/* ==========================================================================
   DREAM PRINT — Professional Custom 3D Printing Studio
   Root Brand Portal Stylesheet
   Design Ethos: Apple Light Minimalist Design (Clean, Bright, Spacious, Editorial)
   ========================================================================== */

/* --- 1. CSS Reset & Apple Light Design Tokens --- */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-tertiary: #fbfbfd;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.82);
  --bg-input: #ffffff;

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.22);
  --border-accent: rgba(0, 0, 0, 0.4);

  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-muted: #86868b;
  --text-inverse: #ffffff;

  --accent-blue: #0071e3;
  --accent-blue-hover: #0077ed;
  --accent-glow: rgba(0, 113, 227, 0.08);

  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.08);
  --shadow-artwork: 0 24px 64px rgba(0, 0, 0, 0.1);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --radius-pill: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.7s cubic-bezier(0.16, 1, 0.3, 1);

  --header-height: 68px;
  --max-width: 1400px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
}

/* --- 2. Container & Layout Utilities --- */
section[id],
.scroll-act {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.container-wide {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-spacing {
  padding: 120px 0;
  position: relative;
}

@media (max-width: 768px) {
  .section-spacing {
    padding: 80px 0;
  }
  .container {
    padding: 0 20px;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --- 3. Typography & Section Headers --- */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(0, 113, 227, 0.08);
  border: 1px solid rgba(0, 113, 227, 0.18);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2.2rem, 3.6vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 700px;
  line-height: 1.6;
  font-weight: 400;
}

.serif-italic {
  font-family: inherit;
  font-style: italic;
  font-weight: 400;
}

/* --- 4. Buttons & Interactive Links (Apple Minimalist) --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.btn-primary:hover {
  background-color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.btn-secondary {
  background-color: rgba(0, 0, 0, 0.04);
  color: var(--text-primary);
  border: 1px solid rgba(0, 0, 0, 0.12);
}

.btn-secondary:hover {
  background-color: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--accent-blue);
  transition: opacity var(--transition-fast);
}

.link-arrow:hover {
  color: var(--accent-blue-hover);
}

.link-arrow svg {
  transition: transform var(--transition-fast);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

/* --- 5. Global Header & Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth), backdrop-filter var(--transition-smooth), -webkit-backdrop-filter var(--transition-smooth);
  display: flex;
  align-items: center;
}

.site-header.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-logo-icon,
.header-logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(49, 134, 240, 0.6));
  transition: transform var(--transition-fast);
}

.brand-logo:hover .header-logo-img,
.brand-logo:hover .brand-logo-icon {
  transform: scale(1.05);
}

.brand-logo-text,
.brand-name {
  font-family: inherit;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1;
  display: inline-block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

.mobile-nav-cta,
.mobile-menu-backdrop {
  display: none;
}

/* --- 5.1 Dropdown & Aquarium Mega Card --- */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger-wrap {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-dropdown-arrow-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.dropdown-chevron {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-block;
  vertical-align: middle;
}

.nav-dropdown:hover .dropdown-chevron,
.nav-dropdown.is-open .dropdown-chevron {
  transform: rotate(180deg);
  color: var(--accent-blue, #0071e3);
}

/* Dropdown Mega Card Container */
.dropdown-card-aquarium {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(14px);
  width: 760px;
  max-width: 92vw;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 20px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.12), 0 4px 16px rgba(0, 0, 0, 0.04);
  padding: 20px 22px 16px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s;
  z-index: 1050;
  text-align: left;
}

/* Invisible hover bridge to prevent mouse leaving hover area */
.dropdown-card-aquarium::before {
  content: '';
  position: absolute;
  top: -16px;
  left: 0;
  width: 100%;
  height: 20px;
}

.nav-dropdown:hover .dropdown-card-aquarium,
.nav-dropdown.is-open .dropdown-card-aquarium {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(8px);
}

/* 3 Series Columns Grid */
.dropdown-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.dropdown-series-card {
  background: #f8f8fa;
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-series-card:hover {
  background: #ffffff;
  border-color: rgba(0, 113, 227, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 113, 227, 0.09);
}

.dropdown-series-thumb {
  position: relative;
  width: 100%;
  height: 110px;
  overflow: hidden;
  background: #080b11;
}

.dropdown-series-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.dropdown-series-card:hover .dropdown-series-thumb img {
  transform: scale(1.06);
}

.dropdown-series-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(8, 11, 17, 0.72);
  backdrop-filter: blur(6px);
  color: #ffffff;
}

.dropdown-series-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.dropdown-series-title {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-primary, #1d1d1f);
  margin-bottom: 4px;
  transition: color var(--transition-fast);
}

.dropdown-series-card:hover .dropdown-series-title {
  color: var(--accent-blue, #0071e3);
}

.dropdown-series-desc {
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--text-secondary, #6e6e73);
  margin-bottom: 10px;
  flex: 1;
}

.dropdown-series-link {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent-blue, #0071e3);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: gap var(--transition-fast);
}

.dropdown-series-card:hover .dropdown-series-link {
  gap: 6px;
}

/* Dropdown Card Footer Strip */
.dropdown-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  margin-top: 14px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.dropdown-safety-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 10px;
  background: rgba(0, 113, 227, 0.04);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.dropdown-safety-pill:hover {
  background: rgba(0, 113, 227, 0.09);
  transform: translateX(2px);
}

.safety-pill-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.safety-pill-text strong {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary, #1d1d1f);
  display: block;
}

.safety-pill-text span {
  font-size: 0.72rem;
  color: var(--text-secondary, #6e6e73);
  display: block;
}

.dropdown-all-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-blue, #0071e3);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(0, 113, 227, 0.06);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.dropdown-all-link:hover {
  background: var(--accent-blue, #0071e3);
  color: #ffffff;
}

/* Header Actions & Language Switcher */
.header-actions-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  box-sizing: border-box;
}

.lang-switch-btn:hover {
  background: #e8e8ed;
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.lang-switch-btn .lang-opt {
  transition: color var(--transition-fast), font-weight var(--transition-fast);
  line-height: 1;
}

.lang-switch-btn .lang-opt.active {
  color: var(--text-primary);
  font-weight: 600;
}

.lang-switch-btn .lang-divider {
  color: rgba(0, 0, 0, 0.25);
  font-size: 0.75rem;
  line-height: 1;
}

.header-action .btn {
  height: 36px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.84rem;
  box-sizing: border-box;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 4px;
  padding: 0;
  cursor: pointer;
  box-sizing: border-box;
  transition: all var(--transition-fast);
  z-index: 1001;
}

.mobile-toggle:hover {
  background: #e8e8ed;
  border-color: var(--border-hover);
}

.mobile-toggle span {
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background-color: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  display: block;
}

.mobile-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.mobile-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* --- 6. Section 1: Hero Banner (Apple Light Editorial on Fullbleed Video) --- */
.hero-section {
  min-height: 92vh;
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-color: #fbfbfd;
}

.hero-video-bg-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.hero-bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  display: block;
}

.hero-video-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(255, 255, 255, 0.92) 30%,
    rgba(255, 255, 255, 0.6) 55%,
    rgba(255, 255, 255, 0.15) 80%,
    rgba(255, 255, 255, 0.05) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.hero-container-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-editorial-left {
  max-width: 640px;
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 40px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-blue);
}

.hero-title {
  font-size: clamp(2.5rem, 4.2vw, 4.1rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- 7. CINEMATIC SCROLL — ACT 1: THE VOID (第一幕：空) --- */
.act-void {
  padding: 160px 0 120px;
  background-color: #ffffff;
  text-align: center;
}

.act-void-content {
  max-width: 1360px;
  width: 100%;
  margin: 0 auto;
}

.act-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(0, 113, 227, 0.08);
  border: 1px solid rgba(0, 113, 227, 0.18);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}

.act-void-title {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 20px;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.act-void-sub {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 580px;
  margin: 0 auto;
  font-weight: 400;
}

.act-story-prose-block {
  max-width: 680px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* --- 7.1 Inspiration Pillars Grid (Act 1) --- */
.inspiration-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
  text-align: left;
}

.inspiration-pillar-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: all var(--transition-smooth);
}

.inspiration-pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  background: #ffffff;
}

.pillar-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0, 113, 227, 0.08);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.pillar-card-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.35;
}

.pillar-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* --- 7.5 ABOUT DREAM PRINT STUDIO --- */
.act-about-studio {
  padding: 90px 0 100px;
  background-color: var(--bg-tertiary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.about-studio-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 64px 56px;
  box-shadow: var(--shadow-md);
}

.about-studio-header {
  max-width: 960px;
  margin-bottom: 44px;
}

.about-studio-title {
  font-size: clamp(1.9rem, 3.2vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.about-studio-story {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-studio-lead {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.65;
}

.about-studio-text {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

.about-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}

.about-pillar-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: all var(--transition-smooth);
}

.about-pillar-item:hover {
  background: #ffffff;
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.about-pillar-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-blue);
  background: rgba(0, 113, 227, 0.08);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.about-pillar-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.35;
}

.about-pillar-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}


/* --- 8. CINEMATIC SCROLL — ACT 2: IMAGINATION & EMERGENCE (第二幕：想象) --- */
.act-imagination {
  padding: 20px 0 140px;
  background-color: #ffffff;
}

.act-panorama-frame {
  position: relative;
  width: 100%;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
  aspect-ratio: 21 / 9;
  max-height: 580px;
  margin-bottom: 36px;
  border: 1px solid var(--border-subtle);
  background: #f0f0f2;
}

.act-panorama-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  display: block;
}

.act-panorama-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.05) 0%, rgba(0, 0, 0, 0.35) 100%);
  pointer-events: none;
}

.act-panorama-badge {
  position: absolute;
  bottom: 28px;
  left: 28px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: #ffffff;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.panorama-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
}

.evolution-pipeline-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 56px;
}

.evo-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.evo-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}

.evo-dot-active {
  background: var(--accent-blue);
  box-shadow: 0 0 8px var(--accent-blue);
}

.evo-arrow {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.act-imagination-editorial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: flex-start;
  max-width: 1360px;
  width: 100%;
  margin: 0 auto;
}

.act-imagination-headline {
  font-size: clamp(2.2rem, 3.6vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text-primary);
}

.act-imagination-prose {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.act-imagination-prose p {
  margin-bottom: 12px;
}

.prose-contrast {
  color: var(--text-primary);
  font-weight: 600;
}

.prose-highlight {
  color: var(--accent-blue);
  font-weight: 600;
}

/* --- 9. CINEMATIC SCROLL — ACT 3: THE CRAFT (第三幕：制造) --- */
.act-craft {
  background-color: #fafafc;
  padding: 140px 0 150px;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.act-craft-header {
  text-align: center;
  max-width: 960px;
  margin: 0 auto 88px;
}

.act-craft-giant-title {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.act-craft-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.act-craft-editorial-flow {
  display: flex;
  flex-direction: column;
  gap: 100px;
  max-width: 1360px;
  width: 100%;
  margin: 0 auto;
}

.craft-flow-row {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 80px;
  align-items: center;
  width: 100%;
}

.craft-flow-reverse {
  direction: rtl;
}

.craft-flow-reverse .craft-flow-info,
.craft-flow-reverse .craft-flow-visual {
  direction: ltr;
}

.craft-step-num {
  font-size: 2.2rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-muted);
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}

.craft-step-name {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
  text-transform: uppercase;
}

.craft-step-lead {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.craft-step-detail {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.craft-macro-frame {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.06);
  aspect-ratio: 16 / 10;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
}

.craft-macro-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.craft-macro-frame:hover .craft-macro-img {
  transform: scale(1.04);
}

.craft-macro-tag {
  position: absolute;
  bottom: 18px;
  left: 18px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

/* --- SECTION 2: BRAND CAPABILITIES (More Than 3D Printing) --- */
.capabilities-section {
  background-color: var(--bg-secondary);
}

.capabilities-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}

.capabilities-header .section-subtitle {
  margin: 0 auto;
}

/* --- Shared High-Impact Card Headers --- */
.card-top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
  width: 100%;
}

.card-display-num {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-blue);
  letter-spacing: -0.04em;
  line-height: 1;
}

.card-pill-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.capability-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.capability-card:hover {
  border-color: rgba(0, 113, 227, 0.35);
  box-shadow: 0 16px 36px rgba(0, 113, 227, 0.08);
  transform: translateY(-6px);
}

.capability-title {
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.35;
}

.capability-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- SECTION 3: TECHNOLOGY & MATERIALS (The Right Process for Every Idea) --- */
.tech-materials-section {
  background-color: #ffffff;
}

.tech-header {
  margin-bottom: 56px;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.tech-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.tech-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.tech-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.tech-track-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.07);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.tech-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-top: 4px;
  margin-bottom: 12px;
}

.tech-overview {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
}

.tech-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.tech-tag {
  padding: 6px 14px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.tech-tag-blue {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
  color: var(--text-secondary);
}

/* --- SECTION: MATERIALS (Choosing the Right Material) --- */
.materials-section {
  background: var(--bg-secondary);
}

.materials-matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.material-matrix-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.material-matrix-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.mat-card-top {
  margin-bottom: 20px;
}

.mat-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.mat-badge-blue {
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.07);
}

.mat-card-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.mat-card-type {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: block;
}

.mat-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- SECTION: PRINTABILITY (Designed for 3D Printing) --- */
.printability-section {
  background: #ffffff;
}

.printability-header {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 64px;
}

.printability-lead-text {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 16px 0 8px;
}

.printability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.printability-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px 26px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.printability-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.printability-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  margin-bottom: 22px;
}

.printability-card-title {
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.printability-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.printability-close-banner {
  background: linear-gradient(135deg, rgba(0, 113, 227, 0.05) 0%, rgba(0, 113, 227, 0.02) 100%);
  border: 1px solid rgba(0, 113, 227, 0.15);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.close-banner-lead {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.close-banner-sub {
  font-size: 1rem;
  color: var(--accent-blue);
  font-weight: 500;
}

/* --- SECTION: POST PROCESSING (Beyond the Print) --- */
.post-processing-section {
  background: var(--bg-secondary);
}

.post-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}

.post-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.post-step-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: all var(--transition-smooth);
}

.post-step-card:hover {
  border-color: rgba(0, 113, 227, 0.35);
  box-shadow: 0 16px 36px rgba(0, 113, 227, 0.08);
  transform: translateY(-6px);
}

.post-step-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.post-step-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- 10. CINEMATIC SCROLL — ACT 4: FROM DIGITAL TO PHYSICAL (第四幕：从数字到现实) --- */
.act-materialization {
  padding: 140px 0 150px;
  background-color: #ffffff;
}

.act-mat-statement-wrap {
  text-align: center;
  margin-bottom: 64px;
}

.act-mat-giant-headline {
  font-size: clamp(2.8rem, 5.5vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--text-primary);
}

.grand-split-comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 36px;
  align-items: center;
  max-width: 1360px;
  width: 100%;
  margin: 0 auto 64px;
}

.split-image-container {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.07);
  aspect-ratio: 4 / 3;
  border: 1px solid var(--border-subtle);
  background: #f4f4f6;
}

.split-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.split-pill-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #ffffff;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.split-pill-physical {
  background: rgba(0, 113, 227, 0.88);
}

.split-center-bridge {
  display: flex;
  align-items: center;
  justify-content: center;
}

.bridge-circle-arrow {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 113, 227, 0.35);
}

.act-mat-narrative-note {
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

.mat-note-quote {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.mat-note-subquote {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- 11. CINEMATIC SCROLL — ACT 5: SOME IDEAS BECOME WORLDS (第五幕：构筑世界) --- */
.act-worlds {
  padding: 130px 0 140px;
  background-color: #fafafc;
  border-top: 1px solid var(--border-subtle);
}

.act-worlds-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 72px;
}

.act-worlds-title {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.act-worlds-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.editorial-world-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  max-width: 1280px;
  margin: 0 auto;
}

.world-spread-item {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: #000000;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 48px;
  color: #ffffff;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.world-spread-media {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.world-spread-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.world-spread-item:hover .world-spread-img {
  transform: scale(1.05);
}

.world-spread-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.4) 40%, rgba(0, 0, 0, 0.9) 100%);
}

.world-spread-content {
  position: relative;
  z-index: 2;
}

.world-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.75);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.world-name {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 14px;
}

.world-narrative {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.65;
  margin-bottom: 24px;
  max-width: 480px;
}

.world-explore-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  padding-bottom: 4px;
  transition: all var(--transition-fast);
}

.world-explore-link:hover {
  border-color: #ffffff;
  color: #ffffff;
  gap: 12px;
}

/* --- 14. CUSTOM ATELIER WORKFLOW (Your Idea. Your Model.) --- */
.custom-section {
  background: #ffffff;
  padding: 130px 0;
}

.custom-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}

.custom-intro .section-subtitle {
  margin: 0 auto;
}

/* What Can You Send Us? (4 Reference Input Options) */
.what-send-wrap {
  margin-bottom: 64px;
}

.what-send-title {
  text-align: center;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.what-send-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.what-send-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: all var(--transition-smooth);
}

.what-send-card:hover {
  border-color: rgba(0, 113, 227, 0.35);
  box-shadow: 0 16px 36px rgba(0, 113, 227, 0.08);
  transform: translateY(-6px);
}

.send-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.35;
}

.send-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 7-Stage End-to-End Workflow Pipeline */
.pipeline-flow-wrap {
  margin-bottom: 72px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 44px 36px 40px;
}

.pipeline-track-title {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 36px;
}

.pipeline-track-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
}

.pipe-track-col {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 18px 22px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  text-align: left;
}

.pipe-track-col:hover {
  border-color: rgba(0, 113, 227, 0.35);
  box-shadow: 0 12px 28px rgba(0, 113, 227, 0.08);
  transform: translateY(-4px);
}

.pipe-col-header {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.pipe-step-num {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-blue);
  letter-spacing: -0.03em;
  line-height: 1;
}

.pipe-step-bar {
  width: 100%;
  height: 2.5px;
  background: var(--border-subtle);
  border-radius: 2px;
  transition: background-color var(--transition-fast);
}

.pipe-track-col:hover .pipe-step-bar {
  background: var(--accent-blue);
}

.pipe-step-title {
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.35;
  text-align: left;
}

.pipe-step-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
  text-align: left;
}

/* Milestone 07 Accent */
.pipe-track-col-final {
  border-color: rgba(0, 113, 227, 0.4);
  background: linear-gradient(180deg, #ffffff 0%, rgba(0, 113, 227, 0.03) 100%);
  box-shadow: 0 4px 16px rgba(0, 113, 227, 0.08);
}

.pipe-step-num-final {
  color: var(--accent-blue);
}

.pipe-step-bar-final {
  background: var(--accent-blue);
  box-shadow: 0 0 8px rgba(0, 113, 227, 0.4);
}

/* Categories Grid */
.custom-categories-title {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.custom-categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.category-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 24px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.category-pill:hover {
  border-color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.custom-action-center {
  text-align: center;
}

/* --- 15. PROFESSIONAL KNOWLEDGE & FAQ (2-Column High-Hierarchy Grid) --- */
.faq-knowledge-section {
  background: #ffffff;
  border-top: 1px solid var(--border-subtle);
}

.faq-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}

.faq-editorial-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.faq-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.faq-card:hover {
  border-color: rgba(0, 113, 227, 0.35);
  box-shadow: 0 16px 36px rgba(0, 113, 227, 0.08);
  transform: translateY(-6px);
}

.faq-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.faq-card-num {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-blue);
  letter-spacing: -0.04em;
  line-height: 1;
}

.faq-card-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.faq-question {
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 14px;
}

.faq-answer p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- 11. Section 6: Professional Capabilities (Built Around Your Project) --- */
#capabilities-detail {
  background-color: var(--bg-secondary);
}

.built-header {
  margin-bottom: 56px;
}

.built-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.built-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.built-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.built-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.built-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- 12. Section 7: Brand Statement (Apple Light Editorial Manifesto) --- */
.statement-section {
  padding: 140px 0 130px;
  text-align: center;
  position: relative;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}

.statement-quote-box {
  max-width: 920px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.statement-emblem {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
}

.statement-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
}

.statement-emblem-text {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-blue);
}

.statement-quote {
  line-height: 1.35;
  margin-bottom: 0;
}

.statement-line-whisper {
  display: block;
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text-secondary);
}

.statement-line-radiant {
  display: block;
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-top: 14px;
}

.statement-divider {
  width: 50px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
  margin: 36px auto 24px;
}

.statement-brand-mark {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.statement-tagline {
  font-size: 1.12rem;
  font-style: italic;
  color: var(--text-secondary);
}

/* --- 13. Section 8: Direct Contact Hub & Project Brief Form (Dual Column Atelier Hub) --- */
.inquiry-form-section {
  padding: 140px 0 160px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  position: relative;
}

.inquiry-hub-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 36px;
  align-items: stretch;
}

/* Left Side: Direct Channels & Atelier Guarantees */
.inquiry-direct-side {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
  position: relative;
}

.hub-header {
  margin-bottom: 32px;
}

.hub-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(0, 113, 227, 0.08);
  border: 1px solid rgba(0, 113, 227, 0.18);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.hub-title {
  font-size: clamp(1.6rem, 2.2vw, 2.1rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 14px;
}

.hub-subtitle {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Channel Cards List */
.hub-channels-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}

.hub-channel-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
}

.hub-channel-card:hover {
  background: #ffffff;
  border-color: rgba(0, 113, 227, 0.4);
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(0, 113, 227, 0.08);
}

.hub-channel-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hub-channel-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(0, 113, 227, 0.08);
  border: 1px solid rgba(0, 113, 227, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.hub-channel-card:hover .hub-channel-icon {
  background: var(--accent-blue);
  color: #ffffff;
}

.hub-channel-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hub-channel-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.hub-channel-val {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.hub-channel-badge {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: #ffffff;
  color: var(--accent-blue);
  border: 1px solid rgba(0, 113, 227, 0.2);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.hub-channel-card:hover .hub-channel-badge {
  background: rgba(0, 113, 227, 0.12);
  border-color: var(--accent-blue);
}

.badge-copied {
  background: rgba(34, 197, 94, 0.15) !important;
  border-color: rgba(34, 197, 94, 0.4) !important;
  color: #15803d !important;
}

/* Trust Commitment List */
.hub-trust-block {
  margin-top: auto;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hub-trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.hub-trust-icon {
  width: 18px;
  height: 18px;
  color: var(--accent-blue);
  flex-shrink: 0;
}

/* Right Side: Form Card */
.inquiry-form-side {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.form-header {
  margin-bottom: 28px;
}

.form-title {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.form-subtitle {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.form-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.92rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 96px;
}

.form-submit-btn {
  width: 100%;
  padding: 16px 28px;
  margin-top: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.form-bottom-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 16px;
}

/* --- 14. Shared Universal Footer --- */
.site-footer {
  padding: 60px 0 36px 0;
  border-top: 1px solid var(--border-subtle);
  background: #ffffff;
  position: relative;
  z-index: 100;
}

.footer-minimal-wrap {
  display: grid;
  grid-template-columns: 1.5fr 2fr 1fr;
  gap: 40px;
  align-items: start;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-minimal-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-minimal-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 320px;
}

.footer-minimal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
  align-items: center;
}

.footer-minimal-nav a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-minimal-nav a:hover {
  color: var(--text-primary);
}

/* Footer Dropup Trigger & Card */
.footer-dropup {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.footer-dropup-trigger-wrap {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.footer-dropup-trigger {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.footer-dropup-arrow-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-dropup-chevron {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-block;
  vertical-align: middle;
}

.footer-dropup:hover .footer-dropup-chevron,
.footer-dropup.is-open .footer-dropup-chevron {
  transform: rotate(180deg);
  color: var(--accent-blue, #0071e3);
}

.footer-dropup:hover .footer-dropup-trigger,
.footer-dropup.is-open .footer-dropup-trigger {
  color: var(--text-primary);
}

/* Footer Dropup Mega Card (Smoothly floats UP) */
.dropup-card-aquarium {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-14px);
  width: 760px;
  max-width: 92vw;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 20px;
  box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.12), 0 -4px 16px rgba(0, 0, 0, 0.04);
  padding: 20px 22px 16px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s;
  z-index: 1050;
  text-align: left;
}

/* Invisible hover bridge downward to trigger */
.dropup-card-aquarium::before {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 0;
  width: 100%;
  height: 20px;
}

.footer-dropup:hover .dropup-card-aquarium,
.footer-dropup.is-open .dropup-card-aquarium {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(-8px);
}

.footer-minimal-social {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.footer-social-link:hover {
  background: #ffffff;
  color: var(--text-primary);
  border-color: var(--accent-blue);
}

.footer-minimal-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.footer-back-top {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-back-top:hover {
  color: var(--text-primary);
}

/* --- 15. Shared Global Modals (WeChat QR Popup) --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-box {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  max-width: 400px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.96);
  transition: all var(--transition-smooth);
  text-align: center;
}

.modal-overlay.active .modal-box {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.wechat-modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.wechat-modal-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.qr-code-wrapper {
  width: 200px;
  height: 200px;
  margin: 0 auto 16px;
  padding: 10px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.wechat-qr-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.wechat-id-display {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-secondary);
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  margin-bottom: 8px;
}

.wechat-id-label {
  color: var(--text-muted);
}

.wechat-id-val {
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-link {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
}

/* ==========================================================================
   16. MASTER RESPONSIVE BREAKPOINTS (Tablet, Mobile & Small Screens)
   ========================================================================== */

/* --- Medium Screens & Tablets (max-width: 1024px) --- */
@media (max-width: 1024px) {
  .container,
  .container-wide {
    padding: 0 24px;
  }
  .section-spacing {
    padding: 80px 0;
  }
  .act-imagination-editorial {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .editorial-world-features {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .craft-flow-row,
  .craft-flow-reverse {
    grid-template-columns: 1fr;
    gap: 28px;
    direction: ltr !important;
  }
  .craft-flow-info {
    max-width: 100%;
  }
  .grand-split-comparison {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .split-center-bridge {
    transform: rotate(90deg);
    margin: -6px auto;
  }
  .about-pillars-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px;
  }
  .inspiration-pillars-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 18px;
  }
  .materials-matrix-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .printability-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .post-steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .what-send-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .pipeline-track-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .pipeline-flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .built-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .faq-editorial-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .inquiry-hub-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-minimal-wrap {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* --- Mobile Phones & Handheld Devices (max-width: 768px) --- */
@media (max-width: 768px) {
  /* Layout & Spacing */
  :root {
    --header-height: 60px;
  }
  
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
  }

  .container,
  .container-wide {
    padding: 0 18px !important;
  }

  .section-spacing {
    padding: 60px 0 !important;
  }

  .section-eyebrow {
    font-size: 0.72rem;
    padding: 5px 12px;
    margin-bottom: 14px;
  }

  .section-title {
    font-size: clamp(1.75rem, 6.5vw, 2.3rem);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 12px;
  }

  .section-subtitle {
    font-size: 0.98rem;
    line-height: 1.6;
  }

  /* Header & Mobile Dropdown Navigation */
  .site-header {
    height: var(--header-height);
  }

  .header-container {
    padding: 0 16px;
  }

  .brand-logo-text {
    font-size: 1.05rem;
  }

  /* Backdrop blur and dim overlay */
  .mobile-menu-backdrop {
    display: block;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100vw;
    height: calc(100vh - var(--header-height));
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s ease;
    z-index: 990;
  }

  .mobile-menu-backdrop.active,
  body.menu-open .mobile-menu-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  body.menu-open {
    overflow: hidden !important;
  }

  /* Nav Menu Drawer */
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100% !important;
    max-height: calc(100vh - var(--header-height) - 16px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: #ffffff !important;
    border-radius: 0 0 24px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 16px 16px 24px !important;
    gap: 10px !important;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.16);
    z-index: 999;
    list-style: none !important;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu > li {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
  }

  /* Unified full-width touchable card buttons for all top-level items */
  .nav-menu .nav-link {
    font-size: 1rem;
    font-weight: 500;
    padding: 13px 16px;
    border-radius: 12px;
    width: 100% !important;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    color: #1d1d1f;
    background: #fbfbfd;
    border: 1px solid rgba(0, 0, 0, 0.05);
    text-decoration: none !important;
    text-align: left;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
    box-sizing: border-box;
  }

  .nav-menu .nav-link:hover,
  .nav-menu .nav-link:active {
    background: #f2f3f5;
    color: var(--accent-blue);
  }

  .nav-menu .nav-link.active {
    background: rgba(0, 113, 227, 0.08);
    color: var(--accent-blue);
    font-weight: 600;
    border-color: rgba(0, 113, 227, 0.22);
  }

  /* Mobile Dropdown Row & Accordion */
  .nav-dropdown {
    width: 100% !important;
  }

  .nav-dropdown-trigger-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100% !important;
    border-radius: 12px;
    background: #fbfbfd;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: background 0.18s ease, border-color 0.18s ease;
    overflow: hidden;
    box-sizing: border-box;
  }

  .nav-dropdown.is-open .nav-dropdown-trigger-wrap {
    background: #f0f4f9;
    border-color: rgba(0, 113, 227, 0.25);
  }

  .nav-dropdown-trigger-wrap .nav-dropdown-trigger {
    width: auto !important;
    flex: 1 1 auto !important;
    min-width: 0 !important;
    background: transparent !important;
    border: none !important;
    padding: 13px 16px !important;
    color: #1d1d1f;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none !important;
    text-align: left;
    cursor: pointer;
  }

  .nav-dropdown.is-open .nav-dropdown-trigger {
    color: var(--accent-blue);
    font-weight: 600;
  }

  .nav-dropdown-arrow-btn {
    width: 44px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    padding: 0 12px 0 0;
    flex-shrink: 0;
  }

  .dropdown-chevron {
    transition: transform 0.25s ease, stroke 0.2s ease;
  }

  .nav-dropdown.is-open .dropdown-chevron,
  .footer-dropup.is-open .footer-dropup-chevron {
    transform: rotate(180deg);
    stroke: var(--accent-blue);
  }

  .footer-dropup {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-dropup.is-open {
    width: 100%;
    flex-basis: 100%;
  }

  .footer-dropup-trigger-wrap {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    width: auto;
  }

  .dropdown-card-aquarium,
  .dropup-card-aquarium {
    position: static;
    transform: none !important;
    width: 100% !important;
    max-width: 100% !important;
    background: #f7f8fa;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 14px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.02);
    padding: 12px !important;
    margin-top: 8px;
    display: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-dropdown.is-open .dropdown-card-aquarium,
  .footer-dropup.is-open .dropup-card-aquarium {
    display: block;
  }

  .dropdown-card-aquarium::before,
  .dropup-card-aquarium::before {
    display: none;
  }

  /* Mobile Contact CTA Button */
  .mobile-nav-cta {
    display: block !important;
    width: 100% !important;
    margin-top: 6px !important;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
  }

  .mobile-menu-contact-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 100% !important;
    height: 46px;
    border-radius: 23px;
    font-size: 0.98rem;
    font-weight: 600;
    background: var(--accent-blue);
    color: #ffffff !important;
    text-decoration: none !important;
    box-shadow: 0 4px 14px rgba(0, 113, 227, 0.28);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
  }

  .mobile-menu-contact-btn:hover,
  .mobile-menu-contact-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(0, 113, 227, 0.38);
  }

  .dropdown-grid-3col {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 0;
  }

  .dropdown-series-card {
    flex-direction: row;
    align-items: center;
    padding: 8px 10px;
    gap: 12px;
    background: #ffffff;
    border-radius: 10px;
  }

  .dropdown-series-card:hover {
    transform: none;
  }

  .dropdown-series-thumb {
    width: 64px;
    height: 52px;
    min-width: 64px;
    border-radius: 8px;
  }

  .dropdown-series-badge {
    display: none;
  }

  .dropdown-series-body {
    padding: 0;
  }

  .dropdown-series-title {
    font-size: 0.9rem;
    margin-bottom: 2px;
  }

  .dropdown-series-desc {
    font-size: 0.72rem;
    margin-bottom: 0;
    line-height: 1.3;
  }

  .dropdown-series-link {
    display: none;
  }

  .dropdown-card-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding-top: 10px;
    margin-top: 10px;
  }

  .dropdown-safety-pill {
    width: 100%;
    padding: 8px 10px;
    background: rgba(0, 113, 227, 0.06);
  }

  .dropdown-all-link {
    width: 100%;
    text-align: center;
    padding: 8px;
  }

  .header-actions-group {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
  }

  .header-action {
    display: none !important;
  }

  .lang-switch-btn,
  .lang-switch {
    height: 36px !important;
    padding: 0 12px !important;
    font-size: 0.78rem !important;
    border-radius: var(--radius-pill) !important;
    box-sizing: border-box !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-subtle) !important;
  }

  .mobile-toggle {
    display: flex !important;
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    border-radius: 10px !important;
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-subtle) !important;
    padding: 0 !important;
    justify-content: center !important;
    align-items: center !important;
    flex-direction: column !important;
    gap: 4px !important;
    box-sizing: border-box !important;
    cursor: pointer;
    z-index: 1001;
  }

  .mobile-toggle span {
    width: 16px !important;
    height: 2px !important;
    border-radius: 1px !important;
    background-color: var(--text-primary) !important;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .mobile-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg) !important;
  }
  .mobile-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0 !important;
  }
  .mobile-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg) !important;
  }

  /* Hero Section */
  .hero-section {
    min-height: auto;
    padding-top: calc(var(--header-height) + 24px);
    padding-bottom: 50px;
  }

  .hero-video-scrim {
    background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.96) 0%,
      rgba(255, 255, 255, 0.90) 55%,
      rgba(255, 255, 255, 0.45) 100%
    );
  }

  .hero-editorial-left {
    max-width: 100%;
    padding: 10px 0;
  }

  .hero-title {
    font-size: clamp(2.0rem, 7.5vw, 2.6rem);
    letter-spacing: -0.025em;
    line-height: 1.15;
    margin-bottom: 14px;
  }

  .hero-subtitle {
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 24px;
  }

  .hero-actions {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
    font-size: 0.94rem;
  }

  /* Act 1: The Origin */
  .act-void {
    padding: 60px 0 50px !important;
  }

  .act-void-title {
    font-size: clamp(1.7rem, 6vw, 2.2rem);
    letter-spacing: -0.02em;
  }

  .act-story-prose-block {
    padding: 22px 18px;
    border-radius: 16px;
    font-size: 0.96rem;
    line-height: 1.7;
    margin: 28px 0 36px;
  }

  .inspiration-pillars-grid {
    grid-template-columns: 1fr !important;
    margin-top: 28px !important;
    gap: 14px !important;
  }

  .inspiration-pillar-card {
    padding: 24px 20px !important;
    border-radius: 18px !important;
  }

  /* About Studio Card */
  .act-about-studio {
    padding: 60px 0 !important;
  }

  .about-studio-card {
    padding: 28px 18px !important;
    border-radius: 20px !important;
  }

  .about-studio-title {
    font-size: clamp(1.45rem, 5.5vw, 2.0rem) !important;
    line-height: 1.25;
    margin-bottom: 16px;
  }

  .about-studio-lead {
    font-size: 1.0rem;
    line-height: 1.6;
  }

  .about-studio-text {
    font-size: 0.92rem;
    line-height: 1.7;
  }

  .about-pillars-grid {
    grid-template-columns: 1fr !important;
    margin-top: 24px !important;
    padding-top: 24px !important;
    gap: 12px !important;
  }

  .about-pillar-item {
    padding: 18px 16px !important;
    border-radius: 14px !important;
  }

  /* Act 2: Form & Transformation */
  .act-imagination {
    padding: 0 0 60px !important;
  }

  .act-panorama-frame {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    aspect-ratio: 16 / 9 !important;
    border-radius: 18px !important;
  }

  .evolution-pipeline-strip {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    justify-content: center !important;
    margin-bottom: 32px !important;
    width: 100% !important;
  }

  .evo-step {
    padding: 6px 14px !important;
    font-size: 0.72rem !important;
  }

  .act-imagination-editorial {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
    width: 100% !important;
  }

  .act-imagination-headline {
    font-size: clamp(1.6rem, 5.5vw, 2.0rem) !important;
    line-height: 1.25;
  }

  .act-imagination-prose {
    font-size: 0.95rem !important;
    line-height: 1.65;
  }

  .act-headline {
    font-size: clamp(1.7rem, 6vw, 2.2rem);
    line-height: 1.2;
    margin-bottom: 14px;
  }

  .editorial-step-card {
    padding: 18px 16px;
    border-radius: 14px;
  }

  /* The Craft Flow */
  .act-craft {
    padding: 60px 0 70px !important;
  }

  .act-craft-header {
    margin-bottom: 40px !important;
  }

  .craft-flow-row,
  .craft-flow-reverse {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
    margin-bottom: 28px !important;
    direction: ltr !important;
    width: 100% !important;
  }

  .craft-flow-info {
    width: 100% !important;
  }

  .craft-flow-visual {
    width: 100% !important;
  }

  .craft-macro-frame {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    aspect-ratio: 16 / 10 !important;
    border-radius: 18px !important;
  }

  /* Act 3: Materialization Split Comparison */
  .act-materialization {
    padding: 60px 0 70px !important;
  }

  .act-mat-statement-wrap {
    margin-bottom: 32px !important;
  }

  .act-mat-giant-headline {
    font-size: clamp(2.0rem, 7.5vw, 2.8rem) !important;
    line-height: 1.15;
  }

  .grand-split-comparison {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    gap: 16px !important;
    align-items: stretch !important;
    margin: 0 auto 36px !important;
    position: relative;
  }

  .split-side {
    width: 100% !important;
    max-width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .split-image-container {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    aspect-ratio: 4 / 3 !important;
    border-radius: 18px !important;
  }

  .split-center-bridge {
    transform: rotate(90deg) !important;
    margin: -6px auto !important;
    z-index: 10;
    width: 44px !important;
    height: 44px !important;
    align-self: center !important;
  }

  .act-mat-narrative-note {
    padding: 20px 16px !important;
    margin-top: 24px !important;
    text-align: center;
    width: 100% !important;
  }

  .mat-note-quote,
  .mat-note-subquote {
    font-size: 1.05rem !important;
    line-height: 1.5;
  }

  /* Capabilities / Digital Workflow */
  .capabilities-section {
    padding: 60px 0 !important;
  }

  .capabilities-header {
    margin-bottom: 36px !important;
  }

  .capabilities-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .capability-card {
    padding: 24px 18px !important;
    border-radius: 18px !important;
  }

  /* Printing Technologies */
  .technologies-section {
    padding: 60px 0 !important;
  }

  .tech-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }

  .tech-card {
    padding: 24px 18px !important;
    border-radius: 20px !important;
  }

  .tech-spec-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 10px !important;
  }

  .tech-spec-item {
    padding: 12px 14px !important;
    border-radius: 12px !important;
  }

  /* Material Selection */
  .materials-section {
    padding: 60px 0 !important;
  }

  .materials-matrix-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .material-matrix-card {
    padding: 22px 18px !important;
    border-radius: 18px !important;
  }

  /* Printability Engineering */
  .printability-section {
    padding: 60px 0 !important;
  }

  .printability-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .printability-card {
    padding: 22px 18px !important;
    border-radius: 18px !important;
  }

  .printability-close-banner {
    padding: 24px 18px !important;
    border-radius: 18px !important;
    margin-top: 28px !important;
  }

  /* Post Processing */
  .post-processing-section {
    padding: 60px 0 !important;
  }

  .post-steps-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .post-step-card {
    padding: 22px 18px !important;
    border-radius: 18px !important;
  }

  /* Collections Feature Spreads */
  .act-worlds {
    padding: 60px 0 70px !important;
  }

  .editorial-world-features {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .world-spread-item {
    min-height: 380px !important;
    padding: 28px 18px !important;
    border-radius: 20px !important;
  }

  .world-name {
    font-size: clamp(1.4rem, 5vw, 1.8rem) !important;
    margin-bottom: 12px;
  }

  .world-narrative {
    font-size: 0.92rem !important;
    line-height: 1.6;
    margin-bottom: 20px;
  }

  /* Built Around Your Project */
  .built-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .built-card {
    padding: 22px 18px !important;
    border-radius: 18px !important;
  }

  .statement-quote-box {
    padding: 22px 18px !important;
    font-size: 1.05rem !important;
    border-radius: 18px !important;
    margin-top: 24px !important;
  }

  /* Custom Pipeline & Categories */
  .what-send-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .what-send-card {
    padding: 22px 18px !important;
    border-radius: 18px !important;
  }

  .pipeline-flow-wrap {
    padding: 20px 14px !important;
    border-radius: 18px !important;
  }

  .pipeline-track-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .pipe-track-col {
    padding: 16px 14px !important;
    border-radius: 14px !important;
  }

  .custom-categories-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
  }

  .category-pill {
    padding: 10px 12px !important;
    font-size: 0.84rem !important;
    border-radius: var(--radius-pill);
  }

  .custom-action-center {
    margin-top: 32px !important;
  }

  /* FAQ Section */
  .faq-editorial-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .faq-card {
    padding: 22px 18px !important;
    border-radius: 18px !important;
  }

  .faq-item {
    padding: 20px 16px !important;
    border-radius: 16px !important;
  }

  .faq-question-btn {
    font-size: 1.0rem !important;
    gap: 12px;
  }

  /* Bespoke Inquiry & Direct Maker Hub */
  .inquiry-hub-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .inquiry-direct-side,
  .inquiry-form-side {
    width: 100% !important;
    max-width: 100% !important;
    padding: 24px 18px !important;
    box-sizing: border-box !important;
    border-radius: 20px !important;
  }

  .hub-header,
  .form-header {
    width: 100% !important;
    margin-bottom: 22px !important;
  }

  .hub-title,
  .form-title {
    font-size: clamp(1.4rem, 5.5vw, 1.85rem) !important;
    line-height: 1.25 !important;
  }

  .hub-subtitle,
  .form-subtitle {
    font-size: 0.90rem !important;
    line-height: 1.6 !important;
  }

  .hub-channels-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    width: 100% !important;
    margin-bottom: 24px !important;
  }

  .hub-channel-card {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 14px 14px !important;
    gap: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    border-radius: 14px !important;
  }

  .hub-channel-left {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    min-width: 0 !important;
    flex: 1 1 auto !important;
  }

  .hub-channel-icon {
    width: 38px !important;
    height: 38px !important;
    min-width: 38px !important;
    border-radius: 10px !important;
  }

  .hub-channel-info {
    min-width: 0 !important;
    flex: 1 1 auto !important;
  }

  .hub-channel-name {
    font-size: 0.88rem !important;
    line-height: 1.25 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .hub-channel-val {
    font-size: 0.76rem !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .hub-channel-badge {
    font-size: 0.70rem !important;
    padding: 4px 10px !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }

  .hub-trust-block {
    padding-top: 20px !important;
    gap: 10px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .hub-trust-item {
    font-size: 0.80rem !important;
    line-height: 1.4 !important;
  }

  .form-grid-2col {
    display: flex !important;
    flex-direction: column !important;
    gap: 0 !important;
    width: 100% !important;
  }

  .form-group {
    margin-bottom: 14px !important;
    width: 100% !important;
  }

  .form-label {
    font-size: 0.82rem !important;
    margin-bottom: 6px !important;
  }

  .form-input,
  .form-select,
  .form-textarea {
    font-size: 0.90rem !important;
    padding: 12px 14px !important;
    border-radius: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .form-submit-btn,
  .btn-form-submit {
    width: 100% !important;
    padding: 14px 20px !important;
    font-size: 0.96rem !important;
    box-sizing: border-box !important;
    border-radius: var(--radius-pill) !important;
  }

  /* Footer */
  .footer-minimal-wrap {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  .footer-minimal-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .footer-minimal-social {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .footer-social-link {
    padding: 8px 14px;
    font-size: 0.85rem;
  }

  .footer-minimal-bottom {
    flex-direction: column !important;
    gap: 10px !important;
    text-align: center;
    padding-top: 20px;
  }

  /* Modals */
  .modal-box {
    max-width: 92vw !important;
    padding: 28px 18px !important;
    border-radius: 20px !important;
  }

  .qr-code-wrapper {
    width: 160px !important;
    height: 160px !important;
  }
}

/* --- Small Mobile Phones (max-width: 480px) --- */
@media (max-width: 480px) {
  .container,
  .container-wide {
    padding: 0 16px !important;
  }

  .section-spacing {
    padding: 48px 0 !important;
  }

  .hero-title {
    font-size: clamp(1.85rem, 8vw, 2.2rem);
  }

  .tech-spec-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .custom-categories-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .hub-channel-card {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 10px !important;
    padding: 14px 14px !important;
  }

  .hub-channel-badge {
    align-self: flex-start !important;
    margin-left: 48px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .apple-reveal {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }
  #apple-scroll-progress {
    display: none !important;
  }
}