/* DiskCraft Official Flagship Website & Web Studio Styles
 * Aesthetic Direction: Apple Pro Anodized Titanium Onyx (#090A0D) & Silk Porcelain (#F4F3EF)
 * Modern Web Guidance Compliant: color-scheme, light-dark(), scroll-driven animations
 */
:root {
  --bg-canvas-light: #F4F3EF;
  --bg-canvas-dark: #08090D;
  --bg-elevated-light: rgba(255, 255, 255, 0.88);
  --bg-elevated-dark: rgba(20, 23, 31, 0.88);
  --bg-card-light: #FFFFFF;
  --bg-card-dark: #12151E;
  --bg-subtle-light: #EAE7DF;
  --bg-subtle-dark: #191D29;

  --text-primary-light: #0B0D13;
  --text-primary-dark: #F6F5F1;
  --text-secondary-light: #3E4556;
  --text-secondary-dark: #A8B1C4;
  --text-muted-light: #5C6478;
  --text-muted-dark: #7E889E;

  --border-hairline-light: rgba(15, 18, 26, 0.14);
  --border-hairline-dark: rgba(245, 242, 235, 0.15);
  --border-specular-light: rgba(15, 18, 26, 0.28);
  --border-specular-dark: rgba(245, 242, 235, 0.34);

  --accent-emerald-light: #047857;
  --accent-emerald-dark: #10B981;
  --accent-sky-light: #0369A1;
  --accent-sky-dark: #38BDF8;
  --accent-amber-light: #B45309;
  --accent-amber-dark: #F59E0B;
  --accent-rose-light: #BE123C;
  --accent-rose-dark: #F43F5E;

  --cta-bg-light: #0B0D13;
  --cta-bg-dark: #F4F2ED;
  --cta-text-light: #F8F7F4;
  --cta-text-dark: #090A0D;

  --scrollbar-track-light: #E8E5DC;
  --scrollbar-track-dark: #11131A;
  --scrollbar-thumb-light: #687082;
  --scrollbar-thumb-dark: #6E778C;

  /* Signature Unified Theme: Anodized Titanium Onyx (#08090D) */
  color-scheme: dark;
  --bg-canvas: var(--bg-canvas-dark);
  --bg-elevated: var(--bg-elevated-dark);
  --bg-card: var(--bg-card-dark);
  --bg-subtle: var(--bg-subtle-dark);
  --text-primary: var(--text-primary-dark);
  --text-secondary: var(--text-secondary-dark);
  --text-muted: var(--text-muted-dark);
  --border-hairline: var(--border-hairline-dark);
  --border-specular: var(--border-specular-dark);
  --accent-emerald: var(--accent-emerald-dark);
  --accent-sky: var(--accent-sky-dark);
  --accent-amber: var(--accent-amber-dark);
  --accent-rose: var(--accent-rose-dark);
  --cta-bg: var(--cta-bg-dark);
  --cta-text: var(--cta-text-dark);
  --scrollbar-track: var(--scrollbar-track-dark);
  --scrollbar-thumb: var(--scrollbar-thumb-dark);

  &:has(> head > meta[name="color-scheme"][content="dark"]) {
    color-scheme: dark;
    --bg-canvas: var(--bg-canvas-dark);
    --bg-elevated: var(--bg-elevated-dark);
    --bg-card: var(--bg-card-dark);
    --bg-subtle: var(--bg-subtle-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-muted: var(--text-muted-dark);
    --border-hairline: var(--border-hairline-dark);
    --border-specular: var(--border-specular-dark);
    --accent-emerald: var(--accent-emerald-dark);
    --accent-sky: var(--accent-sky-dark);
    --accent-amber: var(--accent-amber-dark);
    --accent-rose: var(--accent-rose-dark);
    --cta-bg: var(--cta-bg-dark);
    --cta-text: var(--cta-text-dark);
  }

  &:has(> head > meta[name="color-scheme"][content="light"]) {
    color-scheme: light;
    --bg-canvas: var(--bg-canvas-light);
    --bg-elevated: var(--bg-elevated-light);
    --bg-card: var(--bg-card-light);
    --bg-subtle: var(--bg-subtle-light);
    --text-primary: var(--text-primary-light);
    --text-secondary: var(--text-secondary-light);
    --text-muted: var(--text-muted-light);
    --border-hairline: var(--border-hairline-light);
    --border-specular: var(--border-specular-light);
    --accent-emerald: var(--accent-emerald-light);
    --accent-sky: var(--accent-sky-light);
    --accent-amber: var(--accent-amber-light);
    --accent-rose: var(--accent-rose-light);
    --cta-bg: var(--cta-bg-light);
    --cta-text: var(--cta-text-light);
  }
}
@supports (color: light-dark(white, black)) {
  :root {
    --bg-canvas: light-dark(var(--bg-canvas-light), var(--bg-canvas-dark));
    --bg-elevated: light-dark(var(--bg-elevated-light), var(--bg-elevated-dark));
    --bg-card: light-dark(var(--bg-card-light), var(--bg-card-dark));
    --bg-subtle: light-dark(var(--bg-subtle-light), var(--bg-subtle-dark));
    --text-primary: light-dark(var(--text-primary-light), var(--text-primary-dark));
    --text-secondary: light-dark(var(--text-secondary-light), var(--text-secondary-dark));
    --text-muted: light-dark(var(--text-muted-light), var(--text-muted-dark));
    --border-hairline: light-dark(var(--border-hairline-light), var(--border-hairline-dark));
    --border-specular: light-dark(var(--border-specular-light), var(--border-specular-dark));
    --accent-emerald: light-dark(var(--accent-emerald-light), var(--accent-emerald-dark));
    --accent-sky: light-dark(var(--accent-sky-light), var(--accent-sky-dark));
    --accent-amber: light-dark(var(--accent-amber-light), var(--accent-amber-dark));
    --accent-rose: light-dark(var(--accent-rose-light), var(--accent-rose-dark));
    --cta-bg: light-dark(var(--cta-bg-light), var(--cta-bg-dark));
    --cta-text: light-dark(var(--cta-text-light), var(--cta-text-dark));
    --scrollbar-track: light-dark(var(--scrollbar-track-light), var(--scrollbar-track-dark));
    --scrollbar-thumb: light-dark(var(--scrollbar-thumb-light), var(--scrollbar-thumb-dark));
  }
}

html {
  accent-color: var(--accent-emerald);
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scroll-behavior: smooth;
}

@supports not (scrollbar-color: auto) {
  ::-webkit-scrollbar { width: 10px; height: 10px; }
  ::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 999px; }
  ::-webkit-scrollbar-track { background: var(--scrollbar-track); }
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-font-smoothing: antialiased; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans", "Apple SD Gothic Neo", sans-serif;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.55;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.tabular-nums { font-variant-numeric: tabular-nums; }

.ambient-backdrop {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(ellipse 68% 42% at 50% -6%, rgba(16, 185, 129, 0.14) 0%, transparent 70%),
    radial-gradient(ellipse 52% 38% at 88% 24%, rgba(56, 189, 248, 0.09) 0%, transparent 68%);
}

.container {
  position: relative; z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Sticky Glass Navigation */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg-elevated);
  backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--border-hairline);
}
.nav-inner {
  height: 72px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand-link {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--text-primary);
}
.brand-logo {
  width: 40px; height: 40px; border-radius: 11px;
  border: 1.5px solid var(--border-specular);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.22);
}
.brand-title { font-size: 20px; font-weight: 900; letter-spacing: -0.4px; }
.brand-pill {
  font-size: 11px; font-weight: 800; padding: 3px 9px; border-radius: 999px;
  background: var(--bg-subtle); border: 1px solid var(--border-specular);
  color: var(--text-secondary);
}
.nav-links {
  display: flex; align-items: center; gap: 24px;
}
.nav-links a {
  text-decoration: none; color: var(--text-secondary);
  font-size: 14px; font-weight: 700; transition: color 0.18s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-controls { display: flex; align-items: center; gap: 10px; }

.lang-select, .theme-btn {
  height: 38px; padding: 0 13px; border-radius: 999px;
  background: var(--bg-card); color: var(--text-primary);
  border: 1px solid var(--border-specular);
  font-size: 13px; font-weight: 700; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary {
  height: 40px; padding: 0 18px; border-radius: 999px;
  background: var(--cta-bg); color: var(--cta-text);
  border: 1.5px solid var(--border-specular);
  font-size: 13.5px; font-weight: 800; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-secondary {
  height: 48px; padding: 0 22px; border-radius: 999px;
  background: var(--bg-card); color: var(--text-primary);
  border: 1.5px solid var(--border-specular);
  font-size: 15px; font-weight: 800; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
}
/* Hero Section */
.hero-section { padding: 64px 0 48px; }
.hero-grid {
  display: grid; grid-template-columns: 1.12fr 0.88fr;
  gap: 44px; align-items: center;
}
.eyebrow-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border-specular);
  font-size: 13px; font-weight: 800; color: var(--accent-emerald);
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(36px, 4.6vw, 60px);
  font-weight: 900; letter-spacing: -1.4px; line-height: 1.08;
  margin-bottom: 18px;
}
.hero-sub {
  font-size: 18px; color: var(--text-secondary);
  max-width: 600px; margin-bottom: 26px; font-weight: 500;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 18px; }
.btn-hero { height: 52px; padding: 0 26px; font-size: 16px; }
.dl-grid-3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px;
}
.dl-platform-btn {
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  padding: 13px 16px; border-radius: 16px; text-decoration: none;
  background: var(--bg-card); border: 1.5px solid var(--border-specular);
  color: var(--text-primary); transition: transform 0.2s cubic-bezier(0.22,1,0.36,1), border-color 0.2s, background 0.2s;
}
.dl-platform-btn:hover {
  transform: translateY(-2px); border-color: var(--accent-emerald); background: var(--bg-subtle);
}
.dl-platform-btn.primary-mac {
  background: var(--cta-bg); color: var(--cta-text); border-color: transparent;
}
.dl-platform-btn.primary-mac .dl-sub { color: #3E4556; }
.dl-top { font-size: 15px; font-weight: 900; display: flex; align-items: center; gap: 7px; }
.dl-sub { font-size: 11.5px; font-weight: 700; color: var(--text-secondary); margin-top: 3px; }
.hero-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-top: 1.5px solid var(--border-specular);
  border-radius: 18px; padding: 14px 16px;
}
.metric-val { font-size: 24px; font-weight: 900; color: var(--accent-emerald); }
.metric-lbl { font-size: 12.5px; font-weight: 700; color: var(--text-secondary); margin-top: 2px; }

/* Titanium Card & Studio Workbench */
.titanium-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-hairline);
  border-top: 2px solid var(--border-specular);
  border-radius: 26px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
  padding: 28px;
}
.section-block { padding: 56px 0; scroll-margin-top: 84px; }
.section-head { text-align: center; max-width: 780px; margin: 0 auto 38px; }
.section-title { font-size: clamp(28px, 3.4vw, 42px); font-weight: 900; letter-spacing: -0.9px; margin-bottom: 10px; }
.section-desc { font-size: 16.5px; color: var(--text-secondary); }

/* Interactive Web Edition Workbench */
.studio-tabs {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 26px;
}
.studio-tab {
  padding: 11px 20px; border-radius: 999px;
  background: var(--bg-subtle); color: var(--text-secondary);
  border: 1.5px solid var(--border-hairline);
  font-size: 14px; font-weight: 800; cursor: pointer; transition: all 0.18s;
}
.studio-tab.active {
  background: var(--cta-bg); color: var(--cta-text);
  border-color: var(--border-specular);
}
.workbench-grid {
  display: grid; grid-template-columns: 380px 1fr; gap: 26px; align-items: stretch;
}
.swipe-stage {
  position: relative; min-height: 410px; border-radius: 22px; overflow: hidden;
  border: 2px solid var(--border-specular);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 20px; color: #FFFFFF;
  background-size: cover; background-position: center;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.25s ease;
}
.swipe-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6,8,12,0.55) 0%, rgba(6,8,12,0.15) 45%, rgba(6,8,12,0.92) 100%);
}
.dropzone-box {
  border: 2px dashed var(--accent-emerald);
  border-radius: 20px; padding: 28px 20px; text-align: center;
  background: var(--bg-subtle); cursor: pointer; transition: transform 0.18s;
}
.dropzone-box:hover { transform: scale(1.01); }

.reclaim-row,
.queue-item {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 13px 16px; border-radius: 16px;
  background: var(--bg-subtle); border: 1px solid var(--border-hairline);
  margin-bottom: 10px; cursor: pointer;
  transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.18s, background 0.18s;
}
.queue-item:last-child { margin-bottom: 0; }
.queue-item:hover { border-color: var(--border-specular); transform: translateY(-1px); }
.queue-item.selected {
  background: rgba(16, 185, 129, 0.07);
  border-color: rgba(16, 185, 129, 0.34);
}
.queue-check {
  width: 22px; height: 22px; border-radius: 7px;
  border: 1.5px solid var(--border-specular);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 900; flex-shrink: 0;
  color: #04130D; transition: all 0.15s ease;
}
.queue-item.selected .queue-check {
  background: var(--accent-emerald); border-color: var(--accent-emerald);
}
.queue-meta { flex: 1; min-width: 0; }
.queue-name {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  font-size: 14px; font-weight: 800; color: var(--text-primary); line-height: 1.35;
}
.queue-tag {
  font-size: 10.5px; font-weight: 900; padding: 2px 8px; border-radius: 999px;
  letter-spacing: 0.35px; text-transform: uppercase; white-space: nowrap;
}
.queue-sub {
  font-size: 12px; color: var(--text-secondary); margin-top: 3px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.queue-size {
  font-size: 14.5px; font-weight: 900; color: var(--accent-emerald);
  font-variant-numeric: tabular-nums; white-space: nowrap; flex-shrink: 0;
  text-align: right; min-width: 82px;
}
.reclaim-row.removed { opacity: 0; transform: translateX(40px); height: 0; padding: 0; margin: 0; overflow: hidden; border: 0; }

/* Device Showcase & Pricing */
.bento-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.bento-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.domain-pill {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-radius: 16px;
  background: var(--bg-subtle); border: 1px solid var(--border-specular);
}
.toast-bar {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(calc(100% + 48px));
  opacity: 0; pointer-events: none; visibility: hidden;
  z-index: 200; padding: 14px 24px; border-radius: 999px;
  background: var(--cta-bg); color: var(--cta-text);
  font-size: 14px; font-weight: 800; box-shadow: 0 20px 50px rgba(0,0,0,0.45);
  display: flex; align-items: center; gap: 14px;
  transition: transform 0.3s cubic-bezier(0.22,1,0.36,1), opacity 0.22s ease, visibility 0.22s ease;
}
.toast-bar.visible,
.toast-bar.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1; pointer-events: auto; visibility: visible;
}

/* Scroll-Driven Entry Effects (Modern Web Guidance) */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes reveal-in {
      from { opacity: 0.18; transform: translateY(22px) scale(0.985); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }
    .scroll-reveal {
      animation: reveal-in auto linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 45%;
    }
  }
}

@media (max-width: 960px) {
  .hero-grid, .workbench-grid, .bento-3, .bento-2 { grid-template-columns: 1fr; }
  .workbench-grid > div:first-child { border-right: 0 !important; padding-right: 0 !important; border-bottom: 1px solid var(--border-hairline); padding-bottom: 20px; }
  .queue-sub { white-space: normal; }
  .dl-grid-3 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}