/* ============================================================
   SHOWCASE — CINEMATIC DARK GALLERY
   Highway 1 Digital · 10 Variants Collection
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500&display=swap');

/* --- TOKENS --- */
:root {
  --bg: #08080a;
  --bg-card: #0f0f12;
  --bg-card-hover: #141418;
  --bg-surface: #111115;
  --bg-elevated: #1a1a1f;

  --white: #f0f0f2;
  --white-bright: #fafafa;
  --white-dim: rgba(240, 240, 242, 0.55);
  --white-muted: rgba(240, 240, 242, 0.35);
  --white-ghost: rgba(240, 240, 242, 0.08);

  --accent: #c8b4ff;
  --accent-bright: #a78bfa;
  --accent-dim: rgba(167, 139, 250, 0.12);
  --accent-glow: rgba(167, 139, 250, 0.06);

  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  --max-w: 1360px;
  --gap: clamp(1.5rem, 4vw, 3rem);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --shadow-card: 0 1px 3px rgba(0,0,0,0.3), 0 4px 12px rgba(0,0,0,0.2);
  --shadow-card-hover: 0 8px 30px rgba(0,0,0,0.5), 0 2px 8px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 40px var(--accent-glow);
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* --- STAGGERED FADE-IN ANIMATION --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
}

/* Animated gradient orbs */
.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.07) 0%, transparent 65%);
  pointer-events: none;
  animation: pulseGlow 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(244, 114, 182, 0.05) 0%, transparent 65%);
  pointer-events: none;
  animation: pulseGlow 10s ease-in-out infinite 2s;
}

/* Subtle grid pattern overlay */
.hero .container {
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 0.5rem 1.2rem;
  border-radius: 100px;
  margin-bottom: 2.5rem;
  animation: fadeIn 0.8s var(--ease-out) both;
  background: var(--accent-dim);
}

.hero__title {
  font-size: clamp(3.5rem, 8vw, 7.5rem);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin-bottom: 1.75rem;
  animation: fadeInUp 0.8s var(--ease-out) 0.15s both;
}

.hero__accent {
  background: linear-gradient(135deg, #c8b4ff 0%, #f472b6 40%, #fb923c 70%, #c8b4ff 100%);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease-in-out infinite;
}

.hero__sub {
  max-width: 600px;
  font-size: 1.125rem;
  color: var(--white-dim);
  line-height: 1.75;
  margin-bottom: 2.5rem;
  font-weight: 300;
  animation: fadeInUp 0.8s var(--ease-out) 0.3s both;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  animation: fadeInUp 0.8s var(--ease-out) 0.45s both;
}

.meta-chip {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--white-dim);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: border-color 0.3s, color 0.3s;
}

.meta-chip:hover {
  border-color: var(--accent-dim);
  color: var(--white);
}

/* Decorative line under hero */
.hero-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border-hover) 20%, var(--accent-dim) 50%, var(--border-hover) 80%, transparent 100%);
}

/* ============================================================
   SECTION SHARED
   ============================================================ */
.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--white-muted);
  font-weight: 300;
  margin-bottom: 3rem;
  max-width: 500px;
}

/* ============================================================
   WHY SECTION
   ============================================================ */
.why {
  padding: clamp(5rem, 8vw, 8rem) 0;
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.why__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: border-color 0.4s var(--ease-out), transform 0.4s var(--ease-out), background 0.4s;
  position: relative;
  overflow: hidden;
}

.why__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.why__card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

.why__card:hover::before { opacity: 1; }

.why__number {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent-bright);
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
}

.why__card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.why__card p {
  color: var(--white-dim);
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.7;
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.filter-bar {
  padding: 0 0 2rem;
}

.filter-bar__inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-bar__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-muted);
  margin-right: 0.5rem;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  padding: 0.45rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--white-dim);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  white-space: nowrap;
}

.filter-btn:hover {
  border-color: var(--border-hover);
  color: var(--white);
  background: var(--bg-elevated);
}

.filter-btn.active {
  border-color: var(--accent-bright);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ============================================================
   VARIANT CARDS — VISUAL GALLERY
   ============================================================ */
.variants {
  padding: clamp(5rem, 8vw, 8rem) 0;
  border-top: 1px solid var(--border);
}

.variants__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 1.75rem;
}

/* --- Card Container --- */
.variant-card {
  --card-accent: var(--accent-bright);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: var(--white);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition:
    border-color 0.4s var(--ease-out),
    transform 0.4s var(--ease-out),
    box-shadow 0.4s var(--ease-out);
  animation: fadeInUp 0.6s var(--ease-out) both;
  will-change: transform;
}

/* Staggered animation delays */
.variant-card:nth-child(1) { animation-delay: 0.05s; }
.variant-card:nth-child(2) { animation-delay: 0.10s; }
.variant-card:nth-child(3) { animation-delay: 0.15s; }
.variant-card:nth-child(4) { animation-delay: 0.20s; }
.variant-card:nth-child(5) { animation-delay: 0.25s; }
.variant-card:nth-child(6) { animation-delay: 0.30s; }
.variant-card:nth-child(7) { animation-delay: 0.35s; }
.variant-card:nth-child(8) { animation-delay: 0.40s; }
.variant-card:nth-child(9) { animation-delay: 0.45s; }
.variant-card:nth-child(10) { animation-delay: 0.50s; }

.variant-card:hover {
  border-color: var(--card-accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover), 0 0 0 1px var(--card-accent);
}

/* --- Screenshot Thumbnail --- */
.variant-card__thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg);
}

.variant-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.6s var(--ease-out);
  will-change: transform;
}

.variant-card:hover .variant-card__thumb img {
  transform: scale(1.04);
}

/* Gradient overlay on image bottom */
.variant-card__thumb::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to top, var(--bg-card) 0%, transparent 100%);
  pointer-events: none;
  z-index: 1;
}

/* Hover overlay with CTA */
.variant-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 10, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.35s var(--ease-out);
  z-index: 2;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.variant-card:hover .variant-card__overlay {
  opacity: 1;
}

.variant-card__overlay-cta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-bright);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 0.65rem 1.6rem;
  border-radius: 100px;
  background: rgba(255,255,255,0.08);
  transition: all 0.3s var(--ease-out);
  transform: translateY(8px);
}

.variant-card:hover .variant-card__overlay-cta {
  transform: translateY(0);
}

.variant-card__overlay-cta:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.5);
}

/* Variant number badge on screenshot */
.variant-card__badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--white-bright);
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.1);
}

/* --- Card Body --- */
.variant-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

/* Stack pill */
.variant-card__stack {
  display: inline-flex;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--card-accent);
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--accent-dim);
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  transition: background 0.3s;
}

.variant-card:hover .variant-card__stack {
  background: var(--accent-dim);
}

.variant-card__title {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.variant-card__desc {
  font-size: 0.825rem;
  color: var(--white-dim);
  line-height: 1.65;
  font-weight: 300;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.variant-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding-top: 0.25rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--white-ghost);
  color: var(--white-dim);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: border-color 0.3s;
}

.variant-card:hover .tag {
  border-color: var(--border);
}

/* Bottom accent line */
.variant-card__accent-line {
  height: 2px;
  background: linear-gradient(90deg, var(--card-accent), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}

.variant-card:hover .variant-card__accent-line {
  opacity: 1;
}

/* ============================================================
   THEME GROUPING LABELS
   ============================================================ */
.theme-group-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white-muted);
  padding: 2.5rem 0 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.75rem;
  grid-column: 1 / -1;
}

.theme-group-label:first-child {
  padding-top: 0;
}

.theme-group-label span {
  color: var(--accent);
}

/* ============================================================
   COMPARISON TABLE
   ============================================================ */
.comparison {
  padding: clamp(5rem, 8vw, 8rem) 0;
  border-top: 1px solid var(--border);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  scrollbar-width: thin;
  scrollbar-color: var(--bg-elevated) var(--bg-card);
}

.table-wrap::-webkit-scrollbar {
  height: 6px;
}

.table-wrap::-webkit-scrollbar-track {
  background: var(--bg-card);
}

.table-wrap::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 3px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.825rem;
}

.comparison-table thead {
  background: var(--bg-surface);
  position: sticky;
  top: 0;
  z-index: 1;
}

.comparison-table th {
  text-align: left;
  padding: 1rem 1.25rem;
  font-weight: 500;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.comparison-table td {
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border);
  color: var(--white-dim);
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}

.comparison-table tbody tr {
  transition: background 0.2s;
}

.comparison-table tr:last-child td { border-bottom: none; }

.comparison-table tbody tr:hover td {
  background: var(--bg-card-hover);
  color: var(--white);
}

.comparison-table td:first-child {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--accent);
}

/* Color swatch in table */
.color-swatch {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.color-swatch__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid var(--border-hover);
  flex-shrink: 0;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ============================================================
   DEEP DIVE — VARIANT ANALYSIS
   ============================================================ */
.deep-dive {
  padding: clamp(5rem, 8vw, 8rem) 0;
  border-top: 1px solid var(--border);
}

.deep-dive__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.dd-card {
  --dd-accent: var(--accent-bright);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.dd-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--dd-accent), transparent 80%);
  opacity: 0.6;
}

.dd-card:hover {
  border-color: var(--border-hover);
}

.dd-card__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.dd-card__badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--dd-accent);
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--dd-accent);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.dd-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.dd-card__aesthetic {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--white-muted);
  letter-spacing: 0.04em;
}

.dd-card__rating {
  margin-left: auto;
  flex-shrink: 0;
}

.dd-card__ease {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  border: 1px solid var(--border);
}

.dd-card__ease[data-level="easy"] {
  color: #4ade80;
  border-color: rgba(74, 222, 128, 0.3);
  background: rgba(74, 222, 128, 0.08);
}

.dd-card__ease[data-level="moderate"] {
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
  background: rgba(251, 191, 36, 0.08);
}

.dd-card__ease[data-level="hard"] {
  color: #f87171;
  border-color: rgba(248, 113, 113, 0.3);
  background: rgba(248, 113, 113, 0.08);
}

.dd-card__rec {
  font-size: 0.825rem;
  color: var(--accent);
  padding: 0.75rem 1rem;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  line-height: 1.5;
  font-weight: 400;
}

.dd-card__columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

.dd-card__pros h4,
.dd-card__cons h4 {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.dd-card__pros h4 { color: #4ade80; }
.dd-card__cons h4 { color: #f87171; }

.dd-card__pros ul,
.dd-card__cons ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.dd-card__pros li,
.dd-card__cons li {
  font-size: 0.775rem;
  color: var(--white-dim);
  font-weight: 300;
  line-height: 1.5;
  padding-left: 1.2rem;
  position: relative;
}

.dd-card__pros li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: #4ade80;
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.dd-card__cons li::before {
  content: '\2013';
  position: absolute;
  left: 0;
  color: #f87171;
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.dd-card__limits h4 {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-muted);
  margin-bottom: 0.5rem;
}

.dd-card__limits p {
  font-size: 0.775rem;
  color: var(--white-dim);
  font-weight: 300;
  line-height: 1.7;
}

/* Recommendation summary */
.dd-summary {
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  padding-top: 3rem;
}

.dd-summary__title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

.dd-summary__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.dd-summary__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color 0.3s;
}

.dd-summary__item:hover {
  border-color: var(--border-hover);
}

.dd-summary__label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-muted);
  display: block;
  margin-bottom: 0.5rem;
}

.dd-summary__pick {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  display: block;
  margin-bottom: 0.75rem;
}

.dd-summary__item p {
  font-size: 0.775rem;
  color: var(--white-dim);
  font-weight: 300;
  line-height: 1.65;
}

@media (max-width: 1024px) {
  .deep-dive__grid {
    grid-template-columns: 1fr;
  }

  .dd-summary__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .dd-card__columns {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .dd-summary__grid {
    grid-template-columns: 1fr;
  }

  .dd-card {
    padding: 1.5rem;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 5rem 0 4rem;
  border-top: 1px solid var(--border);
  text-align: center;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
}

.footer__text {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.footer__text strong {
  color: var(--accent);
  font-weight: 600;
}

.footer__sub {
  font-size: 0.8rem;
  color: var(--white-muted);
  font-weight: 300;
  margin-bottom: 2rem;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.footer__link {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-dim);
  transition: color 0.3s;
}

.footer__link:hover { color: var(--accent); }

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--white-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, background 0.3s, border-color 0.3s;
  z-index: 100;
  font-size: 1rem;
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-top:hover {
  background: var(--accent-dim);
  border-color: var(--accent-bright);
  color: var(--accent);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .variants__grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
}

@media (max-width: 768px) {
  .variants__grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .hero {
    min-height: auto;
    padding: 4rem 0 3rem;
  }

  .hero__title {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }

  .why__grid {
    grid-template-columns: 1fr;
  }

  .filter-bar__inner {
    gap: 0.5rem;
  }

  .filter-btn {
    font-size: 0.6rem;
    padding: 0.4rem 0.8rem;
  }

  .variant-card__body {
    padding: 1rem 1.25rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero__meta {
    flex-direction: column;
  }

  .variant-card__thumb {
    aspect-ratio: 16 / 9;
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html { scroll-behavior: auto; }
}