/* =====================================================
   Inflation Calculator — Shared Stylesheet
   Brand: Orange #ff7a00 / White #ffffff / Black #111111
   ===================================================== */

/* ---------- Root Theme Variables (driven by scroll JS) ---------- */
:root {
  --brand-orange: #ff7a00;
  --brand-orange-light: #ffa733;
  --brand-amber: #ffb300;
  --brand-gold: #ffd24d;
  --white: #ffffff;
  --black: #111111;

  /* Dynamic, updated by scroll listener */
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --bg-card: #ffffff;
  --text: #1a1a1a;
  --text-soft: #555555;
  --border: rgba(17, 17, 17, 0.08);
  --header-bg: rgba(255, 255, 255, 0.65);
  --shadow: 0 10px 30px rgba(17, 17, 17, 0.08);

  --radius: 16px;
  --radius-lg: 24px;
  --maxw: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.4s linear, color 0.4s linear;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 { line-height: 1.2; font-weight: 800; letter-spacing: -0.02em; }
section h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 14px; }
section { padding: 80px 0; position: relative; }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head p { color: var(--text-soft); font-size: 1.05rem; }
.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--brand-orange);
  background: rgba(255, 122, 0, 0.1); padding: 6px 14px; border-radius: 999px; margin-bottom: 16px;
}
.text-grad {
  background: linear-gradient(120deg, var(--brand-orange), var(--brand-amber), var(--brand-gold));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  position: relative; overflow: hidden; display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 999px; font-weight: 700; font-size: 0.98rem;
  cursor: pointer; border: none; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  text-align: center; line-height: 1;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--brand-orange), var(--brand-amber));
  box-shadow: 0 10px 24px rgba(255, 122, 0, 0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(255, 122, 0, 0.5); }
.btn-ghost {
  color: var(--text); background: transparent; border: 2px solid var(--border);
}
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--brand-orange); color: var(--brand-orange); }
.btn .ripple {
  position: absolute; border-radius: 50%; transform: scale(0);
  background: rgba(255, 255, 255, 0.5); animation: ripple 0.6s linear; pointer-events: none;
}
@keyframes ripple { to { transform: scale(4); opacity: 0; } }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  backdrop-filter: blur(16px) saturate(160%); -webkit-backdrop-filter: blur(16px) saturate(160%);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s linear, box-shadow 0.3s var(--ease), border-color 0.4s linear;
}
.site-header.scrolled { box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 900; font-size: 1.2rem; }
.brand-logo {
  width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--brand-orange), var(--brand-gold));
  box-shadow: 0 6px 16px rgba(255, 122, 0, 0.4);
}
.brand-logo svg { width: 22px; height: 22px; }
.brand span b { color: var(--brand-orange); }

.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu a {
  position: relative; padding: 10px 16px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  color: var(--text-soft); transition: color 0.25s, background 0.25s;
}
.nav-menu a:hover { color: var(--brand-orange); }
.nav-menu a.active {
  color: var(--brand-orange);
  background: rgba(255, 122, 0, 0.12);
  box-shadow: 0 0 0 1px rgba(255, 122, 0, 0.25), 0 0 18px rgba(255, 122, 0, 0.35);
}
.hamburger {
  display: none; flex-direction: column; gap: 5px; background: none; border: none;
  cursor: pointer; padding: 8px;
}
.hamburger span {
  width: 26px; height: 3px; border-radius: 3px; background: var(--text); transition: 0.3s var(--ease);
}
.hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: 70px 0 90px; position: relative; overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center;
}
.hero h1 { font-size: clamp(2.2rem, 5.2vw, 3.6rem); margin-bottom: 20px; }
.hero p.lead { font-size: 1.12rem; color: var(--text-soft); max-width: 560px; margin-bottom: 28px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.trust-badges { display: flex; flex-wrap: wrap; gap: 12px; }
.trust-badges .badge {
  display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; font-weight: 600;
  padding: 8px 14px; border-radius: 999px; background: var(--bg-card);
  border: 1px solid var(--border); box-shadow: var(--shadow); color: var(--text-soft);
}
.trust-badges .badge svg { width: 16px; height: 16px; color: var(--brand-orange); }

/* ---------- 3D Cuboid ---------- */
.hero-visual { display: grid; place-items: center; perspective: 1400px; min-height: 380px; }
.cuboid-stage {
  width: 220px; height: 220px; transform-style: preserve-3d;
  animation: floatY 6s ease-in-out infinite;
}
.cuboid {
  position: relative; width: 220px; height: 220px; transform-style: preserve-3d;
  animation: rotateCuboid 12s linear infinite; will-change: transform;
  filter: drop-shadow(0 30px 50px rgba(255, 122, 0, 0.35));
}
.cuboid .face {
  position: absolute; width: 220px; height: 220px; border-radius: 22px;
  background: linear-gradient(135deg, rgba(255,255,255,0.85), rgba(255,210,77,0.55), rgba(255,122,0,0.75));
  border: 1px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(6px);
  box-shadow: inset 0 0 40px rgba(255, 255, 255, 0.5), inset 0 0 80px rgba(255, 122, 0, 0.25);
  overflow: hidden;
}
.cuboid .face::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.75) 48%, transparent 60%);
  mix-blend-mode: screen;
}
.cuboid .front  { transform: translateZ(110px); }
.cuboid .back   { transform: rotateY(180deg) translateZ(110px); }
.cuboid .right  { transform: rotateY(90deg) translateZ(110px); }
.cuboid .left   { transform: rotateY(-90deg) translateZ(110px); }
.cuboid .top    { transform: rotateX(90deg) translateZ(110px); }
.cuboid .bottom { transform: rotateX(-90deg) translateZ(110px); }
.cuboid .face .glyph {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 3rem; font-weight: 900; color: rgba(255,255,255,0.9);
  text-shadow: 0 4px 14px rgba(255,122,0,0.5);
}
@keyframes rotateCuboid {
  from { transform: rotateX(-20deg) rotateY(0deg) rotateZ(0deg); }
  to   { transform: rotateX(-20deg) rotateY(360deg) rotateZ(145deg); }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-22px); }
}

/* ---------- Calculator ---------- */
.calc-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start;
}
.calc-card, .results-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow);
}
.calc-card h3, .results-card h3 { font-size: 1.3rem; margin-bottom: 6px; }
.calc-card .hint { color: var(--text-soft); font-size: 0.9rem; margin-bottom: 22px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 8px; }
.field input, .field select {
  width: 100%; padding: 13px 15px; border-radius: 12px; font-size: 1rem;
  border: 1.5px solid var(--border); background: var(--bg-soft); color: var(--text);
  transition: border-color 0.25s, box-shadow 0.25s; font-family: inherit;
}
.field input:focus, .field select:focus {
  outline: none; border-color: var(--brand-orange); box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.15);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.calc-actions { display: flex; gap: 12px; margin-top: 8px; }
.calc-actions .btn { flex: 1; justify-content: center; }
.calc-error { color: #d63a00; font-size: 0.88rem; margin-top: 12px; min-height: 1em; font-weight: 600; }

/* Results */
.results-card { position: relative; }
.results-empty { color: var(--text-soft); text-align: center; padding: 30px 10px; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.result-tile {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 14px;
  padding: 16px; opacity: 0; transform: translateY(14px);
}
.result-tile.show { animation: tileIn 0.5s var(--ease) forwards; }
.result-tile.span2 { grid-column: 1 / -1; }
.result-tile .label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-soft); font-weight: 700; }
.result-tile .value { font-size: 1.5rem; font-weight: 900; margin-top: 4px; color: var(--brand-orange); }
.result-tile .value.neg { color: #d63a00; }
.result-tile .value.pos { color: #1a9e4b; }
.result-tile .sub { font-size: 0.8rem; color: var(--text-soft); }
@keyframes tileIn { to { opacity: 1; transform: translateY(0); } }

/* ---------- Features ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow); transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(255, 122, 0, 0.25); border-color: rgba(255, 122, 0, 0.4);
}
.feature-icon {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--brand-orange), var(--brand-gold)); margin-bottom: 18px;
}
.feature-icon svg { width: 28px; height: 28px; }
.feature-card h3 { font-size: 1.18rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-soft); font-size: 0.95rem; }

/* ---------- Educational Content ---------- */
.edu-section .article { max-width: 860px; margin: 0 auto; }
.edu-block { margin-bottom: 46px; }
.edu-block h3 { font-size: 1.5rem; margin-bottom: 14px; color: var(--text); }
.edu-block h3 .num { color: var(--brand-orange); margin-right: 8px; }
.edu-block p { color: var(--text-soft); margin-bottom: 14px; }

/* ---------- Examples ---------- */
.examples-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.example-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow); transition: transform 0.35s var(--ease);
  position: relative; overflow: hidden;
}
.example-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px;
  background: linear-gradient(90deg, var(--brand-orange), var(--brand-gold));
}
.example-card:hover { transform: translateY(-6px); }
.example-card .tag { font-size: 0.75rem; font-weight: 700; color: var(--brand-orange); text-transform: uppercase; letter-spacing: 0.08em; }
.example-card h4 { font-size: 1.15rem; margin: 8px 0 14px; }
.example-card .ex-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 0.92rem; }
.example-card .ex-row span:last-child { font-weight: 800; }
.example-card .ex-result { margin-top: 14px; font-size: 1.35rem; font-weight: 900; color: var(--brand-orange); }

/* ---------- Stats ---------- */
.stats-section { background: linear-gradient(135deg, rgba(255,122,0,0.06), rgba(255,210,77,0.06)); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-card { padding: 22px; }
.stat-num { font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; color: var(--brand-orange); }
.stat-label { color: var(--text-soft); font-weight: 600; margin-top: 6px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
  transition: box-shadow 0.3s, border-color 0.3s;
}
.faq-item.open { border-color: rgba(255, 122, 0, 0.4); box-shadow: 0 10px 24px rgba(255, 122, 0, 0.12); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  padding: 20px 22px; font-size: 1.02rem; font-weight: 700; color: var(--text);
  display: flex; justify-content: space-between; align-items: center; gap: 16px; font-family: inherit;
}
.faq-q .icon { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255, 122, 0, 0.12); color: var(--brand-orange); transition: transform 0.35s var(--ease); font-weight: 900; }
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq-a p { padding: 0 22px 20px; color: var(--text-soft); }

/* ---------- CTA ---------- */
.cta-section {
  background: linear-gradient(125deg, var(--brand-orange), var(--brand-amber), var(--brand-gold));
  border-radius: 28px; margin: 0 20px; padding: 64px 30px; text-align: center; color: #fff;
  max-width: var(--maxw); margin-left: auto; margin-right: auto; box-shadow: 0 24px 60px rgba(255,122,0,0.4);
}
.cta-section h2 { color: #fff; font-size: clamp(1.8rem, 4.5vw, 2.8rem); margin-bottom: 14px; }
.cta-section p { color: rgba(255,255,255,0.92); max-width: 620px; margin: 0 auto 28px; font-size: 1.08rem; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-section .btn-primary { background: #111; box-shadow: 0 10px 24px rgba(0,0,0,0.3); }
.cta-section .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.6); }
.cta-section .btn-ghost:hover { color: #fff; background: rgba(255,255,255,0.15); border-color: #fff; }

/* ---------- Page Hero (inner pages) ---------- */
.page-hero { padding: 64px 0 36px; text-align: center; }
.page-hero h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 12px; }
.page-hero p { color: var(--text-soft); max-width: 660px; margin: 0 auto; font-size: 1.08rem; }
.breadcrumb { font-size: 0.85rem; color: var(--text-soft); margin-bottom: 18px; }
.breadcrumb a { color: var(--brand-orange); }

.prose { max-width: 860px; margin: 0 auto; }
.prose h2 { font-size: 1.6rem; margin: 36px 0 12px; }
.prose h3 { font-size: 1.25rem; margin: 26px 0 10px; }
.prose p { color: var(--text-soft); margin-bottom: 14px; }
.prose ul.bullets { margin: 0 0 16px 0; display: grid; gap: 10px; }
.prose ul.bullets li { position: relative; padding-left: 28px; color: var(--text-soft); }
.prose ul.bullets li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 14px; height: 14px; border-radius: 4px;
  background: linear-gradient(135deg, var(--brand-orange), var(--brand-gold));
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 36px; align-items: start; }
.contact-form .field input, .contact-form .field textarea, .contact-form .field select {
  width: 100%; padding: 13px 15px; border-radius: 12px; font-size: 1rem; font-family: inherit;
  border: 1.5px solid var(--border); background: var(--bg-soft); color: var(--text); transition: border-color 0.25s, box-shadow 0.25s;
}
.contact-form textarea { resize: vertical; min-height: 140px; }
.contact-form .field input:focus, .contact-form .field textarea:focus {
  outline: none; border-color: var(--brand-orange); box-shadow: 0 0 0 4px rgba(255,122,0,0.15);
}
.form-success { color: #1a9e4b; font-weight: 700; margin-top: 12px; min-height: 1em; }
.info-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); margin-bottom: 18px;
}
.info-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.info-card p { color: var(--text-soft); font-size: 0.95rem; margin-bottom: 6px; }
.info-card a { color: var(--brand-orange); font-weight: 600; }

/* ---------- Footer (always dark) ---------- */
.site-footer {
  background: #0c0c0c; color: rgba(255, 255, 255, 0.82); padding: 64px 0 26px; margin-top: 60px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 0.92rem; color: rgba(255,255,255,0.6); margin-bottom: 18px; max-width: 320px; }
.social-row { display: flex; gap: 12px; }
.social-row a {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.08); color: #fff; transition: transform 0.3s var(--ease), background 0.3s, box-shadow 0.3s;
}
.social-row a svg { width: 20px; height: 20px; }
.social-row a:hover { transform: translateY(-5px) scale(1.12); animation: floatSocial 2.4s ease-in-out infinite; }
.social-row a.fb:hover { background: #1877F2; box-shadow: 0 8px 20px rgba(24,119,242,0.5); }
.social-row a.ig:hover { background: #E4405F; box-shadow: 0 8px 20px rgba(228,64,95,0.5); }
.social-row a.tw:hover { background: #000; box-shadow: 0 8px 20px rgba(0,0,0,0.6); }
.social-row a.li:hover { background: #0A66C2; box-shadow: 0 8px 20px rgba(10,102,194,0.5); }
@keyframes floatSocial { 0%,100% { transform: translateY(-5px) scale(1.12); } 50% { transform: translateY(-10px) scale(1.12); } }

.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a {
  position: relative; color: rgba(255,255,255,0.62); font-size: 0.92rem; transition: color 0.25s; display: inline-block;
}
.footer-col a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: linear-gradient(90deg, var(--brand-orange), var(--brand-gold)); transition: width 0.3s var(--ease);
}
.footer-col a:hover { color: #fff; transform: translateX(3px); text-shadow: 0 0 12px rgba(255,122,0,0.6); }
.footer-col a:hover::after { width: 100%; }

.footer-divider {
  height: 2px; border: none; margin: 40px 0 22px;
  background: linear-gradient(90deg, transparent, var(--brand-orange), var(--brand-gold), transparent);
}
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: var(--brand-orange); }

/* ---------- Scroll Reveal ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 22px; width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-orange), var(--brand-gold)); color: #fff; border: none;
  cursor: pointer; display: grid; place-items: center; box-shadow: 0 10px 24px rgba(255,122,0,0.45);
  opacity: 0; visibility: hidden; transform: translateY(20px); transition: 0.35s var(--ease); z-index: 900;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-4px); }

/* ---------- Mobile Menu / Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-cta, .trust-badges { justify-content: center; }
  .hero-visual { order: -1; min-height: 320px; }
  .calc-wrap { grid-template-columns: 1fr; }
  .features-grid, .examples-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed; top: 72px; right: 0; height: calc(100vh - 72px); width: min(78vw, 320px);
    flex-direction: column; align-items: stretch; gap: 4px; padding: 20px;
    background: var(--bg); border-left: 1px solid var(--border);
    transform: translateX(110%); transition: transform 0.4s var(--ease); box-shadow: -10px 0 40px rgba(0,0,0,0.15);
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu a { padding: 14px 16px; font-size: 1.02rem; }
  section { padding: 60px 0; }
  .features-grid, .examples-grid, .stats-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 48px 22px; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .cuboid, .cuboid-stage { animation: none; }
  * { scroll-behavior: auto; }
}