/* ============================================================
   Fuzhou Jiku Technology — Design System
   Editorial-tech aesthetic · Warm neutrals · Forest green accent
   ============================================================ */

:root {
  /* Palette */
  --bg: #f6f4ee;
  --bg-alt: #efebe1;
  --bg-dark: #14130f;
  --paper: #fbfaf6;
  --ink: #14130f;
  --ink-soft: #54524a;
  --ink-faint: #8a8779;
  --accent: #1b5e47;
  --accent-deep: #0f3d2e;
  --accent-soft: #e7efe8;
  --amber: #b8732a;
  --line: #d9d4c6;
  --line-soft: #e6e2d6;

  /* Typography */
  --font-display: 'Fraunces', 'Noto Serif SC', Georgia, serif;
  --font-body: 'Manrope', 'Noto Sans SC', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Spacing */
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 2rem;
  --sp-lg: 4rem;
  --sp-xl: 6rem;
  --sp-2xl: 9rem;

  --radius: 14px;
  --radius-sm: 8px;
  --maxw: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.4s var(--ease);
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 17px;
  font-weight: 400;
  overflow-x: hidden;
}

/* Grain texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--accent); color: var(--paper); }

a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

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

/* ===================== Layout ===================== */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 2rem; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 2rem; }
.section { padding: var(--sp-xl) 0; }
.section-sm { padding: var(--sp-lg) 0; }

/* ===================== Typography ===================== */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}
h1 { font-family: var(--font-display); font-weight: 400; line-height: 1.08; letter-spacing: -0.025em; font-size: clamp(2.5rem, 6vw, 4.5rem); font-variation-settings: "opsz" 144; }
h2 { font-family: var(--font-display); font-weight: 400; line-height: 1.12; letter-spacing: -0.02em; font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.2; font-size: clamp(1.25rem, 2.5vw, 1.6rem); }
h4 { font-weight: 600; font-size: clamp(1rem, 2vw, 1.1rem); letter-spacing: 0.01em; }
p { color: var(--ink-soft); }
.lead { font-size: 1.2rem; line-height: 1.6; color: var(--ink-soft); }
.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--accent); }

/* ===================== Header / Nav ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(246, 244, 238, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 1px 24px rgba(20,19,15,0.06); }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.logo-mark {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: grid; place-items: center;
  color: var(--paper);
  font-size: 1rem;
  font-family: var(--font-display);
  font-weight: 600;
}
.logo-text small { display: block; font-size: 0.72rem; font-family: var(--font-body); font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); margin-top: -2px; }

.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 0.4rem 0;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1.5px;
  background: var(--accent); transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a.active::after, .nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 1rem; }
.lang-toggle {
  display: flex; align-items: center; gap: 0.3rem;
  font-size: 0.82rem; font-weight: 600;
  background: none; border: 1px solid var(--line);
  border-radius: 100px; padding: 0.35rem 0.5rem;
  cursor: pointer; color: var(--ink-soft);
  transition: all var(--transition);
  font-family: var(--font-body);
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent); }
.lang-toggle .opt { padding: 0.1rem 0.45rem; border-radius: 100px; transition: all var(--transition); }
.lang-toggle .opt.active { background: var(--ink); color: var(--paper); }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.burger span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: var(--transition); }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 72px 0 0 0; z-index: 999;
  background: var(--bg);
  padding: 2rem;
  transform: translateX(100%);
  transition: transform 0.5s var(--ease);
  display: flex; flex-direction: column; gap: 1.5rem;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a { font-family: var(--font-display); font-size: 1.8rem; color: var(--ink); }

/* ===================== Buttons ===================== */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.92rem; font-weight: 600;
  padding: 0.85rem 1.6rem;
  border-radius: 100px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}
.btn-primary { background: var(--accent); color: var(--paper); }
.btn-primary:hover { background: var(--accent-deep); color: var(--paper); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(27,94,71,0.25); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn-arrow { transition: transform var(--transition); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ===================== Hero ===================== */
.hero {
  position: relative;
  padding: var(--sp-2xl) 0 var(--sp-xl);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--sp-lg);
  align-items: center;
}
.hero-title { font-size: clamp(2.8rem, 7vw, 5.5rem); margin: 1.5rem 0; }
.hero-title em { font-style: italic; font-variation-settings: "opsz" 144, "SOFT" 100; color: var(--accent); }
.hero-sub { max-width: 460px; margin-bottom: 2.5rem; font-size: 1.18rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Decorative hero visual */
.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  overflow: hidden;
}
.hero-visual-inner {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent-deep) 0%, var(--accent) 50%, #2d7a5f 100%);
  border-radius: var(--radius);
}
.hero-visual-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 44px 44px;
}
.hero-visual-shape {
  position: absolute;
  top: 18%; right: 12%;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(251,250,246,0.3), transparent 60%);
}
.hero-visual-text {
  position: absolute; bottom: 2.5rem; left: 2.5rem; right: 2.5rem;
  color: var(--paper);
}
.hero-visual-text .label { font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.7; margin-bottom: 0.6rem; }
.hero-visual-text .word { font-family: var(--font-display); font-size: 2rem; line-height: 1.1; }
.hero-visual-text .sub { font-size: 0.85rem; opacity: 0.8; margin-top: 0.4rem; }

/* Floating badge */
.hero-badge {
  position: absolute;
  top: -1.5rem; right: -1.5rem;
  z-index: 3;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--paper);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-align: center;
  line-height: 1.2;
  transform: rotate(-12deg);
  box-shadow: 0 12px 32px rgba(184,115,42,0.3);
}

/* ===================== Stats strip ===================== */
.stats {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: var(--sp-lg) 0;
  background: var(--paper);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat-num { font-family: var(--font-display); font-size: 2.8rem; color: var(--accent); line-height: 1; }
.stat-label { font-size: 0.85rem; color: var(--ink-faint); margin-top: 0.4rem; }

/* ===================== Section headers ===================== */
.sec-head { margin-bottom: var(--sp-lg); max-width: 640px; }
.sec-head h2 { margin: 1rem 0 0.8rem; }

/* ===================== Business cards ===================== */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.biz-card {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.biz-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.biz-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(20,19,15,0.08); border-color: var(--accent-soft); }
.biz-card:hover::before { transform: scaleX(1); }
.biz-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: grid; place-items: center;
  margin-bottom: 1.5rem;
}
.biz-icon svg { width: 26px; height: 26px; stroke: var(--accent); fill: none; stroke-width: 1.5; }
.biz-card h3 { margin-bottom: 0.6rem; }
.biz-card p { font-size: 0.95rem; }
.biz-tag {
  display: inline-block; margin-top: 1.2rem;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  color: var(--accent);
  padding: 0.3rem 0.75rem; border-radius: 100px;
  background: var(--accent-soft);
}

/* Accessibility: skip link */
.skip-link {
  position: absolute; top: -100px; left: 1rem; z-index: 10000;
  background: var(--ink); color: var(--paper);
  padding: 0.6rem 1.2rem; border-radius: 0 0 8px 8px;
  font-size: 0.85rem; font-weight: 600;
  transition: top var(--transition);
}
.skip-link:focus { top: 0; color: var(--paper); }

/* Focus visible for keyboard nav */
a:focus-visible, button:focus-visible, .lang-toggle:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .fade-up, .stagger > * { opacity: 1 !important; transform: none !important; }
}

/* ===================== Brand matrix ===================== */
.brands {
  background: var(--bg-dark);
  color: var(--paper);
  padding: var(--sp-xl) 0;
  position: relative;
  overflow: hidden;
}
.brands .eyebrow { color: #6fbf9a; }
.brands .eyebrow::before { background: #6fbf9a; }
.brands h2 { color: var(--paper); }
.brands-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: var(--sp-lg);
}
.brand-card {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.brand-card:hover { border-color: #6fbf9a; background: rgba(111,191,154,0.06); }
.brand-card h3 { color: var(--paper); font-size: 1.8rem; }
.brand-card .brand-domain { font-family: var(--font-mono); font-size: 0.85rem; color: #6fbf9a; }
.brand-card p { color: rgba(251,250,246,0.65); font-size: 0.95rem; }
.brand-visit {
  margin-top: auto; font-size: 0.85rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: #6fbf9a;
}

/* ===================== CTA ===================== */
.cta-band {
  background: var(--accent);
  color: var(--paper);
  padding: var(--sp-xl) 0;
  border-radius: var(--radius);
  margin: var(--sp-xl) 0;
}
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-band h2 { color: var(--paper); }
.cta-band p { color: rgba(251,250,246,0.8); }
.cta-band .btn-primary { background: var(--paper); color: var(--accent); }
.cta-band .btn-primary:hover { background: var(--bg); }

/* ===================== Footer ===================== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(251,250,246,0.7);
  padding: var(--sp-lg) 0 2rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: var(--sp-lg);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo { color: var(--paper); margin-bottom: 1rem; }
.footer-brand .logo-mark { background: #6fbf9a; }
.footer-brand p { color: rgba(251,250,246,0.55); font-size: 0.9rem; max-width: 320px; }
.footer-col h5 { color: var(--paper); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 1.2rem; font-weight: 600; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a { color: rgba(251,250,246,0.6); font-size: 0.9rem; }
.footer-col a:hover { color: #6fbf9a; }
.footer-bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: rgba(251,250,246,0.45);
}
.footer-bottom a { color: rgba(251,250,246,0.45); text-decoration: underline; text-underline-offset: 2px; }
.footer-bottom a:hover { color: #6fbf9a; }
.icp { font-family: var(--font-mono); }

/* ===================== Page banner ===================== */
.page-banner {
  padding: var(--sp-xl) 0 var(--sp-lg);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.page-banner h1 { margin: 1rem 0 0.8rem; }
.breadcrumb { font-size: 0.82rem; color: var(--ink-faint); display: flex; gap: 0.5rem; }
.breadcrumb a:hover { color: var(--accent); }

/* ===================== About page ===================== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-lg);
  align-items: start;
  padding: var(--sp-xl) 0;
}
.about-intro .lead { font-size: 1.3rem; line-height: 1.5; color: var(--ink); }
.about-text p { margin-bottom: 1.2rem; font-size: 1.02rem; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: var(--sp-lg);
}
.value-item {
  padding: 2rem;
  background: var(--paper);
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
}
.value-item .num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); font-weight: 600; }
.value-item h3 { margin: 0.8rem 0 0.6rem; }
.value-item p { font-size: 0.95rem; }

/* Timeline */
.timeline { position: relative; padding-left: 2rem; margin-top: var(--sp-lg); }
.timeline::before { content: ''; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.timeline-item { position: relative; padding-bottom: 2.5rem; }
.timeline-item::before { content: ''; position: absolute; left: -2rem; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); border: 3px solid var(--bg); }
.timeline-item .year { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent); font-weight: 600; }
.timeline-item h4 { margin: 0.3rem 0 0.5rem; }
.timeline-item p { font-size: 0.95rem; }

/* ===================== Contact page ===================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-lg);
  padding: var(--sp-xl) 0;
}
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item {
  display: flex; gap: 1.2rem; align-items: flex-start;
  padding: 1.5rem; background: var(--paper);
  border-radius: var(--radius); border: 1px solid var(--line-soft);
}
.contact-item-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--accent-soft); display: grid; place-items: center;
  flex-shrink: 0;
}
.contact-item-icon svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 1.5; }
.contact-item .label { font-size: 0.78rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.1em; }
.contact-item .value { font-size: 1.05rem; color: var(--ink); font-weight: 500; margin-top: 0.2rem; word-break: break-all; }

.contact-form {
  background: var(--paper); border-radius: var(--radius);
  border: 1px solid var(--line-soft); padding: 2.5rem;
}
.form-group { margin-bottom: 1.4rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.5rem; }
.form-group input, .form-group textarea {
  width: 100%; padding: 0.8rem 1rem;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--bg); font-family: var(--font-body); font-size: 0.95rem;
  transition: border var(--transition);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }

/* ===================== Products page ===================== */
.prod-block {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--sp-lg);
  align-items: center;
  padding: var(--sp-lg) 0;
  border-bottom: 1px solid var(--line-soft);
}
.prod-block:last-child { border-bottom: none; }
.prod-block.reverse { grid-template-columns: 1.1fr 1fr; }
.prod-block.reverse .prod-text { order: 2; }
.prod-text h3 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0.8rem 0 1rem; }
.prod-text p { font-size: 1.02rem; margin-bottom: 1.2rem; }
.prod-features { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
.prod-features li { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.95rem; color: var(--ink-soft); }
.prod-features li::before { content: '◆'; color: var(--accent); font-size: 0.7rem; margin-top: 0.4rem; flex-shrink: 0; }
.prod-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  background: var(--accent-soft);
  border: 1px solid var(--line-soft);
  display: grid; place-items: center;
  position: relative; overflow: hidden;
}
.prod-visual .pv-icon { width: 72px; height: 72px; stroke: var(--accent); fill: none; stroke-width: 1.2; opacity: 0.5; }
.prod-visual .pv-label { position: absolute; bottom: 1.5rem; left: 1.5rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); font-weight: 500; }

/* ===================== Legal pages ===================== */
.legal { padding: var(--sp-lg) 0 var(--sp-2xl); }
.legal h2 { font-size: 1.6rem; margin: 2.5rem 0 1rem; }
.legal h3 { font-size: 1.15rem; margin: 1.5rem 0 0.8rem; }
.legal p, .legal li { font-size: 0.97rem; line-height: 1.7; margin-bottom: 0.8rem; }
.legal ul { padding-left: 1.4rem; margin-bottom: 1rem; }
.legal-meta { font-size: 0.85rem; color: var(--ink-faint); padding-bottom: 1.5rem; border-bottom: 1px solid var(--line); margin-bottom: 2rem; }

/* ===================== Animations ===================== */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.fade-up.in { opacity: 1; transform: translateY(0); }
.stagger > * { opacity: 0; transform: translateY(20px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.stagger.in > *:nth-child(1) { transition-delay: 0.05s; }
.stagger.in > *:nth-child(2) { transition-delay: 0.15s; }
.stagger.in > *:nth-child(3) { transition-delay: 0.25s; }
.stagger.in > *:nth-child(4) { transition-delay: 0.35s; }
.stagger.in > *:nth-child(5) { transition-delay: 0.45s; }
.stagger.in > *:nth-child(6) { transition-delay: 0.55s; }
.stagger.in > * { opacity: 1; transform: translateY(0); }

/* ===================== Responsive ===================== */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 380px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .biz-grid { grid-template-columns: 1fr; }
  .brands-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .about-intro, .contact-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .burger { display: flex; }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .section { padding: var(--sp-lg) 0; }
  .hero { padding: var(--sp-xl) 0 var(--sp-lg); }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .footer-top { grid-template-columns: 1fr; }
  .cta-band { padding: var(--sp-lg) 1.5rem; }
  .cta-band .container { flex-direction: column; text-align: center; }
  .biz-card, .brand-card, .contact-form { padding: 1.75rem; }
  .container, .container-narrow { padding: 0 1.25rem; }
}