/* Runlite — natural & earthy */
:root {
  --bg: #F5F0E6;
  --ink: #1A1C17;
  --soft: #E8E1D2;
  --rule: rgba(26,28,23,0.14);
  --subtle-text: rgba(26,28,23,0.55);
  --accent: #5E6B4F;
  --density: 1;

  --sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --container: 1260px;
  --gutter: clamp(20px, 4vw, 48px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Paper grain overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.08 0 0 0 0 0.07 0 0 0 0 0.05 0 0 0 0.045 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.6;
  mix-blend-mode: multiply;
}
html.no-grain body::before { display: none; }

a { color: inherit; text-decoration: none; }

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

/* Type */
.display, .display-md {
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 0;
}
.display { font-size: clamp(48px, 8vw, 116px); }
.display-md { font-size: clamp(36px, 5.4vw, 76px); line-height: 1.05; letter-spacing: -0.018em; }

.serif-italic {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}
html.no-serif .serif-italic { font-family: var(--sans); font-style: italic; }

/* Section scaffold */
.page { position: relative; z-index: 2; }
.sec { padding: calc(120px * var(--density)) 0; position: relative; }
.sec-head { max-width: 860px; margin-bottom: calc(72px * var(--density)); }
.sec-head--row { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: end; max-width: none; }
.sec-sub { color: var(--subtle-text); font-size: 18px; max-width: 640px; margin: 20px 0 0; text-wrap: pretty; }
.sec-sub--right { justify-self: end; }
.sec-label {
  display: inline-flex; gap: 14px; align-items: center;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--subtle-text);
  margin-bottom: 28px;
}
.sec-label span:first-child {
  background: var(--ink); color: var(--bg);
  padding: 3px 7px; border-radius: 3px; font-size: 10.5px;
}

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 0;
  transition: background 0.25s ease, backdrop-filter 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}
.nav--scrolled {
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--rule);
}
.nav-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: auto 1fr auto; gap: 32px; align-items: center;
}
.nav-brand { display: inline-flex; align-items: center; gap: 10px; }

.hero-mesh { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-split-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.prod-img { width: 100%; border-radius: 12px; overflow: hidden; background: var(--soft); aspect-ratio: 4/5; }
.prod-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s ease; object-position: center 40%; }
.prod:hover .prod-img img { transform: scale(1.03); }
.sus-video { max-width: 420px; margin-left: auto; }
.sus-video img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Image strip — bounded grid, no row-dominators */
.strip { padding: 40px 0; background: var(--bg); }
.strip-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.strip-fig {
  margin: 0; position: relative;
  border-radius: 12px; overflow: hidden;
  background: var(--soft);
  aspect-ratio: 1/1;
}
.strip-fig img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.6s ease;
}
.strip-fig:hover img { transform: scale(1.04); }
.strip-fig figcaption {
  position: absolute; left: 12px; bottom: 12px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--bg);
  background: rgba(0,0,0,0.45); backdrop-filter: blur(6px);
  padding: 6px 10px; border-radius: 999px;
}

@media (max-width: 1024px) {
  .strip-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .strip-inner { grid-template-columns: 1fr; }
}
.nav-links {
  display: inline-flex; align-items: center; gap: 18px;
  justify-self: center;
  font-size: 14px; color: var(--subtle-text);
}
.nav-links a { transition: color 0.15s; }
.nav-links a:hover { color: var(--ink); }
.nav-links .dot { opacity: 0.4; }
.nav-right { display: inline-flex; align-items: center; gap: 14px; }
.nav-group-chip {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--subtle-text); padding: 6px 10px; border: 1px solid var(--rule); border-radius: 999px;
}
.nav-cta {
  font-size: 14px; font-weight: 500;
  padding: 9px 18px; border-radius: 999px;
  background: var(--ink); color: var(--bg);
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--accent); }

/* Hero */
.hero {
  position: relative; min-height: 100vh;
  padding-top: 140px; padding-bottom: 80px;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0; z-index: 0;
}
.hero-media--flat { background: var(--soft); }
.hero-video { width: 100%; height: 100%; object-fit: cover; }
.hero-video-tint {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, color-mix(in oklab, var(--bg) 60%, transparent) 0%, color-mix(in oklab, var(--bg) 20%, transparent) 40%, color-mix(in oklab, var(--bg) 70%, transparent) 100%);
  mix-blend-mode: normal;
}
.hero-fade {
  position: absolute; left: 0; right: 0; bottom: 0; height: 40%;
  background: linear-gradient(180deg, transparent, var(--bg) 90%);
}
.hero-split {
  position: absolute; right: 0; top: 0; bottom: 0; width: 42%; z-index: 0;
}
.hero-split .ph { height: 100%; aspect-ratio: unset; border-radius: 0; }

.hero-content {
  position: relative; z-index: 2;
  max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter);
  width: 100%;
}
.hero-content--split { max-width: 58%; margin-left: 0; padding-left: var(--gutter); }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink); padding: 8px 14px; border: 1px solid var(--rule); border-radius: 999px;
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  margin-bottom: 40px;
}
.dot-green {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 18%, transparent);
}
.hero-sub {
  font-size: clamp(18px, 1.4vw, 22px);
  max-width: 540px; margin: 32px 0 0;
  color: var(--subtle-text); text-wrap: pretty;
}
.hero-actions { display: inline-flex; gap: 14px; margin-top: 44px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px; font-size: 14.5px; font-weight: 500;
  transition: transform 0.15s ease, background 0.15s, color 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--ink); color: var(--bg); }
.btn--primary:hover { background: var(--accent); }
.btn--ghost { background: transparent; color: var(--ink); border: 1px solid var(--rule); }
.btn--ghost:hover { border-color: var(--ink); }
.play-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--ink);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ink) 15%, transparent);
}
.hero-meta {
  margin-top: 56px;
  display: inline-flex; gap: 14px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--subtle-text);
}

/* Values strip / marquee */
.marquee {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  background: var(--soft);
  padding: 22px 0;
}
.marquee-track {
  display: inline-flex; gap: 56px; white-space: nowrap;
  animation: marquee 60s linear infinite;
}
.marquee-item {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink);
}
.marquee-mark { color: var(--accent); margin-right: 10px; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-33.333%); }
}

/* Mission */
.sec--mission { padding-top: calc(160px * var(--density)); }
.mission-p { font-size: clamp(28px, 4vw, 60px); font-weight: 500; letter-spacing: -0.015em; line-height: 1.12; margin: 0; }
.mission-p--sub { font-size: clamp(20px, 2.2vw, 30px); font-weight: 400; margin-top: 40px; line-height: 1.25; }

/* Products */
.prod-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.prod {
  background: var(--soft); border-radius: 18px;
  padding: 16px; display: flex; flex-direction: column; gap: 18px;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.25s;
}
.prod--hover { border-color: var(--rule); background: color-mix(in oklab, var(--soft) 80%, var(--bg)); }
.prod-media { position: relative; border-radius: 12px; overflow: hidden; }
.prod-tag {
  position: absolute; top: 14px; left: 14px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  background: color-mix(in oklab, var(--bg) 92%, transparent); color: var(--ink);
  padding: 5px 10px; border-radius: 999px;
}
.prod-body { padding: 4px 4px 8px; display: flex; flex-direction: column; gap: 14px; }
.prod-name { font-size: 28px; font-weight: 500; margin: 0; letter-spacing: -0.01em; }
.prod-short { margin: 0; color: var(--subtle-text); font-size: 15px; text-wrap: pretty; }
.prod-specs { list-style: none; padding: 0; margin: 6px 0 0; display: flex; flex-direction: column; gap: 7px; }
.prod-specs li { font-size: 13px; color: var(--ink); display: inline-flex; gap: 10px; align-items: center; }
.spec-mark { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; flex: none; }
.prod-cta {
  font-size: 14px; font-weight: 500; color: var(--ink);
  margin-top: 6px; display: inline-flex; gap: 8px; align-items: center;
  transition: color 0.15s, gap 0.2s;
}
.prod-cta:hover { color: var(--accent); gap: 14px; }
.prod-cta .arrow { transition: transform 0.2s; }

/* Placeholder */
.ph {
  position: relative; width: 100%; border-radius: 10px;
  background: var(--soft); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.ph--dark { background: #2a2d26; color: var(--bg); }
.ph-stripes {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg,
    transparent 0, transparent 14px,
    color-mix(in oklab, var(--ink) 5%, transparent) 14px,
    color-mix(in oklab, var(--ink) 5%, transparent) 15px);
}
.ph--dark .ph-stripes {
  background-image: repeating-linear-gradient(135deg,
    transparent 0, transparent 14px,
    rgba(255,255,255,0.05) 14px, rgba(255,255,255,0.05) 15px);
}
.ph-label {
  position: relative;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--subtle-text);
  padding: 6px 10px; border: 1px dashed var(--rule);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
}
.ph--dark .ph-label {
  color: rgba(255,255,255,0.7); border-color: rgba(255,255,255,0.2);
  background: rgba(0,0,0,0.35);
}

/* Lifecycle */
.sec--lifecycle { background: var(--soft); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.lc { display: grid; grid-template-columns: 1.2fr 1fr; gap: 72px; align-items: center; margin-top: 40px; }
.lc-stage { position: relative; aspect-ratio: 1/1; max-width: 560px; margin: 0 auto; width: 100%; }
.lc-ring { position: relative; width: 100%; height: 100%; }
.lc-ring-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.lc-node {
  position: absolute; transform: translate(-50%, -50%);
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--rule);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 10.5px; color: var(--subtle-text);
  cursor: pointer; transition: all 0.25s;
  padding: 0;
}
.lc-node--done { background: color-mix(in oklab, var(--accent) 10%, var(--bg)); }
.lc-node--active {
  background: var(--ink); color: var(--bg); border-color: var(--ink);
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: 0 0 0 6px color-mix(in oklab, var(--ink) 12%, transparent);
}
.lc-center {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  text-align: center; max-width: 65%;
}
.lc-center-num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--subtle-text); margin-bottom: 8px; }
.lc-center-label { font-size: 28px; font-weight: 500; letter-spacing: -0.01em; margin-bottom: 12px; }
.lc-center-body { font-size: 14px; color: var(--subtle-text); line-height: 1.5; }

.lc-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 2px; }
.lc-item {
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 18px; align-items: center;
  padding: 16px 4px; cursor: pointer;
  border-bottom: 1px solid var(--rule);
  transition: padding 0.2s;
}
.lc-item:first-child { border-top: 1px solid var(--rule); }
.lc-item--active { padding-left: 14px; }
.lc-item-num { font-family: var(--mono); font-size: 11px; color: var(--subtle-text); letter-spacing: 0.1em; }
.lc-item-label { font-size: 16px; font-weight: 500; }
.lc-item-rule { width: 30px; height: 1px; background: var(--rule); transition: all 0.25s; }
.lc-item--active .lc-item-rule { width: 44px; background: var(--accent); height: 2px; }
.lc-item--active .lc-item-num { color: var(--accent); }

/* Sustain */
.sus-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.sus-quote {
  margin-top: 48px; padding: 28px 32px;
  border-left: 2px solid var(--accent); background: var(--soft);
  font-family: var(--serif); font-style: italic; font-size: 22px; line-height: 1.35;
  color: var(--ink); border-radius: 0 8px 8px 0;
  position: relative; text-wrap: pretty;
}
.sus-quote-mark { font-size: 48px; line-height: 0; vertical-align: -10px; color: var(--accent); margin-right: 6px; }
.sus-quote-cite { display: block; margin-top: 14px; font-family: var(--sans); font-style: normal; font-size: 13px; color: var(--subtle-text); letter-spacing: 0.04em; }
.sus-video { position: relative; border-radius: 16px; overflow: hidden; aspect-ratio: 4/5; background: var(--soft); }
.sus-video video { width: 100%; height: 100%; object-fit: cover; }
.sus-video-cap {
  position: absolute; left: 16px; bottom: 16px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--bg); padding: 6px 10px;
  background: rgba(0,0,0,0.4); backdrop-filter: blur(8px);
  border-radius: 999px;
}

.stats {
  margin-top: 96px;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}
.stat {
  padding: 32px 24px;
  display: flex; flex-direction: column; gap: 12px;
  border-right: 1px solid var(--rule);
}
.stat:last-child { border-right: none; }
.stat-num { font-family: var(--sans); font-size: clamp(36px, 4vw, 56px); font-weight: 500; letter-spacing: -0.02em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--subtle-text); }
.sus-foot {
  margin-top: 24px; font-size: 12.5px; color: var(--subtle-text);
  font-family: var(--mono); line-height: 1.6; max-width: 720px;
}

/* Learn */
.sec--learn { background: var(--ink); color: var(--bg); }
.sec--learn .sec-label { color: rgba(255,255,255,0.55); }
.sec--learn .sec-label span:first-child { background: var(--bg); color: var(--ink); }
.sec--learn .sec-sub { color: rgba(255,255,255,0.7); }

.learn-filter {
  display: inline-flex; gap: 8px; align-items: center; margin-bottom: 40px;
}
.chip {
  appearance: none; border: 1px solid rgba(255,255,255,0.2); background: transparent; color: var(--bg);
  padding: 9px 16px; border-radius: 999px; font-family: var(--sans); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all 0.15s;
}
.chip:hover { border-color: rgba(255,255,255,0.5); }
.chip--on { background: var(--bg); color: var(--ink); border-color: var(--bg); }
.learn-count { margin-left: 14px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: rgba(255,255,255,0.55); }

.course-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.course {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px; overflow: hidden; transition: transform 0.2s, border-color 0.2s;
  display: flex; flex-direction: column;
}
.course:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.2); }
.course-media { position: relative; aspect-ratio: 16/10; overflow: hidden; background: #1e2019; }
.course-img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s ease; }
.course:hover .course-img { transform: scale(1.04); }
.course-play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: color-mix(in oklab, var(--bg) 90%, transparent); color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.course-body { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.course-tag {
  display: inline-block; width: fit-content;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.7); padding: 4px 9px;
  border: 1px solid rgba(255,255,255,0.18); border-radius: 999px;
}
.course-title { margin: 0; font-size: 20px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.2; }
.course-meta {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: rgba(255,255,255,0.55); display: inline-flex; gap: 8px; flex-wrap: wrap;
}

.learn-all {
  display: inline-block; margin-top: 48px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  padding-bottom: 4px; border-bottom: 1px solid rgba(255,255,255,0.2);
}
.learn-all:hover { color: var(--bg); border-bottom-color: var(--bg); }

/* CTA */
.sec--cta { position: relative; overflow: hidden; padding: calc(160px * var(--density)) 0; }
.cta-media { position: absolute; inset: 0; z-index: 0; }
.cta-media video { width: 100%; height: 100%; object-fit: cover; }
.cta-tint { position: absolute; inset: 0; background: linear-gradient(180deg, color-mix(in oklab, var(--ink) 55%, transparent), color-mix(in oklab, var(--ink) 75%, transparent)); }
.cta-inner { position: relative; z-index: 2; text-align: center; color: var(--bg); max-width: 820px; }
.cta-inner .sec-label { color: rgba(255,255,255,0.6); justify-content: center; }
.cta-h { margin: 28px 0 24px; color: var(--bg); }
.cta-sub { font-size: 18px; color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto; text-wrap: pretty; }

.cta-form {
  margin: 40px auto 24px; max-width: 520px;
  display: flex; gap: 6px; padding: 6px;
  background: color-mix(in oklab, var(--bg) 14%, transparent);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px; backdrop-filter: blur(16px);
}
.cta-form input {
  flex: 1; background: transparent; border: 0; outline: none;
  padding: 12px 18px; color: var(--bg); font: inherit; font-size: 15px;
}
.cta-form input::placeholder { color: rgba(255,255,255,0.5); }
.cta-form button {
  appearance: none; border: 0; cursor: pointer;
  background: var(--bg); color: var(--ink);
  padding: 12px 24px; border-radius: 999px; font: inherit; font-size: 14.5px; font-weight: 500;
  transition: background 0.15s;
}
.cta-form button:hover:not(:disabled) { background: var(--accent); color: var(--bg); }
.cta-form button:disabled { opacity: 0.75; cursor: default; }
.cta-alts {
  display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
  color: rgba(255,255,255,0.7);
}
.cta-alts a { color: var(--bg); border-bottom: 1px solid rgba(255,255,255,0.3); padding-bottom: 2px; }
.cta-alts a:hover { border-bottom-color: var(--bg); }

/* Footer */
.foot { background: var(--bg); border-top: 1px solid var(--rule); padding: 72px 0 40px; }
.foot-inner { display: flex; flex-direction: column; gap: 56px; }
.foot-brand { display: inline-flex; gap: 12px; align-items: center; font-size: 14px; color: var(--subtle-text); }
.foot-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.foot-cols > div { display: flex; flex-direction: column; gap: 10px; }
.foot-h { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--subtle-text); margin-bottom: 6px; }
.foot-cols a { font-size: 14px; color: var(--ink); transition: color 0.15s; }
.foot-cols a:hover { color: var(--accent); }
.foot-base {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 28px; border-top: 1px solid var(--rule);
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em; color: var(--subtle-text); text-transform: uppercase;
}

/* Responsive */
@media (max-width: 1024px) {
  .prod-grid, .course-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2n) { border-right: none; }
  .stat { border-bottom: 1px solid var(--rule); }
  .sus-grid, .lc, .sec-head--row { grid-template-columns: 1fr; gap: 40px; }
  .foot-cols { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .nav-inner { grid-template-columns: auto 1fr auto; }
  .hero-content--split { max-width: 100%; }
  .hero-split { display: none; }
}
@media (max-width: 640px) {
  .prod-grid, .course-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: none; }
  .nav-group-chip { display: none; }
  .sec { padding: 80px 0; }
  .hero { min-height: auto; padding-top: 120px; padding-bottom: 60px; }
  .foot-base { flex-direction: column; gap: 14px; align-items: flex-start; }
}