/* =========================================================
   Gild — FORGE (variant-1)
   Cinematic, premium, dark industrial / rust-orange glow
   ========================================================= */

:root {
  /* Background — near-black forge */
  --bg-0: #0a0a0a;
  --bg-1: #0c0c0c;
  --bg-2: #121214;
  --bg-3: #1a1c1e;
  --bg-4: #25282c;

  /* Cards / borders */
  --card: #131416;
  --card-2: #1a1c1e;
  --border: #25282c;
  --border-2: #33373c;

  /* Accent — rust / burnt-orange (forge) */
  --rust: #CF4C23;
  --rust-deep: #b94a15;
  --rust-bright: #ea580c;
  --rust-amber: #f97316;
  --rust-warm: #e07020;
  --rust-glow: #ffb877;

  /* Status */
  --green: #22c55e;
  --blue: #2563eb;

  /* Text */
  --text-h: #f5f5f4;
  --white: #ffffff;
  --text-b: #d1d5db;
  --text-mut: #9ca3af;

  /* Layout */
  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --header-h: 72px;

  --serif: "Young Serif", Georgia, serif;
  --sans: "DM Sans", system-ui, sans-serif;
  --mono: "DM Mono", ui-monospace, monospace;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text-b);
  background: var(--bg-0);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--text-h);
  line-height: 1.06;
  font-weight: 400;
  margin: 0;
}

.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(80px, 12vw, 150px); position: relative; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-weight: 500;
  color: var(--rust-warm);
  margin: 0 0 18px;
}
.section-title {
  font-size: clamp(2.1rem, 4.4vw, 3.5rem);
  letter-spacing: -0.005em;
  margin-bottom: clamp(28px, 4vw, 48px);
  max-width: 20ch;
}

/* ---------- Wordmark logo ---------- */
.wordmark {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--white);
  letter-spacing: -0.01em;
  position: relative;
  display: inline-block;
  padding-right: 12px;
}
.wordmark .spark {
  position: absolute;
  right: 0; bottom: 0.42em;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--rust);
  box-shadow: 0 0 10px var(--rust-amber), 0 0 18px rgba(207,76,35,0.6);
  animation: spark 3.5s ease-in-out infinite;
}
@keyframes spark {
  0%, 100% { opacity: .85; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.25); }
}

/* ---------- Buttons ---------- */
.btn {
  font: 600 0.97rem/1 var(--sans);
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  transition: .25s;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn .arrow { transition: transform .25s; }
.btn:hover .arrow { transform: translateX(3px); }
.btn-primary {
  color: #fff;
  border-color: var(--rust-bright);
  background: linear-gradient(180deg, var(--rust-amber), var(--rust));
  box-shadow: 0 6px 26px rgba(207,76,35,0.42), inset 0 1px 0 rgba(255,255,255,0.22);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(207,76,35,0.62), inset 0 1px 0 rgba(255,255,255,0.3);
  background: linear-gradient(180deg, var(--rust-glow), var(--rust-amber));
}
.btn-ghost {
  background: transparent;
  border-color: var(--border-2);
  color: var(--text-b);
}
.btn-ghost:hover {
  border-color: var(--rust-warm);
  background: rgba(207,76,35,0.08);
  color: var(--white);
}
.btn-lg { padding: 17px 36px; font-size: 1.05rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  background: transparent;
  transition: background .35s, backdrop-filter .35s, border-color .35s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10,10,10,0.78);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}
.nav { display: flex; gap: 30px; margin-left: auto; }
.nav a {
  font-size: 0.93rem;
  color: var(--text-mut);
  position: relative;
  padding: 4px 0;
  transition: color .25s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--rust);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.nav a:hover { color: var(--white); }
.nav a:hover::after { transform: scaleX(1); }
.header-cta { margin-left: 8px; }

/* ---------- Burger ---------- */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}
.burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--white);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
body.nav-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .burger span:nth-child(2) { opacity: 0; }
body.nav-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(10,10,10,0.97);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity .35s, transform .35s, visibility .35s;
}
body.nav-open .mobile-menu { opacity: 1; visibility: visible; transform: none; }
.mobile-menu nav { display: flex; flex-direction: column; align-items: center; gap: 26px; }
.mobile-menu nav a {
  font-size: 1.6rem;
  font-family: var(--serif);
  color: var(--text-h);
}
.mobile-menu nav a:hover { color: var(--rust-warm); }
.mobile-cta { margin-top: 12px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  background:
    radial-gradient(120% 90% at 50% 120%, rgba(207,76,35,0.20), transparent 55%),
    linear-gradient(180deg, #0a0a0a 0%, #0c0c0c 60%, #08080a 100%);
}
.forge-glow {
  position: absolute;
  left: 50%; bottom: -34vw;
  transform: translateX(-50%);
  width: 130vw; height: 90vw;
  max-width: 1700px;
  background: radial-gradient(ellipse at 50% 100%,
    rgba(255,184,119,0.42) 0%,
    rgba(234,88,12,0.30) 22%,
    rgba(207,76,35,0.16) 45%,
    rgba(207,76,35,0) 70%);
  filter: blur(46px);
  z-index: 0;
  pointer-events: none;
  animation: forge-breathe 9s ease-in-out infinite;
}
@keyframes forge-breathe {
  0%, 100% { opacity: .82; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.06); }
}
.ember-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(207,76,35,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(207,76,35,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 80%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse at 50% 80%, #000 0%, transparent 72%);
}
.embers { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.ember {
  position: absolute;
  bottom: -10px;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--rust-glow);
  box-shadow: 0 0 8px var(--rust-amber);
  opacity: 0;
  animation: rise linear infinite;
}
@keyframes rise {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  12% { opacity: .9; }
  85% { opacity: .55; }
  100% { transform: translateY(-92vh) translateX(var(--drift, 0)) scale(.4); opacity: 0; }
}

.hero-inner { position: relative; z-index: 3; max-width: 880px; }
.hero-eyebrow { color: var(--rust-glow); }
.hero-title {
  font-size: clamp(2.9rem, 7.4vw, 5.9rem);
  letter-spacing: -0.01em;
  max-width: 15ch;
}
.hero-title .hot {
  background: linear-gradient(95deg, var(--rust-glow), var(--rust-amber) 45%, var(--rust));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  position: relative;
}
.hero-lead {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--text-b);
  max-width: 600px;
  margin-top: 26px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }
.trust-line {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--text-mut);
  margin-top: 30px;
}

/* ---------- Problem ---------- */
.problem { background: linear-gradient(180deg, #08080a, var(--bg-1)); }
.gap-viz {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(16px, 4vw, 48px);
  align-items: stretch;
  margin-top: 8px;
}
.gap-side {
  background: linear-gradient(180deg, rgba(26,28,30,0.7), rgba(19,20,22,0.5));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(24px, 4vw, 40px);
}
.gap-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-mut);
  display: block;
  margin-bottom: 18px;
}
.gap-list li {
  padding: 12px 0 12px 22px;
  border-top: 1px solid var(--border);
  position: relative;
  color: var(--text-b);
  font-size: 0.97rem;
}
.gap-list li:first-child { border-top: none; }
.gap-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 20px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--border-2);
}
.gap-divide {
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--rust), transparent);
  position: relative;
  border-radius: 2px;
}
.gap-spark {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--rust-amber);
  box-shadow: 0 0 18px var(--rust-amber), 0 0 36px rgba(207,76,35,0.7);
  animation: spark 3s ease-in-out infinite;
}
.problem-resolve {
  margin-top: clamp(32px, 5vw, 56px);
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.4;
  color: var(--text-h);
  max-width: 26ch;
}

/* ---------- How it works ---------- */
.how { background: var(--bg-1); }
.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
.how-lead { color: var(--text-mut); max-width: 46ch; margin-top: -16px; margin-bottom: 32px; }
.how-steps { display: flex; flex-direction: column; gap: 18px; }
.how-steps li { display: flex; gap: 16px; align-items: flex-start; color: var(--text-b); }
.step-no {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--rust-warm);
  flex-shrink: 0;
  padding-top: 2px;
}
/* Chat demo */
.chat-demo {
  background: linear-gradient(180deg, var(--card-2), var(--card));
  border: 1px solid var(--border-2);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.55), 0 0 0 1px rgba(207,76,35,0.16),
    0 0 60px rgba(207,76,35,0.12);
  position: relative;
}
.chat-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.5);
}
.chat-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}
.chat-title { font-family: var(--mono); font-size: 0.82rem; color: var(--text-b); letter-spacing: 0.03em; }
.chat-sms {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--rust-warm);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}
.chat-body {
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(207,76,35,0.07), transparent 60%);
}
.bubble {
  max-width: 82%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.92rem;
  line-height: 1.45;
  position: relative;
}
.bubble-name {
  display: block;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
  opacity: 0.7;
}
.bubble.in {
  align-self: flex-start;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-b);
  border-bottom-left-radius: 4px;
}
.bubble.out {
  align-self: flex-end;
  background: linear-gradient(180deg, var(--rust), var(--rust-deep));
  color: #fff;
  border-bottom-right-radius: 4px;
  box-shadow: 0 6px 20px rgba(207,76,35,0.35);
}
.bubble.out .bubble-name { color: rgba(255,255,255,0.85); }
.typing {
  align-self: flex-start;
  display: flex;
  gap: 5px;
  padding: 12px 16px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 16px;
  border-bottom-left-radius: 4px;
}
.typing span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text-mut);
  animation: blink 1.4s infinite both;
}
.typing span:nth-child(2) { animation-delay: .2s; }
.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; } 40% { opacity: 1; } }

/* ---------- Cards (shared) ---------- */
.card {
  background: linear-gradient(180deg, var(--card-2), var(--card));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .3s, border-color .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rust), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--rust);
  box-shadow: 0 18px 50px rgba(0,0,0,0.5), 0 0 28px rgba(207,76,35,0.18);
}
.card:hover::before { opacity: 1; }
.icon-box {
  width: 50px; height: 50px;
  border: 1px solid var(--border-2);
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(207,76,35,0.07);
  color: var(--rust-warm);
  margin-bottom: 20px;
  transition: box-shadow .3s, border-color .3s, color .3s;
}
.icon-box svg { width: 24px; height: 24px; }
.card:hover .icon-box {
  border-color: var(--rust);
  color: var(--rust-glow);
  box-shadow: 0 0 22px rgba(207,76,35,0.4);
}
.card h3 { font-size: clamp(1.25rem, 2.2vw, 1.45rem); margin-bottom: 10px; }
.card p { font-size: 0.94rem; color: var(--text-mut); margin: 0; }

/* ---------- Operations ---------- */
.operations { background: linear-gradient(180deg, var(--bg-1), #08080a); }
.grid-ops {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

/* ---------- Architecture ---------- */
.architecture { background: #08080a; }
.arch-lead { color: var(--text-mut); max-width: 50ch; margin: -16px 0 clamp(40px, 5vw, 56px); }
.arch-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.arch-flow::before {
  content: "";
  position: absolute;
  top: 38px; left: 8%; right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--rust-deep), var(--rust-amber), var(--rust));
  opacity: 0.45;
  z-index: 0;
}
.arch-stage {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, var(--card-2), var(--card));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.arch-stage:hover {
  border-color: var(--rust);
  transform: translateY(-4px);
  box-shadow: 0 18px 50px rgba(0,0,0,0.5), 0 0 28px rgba(207,76,35,0.18);
}
.arch-no {
  display: inline-grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--bg-0);
  border: 2px solid var(--rust);
  color: var(--rust-glow);
  font-family: var(--mono);
  font-size: 0.9rem;
  margin-bottom: 18px;
  box-shadow: 0 0 16px rgba(207,76,35,0.4);
}
.arch-stage h3 { font-size: 1.25rem; margin-bottom: 8px; }
.arch-stage p { font-size: 0.9rem; color: var(--text-mut); margin: 0 0 16px; }
.arch-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.arch-chips span {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--text-b);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  background: rgba(207,76,35,0.04);
}

/* ---------- Industries ---------- */
.industries { background: linear-gradient(180deg, #08080a, var(--bg-1)); }
.grid-ind {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.ind-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(28px, 3.5vw, 40px);
  background: linear-gradient(180deg, var(--card-2), var(--card));
  position: relative;
  overflow: hidden;
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.ind-card::after {
  content: "";
  position: absolute;
  top: -40px; right: -40px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(207,76,35,0.14), transparent 70%);
  opacity: 0;
  transition: opacity .35s;
  pointer-events: none;
}
.ind-card:hover {
  border-color: var(--rust);
  transform: translateY(-4px);
  box-shadow: 0 18px 50px rgba(0,0,0,0.5);
}
.ind-card:hover::after { opacity: 1; }
.ind-no {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--rust-warm);
  display: block;
  margin-bottom: 14px;
}
.ind-card h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 10px; }
.ind-card p { color: var(--text-mut); margin: 0; max-width: 40ch; }

/* ---------- Footer / Final CTA ---------- */
.footer {
  background: linear-gradient(180deg, var(--bg-1), #060606);
  border-top: 1px solid var(--border);
  padding-block: clamp(64px, 9vw, 120px) 48px;
}
.cta-band {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(56px, 8vw, 96px);
  position: relative;
  padding: clamp(44px, 6vw, 80px) 24px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(26,28,30,0.6), rgba(12,12,12,0.4));
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  left: 50%; bottom: -50%;
  transform: translateX(-50%);
  width: 700px; height: 500px;
  max-width: 120%;
  background: radial-gradient(ellipse at 50% 100%, rgba(234,88,12,0.32), rgba(207,76,35,0) 65%);
  filter: blur(40px);
  pointer-events: none;
  animation: forge-breathe 9s ease-in-out infinite;
}
.cta-eyebrow { position: relative; z-index: 1; }
.cta-band .section-title {
  position: relative;
  z-index: 1;
  margin-inline: auto;
  margin-bottom: 18px;
  max-width: 18ch;
}
.cta-lead { position: relative; z-index: 1; color: var(--text-mut); margin: 0 auto 32px; max-width: 44ch; }
.cta-band .btn { position: relative; z-index: 1; }

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}
.footer-mark { font-size: 1.4rem; margin-bottom: 16px; display: inline-block; }
.footer-tag { font-size: 0.95rem; color: var(--text-b); margin: 0 0 12px; max-width: 280px; }
.footer-copy { font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.04em; color: var(--text-mut); margin: 0; }
.footer-cols { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--rust-warm);
  margin-bottom: 4px;
}
.footer-col a { font-size: 0.9rem; color: var(--text-mut); transition: color .25s; }
.footer-col a:hover { color: var(--white); }

/* ---------- Reveal on scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1);
}
[data-reveal].in { opacity: 1; transform: none; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .grid-ops { grid-template-columns: repeat(2, 1fr); }
  .arch-flow { grid-template-columns: repeat(2, 1fr); }
  .arch-flow::before { display: none; }
}
@media (max-width: 900px) {
  .nav, .header-cta { display: none; }
  .burger { display: flex; }
  .how-grid { grid-template-columns: 1fr; }
  .how-lead { margin-top: 0; }
}
@media (max-width: 680px) {
  .grid-ops { grid-template-columns: 1fr; }
  .grid-ind { grid-template-columns: 1fr; }
  .arch-flow { grid-template-columns: 1fr; }
  .gap-viz { grid-template-columns: 1fr; }
  .gap-divide {
    width: auto; height: 2px;
    background: linear-gradient(90deg, transparent, var(--rust), transparent);
  }
  .footer-grid { flex-direction: column; gap: 36px; }
  .footer-cols { gap: 32px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .forge-glow, .cta-glow, .spark, .gap-spark, .ember, .typing span { animation: none; }
  [data-reveal] { transition: opacity .3s; transform: none; }
  .btn:hover, .card:hover, .arch-stage:hover, .ind-card:hover { transform: none; }
}