/* ============================================================
   Omnion.Dev — landing page styles
   ============================================================ */
:root {
  --bg: #09090B;
  --bg-2: #0d0d11;
  --surface: #0f1015;
  --panel: #111827;
  --text: #F3F4F6;
  --text-dim: #A1A1AA;
  --text-dimmer: #71717a;
  --accent: #10B981;
  --accent-hover: #00C896;
  --border: #27272A;
  --border-soft: #1c1c20;
  --glow: 1;                 /* multiplier toggled by tweaks (0 = minimal) */
  --radius: 14px;
  --maxw: 1200px;
  --font: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
::selection { background: color-mix(in oklch, var(--accent) 35%, transparent); color: #fff; }

/* subtle grid + ambient glow background */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 75%);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
section { position: relative; z-index: 1; }

/* ---------- typography helpers ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 calc(10px * var(--glow)) var(--accent);
}
.section-head { max-width: 760px; }
.section-title {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0;
  text-wrap: balance;
}
.section-desc {
  color: var(--text-dim);
  font-size: clamp(16px, 1.4vw, 19px);
  margin: 20px 0 0;
  max-width: 620px;
  text-wrap: pretty;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  height: 66px; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; }
.omnion-logo-svg { display: block; height: 22px; width: auto; }
.nav .logo .omnion-logo-svg { height: 18px; }
.footer .brand .logo .omnion-logo-svg { height: 18px; }
.logo-cursor {
  display: inline-block; flex-shrink: 0;
  width: 8px; height: 20px;
  background: var(--accent);
  border-radius: 1px;
  margin-left: 3px;
  margin-top: 3px;
  animation: blink 1.2s ease-in-out infinite;
}
.nav .logo .logo-cursor { width: 9px; height: 16px; }
.footer .brand .logo .logo-cursor { width: 9px; height: 16px; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .logo-cursor { animation: none; } }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  font-size: 14.5px; color: var(--text-dim); white-space: nowrap;
  transition: color .2s; position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 18px; }

.lang-switch {
  display: inline-flex; align-items: center;
  font-family: var(--mono); font-size: 12.5px;
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
.lang-switch button {
  background: transparent; border: 0; color: var(--text-dimmer);
  padding: 6px 11px; cursor: pointer; font: inherit; transition: .2s;
}
.lang-switch button.active { color: var(--bg); background: var(--accent); font-weight: 600; }
.lang-switch button:not(.active):hover { color: var(--text); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 14.5px; font-weight: 500; font-family: var(--font);
  padding: 11px 20px; border-radius: 10px;
  cursor: pointer; border: 1px solid transparent;
  transition: transform .15s ease, background .2s, border-color .2s, box-shadow .25s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent); color: #04130c; font-weight: 600;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent),
              0 6px calc(28px * var(--glow)) color-mix(in srgb, var(--accent) 30%, transparent);
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 0 0 1px var(--accent-hover), 0 8px calc(38px * var(--glow)) color-mix(in srgb, var(--accent-hover) 42%, transparent); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--text-dimmer); background: color-mix(in srgb, var(--text) 5%, transparent); }
.btn-sm { padding: 8px 15px; font-size: 13.5px; }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding: 84px 0 96px; }
.hero-inner {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 56px; align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; white-space: nowrap;
  font-family: var(--mono); font-size: 12.5px; color: var(--text-dim);
  padding: 6px 12px 6px 10px; border: 1px solid var(--border); border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 40%, transparent);
  margin-bottom: 28px;
}
.hero-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 calc(10px * var(--glow)) var(--accent); }
.hero h1 {
  font-size: clamp(38px, 5.4vw, 68px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0;
  text-wrap: balance;
  max-width: 13ch;
}
.hero .sub {
  color: var(--text-dim);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  margin: 26px 0 0;
  max-width: 50ch;
  text-wrap: pretty;
}
.hero-cta { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }

/* ---------- hero visuals (shared frame) ---------- */
.hero-visual { position: relative; min-height: 420px; }
.hero-visual .glow-blob {
  position: absolute; inset: -10% -5% 10% 5%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%);
  filter: blur(48px); opacity: calc(0.55 * var(--glow)); z-index: 0; pointer-events: none;
}
.viz { display: none; }
.viz.active { display: block; }

/* window chrome shared */
.win {
  position: relative; z-index: 1;
  background: linear-gradient(180deg, #0e0f14, #0b0c10);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(255,255,255,.02) inset;
  overflow: hidden;
}
.win-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 14px; border-bottom: 1px solid var(--border-soft);
  font-family: var(--mono); font-size: 12px; color: var(--text-dimmer);
}
.win-dots { display: flex; gap: 6px; margin-right: 8px; }
.win-dots i { width: 11px; height: 11px; border-radius: 50%; background: #2a2a30; display: block; }
.win-title { margin-left: auto; }

/* terminal */
.term-body { padding: 18px 18px 22px; font-family: var(--mono); font-size: 14px; line-height: 1.85; min-height: 250px; }
.term-line { white-space: pre-wrap; }
.term-line .prompt { color: var(--accent); margin-right: 8px; }
.term-line .cmd { color: var(--text); }
.term-line.ok { color: #86efac; }
.term-line.accent { color: var(--accent-hover); }
.term-line .blink { display: inline-block; width: 9px; height: 16px; background: var(--accent); vertical-align: -3px; margin-left: 2px; animation: blink 1.1s step-end infinite; }

/* dashboard */
.dash { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dash .win { padding: 0; }
.metric { padding: 18px; }
.metric .label { font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-dimmer); }
.metric .value { font-size: 30px; font-weight: 600; letter-spacing: -.02em; margin-top: 8px; }
.metric .delta { font-family: var(--mono); font-size: 12.5px; color: var(--accent); margin-top: 6px; }
.metric.span2 { grid-column: 1 / -1; }
.spark { display: flex; align-items: flex-end; gap: 6px; height: 64px; margin-top: 14px; }
.spark i { flex: 1; background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 15%, transparent)); border-radius: 3px 3px 0 0; display: block; opacity: .9; }
.dash-float { animation: float 7s ease-in-out infinite; }
.dash-float:nth-child(2) { animation-delay: -2.3s; }
.dash-float:nth-child(3) { animation-delay: -4.6s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
@media (prefers-reduced-motion: reduce){ .dash-float { animation: none; } }

/* chat */
.chat-body { padding: 18px; display: flex; flex-direction: column; gap: 12px; min-height: 280px; }
.bubble { max-width: 80%; padding: 12px 15px; border-radius: 14px; font-size: 14px; line-height: 1.5; }
.bubble.user { align-self: flex-end; background: var(--accent); color: #04130c; border-bottom-right-radius: 5px; }
.bubble.bot { align-self: flex-start; background: #16171d; border: 1px solid var(--border); border-bottom-left-radius: 5px; }
.bubble.bot .who { font-family: var(--mono); font-size: 11px; color: var(--accent); display: block; margin-bottom: 5px; }
.chat-products { display: flex; gap: 8px; }
.chat-products .p { flex: 1; border: 1px solid var(--border); border-radius: 10px; padding: 10px; background: #101116; }
.chat-products .p .ph { height: 42px; border-radius: 6px; background: linear-gradient(135deg,#1c1d24,#15161b); margin-bottom: 8px; }
.chat-products .p .nm { font-size: 11.5px; color: var(--text-dim); }
.chat-products .p .pr { font-size: 12.5px; font-weight: 600; color: var(--text); margin-top: 2px; }
.typing { display: inline-flex; gap: 4px; align-items: center; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--text-dimmer); animation: typ 1.2s infinite; }
.typing i:nth-child(2){ animation-delay:.2s } .typing i:nth-child(3){ animation-delay:.4s }
@keyframes typ { 0%,60%,100%{ opacity:.3; transform: translateY(0);} 30%{ opacity:1; transform: translateY(-3px);} }

/* architecture */
.arch { position: relative; z-index: 1; padding: 30px; aspect-ratio: 1 / 0.86; }
.arch svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.arch .node {
  position: absolute; transform: translate(-50%,-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 12px; color: var(--text-dim);
}
.arch .node .chip {
  width: 64px; height: 64px; border-radius: 16px;
  display: grid; place-items: center;
  background: linear-gradient(180deg,#13141a,#0e0f13); border: 1px solid var(--border);
  box-shadow: 0 8px 24px -10px rgba(0,0,0,.7);
}
.arch .node.core .chip { width: 86px; height: 86px; border-color: color-mix(in srgb,var(--accent) 55%, var(--border)); box-shadow: 0 0 calc(40px*var(--glow)) color-mix(in srgb,var(--accent) 35%, transparent); }
.arch .node.core .chip span { color: var(--accent); font-weight: 600; }
.arch .node .chip span { font-size: 13px; color: var(--text); }
.arch .edge { stroke: var(--border); stroke-width: 1.4; fill: none; }
.arch .pulse { stroke: var(--accent); stroke-width: 1.6; fill: none; stroke-dasharray: 7 220; opacity: calc(.9*var(--glow)); animation: dash 3.4s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -227; } }
@media (prefers-reduced-motion: reduce){ .arch .pulse { animation: none; } }

/* ============================================================
   TRUST / marquee
   ============================================================ */
.trust { padding: 30px 0 70px; }
.trust .eyebrow { margin-bottom: 16px; }
.trust h2 {
  font-size: clamp(22px, 2.6vw, 32px); font-weight: 500; line-height: 1.2;
  letter-spacing: -.02em; max-width: 820px; margin: 0 0 36px; text-wrap: balance;
  color: var(--text);
}
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tags .tag {
  font-family: var(--mono); font-size: 13px; color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 999px; padding: 8px 15px;
  background: color-mix(in srgb, var(--panel) 30%, transparent);
  transition: .2s;
}
.tags .tag:hover { color: var(--text); border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }

/* ============================================================
   SERVICES
   ============================================================ */
.services { padding: 80px 0; }
.services .section-head { margin-bottom: 48px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #0e0f14, var(--surface));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px 28px; transition: border-color .3s, transform .3s, background .3s;
}
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(420px 220px at var(--mx,50%) var(--my,0%), color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%);
  opacity: 0; transition: opacity .35s; pointer-events: none;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); transform: translateY(-3px); }
.card:hover::after { opacity: calc(1 * var(--glow)); }
.card .ic {
  width: 42px; height: 42px; border-radius: 11px; margin-bottom: 18px;
  display: grid; place-items: center; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}
.card h3 { font-size: 18.5px; font-weight: 600; margin: 0 0 9px; letter-spacing: -.01em; }
.card p { color: var(--text-dim); font-size: 15px; margin: 0; line-height: 1.55; }
.card .idx { position: absolute; top: 22px; right: 24px; font-family: var(--mono); font-size: 12px; color: var(--text-dimmer); }

/* ============================================================
   DIFFERENTIALS
   ============================================================ */
.diff { padding: 80px 0; }
.diff-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.diff-list { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 0; }
.diff-list .di {
  display: flex; align-items: center; gap: 12px; padding: 16px 4px;
  border-top: 1px solid var(--border-soft); font-size: 15.5px; color: var(--text);
}
.diff-list .di .chk { color: var(--accent); flex: none; display: grid; place-items: center; }
.diff-list .di:hover { color: #fff; }

/* ============================================================
   AI COMMERCE
   ============================================================ */
.aic { padding: 90px 0; position: relative; }
.aic::before {
  content: ""; position: absolute; left: 50%; top: 0; transform: translateX(-50%);
  width: 700px; height: 360px;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 16%, transparent), transparent);
  filter: blur(60px); opacity: calc(.7*var(--glow)); pointer-events: none; z-index: 0;
}
.aic .wrap { position: relative; z-index: 1; }
.aic .section-head { margin: 0 auto 48px; text-align: center; }
.aic .section-desc { margin-left: auto; margin-right: auto; }
.aic .eyebrow { display: inline-flex; }
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feat {
  border: 1px solid var(--border); border-radius: 12px; padding: 20px 18px;
  background: color-mix(in srgb, var(--panel) 26%, transparent);
  transition: .3s; display: flex; flex-direction: column; gap: 12px; min-height: 124px;
}
.feat:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); transform: translateY(-3px); background: color-mix(in srgb, var(--panel) 45%, transparent); }
.feat .ic { color: var(--accent); display: flex; }
.feat .ic svg { width: 24px; height: 24px; }
.card .ic svg { width: 22px; height: 22px; }
.feat .t { font-size: 14.5px; font-weight: 500; color: var(--text); line-height: 1.35; margin-top: auto; }

/* ============================================================
   FINAL CTA
   ============================================================ */
.final { padding: 60px 0 100px; }
.final-card {
  position: relative; overflow: hidden;
  border: 1px solid var(--border); border-radius: 22px;
  padding: 52px 48px;
  background: linear-gradient(180deg, #0d0e13, #0a0b0e);
}
.final-card::before {
  content: ""; position: absolute; left: 50%; bottom: -60%; transform: translateX(-50%);
  width: 760px; height: 600px;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 26%, transparent), transparent);
  filter: blur(50px); opacity: calc(.8*var(--glow)); pointer-events: none;
}
.final-card .inner { position: relative; z-index: 1; }
.final-card h2 {
  font-size: clamp(28px, 3.4vw, 42px); font-weight: 500; line-height: 1.06;
  letter-spacing: -.03em; margin: 18px 0 0; max-width: 18ch; text-wrap: balance;
}
.final-card p { color: var(--text-dim); font-size: clamp(16px,1.5vw,18px); margin: 18px 0 0; max-width: 42ch; text-wrap: pretty; }

/* contact layout */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; text-align: left; }
.contact-intro .eyebrow { display: inline-flex; }
.contact-points { list-style: none; margin: 32px 0 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.contact-points li { display: flex; align-items: center; gap: 12px; color: var(--text-dim); font-size: 15px; }
.contact-points li a { color: var(--text); transition: color .2s; }
.contact-points li a:hover { color: var(--accent); }
.contact-points .ic {
  width: 36px; height: 36px; flex: none; border-radius: 10px; display: grid; place-items: center;
  color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
}
.contact-points .ic svg { width: 18px; height: 18px; }

/* form */
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field label { font-family: var(--mono); font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--text-dimmer); }
.field input, .field select, .field textarea {
  width: 100%; background: #0a0b0f; border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); font-family: var(--font); font-size: 15px; padding: 12px 14px;
  transition: border-color .2s, box-shadow .2s, background .2s; appearance: none;
}
.field textarea { resize: vertical; min-height: 104px; line-height: 1.5; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-dimmer); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: color-mix(in srgb, var(--accent) 65%, var(--border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
  background: #0c0d12;
}
.field input.invalid, .field textarea.invalid { border-color: #ef4444; box-shadow: 0 0 0 3px color-mix(in srgb, #ef4444 16%, transparent); }
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23A1A1AA' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; cursor: pointer;
}
.field select option { background: #0c0d12; color: var(--text); }
.contact-form .btn-primary { margin-top: 4px; justify-content: center; padding: 13px 20px; }
.form-note { font-family: var(--mono); font-size: 13px; margin: 2px 0 0; min-height: 1px; }
.form-note.error { color: #f87171; }

/* success state */
.form-success { text-align: left; padding: 8px 0; }
.form-success .badge {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  box-shadow: 0 0 calc(28px * var(--glow)) color-mix(in srgb, var(--accent) 30%, transparent); margin-bottom: 20px;
}
.form-success h3 { font-size: 21px; font-weight: 600; margin: 0 0 8px; letter-spacing: -.01em; }
.form-success p { color: var(--text-dim); font-size: 15px; margin: 0 0 22px; max-width: 36ch; line-height: 1.55; }
.form-success .again { font-family: var(--mono); font-size: 13px; color: var(--accent); background: none; border: 0; cursor: pointer; padding: 0; display: inline-flex; align-items: center; gap: 7px; }
.form-success .again:hover { color: var(--accent-hover); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--border); padding: 64px 0 40px; position: relative; z-index: 1; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer .brand .omnion-logo-svg { height: 24px; }
.footer .brand p { color: var(--text-dim); font-size: 14.5px; margin: 20px 0 22px; max-width: 30ch; line-height: 1.55; }
.footer .social { display: flex; gap: 10px; }
.footer .social a {
  width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--border);
  display: grid; place-items: center; color: var(--text-dim); transition: .2s;
}
.footer .social a:hover { color: var(--text); border-color: var(--text-dimmer); }
.footer .fg h4 { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-dimmer); margin: 0 0 16px; font-weight: 500; }
.footer .fg a { display: block; color: var(--text-dim); font-size: 14.5px; padding: 6px 0; transition: color .2s; }
.footer .fg a:hover { color: var(--text); }
.footer-bottom {
  margin-top: 50px; padding-top: 26px; border-top: 1px solid var(--border-soft);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 13.5px; color: var(--text-dimmer); font-family: var(--mono);
}

/* ============================================================
   reveal on scroll
   ============================================================ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){ .reveal { opacity: 1; transform: none; transition: none; } }

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero .sub { max-width: 60ch; }
  .cards { grid-template-columns: 1fr 1fr; }
  .feat-grid { grid-template-columns: repeat(2,1fr); }
  .diff-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer .brand { grid-column: 1 / -1; }
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  .wrap, .nav-inner { padding-left: 20px; padding-right: 20px; }
  .hero { padding: 52px 0 64px; }
  .cards { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .diff-list { grid-template-columns: 1fr; }
  .final-card { padding: 36px 22px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .field-row { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .lang-switch { display: none; }
}