/* ============================================================
   CIVENTIQ — Landing styles
   Tokenized theming (3 directions) + components
   ============================================================ */

/* ---------- Theme tokens ---------- */
:root {
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Instrument Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 30px;

  --maxw: 1240px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* === Direction 1: Navy Corporate (default) === */
[data-theme="navy"] {
  --page-bg: #eef2f8;
  --ink: #0a1b3d;
  --muted: #5a6b86;
  --surface: #ffffff;
  --surface-2: #f5f8fc;
  --line: #dde5f0;
  --accent: #2563eb;
  --accent-2: #21c1e6;
  --accent-ink: #ffffff;

  --hero-bg: #081634;
  --hero-ink: #eaf1ff;
  --hero-muted: #9fb2d6;
  --hero-line: rgba(255, 255, 255, .10);
  --hero-card: rgba(255, 255, 255, .045);

  --band-bg: #081634;
  --band-ink: #eaf1ff;
  --band-muted: #9fb2d6;
  --band-line: rgba(255, 255, 255, .10);
  --band-card: rgba(255, 255, 255, .05);

  --node-bg: #0f2350;
  --node-line: rgba(130, 178, 255, .5);
  --glow: rgba(33, 193, 230, .55);
}

/* === Direction 2: Light Minimal === */
[data-theme="light"] {
  --page-bg: #fbfbf9;
  --ink: #14171c;
  --muted: #6b7178;
  --surface: #ffffff;
  --surface-2: #f4f4f1;
  --line: #e6e6e0;
  --accent: #2348ff;
  --accent-2: #2348ff;
  --accent-ink: #ffffff;

  --hero-bg: #fbfbf9;
  --hero-ink: #14171c;
  --hero-muted: #6b7178;
  --hero-line: #e6e6e0;
  --hero-card: #ffffff;

  --band-bg: #14171c;
  --band-ink: #f4f4f1;
  --band-muted: #a2a8b0;
  --band-line: rgba(255, 255, 255, .12);
  --band-card: rgba(255, 255, 255, .045);

  --node-bg: #ffffff;
  --node-line: #e6e6e0;
  --glow: rgba(35, 72, 255, .35);
}

/* === Direction 3: Dark Tech === */
[data-theme="dark"] {
  --page-bg: #07090f;
  --ink: #eef2f8;
  --muted: #8b93a4;
  --surface: #0e121c;
  --surface-2: #0a0d15;
  --line: rgba(255, 255, 255, .08);
  --accent: #3b82f6;
  --accent-2: #2ee6c8;
  --accent-ink: #06121f;

  --hero-bg: #07090f;
  --hero-ink: #eef2f8;
  --hero-muted: #8b93a4;
  --hero-line: rgba(255, 255, 255, .09);
  --hero-card: rgba(255, 255, 255, .04);

  --band-bg: #090c14;
  --band-ink: #eef2f8;
  --band-muted: #8b93a4;
  --band-line: rgba(255, 255, 255, .08);
  --band-card: rgba(255, 255, 255, .035);

  --node-bg: #0f1626;
  --node-line: rgba(90, 230, 220, .42);
  --glow: rgba(46, 230, 200, .5);
}

/* === Direction 4: Soft dark — like Dark everywhere, EXCEPT Results & Platform,
      which keep the Navy palette but with their background one tone darker === */
[data-theme="dim"] {
  --page-bg: #07090f;
  --ink: #eef2f8;
  --muted: #8b93a4;
  --surface: #0e121c;
  --surface-2: #0a0d15;
  --line: rgba(255, 255, 255, .08);
  --accent: #3b82f6;
  --accent-2: #2ee6c8;
  --accent-ink: #06121f;

  --hero-bg: #07090f;
  --hero-ink: #eef2f8;
  --hero-muted: #8b93a4;
  --hero-line: rgba(255, 255, 255, .09);
  --hero-card: rgba(255, 255, 255, .04);

  --band-bg: #090c14;
  --band-ink: #eef2f8;
  --band-muted: #8b93a4;
  --band-line: rgba(255, 255, 255, .08);
  --band-card: rgba(255, 255, 255, .035);

  --node-bg: #0f1626;
  --node-line: rgba(90, 230, 220, .42);
  --glow: rgba(46, 230, 200, .5);
}

/* Results (.benefits) & Platform (.product): Navy colors, background a tone darker */
[data-theme="dim"] .benefits,
[data-theme="dim"] .product {
  --ink: #0a1b3d;
  --muted: #5a6b86;
  --surface: #ffffff;
  --surface-2: #f5f8fc;
  --line: #dde5f0;
  --accent: #2563eb;
  --accent-2: #21c1e6;
  --accent-ink: #ffffff;
  --glow: rgba(33, 193, 230, .55);
  color: var(--ink);
}
[data-theme="dim"] .benefits {
  background:
    radial-gradient(1100px 520px at 12% -12%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 58%),
    radial-gradient(950px 520px at 102% 0%, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 55%),
    #d2dce9;
}
[data-theme="dim"] .product { background: #d2dce9; }
/* faint engineering grid over the Results panel */
.benefits::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--accent) 7%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 7%, transparent) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000, transparent 75%);
  mask-image: radial-gradient(120% 90% at 50% 0%, #000, transparent 75%);
}
.benefits .wrap { position: relative; z-index: 1; }

/* Banner over Results / Platform in Soft dark: Navy look, a tone darker */
[data-theme="dim"] .nav:not(.on-dark) {
  --page-bg: #d2dce9;
  --line: #dde5f0;
  --ink: #0a1b3d;
  --muted: #5a6b86;
  --accent: #2563eb;
  --accent-2: #21c1e6;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-snap-type: y proximity; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--page-bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background .5s var(--ease), color .5s var(--ease);
  overflow-x: hidden;
}
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; margin: 0; letter-spacing: -.02em; line-height: 1.04; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
.mono { font-family: var(--font-mono); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
section { position: relative; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  padding: 12px 20px; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; transition: transform .25s var(--ease), background .25s, box-shadow .25s, border-color .25s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary {
  background: var(--accent); color: var(--accent-ink);
  box-shadow: 0 8px 24px -8px var(--glow);
}
.btn-primary:hover { box-shadow: 0 14px 34px -8px var(--glow); transform: translateY(-1px); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost.on-dark { color: var(--band-ink); border-color: var(--band-line); }
.btn-ghost.on-dark:hover { border-color: var(--accent-2); color: var(--accent-2); }
.btn-lg { padding: 15px 26px; font-size: 16px; }

/* ---------- Eyebrow / labels ---------- */
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); display: inline-flex; align-items: center; gap: 9px;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-2) 22%, transparent); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .4s var(--ease), border-color .4s;
}
/* Banner: always 70% transparent. Color matches the page behind it —
   navy on dark pages (hero / The Engine / CTA), light on the light pages. */
.nav { background: color-mix(in srgb, var(--page-bg) 30%, transparent); border-bottom-color: var(--line); }
.nav.on-dark { background: color-mix(in srgb, var(--hero-bg) 30%, transparent); border-bottom-color: var(--hero-line); }
.nav.on-dark .nav-links a { color: rgba(234,241,255,.78); }
.nav.on-dark .nav-links a:hover { color: #fff; }
.nav.on-dark .logo-word { color: #eaf1ff; }
.nav.on-dark .lang { border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.06); }
.nav.on-dark .lang button { color: rgba(234,241,255,.72); }
.nav.on-dark .btn-ghost { border-color: rgba(255,255,255,.24); color: #eaf1ff; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 14.5px; color: var(--muted); font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-right { display: flex; align-items: center; gap: 14px; }

/* logo */
.logo { display: inline-flex; align-items: center; gap: 11px; }
.logo-mark { width: 34px; height: 34px; flex: 0 0 auto; }
.logo-word { font-family: var(--font-display); font-weight: 600; font-size: 22px; letter-spacing: -.03em; }
.logo-word b { color: var(--accent); font-weight: 600; }
/* Official CiventiQ wordmark — transparent bg; ink letters by default (light pages),
   white letters when the banner sits on a dark page. Blue accents are baked in. */
.logo-img { height: 34px; width: auto; display: block; }
.logo-img--white { display: none; }
.logo-img--ink { display: block; }
.nav.on-dark .logo-img--white { display: block; }
.nav.on-dark .logo-img--ink { display: none; }

/* lang toggle */
.lang { display: inline-flex; padding: 3px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); }
.lang button { border: 0; background: transparent; font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; letter-spacing: .08em; color: var(--muted); padding: 5px 11px; border-radius: 999px; cursor: pointer; transition: all .2s; }
.lang button.active { background: var(--accent); color: var(--accent-ink); }

/* ---------- Particle field (Civentiq flowing streams) ---------- */
.particle-field { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.hero > .wrap, .band > .wrap, .cta > .wrap { position: relative; z-index: 2; }
[data-theme="light"] .hero .particle-field { display: none; }

/* ---------- Hero ---------- */
.hero { background: var(--hero-bg); color: var(--hero-ink); overflow: hidden; padding: clamp(20px, 3.2vh, 44px) 0; transition: background .5s var(--ease); }
/* ===== Option D — graph as full-width backdrop, centered single column ===== */
/* full-screen page: hero box vertically centered in the viewport */
.hero-d { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; align-items: center; justify-content: center; margin-top: -70px; padding: 24px 0; scroll-snap-align: start; }
.hero-d > .wrap { position: relative; z-index: 2; width: 100%; }

.hero-backdrop { position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .42;
  -webkit-mask-image: radial-gradient(125% 108% at 50% 44%, #000 40%, transparent 84%), linear-gradient(to bottom, #000 58%, transparent 90%);
          mask-image: radial-gradient(125% 108% at 50% 44%, #000 40%, transparent 84%), linear-gradient(to bottom, #000 58%, transparent 90%);
  -webkit-mask-composite: source-in; mask-composite: intersect; }
.hero-backdrop svg.obs { position: absolute; inset: 0; width: 100%; height: 100%; aspect-ratio: auto; max-height: none;
  transform: scale(1.32); transform-origin: center; }
.hero-veil { position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(72% 66% at 50% 46%, color-mix(in srgb, var(--hero-bg) 66%, transparent), transparent 72%); }

.hero-center { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 16px; }
.hero-center .hero-brand { align-items: center; margin-bottom: 2px; }
.hero-d .hero-center h1 { text-align: center; max-width: 100%; margin: 0 auto; font-size: clamp(28px, 4.4vw, 60px); }
@media (min-width: 941px) { .hero-d .hero-center h1 { white-space: nowrap; max-width: none; } }
.hero-center .hero-sub { margin: 4px auto 0; text-align: center; max-width: 600px; }
.hero-center .hero-cta { margin-top: 16px; align-self: stretch; width: 100%; justify-content: flex-end; align-items: center; flex-wrap: nowrap; }
.hero-center .hero-cta .btn { width: 192px; justify-content: center; }
@media (max-width: 560px) { .hero-center .hero-cta { justify-content: center; flex-wrap: wrap; } }

/* hero brand block (tagline, portal style) */
.hero-brand { display: flex; flex-direction: column; gap: 9px; margin-bottom: 18px; }
.hero-tagline { font-family: var(--font-mono); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--hero-muted); }

/* AI assistant box */
.assistant { height: 100%; min-height: 0; display: flex; flex-direction: column; border-radius: var(--r-lg); background: var(--hero-card); border: 1px solid var(--hero-line); box-shadow: 0 40px 90px -50px rgba(0,0,0,.6); backdrop-filter: blur(4px); overflow: hidden; }
.asst-head { display: flex; align-items: center; gap: 12px; padding: 8px 16px; border-bottom: 1px solid var(--hero-line); }
.asst-mark { width: 32px; height: 32px; border-radius: 9px; background: color-mix(in srgb, var(--accent) 16%, transparent); display: grid; place-items: center; flex: 0 0 auto; box-shadow: inset 0 0 0 1px var(--hero-line); }
.asst-title { font-family: var(--font-display); font-weight: 600; font-size: 15px; color: var(--hero-ink); letter-spacing: -.01em; }
.asst-sub { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .04em; color: var(--hero-muted); margin-top: 2px; }
.asst-llm { margin-left: auto; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-2); border: 1px solid var(--hero-line); padding: 4px 9px; border-radius: 999px; }
.asst-body { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 11px; }
.asst-msg { max-width: 88%; font-size: 14px; line-height: 1.5; padding: 11px 14px; border-radius: 14px; }
.asst-msg.bot { align-self: flex-start; background: color-mix(in srgb, var(--hero-ink) 7%, transparent); color: var(--hero-ink); border: 1px solid var(--hero-line); border-bottom-left-radius: 5px; }
.asst-msg.user { align-self: flex-end; background: var(--accent); color: var(--accent-ink); border-bottom-right-radius: 5px; }
/* Claude-style blinking caret while the bot answer types in word-by-word */
.asst-msg.is-typing::after { content: "▌"; margin-left: 1px; color: var(--accent-2, var(--accent)); animation: asstCaret 1s steps(1) infinite; }
@keyframes asstCaret { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .asst-msg.is-typing::after { display: none; } }
.asst-suggest { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.asst-suggest button { font-family: var(--font-body); font-size: 12.5px; color: var(--accent-2); background: color-mix(in srgb, var(--hero-ink) 5%, transparent); border: 1px solid var(--hero-line); border-radius: 999px; padding: 7px 13px; cursor: pointer; transition: border-color .2s, background .2s; }
.asst-suggest button:hover { border-color: var(--accent-2); }
.asst-input-row { display: flex; gap: 9px; padding: 13px; border-top: 1px solid var(--hero-line); }
.asst-input { flex: 1; min-width: 0; font-family: var(--font-body); font-size: 14px; padding: 11px 15px; border-radius: 999px; border: 1px solid var(--hero-line); background: color-mix(in srgb, var(--hero-ink) 5%, transparent); color: var(--hero-ink); outline: none; transition: border-color .2s; }
.asst-input::placeholder { color: var(--hero-muted); }
.asst-input:focus { border-color: var(--accent-2); }
.asst-send { flex: 0 0 auto; width: 42px; height: 42px; border-radius: 50%; border: 0; background: var(--accent); color: var(--accent-ink); cursor: pointer; display: grid; place-items: center; transition: transform .2s; box-shadow: 0 8px 20px -8px var(--glow); }
.asst-send:hover { transform: translateY(-1px); }
.asst-send:disabled { opacity: .5; cursor: default; }
.asst-dots { display: inline-flex; gap: 4px; padding: 2px 0; }
.asst-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--hero-muted); animation: asstpulse 1s infinite; }
.asst-dots i:nth-child(2) { animation-delay: .15s; }
.asst-dots i:nth-child(3) { animation-delay: .3s; }
@keyframes asstpulse { 0%, 100% { opacity: .3; } 50% { opacity: 1; } }
.asst-input:disabled, .asst-send:disabled, .asst-suggest button:disabled { opacity: .5; cursor: not-allowed; }

/* ----- Ask CiventiQ launcher (glassy, like Book a demo, no arrow) ----- */
.btn-ask { background: color-mix(in srgb, var(--accent) 17%, transparent); color: var(--hero-ink);
  border: 1px solid var(--hero-line); -webkit-backdrop-filter: blur(7px); backdrop-filter: blur(7px); }
.btn-ask .logo-mark { width: 18px; height: 18px; object-fit: contain; flex: 0 0 auto; }
.btn-ask:hover { background: color-mix(in srgb, var(--accent) 27%, transparent); border-color: var(--accent-2); transform: translateY(-1px); box-shadow: 0 14px 34px -16px var(--glow); }
.btn-ask.is-open { border-color: var(--accent-2); background: color-mix(in srgb, var(--accent) 30%, transparent); }

/* ----- frosted chat popover (≤ quarter screen, see-through + blur) ----- */
.asst-scrim { position: fixed; inset: 0; z-index: 79; background: transparent; }
.assistant.assistant--pop {
  position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: min(92vw, 420px); height: min(58vh, 500px);
  border-radius: var(--r-lg); overflow: hidden; z-index: 80;
  background: color-mix(in srgb, var(--hero-bg) 32%, transparent);
  border: 1px solid rgba(255, 255, 255, .18);
  -webkit-backdrop-filter: blur(22px) saturate(150%); backdrop-filter: blur(22px) saturate(150%);
  box-shadow: 0 44px 120px -38px rgba(0, 0, 0, .8);
  animation: asstpop .26s var(--ease);
}
@keyframes asstpop { from { opacity: 0; transform: translate(-50%, -46%) scale(.96); } to { opacity: 1; transform: translate(-50%, -50%) scale(1); } }
.assistant--pop .asst-head { padding: 13px 16px; }
.assistant--pop .asst-close { margin-left: auto; flex: 0 0 auto; width: 28px; height: 28px; border-radius: 8px;
  border: 1px solid var(--hero-line); background: color-mix(in srgb, var(--hero-ink) 6%, transparent);
  color: var(--hero-ink); font-size: 19px; line-height: 1; cursor: pointer; display: grid; place-items: center; transition: border-color .2s, color .2s; }
.assistant--pop .asst-close:hover { border-color: var(--accent-2); color: var(--accent-2); }
.assistant--pop .asst-body { background: transparent; }
@media (prefers-reduced-motion: reduce) { .assistant.assistant--pop { animation: none; } }
@media (max-width: 560px) { .assistant.assistant--pop { width: 94vw; height: 72vh; } }
@media (max-width: 940px) { .hero-split { grid-template-columns: 1fr; } }
.hero h1 { font-size: clamp(40px, 5.6vw, 74px); font-weight: 600; }
.hero h1 .grad { background: linear-gradient(100deg, var(--accent) 0%, var(--accent-2) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { margin-top: 16px; font-size: clamp(17px, 1.5vw, 20px); line-height: 1.5; color: var(--hero-muted); max-width: 540px; }
.hero-cta { margin-top: 22px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-cta .btn-lg { padding: 11px 22px; font-size: 15px; }
.hero-trust { margin-top: 22px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; color: var(--hero-muted); font-size: 13px; }
.hero-trust .src { font-family: var(--font-mono); letter-spacing: .04em; }
.hero-eyebrow { color: var(--accent-2); margin-bottom: 22px; }

/* hero visual frame */
.viz-frame {
  position: relative; border-radius: var(--r-lg);
  background: var(--hero-card); border: 1px solid var(--hero-line);
  box-shadow: 0 40px 90px -50px rgba(0,0,0,.6);
  padding: 16px; backdrop-filter: blur(4px);
}
.viz-frame .viz-head { display: flex; align-items: center; gap: 8px; padding: 4px 6px 12px; }
.viz-frame .viz-head .ttl { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--hero-muted); text-transform: uppercase; margin-left: 6px; }
.viz-head .gv-mark { width: 9px; height: 9px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-2) 20%, transparent); animation: pulse 2.4s infinite; }
.dotrow { display: flex; gap: 6px; }
.dotrow i { width: 9px; height: 9px; border-radius: 50%; display: block; opacity: .7; }

/* ---------- Graph (ReactFlow-style) ---------- */
.flow { width: 100%; display: block; }
.flow .edge { fill: none; stroke: var(--node-line); stroke-width: 2; }
.flow .edge-flow { fill: none; stroke: var(--accent-2); stroke-width: 1.8; stroke-linecap: round; opacity: .9; filter: drop-shadow(0 0 4px var(--glow)); }
.flow-dot { fill: var(--accent-2); filter: drop-shadow(0 0 5px var(--glow)); }
.gnode { }
.gnode .box { fill: var(--node-bg); stroke: var(--node-line); stroke-width: 1.2; }
.gnode .box.accent { stroke: var(--accent); }
.gnode-label { font-family: var(--font-body); font-weight: 600; fill: var(--hero-ink); }
.gnode-sub { font-family: var(--font-mono); fill: var(--hero-muted); }

/* ---------- Obsidian-style knowledge graph ---------- */
.flow.obs { overflow: visible; width: 100%; height: auto; aspect-ratio: 600 / 470; display: block; }
.obs-edge { stroke: var(--node-line); stroke-width: 1; }
.obs-edge.leaf { stroke-opacity: .5; }
.obs-edge.ring { stroke-opacity: .42; }
.obs-edge.cross { stroke-opacity: .3; stroke-dasharray: 2 5; }
.obs-edge.spine { stroke: var(--accent); stroke-opacity: .6; stroke-width: 1.5; }
.obs-dot { stroke: var(--hero-bg); stroke-width: 1.5; }
.obs-node { cursor: grab; }
.obs-node.dragging { cursor: grabbing; }
.obs-core-bg { fill: var(--hero-bg); stroke: var(--accent-2); stroke-width: 1.6; filter: drop-shadow(0 0 13px var(--glow)); }
.obs-halo.core { fill: var(--accent-2); }
.flow-pulse { fill: var(--accent-2); filter: drop-shadow(0 0 6px var(--glow)); pointer-events: none; }
.obs-node.core .obs-dot { fill: var(--accent-2); filter: drop-shadow(0 0 12px var(--glow)); }
.obs-node.pillar .obs-dot { fill: var(--accent); filter: drop-shadow(0 0 7px var(--glow)); }
.obs-node.leaf .obs-dot { fill: var(--accent-2); opacity: .8; stroke-width: 0; }
.obs-halo { fill: var(--accent-2); opacity: .28; }
.obs-node.pillar .obs-halo { fill: var(--accent); }
.obs-label { text-anchor: middle; font-family: var(--font-body); fill: var(--hero-muted); pointer-events: none; }
.obs-node.core .obs-label { fill: var(--hero-ink); font-weight: 600; font-family: var(--font-display); letter-spacing: -.01em; }
.obs-node.pillar .obs-label { fill: var(--hero-ink); font-weight: 600; }
.obs-node.leaf .obs-label { fill: var(--hero-muted); font-family: var(--font-mono); letter-spacing: .01em; }

/* ---------- Metrics strip ---------- */
/* ===== Full-screen pages: each section fits one viewport ===== */
.metrics, .band, .benefits, .product, .cta { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; justify-content: center; scroll-snap-align: start; }

.metrics { padding: clamp(44px, 7vh, 84px) 0; background: var(--page-bg); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.benefits .metrics-grid { margin-top: clamp(16px, 2.4vh, 30px); }
.metric {
  padding: clamp(15px, 1.9vh, 22px) 20px clamp(34px, 4.4vh, 46px);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line); position: relative; overflow: hidden;
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 18px 40px -34px rgba(10,27,61,.5);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.metric::before {
  content: ""; position: absolute; top: 0; left: 0; height: 3px; width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0); transform-origin: left; transition: transform .9s var(--ease) .15s;
}
.metric.in::before { transform: scaleX(1); }
.metric:hover {
  transform: translateY(-5px);
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 28px 54px -30px color-mix(in srgb, var(--accent) 42%, transparent);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}
.metric .num {
  font-family: var(--font-display); font-weight: 600; font-size: clamp(28px, 3.1vw, 40px);
  letter-spacing: -.03em; line-height: 1;
  background: linear-gradient(180deg, var(--ink), #1d4ed8);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.metric .lab { margin-top: 6px; font-size: 12.5px; color: var(--muted); }
.metric .spark { position: absolute; left: 0; right: 0; bottom: 0; opacity: .85; }
.metric .spark svg { width: 100%; }

/* ---------- Section heading ---------- */
.sec-head { max-width: 720px; }
.sec-head h2 { font-size: clamp(30px, 3.6vw, 46px); margin-top: 18px; }
.sec-head p { margin-top: 18px; font-size: 18px; line-height: 1.55; color: var(--muted); }

/* ---------- Engine (band / dark) ---------- */
.band { background: var(--band-bg); color: var(--band-ink); height: 100vh; height: 100dvh; padding: clamp(80px, 11vh, 112px) 0 clamp(20px, 3vh, 36px); overflow: hidden; transition: background .5s var(--ease); justify-content: flex-start; }
.band > .wrap { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; }
.band .sec-head { max-width: 760px; flex: 0 0 auto; }
.band .sec-head h2 { margin-top: 10px; }
.band .sec-head p { color: var(--band-muted); margin-top: 10px; font-size: 16px; line-height: 1.5; }
.band .eyebrow { color: var(--accent-2); }
/* Box hugs the graph's own contour (1080:440) instead of stretching to fill the viewport */
.engine-graph { margin-top: clamp(12px, 2vh, 22px); margin-bottom: auto; flex: 0 1 auto; width: 100%; max-width: calc((100dvh - 280px) * (1080 / 440)); aspect-ratio: 1080 / 440; max-height: 100%; box-sizing: border-box; border-radius: var(--r-lg); border: 1px solid var(--band-line); background: var(--band-card); padding: 12px; display: flex; }
.engine-graph .eng-svg { width: 100%; height: 100%; max-height: none; }

/* Engine Option E — stage rails + live CiventiQ Brain graph */
.eng-svg { width: 100%; display: block; }
.eg-lane { fill: color-mix(in srgb, var(--band-ink) 3%, transparent); stroke: var(--band-line); }
.eg-lanehead { fill: var(--band-muted); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .14em; text-anchor: middle; }
.eg-edge { stroke: var(--node-line); fill: none; stroke-width: 1; }
.eg-edge.spine { stroke: var(--accent); stroke-opacity: .62; stroke-width: 1.8; }
.eg-edge.leaf { stroke-opacity: .42; }
.eg-edge.cross { stroke-opacity: .28; stroke-dasharray: 2 5; }
.eg-halo { fill: var(--accent-2); opacity: .26; }
.eg-halo.pillar { fill: var(--accent); }
.eg-core-bg { fill: var(--band-bg); stroke: var(--accent-2); stroke-width: 1.6; filter: drop-shadow(0 0 12px var(--glow)); }
.eg-dot-pillar { fill: var(--accent); }
.eg-dot-leaf { fill: var(--accent-2); opacity: .82; }
.eg-dot-leaf.out { fill: #2ee6a6; }
.eg-lbl { text-anchor: middle; }
.eg-lbl-core { fill: var(--band-ink); font-family: var(--font-display); font-weight: 600; }
.eg-lbl-pillar { fill: var(--band-ink); font-family: var(--font-display); font-weight: 600; }
.eg-lbl-leaf { fill: var(--band-muted); font-family: var(--font-mono); }
.eg-box { fill: color-mix(in srgb, var(--band-ink) 4.5%, transparent); stroke: var(--band-line); }
.eg-box-dot { fill: var(--accent); }
.eg-box-label { fill: var(--band-ink); font-family: var(--font-display); font-weight: 600; }
.eg-box-sub { fill: var(--band-muted); font-family: var(--font-mono); letter-spacing: .03em; }
.eg-flowdot { fill: var(--accent-2); filter: drop-shadow(0 0 5px var(--glow)); }
.eg-edge, .eg-flowdot, .eg-lane, .eg-lanehead { pointer-events: none; }
@keyframes egHalo { 0%, 100% { opacity: .3; } 50% { opacity: .1; } }
.eg-halo.anim { animation: egHalo 3s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) { .eg-halo.anim { animation: none; } }

/* click-to-zoom */
.eng-clickwrap { flex: 1 1 auto; min-height: 0; width: 100%; display: flex; cursor: zoom-in; }
.eg-node text { pointer-events: none; }
.eg-pick-ring { fill: none; stroke: var(--accent-2); stroke-width: 1.6; opacity: 0; transition: opacity .2s; }
.eg-node.picked .eg-pick-ring { opacity: .9; }
.eg-node.picked .eg-box { stroke: var(--accent-2); fill: color-mix(in srgb, var(--accent-2) 12%, transparent); }
.eg-node.picked .eg-lbl-leaf, .eg-node.picked .eg-box-label { fill: var(--band-ink); }

.eg-zoom-scrim { position: fixed; inset: 0; z-index: 90; display: flex; align-items: center; justify-content: center; padding: 20px;
  background: color-mix(in srgb, var(--band-bg) 42%, transparent);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  animation: egScrimIn .42s var(--ease); }
.eg-zoom-scrim.closing { animation: egScrimOut .34s var(--ease) forwards; }
@keyframes egScrimIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes egScrimOut { from { opacity: 1; } to { opacity: 0; } }
/* same material as the original (unzoomed) box: band-card fill + band-line border */
.eg-zoom-panel { position: relative; width: min(95vw, 1600px); max-height: 92vh;
  background: var(--band-card);
  border: 1px solid var(--band-line); border-radius: var(--r-lg);
  box-shadow: 0 44px 120px -40px rgba(0, 0, 0, .7); padding: 16px 16px 14px;
  transform-origin: center center;
  animation: egZoomIn .44s cubic-bezier(.2, .7, .2, 1); }
.eg-zoom-panel.closing { animation: egZoomOut .34s cubic-bezier(.4, 0, .9, .4) forwards; }
@keyframes egZoomIn { from { opacity: 0; transform: scale(.66); } to { opacity: 1; transform: scale(1); } }
@keyframes egZoomOut { from { opacity: 1; transform: scale(1); } to { opacity: 0; transform: scale(.66); } }
@media (prefers-reduced-motion: reduce) { .eg-zoom-panel, .eg-zoom-scrim { animation: none; } }
.eg-zoom-stage { width: 100%; aspect-ratio: 1080 / 440; max-height: 78vh; }
.eg-zoom-stage .eng-svg { width: 100%; height: 100%; }
.eg-zoom-close { position: absolute; top: 12px; right: 12px; z-index: 2; width: 30px; height: 30px; border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, .18); background: color-mix(in srgb, var(--band-ink) 8%, transparent);
  color: var(--band-ink); font-size: 19px; line-height: 1; cursor: pointer; display: grid; place-items: center; transition: border-color .2s, color .2s; }
.eg-zoom-close:hover { border-color: var(--accent-2); color: var(--accent-2); }
.eg-zoom-detail { margin-top: 8px; min-height: 44px; border-top: 1px solid var(--band-line); padding-top: 10px; display: flex; flex-direction: column; gap: 3px; }
.eg-zd-title { font-family: var(--font-display); font-weight: 600; font-size: 15px; color: var(--band-ink); }
.eg-zd-desc { font-size: 13.5px; color: var(--band-muted); line-height: 1.45; }
.eg-zd-hint { font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: var(--band-muted); }

/* ---------- Benefits ---------- */
.benefits { padding: clamp(34px, 5vh, 64px) 0; }
.ben-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: clamp(14px, 2.2vh, 28px); }
.ben-card {
  padding: clamp(16px, 2vh, 26px) 24px; border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line); position: relative; overflow: hidden;
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 16px 38px -34px rgba(10,27,61,.45);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.ben-card::after {
  content: ""; position: absolute; inset: 0; opacity: 0; pointer-events: none;
  background: radial-gradient(440px 220px at 50% -8%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%);
  transition: opacity .4s var(--ease);
}
.ben-card:hover::after { opacity: 1; }
.ben-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 32px 60px -32px color-mix(in srgb, var(--accent) 45%, transparent);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}
.ben-card > * { position: relative; z-index: 1; }
.ben-idx {
  position: absolute; top: 16px; right: 20px; z-index: 1;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em;
  color: color-mix(in srgb, var(--accent) 55%, transparent);
}
.ben-card .ico {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 20%, #fff), color-mix(in srgb, var(--accent-2) 18%, #fff));
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  box-shadow: 0 10px 22px -12px color-mix(in srgb, var(--accent) 65%, transparent);
  color: var(--accent); margin-bottom: clamp(10px, 1.4vh, 16px);
  transition: transform .4s var(--ease);
}
.ben-card:hover .ico { transform: translateY(-2px) scale(1.06) rotate(-3deg); }
.ben-card h3 { font-size: 18.5px; }
.ben-card p { margin-top: 8px; color: var(--muted); font-size: 14px; line-height: 1.5; }

/* charts row */
.charts-row { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 18px; margin-top: clamp(12px, 1.8vh, 20px); }
.chart-card {
  padding: clamp(16px, 2vh, 24px); border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line); position: relative; overflow: hidden;
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 18px 44px -36px rgba(10,27,61,.5);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.chart-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 30px 56px -34px color-mix(in srgb, var(--accent) 40%, transparent);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}
.chart-card .ct { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.chart-card .cv { font-family: var(--font-display); font-weight: 600; font-size: 30px; margin-top: 4px; letter-spacing: -.02em; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-2) 70%, transparent); animation: livePulse 1.8s var(--ease) infinite; flex: 0 0 auto; }
@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-2) 60%, transparent); }
  70% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--accent-2) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-2) 0%, transparent); }
}
/* richer entrance for the Results cards: pop + stagger */
.benefits .reveal { transform: translateY(26px) scale(.985); }
.benefits .reveal.in { transform: none; }
.benefits .metrics-grid .metric:nth-child(1) { transition-delay: .04s; }
.benefits .metrics-grid .metric:nth-child(2) { transition-delay: .12s; }
.benefits .metrics-grid .metric:nth-child(3) { transition-delay: .20s; }
.benefits .metrics-grid .metric:nth-child(4) { transition-delay: .28s; }
@media (prefers-reduced-motion: reduce) {
  .live-dot { animation: none; }
  .benefits .reveal { transform: none; }
}

/* ---------- Product ---------- */
.product { padding: clamp(28px, 4vh, 56px) 0; background: var(--surface-2); }
.browser { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: 0 50px 100px -50px rgba(10,27,61,.55); background: var(--surface); margin-top: clamp(16px, 2.6vh, 32px); }
.browser-bar { display: flex; align-items: center; gap: 8px; padding: 13px 16px; border-bottom: 1px solid var(--line); background: var(--surface); }
.browser-bar .tl { display: flex; gap: 7px; }
.browser-bar .tl i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.browser-bar .url { margin-left: 12px; flex: 1; max-width: 380px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); background: var(--surface-2); border: 1px solid var(--line); border-radius: 7px; padding: 6px 12px; }
.browser img { display: block; width: 100%; max-height: 44vh; object-fit: cover; object-position: top center; }
.badge-live { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: #15a06a; }
.badge-live .pulse { width: 8px; height: 8px; border-radius: 50%; background: #1bbd7e; box-shadow: 0 0 0 0 rgba(27,189,126,.6); animation: pulse 2s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(27,189,126,.5)} 70%{box-shadow:0 0 0 9px rgba(27,189,126,0)} 100%{box-shadow:0 0 0 0 rgba(27,189,126,0)} }

/* ---------- CTA ---------- */
.cta { background: var(--band-bg); color: var(--band-ink); padding: clamp(48px, 8vh, 100px) 0; text-align: center; overflow: hidden; position: relative; }
.cta h2 { font-size: clamp(34px, 4.4vw, 56px); }
.cta p { margin: 22px auto 0; max-width: 560px; font-size: 18px; color: var(--band-muted); line-height: 1.55; }
.cta-form { margin: 38px auto 0; display: flex; gap: 12px; max-width: 470px; }
.cta-form input { flex: 1; font-family: var(--font-body); font-size: 15px; padding: 14px 18px; border-radius: 999px; border: 1px solid var(--band-line); background: var(--band-card); color: var(--band-ink); outline: none; transition: border-color .2s; }
.cta-form input::placeholder { color: var(--band-muted); }
.cta-form input:focus { border-color: var(--accent-2); }
.cta-note { margin-top: 16px; font-size: 13px; color: var(--band-muted); }
.cta-ok { margin-top: 20px; font-family: var(--font-mono); font-size: 14px; color: var(--accent-2); }
.cta-err { margin-top: 16px; font-family: var(--font-mono); font-size: 13px; color: #ff8a8a; }

/* ---------- Footer ---------- */
.foot { padding: 56px 0 40px; border-top: 1px solid var(--line); background: var(--page-bg); }
.foot-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; flex-wrap: wrap; }
.foot small { color: var(--muted); font-size: 13px; }
.foot .cols { display: flex; gap: 56px; flex-wrap: wrap; }
.foot .col h5 { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.foot .col a { display: block; font-size: 14px; color: var(--ink); margin-bottom: 9px; opacity: .8; transition: opacity .2s; }
.foot .col a:hover { opacity: 1; color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .ben-grid { grid-template-columns: 1fr; }
  .charts-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .cta-form { flex-direction: column; }
}

/* ======================================================================
   MOBILE ADAPTIVE LAYER — all additive, scoped to small screens / touch.
   Desktop (>940px, pointer:fine) receives none of these rules.
   ====================================================================== */

/* Desktop-default hidden states (the mobile-only DOM never shows on PC) */
.nav-burger { display: none; }
.nav-mobile { display: none; }
.eng-swipe-hint { display: none; }

/* ---- Mobile navigation: hamburger + full-screen drawer (≤940px) ---- */
@media (max-width: 940px) {
  .nav-right { display: none; }            /* links/lang/buttons move into the drawer */
  .nav-burger {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; margin-left: 4px; padding: 0;
    border: 1px solid var(--line); border-radius: 12px;
    background: var(--surface); color: var(--ink); cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }
  .nav.on-dark .nav-burger { border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.06); color: #eaf1ff; }

  .nav-mobile {
    display: flex; flex-direction: column;
    position: fixed; inset: 0; z-index: 80;
    padding: 16px 22px calc(env(safe-area-inset-bottom, 0px) + 26px);
    background: color-mix(in srgb, var(--page-bg) 95%, transparent);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .3s var(--ease), visibility .3s var(--ease);
  }
  .nav-mobile.open { opacity: 1; visibility: visible; pointer-events: auto; }
  .nav-mobile-head { display: flex; align-items: center; justify-content: space-between; height: 70px; }
  .nav-mobile-close {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; padding: 0;
    border: 1px solid var(--line); border-radius: 12px;
    background: var(--surface); color: var(--ink); cursor: pointer;
  }
  .nav-mobile-links { display: flex; flex-direction: column; gap: 2px; margin-top: 14px; }
  .nav-mobile-links a {
    font-family: var(--font-display); font-weight: 600; font-size: 25px; letter-spacing: -.02em;
    color: var(--ink); padding: 16px 4px; border-bottom: 1px solid var(--line);
    opacity: 0; transform: translateY(8px);
    transition: opacity .4s var(--ease), transform .4s var(--ease);
  }
  .nav-mobile.open .nav-mobile-links a { opacity: 1; transform: none; }
  .nav-mobile.open .nav-mobile-links a:nth-child(1) { transition-delay: .05s; }
  .nav-mobile.open .nav-mobile-links a:nth-child(2) { transition-delay: .11s; }
  .nav-mobile.open .nav-mobile-links a:nth-child(3) { transition-delay: .17s; }
  .nav-mobile.open .nav-mobile-links a:nth-child(4) { transition-delay: .23s; }
  .nav-mobile-foot { margin-top: auto; display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
  .nav-mobile-foot .lang { align-self: flex-start; }
  .nav-mobile-foot .btn { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  .nav-mobile-links a { transition: none; opacity: 1; transform: none; }
}

/* ---- Engine graph: horizontal swipe-scroll at legible size (≤760px) ---- */
@media (max-width: 760px) {
  /* Flex-column sections: pin the wrap to viewport width so wide content (the engine
     graph or the product screenshot) can't inflate the flex item and push text off-screen. */
  .band > .wrap, .product > .wrap, .benefits > .wrap, .metrics > .wrap, .cta > .wrap { min-width: 0; width: 100%; }
  .engine-graph {
    aspect-ratio: auto; height: 360px;
    width: 100%; min-width: 0; max-width: 100%;   /* min-width:0 lets the flex item shrink so its content scrolls inside */
    overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
  }
  .engine-graph .eng-clickwrap,
  .engine-graph .eng-svg { width: 860px; min-width: 860px; flex: 0 0 860px; }

  .eng-swipe-hint {
    display: inline-flex; align-items: center; gap: 6px; width: fit-content; margin: 10px auto 0;
    padding: 6px 14px; border-radius: 999px;
    font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
    color: var(--band-muted); border: 1px solid var(--band-line); background: var(--band-card);
    animation: swipeNudge 1.8s var(--ease) infinite;
  }
  .eng-swipe-hint svg { animation: swipeNudge 1.8s var(--ease) infinite; }

  /* zoom modal: make it scrollable & legible too */
  .eg-zoom-stage { aspect-ratio: auto; height: 56vh; max-height: 56vh; overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; }
  .eg-zoom-stage .eng-svg { width: 920px; min-width: 920px; height: 100%; }
}
@keyframes swipeNudge { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(5px); } }
@media (prefers-reduced-motion: reduce) { .eng-swipe-hint, .eng-swipe-hint svg { animation: none; } }

/* ---- Global: relax full-height snap so tall stacked content flows (≤760px) ---- */
@media (max-width: 760px) {
  html { scroll-snap-type: none; }
  .metrics, .band, .benefits, .product, .cta {
    min-height: auto; scroll-snap-align: none;
    padding-top: clamp(46px, 8vh, 72px); padding-bottom: clamp(46px, 8vh, 72px);
  }
}

/* ---- Hero CTA: stack full-width buttons (≤560px) ---- */
@media (max-width: 560px) {
  .hero-center .hero-cta { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-center .hero-cta .btn,
  .hero-center .hero-cta .btn-ask { width: 100%; justify-content: center; }

  /* Footer: stack columns */
  .foot-inner { flex-direction: column; gap: 28px; }
  .foot .cols { gap: 24px 30px; width: 100%; }
  .foot .col { flex: 1 1 40%; }

  /* Product: trim the screenshot height on small screens */
  .browser img { max-height: 38vh; }
}

/* ---- Very narrow phones: single-column stats (≤430px) ---- */
@media (max-width: 430px) {
  .metrics-grid { grid-template-columns: 1fr; }
}