/* =========================================================================
   Oxium · oxium.ai
   The pitch-page graph-paper grid (carbon-pitch page-shell.md, 46px) on the
   Oxium glass skin: navy-black ground, ice-cyan → azure → violet → pink.
   Display: Clash. Text: Satoshi.
   ========================================================================= */

@font-face { font-family: "Clash"; src: url("assets/fonts/clash-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Clash"; src: url("assets/fonts/clash-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("assets/fonts/satoshi-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("assets/fonts/satoshi-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("assets/fonts/satoshi-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --bg: #05070c;
  --bg-2: #080b13;
  --surface: #0d111a;
  --surface-2: #131824;
  --line: rgba(214, 232, 255, 0.13);
  --line-soft: rgba(214, 232, 255, 0.07);
  --grid-line: rgba(110, 200, 245, 0.06);

  --text: #eef4fb;
  --text-2: #a3b0c2;
  --text-3: #8a97aa;

  --accent: #6ec8f5;
  --accent-2: #b8e8fc;
  --accent-ink: #04070d;

  --glass: linear-gradient(100deg, #c9efff 0%, #6ec8f5 28%, #4f8dff 55%, #9b8cff 80%, #e4a8ff 100%);
  --glass-glow: 0 0 0 1px rgba(110, 200, 245, 0.10), 0 18px 50px -14px rgba(79, 141, 255, 0.45), 0 10px 40px -18px rgba(155, 140, 255, 0.45);

  --font: "Satoshi", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --display: "Clash", "Satoshi", -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1120px;
  --gutter: clamp(16px, 5vw, 32px);
  --section-y: clamp(72px, 11vh, 128px);
  --radius: 18px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------- Base --------------------------------- */
* { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
/* graph-paper canvas. body MUST stay transparent or it paints over the grid */
body::before { content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-color: var(--bg);
  background-image:
    radial-gradient(70% 45% at 50% -8%, rgba(79, 141, 255, 0.16), transparent 62%),
    radial-gradient(45% 35% at 100% 8%, rgba(110, 200, 245, 0.07), transparent 60%),
    radial-gradient(50% 40% at 0% 100%, rgba(155, 140, 255, 0.07), transparent 60%),
    repeating-linear-gradient(115deg, rgba(214, 232, 255, 0.012) 0 1px, transparent 1px 9px),
    linear-gradient(to right,  var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px),
    linear-gradient(168deg, var(--surface-2), var(--bg) 46%, var(--bg-2));
  background-size: auto, auto, auto, auto, 46px 46px, 46px 46px, auto; }
/* fade the grid out toward the bottom edges so it reads as texture, not a table */
body::after { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 0%, transparent 55%, rgba(5, 7, 12, 0.75) 100%); }
body {
  margin: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: var(--accent-ink); }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: 760px; }
.center { text-align: center; }
.section { padding-block: var(--section-y); position: relative; }
.section + .section { border-top: 1px solid var(--line-soft); }

h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(40px, 6.4vw, 76px); line-height: 1.02; max-width: 15ch; margin-inline: auto; }
h2 { font-size: clamp(30px, 4.2vw, 48px); line-height: 1.08; }
h3 { font-size: 26px; line-height: 1.15; }

.eyebrow {
  margin: 0 0 18px; font-size: 13px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  background: var(--glass); -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.glass {
  background: var(--glass); -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.sub, .lede { color: var(--text-2); font-size: clamp(17px, 1.6vw, 20px); margin: 20px 0 0; }
.lede { max-width: 34em; margin-inline: auto; }
.center .sub { max-width: 36em; margin-inline: auto; }
.head { text-align: center; max-width: 720px; margin: 0 auto clamp(40px, 6vh, 64px); }

/* -------------------------------- Buttons ------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 26px; border-radius: 999px; font-weight: 700; font-size: 16px;
  transition: box-shadow 0.4s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background:
    linear-gradient(180deg, rgba(22, 30, 46, 0.86), rgba(9, 13, 22, 0.86)) padding-box,
    var(--glass) border-box;
  border: 1.5px solid transparent; color: var(--text); box-shadow: var(--glass-glow);
  -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%);
}
.btn--primary:hover { box-shadow: 0 0 0 1px rgba(110, 200, 245, 0.18), 0 22px 60px -14px rgba(79, 141, 255, 0.6), 0 12px 48px -16px rgba(155, 140, 255, 0.6); }
.btn--ghost { border: 1px solid var(--line); color: var(--text-2); background: rgba(13, 17, 26, 0.5); }
.btn--ghost:hover { border-color: rgba(110, 200, 245, 0.55); color: var(--text); box-shadow: 0 0 24px -8px rgba(110, 200, 245, 0.5); }
.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }

/* ---------------------------------- Nav --------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(5, 7, 12, 0.62); border-bottom: 1px solid var(--line-soft);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; letter-spacing: 0.16em; font-size: 16px; }
.brand img { width: 34px; height: auto; }

/* ---------------------------------- Hero -------------------------------- */
.hero { padding-block: clamp(80px, 16vh, 168px) clamp(72px, 12vh, 128px); text-align: center; }
.hero__cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }
.chips { list-style: none; padding: 0; margin: 40px 0 0; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.chips li {
  font-size: 13px; color: var(--text-2); padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(13, 17, 26, 0.55);
}

/* --------------------------------- Problem ------------------------------ */
.prose { margin-top: 28px; color: var(--text-2); font-size: 18px; }
.prose p { margin: 0 0 16px; }
.ticks { list-style: none; padding: 0; margin: 8px 0 28px; display: grid; gap: 10px; }
.ticks li {
  position: relative; padding: 14px 18px 14px 46px; border-radius: 14px;
  background: rgba(13, 17, 26, 0.72); border: 1px solid var(--line-soft); color: var(--text);
}
.ticks li::before {
  content: ""; position: absolute; left: 18px; top: 50%; width: 12px; height: 12px; margin-top: -6px;
  border-radius: 50%; background: var(--glass); box-shadow: 0 0 12px rgba(110, 200, 245, 0.5);
}
.pull { font-family: var(--display); font-size: clamp(24px, 3vw, 32px); line-height: 1.2; color: var(--text); margin-top: 8px !important; }

/* -------------------------------- Framework ----------------------------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step {
  position: relative; padding: 30px 28px 28px; border-radius: var(--radius);
  background: rgba(13, 17, 26, 0.82); border: 1px solid var(--line);
  transition: box-shadow 0.4s var(--ease), background 0.4s var(--ease);
}
.step:hover {
  border-color: transparent;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(140deg, rgba(110, 200, 245, 0.55), rgba(79, 141, 255, 0.25), rgba(155, 140, 255, 0.55)) border-box;
  box-shadow: 0 30px 60px -28px rgba(0, 0, 0, 0.7), 0 0 40px -18px rgba(79, 141, 255, 0.45);
}
.step__num { display: block; font-family: var(--display); font-size: 15px; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 18px; }
.step p { color: var(--text-2); margin: 12px 0 20px; }
.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tags li { font-size: 12px; color: var(--accent-2); padding: 5px 10px; border-radius: 999px; background: rgba(110, 200, 245, 0.09); border: 1px solid rgba(110, 200, 245, 0.16); }

/* ------------------------------- Your / our ----------------------------- */
.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 20px; max-width: 900px; margin-inline: auto; }
.split__col { padding: 32px 30px; border-radius: var(--radius); background: rgba(13, 17, 26, 0.82); border: 1px solid var(--line); }
.split__col--ours {
  border-color: transparent;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(140deg, rgba(201, 239, 255, 0.5), rgba(79, 141, 255, 0.2) 45%, rgba(155, 140, 255, 0.2) 60%, rgba(228, 168, 255, 0.45)) border-box;
  box-shadow: 0 30px 90px -50px rgba(79, 141, 255, 0.5);
}
.split .eyebrow { margin-bottom: 14px; }
.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; font-size: 18px; }
.list li { padding-left: 26px; position: relative; }
.list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* --------------------------------- Booking ------------------------------ */
.cal {
  max-width: 1000px; margin-inline: auto; border-radius: var(--radius); overflow: hidden;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(140deg, rgba(201, 239, 255, 0.45), rgba(79, 141, 255, 0.15) 40%, rgba(155, 140, 255, 0.15) 60%, rgba(228, 168, 255, 0.4)) border-box;
  box-shadow: 0 40px 120px -40px rgba(79, 141, 255, 0.4);
}
.cal iframe { display: block; width: 100%; height: 720px; border: 0; }

/* --------------------------------- Footer ------------------------------- */
.footer { border-top: 1px solid var(--line-soft); padding-block: 48px; background: rgba(5, 7, 12, 0.6); }
.footer__inner { display: grid; gap: 10px; justify-items: center; text-align: center; color: var(--text-3); font-size: 14px; }
.footer__inner p { margin: 0; }
.footer .brand { color: var(--text); font-size: 14px; }
.footer .brand img { width: 28px; }
.footer__legal { font-size: 13px; }

/* --------------------------------- Motion ------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ------------------------------- Responsive ----------------------------- */
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
  .split { grid-template-columns: 1fr; max-width: 520px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero__cta .btn { width: 100%; }
  .cal iframe { height: 1000px; }
  .step, .split__col { padding: 26px 22px; }
}