/* Infinity Intelligence — core stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,300;12..96,500;12..96,700;12..96,800&family=Inter+Tight:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --ink: #05040a;
  --ink-2: #0a0812;
  --panel: #0e0b17;
  --line: rgba(255, 255, 255, 0.09);
  --line-2: rgba(255, 255, 255, 0.16);
  --text: #edeaf5;
  --muted: #948da8;
  --muted-2: #6d6683;

  --violet: #8b5cf6;
  --indigo: #4f46e5;
  --blue: #2e9bf5;
  --green: #22c55e;
  --yellow: #facc15;
  --orange: #fb923c;
  --red: #f43f5e;

  --spectrum: linear-gradient(90deg, var(--violet), var(--indigo), var(--blue), var(--green), var(--yellow), var(--orange), var(--red));
  --spectrum-v: linear-gradient(180deg, var(--violet), var(--indigo), var(--blue), var(--green), var(--yellow), var(--orange), var(--red));

  --display: 'Bricolage Grotesque', 'Segoe UI', sans-serif;
  --body: 'Inter Tight', 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --hue: var(--violet);
  --max: 1180px;
  --pad: clamp(20px, 5vw, 56px);
  --r: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 600px at 12% -8%, rgba(139, 92, 246, 0.20), transparent 62%),
    radial-gradient(760px 520px at 92% 4%, rgba(46, 155, 245, 0.16), transparent 60%),
    radial-gradient(900px 700px at 50% 108%, rgba(244, 63, 94, 0.12), transparent 62%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.30;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

.page { position: relative; z-index: 2; }

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--violet); color: #fff; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.band { padding: clamp(72px, 11vw, 132px) 0; position: relative; }
.band + .band { border-top: 1px solid var(--line); }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--hue);
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.04;
  margin: 0 0 18px;
}

h2 { font-size: clamp(32px, 5vw, 54px); }
h3 { font-size: 21px; letter-spacing: -0.02em; line-height: 1.25; }

.lede {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--muted);
  max-width: 62ch;
  margin: 0 0 34px;
}

.grad-text {
  background: var(--spectrum);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- spectrum rail ---------- */

.rail {
  position: fixed;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.rail a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
  opacity: 0.55;
  transition: opacity 0.3s, color 0.3s;
}

.rail .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  transition: transform 0.3s, box-shadow 0.3s;
}

.rail a span { opacity: 0; transform: translateX(-6px); transition: 0.3s; }
.rail a:hover, .rail a.on { opacity: 1; }
.rail a:hover span, .rail a.on span { opacity: 1; transform: none; }
.rail a.on { color: var(--hue-dot); }
.rail a.on .dot { transform: scale(1.55); box-shadow: 0 0 14px currentColor; }

@media (max-width: 1400px) { .rail { display: none; } }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  transition: background 0.35s, border-color 0.35s, backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}

.nav.stuck {
  background: rgba(5, 4, 10, 0.78);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}

.nav-in {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { display: flex; align-items: center; gap: 11px; font-family: var(--display); font-weight: 700; letter-spacing: -0.02em; font-size: 18px; }
.brand-mark { width: 30px; height: 16px; flex: 0 0 auto; }
.brand em { font-style: normal; color: var(--muted); font-weight: 500; }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 14.5px; color: var(--muted); transition: color 0.25s; }
.nav-links a:hover { color: var(--text); }

.nav-cta { display: flex; align-items: center; gap: 14px; }

.burger {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  align-items: center; justify-content: center;
  cursor: pointer;
}
.burger span { display: block; width: 16px; height: 1.5px; background: currentColor; position: relative; }
.burger span::before, .burger span::after { content: ""; position: absolute; left: 0; width: 16px; height: 1.5px; background: currentColor; }
.burger span::before { top: -5px; }
.burger span::after { top: 5px; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .burger { display: flex; }
  .nav-cta .btn { display: none; }
}

.mobile-menu {
  position: fixed;
  inset: 74px 0 auto 0;
  z-index: 55;
  background: rgba(6, 5, 12, 0.97);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  padding: 18px var(--pad) 28px;
  display: none;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
.mobile-menu .btn { margin-top: 18px; justify-content: center; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 999px;
  font-family: var(--body);
  font-weight: 500;
  font-size: 15px;
  border: 1px solid var(--line-2);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: transform 0.25s, background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.btn:hover { transform: translateY(-2px); border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.07); }

.btn-primary {
  border: 0;
  color: #08060f;
  font-weight: 600;
  background: var(--spectrum);
  background-size: 220% 100%;
  animation: slide 9s linear infinite;
}
.btn-primary:hover { box-shadow: 0 14px 40px rgba(139, 92, 246, 0.35); }

@keyframes slide { to { background-position: 220% 0; } }

.btn-sm { padding: 10px 18px; font-size: 14px; }

/* ---------- hero ---------- */

.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  width: 100%;
}

.hero h1 {
  font-size: clamp(44px, 7.4vw, 92px);
  font-weight: 800;
  margin-bottom: 24px;
}

.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > i { font-style: normal; display: block; }

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.chip {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  background: rgba(255, 255, 255, 0.02);
}

.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; overflow: visible; }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 460px; }
}

/* ---------- marquee ---------- */

.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.015);
}
.marquee-track { display: flex; gap: 44px; width: max-content; animation: run 34s linear infinite; }
.marquee-track span {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-2);
  display: flex;
  align-items: center;
  gap: 44px;
  white-space: nowrap;
}
.marquee-track span::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--hue); }
@keyframes run { to { transform: translateX(-50%); } }

/* ---------- cards ---------- */

.head { max-width: 720px; margin-bottom: clamp(38px, 6vw, 64px); }

.grid { display: grid; gap: 18px; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

.card {
  position: relative;
  padding: 30px 28px 32px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--c, var(--violet));
  opacity: 0.85;
}
.card::after {
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  top: -180px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--c, var(--violet)), transparent 62%);
  opacity: 0.10;
  transition: opacity 0.35s;
  pointer-events: none;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-2); }
.card:hover::after { opacity: 0.24; }

.card .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c, var(--violet));
  display: block;
  margin-bottom: 16px;
}
.card p { color: var(--muted); margin: 0; font-size: 15.5px; }
.card ul { margin: 16px 0 0; padding: 0; list-style: none; }
.card ul li {
  color: var(--muted);
  font-size: 14.5px;
  padding: 6px 0 6px 20px;
  position: relative;
}
.card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 15px;
  width: 8px; height: 1.5px;
  background: var(--c, var(--violet));
}

/* ---------- process ---------- */

.step {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step .idx {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--c);
  padding-top: 4px;
  letter-spacing: 0.1em;
}
.step h3 { margin-bottom: 8px; }
.step p { margin: 0; color: var(--muted); max-width: 66ch; font-size: 15.5px; }

@media (max-width: 640px) { .step { grid-template-columns: 1fr; gap: 8px; } }

/* ---------- pricing ---------- */

.price-card {
  display: flex;
  flex-direction: column;
  padding: 32px 28px 34px;
}
.price-card.featured { border-color: rgba(250, 204, 21, 0.4); }
.price-tag {
  font-family: var(--display);
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 18px 0 4px;
  line-height: 1;
}
.price-tag small { font-family: var(--body); font-size: 14px; font-weight: 400; color: var(--muted); letter-spacing: 0; }
.price-meta { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-2); }
.price-card .btn { margin-top: 26px; justify-content: center; }
.price-card ul { flex: 1; }

.tag-ribbon {
  position: absolute;
  top: 18px; right: 18px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #08060f;
  background: var(--yellow);
  border-radius: 999px;
  padding: 4px 10px;
}

.note {
  font-size: 14px;
  color: var(--muted-2);
  margin-top: 22px;
}

/* ---------- faq ---------- */

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 44px 22px 0;
  font-family: var(--display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 6px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 20px;
  color: var(--orange);
  transition: transform 0.3s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { margin: 0 0 24px; color: var(--muted); max-width: 78ch; font-size: 15.5px; }

/* ---------- contact ---------- */

.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px, 5vw, 60px); }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.detail { padding: 18px 0; border-bottom: 1px solid var(--line); }
.detail:first-of-type { border-top: 1px solid var(--line); }
.detail .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted-2); display: block; margin-bottom: 5px; }
.detail .v { font-size: 16.5px; }
.detail .v a:hover { color: var(--blue); }

.form { display: grid; gap: 14px; }
.field { display: grid; gap: 7px; }
.field label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 15px;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-family: var(--body);
  font-size: 15.5px;
  transition: border-color 0.25s, background 0.25s;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--red); background: rgba(255, 255, 255, 0.05); outline: none; }
.field select option { background: #0e0b17; }
.form .btn { justify-content: center; margin-top: 6px; }
.form-msg { font-size: 14px; color: var(--muted); min-height: 20px; }

/* ---------- footer ---------- */

.foot { border-top: 1px solid var(--line); padding: 64px 0 34px; background: rgba(255, 255, 255, 0.012); }
.foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 34px; }
@media (max-width: 900px) { .foot-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .foot-top { grid-template-columns: 1fr; } }

.foot h4 { font-family: var(--mono); font-weight: 500; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 16px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.foot ul a { font-size: 15px; color: var(--muted); transition: color 0.25s; }
.foot ul a:hover { color: var(--text); }
.foot p { color: var(--muted); font-size: 15px; max-width: 34ch; }

.foot-bar {
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: var(--muted-2);
}

.foot-spectrum { height: 3px; background: var(--spectrum); }

/* ---------- legal pages ---------- */

.legal { padding: 130px 0 90px; }
.legal .doc { max-width: 800px; }
.legal h1 { font-size: clamp(34px, 5.4vw, 56px); }
.legal h2 { font-size: 22px; margin: 42px 0 12px; letter-spacing: -0.01em; }
.legal h3 { font-size: 17px; margin: 26px 0 8px; }
.legal p, .legal li { color: var(--muted); font-size: 16px; }
.legal ul, .legal ol { padding-left: 20px; }
.legal li { margin-bottom: 8px; }
.legal a { color: var(--text); border-bottom: 1px solid var(--line-2); }
.legal a:hover { color: var(--blue); }
.legal .updated {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  padding: 12px 0 0;
  border-top: 1px solid var(--line);
  margin-top: 8px;
}
.legal .callout {
  border: 1px solid var(--line);
  border-left: 3px solid var(--hue);
  border-radius: 0 14px 14px 0;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.025);
  margin: 26px 0;
}
.legal .callout p:last-child { margin-bottom: 0; }

.back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 26px;
}
.back:hover { color: var(--text); }

/* ---------- reveal ---------- */

.rv { opacity: 0; transform: translateY(22px); transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.rv.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  .marquee-track, .btn-primary { animation: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}