/* M31 — Marketing 31 Landing
   Performance-marketing punchy. Dark mode. Swiss/grotesk. */

* { margin: 0; padding: 0; box-sizing: border-box; }
*::selection { background: var(--accent); color: var(--bg); }

html { scroll-behavior: smooth; }

:root {
  --bg: #07080A;
  --bg-2: #0E1014;
  --bg-3: #14171D;
  --line: rgba(255,255,255,0.08);
  --line-2: rgba(255,255,255,0.14);
  --ink: #F5F6F7;
  --ink-2: rgba(245,246,247,0.72);
  --ink-3: rgba(245,246,247,0.48);
  --ink-4: rgba(245,246,247,0.28);
  --accent: #4A9EFF;     /* electric blue */
  --accent-2: #6FB3FF;
  --warn: #FF5C3D;
  --max: 1320px;
  --pad-x: clamp(20px, 4vw, 56px);
  --section-y: clamp(80px, 9vw, 160px);
}

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter Tight', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-feature-settings: "ss01","ss02","cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 16px;
  line-height: 1.45;
  letter-spacing: -0.005em;
  overflow-x: hidden;
}

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

/* Typography ----------------------------------------------------- */
.eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.eyebrow .dot {
  display:inline-block; width:6px; height:6px; border-radius:50%;
  background: var(--accent); margin-right: 8px; transform: translateY(-1px);
  box-shadow: 0 0 0 4px rgba(91,255,143,0.18);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(91,255,143,0.18); }
  50%      { box-shadow: 0 0 0 7px rgba(91,255,143,0.06); }
}

h1, h2, h3, h4 {
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.95;
}
h1 { font-size: clamp(44px, 7vw, 108px); font-weight: 500; letter-spacing: -0.045em; line-height: 0.94; }
h2 { font-size: clamp(36px, 5.5vw, 80px); letter-spacing: -0.04em; line-height: 0.96; }
h3 { font-size: clamp(22px, 2.4vw, 32px); letter-spacing: -0.025em; line-height: 1.05; }

.italic-disp { font-family: 'Instrument Serif', 'Times New Roman', serif; font-style: italic; font-weight: 400; letter-spacing: -0.02em; }

/* Layout --------------------------------------------------------- */
.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad-x); }
section { padding: var(--section-y) 0; position: relative; }

.section-head { display: grid; grid-template-columns: 1fr; gap: 24px; margin-bottom: clamp(40px, 5vw, 72px); }
.section-head .row {
  display: flex; align-items: baseline; justify-content: space-between; gap: 32px;
  border-top: 1px solid var(--line); padding-top: 16px;
}
.section-head .row .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--ink-3); letter-spacing: 0.1em;
}
.section-head h2 { max-width: 18ch; }

/* Buttons -------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 22px; border-radius: 999px;
  font-weight: 500; font-size: 15px; letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform .25s cubic-bezier(.2,.7,.2,1), background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent); color: #051710; }
.btn-primary:hover { background: var(--accent-2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.3); }
.btn .arrow {
  width: 18px; height: 18px;
  transition: transform .25s cubic-bezier(.2,.7,.2,1);
}
.btn:hover .arrow { transform: translate(2px, -2px); }
.btn-sm { padding: 10px 16px; font-size: 13px; }

/* Pill ----------------------------------------------------------- */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 12px; color: var(--ink-2);
  background: rgba(255,255,255,0.02);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.02em;
}
.pill .check { color: var(--accent); }

/* Nav ------------------------------------------------------------ */
.nav {
  position: fixed; top: 14px; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: center;
  pointer-events: none;
}
.nav-inner {
  pointer-events: auto;
  display: flex; align-items: center; gap: 8px;
  padding: 8px 8px 8px 18px;
  background: rgba(14,16,20,0.72);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}
.nav-logo {
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; letter-spacing: -0.02em; font-size: 15px;
  margin-right: 12px;
}
.nav-logo .mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 6px;
  background: var(--accent); color: #051710;
  font-family: 'JetBrains Mono', monospace; font-weight: 600; font-size: 11px;
}
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 8px 12px; border-radius: 999px;
  font-size: 13.5px; color: var(--ink-2);
  transition: background .2s, color .2s;
}
.nav-links a:hover { background: rgba(255,255,255,0.04); color: var(--ink); }
.nav-cta { margin-left: 4px; }
@media (max-width: 760px) {
  .nav-links { display: none; }
}

/* Marquee -------------------------------------------------------- */
.marquee {
  overflow: hidden; position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
}
.marquee-track {
  display: flex; gap: 64px; width: max-content;
  animation: marquee 40s linear infinite;
  align-items: center;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee-item {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 500; letter-spacing: -0.02em;
  color: var(--ink-3);
  display: flex; align-items: center; gap: 64px;
  white-space: nowrap;
}
.marquee-item .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-4); }

/* Cards ---------------------------------------------------------- */
.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  transition: border-color .25s, transform .25s, background .25s;
}
.card:hover { border-color: var(--line-2); }

/* Stat blocks ---------------------------------------------------- */
.stat .num {
  font-size: clamp(56px, 7vw, 104px);
  font-weight: 500; letter-spacing: -0.05em; line-height: 0.9;
  font-variant-numeric: tabular-nums;
}
.stat .num .accent { color: var(--accent); }
.stat .lbl {
  margin-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px; color: var(--ink-3);
  text-transform: uppercase; letter-spacing: 0.12em;
}

/* Grid utility --------------------------------------------------- */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Reveal --------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* Tabular nums anywhere we show numbers */
.tnum { font-variant-numeric: tabular-nums; }

/* Glow utility */
.glow {
  position: absolute; pointer-events: none;
  border-radius: 50%; filter: blur(80px); opacity: 0.5;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
}

/* Density: airy / tight */
body[data-density="tight"]   { --section-y: clamp(56px, 6vw, 110px); }
body[data-density="airy"]    { --section-y: clamp(110px, 12vw, 200px); }

/* Bordered divider used as section separators (Swiss vibe) */
.rule { height: 1px; background: var(--line); }