:root {
  --bg: #000;
  --ink: #fff;
  --dim: rgba(255, 255, 255, 0.62);
  --line: rgba(255, 255, 255, 0.14);
  --fill: #fff;
  --void: #000;
}
* { box-sizing: border-box; margin: 0; }
html { background: var(--bg); }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.4;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 28px;
  background: linear-gradient(to bottom, rgba(0,0,0,.72), transparent);
}
.brand {
  font-family: Unbounded, Inter, sans-serif;
  font-weight: 600; letter-spacing: 0.28em;
  font-size: 13px; text-transform: uppercase;
}
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a {
  font-size: 13px; font-weight: 500; color: var(--dim);
  letter-spacing: 0.02em;
}
.nav-links a.on, .nav-links a:hover { color: var(--ink); }
.nav-links a.cta {
  border: 1px solid var(--ink); color: var(--ink);
  padding: 7px 12px;
}
.muted { color: var(--dim); font-size: 12px; }

.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: flex-end;
  padding: 0 28px 72px;
  overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0;
  background:
    radial-gradient(1200px 600px at 70% 20%, rgba(40, 70, 140, 0.28), transparent 55%),
    radial-gradient(800px 500px at 10% 90%, rgba(180, 90, 20, 0.18), transparent 50%),
    linear-gradient(180deg, #05070c 0%, #000 70%);
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(
      to right,
      transparent 0, transparent 79px,
      rgba(255,255,255,0.03) 80px
    ),
    repeating-linear-gradient(
      to bottom,
      transparent 0, transparent 79px,
      rgba(255,255,255,0.03) 80px
    );
  mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent);
}
.hero-fade {
  position: absolute; inset: 0;
  background: linear-gradient(to top, #000 0%, transparent 42%);
}
.hero-content { position: relative; z-index: 1; max-width: 1100px; }
.hero h1 {
  font-family: Unbounded, Inter, sans-serif;
  font-weight: 600;
  font-size: clamp(56px, 12vw, 132px);
  letter-spacing: -0.04em;
  line-height: 0.86;
  text-transform: lowercase;
}
.hero-copy {
  margin-top: 18px;
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 400;
  color: var(--dim);
  max-width: 22em;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.btn, button {
  font: 600 13px/1 Inter, sans-serif;
  letter-spacing: 0.04em;
  background: var(--fill); color: var(--void);
  border: 1px solid var(--fill);
  padding: 12px 16px; cursor: pointer; display: inline-block;
}
.btn.ghost, button.ghost {
  background: transparent; color: var(--ink); border-color: var(--line);
}
button.rec { background: #e23; color: #fff; border-color: #e23; }

.thesis {
  padding: 96px 28px 40px;
  max-width: 920px;
}
.thesis p {
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.25;
  font-weight: 400;
}

.section { padding: 80px 28px; border-top: 1px solid var(--line); }
.section h2 {
  font-family: Unbounded, Inter, sans-serif;
  font-weight: 500;
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  max-width: 16ch;
}
.kicker {
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--dim); margin-bottom: 14px; font-weight: 500;
}
.section > p { max-width: 36rem; color: var(--dim); font-size: 17px; }
.stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px; margin-top: 48px;
}
@media (max-width: 720px) { .stats { grid-template-columns: 1fr; } }
.stats b {
  display: block;
  font-family: Unbounded, Inter, sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.04em; font-weight: 500;
}
.stats span { color: var(--dim); font-size: 14px; }

.steps { list-style: none; padding: 0; margin: 36px 0 0; max-width: 720px; }
.steps li { padding: 22px 0; border-top: 1px solid var(--line); }
.steps strong {
  display: block; font-size: 13px; letter-spacing: 0.16em;
  text-transform: uppercase; margin-bottom: 8px; font-weight: 600;
}
.steps span { color: var(--dim); }

.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 40px;
}
@media (max-width: 720px) { .split { grid-template-columns: 1fr; } }
.split h3 {
  font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase;
  margin-bottom: 14px; font-weight: 600;
}
.split ul { list-style: none; padding: 0; color: var(--dim); }
.split li { padding: 8px 0; border-top: 1px solid var(--line); }

.page { padding: 120px 28px 96px; max-width: 860px; }
.page h1 {
  font-family: Unbounded, Inter, sans-serif;
  font-weight: 500;
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: -0.03em;
  margin: 8px 0 16px;
}
.page .sub { color: var(--dim); margin-bottom: 28px; max-width: 36rem; }
.stack { display: grid; gap: 16px; }
.card { border-top: 1px solid var(--line); padding: 22px 0; }
input {
  font: inherit; background: transparent; color: var(--ink);
  border: 1px solid var(--line); padding: 12px 14px; width: min(360px, 100%);
}
pre {
  background: #070707; padding: 16px; overflow: auto; font-size: 13px;
  border: 1px solid var(--line); color: var(--dim);
}
.ok { color: #d6ff4a; } .err { color: #ff6b57; }
footer {
  border-top: 1px solid var(--line);
  padding: 22px 28px 40px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  color: var(--dim); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
}
#paypal-wrap { min-height: 48px; margin-top: 12px; }
.preview { margin: 8px 0 24px; }
.preview img { width: 100%; max-width: 720px; height: auto; display: block; border: 1px solid var(--line); }
.preview.map svg { width: 100%; max-width: 720px; height: auto; display: block; border: 1px solid var(--line); }
.look-list { list-style: none; padding: 0; margin: 28px 0 0; }
.look-list li { padding: 12px 0; border-top: 1px solid var(--line); }