:root {
  --teal: #21d6c7;
  --midnight: #0b1628;
  --ink: #030912;
  --cloud: #f6f7f9;
  --sand: #e8d9b8;
  --muted: rgba(246, 247, 249, 0.68);
  --line: rgba(246, 247, 249, 0.12);
  --max: 1200px;
  --gutter: 24px;
  --section: 80px;
  --focus: 2px solid var(--teal);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Poppins", "Segoe UI", sans-serif;
  background: var(--ink);
  color: var(--cloud);
  line-height: 1.7;
  font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: var(--focus);
  outline-offset: 2px;
}

.wrap {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--teal);
  color: var(--ink);
  padding: 8px 12px;
}
.skip:focus { left: 12px; z-index: 40; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(3, 9, 18, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 16px;
}

.brand img {
  height: 36px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--cloud);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--teal); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--cloud);
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 2px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--teal);
  color: var(--ink);
}

.btn-primary:hover { filter: brightness(1.08); }

.btn-ghost {
  background: transparent;
  color: var(--cloud);
  border-color: var(--line);
}

.hero,
.section { padding: var(--section) 0; }

.hero { padding-top: 96px; }

.kicker {
  color: var(--teal);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.flick {
  width: 28px;
  height: 18px;
  background: var(--teal);
  clip-path: polygon(18% 0, 100% 0, 82% 100%, 0 100%);
  margin-bottom: 20px;
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 16px;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); max-width: 14ch; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; }

.lede {
  max-width: 42ch;
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 32px;
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.proof {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  color: rgba(246,247,249,0.55);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.grid-3, .grid-4, .grid-5, .grid-2 { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.card, .stat, .step, .tool {
  background: var(--midnight);
  border: 1px solid var(--line);
  padding: 24px;
}

.stat .num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 10px;
}

.source {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  color: rgba(246,247,249,0.45);
}

.steps { counter-reset: step; }
.step { position: relative; }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  color: var(--teal);
  font-weight: 700;
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
}

.sand {
  background: var(--sand);
  color: var(--ink);
}
.sand h2, .sand p, .sand a { color: var(--ink); }
.sand a { text-decoration: underline; }
.sand .source { color: rgba(11,22,40,0.65); }

.cta-band {
  text-align: center;
  padding: 96px 0;
}
.cta-band h2 { max-width: none; margin-inline: auto; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 32px;
  color: var(--muted);
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin: 8px 0; }
.footer-grid a { color: var(--cloud); }

.legal {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
}

form { display: grid; gap: 14px; max-width: 520px; }
label { font-size: 13px; font-weight: 600; }
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--midnight);
  border: 1px solid var(--line);
  color: var(--cloud);
  font: inherit;
}
textarea { min-height: 140px; }

.page-hero { padding: 72px 0 32px; }
.page-hero h1 { max-width: 18ch; }

.list-plain { padding-left: 1.1rem; }
.list-plain li { margin: 8px 0; }

.notice {
  border: 1px solid var(--line);
  padding: 16px 18px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .proof, .grid-5, .grid-4, .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 76px;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 88px;
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--line); }
  .nav-links a, .nav-links .btn { display: block; padding: 14px 0; }
  .nav-links .btn { width: 100%; margin-top: 12px; }
}

@media (max-width: 680px) {
  .grid-3, .grid-2, .proof, .footer-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; }
}