/* Uplink Systems - one page, no JavaScript */
:root {
  --navy: #0B1524;
  --navy-2: #13233A;
  --ink: #0B1524;
  --muted: #4A5A70;
  --line: #DCE3EC;
  --tint: #F3F6FA;
  --accent: #1F6FE0;        /* on white */
  --accent-light: #4D9BFF;  /* on navy */
  --soft: #A9BDD8;          /* secondary text on navy */
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: #fff;
}
h1, h2, h3, .brand { font-family: "Space Grotesk", Inter, sans-serif; line-height: 1.15; }
h1 { font-size: clamp(2.1rem, 5.5vw, 3.6rem); letter-spacing: -0.02em; margin: 0 0 20px; text-wrap: balance; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); letter-spacing: -0.01em; margin: 0 0 12px; }
h3 { font-size: 1.15rem; margin: 0 0 8px; }
p { margin: 0 0 16px; }
a { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent-light); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { background: var(--navy); color: #fff; position: sticky; top: 0; z-index: 10; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 600; font-size: 1.2rem; }
.brand svg { color: var(--accent-light); }
nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
nav a { color: var(--soft); text-decoration: none; padding: 12px 12px; font-size: 0.95rem; }
nav a:hover { color: #fff; }
nav .nav-cta { color: #fff; border: 1px solid var(--accent-light); border-radius: 999px; padding: 8px 16px; margin-left: 6px; }

/* Hero */
.hero { background: var(--navy); color: #fff; padding: 72px 0 80px; }
.eyebrow { color: var(--accent-light); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 16px; }
.lead { font-size: 1.2rem; color: var(--soft); max-width: 640px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 20px; }
.hero-note { color: var(--soft); font-size: 0.95rem; margin: 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 12px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; }
.btn-primary { background: var(--accent-light); color: var(--navy); }
.btn-primary:hover { background: #7BB5FF; }
.btn-ghost { color: #fff; border: 1px solid #3A4D69; }
.btn-ghost:hover { border-color: var(--soft); }

/* Sections */
.section { padding: 72px 0; }
.section-tint { background: var(--tint); }
.section-intro { color: var(--muted); max-width: 640px; margin-bottom: 32px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: #fff; }
.card p { color: var(--muted); margin: 0; }

.steps { list-style: none; counter-reset: step; padding: 0; margin: 28px 0 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step); display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--navy); color: #fff; font-family: "Space Grotesk", sans-serif; font-weight: 600; margin-bottom: 14px; }
.steps p { color: var(--muted); margin: 0; }
.fine { color: var(--muted); font-size: 0.95rem; max-width: 720px; margin: 0; }

.about { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 40px; align-items: start; }
.facts { list-style: none; margin: 0; padding: 24px; border-radius: var(--radius); background: var(--tint); }
.facts li { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.facts li:last-child { border-bottom: 0; }
.facts strong { color: var(--muted); font-weight: 500; }

.cta { background: var(--navy); color: #fff; text-align: center; }
.cta p { color: var(--soft); margin-bottom: 24px; }
.cta .cta-email { margin: 20px 0 0; font-size: 0.95rem; }
.cta a:not(.btn), .site-footer a { color: var(--accent-light); }

/* Footer */
.site-footer { background: var(--navy-2); color: var(--soft); font-size: 0.9rem; padding: 20px 0 84px; }
.footer-row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* Sticky WhatsApp button, phones only */
.sticky-wa { display: none; }
@media (max-width: 640px) {
  nav a:not(.nav-cta) { display: none; }
  .hero { padding: 48px 0 56px; }
  .section { padding: 52px 0; }
  .sticky-wa {
    display: flex; align-items: center; justify-content: center;
    position: fixed; left: 16px; right: 16px; bottom: 16px; min-height: 52px;
    background: var(--accent-light); color: var(--navy); font-weight: 600;
    border-radius: 999px; text-decoration: none; box-shadow: 0 6px 20px rgba(11, 21, 36, 0.35);
  }
}
@media (min-width: 641px) { .site-footer { padding-bottom: 20px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
