/* FUTA Social — marketing site styles */
:root {
  --purple: #534ab4;
  --purple-dark: #3f388f;
  --purple-light: #6b4c9a;
  --accent: #ffd23f;
  --bg: #ffffff;
  --bg-soft: #f6f5fb;
  --ink: #1c1b29;
  --ink-soft: #54526a;
  --line: #e7e5f0;
  --radius: 16px;
  --maxw: 1080px;
  --shadow: 0 18px 40px -18px rgba(83, 74, 180, 0.45);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--purple); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--ink-soft); font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--purple); text-decoration: none; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--purple);
  color: #fff;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.btn:hover { background: var(--purple-dark); text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-ghost {
  background: transparent;
  color: var(--purple);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { background: var(--bg-soft); color: var(--purple-dark); }

/* Hero */
.hero {
  background: radial-gradient(1200px 500px at 80% -10%, rgba(107, 76, 154, 0.18), transparent 60%),
              linear-gradient(180deg, #fbfaff 0%, #ffffff 100%);
  padding: 84px 0 72px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--purple);
  background: rgba(83, 74, 180, 0.08);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}
.hero h1 span { color: var(--purple); }
.hero p.lead { font-size: 19px; color: var(--ink-soft); margin: 0 0 28px; max-width: 540px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-note { font-size: 14px; color: var(--ink-soft); margin-top: 16px; }

.phone-mock {
  justify-self: center;
  width: 230px;
  aspect-ratio: 9 / 19;
  background: linear-gradient(160deg, var(--purple), var(--purple-light));
  border-radius: 34px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
}
.phone-mock .screen {
  width: 100%;
  height: 100%;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: #fff;
  text-align: center;
}
.phone-mock .screen img { width: 76px; height: 76px; border-radius: 18px; }
.phone-mock .screen strong { font-size: 22px; letter-spacing: -0.01em; }
.phone-mock .screen small { opacity: 0.85; font-size: 13px; }

/* Sections */
section { padding: 72px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(26px, 3.5vw, 36px); margin: 0 0 12px; letter-spacing: -0.02em; }
.section-head p { color: var(--ink-soft); font-size: 17px; margin: 0; }

.bg-soft { background: var(--bg-soft); }

/* Feature grid */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.feature .ico {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(83, 74, 180, 0.1);
  font-size: 22px;
  margin-bottom: 14px;
}
.feature h3 { margin: 0 0 8px; font-size: 18px; }
.feature p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { text-align: center; padding: 0 12px; }
.step .num {
  width: 46px; height: 46px; margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--purple);
  color: #fff; font-weight: 800;
  display: grid; place-items: center;
}
.step h3 { margin: 0 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--purple), var(--purple-light));
  color: #fff;
  border-radius: 24px;
  padding: 48px;
  text-align: center;
}
.cta-band h2 { margin: 0 0 12px; font-size: clamp(24px, 3vw, 32px); }
.cta-band p { margin: 0 0 26px; opacity: 0.92; font-size: 17px; }
.cta-band .btn { background: #fff; color: var(--purple); }
.cta-band .btn:hover { background: var(--accent); color: var(--ink); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 36px;
  background: var(--bg-soft);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-grid h4 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); margin: 0 0 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: var(--ink-soft); font-weight: 600; }
.footer-about p { color: var(--ink-soft); font-size: 15px; max-width: 320px; margin: 14px 0 0; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 14px;
}

/* Legal / doc pages */
.doc { padding: 56px 0 72px; }
.doc .container { max-width: 800px; }
.doc h1 { font-size: 36px; letter-spacing: -0.02em; margin: 0 0 8px; }
.doc .meta { color: var(--ink-soft); font-size: 15px; margin-bottom: 32px; }
.doc h2 { font-size: 24px; margin: 40px 0 14px; }
.doc h3 { font-size: 19px; margin: 28px 0 10px; }
.doc p, .doc li { color: #2c2b3c; }
.doc table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
.doc th, .doc td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.doc th { background: var(--bg-soft); }
.doc hr { border: none; border-top: 1px solid var(--line); margin: 36px 0; }
.back-link { display: inline-block; margin-bottom: 24px; font-weight: 600; }

/* Responsive */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .cta-row { justify-content: center; }
  .phone-mock { order: -1; }
  .features { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .features { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 32px 20px; }
}