/* LifeLike — site institucional (lifelike.social)
   Paleta de marca (conforme spec do site / Fase I):
   Tinta #0E0F16 · Coral Vital #FF4655 · Ouro Imortal #F0B429 · Branco Osso #FAFAF7 */

:root {
  --tinta: #0E0F16;
  --tinta-soft: #16171F;
  --tinta-card: #1B1D27;
  --coral: #FF4655;
  --ouro: #F0B429;
  --osso: #FAFAF7;
  --osso-dim: #B7B8C0;
  --line: rgba(250, 250, 247, 0.10);
  --radius: 16px;
  --maxw: 1080px;
  --font: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--tinta);
  color: var(--osso);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.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(14, 15, 22, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--osso); }
.brand:hover { text-decoration: none; }
.brand .mark { width: 30px; height: 30px; }
.nav-links { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.nav-links a { color: var(--osso-dim); font-size: 0.95rem; font-weight: 500; }
.nav-links a:hover { color: var(--osso); text-decoration: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 92px 0 76px;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 55% at 50% 0%, rgba(255, 70, 85, 0.16), transparent 70%),
    radial-gradient(45% 45% at 80% 30%, rgba(240, 180, 41, 0.10), transparent 70%);
  pointer-events: none;
}
.hero .mark-lg { width: 84px; height: 84px; margin: 0 auto 20px; display: block; position: relative; }
.hero h1 {
  position: relative;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.05; margin: 0 0 18px; letter-spacing: -0.02em;
}
.hero h1 .accent {
  background: linear-gradient(100deg, var(--coral), var(--ouro));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead {
  position: relative;
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  color: var(--osso-dim); max-width: 640px; margin: 0 auto 32px;
}
.cta-row { position: relative; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 13px 26px; border-radius: 999px;
  font-weight: 600; font-size: 1rem; cursor: pointer; border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: linear-gradient(100deg, var(--coral), var(--ouro)); color: #1a0d0d; box-shadow: 0 8px 24px rgba(255, 70, 85, 0.28); }
.btn-ghost { border-color: var(--line); color: var(--osso); }
.btn-ghost:hover { border-color: var(--osso-dim); }

/* ---------- Sections ---------- */
section { padding: 68px 0; }
.section-tag {
  text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.78rem;
  color: var(--ouro); font-weight: 700; margin: 0 0 12px;
}
h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin: 0 0 18px; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; margin: 0 0 8px; }
p { color: var(--osso-dim); }
.narrow { max-width: 720px; }

/* ---------- Feature grid ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 36px; }
.card {
  background: var(--tinta-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px;
}
.card .ico {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  font-size: 1.4rem; margin-bottom: 14px;
  background: rgba(255, 70, 85, 0.12);
}
.card.gold .ico { background: rgba(240, 180, 41, 0.14); }
.card h3 { color: var(--osso); }
.card p { margin: 0; font-size: 0.96rem; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; gap: 18px; margin-top: 32px; }
.step { display: flex; gap: 18px; align-items: flex-start; }
.step .num {
  counter-increment: step; flex: none;
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; color: var(--tinta);
  background: linear-gradient(140deg, var(--coral), var(--ouro));
}
.step .num::before { content: counter(step); }
.step h3 { color: var(--osso); }
.step p { margin: 4px 0 0; }

/* ---------- Vocab ---------- */
.vocab { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-top: 30px; }
.term { border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; background: var(--tinta-soft); }
.term b { color: var(--osso); font-size: 1.05rem; }
.term span { display: block; color: var(--osso-dim); font-size: 0.92rem; margin-top: 4px; }

/* ---------- Legal / prose ---------- */
.doc { padding: 56px 0 80px; }
.doc .container { max-width: 800px; }
.notice {
  border: 1px solid rgba(240, 180, 41, 0.4);
  background: rgba(240, 180, 41, 0.08);
  border-radius: 12px; padding: 16px 20px; margin: 0 0 32px;
  color: var(--osso);
}
.notice strong { color: var(--ouro); }
.doc h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); margin: 0 0 6px; }
.doc .updated { color: var(--osso-dim); font-size: 0.9rem; margin: 0 0 28px; }
.doc h2 { font-size: 1.3rem; margin: 34px 0 10px; color: var(--osso); }
.doc p, .doc li { color: var(--osso-dim); }
.doc ul { padding-left: 20px; }
.toc { background: var(--tinta-soft); border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; margin-bottom: 32px; }
.toc h3 { color: var(--osso); margin: 0 0 8px; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; }
.toc ol { margin: 0; padding-left: 20px; color: var(--osso-dim); }

/* ---------- Contact ---------- */
.contact-box {
  background: var(--tinta-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px; margin-top: 28px;
  display: flex; flex-wrap: wrap; gap: 10px 40px; align-items: center; justify-content: space-between;
}
.contact-box .email { font-size: 1.25rem; font-weight: 700; color: var(--osso); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; margin-top: 40px; }
.footer-grid { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--osso-dim); font-size: 0.92rem; }
.footer-links a:hover { color: var(--osso); text-decoration: none; }
.footer-legal { color: var(--osso-dim); font-size: 0.86rem; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .nav { height: auto; padding: 12px 0; flex-direction: column; gap: 10px; }
  section { padding: 48px 0; }
  .hero { padding: 60px 0 50px; }
}