/* =========================================================
   Oficina Espacial · Landing (index.html)
   ========================================================= */
:root{
  --bg1:#0a0f17; --bg2:#0e1420;
  --accent:#76d2ff; --accent2:#8ef0c5; --muted:#cfe9ff;
  --shadow:0 20px 36px rgba(0,0,0,.5);
}
html,body{ margin:0; font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; color:#eaf3ff; background:
  radial-gradient(1000px 600px at 20% -10%, rgba(118,210,255,.18), transparent 60%),
  radial-gradient(900px 520px at 80% 10%, rgba(142,240,197,.16), transparent 60%),
  linear-gradient(135deg, var(--bg1), var(--bg2)); }

.container{ width:min(1120px, 92vw); margin:0 auto; }

/* NAV */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(10,14,22,.78); -webkit-backdrop-filter:saturate(140%) blur(10px); backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav .container{ display:flex; align-items:center; justify-content:space-between; gap:16px; padding:10px 0; }
.brand{ display:flex; align-items:center; gap:10px; color:#eaf3ff; text-decoration:none; }
.brand .logo{ width:28px; height:28px; display:inline-grid; place-items:center; font-size:22px; }
.nav-actions{ display:flex; align-items:center; gap:14px; }
.nav-link{ color:#cfe9ff; opacity:.9; text-decoration:none; font-size:14px; }
.nav-link:hover{ opacity:1; }
.nav-burger{ display:none; background:transparent; border:0; color:#eaf3ff; font-size:22px; padding:6px 10px; cursor:pointer; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:10px 14px; border-radius:12px; font-weight:700; text-decoration:none; cursor:pointer;
  border:1px solid rgba(255,255,255,.15); color:#0b1220; background:#76d2ff;
}
.btn.primary{ background:#76d2ff; border-color:#63c8fa; color:#08121f; }
.btn.ghost{ background:transparent; color:#eaf3ff; border-color:rgba(255,255,255,.25); }
.btn.highlight{ background:#8ef0c5; border-color:#6fdab1; color:#08121f; }
.btn.small{ padding:8px 12px; font-size:13px; }
.btn.xl{ padding:14px 18px; font-size:16px; border-radius:14px; }

/* HERO */
.hero{ padding:56px 0 22px; }
.hero-grid{ display:grid; grid-template-columns:1.2fr 1fr; gap:40px; align-items:center; }
.hero-copy h1{ margin:0 0 10px; font-size: clamp(32px, 6.2vw, 56px); line-height:1.05; letter-spacing:.2px; }
.hero-copy .lead{ margin:0 0 18px; color:#cfe9ff; opacity:.95; font-size: clamp(15px, 2.2vw, 18px); }
.hero-cta{ display:flex; gap:10px; flex-wrap:wrap; margin:6px 0 6px; }
.trust{ font-size:13px; color:#cfe9ff; opacity:.85; margin-top:6px; }
.grad{ background: linear-gradient(90deg, #8ef0c5, #76d2ff); -webkit-background-clip: text; background-clip:text; color:transparent; }
.outline{ color:transparent; -webkit-text-stroke: 1px rgba(200,240,255,.75); }
.hero-art{ position:relative; min-height:320px; }
.orbit{ width:100%; height:auto; opacity:.95; filter: drop-shadow(0 30px 60px rgba(0,0,0,.45)); }
.sat{ animation: spin 18s linear infinite; transform-origin: 300px 260px; }
.s2{ animation-duration: 24s; }
.s3{ animation-duration: 30s; }
@keyframes spin{ to { transform: rotate(360deg); } }

/* TRUST BAR */
.logos{ padding:22px 0 10px; }
.logos-row{ display:flex; gap:16px; align-items:center; flex-wrap:wrap; opacity:.95; }
.logos-wrap{ display:flex; gap:10px; flex-wrap:wrap; }
.logo-pill{ padding:6px 10px; border-radius:999px; border:1px solid rgba(255,255,255,.18); background:rgba(255,255,255,.06); color:#eaf3ff; font-size:13px; }

/* FEATURES */
.features{ padding:24px 0 10px; }
.sec-head{ text-align:center; margin-bottom:16px; }
.sec-head h2{ margin:0 0 6px; font-size: clamp(22px, 3.5vw, 30px); }
.sec-head p{ margin:0; color:#cfe9ff; opacity:.9; }
.grid-3{ display:grid; grid-template-columns:repeat(3, 1fr); gap:14px; margin-top:14px; }
.card{ background: rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:14px; padding:16px; box-shadow: 0 10px 24px rgba(0,0,0,.25); }
.card-ico{ font-size:22px; margin-bottom:8px; }

/* DEMO */
.demo{ padding:26px 0 10px; }
.demo-wrap{ display:grid; grid-template-columns:1.2fr .8fr; gap:20px; align-items:stretch; }
.demo-screen{ border:1px solid rgba(255,255,255,.12); border-radius:16px; overflow:hidden; background: rgba(12,18,30,.7); box-shadow: var(--shadow); }
.demo-bar{ display:flex; gap:6px; padding:10px; border-bottom:1px solid rgba(255,255,255,.08); }
.demo-bar span{ width:10px; height:10px; border-radius:999px; background: rgba(255,255,255,.2); display:inline-block; }
.demo-embed{ position:relative; height:360px; background:linear-gradient(135deg, #0b1220, #0f1626); }
.demo-placeholder{ position:absolute; inset:0; display:grid; place-items:center; color:#cfe9ff; opacity:.9; font-size:16px; }
.demo-side h3{ margin:0 0 8px; font-size:22px; }
.ticks{ list-style:none; padding:0; margin:8px 0 18px; }
.ticks li{ padding-left:22px; position:relative; margin:8px 0; }
.ticks li::before{ content:"✓"; position:absolute; left:0; top:0; color:#8ef0c5; }

/* HOW */
.how{ padding:26px 0 10px; }
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.step{ background: rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:14px; padding:16px; }
.step-num{ width:28px; height:28px; border-radius:999px; display:grid; place-items:center; background:#76d2ff; color:#08121f; font-weight:800; margin-bottom:8px; }

/* QUOTES */
.quotes{ padding:22px 0 6px; }
.q{ background: rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:14px; padding:16px; box-shadow: 0 10px 24px rgba(0,0,0,.25); }
.q blockquote{ margin:0 0 6px; font-size:16px; color:#eaf3ff; }
.q figcaption{ color:#cfe9ff; opacity:.9; font-size:13px; }

/* FINAL CTA */
.final-cta{ padding:26px 0; }
.final-box{ text-align:center; padding:24px; border-radius:18px; background: linear-gradient(180deg, rgba(118,210,255,.18), rgba(142,240,197,.18)); border:1px solid rgba(255,255,255,.18); }

/* FAQ */
.faq{ padding:12px 0 30px; }
.acc{ background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:12px; padding:12px 14px; margin:10px 0; }
.acc > summary{ cursor:pointer; font-weight:700; }
.acc > p{ margin:8px 0 2px; color:#cfe9ff; opacity:.95; }

/* FOOTER */
.site-foot{ border-top:1px solid rgba(255,255,255,.08); background:rgba(10,14,22,.78); -webkit-backdrop-filter:saturate(140%) blur(10px); backdrop-filter:saturate(140%) blur(10px); }
.foot-grid{ display:grid; grid-template-columns:1fr auto auto; gap:14px; align-items:center; padding:14px 0; }
.foot-links a{ color:#cfe9ff; text-decoration:none; margin:0 8px; }
.foot-brand{ color:#eaf3ff; display:flex; align-items:center; gap:8px; }
.foot-cta{ text-align:right; }

/* NAV responsive */
@media (max-width: 980px){
  .nav-burger{ display:block; }
  .nav-actions{
    position:fixed; right:12px; top:56px; padding:10px; border-radius:12px;
    background:rgba(10,14,22,.94); border:1px solid rgba(255,255,255,.12);
    display:none; flex-direction:column; gap:10px;
  }
  .nav-actions.open{ display:flex; }
}

/* Grid responsive */
@media (max-width: 1000px){
  .hero-grid{ grid-template-columns:1fr; gap:20px; }
  .demo-wrap{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .grid-3{ grid-template-columns:1fr; }
  .foot-grid{ grid-template-columns:1fr; text-align:center; }
  .foot-cta{ text-align:center; }
}