/* ── Family Vault Landing Styles ── */
:root{
  --bg:#f7f9fc;
  --fg:#0f172a;
  --muted:#64748b;
  --accent:#0ea5e9;
  --accent-2:#0d9488;
  --card:#fff;
  --border:#e2e8f0;
  --radius:14px;
  --shadow:0 4px 24px rgba(15,23,42,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter,system-ui,-apple-system,sans-serif;
  color:var(--fg);
  background:var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
.container{max-width:1120px;margin:auto;padding:0 24px}

/* Header */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,249,252,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--fg)}
.logo svg{width:32px;height:32px}
.nav{display:none;gap:28px;list-style:none;font-size:.94rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:999px;font-weight:600;font-size:.94rem;
  border:none;cursor:pointer;transition:transform .15s,opacity .15s;
}
.btn:hover{transform:translateY(-1px);opacity:.92}
.btn-primary{background:var(--accent);color:#fff}
.btn-outline{background:#fff;color:var(--accent);border:1px solid var(--accent)}
.btn-icon{width:44px;height:44px;padding:0;border-radius:50%}

/* Mobile header */
.menu-toggle{display:flex;background:0;border:none;font-size:1.4rem;color:var(--fg);cursor:pointer}
.nav-open{display:flex;flex-direction:column;gap:16px;position:absolute;top:64px;left:0;right:0;background:#fff;padding:20px 24px;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}

/* Hero */
.hero{padding:96px 0 72px;text-align:center}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;letter-spacing:-.02em;line-height:1.1}
.hero p{max-width:560px;margin:16px auto 0;color:var(--muted);font-size:1.1rem}
.hero-buttons{display:flex;gap:12px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.hero-visual{margin-top:56px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:linear-gradient(135deg,#e0f2fe 0%,#f0fdf4 100%);padding:48px 24px}

/* Sections */
.section{padding:72px 0}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:clamp(1.6rem,3.5vw,2.2rem);font-weight:700}
.section-title p{color:var(--muted);margin-top:8px}

/* Cards */
.cards{display:grid;gap:24px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.card-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:grid;place-items:center;color:#fff;font-size:1.25rem;margin-bottom:16px}
.card h3{font-size:1.08rem;font-weight:700;margin-bottom:6px}
.card p{font-size:.92rem;color:var(--muted)}

/* Steps */
.steps{display:flex;flex-direction:column;gap:32px;position:relative}
.step{display:flex;gap:18px;align-items:flex-start}
.step-num{flex-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.9rem}
.step h4{font-weight:700;margin-bottom:4px}
.step p{font-size:.92rem;color:var(--muted)}

/* CTA */
.cta-box{background:linear-gradient(135deg,#0ea5e9,#0d9488);color:#fff;border-radius:var(--radius);padding:56px 32px;text-align:center;box-shadow:var(--shadow)}
.cta-box h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:700}
.cta-box p{margin-top:10px;opacity:.9}
.cta-box .btn-primary{background:#fff;color:var(--accent);margin-top:24px}

/* Footer */
.footer{background:#0f172a;color:#94a3b8;padding:48px 0 28px;font-size:.9rem}
.footer .container{display:flex;flex-direction:column;gap:24px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;list-style:none}
.footer a{color:#94a3b8}
.footer a:hover{color:#cbd5e1}
.footer-copy{text-align:center;border-top:1px solid #1e293b;margin-top:16px;padding-top:20px}

/* Page template (privacy/terms) */
.page-hero{padding:64px 0 40px;text-align:center}
.page-hero h1{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800}
.page-content{max-width:680px;margin:auto;padding-bottom:72px}
.page-content h2{font-size:1.15rem;font-weight:700;margin:32px 0 12px}
.page-content p{margin-bottom:14px;color:var(--muted)}
.page-content ul{margin-left:20px;color:var(--muted);margin-bottom:14px}

/* Join page */
.join-page{min-height:100vh;display:grid;place-items:center;padding:24px}
.join-card{max-width:420px;width:100%;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:36px 28px;text-align:center;box-shadow:var(--shadow)}
.join-card h1{font-size:1.35rem;font-weight:700;margin-bottom:8px}
.join-card p{color:var(--muted);font-size:.95rem;margin-bottom:24px}
.code-box{background:#f1f5f9;border-radius:10px;padding:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.95rem;font-weight:600;letter-spacing:.5px;margin-bottom:20px;word-break:break-all}
.join-actions{display:flex;flex-direction:column;gap:10px}
.error{color:#dc2626;font-weight:600}
.loading-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}
@keyframes spin{to{transform:rotate(360deg)}}

/* Responsive */
@media(min-width:640px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .nav{display:flex}
  .menu-toggle{display:none}
}
@media(min-width:900px){
  .cards{grid-template-columns:repeat(4,1fr)}
}