/* ═══════════════════════════════════════════════════
   BigBro AI — Website Styles (v2 — 15 agents edition)
   Dark/Orange theme matching the app
   ═══════════════════════════════════════════════════ */

:root {
  --bg: #0D0D0F;
  --bg-mid: #161619;
  --bg-card: #1C1C21;
  --bg-surface: #25252D;
  --orange: #FF6B35;
  --orange-dim: rgba(255, 107, 53, 0.14);
  --red: #EF4444;
  --gold: #FFB84D;
  --green: #4ADE80;
  --white: #FFFFFF;
  --text-primary: #F0F0F4;
  --text-secondary: #9BA0A8;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--orange); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .85; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Buttons ────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 14px;
  font-weight: 600; font-size: 15px;
  border: none; cursor: pointer; transition: all .25s;
}
.btn-sm { padding: 8px 18px; font-size: 13px; border-radius: 10px; }
.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--red));
  color: var(--white); box-shadow: 0 4px 20px rgba(255,107,53,.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(255,107,53,.42); color: var(--white); }
.btn-ghost { background: transparent; color: var(--text-primary); border: 1px solid rgba(255,107,53,.24); }
.btn-ghost:hover { background: var(--orange-dim); color: var(--white); }
.btn-lg { padding: 16px 36px; font-size: 17px; border-radius: 16px; }
.gradient-text {
  background: linear-gradient(135deg, var(--orange), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Nav ────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(13, 13, 15, 0.85); backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,107,53,0.08);
}
.nav-content { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 8px; color: var(--white); font-weight: 800; font-size: 20px; }
.logo-img { width: 36px; height: 36px; border-radius: 10px; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text-secondary); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--white); }
.nav-links .btn { color: var(--white); background: var(--orange-dim); border: 1px solid rgba(255,107,53,.28); }

/* ── Hero ───────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 100px 0 80px; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 50%, rgba(255,107,53,.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 30%, rgba(255,184,77,.08) 0%, transparent 60%);
}
.hero-content { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; position: relative; }
.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 20px;
  background: var(--orange-dim); border: 1px solid rgba(255,107,53,.22);
  font-size: 13px; font-weight: 600; color: var(--orange); margin-bottom: 20px;
}
.hero h1 { font-size: 60px; font-weight: 900; line-height: 1.05; margin-bottom: 20px; letter-spacing: -1.5px; }
.hero-subtitle { font-size: 18px; color: var(--text-secondary); max-width: 540px; margin-bottom: 32px; line-height: 1.7; }
.hero-buttons { margin-bottom: 40px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 28px; font-weight: 800; color: var(--orange); }
.stat-label { font-size: 13px; color: var(--text-secondary); }
.hero-visual { text-align: center; }
.phone-mockup { max-width: 340px; width: 100%; }

/* ── Value strip ────────────────────────────────── */
.value-strip {
  padding: 28px 0;
  background: var(--bg-mid);
  border-top: 1px solid rgba(255,107,53,.08);
  border-bottom: 1px solid rgba(255,107,53,.08);
}
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-item { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text-primary); font-weight: 500; }
.value-icon { font-size: 24px; }

/* ── Sections ───────────────────────────────────── */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-mid); }
.section-header { text-align: center; margin-bottom: 60px; max-width: 760px; margin-left: auto; margin-right: auto; }
.section-label {
  display: inline-block; padding: 6px 14px; border-radius: 16px;
  background: var(--orange-dim); color: var(--orange);
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 16px;
}
.section-header h2 { font-size: 42px; font-weight: 800; margin-bottom: 16px; letter-spacing: -1px; }
.section-header p { font-size: 17px; color: var(--text-secondary); }

/* ── Agent grid ─────────────────────────────────── */
.agent-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.agent-card {
  background: var(--bg-card); border-radius: 18px; padding: 24px 20px;
  border: 1px solid rgba(255,107,53,.08); transition: all .3s;
}
.agent-card:hover {
  border-color: rgba(255,107,53,.28); transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.45);
}
.agent-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; margin-bottom: 14px;
}
.agent-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; color: var(--white); }
.agent-card p { font-size: 12.5px; color: var(--text-secondary); line-height: 1.55; }

/* ── Feature grid ───────────────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card {
  background: var(--bg-card); border-radius: 20px; padding: 32px 26px;
  border: 1px solid rgba(255,107,53,.08); transition: all .3s;
}
.feature-card:hover {
  border-color: rgba(255,107,53,.24); transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0,0,0,.35);
}
.feature-icon { font-size: 36px; margin-bottom: 16px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--white); }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

/* ── Steps ──────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.step { text-align: center; padding: 36px 24px; }
.step-num {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--orange), var(--red));
  font-size: 22px; font-weight: 800; color: var(--white);
  box-shadow: 0 4px 20px rgba(255,107,53,.3);
}
.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step p { font-size: 14px; color: var(--text-secondary); }

/* ── Privacy card ───────────────────────────────── */
.privacy-card {
  text-align: center; padding: 50px 40px; border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,107,53,.08), rgba(74,222,128,.04));
  border: 1px solid rgba(255,107,53,.14);
  max-width: 760px; margin: 0 auto;
}
.privacy-icon { font-size: 42px; margin-bottom: 16px; }
.privacy-card h3 { font-size: 24px; font-weight: 800; margin-bottom: 12px; }
.privacy-card p { font-size: 15px; color: var(--text-secondary); margin-bottom: 24px; line-height: 1.7; }
.privacy-links { display: flex; gap: 24px; justify-content: center; }
.privacy-links a { font-size: 14px; font-weight: 600; }

/* ── CTA Section ────────────────────────────────── */
.cta-section { padding: 80px 0 120px; }
.cta-card {
  text-align: center; padding: 70px 40px; border-radius: 28px;
  background: linear-gradient(135deg, rgba(255,107,53,.12), rgba(255,184,77,.06));
  border: 1px solid rgba(255,107,53,.2);
}
.cta-card h2 { font-size: 42px; font-weight: 800; margin-bottom: 16px; letter-spacing: -1px; }
.cta-card p { font-size: 17px; color: var(--text-secondary); margin-bottom: 32px; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── Footer ─────────────────────────────────────── */
.footer {
  padding: 60px 0 30px;
  background: var(--bg-mid); border-top: 1px solid rgba(255,107,53,.08);
}
.footer-content {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 40px; margin-bottom: 40px;
}
.footer-brand { display: flex; flex-direction: column; gap: 6px; max-width: 300px; }
.footer-brand .logo-img { width: 40px; height: 40px; }
.footer-tag { font-size: 13px; color: var(--text-secondary); margin-top: 6px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { font-size: 14px; color: var(--text-secondary); }
.footer-links a:hover { color: var(--orange); }
.footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.05); }
.footer-bottom p { font-size: 12px; color: var(--text-secondary); }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 1024px) {
  .agent-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero h1 { font-size: 40px; }
  .hero-subtitle { margin: 0 auto 28px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .section-header h2, .cta-card h2 { font-size: 30px; }
  .agent-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .nav-links a:not(.btn) { display: none; }
}
@media (max-width: 480px) {
  .agent-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .agent-card { padding: 18px 14px; }
  .value-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .cta-card { padding: 44px 20px; }
}