/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #070d0a;
  --surface: #0d1a14;
  --surface2: #132218;
  --fg: #e8f4ee;
  --fg-dim: #8898aa;
  --accent: #f59e0b;
  --accent-dim: #b47408;
  --green: #4ade80;
  --border: rgba(255,255,255,.06);
  --radius: 16px;
  --radius-sm: 8px;
}

html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; line-height: 1.2; }

/* ===== NAVBAR ===== */
.navbar { border-bottom: 1px solid var(--border); padding: 0 24px; }
.nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 1.1rem; }
.nav-tag { font-size: .75rem; color: var(--fg-dim); background: var(--surface); padding: 4px 12px; border-radius: 20px; border: 1px solid var(--border); letter-spacing: .03em; }
.nav-demo-btn { font-size: .8rem; font-weight: 600; color: #0a3d2e; background: var(--accent); padding: 6px 16px; border-radius: 20px; text-decoration: none; transition: background 0.2s; }
.nav-demo-btn:hover { background: #d97706; }

/* ===== HERO ===== */
.hero { padding: 80px 24px 64px; }
.hero-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 480px; gap: 64px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; font-size: .75rem; color: var(--green); background: rgba(74,222,128,.1); border: 1px solid rgba(74,222,128,.2); padding: 6px 14px; border-radius: 20px; margin-bottom: 28px; letter-spacing: .03em; font-weight: 500; }
.hero-headline { font-size: clamp(2.4rem, 4vw, 3.8rem); font-weight: 700; color: var(--fg); margin-bottom: 20px; letter-spacing: -.03em; }
.hero-sub { font-size: 1.05rem; color: var(--fg-dim); max-width: 480px; margin-bottom: 28px; line-height: 1.7; }
.hero-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.chip { font-size: .78rem; padding: 5px 14px; background: var(--surface2); border: 1px solid var(--border); border-radius: 20px; color: var(--fg-dim); font-weight: 500; }
.chip-sep { color: var(--accent); font-weight: 700; }

/* ===== PHONE MOCKUP ===== */
.hero-phone { display: flex; justify-content: center; }
.phone-shell { width: 300px; background: #1a2e24; border-radius: 36px; padding: 12px; border: 1px solid rgba(255,255,255,.08); box-shadow: 0 32px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.04) inset; }
.phone-notch { width: 80px; height: 24px; background: #0d1a14; border-radius: 0 0 16px 16px; margin: 0 auto 8px; }
.phone-screen { background: #0f2018; border-radius: 28px; overflow: hidden; height: 480px; display: flex; flex-direction: column; }
.wa-header { display: flex; align-items: center; gap: 10px; padding: 12px 14px; background: #162b1e; border-bottom: 1px solid rgba(255,255,255,.05); }
.wa-avatar { width: 36px; height: 36px; background: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: .9rem; color: #0a3d2e; flex-shrink: 0; }
.wa-name-block { flex: 1; }
.wa-name { display: block; font-size: .85rem; font-weight: 600; color: var(--fg); font-family: 'Space Grotesk', sans-serif; }
.wa-status { font-size: .7rem; color: var(--green); }
.wa-chat { flex: 1; padding: 12px 14px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; }
.msg-customer { display: flex; }
.msg-customer span { background: #254430; color: var(--fg); padding: 8px 12px; border-radius: 16px 16px 16px 4px; font-size: .78rem; max-width: 75%; line-height: 1.5; }
.msg-time { font-size: .65rem; color: var(--fg-dim); margin: 2px 0; opacity: .5; }
.msg-ai { display: flex; flex-direction: column; gap: 4px; }
.msg-ai span { background: var(--surface2); color: var(--fg); padding: 8px 12px; border-radius: 4px 16px 16px 16px; font-size: .78rem; max-width: 80%; line-height: 1.5; }
.ai-slots { display: flex; gap: 6px; flex-wrap: wrap; margin: 4px 0; }
.slot { background: #0a3d2e; color: var(--accent); padding: 5px 10px; border-radius: 8px; font-size: .72rem; font-weight: 600; border: 1px solid rgba(245,158,11,.3); cursor: pointer; }
.msg-typing { display: flex; gap: 4px; align-items: center; padding: 8px 12px; }
.dot { width: 6px; height: 6px; background: var(--fg-dim); border-radius: 50%; animation: typing 1.2s infinite; opacity: .4; }
.dot:nth-child(2) { animation-delay: .2s; }
.dot:nth-child(3) { animation-delay: .4s; }
@keyframes typing { 0%,60%,100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-4px); opacity: 1; } }
.wa-input-bar { padding: 10px 14px; background: #162b1e; border-top: 1px solid rgba(255,255,255,.05); display: flex; align-items: center; gap: 8px; }
.wa-input { flex: 1; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 8px 14px; font-size: .75rem; color: var(--fg-dim); }
.wa-send { width: 32px; height: 32px; background: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; cursor: pointer; }

/* ===== STATS ROW ===== */
.stats-row { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 32px 24px; display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; }
.stat { text-align: center; padding: 0 40px; }
.stat-num { display: block; font-family: 'Space Grotesk', sans-serif; font-size: 2.2rem; font-weight: 700; color: var(--accent); margin-bottom: 4px; }
.stat-label { font-size: .8rem; color: var(--fg-dim); line-height: 1.4; max-width: 180px; }
.stat-div { width: 1px; height: 48px; background: var(--border); flex-shrink: 0; }

/* ===== SECTION TYPOGRAPHY ===== */
.section-label { font-size: .7rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.section-title { font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 700; color: var(--fg); margin-bottom: 56px; letter-spacing: -.02em; line-height: 1.2; }

/* ===== HOW IT WORKS ===== */
.how { padding: 96px 24px; max-width: 1200px; margin: 0 auto; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step { padding: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); position: relative; }
.step-num { font-family: 'Space Grotesk', sans-serif; font-size: .65rem; font-weight: 700; letter-spacing: .1em; color: var(--accent); background: rgba(245,158,11,.1); border: 1px solid rgba(245,158,11,.2); display: inline-block; padding: 3px 10px; border-radius: 20px; margin-bottom: 20px; }
.step-icon { margin-bottom: 16px; }
.step h3 { font-size: 1.1rem; font-weight: 600; color: var(--fg); margin-bottom: 10px; }
.step p { font-size: .875rem; color: var(--fg-dim); line-height: 1.7; }

/* ===== FEATURES ===== */
.features { padding: 96px 24px; max-width: 1200px; margin: 0 auto; }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat { padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.feat-icon { width: 44px; height: 44px; background: rgba(245,158,11,.1); border: 1px solid rgba(245,158,11,.15); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.feat h3 { font-size: 1rem; font-weight: 600; color: var(--fg); margin-bottom: 8px; }
.feat p { font-size: .82rem; color: var(--fg-dim); line-height: 1.7; }

/* ===== USE CASE ===== */
.use-case { padding: 96px 24px; max-width: 1200px; margin: 0 auto; text-align: center; }
.uc-badge { display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--green); background: rgba(74,222,128,.08); border: 1px solid rgba(74,222,128,.2); padding: 5px 16px; border-radius: 20px; margin-bottom: 24px; }
.uc-title { font-size: clamp(1.6rem, 2.5vw, 2.2rem); font-weight: 700; color: var(--fg); margin-bottom: 40px; line-height: 1.3; letter-spacing: -.02em; }
.uc-flow { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }
.flow-node { background: var(--surface2); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; max-width: 220px; text-align: center; }
.flow-node .flow-icon { margin-bottom: 10px; display: flex; justify-content: center; }
.flow-node span { font-size: .78rem; color: var(--fg-dim); line-height: 1.5; }
.flow-arrow { color: var(--green); display: flex; align-items: center; }
.uc-cta { font-size: .875rem; color: var(--fg-dim); max-width: 520px; margin: 0 auto; line-height: 1.7; }

/* ===== PRICING ===== */
.pricing-section { padding: 96px 24px; max-width: 1200px; margin: 0 auto; }
.pricing-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 24px; }
.price-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; position: relative; }
.price-card.featured { border-color: var(--accent); background: linear-gradient(180deg, rgba(245,158,11,.05) 0%, transparent 100%); }
.pc-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #0a3d2e; font-size: .68rem; font-weight: 700; padding: 4px 16px; border-radius: 20px; letter-spacing: .05em; text-transform: uppercase; }
.pc-label { font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.pc-price { font-family: 'Space Grotesk', sans-serif; font-size: 2.4rem; font-weight: 700; color: var(--fg); margin-bottom: 8px; }
.pc-price span { font-size: 1rem; color: var(--fg-dim); font-weight: 400; }
.pc-desc { font-size: .8rem; color: var(--fg-dim); margin-bottom: 24px; line-height: 1.5; }
.pc-features { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.pc-features li { font-size: .85rem; color: var(--fg-dim); display: flex; align-items: flex-start; gap: 10px; }
.pc-features li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }
.pricing-note { font-size: .78rem; color: var(--fg-dim); text-align: center; }

/* ===== CLOSING ===== */
.closing { padding: 96px 24px; background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%); border-top: 1px solid var(--border); }
.closing-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.closing-title { font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 700; color: var(--fg); margin-bottom: 20px; letter-spacing: -.03em; }
.closing-sub { font-size: 1rem; color: var(--fg-dim); max-width: 520px; margin: 0 auto 48px; line-height: 1.7; }
.closing-stats { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.cs { text-align: center; }
.cs-n { display: block; font-family: 'Space Grotesk', sans-serif; font-size: 2rem; font-weight: 700; color: var(--accent); margin-bottom: 6px; }
.cs-l { font-size: .8rem; color: var(--fg-dim); max-width: 140px; line-height: 1.4; }

/* ===== FOOTER ===== */
footer { padding: 48px 24px; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.footer-brand { display: flex; align-items: center; justify-content: center; gap: 10px; font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 1rem; color: var(--fg); margin-bottom: 8px; }
.footer-tag { font-size: .8rem; color: var(--fg-dim); margin-bottom: 8px; }
.footer-copy { font-size: .75rem; color: var(--fg-dim); opacity: .5; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-phone { display: none; }
  .steps-grid, .feat-grid, .pricing-cards { grid-template-columns: 1fr; }
  .stats-row { flex-direction: column; gap: 24px; }
  .stat-div { display: none; }
  .closing-stats { gap: 32px; }
}

@media (max-width: 480px) {
  .hero { padding: 48px 16px 40px; }
  .how, .features, .use-case, .pricing-section { padding: 64px 16px; }
  .closing { padding: 64px 16px; }
  .section-title { font-size: 1.8rem; }
}