:root {
  --bg: #f8f7f4;
  --bg-dark: #1a1a2e;
  --fg: #1a1a2e;
  --fg-muted: #6b7280;
  --accent: #f97316;
  --accent-dark: #ea580c;
  --accent-light: #fff3e8;
  --surface: #ffffff;
  --border: #e5e7eb;
  --text-inverse: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Archivo', sans-serif; font-weight: 800; }

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 64px;
  background: rgba(248, 247, 244, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}
.nav-logo {
  font-family: 'Archivo', sans-serif;
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
  color: var(--fg);
}
.nav-badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--accent);
  color: white;
  padding: 3px 8px;
  border-radius: 3px;
}

/* HERO */
.hero {
  padding: 140px 40px 80px;
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.hero-headline {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  gap: 32px;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-number {
  font-family: 'Archivo', sans-serif;
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--fg-muted);
  line-height: 1.3;
  max-width: 90px;
}

/* PHONE FRAME */
.hero-visual { display: flex; justify-content: center; }
.phone-frame {
  width: 280px;
  background: var(--bg-dark);
  border-radius: 32px;
  padding: 12px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.18), 0 0 0 1px rgba(255,255,255,0.08);
}
.phone-header {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-bottom: 8px;
  padding-top: 4px;
}
.phone-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}
.phone-screen {
  background: #252540;
  border-radius: 22px;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 360px;
}
.call-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.65rem;
  color: #22c55e;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.call-icon {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.caller-info {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  padding: 4px 0;
}
.ai-bubble, .caller-bubble {
  max-width: 88%;
  padding: 8px 10px;
  border-radius: 12px;
  font-size: 0.7rem;
  line-height: 1.4;
}
.ai-bubble { background: rgba(249, 115, 22, 0.2); color: #fff; border-bottom-left-radius: 4px; }
.caller-bubble { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.9); align-self: flex-end; border-bottom-right-radius: 4px; }
.booking-confirmed { background: rgba(34, 197, 94, 0.2); border: 1px solid rgba(34, 197, 94, 0.3); }
.booked-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #22c55e;
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 20px;
  align-self: flex-start;
  margin-top: 4px;
}

/* PROBLEM SECTION */
.problem {
  background: var(--fg);
  color: var(--text-inverse);
  padding: 100px 40px;
}
.problem-inner { max-width: 1100px; margin: 0 auto; }
.problem-header { margin-bottom: 60px; }
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.problem h2, .howitworks h2, .features-headline {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.5px;
}
.problem h2 { color: #fff; }
.problem-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.problem-card { padding: 32px; background: rgba(255,255,255,0.06); border-radius: 16px; border: 1px solid rgba(255,255,255,0.08); }
.problem-icon-miss::before { content: ''; display: block; width: 48px; height: 48px; background: var(--accent); border-radius: 10px; margin-bottom: 20px; }
.problem-icon-voicemail::before { content: ''; display: block; width: 48px; height: 48px; background: rgba(249, 115, 22, 0.4); border-radius: 10px; margin-bottom: 20px; }
.problem-icon-noanswer::before { content: ''; display: block; width: 48px; height: 48px; background: rgba(249, 115, 22, 0.2); border-radius: 10px; margin-bottom: 20px; }
.problem-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: #fff; }
.problem-card p { font-size: 0.9rem; color: rgba(255,255,255,0.65); line-height: 1.6; }

/* FEATURES SECTION */
.features { background: var(--bg); padding: 100px 40px; }
.features-inner { max-width: 1100px; margin: 0 auto; }
.features-headline { color: var(--fg); margin-bottom: 56px; max-width: 560px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { padding: 28px; background: var(--surface); border-radius: 14px; border: 1px solid var(--border); }
.feature-num { font-family: 'Archivo', sans-serif; font-weight: 900; font-size: 2rem; color: var(--accent); line-height: 1; margin-bottom: 16px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--fg); }
.feature-card p { font-size: 0.85rem; color: var(--fg-muted); line-height: 1.55; }

/* HOW IT WORKS */
.howitworks { background: var(--surface); padding: 100px 40px; border-top: 1px solid var(--border); }
.howitworks-inner { max-width: 900px; margin: 0 auto; }
.howitworks-header { margin-bottom: 56px; }
.howitworks h2 { color: var(--fg); }
.vertical-list { display: flex; flex-direction: column; gap: 0; }
.vertical-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.vertical-item:last-child { border-bottom: none; }
.vertical-icon-hvac, .vertical-icon-roofing, .vertical-icon-electric {
  width: 56px; height: 56px;
  border-radius: 12px;
  background: var(--accent-light);
}
.vertical-text h3 { font-size: 1.1rem; font-weight: 700; color: var(--fg); margin-bottom: 8px; }
.vertical-text p { font-size: 0.95rem; color: var(--fg-muted); line-height: 1.6; max-width: 600px; }

/* CLOSING */
.closing { background: var(--bg-dark); padding: 100px 40px; text-align: center; }
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; color: #fff; margin-bottom: 24px; line-height: 1.15; letter-spacing: -1px; }
.closing p { font-size: 1.1rem; color: rgba(255,255,255,0.7); line-height: 1.7; margin-bottom: 40px; }
.closing-statement p { font-size: 0.95rem; color: rgba(255,255,255,0.45); font-style: italic; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 32px; margin-top: 32px; }

/* FOOTER */
.site-footer { background: var(--fg); padding: 48px 40px; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.footer-logo { font-family: 'Archivo', sans-serif; font-weight: 900; font-size: 1.1rem; color: #fff; display: block; margin-bottom: 6px; }
.footer-brand p { font-size: 0.8rem; color: rgba(255,255,255,0.5); }
.footer-tagline { font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
  .problem-cards { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .vertical-item { grid-template-columns: 56px 1fr; gap: 20px; }
  .hero-stats { gap: 20px; }
}
@media (max-width: 600px) {
  .hero, .problem, .features, .howitworks, .closing { padding: 80px 24px 60px; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .navbar { padding: 0 24px; }
  .hero-stats { flex-wrap: wrap; }
}