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

:root {
  --bg: #F7F2EC;
  --bg-alt: #EDE8DF;
  --surface: #FFFFFF;
  --fg: #1C1C1C;
  --fg-muted: #6B6B6B;
  --accent: #FFB800;
  --accent-dark: #D99900;
  --dark: #1C1C1C;
  --border: #D9D4CB;
  --radius: 12px;
  --radius-lg: 20px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 { font-family: 'Playfair Display', Georgia, serif; font-weight: 700; line-height: 1.15; }

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-name { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.25rem; color: var(--dark); }
.nav-tagline { font-size: 0.8rem; color: var(--fg-muted); letter-spacing: 0.03em; text-transform: uppercase; }

/* === HERO === */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding: 80px 48px 100px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-dark);
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-headline {
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  color: var(--dark);
  margin-bottom: 28px;
}
.stat-big {
  color: var(--accent);
  font-family: 'Playfair Display', serif;
}
.stat-label {
  font-size: 1.6rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  color: var(--fg-muted);
  display: block;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  margin-bottom: 16px;
  max-width: 480px;
}
.hero-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
  font-size: 0.9rem;
  color: var(--fg-muted);
}
.hero-proof strong { color: var(--dark); }
.proof-divider { color: var(--border); }

/* === PHONE MOCKUP === */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}
.phone-mockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.phone-frame {
  width: 220px;
  background: var(--dark);
  border-radius: 32px;
  padding: 16px 12px 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25), 0 4px 12px rgba(0,0,0,0.15);
  position: relative;
}
.phone-notch {
  width: 70px;
  height: 20px;
  background: var(--dark);
  border-radius: 0 0 14px 14px;
  margin: 0 auto 12px;
}
.phone-time {
  text-align: right;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.phone-carrier {
  text-align: right;
  color: rgba(255,255,255,0.5);
  font-size: 0.65rem;
  margin-bottom: 14px;
}
.notification-card {
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 10px 12px;
  margin-bottom: 8px;
}
.notification-card.incoming { border-left: 3px solid var(--accent); }
.notif-app { color: rgba(255,255,255,0.6); font-size: 0.65rem; margin-bottom: 4px; }
.notif-preview { color: #fff; font-size: 0.8rem; font-weight: 500; line-height: 1.3; }
.notif-from { color: var(--accent); font-size: 0.8rem; font-weight: 500; }

/* === PROBLEM === */
.problem {
  background: var(--dark);
  color: #fff;
  padding: 80px 48px;
}
.problem-header { max-width: 640px; margin: 0 auto 60px; text-align: center; }
.section-title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 16px; }
.section-sub { font-size: 1.05rem; color: rgba(255,255,255,0.6); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto 48px;
}
.problem-card {
  text-align: center;
  padding: 28px 20px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
}
.problem-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 12px;
}
.problem-desc { font-size: 0.9rem; color: rgba(255,255,255,0.7); line-height: 1.5; }
.problem-bottom { text-align: center; color: rgba(255,255,255,0.5); font-size: 0.9rem; max-width: 600px; margin: 0 auto; }

/* === FEATURES === */
.features {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.features-header { margin-bottom: 60px; }
.feature-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 80px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}
.step {
  flex: 1;
  padding: 36px 32px;
}
.step-num {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 16px;
}
.step-title { font-size: 1.1rem; margin-bottom: 10px; color: var(--dark); }
.step-desc { font-size: 0.9rem; color: var(--fg-muted); margin-bottom: 12px; }
.step-example {
  background: var(--bg);
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  font-size: 0.82rem;
  color: var(--fg-muted);
  border-radius: 0 8px 8px 0;
  font-style: italic;
}
.step-connector {
  width: 1px;
  background: var(--border);
  align-self: stretch;
  margin: 36px 0;
  flex-shrink: 0;
}

.feature-blocks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feat-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 28px;
}
.feat-icon { margin-bottom: 16px; }
.feat-title { font-size: 1rem; margin-bottom: 8px; color: var(--dark); }
.feat-desc { font-size: 0.88rem; color: var(--fg-muted); line-height: 1.55; }

/* === ROI MATH === */
.roimath {
  background: var(--bg-alt);
  padding: 80px 48px;
  text-align: center;
}
.roi-grid { max-width: 800px; margin: 0 auto; }
.roi-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.roi-calc {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.roi-label { font-size: 0.75rem; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.roi-value { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 700; color: var(--dark); }
.roi-x, .roi-equals {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--fg-muted);
}
.roi-result {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-left: 20px;
  border-left: 2px solid var(--accent);
  margin-left: 8px;
}
.roi-big {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--accent-dark);
}
.roi-period { font-size: 1rem; color: var(--fg-muted); margin-left: 6px; }
.roi-sub { font-size: 0.85rem; color: var(--fg-muted); margin-top: 4px; }
.roi-note { font-size: 0.9rem; color: var(--fg-muted); max-width: 500px; margin: 28px auto 0; }

/* === TESTIMONIALS === */
.testimonials {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.testimonial-card {
  background: var(--dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}
.quote {
  font-size: 0.95rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.85);
  margin-bottom: 24px;
  font-style: italic;
}
.attribution { display: flex; flex-direction: column; gap: 4px; }
.attribution strong { font-size: 0.88rem; color: var(--accent); }
.attribution span { font-size: 0.78rem; color: rgba(255,255,255,0.5); }

/* === CLOSING === */
.closing {
  background: var(--dark);
  color: #fff;
  padding: 100px 48px;
  text-align: center;
}
.closing-content { max-width: 640px; margin: 0 auto; }
.closing-headline {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 28px;
  color: #fff;
}
.closing-body { font-size: 1.05rem; color: rgba(255,255,255,0.7); margin-bottom: 20px; line-height: 1.7; }

/* === FOOTER === */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 40px 48px;
  text-align: center;
}
.footer-brand { display: flex; align-items: center; justify-content: center; gap: 10px; font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.1rem; color: var(--dark); margin-bottom: 10px; }
.footer-tagline { font-size: 0.85rem; color: var(--fg-muted); margin-bottom: 8px; }
.footer-copy { font-size: 0.75rem; color: var(--fg-muted); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 60px 24px 80px; }
  .hero-right { order: -1; }
  .phone-frame { width: 180px; }
  .problem { padding: 60px 24px; }
  .problem-grid { grid-template-columns: 1fr; gap: 20px; }
  .features { padding: 60px 24px; }
  .feature-steps { flex-direction: column; }
  .step-connector { width: 100%; height: 1px; margin: 0; }
  .feature-blocks { grid-template-columns: 1fr; }
  .roimath { padding: 60px 24px; }
  .roi-card { flex-direction: column; gap: 12px; }
  .roi-result { border-left: none; border-top: 2px solid var(--accent); padding-left: 0; padding-top: 12px; align-items: center; }
  .testimonials { padding: 60px 24px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .closing { padding: 60px 24px; }
}

@media (max-width: 480px) {
  .nav-tagline { display: none; }
  .phone-frame { width: 160px; }
}