:root {
  --navy: #0b1f33;
  --navy-2: #123047;
  --paper: #f6f4ef;
  --white: #ffffff;
  --text: #1c2a36;
  --muted: #5c6b78;
  --line: #d9e0e6;
  --accent: #c44b1b;
  --accent-dark: #9e3914;
  --wa: #0b141a;
  --wa-in: #1f2c34;
  --wa-out: #005c4b;
  --danger: #b42318;
  --ok: #067647;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--text);
  line-height: 1.5;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 6vw;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.logo {
  color: var(--navy);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 1.25rem; }
.nav-links a { color: var(--navy-2); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
@media (max-width: 640px) {
  .nav-links a:not(.btn) { display: none; }
}
.btn {
  display: inline-block;
  border: 0;
  border-radius: 4px;
  padding: 0.7rem 1.15rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.95rem;
  font-family: inherit;
}
.btn.primary { background: var(--accent); color: var(--white); }
.btn.primary:hover { background: var(--accent-dark); }
.btn.ghost { background: transparent; color: var(--navy); border: 1px solid var(--line); }
.btn.nav-btn { padding: 0.5rem 0.9rem; }

.hero {
  display: grid;
  gap: 2.5rem;
  padding: 3.5rem 6vw 2.5rem;
  max-width: 1120px;
  margin: 0 auto;
  align-items: center;
}
@media (min-width: 900px) {
  .hero { grid-template-columns: 1.15fr 0.85fr; padding-top: 4.5rem; }
}
.eyebrow {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--navy);
  margin: 0 0 1rem;
}
.lede { font-size: 1.12rem; color: var(--muted); max-width: 36rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.5rem 0 0.75rem; }
.hint { color: var(--muted); font-size: 0.88rem; }

.hero-panel {
  background: var(--navy);
  color: #e8eef4;
  border-radius: 12px;
  padding: 1.35rem 1.4rem 1.5rem;
  box-shadow: 0 24px 50px rgba(11, 31, 51, 0.18);
}
.hero-panel-label { margin: 0 0 1rem; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: #9bb0c2; }
.fake-msg, .fake-reply {
  max-width: 92%;
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  font-size: 0.92rem;
  margin-bottom: 0.55rem;
}
.fake-msg { background: #005c4b; margin-left: auto; }
.fake-reply { background: #1f2c34; }

.stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 2.2rem 6vw;
  background: var(--navy);
  color: var(--white);
}
@media (min-width: 800px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
}
.stats strong { display: block; font-size: 2.4rem; letter-spacing: -0.03em; }
.stats span { color: #b7c6d3; font-size: 0.95rem; }

.why, .tiers { padding: 3.5rem 6vw; max-width: 1120px; margin: 0 auto; }
.why h2, .tiers h2, .cta-band h2 {
  color: var(--navy);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}
.section-lede { color: var(--muted); margin: 0 0 1.75rem; }
.why-grid, .tier-grid { display: grid; gap: 1rem; }
@media (min-width: 800px) {
  .why-grid { grid-template-columns: 1fr 1fr; }
  .tier-grid { grid-template-columns: 1fr 1fr; max-width: 44rem; }
}
.why-grid article, .tier {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.3rem 1.35rem;
}
.why-grid h3 { margin: 0 0 0.4rem; color: var(--navy); font-size: 1.05rem; }
.why-grid p { margin: 0; color: var(--muted); }
.tier.featured { border-color: var(--accent); box-shadow: 0 10px 28px rgba(196, 75, 27, 0.08); }
.badge {
  display: inline-block;
  background: #f8e8e0;
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.45rem;
  border-radius: 3px;
  margin: 0 0 0.4rem;
}
.price { font-size: 2rem; color: var(--navy); margin: 0.2rem 0 0.8rem; }
.price span { font-size: 0.95rem; color: var(--muted); font-weight: 600; }
.tier ul { margin: 0; padding-left: 1.15rem; color: var(--muted); }

.cta-band {
  margin: 0 6vw 3rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2.2rem 1.75rem;
  text-align: center;
}
.cta-band p { color: var(--muted); max-width: 34rem; margin: 0 auto 1.2rem; }

footer {
  background: var(--navy);
  color: #b7c6d3;
  padding: 1.75rem 6vw;
  font-size: 0.88rem;
  text-align: center;
}
footer p { margin: 0.25rem 0; }
footer strong { color: var(--white); }

.demo { background: #e8eef2; min-height: 100vh; padding-bottom: 2rem; }
.demo-banner {
  margin: 0;
  padding: 0.5rem 0.75rem;
  background: var(--navy);
  color: #f0d2c4;
  font-size: 0.78rem;
  text-align: center;
}
.phone {
  max-width: 26rem;
  margin: 1.25rem auto;
  background: var(--wa);
  color: #e8eef4;
  border-radius: 28px;
  overflow: hidden;
  min-height: 34rem;
  box-shadow: 0 22px 50px rgba(11, 31, 51, 0.28);
}
.phone-bar {
  display: flex;
  justify-content: space-between;
  padding: 0.9rem 1rem 0.5rem;
  font-weight: 700;
}
.store { color: #9aa8b5; font-weight: 500; font-size: 0.85rem; }
.tabs { display: flex; border-bottom: 1px solid #233; }
.tab {
  flex: 1;
  background: transparent;
  color: #9aa8b5;
  border: 0;
  padding: 0.7rem 0.3rem;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
}
.tab.is-active { color: #ffb089; box-shadow: inset 0 -2px 0 var(--accent); }
.panel { display: none; padding: 0.75rem; max-height: 32rem; overflow-y: auto; }
.panel.is-active { display: block; }
.thread { min-height: 16rem; display: flex; flex-direction: column; gap: 0.5rem; }
.bubble { max-width: 85%; padding: 0.55rem 0.75rem; border-radius: 12px; font-size: 0.92rem; line-height: 1.4; }
.bubble.in { background: var(--wa-in); align-self: flex-start; }
.bubble.out { background: var(--wa-out); align-self: flex-end; }
.bubble.chart-bubble { max-width: 100%; width: 100%; padding: 0.55rem 0.6rem 0.7rem; }
.bubble.chart-bubble p { margin: 0 0 0.4rem; font-size: 0.8rem; color: #c5d0d8; }
.bubble.chart-bubble .chart-wrap { height: 140px; background: #15232c; border-radius: 8px; padding: 0.35rem; }
.chart-card {
  background: #1a222c;
  border-radius: 12px;
  padding: 0.7rem 0.75rem 0.85rem;
  margin: 0.7rem 0;
}
.chart-card h3 {
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #9aa8b5;
  letter-spacing: 0.02em;
}
.chart-wrap { position: relative; height: 168px; }
.chart-wrap-sm { height: 150px; }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.75rem; }
.chip {
  background: #15232c;
  color: #e8eef4;
  border: 1px solid #345;
  border-radius: 999px;
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
  cursor: pointer;
  font-family: inherit;
}
.panel-kicker, .expected { color: #9aa8b5; font-size: 0.85rem; }
.stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin: 0.75rem 0; }
.stat-row div { background: #1a222c; border-radius: 12px; padding: 0.75rem; }
.stat-row span { display: block; color: #9aa8b5; font-size: 0.75rem; }
.mix-list { list-style: none; padding: 0; margin: 0; }
.mix-list li { background: #1a222c; border-radius: 12px; padding: 0.7rem 0.8rem; margin-bottom: 0.45rem; font-size: 0.9rem; }
.mix-list b { color: #ffb089; display: block; font-size: 0.7rem; }
.demo label { display: block; color: #9aa8b5; font-size: 0.85rem; margin: 0.75rem 0; }
.demo input {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.65rem;
  border-radius: 8px;
  border: 1px solid #345;
  background: #111;
  color: #e8eef4;
  font-size: 1rem;
}
.till-result { margin-top: 0.85rem; padding: 0.75rem; border-radius: 12px; background: #1a222c; }
.till-result.short { outline: 1px solid var(--danger); }
.back { text-align: center; }
.back a { color: var(--accent-dark); font-weight: 600; }