:root {
  --ink: #102231;
  --muted: #536573;
  --paper: #f4f0e8;
  --white: #fffdf9;
  --copper: #8d3f1f;
  --blue: #163f58;
  --line: rgba(16, 34, 49, .15);
  --green: #287159;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: inherit; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.nav { min-height: 78px; display: flex; justify-content: space-between; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); font-weight: 900; letter-spacing: -.03em; text-decoration: none; }
.brand span, .kicker { color: var(--copper); }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: .88rem; font-weight: 800; }
.nav-links a { text-decoration: none; }
.button { display: inline-flex; min-height: 48px; padding: 0 22px; align-items: center; justify-content: center; border: 0; border-radius: 999px; background: var(--copper); color: white; font: inherit; font-weight: 900; text-decoration: none; cursor: pointer; }
.button.secondary { border: 1px solid var(--line); background: transparent; color: var(--ink); }
.hero { display: grid; grid-template-columns: 1.13fr .87fr; align-items: center; gap: clamp(40px, 7vw, 88px); padding: 88px 0 94px; }
.kicker { margin: 0 0 14px; font-size: .78rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; font-family: Georgia, "Times New Roman", serif; line-height: 1.05; letter-spacing: -.045em; }
h1 { margin-bottom: 24px; font-size: clamp(3.35rem, 7vw, 6.2rem); font-weight: 500; }
h2 { margin-bottom: 20px; font-size: clamp(2.35rem, 5vw, 4.2rem); font-weight: 500; }
h3 { margin-bottom: 10px; font-size: 1.55rem; }
.lead, .section-lead { max-width: 760px; color: var(--muted); font-size: 1.14rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.panel { padding: 32px; border-radius: 28px; background: var(--blue); color: white; box-shadow: 0 24px 70px rgba(16,34,49,.17); }
.panel p { color: rgba(255,255,255,.78); }
.panel ul { margin: 22px 0 0; padding: 0; list-style: none; }
.panel li { padding: 11px 0; border-top: 1px solid rgba(255,255,255,.18); }
.app-demo { margin: 38px auto 30px; text-align: center; }
.app-demo video { display: block; width: min(100%, 420px); aspect-ratio: 9 / 16; margin: 0 auto; border-radius: 28px; background: var(--ink); box-shadow: 0 24px 70px rgba(16,34,49,.2); }
.app-demo figcaption { margin-top: 12px; color: var(--muted); font-size: .9rem; }
.section { padding: 78px 0; }
.white { background: var(--white); }
.dark { background: var(--ink); color: white; }
.dark .section-lead { color: rgba(255,255,255,.72); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.42); }
.card p { color: var(--muted); }
.dark .card { border-color: rgba(255,255,255,.15); background: rgba(255,255,255,.04); }
.dark .card p { color: rgba(255,255,255,.72); }
.city-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.city-grid span { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--white); font-weight: 800; font-size: .88rem; }
.proof-list { margin: 28px 0 0; padding: 0; list-style: none; }
.proof-list li { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 16px 0; border-top: 1px solid var(--line); }
.proof-list b { color: var(--copper); }
.faq details { padding: 18px 0; border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 900; }
.faq details p { max-width: 780px; color: var(--muted); }
.cta { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; }
.calculator { display: grid; grid-template-columns: 1fr .8fr; gap: 36px; align-items: start; margin-top: 34px; }
.fields { display: grid; gap: 18px; }
label { display: grid; gap: 7px; font-weight: 850; }
input { width: 100%; min-height: 48px; padding: 10px 13px; border: 1px solid var(--line); border-radius: 10px; background: white; color: var(--ink); font: inherit; }
.result { position: sticky; top: 22px; padding: 32px; border-radius: 24px; background: var(--blue); color: white; }
.result strong { display: block; margin: 4px 0 12px; font: 500 clamp(3rem, 6vw, 5rem)/1 Georgia, serif; letter-spacing: -.06em; }
.result p { color: rgba(255,255,255,.75); }
.fine { color: var(--muted); font-size: .86rem; }
.status-badge { display: inline-flex; margin: 0 0 18px; padding: 7px 12px; border: 1px solid rgba(255,255,255,.26); border-radius: 999px; background: rgba(255,255,255,.1); color: white !important; font-size: .8rem; font-weight: 850; }
.waitlist { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 7vw, 80px); align-items: center; }
.waitlist-form { display: grid; gap: 16px; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: var(--white); box-shadow: 0 18px 55px rgba(16,34,49,.1); }
.waitlist-form .button { width: 100%; }
.waitlist-form .fine { margin: 0; }
footer { padding: 34px 0 45px; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
.footer-row { display: flex; justify-content: space-between; gap: 22px; }
@media (max-width: 820px) {
  .nav-links a:not(.button) { display: none; }
  .hero, .calculator, .cta, .waitlist { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .result { position: static; }
}
@media (max-width: 520px) {
  .shell { width: min(100% - 28px, 1120px); }
  .hero { padding: 58px 0 66px; }
  .section { padding: 60px 0; }
  .footer-row { flex-direction: column; }
}