/* TillMint marketing site. Same design DNA as the app: slate + emerald,
   system fonts (fast, no tracking), generous touch targets. */

:root {
  --bg: #0f172a;
  --bg-deep: #0a101f;
  --surface: #1e293b;
  --surface-2: #334155;
  --text: #f8fafc;
  --dim: #94a3b8;
  --accent: #34d399;
  --accent-deep: #10b981;
  --accent-text: #052e1b;
  --radius: 16px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

a { color: inherit; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.nav nav { display: flex; align-items: center; gap: clamp(10px, 2.5vw, 26px); }
.nav nav a { text-decoration: none; color: var(--dim); font-weight: 600; font-size: 15px; }
.nav nav a:hover { color: var(--text); }
.nav nav a.cta {
  color: var(--accent-text);
  background: var(--accent);
  padding: 10px 18px;
  border-radius: 999px;
}
@media (max-width: 640px) {
  .nav nav a:not(.cta) { display: none; }
}

/* ---------- Buttons ---------- */
.btn-primary, .btn-ghost {
  display: inline-block;
  text-decoration: none;
  font-weight: 800;
  border-radius: 999px;
  padding: 15px 30px;
  font-size: 17px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: var(--accent-text);
  box-shadow: 0 8px 30px rgba(52, 211, 153, 0.25);
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-primary.big { font-size: 19px; padding: 18px 40px; }
.btn-ghost { color: var(--dim); }
.btn-ghost:hover { color: var(--text); }

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(40px, 8vh, 96px) 24px 40px;
}
.kicker {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
  margin: 0 0 14px;
}
.hero h1 {
  font-size: clamp(34px, 5.2vw, 58px);
  line-height: 1.08;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), #6ee7b7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .sub { color: var(--dim); font-size: 18px; max-width: 52ch; margin: 0 0 28px; }
.hero-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-points {
  list-style: none;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
  color: var(--dim);
  font-size: 15px;
}
.hero-points strong { color: var(--text); }
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero .sub { margin-inline: auto; }
  .hero-actions, .hero-points { justify-content: center; }
  .phone { margin: 0 auto; }
}

/* ---------- Phone mockup ---------- */
.phone {
  width: min(300px, 80vw);
  border-radius: 42px;
  padding: 12px;
  background: linear-gradient(160deg, #253349, #101827);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), inset 0 0 0 1px rgba(148, 163, 184, 0.2);
  transform: rotate(2.5deg);
}
.phone-screen {
  background: var(--bg);
  border-radius: 32px;
  padding: 16px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 460px;
}
.ps-head { display: flex; justify-content: space-between; align-items: center; font-size: 13px; font-weight: 700; padding: 0 4px; }
.ps-badge { font-size: 10px; color: var(--accent); background: var(--surface); padding: 4px 8px; border-radius: 999px; font-weight: 700; }
.ps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; flex: 1; align-content: start; }
.ps-tile {
  background: var(--surface);
  border-radius: 12px;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 4px;
}
.ps-tile span { font-size: 22px; }
.ps-tile b { font-size: 9.5px; font-weight: 700; }
.ps-tile i { font-style: normal; font-size: 10px; color: var(--accent); font-weight: 800; }
.ps-quick { background: transparent; border: 2px dashed var(--surface-2); }
.ps-chargebar { display: flex; gap: 8px; }
.ps-cart { background: var(--surface-2); border-radius: 12px; padding: 12px 12px; font-size: 12px; font-weight: 700; }
.ps-charge {
  flex: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: var(--accent-text);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 14px;
}

/* ---------- Strip ---------- */
.strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: rgba(148, 163, 184, 0.12);
  border-block: 1px solid rgba(148, 163, 184, 0.12);
  margin-top: 24px;
}
.strip div {
  background: var(--bg-deep);
  padding: 22px 18px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.strip b { font-size: 17px; }
.strip span { color: var(--dim); font-size: 13.5px; }

/* ---------- Sections ---------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(56px, 10vh, 110px) 24px;
}
.section h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 34px;
}
.section.dark {
  max-width: none;
  background: var(--bg-deep);
  border-block: 1px solid rgba(148, 163, 184, 0.12);
}
.section.dark .split { max-width: var(--maxw); margin: 0 auto; }
.section p { color: var(--dim); font-size: 17px; }
.section p strong, .section li b { color: var(--text); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.step {
  background: var(--surface);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.step-num {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: var(--accent-text);
  font-weight: 900;
  font-size: 19px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.step h3 { margin: 0 0 10px; font-size: 20px; }
.step p { font-size: 15.5px; margin: 0; }

/* ---------- Checklist / AI card ---------- */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.checklist li {
  background: var(--surface);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 12px;
  padding: 16px 18px;
  color: var(--dim);
  font-size: 15.5px;
}
.checklist b { display: block; font-size: 16px; }

.ai-card {
  background: var(--surface);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ai-row {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15.5px;
}
.ai-row:nth-child(odd) { background: rgba(148, 163, 184, 0.06); }
.ai-ok { color: var(--accent); font-weight: 900; }
.ai-no { color: #f87171; font-weight: 900; }

/* ---------- FAQ ---------- */
.faq { display: flex; flex-direction: column; gap: 12px; max-width: 760px; }
.faq details {
  background: var(--surface);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 12px;
  padding: 4px 20px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 17px;
  padding: 14px 0;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; float: right; color: var(--accent); font-weight: 900; }
.faq details[open] summary::after { content: '−'; }
.faq p { margin: 0 0 16px; font-size: 15.5px; }

/* ---------- Final CTA / footer ---------- */
.cta-final { text-align: center; }
.cta-final p { max-width: 56ch; margin: 0 auto 30px; }

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 24px 40px;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  color: var(--dim);
  font-size: 14px;
}
.footer > div { display: flex; align-items: center; gap: 10px; }
.foot-links { display: flex; gap: 20px; }
.foot-links a { color: var(--dim); text-decoration: none; }
.foot-links a:hover { color: var(--text); }

/* ---------- Reveal animation (JS adds .in; reduced-motion safe) ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn-primary:hover { transform: none; }
}

/* ---------- Registration page ---------- */
.reg-wrap {
  max-width: 520px;
  margin: 0 auto;
  padding: clamp(36px, 7vh, 80px) 24px 80px;
}
.reg-wrap h1 { font-size: clamp(28px, 4.5vw, 38px); letter-spacing: -0.02em; margin: 0 0 10px; }
.reg-wrap .lede { color: var(--dim); margin: 0 0 30px; }
.reg-form { display: flex; flex-direction: column; gap: 16px; }
.reg-form label { display: flex; flex-direction: column; gap: 7px; font-weight: 600; font-size: 14.5px; }
.reg-form .optional { color: var(--dim); font-weight: 400; }
.reg-form input, .reg-form select {
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--surface-2);
  border-radius: 12px;
  min-height: 52px;
  padding: 0 16px;
}
.reg-form input:focus, .reg-form select:focus { outline: 2px solid var(--accent); border-color: transparent; }
.reg-form button {
  font: inherit;
  font-weight: 800;
  font-size: 17px;
  color: var(--accent-text);
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  border: none;
  border-radius: 999px;
  min-height: 56px;
  cursor: pointer;
  margin-top: 6px;
}
.reg-form button:disabled { opacity: 0.6; cursor: default; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.reg-msg { border-radius: 12px; padding: 16px 18px; font-weight: 600; display: none; }
.reg-msg.ok { display: block; background: rgba(52, 211, 153, 0.12); color: var(--accent); }
.reg-msg.err { display: block; background: rgba(248, 113, 113, 0.12); color: #f87171; }
.reg-fineprint { color: var(--dim); font-size: 13px; margin-top: 18px; }

/* ---------- Pricing ---------- */
.pricing-sub {
  text-align: center;
  color: var(--dim);
  max-width: 560px;
  margin: -8px auto 36px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 780px;
  margin: 0 auto;
}
.price-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}
.price-card.featured {
  background: linear-gradient(160deg, var(--surface) 0%, rgba(16, 185, 129, 0.16) 100%);
  outline: 2px solid var(--accent);
}
.price-card h3 { margin: 0; font-size: 20px; }
.price-card .price {
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  margin: 4px 0 10px;
}
.price-card .price span { font-size: 16px; font-weight: 600; color: var(--dim); }
.price-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--dim);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 15px;
}
.price-card .founding {
  margin: 16px 0 0;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(52, 211, 153, 0.12);
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
}
.price-badge {
  position: absolute;
  top: -13px;
  right: 20px;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 12.5px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}