:root {
  --bg: #fafaf9;
  --fg: #0b0b0f;
  --muted: #6b6b75;
  --line: #ececef;
  --card: #ffffff;
  --accent: #ff5a87;
  --accent-2: #ff7a5a;
  --success: #18b266;
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1120px;
  --shadow: 0 10px 30px -12px rgba(20, 20, 30, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0f;
    --fg: #f4f4f6;
    --muted: #9b9ba5;
    --line: #1d1d22;
    --card: #131318;
    --shadow: 0 10px 40px -16px rgba(0, 0, 0, 0.6);
  }
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px;
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark { color: var(--accent); display: inline-flex; }
.nav-links { display: flex; gap: 22px; align-items: center; font-size: 15px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--fg); }
.nav-cta {
  background: var(--fg); color: var(--bg) !important;
  padding: 8px 14px; border-radius: 999px; font-weight: 600;
}
@media (max-width: 720px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* HERO */
.hero {
  max-width: var(--max);
  margin: 40px auto 24px;
  padding: 30px 22px 60px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { order: -1; }
}
.eyebrow {
  display: inline-block;
  font-size: 13px; font-weight: 600;
  color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin: 0 0 14px;
}
h1 {
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin: 0 0 18px;
}
.lede {
  font-size: 19px;
  color: var(--muted);
  max-width: 540px;
  margin: 0 0 28px;
}

/* FORM */
.waitlist-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  display: grid; gap: 14px;
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 540px) { .row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 6px; font-size: 14px; }
.field span, .field legend {
  font-weight: 600; color: var(--fg);
}
.field em { color: var(--muted); font-weight: 400; font-style: normal; }
.field input[type=text], .field input[type=email], .field textarea {
  font: inherit;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}
.segmented { border: none; padding: 0; margin: 0; }
.seg { display: flex; gap: 8px; flex-wrap: wrap; }
.seg label {
  flex: 1 1 140px;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  cursor: pointer;
  background: var(--bg);
  font-weight: 500;
  text-align: center;
  transition: border-color .15s, background .15s;
}
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label:has(input:checked) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg));
  color: var(--fg);
}

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: inherit; font-weight: 600;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .1s, opacity .15s;
}
.btn:active { transform: scale(0.98); }
.btn.primary { background: var(--accent); color: white; }
.btn.primary:hover { opacity: 0.92; }
.btn.big { padding: 18px 28px; font-size: 18px; }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--fg); padding: 12px 18px; }
.btn.ghost:hover { border-color: var(--accent); }

.privacy-note {
  font-size: 13px; color: var(--muted); margin: 4px 0 0; text-align: center;
}

/* SUCCESS */
.success {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow);
}
.check {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--success);
  color: white;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 700;
  margin-bottom: 12px;
}
.check.small { width: 28px; height: 28px; font-size: 16px; }
.success h3 { margin: 0 0 6px; font-size: 22px; }
.success p { margin: 0; color: var(--muted); }

/* PHONE MOCK */
.hero-art { display: flex; justify-content: center; }
.phone {
  width: 280px; height: 580px;
  background: linear-gradient(160deg, var(--accent), var(--accent-2));
  border-radius: 44px;
  padding: 14px;
  box-shadow: 0 30px 80px -30px rgba(255, 90, 135, 0.6);
  position: relative;
}
.phone:before {
  content: ""; position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  width: 100px; height: 28px; background: rgba(0,0,0,0.6); border-radius: 999px;
}
.phone-screen {
  background: var(--card);
  border-radius: 32px;
  height: 100%;
  padding: 60px 22px 22px;
  display: flex; flex-direction: column; gap: 16px;
}
.screen-title { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.screen-card {
  display: flex; align-items: center; gap: 14px;
  padding: 16px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--accent) 8%, var(--bg));
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--line));
}
.dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); }
.line.strong { font-weight: 700; }
.line.muted { color: var(--muted); font-size: 13px; }
.screen-success {
  margin-top: auto;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 22px;
}

/* SECTIONS */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 80px 22px;
  border-top: 1px solid var(--line);
}
.section h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 36px;
}

.steps {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 20px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }
.steps li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: 999px;
  background: var(--fg); color: var(--bg);
  font-weight: 700; font-size: 14px;
  margin-bottom: 14px;
}
.steps h3 { margin: 0 0 6px; font-size: 19px; }
.steps p { margin: 0; color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 820px) { .cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.card .ico { font-size: 26px; margin-bottom: 10px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }
.split-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
}
.split-card h3 { margin: 0 0 8px; font-size: 22px; }
.split-card p { margin: 0 0 18px; color: var(--muted); }

.faq { display: grid; gap: 10px; max-width: 760px; }
.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; float: right; color: var(--muted); font-weight: 400;
}
.faq details[open] summary::after { content: "−"; }
.faq p { margin: 12px 0 0; color: var(--muted); }

.final-cta { text-align: center; }
.final-cta h2 { margin-bottom: 8px; }
.final-cta .lede { margin-left: auto; margin-right: auto; }
.final-cta .btn { margin: 22px 0 12px; }

footer {
  text-align: center;
  padding: 30px;
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--line);
}
footer a { color: var(--muted); text-decoration: underline; }