:root {
  --bg: #f3f5f8;
  --bg-2: #e9edf2;
  --surface: #ffffff;
  --ink: #111722;
  --ink-2: #4f5a6c;
  --ink-3: #7b8494;
  --navy: #172a4a;
  --navy-2: #22396a;
  --accent: #6fa3d2;
  --pale: #dbe8f5;
  --line: #e1e6ec;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 1px 2px rgba(17, 23, 34, 0.04), 0 12px 32px rgba(17, 23, 34, 0.06);
  --display: 'Inter Tight', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --text: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.6 var(--text);
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
p { margin: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding-inline: 24px; }
.eyebrow {
  font: 600 12px/1.2 var(--text);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.lead { color: var(--ink-2); font-size: 19px; max-width: 60ch; }
section { padding-block: 104px; scroll-margin-top: 68px; }
.section-head { display: grid; gap: 16px; max-width: 760px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.08; font-weight: 600; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px;
  font: 600 15px/1 var(--text); text-decoration: none; white-space: nowrap;
  transition: transform .15s ease, background .15s ease;
}
.btn:active { transform: scale(0.98); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--navy-2); }
.btn-ghost { color: var(--ink); background: rgba(255, 255, 255, 0.7); border: 1px solid var(--line); }
.btn-ghost:hover { background: #fff; }
.btn svg { width: 18px; height: 18px; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(243, 245, 248, 0.78);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid rgba(225, 230, 236, 0.7);
}
.nav .wrap { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 700 19px/1 var(--display); letter-spacing: 0.08em; }
.brand img { width: 30px; height: auto; }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { text-decoration: none; color: var(--ink-2); font-size: 15px; }
.nav-links a:hover { color: var(--ink); }
.nav .lang { font-size: 14px; color: var(--ink-3); text-decoration: none; }
.nav .btn { padding: 10px 18px; font-size: 14px; }

/* hero */
.hero { position: relative; padding: 0; overflow: hidden; background: #e6eaef; }
.hero-media { position: absolute; inset: 0; }
.hero-media video, .hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(236, 239, 243, 0.96) 0%, rgba(236, 239, 243, 0.82) 34%, rgba(236, 239, 243, 0) 62%);
}
.hero .wrap { position: relative; min-height: min(86vh, 820px); display: flex; align-items: center; padding-block: 96px; }
.hero-copy { max-width: 560px; display: grid; gap: 22px; }
.hero h1 { font-size: clamp(40px, 5.6vw, 68px); line-height: 1.02; font-weight: 600; }
.hero .lead { font-size: 20px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 6px; }
.hero-note { font-size: 14px; color: var(--ink-3); }
.appstore { display: inline-flex; align-items: center; gap: 12px; padding: 12px 20px 12px 16px; border-radius: 14px; background: var(--ink); color: #fff; text-decoration: none; }
.appstore svg { width: 26px; height: 26px; }
.appstore small { display: block; font-size: 11px; opacity: .75; line-height: 1.1; }
.appstore b { display: block; font: 600 17px/1.15 var(--display); }

.trust { background: var(--surface); border-bottom: 1px solid var(--line); padding: 0; }
.trust ul { list-style: none; margin: 0 auto; padding-block: 22px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.trust li { display: flex; gap: 10px; align-items: center; font-size: 15px; color: var(--ink-2); }
.trust li svg { flex: none; width: 20px; height: 20px; color: var(--navy); }

/* areas */
.areas-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.area { background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.area img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; background: var(--bg-2); }
.area div { padding: 20px 22px 24px; }
.area h3 { font-size: 21px; font-weight: 600; margin-bottom: 10px; }
.area ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.area li { font-size: 15px; color: var(--ink-2); padding-left: 16px; position: relative; }
.area li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* features */
.features { background: var(--surface); }
.feature { display: grid; grid-template-columns: 1.05fr 1fr; gap: 72px; align-items: center; }
.feature + .feature { margin-top: 120px; }
.feature:nth-child(even) .feature-media { order: 2; }
.feature-media { border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-2); position: relative; }
.feature-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 4.4; }
.feature-copy { display: grid; gap: 18px; max-width: 520px; }
.feature-copy h2 { font-size: clamp(30px, 3.6vw, 42px); line-height: 1.08; font-weight: 600; }
.feature-copy p { color: var(--ink-2); }
.checks { list-style: none; margin: 6px 0 0; padding: 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; font-size: 16px; }
.checks svg { flex: none; width: 20px; height: 20px; margin-top: 3px; color: var(--navy); }

.implants { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--line); aspect-ratio: 4 / 4.4; }
.implants figure { margin: 0; position: relative; overflow: hidden; }
.implants img { width: 100%; height: 100%; object-fit: cover; }
.implants figcaption { position: absolute; left: 14px; bottom: 12px; font-size: 13px; color: var(--ink-3); }

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--line); }
.pair figure { margin: 0; position: relative; overflow: hidden; }
.pair img { aspect-ratio: 3 / 4.4; object-fit: cover; width: 100%; }
.pair figure:first-child img { object-position: 0% 50%; }
.pair figure:last-child img { object-position: 100% 50%; }
.tag { position: absolute; left: 12px; bottom: 12px; padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 500; background: rgba(255, 255, 255, 0.86); backdrop-filter: blur(8px); }
.tag.dark { background: rgba(23, 42, 74, 0.86); color: #fff; }

/* how */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: s; }
.step { display: grid; gap: 16px; align-content: start; }
.phone {
  border-radius: 34px; padding: 9px; background: #0f141d;
  box-shadow: 0 30px 60px -28px rgba(17, 23, 34, 0.45);
  max-width: 250px; width: 100%;
}
.phone img { border-radius: 26px; width: 100%; aspect-ratio: 390 / 844; object-fit: cover; object-position: top; background: var(--bg-2); }
.step-n { font: 600 13px/1 var(--text); color: var(--accent); letter-spacing: 0.08em; }
.step h3 { font-size: 21px; font-weight: 600; }
.step p { color: var(--ink-2); font-size: 15px; }

/* honest */
.honest { background: var(--navy); color: #fff; }
.honest .eyebrow { color: #9fc5e8; }
.honest .section-head h2 { color: #fff; }
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.12); }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { text-align: left; padding: 18px 24px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); font-size: 16px; vertical-align: top; }
tr:last-child td { border-bottom: 0; }
th { font: 600 13px/1.2 var(--text); letter-spacing: 0.08em; text-transform: uppercase; color: #9fc5e8; }
td:first-child { font-weight: 500; }
td:last-child { color: rgba(255, 255, 255, 0.6); }
td .yes, td .no { display: inline-flex; gap: 10px; align-items: flex-start; }
td svg { flex: none; width: 18px; height: 18px; margin-top: 3px; }
.honest .note { margin-top: 16px; font-size: 13px; color: rgba(255, 255, 255, 0.5); }

/* privacy */
.privacy-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: center; }
.privacy-media { border-radius: var(--radius-lg); overflow: hidden; }
.privacy-media img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.privacy-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; background: var(--line); border-radius: var(--radius); overflow: hidden; }
.privacy-list li { background: var(--surface); padding: 18px 22px; display: grid; gap: 4px; }
.privacy-list b { font: 600 17px/1.3 var(--display); }
.privacy-list span { color: var(--ink-2); font-size: 15px; }
.text-link { display: inline-flex; margin-top: 20px; color: var(--navy); font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; }

/* clinics */
.clinics { background: var(--surface); }
.clinic-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: center; }
.clinic-grid img { border-radius: var(--radius-lg); width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.clinic-copy { display: grid; gap: 18px; }
.clinic-copy h2 { font-size: clamp(30px, 3.6vw, 42px); line-height: 1.08; font-weight: 600; }
.clinic-copy p { color: var(--ink-2); }
.callout { padding: 14px 18px; border-left: 3px solid var(--accent); background: var(--bg); color: var(--ink-2); font-size: 15px; border-radius: 0 10px 10px 0; }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; display: grid; gap: 10px; align-content: start; position: relative; }
.plan.best { border: 2px solid var(--navy); box-shadow: var(--shadow); }
.plan .badge { position: absolute; top: -12px; left: 24px; background: var(--navy); color: #fff; font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 999px; }
.plan h3 { font-size: 18px; font-weight: 600; color: var(--ink-2); }
.price { font: 600 40px/1 var(--display); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.price small { font: 400 15px/1 var(--text); color: var(--ink-3); margin-left: 6px; letter-spacing: 0; }
.plan .sub { font-size: 14px; color: var(--ink-3); min-height: 1.4em; }
.plan .views { padding-top: 14px; margin-top: 6px; border-top: 1px solid var(--line); font-weight: 500; }
.pricing-foot { margin-top: 28px; display: grid; gap: 8px; color: var(--ink-2); font-size: 15px; }
.pricing-foot .free { font-weight: 600; color: var(--ink); }
.fine { font-size: 13px; color: var(--ink-3); }

/* faq */
.faq-grid { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 56px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; font: 600 18px/1.35 var(--display); position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font: 400 26px/1 var(--text); color: var(--ink-3); transition: transform .2s ease; }
details[open] summary::after { transform: rotate(45deg); }
details p { padding: 0 40px 24px 0; color: var(--ink-2); }

/* download */
.download { position: relative; padding: 0; overflow: hidden; color: #fff; }
.download img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 30% 50%; }
.download::after { content: ""; position: absolute; inset: 0; background: linear-gradient(270deg, rgba(17, 23, 34, 0.86) 0%, rgba(17, 23, 34, 0.55) 45%, rgba(17, 23, 34, 0.05) 75%); }
.download .wrap { position: relative; z-index: 1; min-height: 560px; display: flex; align-items: center; justify-content: flex-end; padding-block: 80px; }
.download-copy { max-width: 470px; display: grid; gap: 18px; }
.download h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.06; font-weight: 600; }
.download p { color: rgba(255, 255, 255, 0.78); font-size: 18px; }
.download .btn-ghost { background: #fff; color: var(--ink); border: 0; justify-self: start; }

/* footer */
footer { background: #0e131b; color: rgba(255, 255, 255, 0.72); padding-block: 56px 40px; font-size: 14px; }
footer .wrap { display: grid; gap: 28px; }
.foot-top { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
footer .brand { color: #fff; }
footer .brand img { filter: invert(1); }
.foot-links { display: flex; flex-wrap: wrap; gap: 22px; }
.foot-links a { color: rgba(255, 255, 255, 0.8); text-decoration: none; }
.foot-links a:hover { color: #fff; }
.disclaimer { max-width: 80ch; line-height: 1.6; color: rgba(255, 255, 255, 0.55); }

/* legal pages */
.legal { padding-block: 64px 96px; }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: clamp(34px, 4vw, 46px); font-weight: 600; margin-bottom: 12px; }
.legal .draft { display: inline-block; font-size: 13px; color: var(--ink-3); background: var(--bg-2); padding: 4px 10px; border-radius: 6px; margin-bottom: 32px; }
.legal h2 { font-size: 22px; font-weight: 600; margin: 36px 0 10px; }
.legal p { color: var(--ink-2); margin-bottom: 12px; }

/* responsive */
@media (max-width: 1020px) {
  .nav-links { display: none; }
  .nav .lang { margin-left: auto; }
  .areas-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .feature, .privacy-grid, .clinic-grid, .faq-grid { grid-template-columns: 1fr; gap: 36px; }
  .feature:nth-child(even) .feature-media { order: 0; }
  .feature + .feature { margin-top: 80px; }
  .trust ul { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  section { padding-block: 72px; }
  .wrap { padding-inline: 18px; }
  .hero-media { position: relative; height: 54vw; min-height: 260px; }
  .hero-media::after { background: linear-gradient(180deg, rgba(236, 239, 243, 0) 55%, rgba(236, 239, 243, 1) 100%); }
  .hero .wrap { min-height: 0; padding-block: 8px 56px; }
  .hero { background: #eceff3; }
  .plans { grid-template-columns: 1fr; }
  .plan.best { order: -1; }
  .steps { grid-template-columns: 1fr 1fr; gap: 18px; row-gap: 40px; }
  .phone { border-radius: 26px; padding: 6px; }
  .phone img { border-radius: 21px; }
  .download .wrap { min-height: 520px; align-items: flex-end; }
  .download::after { background: linear-gradient(0deg, rgba(17, 23, 34, 0.92) 0%, rgba(17, 23, 34, 0.5) 55%, rgba(17, 23, 34, 0.1) 100%); }
  .nav .lang { display: none; }
  .nav .btn { margin-left: auto; }
  .section-head { margin-bottom: 36px; }
  table { min-width: 0; }
  thead { display: none; }
  tr { display: grid; gap: 6px; padding: 16px 18px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
  tr:last-child { border-bottom: 0; }
  td { padding: 0; border: 0; font-size: 15px; }
  .area img { aspect-ratio: 4 / 3; }
  .feature-media img { aspect-ratio: 1 / 1; }
}
@media (max-width: 420px) {
  .areas-grid { grid-template-columns: 1fr; }
  .trust ul { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}