:root {
  --bg: #f6f8fc;
  --surface: #ffffff;
  --line: #e5eaf3;
  --text: #14213d;
  --muted: #60708d;
  --blue: #3a82e6;
  --blue-dark: #2568d6;
  --green: #14a66a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 48px; background: rgba(255,255,255,.88); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center; font-weight: 800; font-size: 1.8rem;
  color: var(--blue); border: 2px solid #d8e4fb; background: linear-gradient(180deg,#fff,#eef5ff);
}
.brand-text { font-size: 1.9rem; font-weight: 700; letter-spacing: -.03em; }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a { color: var(--text); text-decoration: none; font-weight: 500; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; text-decoration: none;
  border-radius: 12px; padding: 14px 28px; font-weight: 700; border: 1px solid transparent;
}
.btn-small { padding: 10px 18px; border-radius: 10px; }
.btn-primary { background: var(--blue); color: #fff !important; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-secondary { background: #fff; border-color: #cbd6ea; color: var(--text); }
.hero {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center;
  padding: 80px 48px 64px; max-width: 1280px; margin: 0 auto;
}
.hero-copy h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem); line-height: 1.06; letter-spacing: -.04em; margin: 0 0 24px;
}
.hero-copy p { font-size: 1.28rem; line-height: 1.7; color: var(--muted); max-width: 700px; margin: 0 0 30px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { display: flex; justify-content: center; }
.phone {
  position: relative; width: 340px; height: 660px; background: #101625; border-radius: 42px; padding: 18px;
  box-shadow: 0 30px 80px rgba(14,24,47,.18);
}
.phone-notch {
  position: absolute; width: 160px; height: 24px; background: #101625; top: 0; left: 50%; transform: translateX(-50%);
  border-radius: 0 0 20px 20px;
}
.phone-content {
  height: 100%; border-radius: 30px; background: linear-gradient(180deg,#f8fbff,#eef3fa); overflow: hidden;
  padding: 22px;
}
.mini-header { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: #85b1f1; }
.line { height: 10px; border-radius: 999px; background: #d9e2f0; display: inline-block; }
.line.short { width: 70px; }
.line.full { width: 100%; }
.line.medium { width: 70%; }
.mini-header .line { width: 120px; }
.mock-image, .card-image {
  background: linear-gradient(180deg,#8fc0ff 0%,#f8c785 38%,#243a60 100%);
  border-radius: 20px; position: relative; overflow: hidden;
}
.mock-image { height: 290px; margin-bottom: 24px; }
.card-image { height: 260px; }
.mock-image::before, .card-image::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 22%, rgba(255,255,255,.45), transparent 20%),
              linear-gradient(to top, rgba(255,255,255,.15), transparent 40%);
}
.mini-lines { display: grid; gap: 12px; }
.verify-card {
  position: absolute; right: -46px; bottom: 150px; background: rgba(255,255,255,.95); border: 1px solid var(--line);
  border-radius: 20px; padding: 18px 18px 16px; display: flex; gap: 14px; align-items: flex-start;
  box-shadow: 0 20px 50px rgba(19,33,61,.16); min-width: 250px;
}
.verify-icon {
  width: 42px; height: 42px; border-radius: 50%; background: #18b174; color: white; display: grid; place-items: center;
  font-weight: 800; font-size: 1.2rem;
}
.verify-title { font-size: 1.6rem; font-weight: 800; letter-spacing: -.03em; }
.verify-sub, .verify-id { color: var(--muted); }
.verify-id { margin-top: 8px; padding-top: 10px; border-top: 1px solid var(--line); }
.difference, .verify-section { max-width: 1280px; margin: 0 auto; padding: 48px; }
.difference h2, .verify-section h2 {
  text-align: center; font-size: 2.4rem; margin: 0 0 30px; letter-spacing: -.03em;
}
.comparison-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 26px;
}
.content-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 24px; overflow: hidden;
  box-shadow: 0 10px 28px rgba(19,33,61,.06);
}
.content-card h3 { margin: 0; padding: 18px 22px; text-align: center; font-size: 1.35rem; }
.card-caption { padding: 18px 22px; color: #263654; font-weight: 500; }
.verified-band {
  display: flex; gap: 14px; flex-wrap: wrap; align-items: center; justify-content: center;
  padding: 16px 20px; border-top: 1px solid var(--line); background: #fbfcff;
}
.verified-band a { color: var(--blue-dark); text-decoration: none; font-weight: 600; }
.steps {
  max-width: 1100px; margin: 10px auto 0; padding: 16px 48px 48px;
  display: grid; grid-template-columns: repeat(3,1fr); gap: 26px;
}
.step {
  background: transparent; text-align: center; padding: 24px 18px;
}
.step-icon {
  width: 66px; height: 66px; margin: 0 auto 14px; border-radius: 50%; display: grid; place-items: center;
  background: #eef5ff; color: var(--blue-dark); font-size: 1.8rem; font-weight: 800;
}
.step h4 { margin: 0 0 8px; font-size: 1.7rem; }
.step p { margin: 0; color: var(--muted); font-size: 1.05rem; }
.verify-form {
  display: flex; justify-content: center; gap: 12px; max-width: 760px; margin: 0 auto;
}
.verify-form input {
  flex: 1; min-width: 0; padding: 16px 18px; border-radius: 12px; border: 1px solid #cfd8ea;
  font-size: 1rem; background: white;
}
.footer {
  max-width: 1280px; margin: 0 auto; padding: 28px 48px 60px;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; border-top: 1px solid var(--line);
}
.footer a { text-decoration: none; color: var(--text); }
@media (max-width: 980px) {
  .hero, .comparison-grid, .steps { grid-template-columns: 1fr; }
  .hero-visual { margin-top: 10px; }
  .verify-card { right: -10px; bottom: 120px; }
}
@media (max-width: 720px) {
  .topbar, .hero, .difference, .verify-section, .footer { padding-left: 22px; padding-right: 22px; }
  .brand-text { font-size: 1.5rem; }
  .nav { gap: 14px; }
  .nav a:not(.btn-small) { display: none; }
  .phone { width: 290px; height: 570px; }
  .verify-card { min-width: 210px; padding: 14px; right: -4px; }
  .verify-title { font-size: 1.2rem; }
  .verify-form { flex-direction: column; }
}
