* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-padding-top: 96px; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #1d1d1f;
  background: #ffffff;
  line-height: 1.45;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
:root {
  --blue: #0071e3;
  --blue-dark: #0066cc;
  --black: #000000;
  --text: #1d1d1f;
  --muted: rgba(29,29,31,0.72);
  --light-bg: #f5f5f7;
  --panel: #ffffff;
  --line: rgba(0,0,0,0.08);
  --shadow: 0 20px 60px rgba(0,0,0,0.10);
  --radius: 28px;
  --pill: 999px;
  --max: 1200px;
}
.page { min-height: 100vh; background: #fff; }
.dark { background: #000; color: #fff; }
.container { width: min(var(--max), calc(100vw - 40px)); margin: 0 auto; }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: saturate(180%) blur(20px);
  background: rgba(255,255,255,0.72);
}
.dark .nav { background: rgba(0,0,0,0.78); }
.brand { font-size: 15px; font-weight: 700; letter-spacing: -0.02em; }
.brand small { display: block; margin-top: 2px; font-size: 11px; color: rgba(255,255,255,0.68); font-weight: 500; }
.page:not(.dark) .brand small { color: rgba(29,29,31,0.72); }
.nav-actions { display: flex; gap: 10px; }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 10px 18px; border-radius: var(--pill);
  font-size: 16px; font-weight: 500; transition: .2s ease;
}
.button:hover { transform: translateY(-1px); }
.button.primary { background: var(--blue); color: #fff; }
.button.secondary { background: transparent; color: var(--blue-dark); border: 1px solid rgba(0,102,204,0.35); }
.dark .button.secondary { color: #2997ff; border-color: rgba(41,151,255,0.45); }
.hero {
  text-align: center;
  padding: 54px 0 34px;
}
.eyebrow {
  color: #2997ff;
  font-size: 15px; font-weight: 600; letter-spacing: -0.02em;
}
.hero h1 {
  margin: 12px auto 14px;
  max-width: 980px;
  font-size: clamp(42px, 7vw, 72px);
  line-height: 1.03;
  letter-spacing: -0.04em;
  font-weight: 600;
}
.hero p {
  margin: 0 auto;
  max-width: 760px;
  font-size: clamp(19px, 2vw, 24px);
  color: rgba(255,255,255,0.82);
  line-height: 1.35;
}
.page:not(.dark) .hero p { color: var(--muted); }
.hero-cta { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-media {
  margin: 42px auto 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
  border-radius: 36px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.page:not(.dark) .hero-media {
  background: #fff;
  border: 1px solid var(--line);
}
.hero-split {
  display: grid; grid-template-columns: 1fr 1fr;
}
.mock {
  min-height: 420px; padding: 28px; position: relative; overflow: hidden;
}
.mock.before {
  background: linear-gradient(180deg, #1b1b1d, #0b0b0c);
}
.mock.after {
  background: linear-gradient(180deg, #f7f8fb, #eaedf4);
  color: #1d1d1f;
}
.mock-image {
  position: absolute;
  inset: 62px 22px 132px 22px;
  border-radius: 24px;
  overflow: hidden;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
}
.mock.after .mock-image {
  background: rgba(255,255,255,0.92);
}
.mock-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.16));
}
.mock-tag {
  display: inline-flex; padding: 8px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
  background: rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.92);
}
.mock.after .mock-tag {
  background: rgba(0,0,0,0.05); color: rgba(29,29,31,0.72);
}
.mock-eyebrow {
  position: absolute; left: 28px; bottom: 126px;
  font-size: 14px; color: rgba(255,255,255,0.70);
}
.mock.after .mock-eyebrow { color: rgba(29,29,31,0.56); }
.mock-title {
  position: absolute; left: 28px; right: 28px; bottom: 44px;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 600; line-height: 1.04; letter-spacing: -0.04em;
}
.mock-shape {
  position: absolute; right: 28px; top: 80px; width: 36%; aspect-ratio: 1/1;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.40), rgba(255,255,255,0.02));
  filter: blur(2px);
}
.mock.after .mock-shape {
  background: radial-gradient(circle at 30% 30%, rgba(0,113,227,0.22), rgba(0,113,227,0.03));
}
.band {
  padding: 18px 24px;
  display: flex; justify-content: center; flex-wrap: wrap; gap: 10px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.page:not(.dark) .band { border-top-color: var(--line); }
.badge {
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  font-size: 14px; font-weight: 500;
}
.page:not(.dark) .badge {
  background: rgba(0,0,0,0.04);
}
.section { padding: 28px 0; }
.section.light { background: var(--light-bg); }
.block { padding: 62px 0; }
.center { text-align: center; }
.section h2, .block h2 {
  margin: 0 auto 14px;
  max-width: 880px;
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 600; line-height: 1.07; letter-spacing: -0.04em;
}
.lead {
  max-width: 760px; margin: 0 auto 28px; font-size: 21px; line-height: 1.4; color: var(--muted);
}
.kicker {
  color: var(--blue-dark); font-size: 17px; font-weight: 600; margin-bottom: 10px;
}
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card {
  background: #fff; border-radius: 28px; padding: 28px; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 10px; font-size: 28px; line-height: 1.1; letter-spacing: -0.03em; }
.card p, .card li, .faq p { color: var(--muted); font-size: 17px; }
.list { display: grid; gap: 12px; padding-left: 20px; margin: 0; }
.offer {
  background: #fff; border-radius: 28px; padding: 34px; box-shadow: var(--shadow);
}
.offer-price { margin: 10px 0 6px; font-size: clamp(42px, 5vw, 64px); line-height: 1; font-weight: 600; letter-spacing: -0.05em; }
.sub { color: var(--muted); font-size: 17px; }
.form { display: grid; gap: 12px; margin-top: 18px; }
.input {
  width: 100%; border: 1px solid rgba(0,0,0,0.10); background: #fff; color: #1d1d1f;
  min-height: 52px; padding: 0 16px; border-radius: 14px; font-size: 16px;
}
.input::placeholder { color: rgba(29,29,31,0.42); }
.input:focus-visible,
.button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(41, 98, 255, 0.24);
  outline-offset: 3px;
}
.checkbox-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  margin-top: 2px;
}
.checkbox {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
}
.checkbox-label {
  color: rgba(29,29,31,0.72);
  font-size: 13px;
  line-height: 1.5;
}
.notice { margin-top: 8px; color: rgba(29,29,31,0.52); font-size: 13px; }
.faq { padding: 26px 0; }
.faq-item { padding: 22px 0; border-bottom: 1px solid rgba(0,0,0,0.08); }
.faq-item:last-child { border-bottom: 0; }
.faq-item h3 { margin: 0 0 8px; font-size: 24px; line-height: 1.15; letter-spacing: -0.03em; }
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.stat-card {
  background: #fff; border-radius: 28px; padding: 24px; box-shadow: var(--shadow);
}
.stat-card h3 { margin: 0 0 8px; font-size: 24px; line-height: 1.1; letter-spacing: -0.03em; }
.foot {
  text-align: center; padding: 38px 0 60px; color: rgba(29,29,31,0.72); font-size: 13px;
}
.switcher {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px;
}
.switch-card {
  background: #fff; border-radius: 28px; padding: 26px; box-shadow: var(--shadow);
}
.switch-card h3 { margin: 0 0 8px; font-size: 28px; letter-spacing: -0.03em; }
.switch-card p { color: var(--muted); font-size: 18px; }
@media (max-width: 980px) {
  .hero-split, .grid-3, .grid-2, .stat-grid, .switcher { grid-template-columns: 1fr; }
  .mock { min-height: 320px; }
}
@media (max-width: 720px) {
  .container { width: min(var(--max), calc(100vw - 24px)); }
  .nav { padding: 14px 0; position: static; }
  .nav-actions { display: none; }
  .hero { padding-top: 34px; }
  .card, .offer, .switch-card, .stat-card { padding: 22px; border-radius: 24px; }
}
