:root {
  --bg: #fafbfc;
  --bg-alt: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eff6ff;
  --accent: #f59e0b;
  --border: #e2e8f0;
  --card: #ffffff;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 50px rgba(37, 99, 235, 0.18);
  --radius: 14px;
  --radius-sm: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.logo__mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.logo__text { font-size: 17px; letter-spacing: -0.01em; }
.logo--light .logo__text { color: #fff; }

.nav {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 15px;
  text-decoration: none;
  transition: color 0.15s;
}
.nav a:hover, .nav a.active { color: var(--text); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s, background 0.12s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-md); }
.btn--primary:hover { background: var(--primary-dark); box-shadow: var(--shadow-lg); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn--ghost:hover { background: var(--bg-alt); }
.btn--sm { padding: 9px 16px; font-size: 14px; }
.btn--store {
  background: var(--text);
  color: #fff;
  flex-direction: column;
  align-items: flex-start;
  padding: 12px 22px;
  min-width: 180px;
}
.btn-store__small { font-size: 11px; font-weight: 400; opacity: 0.8; }
.btn-store__big { font-size: 17px; font-weight: 700; }

/* ===== Hero ===== */
.hero {
  padding: 80px 0 100px;
  background: linear-gradient(180deg, var(--primary-soft) 0%, var(--bg) 100%);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.badge {
  display: inline-block;
  padding: 6px 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.hero__title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.accent { color: var(--primary); }
.hero__subtitle {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 32px;
}
.hero__actions { display: flex; gap: 12px; margin-bottom: 48px; }
.hero__stats {
  display: flex;
  gap: 48px;
}
.hero__stats > div { display: flex; flex-direction: column; }
.hero__stats strong { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; }
.hero__stats span { font-size: 14px; color: var(--text-muted); }

/* ===== Phone mockup ===== */
.hero__visual { display: grid; place-items: center; }
.phone {
  width: 280px;
  height: 560px;
  background: #0f172a;
  border-radius: 40px;
  padding: 14px;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.phone::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 24px;
  background: #0f172a;
  border-radius: 12px;
  z-index: 2;
}
.phone__screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-soft), #fff);
  border-radius: 28px;
  padding: 60px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.screen-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.screen-label { font-size: 12px; color: var(--text-muted); display: block; margin-bottom: 6px; }
.screen-value { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; display: block; margin-bottom: 14px; }
.screen-bar {
  height: 6px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.screen-bar span {
  display: block;
  height: 100%;
  background: var(--primary);
  border-radius: 999px;
}
.screen-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.screen-mini {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow-sm);
}
.screen-mini span { font-size: 11px; color: var(--text-muted); display: block; }
.screen-mini strong { font-size: 20px; font-weight: 800; }

/* ===== Sections ===== */
.section { padding: 90px 0; }
.section--alt { background: var(--bg-alt); }
.section--cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
}
.section__title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 12px;
}
.section__subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 18px;
  margin-bottom: 56px;
}

/* ===== Features ===== */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.feature__icon {
  font-size: 28px;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  border-radius: 12px;
  margin-bottom: 16px;
}
.feature h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.feature p { color: var(--text-muted); font-size: 15px; }

/* ===== Why ===== */
.why {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.why__list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.why__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
}
.why__list span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}
.why__card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
.quote { font-size: 19px; font-style: italic; color: var(--text); margin-bottom: 20px; line-height: 1.5; }
.quote__author strong { display: block; font-size: 15px; }
.quote__author span { color: var(--text-muted); font-size: 14px; }

/* ===== CTA ===== */
.cta { text-align: center; }
.cta h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.cta p { font-size: 18px; opacity: 0.92; margin-bottom: 32px; }
.cta__buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.footer {
  background: #0f172a;
  color: #cbd5e1;
  padding-top: 60px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer p { font-size: 14px; line-height: 1.8; }
.footer a { color: #cbd5e1; }
.footer a:hover { color: #fff; }
.footer__about { margin-top: 14px; color: #94a3b8; max-width: 320px; }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  margin-top: 20px;
  text-align: center;
  font-size: 13px;
  color: #64748b;
}

/* ===== Legal ===== */
.legal { padding: 60px 0 100px; }
.legal__inner {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 60px;
  align-items: flex-start;
}
.legal__toc {
  position: sticky;
  top: 96px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.legal__toc h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 14px; }
.legal__toc ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.legal__toc a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  padding: 4px 0;
  text-decoration: none;
}
.legal__toc a:hover { color: var(--primary); }

.legal__content { max-width: 720px; }
.legal__content h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 14px 0 20px;
}
.legal__content .lead {
  font-size: 18px;
  color: var(--text-muted);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.legal__content h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 40px 0 14px;
  scroll-margin-top: 96px;
}
.legal__content p, .legal__content li {
  font-size: 16px;
  color: #334155;
  margin-bottom: 10px;
}
.legal__content ul {
  padding-left: 22px;
  margin-bottom: 16px;
}
.legal__divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 50px 0 10px;
}
.legal__back { margin-top: 50px; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav { display: none; }
  .hero { padding: 60px 0 80px; }
  .hero__inner { grid-template-columns: 1fr; gap: 50px; }
  .hero__stats { gap: 28px; flex-wrap: wrap; }
  .features { grid-template-columns: 1fr; }
  .why { grid-template-columns: 1fr; gap: 36px; }
  .footer__inner { grid-template-columns: 1fr; gap: 30px; }
  .legal__inner { grid-template-columns: 1fr; gap: 30px; }
  .legal__toc { position: static; }
  .section { padding: 60px 0; }
  .btn--store { min-width: 0; flex: 1; }
}