:root {
  color-scheme: light;
  --ink: #122026;
  --muted: #5b6b73;
  --line: #dbe5e8;
  --paper: #f7faf9;
  --white: #ffffff;
  --teal: #0f9f8d;
  --teal-dark: #087464;
  --gold: #ebb44f;
  --navy: #0b1f2a;
  --shadow: 0 18px 50px rgba(15, 48, 60, .15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(219, 229, 232, .85);
  background: rgba(247, 250, 249, .9);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1120px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

.brand img {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  text-decoration: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--teal);
  color: #fff;
  font-weight: 750;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(15, 159, 141, .22);
}

.button.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
  box-shadow: none;
}

.hero {
  background:
    radial-gradient(circle at 80% 20%, rgba(235, 180, 79, .22), transparent 28%),
    linear-gradient(135deg, #f7faf9 0%, #e9f5f2 55%, #fff7e8 100%);
}

.hero-inner {
  width: min(1120px, calc(100% - 40px));
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: 76px 0 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: center;
  gap: 64px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 700px;
  margin-bottom: 20px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: .96;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  color: var(--muted);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 36px;
}

.trust-item {
  padding: 14px 0;
  border-top: 1px solid rgba(18, 32, 38, .16);
}

.trust-item strong {
  display: block;
  font-size: 18px;
}

.trust-item span {
  color: var(--muted);
  font-size: 14px;
}

.phone-wrap {
  justify-self: center;
  width: min(100%, 360px);
  aspect-ratio: 9 / 18;
  border-radius: 38px;
  padding: 14px;
  background: #102a36;
  box-shadow: var(--shadow);
}

.phone-screen {
  height: 100%;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(180deg, #effaf7 0%, #ffffff 100%);
  border: 1px solid rgba(255, 255, 255, .4);
  display: flex;
  flex-direction: column;
}

.phone-top {
  padding: 26px 24px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.signal {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--teal);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
}

.phone-card {
  margin: 0 22px;
  padding: 22px;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
}

.status {
  color: #9ce6d8;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.connect-ring {
  width: 170px;
  height: 170px;
  margin: 34px auto 22px;
  border-radius: 50%;
  border: 14px solid rgba(15, 159, 141, .18);
  display: grid;
  place-items: center;
  color: var(--teal-dark);
  font-weight: 900;
  box-shadow: inset 0 0 0 10px rgba(235, 180, 79, .12);
}

.phone-list {
  display: grid;
  gap: 10px;
  margin: auto 22px 24px;
}

.server-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 82px 0;
}

.section.alt {
  background: #fff;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.section h2 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-lead {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.feature {
  min-height: 210px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: #e6f6f2;
  color: var(--teal-dark);
  font-weight: 900;
}

.feature h3 {
  margin: 18px 0 8px;
  font-size: 20px;
}

.feature p {
  color: var(--muted);
  margin-bottom: 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 34px;
  counter-reset: steps;
}

.step {
  position: relative;
  padding: 24px;
  border-left: 4px solid var(--teal);
  background: #f7faf9;
}

.step::before {
  counter-increment: steps;
  content: "0" counter(steps);
  display: block;
  margin-bottom: 18px;
  color: var(--gold);
  font-size: 28px;
  font-weight: 900;
}

.faq {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  font-weight: 800;
}

details p {
  margin: 12px 0 0;
  color: var(--muted);
}

.cta {
  padding: 64px 0;
  background: var(--navy);
  color: #fff;
}

.cta-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.cta p {
  color: #b8c8ce;
  margin-bottom: 0;
}

.site-footer {
  padding: 34px 0;
  background: #07161d;
  color: #b8c8ce;
  font-size: 14px;
}

.footer-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.legal-page {
  width: min(860px, calc(100% - 40px));
  margin: 0 auto;
  padding: 76px 0;
}

.legal-page h1 {
  font-size: clamp(36px, 5vw, 58px);
}

.legal-page h2 {
  margin-top: 34px;
}

.legal-page p,
.legal-page li {
  color: var(--muted);
}

@media (max-width: 880px) {
  .nav {
    min-height: 64px;
  }

  .nav-links {
    display: none;
  }

  .hero-inner {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 54px;
    gap: 40px;
  }

  .phone-wrap {
    width: min(100%, 310px);
  }

  .feature-grid,
  .steps,
  .trust-row {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .nav,
  .container,
  .footer-inner,
  .cta-inner,
  .hero-inner,
  .legal-page {
    width: min(100% - 28px, 1120px);
  }

  h1 {
    font-size: 42px;
  }

  .hero-copy,
  .section-lead {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}