:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #667085;
  --line: #d9e2ec;
  --paper: #ffffff;
  --surface: #f4f7fb;
  --teal: #087a75;
  --teal-dark: #075f5b;
  --coral: #d85b4a;
  --gold: #c9942e;
  --blue: #275d9f;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(244, 247, 251, .88);
  border-bottom: 1px solid rgba(217, 226, 236, .82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: var(--ink);
}

nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: #344054;
  font-size: 14px;
  font-weight: 720;
}

.lang-toggle {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(8, 122, 117, .3);
  border-radius: 8px;
  color: var(--teal-dark);
  background: #fff;
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.hero {
  min-height: 86vh;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(360px, 1.05fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(48px, 8vw, 96px) clamp(18px, 4vw, 56px) 42px;
  overflow: hidden;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(58px, 9vw, 124px);
  line-height: .92;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  font-size: 21px;
  line-height: 1.2;
}

.lead {
  max-width: 620px;
  margin-top: 24px;
  color: #344054;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 830;
}

.primary-link {
  color: #fff;
  background: var(--teal);
  box-shadow: 0 14px 28px rgba(8, 122, 117, .22);
}

.secondary-link {
  color: var(--teal-dark);
  border: 1px solid rgba(8, 122, 117, .28);
  background: rgba(255, 255, 255, .72);
}

.signal-stage {
  position: relative;
  min-height: 620px;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.signal-stage::before {
  content: "";
  position: absolute;
  inset: 28px 0 20px;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(17, 24, 39, .08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(17, 24, 39, .08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 50% 50%, #000 0 58%, transparent 75%);
}

.phone-shell {
  width: min(76vw, 310px);
  min-height: 590px;
  padding: 16px;
  border: 1px solid #1f2937;
  border-radius: 38px;
  background: #151b25;
  box-shadow: 0 36px 70px rgba(17, 24, 39, .25);
  transform: rotate(-5deg) translateX(-46px);
}

.phone-top {
  width: 88px;
  height: 20px;
  margin: 0 auto 14px;
  border-radius: 999px;
  background: #090d14;
}

.phone-screen {
  min-height: 524px;
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 22px;
  border-radius: 28px;
  background: linear-gradient(180deg, #f9fbfd 0%, #eaf2f3 100%);
}

.status-pill {
  width: max-content;
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--teal-dark);
  background: #dcefed;
  font-size: 13px;
  font-weight: 850;
}

.progress-ring {
  display: grid;
  width: 190px;
  height: 190px;
  margin: 18px auto;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--teal) 0 72%, #d7dee7 72% 100%);
}

.progress-ring::before {
  content: "";
  position: absolute;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: #f7fbfc;
}

.progress-ring span {
  position: relative;
  font-size: 38px;
  font-weight: 900;
}

.screen-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid #dbe5ec;
  color: var(--muted);
  font-size: 14px;
}

.screen-row strong {
  color: var(--ink);
}

.phone-screen button {
  min-height: 50px;
  margin-top: 10px;
  border: 0;
  border-radius: 8px;
  color: #fff;
  background: var(--coral);
  font: inherit;
  font-weight: 850;
}

.insight-panel {
  position: absolute;
  right: 2%;
  bottom: 72px;
  width: min(82vw, 340px);
  padding: 18px;
  border: 1px solid rgba(217, 226, 236, .94);
  border-radius: 8px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 24px 54px rgba(17, 24, 39, .18);
  backdrop-filter: blur(18px);
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}

.panel-heading strong {
  color: var(--teal-dark);
}

.chart-bars {
  height: 132px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: end;
  gap: 8px;
  margin: 20px 0;
}

.chart-bars i {
  display: block;
  border-radius: 5px 5px 0 0;
  background: linear-gradient(180deg, var(--blue), var(--teal));
}

.notice-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #344054;
  font-size: 14px;
}

.notice-line span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
}

.section {
  padding: 70px clamp(18px, 4vw, 56px);
}

.section-heading {
  max-width: 840px;
}

.section-heading p:not(.eyebrow) {
  margin-top: 16px;
  color: var(--muted);
  font-size: 18px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.product-grid article {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.feature-icon {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--coral);
  font-weight: 900;
}

.product-grid p,
.trust-list p {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.55;
}

.trust-section {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 32px;
  background: #111827;
  color: #fff;
}

.trust-section .eyebrow,
.trust-section p,
.trust-section a {
  color: #c9d4e2;
}

.trust-list {
  display: grid;
  gap: 16px;
}

.trust-list p {
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}

.trust-list strong {
  color: #fff;
}

.contact-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.contact-section h2 {
  max-width: 760px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  padding: 28px clamp(18px, 4vw, 56px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .signal-stage {
    min-height: 600px;
  }

  .phone-shell {
    transform: rotate(-3deg);
  }

  .insight-panel {
    right: 50%;
    transform: translateX(50%);
    bottom: 28px;
  }

  .product-grid,
  .trust-section {
    grid-template-columns: 1fr;
  }

  .contact-section {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding: 14px 16px;
  }

  .hero {
    padding: 40px 16px 30px;
  }

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

  .primary-link,
  .secondary-link {
    width: 100%;
  }

  .signal-stage {
    min-height: 540px;
  }

  .phone-shell {
    width: min(88vw, 300px);
    min-height: 548px;
    padding: 14px;
  }

  .phone-screen {
    min-height: 486px;
    padding: 18px;
  }

  .progress-ring {
    width: 164px;
    height: 164px;
  }

  .progress-ring::before {
    width: 112px;
    height: 112px;
  }

  .insight-panel {
    width: min(90vw, 320px);
  }

  .section {
    padding: 54px 16px;
  }
}