:root {
  --ink: #10203a;
  --muted: #5f6f88;
  --blue: #3867ff;
  --blue-dark: #2450e8;
  --cyan: #38c8e8;
  --line: #dbe7f5;
  --ice: #eff7ff;
  --paper: #fbfcff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

main { overflow: hidden; }
.header {
  width: min(1344px, calc(100% - 72px));
  height: 96px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 10;
}
.logo { display: inline-flex; align-items: center; gap: 12px; font-size: 27px; font-weight: 800; letter-spacing: -1px; }
.logo-mark {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), var(--cyan)); color: white;
  box-shadow: 0 10px 25px rgba(56,103,255,.25);
}
nav { display: flex; gap: 40px; font-size: 15px; font-weight: 600; }
nav a { transition: color .18s ease; }
nav a:hover { color: var(--blue); }
.header-cta {
  border: 1.5px solid var(--blue); color: var(--blue); padding: 13px 22px;
  border-radius: 13px; font-size: 15px; font-weight: 700; transition: .18s ease;
}
.header-cta:hover { background: var(--blue); color: white; transform: translateY(-2px); }

.hero {
  position: relative;
  min-height: 780px;
  padding: 120px max(36px, calc((100vw - 1344px) / 2)) 160px;
  background:
    radial-gradient(circle at 78% 35%, rgba(56,200,232,.15), transparent 30%),
    radial-gradient(circle at 58% 15%, rgba(121,103,242,.10), transparent 25%),
    linear-gradient(180deg, #fbfdff 0%, #f6faff 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .26; pointer-events: none;
  background-image: linear-gradient(#d9e7f5 1px, transparent 1px), linear-gradient(90deg, #d9e7f5 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to right, black, transparent 62%);
}
.hero-copy { position: relative; z-index: 2; width: 51%; max-width: 680px; }
.eyebrow, .section-label {
  display: flex; align-items: center; gap: 10px; color: var(--blue);
  font-size: 15px; font-weight: 700; letter-spacing: .02em; text-transform: uppercase;
}
.eyebrow span { display: grid; place-items: center; width: 25px; height: 25px; border: 1px solid #a5c3ff; border-radius: 9px; }
h1 {
  margin: 24px 0 22px; font-size: clamp(52px, 5.2vw, 76px); line-height: .98;
  letter-spacing: -.055em; max-width: 720px;
}
.hero-text { margin: 0; max-width: 570px; color: var(--muted); font-size: 21px; line-height: 1.6; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 36px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 16px;
  min-height: 58px; padding: 0 28px; border-radius: 15px; color: white;
  background: linear-gradient(135deg, var(--blue-dark), #347af9);
  box-shadow: 0 14px 32px rgba(56,103,255,.28);
  font-size: 17px; font-weight: 800; transition: transform .18s ease, box-shadow .18s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(56,103,255,.35); }
.button-secondary { background: white; color: var(--blue); border: 1px solid #bad0ff; box-shadow: 0 12px 28px rgba(32,70,130,.09); }
.text-link { color: var(--ink); font-weight: 700; border-bottom: 1px solid #9cafc7; padding-bottom: 3px; }
.microcopy { color: #8795a9; font-size: 13px; margin: 14px 0 0 2px; }
.hero-visual {
  position: absolute; z-index: 1; width: min(58vw, 820px); right: max(-24px, calc((100vw - 1500px) / 2));
  top: 70px; animation: float 6s ease-in-out infinite;
}
.hero-visual img { display: block; width: 100%; height: auto; filter: drop-shadow(0 40px 55px rgba(54,106,175,.15)); }
.visual-glow { position: absolute; inset: 18% 15%; border-radius: 50%; background: rgba(95,200,255,.20); filter: blur(70px); }

.trust-row {
  position: absolute; z-index: 3; left: 50%; bottom: 40px; transform: translateX(-50%);
  width: min(1288px, calc(100% - 72px)); min-height: 116px; display: grid; grid-template-columns: repeat(3, 1fr);
  align-items: center; border: 1px solid rgba(190,211,236,.75); border-radius: 28px;
  background: rgba(255,255,255,.78); box-shadow: 0 20px 55px rgba(60,95,140,.10); backdrop-filter: blur(18px);
}
.trust-row > div { display: flex; align-items: center; gap: 18px; padding: 0 38px; border-right: 1px solid #dbe7f5; }
.trust-row > div:last-child { border: 0; }
.feature-icon { display: grid; place-items: center; min-width: 52px; height: 52px; border: 1px solid #cfe0f6; border-radius: 18px; color: var(--blue); background: #f8fbff; font-size: 25px; }
.trust-row b, .trust-row small { display: block; }
.trust-row b { font-size: 16px; }
.trust-row small { margin-top: 5px; color: var(--muted); font-size: 13px; }

.section { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 120px 0; }
.section-label { justify-content: center; }
.section h2, .final-cta h2 { margin: 15px auto 18px; max-width: 760px; font-size: clamp(36px, 4vw, 54px); line-height: 1.08; letter-spacing: -.04em; text-align: center; }
.intro > p:not(.section-label), .devices > p:not(.section-label) { max-width: 690px; margin: 0 auto; color: var(--muted); text-align: center; font-size: 18px; line-height: 1.65; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 54px; }
.card-grid article { padding: 34px; border: 1px solid var(--line); border-radius: 24px; background: white; box-shadow: 0 15px 40px rgba(61,88,125,.07); }
.card-grid article > span { color: var(--blue); font-size: 13px; font-weight: 800; }
.card-grid h3 { margin: 27px 0 10px; font-size: 21px; }
.card-grid p { margin: 0; color: var(--muted); line-height: 1.6; }

.steps {
  width: min(1280px, calc(100% - 48px)); display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px;
  padding: 90px; border-radius: 38px; background: linear-gradient(135deg, #edf6ff, #f7f3ff);
}
.steps .section-label { justify-content: flex-start; }
.steps h2 { margin-left: 0; text-align: left; }
.steps-copy > p:not(.section-label) { color: var(--muted); font-size: 17px; line-height: 1.6; }
.steps-copy .button { margin-top: 18px; }
.steps ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.steps li { display: flex; gap: 18px; padding: 20px; border: 1px solid rgba(188,211,238,.8); border-radius: 18px; background: rgba(255,255,255,.74); }
.steps li > span { display: grid; place-items: center; min-width: 42px; height: 42px; border-radius: 14px; background: var(--blue); color: white; font-weight: 800; }
.steps li b { font-size: 17px; }
.steps li p { margin: 7px 0 0; color: var(--muted); }

.device-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin: 45px auto 22px; }
.device-list span { padding: 15px 22px; border: 1px solid var(--line); border-radius: 999px; background: white; color: var(--ink); font-weight: 700; }
.devices .device-note { font-size: 14px !important; }

.faq { max-width: 900px; }
.faq details { border-bottom: 1px solid var(--line); padding: 0; }
.faq summary { cursor: pointer; padding: 24px 0; font-size: 18px; font-weight: 700; }
.faq details p { margin: -8px 0 24px; color: var(--muted); line-height: 1.65; }

.final-cta {
  width: min(1280px, calc(100% - 48px)); margin: 0 auto 70px; padding: 64px 70px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  border-radius: 34px; color: white; background: linear-gradient(120deg, #1538aa, #3867ff 58%, #38bfe8);
}
.final-cta .section-label { justify-content: flex-start; color: #d8e4ff; }
.final-cta h2 { margin: 12px 0 0; max-width: 720px; text-align: left; }
.final-cta .button { flex-shrink: 0; background: white; color: var(--blue); box-shadow: 0 14px 30px rgba(10,28,90,.25); }
footer {
  width: min(1280px, calc(100% - 48px)); margin: 0 auto; padding: 34px 0 50px;
  display: grid; grid-template-columns: .7fr 1.8fr auto; gap: 35px; align-items: center; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 13px; line-height: 1.55;
}
.footer-logo { color: var(--ink); font-size: 21px; }
.footer-logo .logo-mark { width: 30px; height: 30px; border-radius: 9px; }

@keyframes float { 50% { transform: translateY(-12px); } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-visual { animation: none; }
  * { transition: none !important; }
}
@media (max-width: 980px) {
  nav { display: none; }
  .hero { min-height: 1040px; padding-top: 80px; }
  .hero-copy { width: 100%; max-width: 720px; }
  .hero-visual { width: 700px; max-width: 92vw; right: 1%; top: 500px; opacity: .94; }
  .trust-row { grid-template-columns: 1fr; bottom: 28px; padding: 14px 0; }
  .trust-row > div { border-right: 0; padding: 12px 24px; }
  .steps { grid-template-columns: 1fr; gap: 45px; padding: 60px; }
  .card-grid { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .header { width: calc(100% - 32px); height: 76px; }
  .header-cta { padding: 11px 14px; }
  .logo { font-size: 22px; }
  .logo-mark { width: 34px; height: 34px; }
  .hero { min-height: 970px; padding: 66px 20px 290px; }
  h1 { font-size: 48px; }
  .hero-text { font-size: 18px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 17px; }
  .button { width: 100%; }
  .text-link { align-self: center; }
  .hero-visual { top: 510px; width: 520px; max-width: 118vw; right: -16%; }
  .trust-row { width: calc(100% - 28px); min-height: 0; }
  .feature-icon { min-width: 44px; height: 44px; border-radius: 14px; }
  .section { padding: 85px 0; }
  .steps { width: calc(100% - 28px); padding: 44px 20px; border-radius: 28px; }
  .steps h2 { font-size: 40px; }
  .final-cta { flex-direction: column; align-items: stretch; padding: 48px 24px; }
  footer { width: calc(100% - 32px); }
}