:root {
  --ink: #071821;
  --ink-soft: #0b2531;
  --blue: #49a9d4;
  --mint: #67ddbf;
  --paper: #f4f8f8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: white; font-family: Arial, Helvetica, sans-serif; }
a { color: inherit; text-decoration: none; }
main { min-height: 100vh; overflow: hidden; position: relative; }

.nav { height: 88px; max-width: 1220px; padding: 0 28px; margin: auto; display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 10; }
.brand { display: flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 800; letter-spacing: -.5px; }
.brand img { width: 42px; height: 42px; object-fit: cover; object-position: top; border-radius: 50%; }
.nav-link { border: 1px solid rgba(255,255,255,.2); border-radius: 999px; padding: 12px 18px; font-size: 14px; font-weight: 700; transition: .25s ease; }
.nav-link:hover { border-color: var(--mint); color: var(--mint); transform: translateY(-2px); }

.ambient { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; opacity: .16; }
.ambient-one { width: 520px; height: 520px; background: var(--blue); right: -150px; top: 120px; }
.ambient-two { width: 380px; height: 380px; background: var(--mint); left: -250px; top: 450px; }

.hero { max-width: 1220px; min-height: 680px; margin: auto; padding: 80px 28px 110px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 55px; position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 8px 13px; border: 1px solid rgba(103,221,191,.25); background: rgba(103,221,191,.07); border-radius: 999px; color: #aaf2df; font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 5px rgba(103,221,191,.12); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 9px rgba(103,221,191,0); } }
h1 { margin: 28px 0 22px; font-size: clamp(54px, 6vw, 84px); line-height: .98; letter-spacing: -.065em; max-width: 730px; }
h1 span { display: block; color: var(--mint); }
.intro { max-width: 620px; color: #aac0c8; font-size: 18px; line-height: 1.7; margin: 0; }
.actions { display: flex; align-items: center; gap: 28px; margin-top: 36px; flex-wrap: wrap; }
.app-store-button { min-width: 190px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; background: white; color: #081821; border-radius: 13px; padding: 11px 20px; font-weight: 700; box-shadow: 0 14px 35px rgba(0,0,0,.22); transition: .25s ease; }
.app-store-button:hover { transform: translateY(-3px); box-shadow: 0 18px 42px rgba(0,0,0,.3); }
.app-store-button small { display: block; font-size: 10px; font-weight: 500; line-height: 1; margin-bottom: 3px; }
.app-store-button span { font-size: 20px; line-height: 1; }
.apple-mark { width: 24px; height: 30px; font-size: 0; position: relative; background: currentColor; border-radius: 50% 50% 44% 44%; transform: scale(.68); }
.apple-mark::before { content: ""; position: absolute; width: 11px; height: 8px; border-radius: 100% 0; background: currentColor; top: -8px; left: 13px; transform: rotate(-28deg); }
.apple-mark::after { content: ""; position: absolute; width: 9px; height: 11px; border-radius: 50%; background: white; right: -5px; top: 5px; }
.learn-more { font-size: 14px; font-weight: 700; color: #c8d7dc; display: flex; gap: 10px; align-items: center; }
.learn-more span { color: var(--mint); }
.trust-row { display: flex; gap: 22px; margin-top: 46px; color: #78929d; font-size: 12px; font-weight: 700; flex-wrap: wrap; }
.trust-row i { color: var(--mint); font-style: normal; margin-right: 5px; }

.hero-visual { min-height: 520px; position: relative; display: grid; place-items: center; }
.logo-stage { width: 350px; height: 350px; display: grid; place-items: center; border-radius: 50%; position: relative; background: radial-gradient(circle, rgba(45,117,145,.18), rgba(7,24,33,0) 70%); }
.logo-stage img { width: 290px; position: relative; z-index: 2; border-radius: 35px; filter: drop-shadow(0 28px 45px rgba(0,0,0,.35)); animation: float 5s ease-in-out infinite; }
.logo-glow { position: absolute; inset: 70px; background: var(--blue); border-radius: 50%; filter: blur(55px); opacity: .3; }
@keyframes float { 50% { transform: translateY(-12px); } }
.orbit { position: absolute; border: 1px solid rgba(105,220,191,.14); border-radius: 50%; }
.orbit-one { width: 410px; height: 410px; }
.orbit-two { width: 510px; height: 510px; border-style: dashed; animation: spin 30s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.floating-card { position: absolute; z-index: 4; display: flex; align-items: center; gap: 11px; padding: 13px 16px; border: 1px solid rgba(255,255,255,.12); background: rgba(14,43,54,.75); backdrop-filter: blur(14px); border-radius: 14px; box-shadow: 0 18px 45px rgba(0,0,0,.25); }
.floating-card small, .floating-card strong { display: block; }
.floating-card small { color: #8099a3; font-size: 9px; margin-bottom: 4px; }
.floating-card strong { font-size: 12px; }
.card-icon { width: 31px; height: 31px; display: grid; place-items: center; border-radius: 9px; background: rgba(73,169,212,.17); color: var(--blue); }
.card-icon.mint { background: rgba(103,221,191,.17); color: var(--mint); }
.card-top { top: 80px; right: -5px; }
.card-bottom { bottom: 55px; left: -15px; }

.how { background: var(--paper); color: var(--ink); padding: 100px 28px 110px; position: relative; z-index: 3; }
.section-heading { max-width: 680px; margin: auto; text-align: center; }
.section-heading > span, .closing > div > span { color: #2089ae; font-size: 11px; letter-spacing: .18em; font-weight: 900; }
.section-heading h2 { font-size: clamp(36px, 5vw, 54px); letter-spacing: -.045em; margin: 13px 0; }
.section-heading p { color: #63747a; font-size: 16px; line-height: 1.6; }
.steps { max-width: 1080px; margin: 58px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.steps article { background: white; padding: 32px; min-height: 220px; border-radius: 20px; border: 1px solid #e3ebec; transition: .25s ease; }
.steps article:hover { transform: translateY(-5px); box-shadow: 0 18px 45px rgba(7,24,33,.08); }
.steps b { color: var(--blue); font-size: 13px; }
.steps span { display: block; font-size: 24px; font-weight: 800; margin: 28px 0 10px; }
.steps p { color: #718086; line-height: 1.55; margin: 0; font-size: 14px; }

.closing { max-width: 1160px; margin: 0 auto; min-height: 330px; padding: 65px 28px; display: grid; grid-template-columns: 120px 1fr auto; gap: 38px; align-items: center; }
.closing > img { width: 120px; border-radius: 18px; }
.closing h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -.04em; margin: 9px 0 0; line-height: 1.05; }
footer { max-width: 1160px; margin: auto; padding: 25px 28px 35px; border-top: 1px solid rgba(255,255,255,.1); color: #6f8a95; font-size: 12px; display: flex; justify-content: space-between; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 55px; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-visual { min-height: 480px; }
  .trust-row { justify-content: center; }
  .closing { grid-template-columns: 90px 1fr; }
  .closing > img { width: 90px; }
  .closing .app-store-button { grid-column: 1 / -1; justify-self: center; }
}

@media (max-width: 640px) {
  .nav { height: 76px; padding: 0 20px; }
  .nav-link { padding: 10px 14px; }
  .hero { padding: 50px 20px 75px; }
  h1 { font-size: 48px; }
  .intro { font-size: 16px; }
  .actions { flex-direction: column; gap: 20px; }
  .hero-visual { min-height: 390px; transform: scale(.82); margin: -45px -40px; }
  .steps { grid-template-columns: 1fr; }
  .how { padding: 80px 20px; }
  .closing { text-align: center; grid-template-columns: 1fr; justify-items: center; padding: 70px 20px; }
  .closing .app-store-button { grid-column: auto; }
  footer { margin: 0 20px; padding-left: 0; padding-right: 0; flex-direction: column; gap: 9px; align-items: center; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}