:root {
  --ink: #102326;
  --muted: #5e7273;
  --paper: #f7faf9;
  --white: #ffffff;
  --line: #dbe7e4;
  --teal: #007c6c;
  --teal-deep: #004f45;
  --mint: #baf3e4;
  --mint-soft: #e9faf5;
  --gold: #ffbd2e;
  --coral: #ff8067;
  --shadow: 0 24px 70px rgba(10, 67, 60, .13);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
body::selection { background: var(--mint); color: var(--teal-deep); }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 100; background: var(--ink); color: white; padding: 10px 16px; border-radius: 12px; }
.skip-link:focus { top: 16px; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(0,79,69,.09); background: rgba(247,250,249,.88); backdrop-filter: blur(18px); }
.nav { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 850; letter-spacing: -.045em; font-size: 1.45rem; }
.brand-mark { width: 34px; height: 34px; border-radius: 11px; background: linear-gradient(145deg, var(--teal), var(--teal-deep)); display: grid; place-items: center; box-shadow: 0 8px 22px rgba(0,124,108,.22); }
.brand-mark::after { content: "Z"; color: white; font-weight: 900; font-size: 18px; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { text-decoration: none; color: #365456; font-weight: 650; font-size: .94rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--teal); }
.nav-links a.btn-primary, .nav-links a.btn-primary:hover { color: white; }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--ink); padding: 8px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent; text-decoration: none; font-weight: 760; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: white; background: var(--teal); box-shadow: 0 12px 28px rgba(0,124,108,.2); }
.btn-primary:hover { background: var(--teal-deep); }
.btn-secondary { color: var(--teal-deep); background: white; border-color: var(--line); }
.btn-disabled { color: #5f706f; background: #e9eeee; cursor: not-allowed; box-shadow: none; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 18px; color: var(--teal); font-size: .78rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 4px; background: var(--gold); }
.display { margin: 0; font-size: clamp(3.1rem, 8vw, 7.4rem); line-height: .94; letter-spacing: -.075em; font-weight: 900; }
.display .accent, .headline .accent { color: var(--teal); }
.headline { margin: 0; font-size: clamp(2.2rem, 5vw, 4.8rem); line-height: 1.02; letter-spacing: -.06em; font-weight: 890; }
.section-title { margin: 0; font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.06; letter-spacing: -.05em; font-weight: 850; }
.lead { max-width: 700px; color: var(--muted); font-size: clamp(1.06rem, 2vw, 1.28rem); line-height: 1.7; }
.hero { min-height: calc(100vh - 78px); display: grid; align-items: center; padding: 88px 0 72px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: center; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-note { margin: 18px 0 0; color: #6f8180; font-size: .9rem; }
.orbit-stage { position: relative; min-height: 580px; display: grid; place-items: center; }
.orbit-stage::before { content: ""; position: absolute; width: 500px; aspect-ratio: 1; border: 1px solid #cce1dc; border-radius: 50%; box-shadow: 0 0 0 60px rgba(0,124,108,.025), 0 0 0 120px rgba(0,124,108,.015); }
.orb { width: 280px; aspect-ratio: 1; border-radius: 48% 52% 55% 45% / 45% 46% 54% 55%; background: radial-gradient(circle at 35% 30%, #d8fff5 0 8%, #4dd4b7 22%, #008b78 55%, #004f45 100%); box-shadow: inset -28px -36px 70px rgba(0,30,27,.28), 0 30px 80px rgba(0,97,84,.22); animation: float 7s ease-in-out infinite; }
.orbit-chip { position: absolute; display: flex; align-items: center; gap: 10px; padding: 13px 16px; border-radius: 18px; background: rgba(255,255,255,.92); border: 1px solid white; box-shadow: 0 18px 40px rgba(10,67,60,.12); font-weight: 750; }
.orbit-chip i { width: 10px; height: 10px; border-radius: 50%; background: var(--gold); }
.orbit-chip.c1 { top: 15%; right: 3%; }
.orbit-chip.c2 { bottom: 18%; left: 3%; }
.orbit-chip.c3 { bottom: 5%; right: 12%; }
@keyframes float { 50% { transform: translateY(-14px) rotate(4deg); } }
.section { padding: 110px 0; }
.section-soft { background: var(--mint-soft); }
.section-dark { background: var(--ink); color: white; }
.section-head { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 48px; }
.section-head p { max-width: 560px; margin: 0; color: var(--muted); }
.section-dark .section-head p { color: #b9ccca; }
.product-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 22px; }
.product-card { position: relative; overflow: hidden; min-height: 520px; border-radius: 36px; padding: 44px; background: white; border: 1px solid var(--line); box-shadow: var(--shadow); }
.product-card h3 { margin: 18px 0 12px; font-size: clamp(2rem, 4vw, 3.7rem); line-height: 1; letter-spacing: -.055em; }
.product-card p { max-width: 560px; color: var(--muted); }
.product-card.primary { color: white; background: radial-gradient(circle at 80% 10%, #0ca38d, transparent 35%), linear-gradient(145deg, #006e60, #003f38 70%); border: 0; }
.product-card.primary p { color: #cde8e3; }
.product-card.primary .phone-peek { position: absolute; right: -55px; bottom: -160px; width: 330px; height: 650px; padding: 9px; border-radius: 52px; background: #071d1c; transform: rotate(8deg); box-shadow: -16px 20px 60px rgba(0,0,0,.3); }
.product-card.primary .phone-peek img { width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 44px; }
.product-card.primary .card-copy { position: relative; z-index: 2; max-width: 58%; }
.status { display: inline-flex; align-items: center; padding: 7px 12px; border-radius: 999px; background: var(--mint-soft); color: var(--teal-deep); font-size: .76rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.primary .status { background: rgba(255,255,255,.14); color: white; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value-card, .feature-card { background: white; border: 1px solid var(--line); border-radius: 24px; padding: 28px; }
.value-card .num { color: var(--teal); font-size: 2.3rem; font-weight: 900; letter-spacing: -.05em; }
.value-card h3, .feature-card h3 { margin: 18px 0 8px; font-size: 1.22rem; }
.value-card p, .feature-card p { margin: 0; color: var(--muted); }
.app-hero { padding: 88px 0 100px; background: radial-gradient(circle at 80% 10%, rgba(186,243,228,.75), transparent 36%); overflow: hidden; }
.app-hero-grid { display: grid; grid-template-columns: 1fr .82fr; gap: 70px; align-items: center; }
.app-id { display: flex; align-items: center; gap: 16px; margin-bottom: 26px; }
.app-icon { width: 74px; height: 74px; border-radius: 22px; box-shadow: 0 16px 34px rgba(0,79,69,.18); }
.app-id strong { display: block; font-size: 1.15rem; }
.app-id span { color: var(--muted); }
.phone-stack { position: relative; min-height: 720px; display: grid; place-items: center; }
.phone { position: absolute; width: min(330px, 75vw); height: 690px; padding: 10px; border-radius: 48px; background: #0a201e; box-shadow: 0 32px 80px rgba(0,52,46,.25); overflow: hidden; }
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 39px; }
.phone.back { transform: translate(-95px, 25px) rotate(-7deg) scale(.9); opacity: .78; }
.phone.front { transform: translate(90px, -10px) rotate(5deg); }
.proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; margin-top: 48px; }
.proof-strip div { background: white; padding: 22px; }
.proof-strip strong { display: block; color: var(--teal); font-size: 1.6rem; }
.proof-strip span { color: var(--muted); font-size: .9rem; }
.feature-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.feature-tabs button { padding: 10px 16px; border-radius: 999px; border: 1px solid var(--line); color: #47605f; background: white; cursor: pointer; font-weight: 730; }
.feature-tabs button.active { background: var(--teal); color: white; border-color: var(--teal); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { min-height: 225px; transition: transform .2s ease, opacity .2s ease; }
.feature-card:hover { transform: translateY(-4px); }
.feature-card[hidden] { display: none; }
.feature-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 15px; background: var(--mint-soft); color: var(--teal-deep); font-weight: 900; }
.tag { display: inline-flex; margin-top: 18px; padding: 5px 9px; border-radius: 9px; background: #f0f4f3; color: #55706d; font-size: .76rem; font-weight: 750; }
.showcase { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: center; }
.showcase.reverse { grid-template-columns: 1.15fr .85fr; }
.showcase-copy ul { padding: 0; list-style: none; margin: 28px 0; }
.showcase-copy li { display: flex; gap: 12px; margin: 14px 0; color: #496260; }
.showcase-copy li::before { content: "✓"; color: var(--teal); font-weight: 900; }
.media-collage { position: relative; min-height: 670px; }
.media-card { position: absolute; overflow: hidden; border-radius: 30px; border: 9px solid white; box-shadow: var(--shadow); background: white; }
.media-card img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.media-card.one { width: 48%; height: 590px; left: 3%; top: 22px; transform: rotate(-3deg); }
.media-card.two { width: 48%; height: 560px; right: 3%; top: 75px; transform: rotate(3deg); }
.media-card.wide { width: 88%; height: 500px; inset: 60px 6% auto; }
.banner { border-radius: 32px; overflow: hidden; box-shadow: var(--shadow); }
.cta { display: grid; grid-template-columns: 1fr auto; gap: 34px; align-items: center; padding: 48px; border-radius: 32px; background: linear-gradient(120deg, var(--teal-deep), #007c6c); color: white; }
.cta p { color: #c8e6e0; margin-bottom: 0; }
.legal-hero { padding: 80px 0 42px; }
.legal-wrap { display: grid; grid-template-columns: 250px minmax(0, 760px); gap: 60px; align-items: start; padding-bottom: 100px; }
.legal-nav { position: sticky; top: 110px; padding: 20px; border-radius: 20px; background: white; border: 1px solid var(--line); }
.legal-nav a { display: block; padding: 8px 10px; color: var(--muted); text-decoration: none; border-radius: 10px; font-size: .92rem; }
.legal-nav a:hover { color: var(--teal); background: var(--mint-soft); }
.legal-body { background: white; border: 1px solid var(--line); border-radius: 28px; padding: 46px; }
.legal-body h2 { margin-top: 42px; color: var(--teal-deep); font-size: 1.5rem; }
.legal-body h2:first-child { margin-top: 0; }
.legal-body h3 { margin-top: 28px; }
.legal-body p, .legal-body li { color: #48605f; }
.legal-callout { padding: 18px 20px; border-left: 4px solid var(--gold); border-radius: 12px; background: #fff8e6; }
.danger { border-left-color: var(--coral); background: #fff1ee; }
.steps { counter-reset: step; display: grid; gap: 12px; margin: 24px 0; }
.step { position: relative; padding: 18px 18px 18px 62px; border: 1px solid var(--line); border-radius: 18px; background: #fbfdfc; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 18px; top: 17px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--teal); font-weight: 850; }
.site-footer { background: #0d2425; color: white; padding: 68px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, .7fr); gap: 40px; }
.footer-grid h3 { margin-top: 0; font-size: 1rem; }
.footer-grid p, .footer-grid a { color: #abc0be; }
.footer-grid a { display: block; text-decoration: none; margin: 8px 0; }
.footer-grid a:hover { color: white; }
.footer-bottom { margin-top: 48px; padding-top: 22px; border-top: 1px solid #274141; color: #8da5a2; font-size: .9rem; display: flex; justify-content: space-between; gap: 20px; }
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 920px) {
  .hero-grid, .app-hero-grid, .showcase, .showcase.reverse { grid-template-columns: 1fr; }
  .orbit-stage { min-height: 440px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card.primary .card-copy { max-width: 70%; }
  .value-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .phone-stack { min-height: 650px; }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .legal-wrap { grid-template-columns: 1fr; gap: 24px; }
  .legal-nav { position: static; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 28px, 1180px); }
  .nav { height: 68px; }
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 68px; left: 14px; right: 14px; flex-direction: column; align-items: stretch; gap: 4px; padding: 16px; border: 1px solid var(--line); border-radius: 18px; background: white; box-shadow: var(--shadow); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px; }
  .nav-links .btn { margin-top: 4px; }
  .hero { min-height: auto; padding-top: 68px; }
  .display { font-size: clamp(3rem, 14.5vw, 4.15rem); line-height: .98; letter-spacing: -.065em; overflow-wrap: anywhere; }
  .orbit-stage { min-height: 350px; }
  .orbit-stage::before { width: 300px; }
  .orb { width: 190px; }
  .orbit-chip { font-size: .78rem; padding: 9px 12px; }
  .section { padding: 76px 0; }
  .section-head { align-items: start; flex-direction: column; margin-bottom: 34px; }
  .product-card { min-height: 470px; padding: 30px; }
  .product-card.primary .card-copy { max-width: 100%; }
  .product-card.primary .phone-peek { opacity: .24; right: -90px; }
  .value-grid, .feature-grid { grid-template-columns: 1fr; }
  .app-hero { padding-top: 62px; }
  .phone-stack { min-height: 520px; }
  .phone { height: 520px; width: 250px; border-radius: 38px; }
  .phone img { border-radius: 30px; }
  .phone.back { transform: translate(-45px, 18px) rotate(-6deg) scale(.88); }
  .phone.front { transform: translate(48px, -5px) rotate(4deg); }
  .proof-strip { grid-template-columns: 1fr 1fr; }
  .proof-strip div { padding: 16px; }
  .media-collage { min-height: 520px; }
  .media-card.one { height: 450px; width: 55%; left: 0; }
  .media-card.two { height: 430px; width: 55%; right: 0; }
  .media-card.wide { height: 400px; width: 100%; inset-inline: 0; }
  .cta { grid-template-columns: 1fr; padding: 32px; }
  .legal-body { padding: 26px 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}