:root {
  --ink: #092a27;
  --paper: #f6f4e9;
  --green: #21c77c;
  --green-dark: #0b9b60;
  --cyan: #58cbed;
  --orange: #ff642a;
  --line: rgba(9, 42, 39, .14);
  --shadow: 0 26px 70px rgba(3, 39, 30, .20);
}

* { 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;
  line-height: 1.55;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }

.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 244, 233, .84);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.nav-inner { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 24px; font-weight: 900; text-decoration: none; letter-spacing: -.7px; }
.brand-logo { width: 38px; height: 38px; border-radius: 11px; object-fit: cover; box-shadow: 0 6px 16px rgba(3,39,30,.24); }
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 14px; font-weight: 750; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--orange); }
.nav-cta { padding: 11px 18px; color: white !important; background: var(--ink); border-radius: 999px; }

.hero { position: relative; overflow: hidden; min-height: 760px; background: linear-gradient(145deg, var(--cyan), #57d999 60%, var(--green)); }
.hero::before, .hero::after { content: ""; position: absolute; border: 2px solid rgba(255,255,255,.35); border-radius: 50%; }
.hero::before { width: 460px; height: 460px; right: -140px; top: -210px; }
.hero::after { width: 560px; height: 560px; left: -310px; bottom: -250px; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; padding: 94px 0 80px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 20px; padding: 8px 13px; border-radius: 999px; background: rgba(246,244,233,.78); font-size: 12px; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.hero h1, .page-hero h1 { margin: 0; font-size: clamp(54px, 7vw, 92px); line-height: .94; letter-spacing: -.065em; }
.hero h1 span, .page-hero h1 span { color: var(--paper); }
.hero-copy { max-width: 600px; margin: 28px 0 30px; font-size: 19px; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 22px; border: 0; border-radius: 999px; background: var(--ink); color: white; text-decoration: none; font-weight: 850; cursor: pointer; }
.button.orange { background: var(--orange); }
.button.ghost { color: var(--ink); background: rgba(255,255,255,.62); border: 1px solid rgba(9,42,39,.18); }
.phone-stage { position: relative; min-height: 600px; }
.phone { position: absolute; width: 285px; border: 9px solid var(--ink); border-radius: 42px; overflow: hidden; background: var(--ink); box-shadow: var(--shadow); }
.phone.main { right: 40px; top: 0; transform: rotate(4deg); }
.phone.back { left: 0; bottom: -15px; transform: rotate(-7deg); }
.float-card { position: absolute; right: -10px; bottom: 80px; width: 215px; padding: 17px; color: white; background: var(--orange); border: 3px solid var(--ink); border-radius: 18px; transform: rotate(-3deg); box-shadow: 8px 9px 0 var(--ink); }
.float-card strong { display: block; font-size: 22px; line-height: 1.05; }

.section { padding: 110px 0; }
.section.dark { color: var(--paper); background: var(--ink); }
.section.green { background: var(--green); }
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: end; margin-bottom: 54px; }
.section h2 { margin: 0; font-size: clamp(42px, 5vw, 70px); line-height: .98; letter-spacing: -.05em; }
.section-head p { max-width: 540px; margin: 0; font-size: 18px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { position: relative; min-height: 265px; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.58); overflow: hidden; }
.feature.dark-card { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.15); }
.feature-number { color: var(--orange); font-size: 12px; font-weight: 950; letter-spacing: .12em; }
.feature h3 { margin: 40px 0 10px; font-size: 28px; line-height: 1.05; letter-spacing: -.03em; }
.feature p { margin: 0; opacity: .78; }
.screens { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; align-items: center; }
.screens img { border: 6px solid var(--ink); border-radius: 28px; box-shadow: 0 22px 48px rgba(0,0,0,.18); }
.screens img:nth-child(even) { transform: translateY(35px); }

.cta { padding: 90px 0; text-align: center; background: linear-gradient(130deg, var(--orange), #ff9f3f); }
.cta h2 { max-width: 800px; margin: 0 auto 25px; font-size: clamp(46px, 6vw, 78px); line-height: .96; letter-spacing: -.055em; }

.page-hero { padding: 95px 0 80px; background: linear-gradient(135deg, var(--cyan), var(--green)); }
.page-hero p { max-width: 680px; margin: 25px 0 0; font-size: 20px; }
.content-grid { display: grid; grid-template-columns: 280px 1fr; gap: 70px; padding: 90px 0 120px; }
.side-card { position: sticky; top: 110px; height: fit-content; padding: 25px; border-radius: 22px; background: white; border: 1px solid var(--line); }
.side-card a { display: block; padding: 10px 0; text-decoration: none; font-weight: 750; border-bottom: 1px solid var(--line); }
.side-card a:last-child { border: 0; }
.article section { margin-bottom: 72px; scroll-margin-top: 110px; }
.article h2 { margin: 0 0 18px; font-size: 40px; letter-spacing: -.04em; }
.article h3 { margin: 30px 0 8px; font-size: 22px; }
.article p { max-width: 760px; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq summary { cursor: pointer; list-style: none; font-size: 18px; font-weight: 850; }
.faq summary::after { content: "+"; float: right; color: var(--orange); font-size: 26px; }
.faq details[open] summary::after { content: "−"; }
.contact-card { padding: 34px; border-radius: 26px; background: var(--ink); color: var(--paper); }
.contact-card a { color: var(--cyan); }

.footer { padding: 44px 0; background: #071e1c; color: rgba(255,255,255,.76); }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; align-items: center; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer a { color: inherit; text-decoration: none; }
.muted { opacity: .68; }

@media (max-width: 900px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .hero-grid, .section-head, .content-grid { grid-template-columns: 1fr; }
  .hero-grid { padding-top: 65px; gap: 25px; }
  .phone-stage { min-height: 590px; max-width: 560px; width: 100%; margin: auto; }
  .feature-grid { grid-template-columns: 1fr; }
  .screens { grid-template-columns: repeat(3, 1fr); }
  .screens img:nth-child(even) { transform: none; }
  .side-card { position: static; }
}
@media (max-width: 580px) {
  .shell { width: min(100% - 28px, 1180px); }
  .hero { min-height: auto; }
  .hero h1, .page-hero h1 { font-size: 53px; }
  .hero-copy { font-size: 17px; }
  .phone-stage { min-height: 500px; }
  .phone { width: 220px; border-width: 7px; border-radius: 32px; }
  .phone.main { right: 3px; }
  .phone.back { left: 2px; }
  .float-card { right: 0; bottom: 35px; width: 180px; }
  .section { padding: 78px 0; }
  .screens { grid-template-columns: repeat(2, 1fr); }
  .screens img:last-child { display: none; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}