:root {
  --bg: #ffffff; --bg-alt: #f4f6f8; --surface: #ffffff; --border: #e2e5ea;
  --text: #121417; --muted: #5a626e;
  --accent: #0b6a87; --accent-strong: #08546b; --on-accent: #ffffff;
  --accent-soft: #dff1f6; --on-accent-soft: #094f65;
  --amber: #e8a23a; --green: #1c6e45; --green-soft: #e2f4ea;
  --radius: 20px; --shadow: 0 20px 50px -20px rgba(9, 50, 66, .35);
  --max: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0d10; --bg-alt: #121419; --surface: #17191e; --border: #2b2f37;
    --text: #f2f3f5; --muted: #a2a9b4;
    --accent: #5ec4e0; --accent-strong: #8bd6ea; --on-accent: #0c0d10;
    --accent-soft: #0e2c36; --on-accent-soft: #a9e2f1;
    --green: #6fd29d; --green-soft: #12301f;
    --shadow: 0 20px 50px -20px rgba(0, 0, 0, .8);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 85%, transparent);
       backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
       border-bottom: 1px solid var(--border); }
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav nav { margin-left: auto; display: flex; gap: 22px; font-size: 15px; }
.nav nav a { color: var(--muted); }
.nav nav a:hover { color: var(--text); text-decoration: none; }
@media (max-width: 640px) { .nav nav a.opt { display: none; } }

/* Buttons and pills */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 999px;
       font-weight: 600; font-size: 16px; border: 1px solid transparent; }
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-strong); }
.btn.ghost { border-color: var(--border); color: var(--text); }
.pill { display: inline-flex; align-items: center; gap: 8px; background: var(--accent-soft); color: var(--on-accent-soft);
        border-radius: 999px; padding: 6px 14px; font-size: 14px; font-weight: 600; }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }

/* Hero */
.hero { padding: 72px 0 40px; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(38px, 6vw, 62px); line-height: 1.05; letter-spacing: -1.5px; margin: 18px 0 18px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p.lead { font-size: 20px; color: var(--muted); margin: 0 0 28px; max-width: 34ch; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .meta { margin-top: 22px; font-size: 14px; color: var(--muted); }
.phones { position: relative; display: flex; justify-content: center; min-height: 560px; }
.phone { width: 270px; border-radius: 44px; padding: 10px; background: #0f1114; box-shadow: var(--shadow); }
.phone img { border-radius: 34px; }
.phones .back { position: absolute; transform: translate(-120px, 40px) rotate(-6deg) scale(.88); opacity: .95; }
.phones .front { position: relative; transform: translateX(70px); }
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero .ctas { justify-content: center; }
  .phones { min-height: 0; }
  .phones .back { display: none; }
  .phones .front { transform: none; }
  .phone { width: 240px; }
}

/* Rules strip */
.strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-alt); }
.strip .wrap { display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: center; padding: 18px 20px;
               font-size: 15px; color: var(--muted); }
.strip b { color: var(--text); font-weight: 600; }

/* Sections */
section.block { padding: 88px 0; }
section.block.alt { background: var(--bg-alt); }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 13px; font-weight: 700; color: var(--accent); }
h2 { font-size: clamp(30px, 4vw, 42px); line-height: 1.12; letter-spacing: -.8px; margin: 10px 0 14px; }
.sub { color: var(--muted); font-size: 19px; max-width: 60ch; margin: 0 0 44px; }
.center { text-align: center; } .center .sub { margin-left: auto; margin-right: auto; }

/* Features */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.card h3 { font-size: 19px; margin: 14px 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.icon { width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--on-accent-soft);
        display: grid; place-items: center; }
.icon svg { width: 24px; height: 24px; }

/* Showcase rows */
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.row + .row { margin-top: 96px; }
.row.flip .text { order: 2; }
.row .shot { display: flex; justify-content: center; }
.row ul { padding: 0; margin: 18px 0 0; list-style: none; }
.row li { padding-left: 30px; position: relative; margin: 10px 0; color: var(--muted); }
.row li::before { content: ""; position: absolute; left: 0; top: 6px; width: 18px; height: 18px; border-radius: 50%;
                  background: var(--green-soft); box-shadow: inset 0 0 0 5px var(--green-soft), inset 0 0 0 9px var(--green); }
@media (max-width: 900px) {
  .row { grid-template-columns: 1fr; gap: 32px; }
  .row.flip .text { order: 0; }
}

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }
.step { counter-increment: step; }
.step::before { content: counter(step); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
                background: var(--accent); color: var(--on-accent); font-weight: 700; }

/* Privacy band */
.privacy { background: linear-gradient(135deg, #0b6a87, #094f65); color: #fff; border-radius: 28px; padding: 56px;
           display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.privacy h2 { color: #fff; } .privacy p { color: #d6eef5; }
.privacy ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.privacy li { background: rgba(255,255,255,.1); border-radius: 14px; padding: 14px 18px; font-weight: 600; }
.privacy li span { display: block; font-weight: 400; color: #cfe9f1; font-size: 15px; }
@media (max-width: 800px) { .privacy { grid-template-columns: 1fr; padding: 32px 22px; } }

/* Audience */
.who { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 900px) { .who { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .who { grid-template-columns: 1fr; } }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; }
details { border-bottom: 1px solid var(--border); padding: 18px 0; }
summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-size: 24px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin: 10px 0 0; }

/* Final CTA + footer */
.final { text-align: center; }
.final img { width: 96px; height: 96px; border-radius: 22px; margin: 0 auto 18px; box-shadow: var(--shadow); }
footer { border-top: 1px solid var(--border); padding: 40px 0 56px; font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 40px; justify-content: space-between; }
footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
footer nav a { color: var(--muted); }

/* Document pages (privacy, support) */
.doc { max-width: 720px; margin: 0 auto; padding: 56px 20px 80px; }
.doc h1 { font-size: clamp(32px, 5vw, 44px); letter-spacing: -1px; margin: 0 0 6px; line-height: 1.1; }
.doc h2 { font-size: 22px; letter-spacing: 0; margin: 36px 0 8px; }
.doc p.meta { color: var(--muted); margin-top: 0; }
.doc li { margin: 8px 0; }
.doc .contact { background: var(--accent-soft); color: var(--on-accent-soft); border-radius: 16px; padding: 20px 24px; margin-top: 36px; }
.doc .contact a { color: var(--on-accent-soft); font-weight: 600; text-decoration: underline; }