:root {
  --bg: #f5f7f7;
  --bg-alt: #eaf2f1;
  --card: #ffffff;
  --text: #16201f;
  --muted: #5b6766;
  --accent: #00897f;
  --accent-strong: #00756c;
  --border: #e2e8e7;
  --shadow: 0 18px 40px -18px rgba(10, 40, 38, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1514;
    --bg-alt: #141d1c;
    --card: #182120;
    --text: #e8efee;
    --muted: #9aa8a6;
    --accent: #33d1bd;
    --accent-strong: #5fe0cf;
    --border: #26302f;
    --shadow: 0 18px 40px -18px rgba(0, 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", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.topbar-end { display: flex; align-items: center; gap: 22px; }

/* Language menu, top right */
.lang-menu { position: relative; }
.lang-menu summary {
  display: flex; align-items: center; gap: 6px; cursor: pointer; list-style: none;
  font-size: 14px; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px; padding: 5px 10px 5px 8px;
  background: var(--card);
}
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary:hover { color: var(--text); }
.lang-menu summary svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.lang-menu summary .chev { width: 12px; height: 12px; transition: transform .15s; }
.lang-menu[open] summary .chev { transform: rotate(180deg); }
.lang-menu ul {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 20;
  list-style: none; margin: 0; padding: 6px; min-width: 200px;
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow);
}
.lang-menu li a {
  display: block; padding: 7px 12px; border-radius: 9px; color: var(--text); font-size: 15px;
}
.lang-menu li a:hover { background: var(--bg-alt); text-decoration: none; }
.lang-menu li a[aria-current] { color: var(--accent); font-weight: 600; }

.topnav { display: flex; gap: 22px; font-size: 15px; }
.topnav a { color: var(--muted); }
.topnav a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero {
  padding: 72px 0 56px;
  background:
    radial-gradient(900px 420px at 85% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
    radial-gradient(700px 380px at 0% 100%, color-mix(in srgb, #2f80ed 10%, transparent), transparent 70%);
  overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 10px; }
.hero h1 { font-size: clamp(36px, 5vw, 56px); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 18px; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; }
.store-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--text); color: var(--bg);
  border-radius: 12px; padding: 9px 18px 9px 14px;
}
.store-btn svg { width: 26px; height: 26px; fill: currentColor; }
.store-btn span { display: flex; flex-direction: column; font-size: 20px; font-weight: 600; line-height: 1.1; }
.store-btn small { font-size: 11px; font-weight: 500; opacity: .85; }
.price { color: var(--muted); font-size: 15px; }

.hero-art { position: relative; padding: 0 0 40px 0; }
.art-mac { border-radius: 12px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.art-phone {
  position: absolute; right: -10px; bottom: 0; width: 30%;
  border-radius: 26px; box-shadow: var(--shadow); border: 1px solid var(--border);
}

/* Steps */
.steps { padding: 8px 0 24px; }
.step-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step-list li { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 22px 22px 18px; }
.num {
  display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 15px;
}
.step-list h3 { margin: 12px 0 4px; font-size: 18px; }
.step-list p { margin: 0; color: var(--muted); font-size: 16px; }

/* Sections */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); }
.section-title { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 10px; text-align: center; }
.section-lead { color: var(--muted); text-align: center; max-width: 38em; margin: 0 auto 40px; font-size: 18px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 24px; }
.feature svg, .privacy-inner svg {
  width: 40px; height: 40px; padding: 8px; border-radius: 11px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  stroke: var(--accent); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.feature h3 { margin: 14px 0 6px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); font-size: 16px; }

/* Showcase */
.showcase { padding: 8px 0 24px; }
.showcase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; max-width: 920px; }
.showcase figure, .device-row figure, .duo-art figure { margin: 0; }
.showcase img { border-radius: 28px; box-shadow: var(--shadow); border: 1px solid var(--border); }
figcaption { color: var(--muted); font-size: 15px; text-align: center; margin-top: 12px; }

/* Devices */
.device-row { display: grid; grid-template-columns: 1.7fr 1fr; gap: 28px; align-items: end; }
.device img { border-radius: 14px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.device.ipad img { border-radius: 22px; }
.device figcaption { text-align: left; }
.device figcaption strong { display: block; color: var(--text); font-size: 17px; }

.duo {
  margin-top: 56px; display: grid; grid-template-columns: 1fr 2fr; gap: 36px; align-items: center;
  background: var(--card); border: 1px solid var(--border); border-radius: 24px; padding: 36px;
}
.duo-text h3 { font-size: 26px; margin: 0 0 8px; }
.duo-text p { color: var(--muted); margin: 0; }
.duo-text .eyebrow { margin-bottom: 6px; }
.duo-art { display: grid; grid-template-columns: 1fr 2.2fr; gap: 20px; align-items: end; }
.duo-art img { border-radius: 20px; box-shadow: var(--shadow); border: 1px solid var(--border); }

/* Requirements */
.req-grid { display: grid; grid-template-columns: 1.1fr 1.3fr 0.9fr; gap: 20px; margin-top: 32px; }
.req-card { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 22px 24px; }
.req-card h3 { margin: 0 0 10px; font-size: 18px; }
.req-card table { width: 100%; border-collapse: collapse; font-size: 15px; }
.req-card th { text-align: left; font-weight: 600; padding: 9px 12px 9px 0; vertical-align: top; white-space: nowrap; }
.req-card td { padding: 9px 0; color: var(--muted); }
.req-card tr + tr th, .req-card tr + tr td { border-top: 1px solid var(--border); }
.muted { color: var(--muted); font-size: 14px; }
.lang-list { list-style: none; padding: 0; margin: 0; font-size: 15px; color: var(--muted); columns: 1; }
.lang-list li { padding: 3px 0; }

/* Privacy band */
.privacy-band { padding: 56px 0; }
.privacy-inner {
  display: flex; gap: 22px; align-items: flex-start;
  background: linear-gradient(135deg, var(--accent), #2f80ed);
  color: #fff; border-radius: 24px; padding: 34px 36px;
}
.privacy-inner svg { flex: none; width: 52px; height: 52px; padding: 10px; background: rgba(255,255,255,.18); stroke: #fff; }
.privacy-inner h2 { margin: 0 0 6px; font-size: 26px; }
.privacy-inner p { margin: 0; opacity: .95; }
.privacy-inner a { color: #fff; text-decoration: underline; }

.support-inner .section-lead { margin-bottom: 0; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 26px 0 40px; font-size: 15px; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer nav { display: flex; gap: 20px; }

/* Narrow screens */
@media (max-width: 900px) {
  .hero { padding-top: 44px; }
  .hero-inner, .duo { grid-template-columns: 1fr; }
  .hero-art { margin-top: 8px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .req-grid { grid-template-columns: 1fr 1fr; }
  .device-row { grid-template-columns: 1fr; }
  .device.ipad { max-width: 420px; margin: 0 auto; }
  .duo { padding: 26px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .topnav a:not(:last-child) { display: none; }
  .lang-menu summary span { display: none; }
  .topbar-end { gap: 14px; }
  .step-list, .feature-grid, .req-grid { grid-template-columns: 1fr; }
  .showcase-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .showcase figure:last-child { display: none; }
  .showcase img { border-radius: 20px; }
  .section { padding: 52px 0; }
  .privacy-inner { flex-direction: column; padding: 26px; }
  .art-phone { right: 0; }
}

/* Social links: logos in their own row at the bottom, apart from the page links */
.social { display: flex; gap: 12px; margin: 0 0 18px; }
.social a {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  color: var(--muted); border: 1px solid var(--border); background: var(--card);
  transition: color .15s, border-color .15s;
}
.social a:hover, .social a:focus-visible { color: var(--accent); border-color: var(--accent); text-decoration: none; }
.social svg { width: 20px; height: 20px; }