/* syncsyte.com — same world as the app (DESIGN.md): site-office neutrals, cobalt, Archivo, flat. */
:root {
  --ground: #F1F3F5; --sheet: #FFFFFF; --sheet-2: #F7F8FA; --ink: #16202B; --ink-2: #4A5563; --ink-3: #5D6876;
  --line: #DCE1E7; --line-2: #EBEEF2; --field-line: #858F9C; --accent: #2350B8; --accent-ink: #1A3E92; --accent-wash: #EAF0FB;
  --deep: #13284A; --on-deep: #E8EEF7; --ok: #1D7A49; --warn: #8F5600;
  --font: 'Archivo', system-ui, -apple-system, 'Segoe UI', sans-serif; --ease: cubic-bezier(.2, .8, .2, 1);
  --max: 1200px; color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --ground: #0F1419; --sheet: #171D24; --sheet-2: #1D252E; --ink: #E7ECF1; --ink-2: #B3BDC8; --ink-3: #8F9AA7;
    --line: #2A333D; --line-2: #222A33; --field-line: #68737F; --accent: #7EA6F5; --accent-ink: #A8C3FA; --accent-wash: #1C2A44; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); font-size: 17px; line-height: 1.55; color: var(--ink); background: var(--sheet); -webkit-font-smoothing: antialiased; }
::selection { background: color-mix(in srgb, var(--accent) 24%, transparent); }
a { color: var(--accent); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
img { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0; letter-spacing: -.025em; text-wrap: balance; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Wordmark: lowercase, one weight, the two y's in cobalt (two parties in sync). */
.wordmark { font-size: 24px; font-weight: 800; letter-spacing: -.045em; line-height: 1; color: var(--ink); font-variation-settings: 'wdth' 92; text-decoration: none; }
.wordmark i { font-style: normal; color: var(--accent); }

.btn { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; height: 44px; padding: 0 20px; border-radius: 999px; font-weight: 650; font-size: 15px; text-decoration: none; border: 1px solid var(--field-line); color: var(--ink); background: var(--sheet); transition: background .2s var(--ease), border-color .2s var(--ease), transform .12s; }
.btn:hover { border-color: var(--ink-3); background: var(--sheet-2); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
@media (prefers-color-scheme: dark) { .btn-primary { color: #0F1419; } }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--sheet) 92%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line-2); }
.top .wrap { height: 68px; display: flex; align-items: center; gap: 28px; }
.top nav { display: flex; gap: 22px; margin-left: 12px; }
.top nav a { color: var(--ink-2); text-decoration: none; font-size: 15px; font-weight: 550; }
.top nav a:hover { color: var(--ink); }
.top .cta { margin-left: auto; display: flex; gap: 10px; }
.top .cta .btn { height: 38px; padding: 0 16px; font-size: 14px; }

/* Hero: the product at work, at real scale */
.hero { padding: 72px 0 40px; background: var(--ground); border-bottom: 1px solid var(--line-2); }
.hero h1 { font-size: clamp(38px, 5.4vw, 68px); line-height: 1.02; font-weight: 750; letter-spacing: -.035em; max-width: 15ch; }
.hero .lede { font-size: clamp(18px, 1.6vw, 21px); color: var(--ink-2); max-width: 56ch; margin: 20px 0 28px; }
.hero .acts { display: flex; gap: 12px; flex-wrap: wrap; }
.screen { margin-top: 48px; border-radius: 12px; border: 1px solid var(--line); background: var(--sheet); overflow: hidden; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .28), 0 2px 6px rgba(0, 0, 0, .06); }
.screen img { width: 100%; height: auto; aspect-ratio: var(--ar, 16 / 10); object-fit: cover; object-position: top left; background: var(--sheet-2); }

/* Who it is for: the parties on one project */
.parties { padding: 28px 0; border-bottom: 1px solid var(--line-2); }
.parties .wrap { display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center; color: var(--ink-2); font-size: 15px; }
.parties b { color: var(--ink); font-weight: 650; }

/* Features: recording beside the words, alternating */
.feature { padding: 96px 0; border-bottom: 1px solid var(--line-2); }
.feature .wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center; }
.feature.flip .wrap { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.feature.flip .copy { order: 2; }
.feature h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.1; font-weight: 720; }
.feature .copy p { color: var(--ink-2); margin-top: 16px; }
.feature ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.feature li { display: flex; gap: 10px; align-items: baseline; font-size: 16px; }
.feature li::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; transform: translateY(-2px); }
.rec { margin: 0; }
.hero .rec { margin-top: 48px; }
.hero .rec .screen, .feature .rec .screen { margin: 0; }
.rec figcaption { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 10px; font-size: 13px; color: var(--ink-2); }
.rec .pause { font: inherit; font-size: 13px; font-weight: 600; color: var(--ink); background: var(--sheet); border: 1px solid var(--field-line); border-radius: 999px; padding: 4px 12px; cursor: pointer; transition: background .2s var(--ease); }
.rec .pause:hover { background: var(--sheet-2); }
.rec.phone { max-width: 360px; justify-self: center; width: 100%; }
.rec.phone .screen { border-radius: 28px; border-width: 8px; border-color: var(--ink); }
.rec.phone .screen img { --ar: 390 / 844; }

/* Closing band */
.close { padding: 96px 0; background: var(--deep); color: var(--on-deep); background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px); background-size: 20px 20px, 20px 20px, 100px 100px, 100px 100px; }
.close h2 { font-size: clamp(30px, 3.4vw, 46px); line-height: 1.05; color: #fff; max-width: 20ch; }
.close p { color: color-mix(in srgb, var(--on-deep) 80%, transparent); max-width: 56ch; margin: 16px 0 28px; }
.close .btn { border-color: rgba(255, 255, 255, .3); color: #fff; background: transparent; }
.close .btn:hover { background: rgba(255, 255, 255, .08); }
.close .btn-primary { background: #fff; color: var(--deep); border-color: #fff; }
.close .btn-primary:hover { background: var(--on-deep); }

/* Footer: the website has one; the app does not */
.foot { padding: 56px 0 40px; background: var(--sheet); border-top: 1px solid var(--line-2); font-size: 15px; }
.foot .wrap { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 32px; }
.foot h3 { font-size: 14px; font-weight: 650; margin-bottom: 12px; }
.foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.foot a { color: var(--ink-2); text-decoration: none; }
.foot a:hover { color: var(--accent-ink); text-decoration: underline; }
.foot .about p { color: var(--ink-2); margin-top: 14px; max-width: 34ch; }
.foot .legal { grid-column: 1 / -1; border-top: 1px solid var(--line-2); padding-top: 20px; color: var(--ink-3); font-size: 13px; display: flex; flex-wrap: wrap; gap: 8px 20px; }

/* Text pages (privacy, terms, security) */
.doc { padding: 64px 0 96px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(32px, 4vw, 48px); font-weight: 740; }
.doc .updated { color: var(--ink-3); font-size: 14px; margin: 10px 0 36px; }
.doc h2 { font-size: 22px; margin: 40px 0 12px; }
.doc p, .doc li { color: var(--ink-2); }
.doc li { margin-bottom: 6px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0 24px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line-2); vertical-align: top; }
.doc th { color: var(--ink); font-weight: 650; }

@media (max-width: 900px) {
  .top nav { display: none; }
  .feature { padding: 64px 0; }
  .feature .wrap, .feature.flip .wrap { grid-template-columns: 1fr; gap: 28px; }
  .feature.flip .copy { order: 0; }
  .foot .wrap { grid-template-columns: 1fr 1fr; }
  .foot .about { grid-column: 1 / -1; }
}
@media (max-width: 520px) { .top .cta .btn:not(.btn-primary) { display: none; } .hero { padding-top: 48px; } .top .wrap { gap: 10px; padding: 0 14px; } }
@media (max-width: 420px) { .top .cta .btn { padding: 0 12px; font-size: 13px; } .menu summary { padding: 0 11px; } .top .wordmark { font-size: 21px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

/* Small-screen menu: the product sections and Security stay reachable. */
.menu { display: none; position: relative; margin-left: auto; }
.menu summary { list-style: none; cursor: pointer; height: 38px; display: inline-flex; align-items: center; padding: 0 14px; border: 1px solid var(--field-line); border-radius: 999px; font-weight: 600; font-size: 14px; }
.menu summary::-webkit-details-marker { display: none; }
.menu[open] summary { background: var(--sheet-2); }
.menu nav { position: absolute; right: 0; top: 46px; min-width: 220px; display: grid; padding: 8px; background: var(--sheet); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 12px 28px rgba(0, 0, 0, .14); }
.menu nav a { padding: 10px 12px; border-radius: 6px; color: var(--ink); text-decoration: none; font-weight: 550; }
.menu nav a:hover { background: var(--sheet-2); }
@media (max-width: 900px) { .menu { display: block; } .top .cta { margin-left: 0; } }