/* oversound — the sales site's shared look (2026-10-25, the owner's redesign:
   black and white, Apple-like; the wordmark is plain text "oversound").
   Every page: the bar, the buttons, a page's head, sections, the reading
   pages (privacy, terms) and the footer. The home page adds home.css;
   pricing and contact add pages.css. */

:root {
  --w: #f5f5f7; --ink: #1d1d1f; --g: #86868b; --g2: #a1a1a6; --g3: #6e6e73; --line: rgb(0 0 0 / .1);
  --blue: #0071e3; --blue-h: #0077ed; --link: #2997ff; --link-d: #0066cc;
  /* the main buttons: orange, neither bright nor dark (the owner, 2026-10-25) */
  --cta: #E8590C; --cta-h: #F0661A;
  --sans: "Inter Tight", "Inter", -apple-system, "SF Pro Display", system-ui, "Apple SD Gothic Neo", "PingFang SC", sans-serif;
  --text: "Inter", -apple-system, "SF Pro Text", system-ui, "Apple SD Gothic Neo", "PingFang SC", sans-serif;
  --hi: linear-gradient(90deg, #7cc4ff, #b69cff 50%, #ff9bd2);
  --wrap: 1080px;
  --gutter: clamp(16px, 4vw, 40px);
  /* one colour per language, wherever a language is shown */
  --c-en: #f5f5f7; --c-ko: #2997ff; --c-zh: #bf5af2; --c-es: #ff9f0a; --c-vi: #30d158; --c-ru: #64d2ff; --c-mn: #ff6ec7;
}
* { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 64px; }
html, body { overflow-x: clip; }
body { background: #fff; color: var(--ink); font: 17px/1.5 var(--text); -webkit-font-smoothing: antialiased; }
img, svg { display: block; }
a { color: inherit; }
button { font: inherit; }
:focus-visible { outline: 2.5px solid var(--link); outline-offset: 3px; border-radius: 6px; }
/* one content width everywhere — the bar, every section, the footer: --wrap wide, --gutter from the edge */
.wrap { width: min(calc(var(--wrap) + 2 * var(--gutter)), 100%); margin-inline: auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 14px; border-radius: 10px; background: var(--ink); color: #fff; text-decoration: none; }
.skip:focus { top: 12px; }
.grad, .num, .h1 em, .h2 em { background: var(--hi); -webkit-background-clip: text; background-clip: text; color: transparent; font-style: normal; }

/* ── the bar ── */
.nav { position: sticky; top: 0; z-index: 50; background: rgb(0 0 0 / .9); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid rgb(255 255 255 / .08); color: var(--w); }
.nav-in { display: flex; align-items: center; gap: 28px; height: 52px; width: min(calc(var(--wrap) + 2 * var(--gutter)), 100%); margin-inline: auto; padding-inline: var(--gutter); }
.wm { font: 650 21px/1 var(--sans); letter-spacing: -0.04em; color: inherit; text-decoration: none; }
.nav-links { display: flex; gap: 24px; margin-left: auto; font-size: 13px; }
.nav-links a { color: #d2d2d7; text-decoration: none; transition: color .2s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: #fff; }
.nav-cta { padding: 7px 14px; border-radius: 999px; background: var(--cta); color: #fff; font: 600 12.5px/1 var(--text); text-decoration: none; white-space: nowrap; }
.nav-cta:hover { background: var(--cta-h); }
.menu-btn { display: none; width: 40px; height: 40px; margin-left: auto; border: 0; background: none; color: inherit; cursor: pointer; }
.menu-btn span, .menu-btn span::before, .menu-btn span::after { display: block; width: 18px; height: 1.5px; margin: auto; background: currentColor; transition: transform .25s, opacity .25s; }
.menu-btn span { position: relative; }
.menu-btn span::before, .menu-btn span::after { content: ""; position: absolute; left: 0; }
.menu-btn span::before { top: -6px; } .menu-btn span::after { top: 6px; }
.nav.open { background: #000; }
.nav.open .menu-btn span { background: transparent; }
.nav.open .menu-btn span::before { transform: translateY(6px) rotate(45deg); }
.nav.open .menu-btn span::after { transform: translateY(-6px) rotate(-45deg); }
@media (max-width: 820px) {
  .menu-btn { display: block; }
  .nav-cta { order: 3; }
  .nav-links { position: absolute; left: 0; right: 0; top: 52px; flex-direction: column; gap: 0; margin: 0; height: calc(100svh - 52px); overflow-y: auto; padding: 8px var(--gutter) 20px; background: #000; font-size: 17px; display: none; }
  .nav-links a { padding: 13px 0; border-bottom: 1px solid rgb(255 255 255 / .08); }
  .nav.open .nav-links { display: flex; }
}

/* ── buttons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 46px; padding: 0 24px; border: 0; border-radius: 999px; font: 500 16px/1 var(--text); text-decoration: none; cursor: pointer; transition: background .2s, box-shadow .2s, transform .15s; white-space: nowrap; }
.btn:active { transform: scale(.97); }
.btn.blue, .btn-primary { background: var(--cta); color: #fff; font-weight: 600; }
.btn.blue:hover, .btn-primary:hover { background: var(--cta-h); }
.btn-white { background: var(--w); color: #000; } .btn-white:hover { background: #fff; }
.btn-line { background: transparent; color: inherit; box-shadow: inset 0 0 0 1.5px currentColor; }
.btn.link { height: auto; padding: 0 4px; color: var(--link); background: none; }
.btn.link::after { content: "\a0›"; }
.btn.link:hover { text-decoration: underline; }
.ctas { display: flex; gap: 14px; justify-content: center; align-items: center; flex-wrap: wrap; }

/* ── a page's head (pricing, contact, the reading pages) ── */
.page-head { padding: clamp(64px, 10vw, 120px) 0 clamp(56px, 8vw, 96px); background: #000; color: var(--w); text-align: center; }
.page-head .wrap { display: grid; justify-items: center; }
.eyebrow { font: 600 clamp(15px, 1.5vw, 19px)/1.2 var(--sans); color: var(--g2); letter-spacing: -0.01em; }
.h1 { margin-top: 10px; font: 700 clamp(40px, 6vw, 76px)/1.03 var(--sans); letter-spacing: -0.048em; text-wrap: balance; }
.h2 { margin-top: 10px; font: 700 clamp(34px, 5vw, 60px)/1.05 var(--sans); letter-spacing: -0.045em; text-wrap: balance; }
.lede { margin-top: 16px; max-width: 640px; font-size: clamp(17px, 1.6vw, 21px); color: var(--g3); text-wrap: pretty; }
.page-head .lede { color: var(--g2); }
.center { text-align: center; } .center .lede { margin-inline: auto; }

/* ── sections ── */
.section { padding-block: clamp(72px, 11vw, 140px); }
.section:has(> .wrap > .prose) { padding-top: clamp(44px, 6vw, 80px); }
.paper-2 { background: #f5f5f7; }
.band { background: #000; color: var(--w); }
.band .lede { color: var(--g2); }
.lang-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--c, var(--c-ko)); flex: none; }
/* English's colour is near-white: on a light background its dot needs an edge */
.lang-dot[style*="c-en"] { box-shadow: inset 0 0 0 1.5px var(--g); }
.soon { display: inline-block; margin-left: 6px; padding: 3px 8px; border-radius: 6px; background: #fff3e0; color: #b35c00; font: 650 11px/1.3 var(--text); letter-spacing: .04em; text-transform: uppercase; vertical-align: middle; }

/* ── the reading pages ── */
.prose { max-width: 760px; margin-inline: auto; font-size: 17px; color: #424245; }
.prose h2 { margin: 52px 0 12px; color: var(--ink); font: 680 26px/1.2 var(--sans); letter-spacing: -0.025em; }
.prose h3 { margin: 28px 0 8px; color: var(--ink); font: 650 19px/1.3 var(--sans); }
.prose p, .prose ul, .prose ol, .prose table { margin-top: 12px; }
.prose ul, .prose ol { padding-left: 22px; display: grid; gap: 6px; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a { color: var(--link-d); }
.prose table { width: 100%; border-collapse: collapse; font-size: 15.5px; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 12px; border-bottom: 1px solid var(--line); }
.prose th { color: var(--ink); font-weight: 600; }
.prose .summary { padding: 24px 26px; border-radius: 20px; background: #f5f5f7; color: var(--ink); }
.prose .summary ul { margin-top: 10px; }
.table-scroll { overflow-x: auto; }

/* ── the footer ── */
.footer { background: #f5f5f7; color: var(--g3); font-size: 13.5px; }
.foot-top { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 28px; padding-block: 44px 28px; border-bottom: 1px solid var(--line); }
.foot-top .wm { color: var(--ink); }
.foot-top p { margin-top: 10px; max-width: 300px; }
.foot-top h4 { font: 600 13px/1 var(--text); color: var(--ink); }
.foot-top ul { list-style: none; padding: 0; margin-top: 12px; display: grid; gap: 9px; }
.foot-top a { text-decoration: none; color: var(--g3); } .foot-top a:hover { color: var(--ink); text-decoration: underline; }
.foot-bottom { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-block: 18px 30px; }
@media (max-width: 760px) { .foot-top { grid-template-columns: 1fr 1fr; } .foot-top > div:first-child { grid-column: 1 / -1; } }

/* ── the lost page ── */
.lost { min-height: calc(100svh - 52px); display: grid; place-items: center; padding: 48px 16px; background: #000; color: var(--w); text-align: center; }
.lost .lede { margin-inline: auto; color: var(--g2); }
.lost .ctas { margin-top: 28px; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }