/* Palette mirrors web/src/style.css so the page feels like the app. */
:root {
  --bg: #ffffff;
  --fg: #1d1d1f;
  --muted: #6e6e73;
  --hairline: #e5e5ea;
  --pearl: #f5f5f7;
  --primary: #0066cc;
  --primary-fg: #ffffff;
  --shadow: 0 5px 30px 3px rgba(0, 0, 0, 0.18);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1d1f;
    --fg: #ffffff;
    --muted: #a1a1a6;
    --hairline: #3a3a3c;
    --pearl: #2a2a2c;
    --primary: #2997ff;
    --primary-fg: #0b1220;
    --shadow: 0 5px 30px 3px rgba(0, 0, 0, 0.55);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Pretendard Variable', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--pearl);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
pre { margin: 0; }
pre code { display: block; padding: 14px 16px; overflow-x: auto; background: transparent; font-size: 14px; }

.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); font-weight: 650; letter-spacing: -0.01em; }
.brand img { border-radius: 7px; }
.top-nav { display: flex; align-items: center; gap: 18px; font-size: 15px; }
.top-nav > a { color: var(--fg); opacity: 0.8; }
.top-nav > a:hover { opacity: 1; }
.lang { display: inline-flex; border: 1px solid var(--hairline); border-radius: 999px; padding: 2px; }
.lang button {
  border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 13px;
  padding: 4px 10px; border-radius: 999px; cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--fg); color: var(--bg); }

main { max-width: 1120px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 40px); }

.hero { text-align: center; padding: clamp(48px, 9vw, 96px) 0 24px; }
.eyebrow { margin: 0 0 12px; color: var(--primary); font-weight: 600; font-size: 14px; letter-spacing: 0.04em; text-transform: uppercase; }
h1 {
  margin: 0 auto;
  font-size: clamp(34px, 6.4vw, 76px); line-height: 1.06; letter-spacing: -0.03em; font-weight: 750;
}
/* Each line is a block that never wraps internally: breaks happen only where the copy puts them. */
h1 .line { display: block; white-space: nowrap; }
html[lang="ko"] h1 { letter-spacing: -0.02em; }
.lead {
  max-width: 60ch; margin: 22px auto 0; color: var(--muted); font-size: clamp(17px, 2vw, 21px);
  text-wrap: pretty;
}
html[lang="ko"] .lead, html[lang="ko"] .sub, html[lang="ko"] .note, html[lang="ko"] .not { word-break: keep-all; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 16px;
  border: 1px solid var(--hairline); color: var(--fg); background: var(--bg);
}
.btn:hover { text-decoration: none; border-color: var(--fg); }
.btn.primary { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }
.btn.primary:hover { filter: brightness(1.08); }
.fineprint { margin: 14px 0 0; color: var(--muted); font-size: 14px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

.frame {
  margin: 48px auto 0; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--hairline); background: var(--pearl); box-shadow: var(--shadow);
}
.frame-bar { display: flex; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--hairline); }
/* macOS traffic lights */
.frame-bar span { width: 10px; height: 10px; border-radius: 50%; }
.frame-bar span:nth-child(1) { background: #ff5f57; }
.frame-bar span:nth-child(2) { background: #febc2e; }
.frame-bar span:nth-child(3) { background: #28c840; }
.frame img { display: block; width: 100%; height: auto; }

.section { padding: clamp(56px, 8vw, 104px) 0 0; }
h2 { margin: 0; text-align: center; font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.02em; font-weight: 700; }
html[lang="ko"] h2 { word-break: keep-all; }
.sub { text-align: center; color: var(--muted); max-width: 60ch; margin: 12px auto 0; }

.tabs { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 28px; }
.tabs button {
  border: 1px solid var(--hairline); background: transparent; color: var(--muted);
  font: inherit; font-size: 15px; font-weight: 500; padding: 8px 16px; border-radius: 999px; cursor: pointer;
}
.tabs button[aria-selected="true"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }
#screens .frame { margin-top: 20px; }
.caption { text-align: center; color: var(--muted); font-size: 15px; margin: 14px auto 0; max-width: 64ch; min-height: 1.6em; }

.cmds { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); margin-top: 28px; }
.cmd { border: 1px solid var(--hairline); border-radius: 12px; background: var(--pearl); overflow: hidden; }
.cmd-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px 8px 16px; font-size: 13px; font-weight: 600; color: var(--muted);
  border-bottom: 1px solid var(--hairline);
}
.copy {
  border: 1px solid var(--hairline); background: var(--bg); color: var(--fg);
  font: inherit; font-size: 12px; padding: 3px 10px; border-radius: 999px; cursor: pointer;
}
.copy:hover { border-color: var(--fg); }
.note { margin: 22px auto 0; max-width: 70ch; text-align: center; color: var(--muted); }
.note strong { color: var(--fg); display: block; margin-bottom: 4px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); margin-top: 32px; }
.card { border: 1px solid var(--hairline); border-radius: 14px; padding: 22px 22px 18px; background: var(--pearl); }
.card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }
html[lang="ko"] .card p { word-break: keep-all; }
.not { margin: 28px auto 0; max-width: 70ch; text-align: center; color: var(--muted); }
.not strong { color: var(--fg); }

.foot {
  display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between;
  max-width: 1120px; margin: clamp(64px, 9vw, 112px) auto 0; padding: 24px clamp(16px, 4vw, 40px) 40px;
  border-top: 1px solid var(--hairline); color: var(--muted); font-size: 14px;
}

@media (max-width: 720px) {
  .top-nav > a:not([href^="https"]) { display: none; }
  .hero-shot { margin-top: 32px; }
}