/* Rosalena site. Palette: cyan / turquoise primary, platinum blonde, powder-blue frills, silver. */
:root {
  --bg: #0a2029;
  --bg-2: #102d38;
  --surface: #163b47;
  --surface-2: #1d4956;
  --line: rgba(205, 214, 221, 0.20);
  --line-strong: rgba(205, 214, 221, 0.38);
  --cyan: #4beef5;
  --turquoise: #23d3da;
  --teal: #139aa3;
  --powder: #c9ebf7;
  --platinum: #f4ecd9;
  --silver: #d0d6dd;
  --text: #effafc;
  --muted: #a9c2c9;
  --danger: #ffb4a8;
  --radius: 14px;
  --radius-sm: 9px;
  --max: 1120px;
  --font: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--powder); }
a:hover { color: var(--cyan); }
img, svg { max-width: 100%; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }

/* ---- header ---- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10, 32, 41, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 650; letter-spacing: -0.01em; }
.brand svg, .brand img { width: 26px; height: 26px; display: block; }
.site-header nav { display: flex; align-items: center; gap: 6px; }
.site-header nav a { color: var(--silver); text-decoration: none; font-size: 14px; padding: 8px 10px; border-radius: 8px; }
.site-header nav a:hover { color: var(--text); background: var(--surface); }
.site-header nav a.nav-cta { color: #031014; background: var(--cyan); font-weight: 600; }
.site-header nav a.nav-cta:hover { background: var(--powder); }
/* The second try button: present, clearly a button, and not competing with the free
   cloud one for the eye. It exists for the visitor who came for local models. */
.site-header nav a.nav-cta-ghost { color: var(--text); border: 1px solid var(--line-strong); font-weight: 600; }
.site-header nav a.nav-cta-ghost:hover { border-color: var(--platinum); background: var(--surface); }
@media (max-width: 560px) { .site-header nav a.hide-sm { display: none; } }
/* On a phone the two try buttons would push the brand off the bar; the hero below the
   header still carries both, so only the local one is dropped here. */
@media (max-width: 560px) { .site-header nav a.nav-cta-ghost { display: none; } }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px; border-radius: 10px;
  font: 600 15px/1 var(--font); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background .15s, border-color .15s, color .15s;
}
.btn-primary { background: var(--cyan); color: #031014; }
.btn-primary:hover { background: var(--powder); color: #031014; }
.btn-secondary { background: transparent; color: var(--platinum); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--platinum); color: var(--text); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }

/* ---- hero ---- */
.hero { position: relative; overflow: hidden; padding: 88px 0 40px; text-align: center; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto; height: 720px; pointer-events: none;
  background:
    radial-gradient(45% 50% at 50% 40%, rgba(46, 230, 238, 0.20), transparent 70%),
    radial-gradient(30% 35% at 70% 30%, rgba(185, 228, 242, 0.12), transparent 70%),
    radial-gradient(30% 35% at 30% 35%, rgba(239, 229, 204, 0.08), transparent 70%);
}
.hero .wrap { position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--silver); font-size: 13px; background: rgba(12, 38, 47, 0.6);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
h1 {
  margin: 22px auto 0; max-width: 820px;
  font-size: clamp(38px, 7vw, 68px); line-height: 1.04; letter-spacing: -0.035em; font-weight: 700;
  background: linear-gradient(180deg, var(--text) 30%, var(--platinum) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
h1 em { font-style: normal; background: linear-gradient(90deg, var(--cyan), var(--powder)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { margin: 20px auto 0; max-width: 660px; color: var(--muted); font-size: clamp(16px, 2.2vw, 19px); }
.hero-ctas { margin-top: 30px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 14px; color: var(--muted); font-size: 13px; }

/* the powder-blue frill under the hero */
.frill {
  height: 18px; margin-top: 56px; opacity: .55;
  background: radial-gradient(circle at 12px -4px, transparent 12px, var(--powder) 13px, var(--powder) 14px, transparent 15px) 0 0 / 24px 18px repeat-x;
}

/* ---- product window mock (mirrors the real harness UI) ---- */
.window {
  margin: 48px auto 0; max-width: 980px; text-align: left;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  box-shadow: 0 30px 80px rgba(0, 0, 0, .45), 0 0 0 1px rgba(46, 230, 238, .06), 0 0 60px rgba(46, 230, 238, .08);
  overflow: hidden;
}
.window-bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.window-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); display: inline-block; }
.window-bar span { margin-left: 8px; }
.window-body { display: grid; grid-template-columns: 220px 1fr; min-height: 340px; }
.win-side { border-right: 1px solid var(--line); padding: 14px; font-size: 13px; color: var(--muted); }
.win-side h3 { margin: 0 0 8px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--silver); font-weight: 600; }
.win-side ul { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 4px; }
.win-side li { padding: 6px 8px; border-radius: 7px; display: flex; justify-content: space-between; gap: 8px; }
.win-side li.on { background: var(--surface-2); color: var(--text); }
.tag { font-size: 11px; color: var(--powder); }
.win-main { display: grid; grid-template-rows: 1fr auto; }
.win-log { padding: 16px 18px; font: 13px/1.6 var(--mono); color: var(--silver); display: grid; gap: 10px; align-content: start; }
.win-log .you { color: var(--platinum); }
.win-log .tool { color: var(--muted); }
.win-log .route { color: var(--cyan); }
.win-composer { border-top: 1px solid var(--line); padding: 12px 14px; display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--muted); }
.win-composer .fake-input { flex: 1; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.win-composer .picker { border: 1px solid var(--line-strong); border-radius: 8px; padding: 8px 10px; color: var(--powder); white-space: nowrap; }
@media (max-width: 760px) {
  .window-body { grid-template-columns: 1fr; }
  .win-side { display: none; }
  .win-composer .picker { display: none; }
}

/* ---- sections ---- */
section { padding: 72px 0; }
section + section { border-top: 1px solid var(--line); }
.section-head { max-width: 680px; margin-bottom: 32px; }
h2 { font-size: clamp(28px, 4.4vw, 40px); line-height: 1.12; letter-spacing: -0.025em; margin: 0; }
.section-head p { color: var(--muted); margin: 12px 0 0; }
.kicker { color: var(--cyan); font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 10px; }

.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; background: linear-gradient(180deg, rgba(16, 49, 60, .55), rgba(8, 28, 35, .4)); }
.card h3 { margin: 0 0 6px; font-size: 17px; letter-spacing: -0.01em; color: var(--text); }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .icon { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; margin-bottom: 14px; background: rgba(46, 230, 238, .1); color: var(--cyan); border: 1px solid rgba(46, 230, 238, .25); }

/* free models table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--silver); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; font-weight: 600; background: var(--bg-2); }
tr:last-child td { border-bottom: 0; }
td small { color: var(--muted); display: block; }
.pill { display: inline-block; font-size: 12px; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--powder); white-space: nowrap; }
.pill.local { color: var(--platinum); }

/* ---- try it ---- */
.try { border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--bg-2); overflow: hidden; }
.try-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 14px; border-bottom: 1px solid var(--line); }
.try-bar label { font-size: 13px; color: var(--muted); }
select, textarea {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: 9px; padding: 10px 12px;
}
select { min-height: 44px; max-width: 100%; }
.progress { flex-basis: 100%; height: 6px; border-radius: 99px; background: var(--surface); overflow: hidden; display: none; }
.progress > span { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--teal), var(--cyan), var(--powder)); transition: width .2s; }
.status { flex-basis: 100%; font-size: 13px; color: var(--muted); min-height: 1.4em; }
.status.error { color: var(--danger); }
.chat { padding: 16px; min-height: 260px; max-height: 460px; overflow-y: auto; display: grid; gap: 12px; align-content: start; }
.msg { max-width: 85%; padding: 10px 14px; border-radius: 12px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 15px; }
.msg.user { justify-self: end; background: rgba(46, 230, 238, .14); border: 1px solid rgba(46, 230, 238, .3); }
.msg.bot { justify-self: start; background: var(--surface); border: 1px solid var(--line); }
.msg.note { justify-self: center; max-width: 100%; color: var(--muted); font-size: 13px; background: none; padding: 0; text-align: center; }
.composer { display: flex; gap: 10px; padding: 14px; border-top: 1px solid var(--line); align-items: flex-end; }
.composer textarea { flex: 1; resize: vertical; min-height: 46px; max-height: 200px; }
.fine { color: var(--muted); font-size: 13px; margin-top: 12px; }

/* ---- download page ---- */
.platforms { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.status-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.status-list li { display: flex; gap: 10px; align-items: baseline; }
.status-list .ok { color: var(--cyan); }
.status-list .todo { color: var(--silver); }

/* ---- footer ---- */
footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
footer a { color: var(--silver); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
@media (max-width: 560px) { .hero { padding-top: 56px; } section { padding: 56px 0; } }

/* ---- theme switch (header) ---- */
.theme-toggle {
  display: inline-grid; place-items: center; width: 36px; height: 36px; padding: 0;
  border: 1px solid var(--line-strong); border-radius: 9px; background: transparent;
  color: var(--silver); cursor: pointer;
}
.theme-toggle:hover { color: var(--text); background: var(--surface); }
.theme-toggle svg { width: 18px; height: 18px; display: block; }
.theme-toggle .sun { display: none; }
:root[data-theme="light"] .theme-toggle .sun { display: block; }
:root[data-theme="light"] .theme-toggle .moon { display: none; }

/* ---- light theme (2026-11-09): the same cyan, powder and platinum family on near-white, with a
   brighter, softer glow. Dark stays the default; theme.js applies a saved choice. ---- */
:root[data-theme="light"] {
  /* Soft, not paper-white: a grey-teal page, off-white panels, a calmer cyan. */
  --bg: #dce6e8;
  --bg-2: #d3dfe2;
  --surface: #e9eff0;
  --surface-2: #e1e9eb;
  --line: rgba(20, 60, 70, 0.16);
  --line-strong: rgba(20, 60, 70, 0.28);
  --cyan: #2fb1b8;
  --turquoise: #1f939a;
  --teal: #146f76;
  --powder: #1b6878;
  --platinum: #7d6330;
  --silver: #445c64;
  --text: #17323a;
  --muted: #4d646b;
  --danger: #b3261e;
  color-scheme: light;
}
:root[data-theme="light"] a:hover { color: var(--teal); }
:root[data-theme="light"] :focus-visible { outline-color: var(--teal); }
:root[data-theme="light"] .site-header { background: rgba(220, 230, 232, 0.88); }
:root[data-theme="light"] .site-header nav a.nav-cta:hover,
:root[data-theme="light"] .btn-primary:hover { background: #4cc3c9; color: #031014; }
:root[data-theme="light"] .hero::before {
  background:
    radial-gradient(45% 50% at 50% 40%, rgba(47, 177, 184, 0.16), transparent 70%),
    radial-gradient(30% 35% at 70% 30%, rgba(120, 180, 200, 0.16), transparent 70%),
    radial-gradient(30% 35% at 30% 35%, rgba(200, 180, 140, 0.14), transparent 70%);
}
:root[data-theme="light"] h1 { background-image: linear-gradient(180deg, var(--text) 40%, var(--teal) 100%); }
:root[data-theme="light"] .eyebrow { background: rgba(233, 239, 240, 0.8); }
:root[data-theme="light"] .eyebrow .dot { box-shadow: 0 0 8px rgba(47, 177, 184, 0.6); }
:root[data-theme="light"] .window {
  box-shadow: 0 30px 80px rgba(20, 50, 58, 0.16), 0 0 0 1px rgba(47, 177, 184, 0.12), 0 0 60px rgba(47, 177, 184, 0.12);
}
:root[data-theme="light"] .card {
  background: linear-gradient(180deg, #e9eff0, #e2eaec);
  box-shadow: 0 10px 30px rgba(20, 50, 58, 0.06);
}
:root[data-theme="light"] .card .icon { color: var(--teal); }
:root[data-theme="light"] .msg.user { background: rgba(18, 195, 204, 0.12); border-color: rgba(18, 195, 204, 0.35); }
/* The download page's own blocks. */
:root[data-theme="light"] .artifact { background: var(--surface); }
:root[data-theme="light"] .badge[data-status="available"] { color: var(--teal); border-color: rgba(11, 120, 128, 0.4); background: rgba(18, 195, 204, 0.1); }
:root[data-theme="light"] .badge[data-status="partial"] { border-color: rgba(138, 106, 36, 0.4); }
:root[data-theme="light"] .manifest-error { border-color: rgba(179, 38, 30, 0.35); background: rgba(179, 38, 30, 0.06); }

/* ---- language switch (header, next to the theme switch) and the Spanish hint (lang.js) ---- */
.site-header nav a.lang-switch {
  display: inline-flex; align-items: center; gap: 3px; height: 36px; padding: 0 9px;
  border: 1px solid var(--line-strong); border-radius: 9px; color: var(--muted);
  font: 600 12px/1 var(--font); letter-spacing: .04em;
}
.site-header nav a.lang-switch:hover { color: var(--text); background: var(--surface); }
.lang-switch .lang-on { color: var(--text); }
.lang-switch .lang-sep { opacity: .55; }
.lang-hint {
  display: flex; align-items: center; justify-content: center; gap: 10px; padding: 7px 16px;
  background: var(--surface); border-bottom: 1px solid var(--line); color: var(--text); font-size: 14px;
}
.lang-hint a { color: var(--cyan); font-weight: 600; }
.lang-hint-close { border: 0; background: transparent; color: var(--muted); font-size: 18px; line-height: 1; padding: 2px 6px; cursor: pointer; }
.lang-hint-close:hover { color: var(--text); }
/* On a phone the switch is one more control in the bar, so the plain Download link steps aside
   (every page has a download button or link below the header) and the rest stay on one line. */
@media (max-width: 420px) {
  .site-header nav { gap: 4px; }
  .site-header nav a { padding: 8px 8px; white-space: nowrap; }
  .site-header nav a[href$="/download/"]:not([class]) { display: none; }
}