/* Estilos comunes de las páginas de proyecto. Mismos tokens que la web principal. */
:root {
  --bg: #f5f3ee;
  --surface: #ffffff;
  --surface-2: #f1efe9;
  --text: #141416;
  --muted: #6b6a66;
  --border: #e6e3db;
  --accent: #ff5b2e;
  --accent-2: #ff8a5c;
  --accent-soft: rgba(255, 91, 46, .1);
  --gold: #b58d55;
  --ok: #16a34a;
  --ok-soft: rgba(22, 163, 74, .12);
  --warn: #d97706;
  --warn-soft: rgba(217, 119, 6, .12);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, .1);
  --info: #2563eb;
  --info-soft: rgba(37, 99, 235, .1);
  --glow: rgba(255, 91, 46, .16);
  --dots: rgba(20, 20, 22, .07);
  --code-bg: #16161a;
  --code-text: #e8e6e1;
  --radius: 24px;
  --shadow: 0 1px 2px rgba(20,20,22,.04), 0 12px 32px -12px rgba(20,20,22,.10);
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0b0d; --surface: #141417; --surface-2: #1d1d21; --text: #f3f1ec; --muted: #9a9893; --border: #26262b;
    --accent-soft: rgba(255, 91, 46, .14); --dots: rgba(255,255,255,.05); --code-bg: #0f0f12;
    --ok-soft: rgba(22,163,74,.18); --warn-soft: rgba(217,119,6,.18); --danger-soft: rgba(220,38,38,.16); --info-soft: rgba(37,99,235,.18);
    --shadow: 0 1px 0 rgba(255,255,255,.03) inset;
  }
}
:root[data-theme="dark"] {
  --bg: #0b0b0d; --surface: #141417; --surface-2: #1d1d21; --text: #f3f1ec; --muted: #9a9893; --border: #26262b;
  --accent-soft: rgba(255, 91, 46, .14); --dots: rgba(255,255,255,.05); --code-bg: #0f0f12;
  --ok-soft: rgba(22,163,74,.18); --warn-soft: rgba(217,119,6,.18); --danger-soft: rgba(220,38,38,.16); --info-soft: rgba(37,99,235,.18);
  --shadow: 0 1px 0 rgba(255,255,255,.03) inset;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
::selection { background: var(--accent); color: #fff; }
a { color: inherit; }
h1, h2, h3, h4, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 400px at 10% -5%, var(--glow), transparent 70%),
    radial-gradient(var(--dots) 1px, transparent 1px) 0 0 / 22px 22px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 80%);
          mask-image: linear-gradient(to bottom, #000, transparent 80%);
}

/* Barra superior */
.pbar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.pbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 64px; }
.back {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
  font-size: 14px; font-weight: 600; padding: 8px 14px; border-radius: 99px;
  border: 1px solid var(--border); background: var(--surface); transition: border-color .2s, transform .3s var(--ease);
}
.back:hover { border-color: var(--text); transform: translateX(-2px); }
.pbar__logo { width: 54px; height: 26px; color: var(--text); }
.icon-btn {
  width: 38px; height: 38px; display: grid; place-items: center; cursor: pointer;
  border-radius: 50%; border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.icon-btn .i-moon { display: none; }
:root[data-theme="dark"] .icon-btn .i-sun { display: none; }
:root[data-theme="dark"] .icon-btn .i-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-btn .i-sun { display: none; }
  :root:not([data-theme="light"]) .icon-btn .i-moon { display: block; }
}

/* Cabecera del proyecto */
.phero { padding: 56px 0 32px; display: grid; gap: 18px; }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.phero h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(44px, 7vw, 84px); line-height: .95; letter-spacing: -.02em; }
.phero h1 em { font-style: italic; color: var(--accent); }
.phero .lead { color: var(--muted); font-size: 18px; max-width: 64ch; }
.meta { display: flex; flex-wrap: wrap; gap: 10px 28px; padding-top: 6px; font-size: 14px; }
.meta div { display: grid; gap: 2px; }
.meta dt { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.meta dd { margin: 0; font-weight: 500; }
.demo-note {
  display: inline-flex; align-items: center; gap: 8px; width: fit-content;
  font-size: 13px; padding: 6px 12px; border-radius: 99px; background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
}

/* Bloques */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.section { padding-top: 64px; }
.section__title { font-family: var(--serif); font-weight: 400; font-size: clamp(32px, 4.5vw, 48px); line-height: 1; margin-bottom: 22px; letter-spacing: -.02em; }
.label { font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.muted { color: var(--muted); }
.grid { display: grid; gap: 16px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.step { display: grid; gap: 10px; align-content: start; }
.step__num {
  width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 14px;
}
.step h3 { font-size: 18px; }
.step p { color: var(--muted); font-size: 15px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips li, .chip { font-size: 12px; font-weight: 500; padding: 4px 11px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--border); }

/* Controles */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer;
  font-weight: 600; font-size: 14px; padding: 10px 18px; border-radius: 99px;
  background: var(--text); color: var(--bg); border: 1px solid var(--text);
  text-decoration: none; transition: transform .3s var(--ease), opacity .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--text); }
.btn--accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--sm { padding: 6px 12px; font-size: 13px; }
.input, .select, .textarea {
  width: 100%; padding: 10px 14px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border); outline: none; transition: border-color .2s, box-shadow .2s;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.field { display: grid; gap: 6px; font-size: 14px; font-weight: 500; }

.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 99px; background: var(--surface-2); }
.badge--ok { background: var(--ok-soft); color: var(--ok); }
.badge--warn { background: var(--warn-soft); color: var(--warn); }
.badge--danger { background: var(--danger-soft); color: var(--danger); }
.badge--info { background: var(--info-soft); color: var(--info); }
.badge--accent { background: var(--accent-soft); color: var(--accent); }

/* Tablas */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); background: var(--surface-2); }
tr:last-child td { border-bottom: 0; }

/* Código */
.code { background: var(--code-bg); color: var(--code-text); border-radius: 18px; overflow: hidden; border: 1px solid var(--border); }
.code__head { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; font-size: 13px; color: #9a9893; border-bottom: 1px solid rgba(255,255,255,.08); }
.code__dots { display: flex; gap: 6px; }
.code__dots i { width: 10px; height: 10px; border-radius: 50%; background: #3a3a40; }
.code pre { margin: 0; padding: 18px; overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 1.65; }
.code .k { color: #ff8a5c; } .code .s { color: #a5d6a7; } .code .c { color: #77756f; font-style: italic; } .code .f { color: #8ab4f8; } .code .n { color: #e2b86b; }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; z-index: 50;
  background: var(--text); color: var(--bg); padding: 12px 18px; border-radius: 14px; font-size: 14px; font-weight: 500;
  transition: opacity .3s, transform .3s var(--ease); pointer-events: none; max-width: calc(100vw - 32px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Pie */
.pfoot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 64px 0 40px; color: var(--muted); font-size: 14px; }
.pfoot a { text-decoration: none; font-weight: 600; color: var(--text); }
.pfoot a:hover { color: var(--accent); }

@media (max-width: 860px) {
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .card { padding: 20px; }
  .phero { padding-top: 36px; }
  .back span { display: none; }
}