/* ============================================================
   KORELABS — sistema de diseño del sitio de marketing
   Concepto: "ciclos del día a día". Un pomodoro se cuenta de a
   ciclos, un hábito se sostiene de a rachas, un rompecabezas se
   resuelve de a movidas. La marca usa ese ritmo circular como
   hilo conductor, con una paleta oscura inspirada en la yerba y
   el mate en vez del típico verde neón.

   Nota: este stylesheet es independiente del /styles.css de la
   raíz (que siguen usando las páginas de /privacy/*). No se
   comparten clases a propósito, para no romper esas páginas.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0D1410;
  --surface: #141C17;
  --surface-2: #1A2420;
  --line: #263029;
  --text: #F3F0E6;
  --text-muted: #93A395;
  --text-faint: #5E6D62;

  --brand: #D1A24B;       /* dorado mate/bombilla — acento de marca, uso comedido */
  --brand-dim: #8A733C;

  /* acento por producto (marketing), se pisa en cada página de app.
     Esto es una decisión de diseño de la web, no representa el color
     real de la app — ver comentarios en la sección de mini-UI. */
  --accent: #8FBF4F;
  --accent-dim: #5E8A34;
  --accent-soft: rgba(143, 191, 79, 0.14);

  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;

  --font-display: 'Fraunces', serif;
  --font-body: 'Sora', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --maxw: 1120px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

img, svg { display: block; max-width: 100%; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

/* subtle grain / gradient wash on the whole page */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(143,191,79,0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(209,162,75,0.06), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

/* ---------- eyebrow / package-name motif ---------- */
.pkg {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-faint);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.pkg::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 20, 16, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}
.wordmark span { color: var(--brand); }
.nav-links { display: flex; gap: 32px; align-items: center; font-size: 0.92rem; color: var(--text-muted); }
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  border: 1px solid var(--line);
  padding: 9px 18px;
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text) !important;
}
.nav-cta:hover { border-color: var(--accent); color: var(--accent) !important; }
.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 0.9rem; }
.back-link:hover { color: var(--text); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
  cursor: pointer;
  border: none;
}
.btn-primary { background: var(--accent); color: #0D1410; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px var(--accent-soft); }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- section rhythm ---------- */
section { position: relative; z-index: 1; padding: 96px 0; }
.section-head { max-width: 620px; margin-bottom: 56px; }
.section-head .pkg { margin-bottom: 18px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
.section-head p { color: var(--text-muted); margin-top: 14px; font-size: 1.05rem; max-width: 520px; }

/* ---------- hero (home) ---------- */
.hero { padding-top: 88px; padding-bottom: 60px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); line-height: 1.05; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero p.lede { color: var(--text-muted); font-size: 1.15rem; margin: 24px 0 34px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- the ring (signature element) ----------
   Un anillo que se completa: representa un ciclo — de pomodoro,
   de hábito, de partida — el mismo gesto que se repite en las
   tres apps. Aparece siempre incompleto y girando muy despacio:
   nunca "termina", como el día a día. Es un elemento de marca
   genérico (no representa ninguna app puntual), por eso usa el
   acento genérico de la web. */
.ring-wrap { position: relative; display: flex; align-items: center; justify-content: center; }
.ring {
  width: min(360px, 80vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(var(--accent) 0deg 265deg, var(--line) 265deg 360deg);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: spin 40s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.ring-inner {
  width: 82%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: spin 40s linear infinite reverse;
  text-align: center;
  padding: 20px;
}
.ring-inner strong { font-family: var(--font-display); font-size: 1.6rem; }
.ring-inner span { font-size: 0.8rem; color: var(--text-muted); margin-top: 6px; }

/* ---------- app cards (home grid) ---------- */
.apps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.app-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.app-card:hover { transform: translateY(-4px); border-color: var(--card-accent, var(--accent)); }
.app-card .cat { font-size: 0.78rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.app-card h3 { font-size: 1.35rem; margin-top: 4px; }
.app-card p { color: var(--text-muted); font-size: 0.92rem; flex-grow: 1; }
.app-card .pkg { font-size: 10.5px; }
.app-card-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 4px; }
.app-card-link { font-size: 0.85rem; font-weight: 600; color: var(--card-accent, var(--accent)); }
.mini-preview { height: 120px; border-radius: var(--radius-sm); background: var(--surface-2); display: flex; align-items: center; justify-content: center; overflow: hidden; }

/* Acento de marketing por card (borde, link) — decisión de marca de
   la web, independiente del color real de cada app (ver mini-UI abajo). */
.pomodoro-card { --card-accent: #E2735A; }
.habitos-card  { --card-accent: #8FBF4F; }
.lightsout-card{ --card-accent: #F2C94C; }

/* Fondo real de pantalla de cada app detrás de su mini-preview,
   para que el mockup no "mienta" sobre el fondo real de la app. */
.pomodoro-card .mini-preview,
.habitos-card .mini-preview { background: #09090B; }
.lightsout-card .mini-preview { background: #0D1117; }

/* ---------- phone mockup ---------- */
.phone {
  width: 232px;
  aspect-ratio: 9 / 18.5;
  background: linear-gradient(160deg, #1c2620, #0f1611);
  border-radius: 34px;
  border: 1px solid var(--line);
  padding: 10px;
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.6);
  position: relative;
}
.phone-notch {
  position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  width: 58px; height: 6px; border-radius: 100px; background: #0a0f0c; z-index: 2;
}
.phone-screen {
  width: 100%; height: 100%;
  background: var(--surface);
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
/* Fondo real de pantalla por app en las páginas de detalle
   (mismos colores que arriba, ver comentario). */
.phone-pomodoro .phone-screen,
.phone-habitos .phone-screen { background: #09090B; }
.phone-lightsout .phone-screen { background: #0D1117; }

/* ============================================================
   MINI-UI DE CADA APP DENTRO DEL MOCKUP — FIDELIDAD VISUAL
   ------------------------------------------------------------
   Estos colores están tomados directamente del código real de
   cada app (no son una elección de marketing), para no mostrar
   una app que se vea distinta a la que la gente se descarga:

   - Pomodoro / Mis Hábitos: comparten el theme oscuro del paquete
     `core` (apps/*/lib -> core/lib/theme/kore_colors.dart):
     fondo #09090B, superficie #18181B, acento teal #00F5D4,
     texto #FAFAFA.
   - Lights Out: apps/lightsout/lib/main.dart (fondo #0D1117) y
     apps/lightsout/lib/widgets/cell_widget.dart (celda encendida
     #F5C518, celda apagada #1E1E2E).
   ============================================================ */

/* pomodoro mini UI — real: acento teal #00F5D4, fondo #09090B */
.ui-pomodoro-ring {
  width: 118px; aspect-ratio: 1; border-radius: 50%;
  background: conic-gradient(#00F5D4 0deg 250deg, rgba(255,255,255,0.08) 250deg 360deg);
  display: flex; align-items: center; justify-content: center;
}
.ui-pomodoro-ring div {
  width: 82%; aspect-ratio: 1; border-radius: 50%; background: #09090B;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ui-pomodoro-ring strong { font-family: var(--font-mono); font-size: 1.05rem; color: #FAFAFA; }
.ui-pomodoro-ring span { font-size: 0.6rem; color: var(--text-muted); margin-top: 4px; }

/* habitos mini UI — real: mismo acento teal #00F5D4 del theme core
   (cada hábito puede tener un color propio elegido por el usuario
   dentro de la app; se usa el acento del theme por ser el único
   color garantizado/consistente) */
.ui-habitos { width: 84%; display: flex; flex-direction: column; gap: 9px; }
.ui-habit-row { display: flex; align-items: center; gap: 10px; }
.ui-habit-dot { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--text-faint); flex-shrink: 0; }
.ui-habit-row.done .ui-habit-dot { background: #00F5D4; border-color: #00F5D4; }
.ui-habit-bar { height: 9px; flex-grow: 1; border-radius: 100px; background: rgba(255,255,255,0.06); overflow: hidden; }
.ui-habit-bar div { height: 100%; background: #00F5D4; }

/* lights out mini UI — real: celda encendida #F5C518, celda
   apagada #1E1E2E (apps/lightsout/lib/widgets/cell_widget.dart) */
.ui-lightsout { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; width: 74%; }
.ui-lightsout div { aspect-ratio: 1; border-radius: 5px; background: #1E1E2E; }
.ui-lightsout div.on { background: #F5C518; box-shadow: 0 0 14px rgba(245,197,24,0.5); }

/* ---------- app detail hero ---------- */
.app-hero .wrap { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: center; }
.app-hero-phone { display: flex; justify-content: center; }
.app-hero .cat-tag {
  display: inline-block; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--accent-dim); padding: 6px 12px; border-radius: 100px;
  margin-bottom: 18px;
}
.app-hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.2rem); line-height: 1.08; }
.app-hero p.lede { color: var(--text-muted); font-size: 1.08rem; margin: 20px 0 30px; max-width: 480px; }

/* ---------- features ---------- */
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; display: flex; gap: 16px;
}
.feature-num { font-family: var(--font-mono); color: var(--accent); font-size: 0.85rem; flex-shrink: 0; padding-top: 3px; }
.feature h4 { font-size: 1.05rem; margin-bottom: 6px; }
.feature p { color: var(--text-muted); font-size: 0.9rem; }

/* ---------- quote / about strip ---------- */
.about-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.about-strip .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-strip p.big { font-family: var(--font-display); font-size: clamp(1.3rem, 2.6vw, 1.8rem); line-height: 1.35; }
.stat-row { display: flex; gap: 40px; margin-top: 28px; }
.stat strong { font-family: var(--font-display); font-size: 2rem; display: block; color: var(--brand); }
.stat span { font-size: 0.82rem; color: var(--text-muted); }

/* ---------- footer ---------- */
footer { padding: 56px 0 40px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 32px; padding-bottom: 36px; border-bottom: 1px solid var(--line); }
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col h5 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); margin-bottom: 14px; }
.footer-col a { display: block; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 10px; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; font-size: 0.82rem; color: var(--text-faint); flex-wrap: wrap; gap: 12px; }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- custom dev / contacto (index.html) ---------- */
.custom-dev .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.custom-list { display: flex; flex-direction: column; gap: 18px; margin-top: 26px; }
.custom-list-item { display: flex; gap: 14px; align-items: flex-start; }
.custom-list-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); margin-top: 8px; flex-shrink: 0; }
.custom-list-item p { color: var(--text-muted); font-size: 0.95rem; }
.custom-list-item strong { color: var(--text); }

#contacto .wrap { text-align: center; max-width: 640px; }
#contacto .contact-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }
#contacto p.lede { margin-left: auto; margin-right: auto; }

/* ---------- catálogo por categoría (apps.html) ---------- */
.category-block { margin-bottom: 72px; }
.category-block:last-child { margin-bottom: 0; }
.category-label {
  display: flex; align-items: baseline; gap: 14px;
  font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-muted); padding-bottom: 16px; margin-bottom: 30px; border-bottom: 1px solid var(--line);
}
.category-label .count { color: var(--text-faint); font-size: 0.78rem; }

/* ---------- lista de descarga (descargar.html) ---------- */
.dl-header { padding: 64px 0 40px; text-align: center; }
.dl-header .wordmark { justify-content: center; display: flex; margin-bottom: 22px; }
.dl-header p { color: var(--text-muted); max-width: 420px; margin: 14px auto 0; }
.dl-list { display: flex; flex-direction: column; gap: 14px; }
.dl-row {
  display: flex; align-items: center; gap: 18px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px;
}
.dl-icon {
  width: 56px; height: 56px; border-radius: 15px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; background: var(--surface-2); color: var(--row-accent, var(--accent));
  border: 1px solid var(--line);
}
.dl-info { flex-grow: 1; min-width: 0; }
.dl-info h3 { font-size: 1rem; }
.dl-info p { color: var(--text-muted); font-size: 0.84rem; margin-top: 3px; }
.dl-row .btn { flex-shrink: 0; padding: 11px 20px; font-size: 0.86rem; }
.dl-row.pomodoro   { --row-accent: #E2735A; }
.dl-row.habitos    { --row-accent: #8FBF4F; }
.dl-row.lightsout  { --row-accent: #F2C94C; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero-grid, .app-hero .wrap, .about-strip .wrap, .custom-dev .wrap { grid-template-columns: 1fr; }
  .app-hero-phone, .hero .ring-wrap { order: -1; }
  .apps-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .stat-row { gap: 28px; }
  .dl-row { flex-wrap: wrap; }
  .dl-row .btn { width: 100%; justify-content: center; }
}