/* File: assets/css/styles.css
   Pala Cuadrada — Base UI (Light/Dark), grid, nav, hero, cards, forms
   Colores de marca: negro, naranja (#FF6A00), blanco
*/

/* =============== Variables globales =============== */
:root {
  color-scheme: light dark;

  /* Paleta */
  --brand: #ff6a00;
  --bg: #ffffff;
  --text: #0b0b0c;
  --muted: #6b7280;
  --card: #f5f6f8;
  --border: #e5e7eb;
  --link: #0b0b0c;
  --link-hover: #000000;

  /* Estados */
  --focus: #2563eb;
  --success: #17a34a;
  --warning: #f59e0b;
  --danger: #dc2626;

  /* Tipografía y layout */
  --radius-sm: .5rem;
  --radius: .8rem;
  --radius-lg: 1rem;
  --shadow: 0 .5px 1px rgba(0,0,0,.05), 0 2px 8px rgba(0,0,0,.06);
  --container: 1200px;
  --gap: 1rem;
  --transition: 160ms ease;

  /* Botones */
  --btn-bg: var(--brand);
  --btn-text: #fff;
  --btn-bg-secondary: var(--card);
  --btn-text-secondary: var(--text);
}

:root.dark {
  --bg: #0b0b0c;
  --text: #f4f6f8;
  --muted: #a1a7ae;
  --card: #141518;
  --border: #22242a;
  --link: #f4f6f8;
  --link-hover: #ffffff;
  --shadow: 0 .5px 1px rgba(0,0,0,.25), 0 4px 16px rgba(0,0,0,.28);

  --btn-bg-secondary: #1a1c21;
}

/* =============== Reset + Base ===================== */
* { box-sizing: border-box; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); }
::selection { background: color-mix(in oklab, var(--brand) 25%, transparent); }

/* Accesibilidad */
:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--focus) 70%, transparent);
  outline-offset: 2px;
  border-radius: calc(var(--radius) / 2);
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Contenedor y utilidades */
.container { max-width: var(--container); margin: 0 auto; padding: 0 1rem; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* =============== Grid 12 cols (utilidades generales) ============== */
.grid { display: grid; gap: var(--gap); }
.grid-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); align-items: start; }
.span-12, .span-9, .span-8, .span-6, .span-4, .span-3 { min-width: 0; }
.span-12 { grid-column: 1 / -1; }
.span-9  { grid-column: span 9 / span 9; }
.span-8  { grid-column: span 8 / span 8; }
.span-6  { grid-column: span 6 / span 6; }
.span-4  { grid-column: span 4 / span 4; }
.span-3  { grid-column: span 3 / span 3; }
@media (max-width: 860px) {
  .span-9, .span-8, .span-6, .span-4, .span-3 { grid-column: 1 / -1; }
}

/* =============== Header / Navbar ================== */
.header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(10px);
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}
:root.dark .header {
  background: color-mix(in oklab, var(--bg) 80%, transparent);
}

.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .75rem 0; }
.logo { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; letter-spacing: .2px; color: var(--text); }
.logo-mark { width: 28px; height: 28px; display: grid; place-items: center; border-radius: .45rem; background: var(--brand); color: #fff; font-weight: 900; box-shadow: var(--shadow); }

.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-links a { font-weight: 600; padding: .42rem .6rem; border-radius: var(--radius-sm); transition: background var(--transition), color var(--transition); }
.nav-links a:hover, .nav-links a[aria-current="page"] { background: var(--card); }
.nav-actions { display: flex; align-items: center; gap: .5rem; }

button.icon, a.icon {
  appearance: none; border: 1px solid var(--border);
  background: var(--card); color: var(--text);
  border-radius: .6rem; padding: .45rem .6rem;
  cursor: pointer; transition: transform var(--transition), background var(--transition);
}
button.icon:hover, a.icon:hover { transform: translateY(-1px); }

/* Menú móvil */
.burger { display: none; }
@media (max-width: 860px) {
  .nav-links { display: none; }
  .burger { display: inline-flex; }
  #mobile-menu .card { margin: .5rem 0 0; }
}

/* =============== Hero ============================= */
.hero { padding: 5rem 0 3rem; display: grid; gap: 1.4rem; }
.hero h1 {
  margin: 0; line-height: 1.08;
  font-size: clamp(2rem, 4vw, 3.15rem);
  letter-spacing: -.4px;
}
.hero p { color: var(--muted); margin: 0; font-size: clamp(1rem, 2vw, 1.125rem); }

.badge {
  width: max-content;
  background: color-mix(in oklab, var(--brand) 18%, var(--card));
  color: var(--brand);
  padding: .28rem .6rem; border-radius: .6rem; font-weight: 800; font-size: .78rem;
}

/* =============== Cards ============================ */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow);
}

/* =============== Botones ========================== */
.cta, .btn {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--btn-bg); color: var(--btn-text);
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: .8rem 1.1rem; font-weight: 800; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  text-decoration: none;
}
.cta:hover, .btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.cta:active, .btn:active { transform: translateY(0); opacity: .95; }
.secondary { background: var(--btn-bg-secondary); color: var(--btn-text-secondary); border: 1px solid var(--border); }

/* =============== Formularios ====================== */
input, textarea, select {
  width: 100%;
  padding: .75rem .8rem;
  border: 1px solid var(--border);
  border-radius: .65rem;
  background: var(--bg);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
input::placeholder, textarea::placeholder { color: color-mix(in oklab, var(--muted) 85%, transparent); }
input:focus-visible, textarea:focus-visible, select:focus-visible {
  border-color: color-mix(in oklab, var(--focus) 45%, var(--border));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--focus) 20%, transparent);
  outline: none;
}

/* =============== Tablas =========================== */
.table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.table th, .table td { padding: .75rem .8rem; border-bottom: 1px solid var(--border); }
.table tr:hover { background: color-mix(in oklab, var(--card) 85%, transparent); }

/* =============== Footer =========================== */
.footer {
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--muted);
  font-size: .95rem;
}

/* =============== Helpers ========================== */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: .25rem !important; }
.mt-2 { margin-top: .5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: .25rem !important; }
.mb-2 { margin-bottom: .5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.text-center { text-align: center !important; }

/* ===== Carousel Pro ===== */
.carousel { position: relative; border:1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--card); box-shadow: var(--shadow); overflow: hidden; }
.carousel-track { display:flex; transition: transform 420ms cubic-bezier(.22,.61,.36,1); will-change: transform; }
.carousel-slide { min-width:100%; aspect-ratio:16/9; position:relative; }
.carousel-slide img { width:100%; height:100%; object-fit:cover; display:block; }
.carousel-slide .shade { position:absolute; inset:0;
  background: linear-gradient(to top, color-mix(in oklab, var(--bg) 82%, transparent) 0%, transparent 55%); pointer-events:none; }
:root.dark .carousel-slide .shade { background: linear-gradient(to top, rgba(0,0,0,.55) 0%, transparent 55%); }
.carousel-caption { position:absolute; left:1rem; bottom:1rem; display:flex; gap:.5rem; flex-wrap:wrap; }
.carousel-caption .badge { background: color-mix(in oklab, var(--brand) 18%, var(--card)); color: var(--brand); font-weight:800; }
.carousel-nav button { position:absolute; top:50%; transform:translateY(-50%); z-index:2;
  width:44px; height:44px; border-radius:999px; border:1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 80%, transparent); box-shadow: var(--shadow);
  font-size:24px; line-height:1; display:grid; place-items:center; cursor:pointer; }
.carousel-nav .prev { left:.75rem; } .carousel-nav .next { right:.75rem; }
.carousel-nav button:hover { transform:translateY(-50%) translateY(-1px); }
.carousel-dots { position:absolute; left:50%; transform:translateX(-50%); bottom:.5rem; z-index:2;
  display:flex; gap:.4rem; padding:.25rem .45rem; border-radius:999px;
  background: color-mix(in oklab, var(--bg) 70%, transparent); border:1px solid var(--border); }
.carousel-dot { width:8px; height:8px; border-radius:999px;
  background: color-mix(in oklab, var(--text) 30%, transparent); opacity:.55; border:none; cursor:pointer; }
.carousel-dot[aria-current="true"] { background: var(--brand); opacity:1; width:18px; }

/* ===== Services layout helper (si se usa) ===== */
.svc-items { gap: 1rem; }
.svc-items .svc-item { grid-column: 1 / -1; }
@media (min-width: 860px) {
  .svc-items .svc-item { grid-column: span 6; }
}

/* ===== Projects: filtros + grilla ===== */
.prj-filters { display:grid; gap:.75rem; align-items:end; }
.prj-filters .prj-field label { font-weight:600; font-size:.95rem; display:block; margin-bottom:.35rem; }
.prj-filters .prj-actions { display:flex; gap:.5rem; align-items:center; flex-wrap:wrap; }
.prj-filters .prj-actions .btn { height: 42px; display:inline-flex; align-items:center; }
.prj-filters .chk { display:flex; align-items:center; gap:.4rem; font-weight:600; }

@media (min-width: 900px) {
  /* search | year | actions */
  .prj-filters { grid-template-columns: 1fr 160px auto; }
}

.prj-grid { display:grid; gap: var(--gap); grid-template-columns: 1fr; }
@media (min-width: 680px)  { .prj-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .prj-grid { grid-template-columns: repeat(3, 1fr); } }

/* ==== LOGO dual por tema (claro/oscuro) ==== */
:root { --logo-h: 40px; }               /* altura del logo en desktop */
@media (max-width: 768px) {
  :root { --logo-h: 32px; }             /* altura en móviles */
}

.logo { display:inline-flex; align-items:center; gap:.5rem; text-decoration:none; line-height:1; }
.logo-img { 
  height: var(--logo-h) !important;     /* <-- aquí controlas el tamaño */
  width: auto !important;
  max-width: none !important;           /* evita que reglas globales lo encojan */
}

/* Mostrar solo un logo según tema */
.logo .logo--dark { display:none !important; }
html.dark .logo .logo--light { display:none !important; }
html.dark .logo .logo--dark  { display:inline-block !important; }

/* Fallback si el SO está en oscuro y aún no se aplicó .dark */
@media (prefers-color-scheme: dark) {
  html:not(.dark) .logo .logo--light { display:none !important; }
  html:not(.dark) .logo .logo--dark  { display:inline-block !important; }
}

/* Accesibilidad */
.sr-only {
  position:absolute !important; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}