/* ==========================================================================
   Rowland — Design System
   Escuela náutica + entrenamiento de remo a domicilio + tienda deportiva
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,wght@0,500;0,600;0,700;0,800;1,500&family=Alex+Brush&family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  /* Color — verde inglés (British racing green), como en el isologo */
  --verde-regata: #0B4228;   /* marca, header, botones */
  --verde-regata-oscuro: #052A19;
  --verde-casco: #071810;    /* texto, secciones oscuras */
  --verde-musgo: #5E7D60;    /* acentos secundarios, bordes */
  --espuma: #F4F5F0;         /* fondo general */
  --casco-blanco: #FFFFFF;   /* superficies de tarjeta */
  --laton: #1E7A4C;          /* CTA, fondos activos — verde inglés más claro */
  --laton-oscuro: #141414;   /* precios, texto de acento, hover — negro */
  --linea: rgba(7, 24, 16, 0.12);

  /* Tipografía */
  --f-display: "Fraunces", serif;
  --f-script: "Alex Brush", cursive;
  --f-body: "Public Sans", sans-serif;
  --f-ui: "Public Sans", sans-serif;
  --f-mono: "IBM Plex Mono", monospace;

  /* Layout */
  --container: 1180px;
  --radius: 4px;
  --shadow-card: 0 1px 2px rgba(7, 24, 16, 0.06), 0 8px 24px rgba(7, 24, 16, 0.06);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--f-body);
  background: var(--espuma);
  color: var(--verde-casco);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 700; line-height: 1.05; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--verde-musgo);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-ui);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--verde-regata);
}
.eyebrow::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--laton);
}
.section-dark .eyebrow { color: var(--espuma); }
.section-dark .eyebrow::before { background: var(--espuma); }

/* Type scale */
.h-display { font-size: clamp(2.75rem, 6vw, 5rem); }
.h-xl { font-size: clamp(2.25rem, 4.2vw, 3.4rem); }
.h-lg { font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
.h-md { font-size: clamp(1.2rem, 1.6vw, 1.5rem); }
.lede { font-size: clamp(1.05rem, 1.4vw, 1.25rem); color: var(--verde-regata-oscuro); max-width: 56ch; }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--espuma);
  border-bottom: 1px solid var(--linea);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  font-family: var(--f-script);
  font-size: 2.1rem;
  font-weight: 400;
  color: var(--verde-casco);
  line-height: 1;
}
.brand-logo {
  height: 52px;
  width: 52px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  position: relative;
  font-family: var(--f-ui);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.01em;
  color: var(--verde-regata-oscuro);
  padding: 8px 0;
}
.nav-links a:hover { color: var(--verde-casco); }
.nav-links a.active { color: var(--verde-casco); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 20' preserveAspectRatio='none'%3E%3Cpath d='M0 16 Q 8 16 14 4 Q 18 -2 24 10 Q 28 18 100 18' fill='none' stroke='%231E7A4C' stroke-width='4'/%3E%3C/svg%3E") repeat-x;
  background-size: 60px 3px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.nav-admin-btn { padding: 13px 18px; font-size: 0.8rem; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--verde-casco);
  margin: 5px 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius);
  font-family: var(--f-ui);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--laton); color: var(--casco-blanco); }
.btn-primary:hover { background: var(--laton-oscuro); }
.btn-outline { background: transparent; color: var(--verde-casco); border-color: var(--verde-casco); }
.btn-outline:hover { border-color: var(--laton); color: var(--laton-oscuro); }
.btn-ghost { background: transparent; color: var(--espuma); border-color: rgba(243,244,239,0.4); }
.btn-ghost:hover { border-color: var(--casco-blanco); color: var(--casco-blanco); background: rgba(243,244,239,0.08); }

/* En fondos oscuros, el negro pierde contraste — el CTA principal pasa a blanco */
.section-dark .btn-primary,
.section-brand .btn-primary {
  background: var(--casco-blanco);
  color: var(--verde-casco);
}
.section-dark .btn-primary:hover,
.section-brand .btn-primary:hover {
  background: var(--espuma);
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-dark { background: var(--verde-casco); color: var(--espuma); }
.section-dark .lede { color: rgba(243,244,239,0.75); }
.section-brand { background: var(--verde-regata); color: var(--espuma); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Cards / Grids
   ========================================================================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.card {
  background: var(--casco-blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

/* Fotos de hero (index, escuela náutica, entrenamiento en casa) */
.hero-photo-wrap {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--verde-musgo);
}
.hero-photo { width: 100%; height: 100%; object-fit: cover; }
.hero-photo-wrap:has(.hero-photo[hidden]) { display: none; }
@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-grid .hero-photo-wrap { order: -1; }
}

.pillar-card {
  background: var(--casco-blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.pillar-card:hover { border-color: var(--verde-musgo); transform: translateY(-2px); }
.pillar-photo { aspect-ratio: 16 / 10; background: var(--verde-musgo); }
.pillar-photo:has(img[hidden]) { display: none; }
.pillar-photo img { width: 100%; height: 100%; object-fit: cover; }
.pillar-body { padding: 28px 32px 32px; display: flex; flex-direction: column; gap: 16px; flex: 1; }
.pillar-card .num { font-family: var(--f-ui); font-weight: 600; font-size: 0.82rem; color: var(--laton-oscuro); }
.pillar-card h3 { font-size: 1.5rem; }
.pillar-card p { color: var(--verde-regata-oscuro); }
.link { font-family: var(--f-ui); font-weight: 600; font-size: 0.85rem; color: var(--verde-regata); }
.link:hover { color: var(--laton-oscuro); }
.pillar-card .link { margin-top: auto; color: var(--verde-casco); }

/* ==========================================================================
   Galería
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 180px;
  gap: 12px;
}
.gallery-grid a {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
}
.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}
.gallery-grid a:hover img { transform: scale(1.04); }
.gallery-grid a:nth-child(6n+1) { grid-column: span 2; grid-row: span 2; }
.gallery-grid a:nth-child(6n+4) { grid-column: span 2; }

@media (max-width: 960px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .gallery-grid a:nth-child(6n+1) { grid-column: span 2; grid-row: span 1; }
}
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-grid a:nth-child(6n+1), .gallery-grid a:nth-child(6n+4) { grid-column: span 1; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--verde-casco);
  color: rgba(243, 244, 239, 0.85);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(243,244,239,0.14);
}
.footer-grid h4 {
  font-family: var(--f-ui);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--laton);
  margin-bottom: 16px;
  font-weight: 700;
}
.footer-grid a, .footer-grid li { color: rgba(243,244,239,0.7); font-size: 0.92rem; }
.footer-grid li + li { margin-top: 10px; }
.footer-grid a:hover { color: var(--espuma); }
.social-links { display: flex; gap: 10px; flex-wrap: wrap; }
.social-links a {
  font-family: var(--f-ui);
  font-weight: 600;
  font-size: 0.78rem;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(243,244,239,0.3);
  color: rgba(243,244,239,0.85);
}
.social-links a:hover { border-color: var(--laton); color: var(--espuma); }
.social-links:has(a[hidden]):not(:has(a:not([hidden]))) { display: none; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--f-ui);
  font-size: 0.8rem;
  color: rgba(243,244,239,0.5);
  flex-wrap: wrap;
  gap: 8px;
}

/* ==========================================================================
   Tabs (disciplinas / categorías de tienda)
   ========================================================================== */
.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--linea);
  margin-bottom: 40px;
}
.tab {
  background: none;
  border: none;
  padding: 14px 4px;
  margin-right: 28px;
  font-family: var(--f-ui);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--verde-musgo);
  border-bottom: 3px solid transparent;
  position: relative;
  top: 1px;
}
.tab:hover { color: var(--verde-casco); }
.tab.is-active { color: var(--verde-casco); border-bottom-color: var(--laton); }

/* ==========================================================================
   Data readout (entrenamiento a domicilio)
   ========================================================================== */
.readout {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.readout .stat { display: flex; flex-direction: column; gap: 4px; }
.readout .stat .val { font-family: var(--f-mono); font-size: 2.6rem; color: var(--laton); font-weight: 500; line-height: 1; }
.readout .stat .label { font-family: var(--f-ui); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--verde-musgo); }

/* ==========================================================================
   Product grid (tienda)
   ========================================================================== */
.product-card {
  background: var(--casco-blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.product-card:hover { border-color: var(--verde-musgo); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.product-thumb {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-gimnasio { background: rgba(94, 125, 96, 0.14); }
.thumb-ropa { background: rgba(30, 122, 76, 0.14); }
.thumb-nautica { background: rgba(11, 66, 40, 0.10); }
.product-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 6px; }
.product-cat { font-family: var(--f-ui); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--verde-musgo); }
.product-name { font-family: var(--f-display); font-size: 1.15rem; font-weight: 600; }
.product-price { font-family: var(--f-ui); font-weight: 700; color: var(--laton-oscuro); font-size: 0.98rem; margin-top: 6px; }

/* Página de detalle de producto */
.producto-detalle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.producto-detalle-main {
  aspect-ratio: 1 / 1;
  background: var(--espuma);
  border-radius: var(--radius);
  overflow: hidden;
}
.producto-detalle-img { width: 100%; height: 100%; object-fit: cover; }
.producto-detalle-thumbs { display: flex; gap: 10px; padding-top: 14px; overflow-x: auto; }
.product-modal-thumb {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  background: none;
}
.product-modal-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-modal-thumb.is-active { border-color: var(--laton); }
.producto-detalle-info { padding-top: 8px; }
.producto-detalle-nombre { font-size: clamp(1.8rem, 3vw, 2.6rem); }
.producto-detalle-precio {
  display: block;
  font-family: var(--f-ui);
  font-weight: 700;
  font-size: 1.7rem;
  color: var(--laton-oscuro);
  margin-top: 14px;
}
.producto-detalle-desc { font-size: 1.05rem; line-height: 1.7; max-width: 48ch; white-space: pre-line; }
.producto-detalle-whatsapp { max-width: 380px; }

@media (max-width: 760px) {
  .producto-detalle { grid-template-columns: 1fr; gap: 28px; }
}

/* ==========================================================================
   Forms
   ========================================================================== */
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field label { font-family: var(--f-ui); font-weight: 600; font-size: 0.85rem; color: var(--verde-regata-oscuro); }
.field input, .field textarea, .field select {
  font-family: var(--f-body);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  background: var(--casco-blanco);
  color: var(--verde-casco);
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--verde-musgo);
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }
.text-muted { color: var(--verde-regata-oscuro); }
.badge {
  display: inline-block;
  font-family: var(--f-ui);
  font-weight: 600;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(30, 122, 76, 0.14);
  color: var(--laton-oscuro);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-admin-btn { display: none; }
}

@media (max-width: 760px) {
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .section { padding: 64px 0; }
  .readout { gap: 28px; }
}

@media (max-width: 600px) {
  .tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { white-space: nowrap; margin-right: 20px; }
}

/* Mobile nav panel */
.nav-links.is-open {
  display: flex;
  position: absolute;
  top: 76px;
  left: 0;
  right: 0;
  background: var(--espuma);
  border-bottom: 1px solid var(--linea);
  flex-direction: column;
  align-items: flex-start;
  padding: 8px 24px 24px;
  gap: 4px;
}