/* ============================================================
   FERROLLAVES — Ferretería en San Vicente
   Estilos: mobile-first, pico CSS, rojo + blanco
   ============================================================ */

:root {
  --primary: #c62828;
  --primary-dark: #8b0000;
  --primary-light: #fdecea;
  --whatsapp: #25d366;
  --whatsapp-dark: #128c7e;
  --instagram-1: #f09433;
  --instagram-2: #e6683c;
  --instagram-3: #dc2743;
  --instagram-4: #cc2366;
  --instagram-5: #bc1888;
  --facebook: #1877f2;
  --facebook-dark: #166fe5;

  --bg: #ffffff;
  --bg-alt: #fafafa;
  --bg-dark: #1a1a1a;
  --text: #1a1a1a;
  --text-muted: #555555;
  --border: #e0e0e0;
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 6px 18px rgba(198, 40, 40, 0.18);

  --radius: 12px;
  --radius-sm: 8px;
  --container: 1100px;
  --gutter: 1.25rem;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Reset minimal ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 0.5em; line-height: 1.2; font-weight: 700; }

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--primary);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Container ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 3px solid var(--primary);
  box-shadow: var(--shadow);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem var(--gutter);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 0.5rem; }
.brand:hover, .brand:focus-visible { text-decoration: none; }
.brand-logo { width: 180px; height: auto; }
.header-cta { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.header-cta .btn { white-space: nowrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  cursor: pointer;
  text-align: center;
  min-height: 44px;
  line-height: 1.2;
}
.btn:hover, .btn:focus-visible { text-decoration: none; transform: translateY(-1px); }
.btn-lg { padding: 0.9rem 1.5rem; font-size: 1.05rem; }
.btn-block { width: 100%; }

.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }

.btn-secondary { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover, .btn-secondary:focus-visible { background: var(--primary-light); color: var(--primary-dark); }

.btn-outline { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover, .btn-outline:focus-visible { background: var(--primary); color: #fff; }

.btn-whatsapp { background: var(--whatsapp); color: #fff; border-color: var(--whatsapp); }
.btn-whatsapp:hover, .btn-whatsapp:focus-visible { background: var(--whatsapp-dark); border-color: var(--whatsapp-dark); color: #fff; }

.btn-instagram {
  background: linear-gradient(45deg, var(--instagram-1), var(--instagram-2), var(--instagram-3), var(--instagram-4), var(--instagram-5));
  color: #fff;
  border-color: transparent;
}
.btn-instagram:hover, .btn-instagram:focus-visible { filter: brightness(0.95); color: #fff; }

.btn-facebook { background: var(--facebook); color: #fff; border-color: var(--facebook); }
.btn-facebook:hover, .btn-facebook:focus-visible { background: var(--facebook-dark); border-color: var(--facebook-dark); color: #fff; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 3rem 0 3.5rem;
  text-align: center;
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.hero-title {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}
.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 600;
  margin: 0 0 1rem;
  opacity: 0.95;
}
.hero-sub {
  font-size: 1rem;
  margin: 0 0 1.75rem;
  opacity: 0.92;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}
.hero-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.hero .btn-secondary { background: transparent; color: #fff; border-color: #fff; }
.hero .btn-secondary:hover, .hero .btn-secondary:focus-visible { background: #fff; color: var(--primary-dark); }

/* ---------- Sections ---------- */
section { padding: 3rem 0; }
section:nth-of-type(even) { background: var(--bg-alt); }
.section-title {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  color: var(--primary);
  margin: 0 0 0.5rem;
  text-align: center;
}
.section-lead {
  text-align: center;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

/* ---------- About (comentada temporalmente) ----------
.about-text {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.05rem;
  color: var(--text);
}
---------- */
.branch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.branch-card {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 5px solid var(--primary);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.branch-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.branch-name { color: var(--primary); font-size: 1.25rem; margin: 0 0 0.75rem; }
.branch-address { color: var(--text); margin: 0 0 1rem; line-height: 1.65; }
.branch-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ---------- Contact grid ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-card:hover, .contact-card:focus-visible {
  text-decoration: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.contact-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.contact-label { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); font-weight: 600; }
.contact-value { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin: 0.25rem 0 0.75rem; word-break: break-word; }
.contact-value-sm { font-size: 1rem; }
.contact-cta { font-size: 0.85rem; color: var(--text-muted); margin-top: auto; }

/* ---------- Hours table ---------- */
.hours-table {
  max-width: 560px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.hours-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.hours-row:last-child { border-bottom: none; }
.hours-row-head {
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}
.hours-row-alt { color: var(--text-muted); }

/* ---------- Social cards ---------- */
.social-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.social-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.social-card:hover, .social-card:focus-visible {
  text-decoration: none;
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.social-facebook:hover, .social-facebook:focus-visible { border-color: var(--facebook); }
.social-instagram:hover, .social-instagram:focus-visible { border-color: var(--instagram-3); }
.social-whatsapp:hover, .social-whatsapp:focus-visible { border-color: var(--whatsapp); }

.social-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }
.social-name { font-size: 1.15rem; margin: 0 0 0.25rem; color: var(--text); }
.social-handle { font-size: 0.95rem; color: var(--text-muted); margin: 0 0 1rem; word-break: break-word; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-dark);
  color: #f0f0f0;
  padding: 2rem 0 1.5rem;
  text-align: center;
}
.footer-inner { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-brand { margin: 0; font-size: 1.05rem; }
.footer-brand strong { color: #fff; }
.footer-meta { margin: 0; font-size: 0.9rem; opacity: 0.85; }
.footer-locales {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  opacity: 0.75;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

/* ============================================================
   Responsive — tablet
   ============================================================ */
@media (min-width: 640px) {
  .branch-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .social-grid { grid-template-columns: repeat(3, 1fr); }
  .brand-logo { width: 220px; }
}

/* ============================================================
   Responsive — desktop
   ============================================================ */
@media (min-width: 960px) {
  :root { --gutter: 2rem; }
  section { padding: 4rem 0; }
  .hero { padding: 4rem 0 5rem; }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .social-grid { grid-template-columns: repeat(3, 1fr); }
  .header-inner { flex-wrap: nowrap; padding: 1rem var(--gutter); }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   Print
   ============================================================ */
@media print {
  .site-header, .site-footer, .header-cta, .hero-actions, .branch-actions, .skip-link { display: none; }
  body { color: #000; background: #fff; }
  .branch-card, .contact-card, .social-card, .hours-table { box-shadow: none; border: 1px solid #999; }
}