/* Santa Madera — Design System v3.0 | santamadera.com.ar | Mobile-First 2026 */

/* ─────────────────────────────────────────
   Custom Properties
───────────────────────────────────────── */
:root {
  /* Palette */
  --bg:          #FAFAF8;
  --bg-warm:     #F0EDE7;
  --bg-white:    #FFFFFF;
  --bg-dark:     #181816;
  --primary:     #1A1A18;
  --accent:      #A8784A;
  --accent-lt:   #C4956A;
  --muted:       #787370;
  --muted-lt:    #AAA7A3;
  --border:      #E6E2DA;
  --border-dk:   #C5C0B8;
  --sage:        #5B7B5D;

  /* Typography */
  --fh: 'Cormorant Garamond', Georgia, serif;
  --fb: 'DM Sans', system-ui, -apple-system, sans-serif;

  /* Fluid spacing */
  --gutter:     clamp(1.25rem, 5vw, 2.5rem);
  --section-py: clamp(3.5rem, 8vw, 6.5rem);
  --gap-sm:     clamp(.75rem, 2vw, 1.25rem);
  --gap-md:     clamp(1.5rem, 4vw, 2.5rem);
}

/* ─────────────────────────────────────────
   Reset & Base
───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font: 300 1rem/1.9 var(--fb);
  color: var(--primary);
  background: var(--bg);
  letter-spacing: .012em;
}

img, video { max-width: 100%; height: auto; display: block; }

a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent); }

/* ─────────────────────────────────────────
   Tipografía — fluid & mobile-first
───────────────────────────────────────── */
h1 {
  font: 400 clamp(2.1rem, 6vw, 3.8rem)/1.08 var(--fh);
  color: var(--primary);
  letter-spacing: -.025em;
  margin-bottom: clamp(1rem, 3vw, 1.75rem);
  text-align: center;
}

h2 {
  font: 600 clamp(2.1rem, 5.25vw, 3.15rem)/1.12 var(--fh);
  color: var(--primary);
  letter-spacing: -.02em;
  margin-bottom: clamp(.65rem, 2vw, 1rem);
  padding-top: 0;
}

/* Línea dorada antes de h2 */
.cb h2::before, .section h2::before {
  content: '';
  display: block;
  width: 1.75rem;
  height: 1px;
  background: var(--accent);
  margin-bottom: .65rem;
  opacity: .7;
}

h3 {
  font: 500 .78rem/1.4 var(--fb);
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .14em;
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 .5rem;
  opacity: .75;
}

p {
  margin-bottom: clamp(.75rem, 2vw, 1.1rem);
  line-height: 1.9;
}

ul, ol { margin: 0 0 1rem 1.4rem; }
li { margin-bottom: .35rem; line-height: 1.8; }
strong { font-weight: 500; }

/* ─────────────────────────────────────────
   Layout
───────────────────────────────────────── */
.wrap      { max-width: 800px;  margin: 0 auto; padding: 0 var(--gutter); }
.wrap-wide { max-width: 1100px; margin: 0 auto; padding: 0 var(--gutter); }

/* ─────────────────────────────────────────
   Content Blocks — subtle cycling backgrounds
   Cada H2 + su contenido vive en un .cb
   Se ciclan los tonos para dar ritmo de lectura
───────────────────────────────────────── */
.cb {
  padding: var(--section-py) 0;
}

/* Tono 1 — blanco puro */
.cb-1 { background: #FFFFFF; }

/* Tono 2 — casi blanco, calidez muy sutil */
.cb-2 { background: #F9F7F3; }

/* Tono 3 — greige suave */
.cb-3 { background: #F3EDE4; }

/* Tono 4 — greige más marcado */
.cb-4 { background: #EAE4DA; }

/* Tono dark — para contraste especial (footer, callouts) */
.cb-dark {
  background: var(--bg-dark);
  color: rgba(255,255,255,.72);
}
.cb-dark h2        { color: #fff; }
.cb-dark h2::before { background: var(--accent-lt); }
.cb-dark h3        { color: rgba(255,255,255,.42); }
.cb-dark p         { color: rgba(255,255,255,.62); }

/* Mantener .section para compatibilidad */
.section { padding: var(--section-py) 0; }

.section-label {
  display: block;
  font: 400 .68rem/1 var(--fb);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* ─────────────────────────────────────────
   Header — sticky + glassmorphism mobile
───────────────────────────────────────── */
.site-header {
  background: var(--bg-dark);
  padding: clamp(.85rem, 2vw, 1.1rem) var(--gutter);
  position: sticky;
  top: 0;
  z-index: 200;
  border-bottom: 1px solid rgba(255,255,255,.05);
}

.site-header .inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 44px;
}

.logo { display: flex; align-items: baseline; gap: 2px; }
.logo:hover { opacity: .8; }
.logo-santa  {
  color: var(--accent-lt);
  font: 400 clamp(1.1rem, 2.5vw, 1.45rem)/1 var(--fh);
  letter-spacing: .03em;
}
.logo-madera {
  color: #fff;
  font: 400 clamp(1.1rem, 2.5vw, 1.45rem)/1 var(--fh);
  letter-spacing: .03em;
}

/* Nav — hidden mobile, shown tablet+ */
.nav-links { display: none; gap: 2rem; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,.5);
  font: 300 .73rem/1 var(--fb);
  letter-spacing: .15em;
  text-transform: uppercase;
  transition: color .2s;
  padding: .5rem 0;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: #fff; }

@media (min-width: 640px) {
  .nav-links { display: flex; }
}

/* ─────────────────────────────────────────
   Breadcrumb
───────────────────────────────────────── */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
  align-items: center;
  font: 300 .7rem/1 var(--fb);
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted-lt);
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 .5rem;
}
.breadcrumb a { color: var(--muted-lt); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { opacity: .35; }

/* ─────────────────────────────────────────
   Intro-box
───────────────────────────────────────── */
.intro-box {
  border-top: 1px solid var(--border-dk);
  border-bottom: 1px solid var(--border-dk);
  padding: clamp(1rem, 2.5vw, 1.4rem) 0;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0;
  font: 300 .88rem/1.8 var(--fb);
  color: var(--muted);
}
.intro-box p { margin: 0; }
.intro-box strong { color: var(--primary); font-weight: 500; }

/* ─────────────────────────────────────────
   Índice interno
───────────────────────────────────────── */
.nav-interno {
  background: var(--bg-white);
  border: 1px solid var(--border);
  padding: clamp(1.25rem, 3vw, 1.75rem) clamp(1.25rem, 3vw, 2rem);
  margin: var(--gap-md) 0;
}
.nav-interno h3 { margin: 0 0 .85rem; }
.nav-interno ul {
  margin: 0;
  list-style: none;
  display: grid;
  gap: .05rem;
}
@media (min-width: 520px) {
  .nav-interno ul { grid-template-columns: 1fr 1fr; }
}
.nav-interno li { margin: 0; }
.nav-interno a {
  display: block;
  font: 300 .86rem/1 var(--fb);
  color: var(--muted);
  padding: .48rem 0;
  border-bottom: 1px solid transparent;
  transition: color .18s, border-color .18s;
}
.nav-interno a:hover { color: var(--primary); border-bottom-color: var(--accent); }

/* ─────────────────────────────────────────
   Botones — touch-friendly 44px min
───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .75rem 1.35rem;
  font: 400 .73rem/1 var(--fb);
  letter-spacing: .13em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  border: 1px solid transparent;
  min-height: 44px;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: #000; border-color: #000; color: #fff; }

.btn-outline {
  background: transparent;
  border-color: var(--border-dk);
  color: var(--primary);
}
.btn-outline:hover { border-color: var(--primary); }

.btn-ml {
  background: #FFE600;
  color: #333;
  border-color: #FFE600;
  border-radius: 6px;
  font-weight: 600;
  font-size: .88rem;
  text-transform: none;
  letter-spacing: .02em;
  padding: .85rem 1.5rem;
  min-height: 48px;
  gap: .5rem;
}
.btn-ml:hover {
  background: #FFD600;
  border-color: #FFD600;
  color: #333;
  box-shadow: 0 4px 16px rgba(255,230,0,.4);
}
/* Cart icon via CSS — no HTML changes needed */
.btn-ml::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='9' cy='21' r='1'/%3E%3Ccircle cx='20' cy='21' r='1'/%3E%3Cpath d='M1 1h4l2.68 13.39a2 2 0 0 0 2 1.61h9.72a2 2 0 0 0 2-1.61L23 6H6'/%3E%3C/svg%3E") no-repeat center/contain;
  flex-shrink: 0;
}
/* Suppress icon in compact table buttons */
.compare-table .btn-ml::before { display: none; }
.compare-table .btn-ml {
  font-size: .7rem;
  padding: .5rem .9rem;
  min-height: 36px;
}

/* ── CTA wrapper with trust signals ── */
.cta-ml {
  text-align: center;
  margin: var(--gap-md) auto;
  max-width: 420px;
}
.cta-ml .btn-ml {
  width: 100%;
  display: flex;
  font-size: 1rem;
  padding: 1rem 1.5rem;
}
.cta-ml-trust {
  display: flex;
  justify-content: center;
  gap: .85rem;
  flex-wrap: wrap;
  margin-top: .6rem;
  font: 300 .76rem/1.4 var(--fb);
  color: var(--muted);
}
.cta-ml-trust span {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
}
.cta-ml-trust span::before {
  content: '✓';
  color: var(--sage);
  font-weight: 500;
}

/* ── Product Box — image + info + CTA ── */
.product-box {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-white);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  margin: var(--gap-md) 0;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.product-box-img {
  width: 120px;
  flex-shrink: 0;
  border-radius: 4px;
  overflow: hidden;
}
.product-box-img img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}
.product-box-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.product-box-name {
  font: 600 1.05rem/1.25 var(--fh);
  color: var(--primary);
}
.product-box-price {
  font: 500 .95rem/1.2 var(--fb);
  color: var(--primary);
}
.product-box-benefits {
  list-style: none;
  margin: 0;
  font: 300 .84rem/1.6 var(--fb);
  color: var(--muted);
}
.product-box-benefits li::before {
  content: '✓ ';
  color: var(--sage);
  font-weight: 500;
}
.product-box .btn-ml {
  align-self: flex-start;
  margin-top: .25rem;
}
@media (max-width: 479px) {
  .product-box { flex-direction: column; }
  .product-box-img { width: 100%; }
  .product-box .btn-ml { width: 100%; }
}

/* ─────────────────────────────────────────
   Tabla comparativa — horizontal scroll mobile
───────────────────────────────────────── */
.compare-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--gap-sm) 0 .5rem;
  border: 1px solid var(--border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font: 300 .82rem/1.55 var(--fb);
  min-width: 540px;
}

.compare-table thead th {
  background: var(--bg-dark);
  color: rgba(255,255,255,.65);
  padding: .95rem clamp(.6rem, 1.5vw, 1rem);
  text-align: left;
  font: 400 .65rem/1 var(--fb);
  letter-spacing: .15em;
  text-transform: uppercase;
  white-space: nowrap;
}

.compare-table tbody td {
  padding: clamp(.7rem, 1.5vw, .95rem) clamp(.6rem, 1.5vw, 1rem);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--primary);
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr:hover td { background: var(--bg-warm); }
.compare-table tbody td:first-child { font-weight: 500; }

/* ─────────────────────────────────────────
   Badges & Stars
───────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: .22rem .65rem;
  font: 400 .66rem/1.4 var(--fb);
  letter-spacing: .06em;
}
.badge-green { background: #E6EFE7; color: var(--sage); }
.badge-gold  { background: #F2E6D4; color: var(--accent); }
.badge-gray  { background: var(--bg-warm); color: var(--muted); }

.stars { color: var(--accent); letter-spacing: 1px; font-size: .8rem; }

/* ─────────────────────────────────────────
   Product Grid — mobile-first
───────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.5vw, 1.5rem);
  margin: var(--gap-md) 0;
}
@media (min-width: 480px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ─────────────────────────────────────────
   Product Card — redesign 2026
───────────────────────────────────────── */
.product-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color .25s, box-shadow .3s, transform .3s;
}
.product-card:hover {
  border-color: var(--border-dk);
  box-shadow: 0 16px 48px rgba(26,26,24,.08);
  transform: translateY(-4px);
}

/* Image wrapper — aspect ratio 4:3 */
.card-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-warm);
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.25,.46,.45,.94);
}
.product-card:hover .card-img img { transform: scale(1.05); }

/* Card content */
.card-body {
  padding: clamp(1rem, 2.5vw, 1.5rem);
  display: flex;
  flex-direction: column;
  gap: .45rem;
  flex: 1;
}

.prod-marca {
  font: 400 .64rem/1 var(--fb);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted-lt);
}
.prod-nombre {
  font: 600 1.15rem/1.22 var(--fh);
  color: var(--primary);
  letter-spacing: -.01em;
}
.prod-precio {
  font: 500 .98rem/1.2 var(--fb);
  color: var(--primary);
}
.prod-precio span {
  font: 300 .76rem/1 var(--fb);
  color: var(--muted);
  margin-left: .3rem;
}
.prod-rating {
  font: 300 .77rem/1.4 var(--fb);
  color: var(--muted);
}
.prod-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  padding: .55rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: .1rem 0;
}
.tag {
  font: 300 .69rem/1 var(--fb);
  letter-spacing: .04em;
  color: var(--muted);
}
.tag::before { content: '· '; }
.tag:first-child::before { content: ''; }

.card-body p {
  font: 300 .84rem/1.7 var(--fb);
  color: var(--muted);
  margin: 0;
}
.prod-cta {
  margin-top: auto;
  padding-top: clamp(.75rem, 2vw, 1.1rem);
}
.card-link {
  display: inline-block;
  font: 300 .74rem/1 var(--fb);
  color: var(--muted-lt);
  letter-spacing: .05em;
  margin-top: .5rem;
  padding: .25rem 0;
}
.card-link:hover { color: var(--accent); }

/* ─────────────────────────────────────────
   Versus Grid
───────────────────────────────────────── */
.versus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin: var(--gap-sm) 0;
}
@media (min-width: 520px) {
  .versus-grid { grid-template-columns: repeat(3, 1fr); }
}

.versus-card {
  background: var(--bg-white);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: .65rem;
  transition: background .2s;
}
.versus-card:hover { background: var(--bg-warm); }
.versus-card .versus-title {
  font: 600 1.05rem/1.3 var(--fh);
  color: var(--primary);
  letter-spacing: -.01em;
}
.versus-card p {
  font: 300 .82rem/1.7 var(--fb);
  color: var(--muted);
  margin: 0;
}

/* ─────────────────────────────────────────
   FAQ — accordion nativo
───────────────────────────────────────── */
.faq-list { margin: var(--gap-sm) 0; }
.faq-item { border-bottom: 1px solid var(--border); }

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(.95rem, 2.5vw, 1.25rem) 0;
  cursor: pointer;
  list-style: none;
  font: 400 .9rem/1.5 var(--fb);
  color: var(--primary);
  user-select: none;
  min-height: 48px; /* touch target */
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font: 300 1.35rem/1 var(--fb);
  color: var(--accent);
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: '−'; }

.faq-item p {
  font: 300 .88rem/1.9 var(--fb);
  color: var(--muted);
  padding: 0 0 clamp(1rem, 2.5vw, 1.35rem);
  margin: 0;
}

/* ─────────────────────────────────────────
   Footer
───────────────────────────────────────── */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.45);
  font: 300 .81rem/1.8 var(--fb);
  padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(1.5rem, 4vw, 2.5rem);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3rem);
  margin-bottom: clamp(2rem, 5vw, 2.5rem);
}
@media (min-width: 560px) {
  .footer-inner { grid-template-columns: 2fr 1fr 1fr; }
}

.footer-col h4 {
  color: rgba(255,255,255,.85);
  font: 400 .65rem/1 var(--fb);
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer-col ul { list-style: none; margin: 0; }
.footer-col li { margin-bottom: .55rem; }
.footer-col a { color: rgba(255,255,255,.38); transition: color .2s; }
.footer-col a:hover { color: var(--accent-lt); }
.footer-col p { color: rgba(255,255,255,.38); margin: 0; line-height: 1.8; }

.footer-disclaimer {
  padding-top: clamp(1.25rem, 3vw, 1.75rem);
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: .69rem;
  color: rgba(255,255,255,.2);
  line-height: 1.9;
}
.footer-disclaimer a { color: rgba(255,255,255,.3); }
.footer-disclaimer a:hover { color: var(--accent-lt); }

/* ─────────────────────────────────────────
   Utilidades
───────────────────────────────────────── */
.price-note {
  font: 300 .73rem/1.5 var(--fb);
  color: var(--muted-lt);
  letter-spacing: .02em;
  margin-top: -.2rem;
}

/* ─────────────────────────────────────────
   Fade-in on scroll (via JS IntersectionObserver)
───────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .55s ease, transform .55s ease;
  }
  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
  .reveal-delay-1 { transition-delay: .1s; }
  .reveal-delay-2 { transition-delay: .2s; }
  .reveal-delay-3 { transition-delay: .3s; }
  .reveal-delay-4 { transition-delay: .4s; }
  .reveal-delay-5 { transition-delay: .5s; }
}