/* =========================================================
   Mármoles y Granitos Cuesta — Encimeras de Cocina
   Hoja de estilos principal
   ========================================================= */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f4f0;
  --color-bg-alt-2: #efece6;
  --color-dark: #15181c;
  --color-dark-2: #1e2226;
  --color-text: #23262b;
  --color-text-muted: #5b6169;
  --color-accent: #a97f45;
  --color-accent-dark: #8a6636;
  --color-accent-light: #d9bd8d;
  --color-border: #e3ded4;
  --shadow-soft: 0 10px 30px rgba(21, 24, 28, 0.08);
  --shadow-strong: 0 20px 50px rgba(21, 24, 28, 0.25);
  --radius: 4px;
  --container: 1180px;
  --font-heading: "Playfair Display", "Georgia", serif;
  --font-body: "Work Sans", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { margin: 0; padding: 0; list-style: none; }

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--color-dark);
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 16px; color: var(--color-text-muted); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: 12px;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head.left { margin: 0 0 40px; text-align: left; }

section { padding: 88px 0; }

.section-alt { background: var(--color-bg-alt); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(169, 127, 69, 0.35);
}
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.55);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.12); }

.btn-dark {
  background: var(--color-dark);
  color: #fff;
}
.btn-dark:hover { background: var(--color-dark-2); transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  background: rgba(255,255,255,0);
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
  padding: 22px 0;
}
.site-header.is-scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  padding: 12px 0;
  backdrop-filter: saturate(180%) blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 42px; width: auto; transition: height 0.3s ease; }
.site-header.is-scrolled .logo img { height: 36px; }
.logo-fallback {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-dark);
}
.site-header:not(.is-scrolled) .logo-fallback { color: #fff; }

.main-nav ul { display: flex; align-items: center; gap: 26px; }
.main-nav a {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
  white-space: nowrap;
  position: relative;
  padding-bottom: 4px;
  transition: color 0.25s ease;
}
.site-header.is-scrolled .main-nav a { color: var(--color-text); }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width 0.25s ease;
}
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 18px; }
.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: #fff;
  font-size: 0.95rem;
}
.site-header.is-scrolled .header-phone { color: var(--color-dark); }
.header-phone svg { flex-shrink: 0; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  transition: all 0.25s ease;
}
.site-header.is-scrolled .nav-toggle span { background: var(--color-dark); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-dark) url("../images/encimeras-cocina-madrid.jpg") center/cover no-repeat;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,17,20,0.72) 0%, rgba(15,17,20,0.55) 45%, rgba(15,17,20,0.85) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-top: 90px;
}
.hero h1 { color: #fff; }
.hero-lead {
  color: rgba(255,255,255,0.86);
  font-size: 1.15rem;
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 48px; }

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.2);
}
.hero-trust-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 0.88rem;
}
.hero-trust-item strong {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: #fff;
}

.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.7);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.scroll-cue .line { width: 1px; height: 34px; background: rgba(255,255,255,0.5); animation: scrollpulse 1.8s ease-in-out infinite; }
@keyframes scrollpulse { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ---------- Materiales ---------- */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.material-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 18px;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.material-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.material-card img { height: 34px; width: auto; margin: 0 auto 18px; object-fit: contain; }
.material-card h3 { font-size: 1rem; margin-bottom: 8px; }
.material-card p { font-size: 0.85rem; margin: 0; }

/* ---------- Ventajas ---------- */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.advantage {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.advantage-icon {
  flex-shrink: 0;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--color-bg-alt-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent-dark);
}
.advantage h3 { margin-bottom: 6px; font-size: 1.05rem; }
.advantage p { margin: 0; font-size: 0.92rem; }

/* ---------- Galería ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-soft);
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 16px;
  background: linear-gradient(0deg, rgba(15,17,20,0.82), transparent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease;
}
.gallery-item:hover .gallery-caption { opacity: 1; transform: translateY(0); }

/* ---------- Proceso ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-step {
  position: relative;
  padding: 34px 22px 26px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-heading);
  font-size: 2.1rem;
  color: var(--color-accent-light);
  display: block;
  margin-bottom: 10px;
}
.process-step h3 { font-size: 1rem; margin-bottom: 8px; }
.process-step p { font-size: 0.88rem; margin: 0; }

/* ---------- Quiénes somos ---------- */
.about-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-media { position: relative; }
.about-media img { border-radius: var(--radius); box-shadow: var(--shadow-strong); }
.about-badge {
  position: absolute;
  bottom: -24px; right: -24px;
  background: var(--color-dark);
  color: #fff;
  padding: 22px 26px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-strong);
}
.about-badge strong { display: block; font-family: var(--font-heading); font-size: 2rem; color: var(--color-accent-light); }
.about-badge span { font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; }

.about-list { margin-top: 24px; display: grid; gap: 12px; }
.about-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--color-text); font-size: 0.95rem; }
.about-list svg { flex-shrink: 0; margin-top: 3px; color: var(--color-accent); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 6px 24px;
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 0;
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding-bottom: 18px; margin: 0; }

/* ---------- CTA banda ---------- */
.cta-band {
  background: var(--color-dark) url("../images/encimeras-de-cocina-1.jpg") center/cover no-repeat;
  position: relative;
  padding: 90px 0;
  text-align: center;
}
.cta-band::before { content: ""; position: absolute; inset: 0; background: rgba(14,16,19,0.82); }
.cta-band-inner { position: relative; z-index: 2; max-width: 620px; margin: 0 auto; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.82); }
.cta-band .btn-row { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-top: 8px; }

/* ---------- Contacto ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}
.contact-info { display: grid; gap: 22px; align-content: start; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-info-item .ico {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-bg-alt-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent-dark);
  flex-shrink: 0;
}
.contact-info-item h3 { font-size: 0.95rem; margin-bottom: 4px; font-family: var(--font-body); font-weight: 700; }
.contact-info-item p, .contact-info-item a { margin: 0; font-size: 0.92rem; color: var(--color-text-muted); }
.contact-info-item a:hover { color: var(--color-accent-dark); }

.map-embed { margin-top: 8px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); }
.map-embed iframe { width: 100%; height: 220px; border: 0; display: block; }

.contact-form {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.92rem;
  background: #fff;
  color: var(--color-text);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-consent { display: flex; gap: 10px; align-items: flex-start; font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 20px; }
.form-consent input { width: auto; margin-top: 3px; }
.form-consent a { color: var(--color-accent-dark); text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-dark); color: rgba(255,255,255,0.7); padding: 64px 0 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo { height: 34px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.site-footer p { color: rgba(255,255,255,0.55); font-size: 0.88rem; }
.footer-col h4 { color: #fff; font-family: var(--font-body); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { font-size: 0.9rem; color: rgba(255,255,255,0.65); transition: color 0.2s ease; }
.footer-col a:hover { color: var(--color-accent-light); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  padding-top: 24px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
}
.footer-social a:hover { border-color: var(--color-accent-light); color: var(--color-accent-light); }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  left: 20px; right: 20px; bottom: 20px;
  z-index: 999;
  max-width: 560px;
  background: #fff;
  color: var(--color-text);
  border-radius: var(--radius);
  box-shadow: var(--shadow-strong);
  padding: 22px 24px;
  display: none;
}
.cookie-banner.is-visible { display: block; animation: fadein 0.4s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.cookie-banner p { font-size: 0.85rem; margin: 0 0 14px; }
.cookie-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cookie-actions button { flex: 1; }
.btn-sm { padding: 10px 16px; font-size: 0.82rem; }

/* ---------- Legal pages ---------- */
.legal-page { padding-top: 150px; padding-bottom: 100px; }
.legal-page h2 { margin-top: 36px; }
.legal-page h1 { margin-bottom: 8px; }
.legal-updated { color: var(--color-text-muted); font-size: 0.85rem; margin-bottom: 40px; }
.legal-page table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.88rem; }
.legal-page th, .legal-page td { text-align: left; padding: 10px 12px; border: 1px solid var(--color-border); }
.legal-page th { background: var(--color-bg-alt); }
.back-link { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 30px; font-weight: 600; color: var(--color-accent-dark); }

/* ---------- Responsive ---------- */
/* Por debajo de este ancho el menú de escritorio empieza a quedarse justo de
   espacio (logo + 6 enlaces + teléfono + botón), así que pasamos al menú
   hamburguesa antes de que llegue a apretarse o partirse en dos líneas. */
@media (max-width: 1180px) {
  .main-nav { position: fixed; top: 0; right: 0; height: 100vh; width: min(320px, 82vw);
    background: #fff; padding: 100px 32px 32px; transform: translateX(100%);
    transition: transform 0.3s ease; box-shadow: -10px 0 30px rgba(0,0,0,0.15); }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 22px; }
  .main-nav a { color: var(--color-text); font-size: 1.05rem; white-space: normal; }
  .main-nav a::after { display: none; }
  .nav-toggle { display: block; }
  .header-phone span.txt { display: none; }
}

@media (max-width: 1024px) {
  .materials-grid { grid-template-columns: repeat(3, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .about-wrap { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
  .materials-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-badge { position: static; margin-top: -40px; margin-left: 20px; width: fit-content; }
}

@media (max-width: 480px) {
  .materials-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; }
}