/* =============================================================
   Fontanería Ontinyent — styles.css
   Archetype: Editorial cálido oscuro (ámbar + cobre sobre marrón casi negro)
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg-light:  #faf6f0;
  --bg-light-2: #f2e5d8;
  --paper:     #ffffff;
  --deep:      #17110d;
  --deep-2:    #1f1710;
  --ink:       #241a12;
  --ink-soft:  #3a2b1e;
  --ink-mute:  #7d6b58;
  --cream:     #f4ebe0;
  --cream-mute: rgba(244,235,224,.7);
  --accent:    #e8722c;
  --accent-2:  #f2a65a;
  --accent-3:  #c94f3f;
  --line:      rgba(36,26,18,.12);
  --line-dark: rgba(244,235,224,.14);
  --card-dark-bg: rgba(23,17,13,.94);
  --shadow-sm: 0 2px 10px rgba(23,17,13,.08);
  --shadow-md: 0 14px 32px rgba(23,17,13,.16);
  --shadow-lg: 0 28px 60px rgba(23,17,13,.28);
  --radius:    14px;
  --radius-sm: 8px;
  --display:   'Playfair Display', 'Georgia', serif;
  --sans:      'Manrope', sans-serif;
  --ease-out:  cubic-bezier(.16,1,.3,1);
}

/* =============================================================
   2. Reset
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg-light);
  color: var(--ink);
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; text-wrap: balance; }

.skip-link { position: absolute; left: -9999px; top: 0; z-index: 999; background: var(--deep); color: var(--cream); padding: .8rem 1.2rem; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; }

.container { width: 100%; max-width: 1160px; margin-inline: auto; padding-inline: 1.5rem; }
.container-narrow { max-width: 740px; }

/* =============================================================
   3. Reveal on scroll
   ============================================================= */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* =============================================================
   4. Botones
   ============================================================= */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .85rem 1.6rem; border-radius: 999px; font-weight: 600; font-size: .95rem; transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out); white-space: nowrap; }
.btn-cta { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-3) 100%); color: #fff; box-shadow: var(--shadow-md); }
.btn-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-whatsapp { background: #fff; color: var(--ink); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { background: rgba(244,235,224,.12); border: 1px solid var(--line-dark); color: var(--cream); backdrop-filter: blur(10px); }
.btn-block { width: 100%; }
.btn-outline { border: 1px solid var(--line); color: var(--ink-soft); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-outline-dark { border: 1px solid var(--line-dark); color: var(--cream); }
.btn-outline-dark:hover { border-color: var(--accent-2); color: var(--accent-2); }

/* =============================================================
   5. Header / Nav
   ============================================================= */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(23,17,13,.7); backdrop-filter: blur(16px) saturate(140%); border-bottom: 1px solid transparent; transition: border-color .3s var(--ease-out), background .3s var(--ease-out); color: var(--cream); }
.site-header.is-scrolled { border-color: var(--line-dark); background: rgba(23,17,13,.92); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .85rem; }
.brand { display: flex; align-items: center; gap: .6rem; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 11px; background: linear-gradient(135deg, var(--accent) 0%, var(--accent-3) 100%); box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 3px 8px rgba(201,79,63,.35); flex-shrink: 0; }
.brand-mark svg { width: 21px; height: 21px; }
.brand-name { display: flex; flex-direction: column; line-height: 1.05; gap: 1px; }
.brand-name .brand-eyebrow { font-family: var(--sans); font-size: .6rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--cream-mute); }
.brand-name .brand-town { font-family: var(--display); font-style: italic; font-weight: 700; font-size: 1.16rem; color: var(--accent-2); }
.main-nav { display: none; gap: 1.6rem; }
.main-nav a { font-size: .9rem; font-weight: 500; color: var(--cream-mute); }
.main-nav a:hover { color: var(--cream); }
.nav-actions { display: flex; align-items: center; gap: .6rem; }
.nav-burger { display: inline-flex; flex-direction: column; justify-content: center; gap: 4px; width: 40px; height: 40px; border-radius: 10px; }
.nav-burger span { width: 20px; height: 2px; background: var(--cream); margin-inline: auto; transition: transform .3s var(--ease-out), opacity .3s var(--ease-out); }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.mobile-menu { display: none; flex-direction: column; gap: .2rem; padding: .5rem 1.5rem 1.5rem; border-top: 1px solid var(--line-dark); }
.mobile-menu.is-open { display: flex; }
.mobile-menu a { padding: .8rem .25rem; font-weight: 500; font-size: 1rem; color: var(--cream); border-bottom: 1px solid var(--line-dark); }

@media (min-width: 720px) { .main-nav { display: flex; } .nav-burger { display: none; } }
@media (max-width: 719px) { .nav-phone, .nav-cta { display: none; } }

/* =============================================================
   6. Hero — foto a pantalla completa, texto centrado
   ============================================================= */
.hero { position: relative; min-height: 88vh; display: flex; align-items: center; overflow: hidden; color: var(--cream); }
.hero-bg-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero-scrim { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(23,17,13,.55) 0%, rgba(23,17,13,.72) 55%, rgba(23,17,13,.92) 100%); }
.hero-inner { position: relative; z-index: 2; width: 100%; text-align: center; padding-block: 4rem; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: .5rem; font-size: .82rem; font-weight: 600; letter-spacing: .04em; color: var(--accent-2); margin-bottom: 1.3rem; }
.hero-eyebrow::before, .hero-eyebrow::after { content: ""; width: 22px; height: 1px; background: var(--accent-2); }
.hero-title { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 600; margin-bottom: 1.3rem; line-height: 1.08; max-width: 16ch; margin-inline: auto; }
.hero-title em { font-style: italic; color: var(--accent-2); }
.hero-sub { font-size: 1.1rem; color: var(--cream-mute); max-width: 46ch; margin: 0 auto 2rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1.6rem; }
.hero-chips { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: .4rem; background: rgba(244,235,224,.1); border: 1px solid var(--line-dark); padding: .4rem .85rem; border-radius: 999px; font-size: .8rem; color: var(--cream-mute); font-weight: 500; }
.chip-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); }

/* =============================================================
   7. Sections
   ============================================================= */
.section { padding-block: 4.5rem; position: relative; }
.section-alt { background: var(--deep); color: var(--cream); }
.section-alt + .section-alt { padding-top: 2.5rem; }
.eyebrow { display: block; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--accent); margin-bottom: .7rem; }
.section-alt .eyebrow { color: var(--accent-2); }
.section-title { font-size: clamp(1.7rem, 3.4vw, 2.3rem); margin-bottom: .7rem; font-family: var(--display); }
.section-title em { font-style: italic; color: var(--accent); }
.section-alt .section-title em { color: var(--accent-2); }
.section-sub { color: var(--ink-mute); font-size: 1.02rem; max-width: 56ch; margin-bottom: 2.5rem; }
.section-alt .section-sub { color: var(--cream-mute); }
.section-head.center { text-align: center; margin-inline: auto; }
.section-head.center .section-sub { margin-inline: auto; }

/* Tarjeta oscura autocontenida: el color se fija en el contenedor,
   así todo el texto de dentro hereda crema sin importar si la
   sección en la que vive es clara u oscura. */
.card-dark {
  background: var(--card-dark-bg);
  color: var(--cream);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(14px);
}
.card-dark .ink-mute-eq { color: var(--cream-mute); }

/* Tarjeta clara autocontenida (misma lógica, para cuando vive
   sobre una sección oscura). */
.card-light {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.card-light:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

/* =============================================================
   7b. Fondo con degradado / foto — variedad visual
   ============================================================= */
.section-gradient { position: relative; overflow: hidden; }
.section-gradient::before {
  content: "";
  position: absolute; inset: -15%;
  background:
    radial-gradient(circle at 18% 22%, rgba(232,114,44,.28) 0%, transparent 58%),
    radial-gradient(circle at 82% 28%, rgba(201,79,63,.22) 0%, transparent 54%),
    radial-gradient(circle at 50% 92%, rgba(242,166,90,.18) 0%, transparent 58%);
  filter: blur(48px);
  animation: gradientDriftFO 26s ease-in-out infinite;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 16%, #000 84%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 16%, #000 84%, transparent 100%);
  z-index: 0;
}
.section-gradient > .container { position: relative; z-index: 1; }
@keyframes gradientDriftFO { 0%, 100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-3%,2%) scale(1.08); } }
@media (prefers-reduced-motion: reduce) { .section-gradient::before { animation: none; } }

.section-bg-photo { position: relative; overflow: hidden; }
.section-bg-photo::before {
  content: ""; position: absolute; inset: 0;
  background-image: var(--bg-photo);
  background-size: cover; background-position: center;
  filter: blur(6px) saturate(1.05);
  transform: scale(1.1);
  opacity: .28;
  -webkit-mask-image: linear-gradient(180deg, #000 0, #000 calc(100% - 70px), transparent 100%);
  mask-image: linear-gradient(180deg, #000 0, #000 calc(100% - 70px), transparent 100%);
}
.section-bg-photo::after {
  content: ""; position: absolute; inset: 0; background: var(--deep); opacity: .74;
  -webkit-mask-image: linear-gradient(180deg, #000 0, #000 calc(100% - 70px), transparent 100%);
  mask-image: linear-gradient(180deg, #000 0, #000 calc(100% - 70px), transparent 100%);
}
.section-bg-photo > .container { position: relative; z-index: 1; }

/* =============================================================
   8. Proveedor
   ============================================================= */
.card-provider { padding: 2.2rem; }
.provider-main { display: flex; flex-wrap: wrap; gap: 1.4rem; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.provider-name { font-size: 1.35rem; margin-bottom: .3rem; }
.provider-category { font-size: .88rem; color: var(--cream-mute); margin-bottom: .7rem; }
.provider-rating { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; text-decoration: none; }
.provider-rating:hover .provider-reviews-count { text-decoration: underline; }
.provider-stars { color: var(--accent-2); font-size: 1rem; letter-spacing: 1px; }
.provider-rating-value { font-family: var(--display); font-weight: 700; }
.provider-reviews-count { font-size: .85rem; color: var(--cream-mute); }
.provider-attribution { display: flex; align-items: flex-start; gap: .5rem; font-size: .8rem; color: var(--cream-mute); }
.provider-attribution svg { flex-shrink: 0; margin-top: .1rem; }

/* =============================================================
   9. Servicios
   ============================================================= */
.grid-servicios { display: grid; gap: 1.4rem; grid-template-columns: 1fr; }
.card-servicio { overflow: hidden; }
.card-servicio-img { width: 100%; aspect-ratio: 16/11; object-fit: cover; }
.card-servicio-body { padding: 1.5rem; }
.card-servicio h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.card-servicio p { font-size: .92rem; color: var(--ink-mute); margin-bottom: 1rem; }
.card-servicio-link { font-size: .85rem; font-weight: 700; color: var(--accent); }
@media (min-width: 720px) { .grid-servicios { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .grid-servicios { grid-template-columns: repeat(4, 1fr); } }

/* =============================================================
   10. Zona de cobertura
   ============================================================= */
.grid-zonas { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
.zona-card { padding: 1.7rem; }
.zona-card h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.zona-card p { font-size: .9rem; opacity: .82; }
.zona-badge { display: inline-block; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: #fff; background: linear-gradient(135deg, var(--accent) 0%, var(--accent-3) 100%); padding: .3rem .7rem; border-radius: 999px; margin-bottom: .8rem; }
@media (min-width: 720px) { .grid-zonas { grid-template-columns: repeat(4, 1fr); } }

/* =============================================================
   11. Cómo trabajamos
   ============================================================= */
.grid-pasos { display: grid; gap: 1.4rem; grid-template-columns: 1fr; }
.card-paso { padding: 1.8rem; }
.card-paso-num { font-family: var(--display); font-weight: 700; font-size: 1.6rem; color: var(--accent); margin-bottom: .8rem; display: block; }
.card-paso h3 { font-size: 1.08rem; margin-bottom: .5rem; }
.card-paso p { font-size: .92rem; color: var(--ink-mute); }
@media (min-width: 780px) { .grid-pasos { grid-template-columns: repeat(3, 1fr); } }

/* =============================================================
   12. Herramientas
   ============================================================= */
.grid-tools { display: grid; gap: 1.4rem; grid-template-columns: 1fr; }
.card-tool { padding: 1.9rem; }
.card-tool h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.tool-intro { font-size: .9rem; opacity: .78; margin-bottom: 1.3rem; }
.tool-row label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .5rem; }
.tool-row select {
  width: 100%; padding: .8rem 1rem; border-radius: 10px; border: 1px solid var(--line-dark);
  background: rgba(244,235,224,.08); color: var(--cream); font: inherit;
}
.tool-row select option { color: #000; }
.tool-output { margin-top: 1.2rem; padding: 1.1rem; border-radius: var(--radius-sm); background: rgba(244,235,224,.08); display: flex; flex-direction: column; gap: .3rem; }
.tool-stat-value { display: block; font-family: var(--display); font-weight: 700; font-size: 1.3rem; color: var(--accent-2); }
.tool-stat-label { font-size: .85rem; opacity: .78; }

.presion-form { display: flex; flex-direction: column; gap: 1.1rem; }
.presion-q { display: flex; flex-direction: column; gap: .5rem; }
.presion-q p { font-size: .92rem; font-weight: 600; }
.presion-opt { display: flex; align-items: center; gap: .55rem; font-size: .9rem; opacity: .9; cursor: pointer; }
.presion-opt input { accent-color: var(--accent); width: 16px; height: 16px; }
.presion-resultado { margin-top: .3rem; padding: 1rem; border-radius: var(--radius-sm); background: rgba(244,235,224,.08); font-size: .92rem; }

/* =============================================================
   13. Blog teaser
   ============================================================= */
.grid-blog-teaser { display: grid; gap: 1.4rem; grid-template-columns: 1fr; }
.card-blog { overflow: hidden; display: flex; flex-direction: column; }
.card-blog img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card-blog-body { padding: 1.3rem 1.4rem 1.5rem; }
.card-blog-body span { font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; color: var(--accent); font-weight: 700; }
.card-blog-body h3 { font-size: 1.02rem; margin-top: .5rem; font-family: var(--display); }
@media (min-width: 720px) { .grid-blog-teaser { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .grid-blog-teaser { grid-template-columns: repeat(4, 1fr); } }

/* =============================================================
   14. FAQ
   ============================================================= */
.faq-list { display: flex; flex-direction: column; gap: .9rem; max-width: 740px; }
.faq-item { padding: 0 1.5rem; }
.faq-item summary { padding-block: 1.2rem; font-weight: 600; font-size: .98rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--accent); flex-shrink: 0; transition: transform .25s var(--ease-out); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding-bottom: 1.3rem; color: var(--ink-mute); font-size: .93rem; margin: 0; }

/* =============================================================
   15. Contacto
   ============================================================= */
.contact-grid { display: grid; gap: 2.5rem; }
.contact-methods { display: grid; gap: .9rem; margin-top: 1.6rem; }
.contact-method { display: flex; align-items: center; gap: .9rem; padding: 1.1rem 1.3rem; }
.contact-method svg { color: var(--accent-2); flex-shrink: 0; }
.contact-method strong { display: block; font-size: .92rem; }
.contact-method span span { font-size: .82rem; opacity: .75; }
.contact-form { padding: 2rem; background: var(--paper); border-radius: var(--radius); box-shadow: var(--shadow-md); color: var(--ink); display: flex; flex-direction: column; gap: 1.1rem; }
.form-row { display: flex; flex-direction: column; gap: .4rem; }
.form-row label { font-size: .85rem; font-weight: 600; color: var(--ink-soft); }
.form-row input, .form-row select, .form-row textarea { padding: .8rem 1rem; border-radius: 10px; border: 1px solid var(--line); background: #fff; font: inherit; color: var(--ink); }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1.1fr; } }

/* =============================================================
   16. Footer
   ============================================================= */
.site-footer { background: var(--deep); color: var(--cream); padding-block: 3.5rem 1.6rem; }
.footer-grid { display: grid; gap: 2.2rem; grid-template-columns: 1fr; margin-bottom: 2.2rem; }
.footer-brand { font-family: var(--display); font-weight: 600; font-size: 1.05rem; display: block; margin-bottom: .8rem; }
.footer-grid p { color: var(--cream-mute); font-size: .9rem; }
.footer-grid h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; color: var(--cream-mute); margin-bottom: .9rem; }
.footer-grid ul li { margin-bottom: .55rem; }
.footer-grid ul a { font-size: .9rem; }
.footer-grid ul a:hover { color: var(--accent-2); }
.footer-bottom { border-top: 1px solid var(--line-dark); padding-top: 1.4rem; }
.footer-bottom p { font-size: .8rem; color: var(--cream-mute); }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }

/* =============================================================
   17. WhatsApp flotante
   ============================================================= */
.whatsapp-float { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 90; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); transition: transform .25s var(--ease-out); }
.whatsapp-float:hover { transform: scale(1.08); background: #20bd5a; }

/* =============================================================
   18. Artículo / blog
   ============================================================= */
.article-hero { padding-block: 3rem 2rem; }
.back-link { display: inline-block; margin-bottom: 1.4rem; font-size: .88rem; color: var(--accent); font-weight: 600; }
.article-meta span { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); font-weight: 700; }
.article-title { font-size: clamp(1.9rem, 4.4vw, 2.7rem); margin-block: .8rem 1.2rem; font-family: var(--display); }
.demo-badge { display: inline-block; font-size: .82rem; font-weight: 600; color: var(--accent-3); background: rgba(201,79,63,.1); border: 1px dashed rgba(201,79,63,.4); padding: .5rem .9rem; border-radius: var(--radius-sm); margin-bottom: 2rem; }
.article-featured { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: var(--radius); margin-bottom: 2.5rem; box-shadow: var(--shadow-md); }
.article-body { padding-bottom: 4rem; }
.article-body h2 { font-size: 1.4rem; margin-block: 2.2rem .8rem; font-family: var(--display); }
.article-body p { color: var(--ink-soft); font-size: 1.02rem; margin-bottom: 1.1rem; }
.article-body ul, .article-body ol { margin-bottom: 1.1rem; padding-left: 1.3rem; }
.article-body ul { list-style: disc; }
.article-body li { color: var(--ink-soft); margin-bottom: .5rem; }
.article-body a { color: var(--accent); font-weight: 600; }
.article-body a:hover { text-decoration: underline; }
.related-posts { background: var(--bg-light-2, #f2e5d8); padding-block: 3.5rem; }
.related-posts h2 { font-size: 1.3rem; margin-bottom: 1.6rem; font-family: var(--display); }
.blog-hero { padding-block: 3rem 1rem; text-align: center; }
.grid-blog-full { display: grid; gap: 1.6rem; grid-template-columns: 1fr; padding-block: 2rem 4rem; }
@media (min-width: 720px) { .grid-blog-full { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .grid-blog-full { grid-template-columns: repeat(3, 1fr); } }

/* =============================================================
   19. Print
   ============================================================= */
@media print { .site-header, .whatsapp-float, .hero-scrim { display: none !important; } }