/*
Theme Name: Cristalería 3 Cantos v2
Theme URI: https://www.cristaleria3cantos.com
Author: Cristalería 3 Cantos
Description: Diseno moderno, elegante y rapido. Sin Elementor. HTML/CSS/JS puro.
Version: 2.2.1
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: Propietario
Text Domain: c3c
*/

/* ----------------------------------------
   TOKENS DE DISENO
---------------------------------------- */
:root {
  /* Colores */
  --white:       #FFFFFF;
  --bg-alt:      #F4F6F8;
  --navy:        #1A2E44;
  --navy-deep:   #111e2d;
  --crystal:     #3B9EBF;
  --crystal-lt:  #5BB8D8;
  --crystal-bg:  #EBF6FB;
  --ink:         #1C1C1E;
  --muted:       #6B7280;
  --border:      #E5E7EB;
  --border-dark: #D1D5DB;

  /* Tipografia */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  /* Espaciado */
  --section-py:  88px;
  --inner-max:   1320px;
  --inner-px:    32px;

  /* Radios */
  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  18px;
  --r-xl:  24px;

  /* Sombras */
  --shadow-sm: 0 1px 4px rgba(26,46,68,.06);
  --shadow-md: 0 4px 20px rgba(26,46,68,.10);
  --shadow-lg: 0 12px 40px rgba(26,46,68,.13);

  /* Transicion */
  --tr: .28s cubic-bezier(.4,0,.2,1);
}

/* ----------------------------------------
   RESET & BASE
---------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font-body); cursor: pointer; }

/* ----------------------------------------
   UTILIDADES
---------------------------------------- */
.inner {
  max-width: var(--inner-max);
  margin: 0 auto;
  padding: 0 var(--inner-px);
}
.section { padding: var(--section-py) 0; }
.section--alt { background: var(--bg-alt); }
.section--navy { background: var(--navy); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--crystal);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1.5px;
  background: var(--crystal);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 14px;
  letter-spacing: -.01em;
}
.section-title--white { color: #fff; }

.section-sub {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 500px;
}
.section-sub--white { color: rgba(255,255,255,.6); }

.section-hd { margin-bottom: 48px; }

/* ----------------------------------------
   BOTONES
---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .88rem;
  padding: 13px 26px;
  border-radius: var(--r-md);
  transition: var(--tr);
  letter-spacing: .02em;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn--primary {
  background: var(--crystal);
  color: #fff;
}
.btn--primary:hover {
  background: var(--crystal-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,158,191,.35);
  color: #fff;
}
.btn--outline {
  background: transparent;
  color: var(--crystal);
  border-color: var(--crystal);
}
.btn--outline:hover {
  background: var(--crystal);
  color: #fff;
  transform: translateY(-2px);
}
.btn--ghost {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: rgba(255,255,255,.25);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.5);
  color: #fff;
}
.btn--wa {
  background: #25D366;
  color: #fff;
  border-color: transparent;
}
.btn--wa:hover {
  background: #1ebe59;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37,211,102,.3);
  color: #fff;
}
.btn--lg { padding: 15px 32px; font-size: .94rem; }

/* ----------------------------------------
   TOPBAR
---------------------------------------- */
.c3c-topbar {
  background: var(--navy-deep);
  color: rgba(255,255,255,.65);
  font-size: .75rem;
  letter-spacing: .02em;
  padding: 9px 0;
}
.c3c-topbar .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.c3c-topbar__contacts { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.c3c-topbar__contacts a { color: rgba(255,255,255,.65); display: flex; align-items: center; gap: 5px; transition: color var(--tr); }
.c3c-topbar__contacts a:hover { color: var(--crystal); }
.c3c-topbar__contacts svg { width: 14px; height: 14px; flex-shrink: 0; }
.c3c-topbar__contacts span { display: flex; align-items: center; gap: 5px; }
.c3c-topbar__social { display: flex; gap: 8px; }
.c3c-topbar__social a {
  width: 26px; height: 26px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6);
  transition: var(--tr);
}
.c3c-topbar__social a svg { width: 13px; height: 13px; }
.c3c-topbar__social a:hover { background: var(--crystal); border-color: var(--crystal); color: #fff; }

/* ----------------------------------------
   NAVBAR
---------------------------------------- */
.c3c-nav {
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 500;
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--tr);
}
.c3c-nav.scrolled { box-shadow: var(--shadow-md); border-bottom-color: transparent; }
.c3c-nav .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}
.c3c-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--navy);
  line-height: 1;
  display: flex;
  align-items: center;
  gap: 9px;
  letter-spacing: -.01em;
}
.c3c-logo__mark {
  width: 30px; height: 30px;
  flex-shrink: 0;
  color: var(--crystal);
  display: flex;
  align-items: center;
}
.c3c-logo__mark svg { width: 100%; height: 100%; }
.c3c-logo__mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.c3c-logo__text { display: flex; flex-direction: column; line-height: 1.05; }
.c3c-logo__text small {
  font-family: var(--font-body);
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--crystal);
}

/* Menu escritorio */
.c3c-menu {
  display: flex;
  align-items: center;
  gap: 2px;
}
.c3c-menu > li > a {
  display: block;
  padding: 8px 14px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--navy);
  border-radius: var(--r-sm);
  transition: var(--tr);
}
.c3c-menu > li > a:hover,
.c3c-menu > li.current-menu-item > a { color: var(--crystal); background: var(--crystal-bg); }
.c3c-menu > li.menu-cta > a {
  background: var(--crystal);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: var(--r-md);
  margin-left: 6px;
}
.c3c-menu > li.menu-cta > a:hover { background: var(--crystal-lt); }

/* Dropdown */
.c3c-menu .menu-item-has-children { position: relative; }
.c3c-menu .menu-item-has-children > a::after { content: ' ▾'; font-size: .65rem; opacity: .5; }
.c3c-menu .sub-menu {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  padding: 8px;
  z-index: 600;
}
.c3c-menu .menu-item-has-children:hover > .sub-menu { display: block; }
.c3c-menu .sub-menu li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  font-size: .84rem;
  color: var(--navy);
  border-radius: var(--r-sm);
  transition: var(--tr);
}
.c3c-menu .sub-menu li a:hover { background: var(--crystal-bg); color: var(--crystal); }
.c3c-menu .sub-menu li a::before { content: '›'; color: var(--crystal); font-size: 1rem; line-height: 1; }

/* Hamburger */
.c3c-burger {
  display: none;
  width: 40px; height: 40px;
  border: none; background: none;
  align-items: center; justify-content: center;
  flex-direction: column;
  gap: 5px;
  border-radius: var(--r-sm);
  transition: background var(--tr);
}
.c3c-burger:hover { background: var(--bg-alt); }
.c3c-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--tr);
}
.c3c-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.c3c-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.c3c-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menu movil */
.c3c-mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(20, 32, 53, 0.5);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  z-index: 490;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 110px 24px 40px;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform .35s cubic-bezier(.4,0,.2,1), visibility .35s;
}
.c3c-mobile-menu > nav { margin: auto 0; width: 100%; }
.c3c-mobile-menu.open { transform: translateX(0); visibility: visible; }
/* Capa oscura consistente detrás del menú: hace que la translucidez se vea
   igual en todas las páginas, sin depender de la imagen que haya detrás */
#c3c-overlay { background: rgba(10, 18, 33, 0.88) !important; }
.c3c-mobile-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,.15);
  font-size: 1.05rem;
  font-weight: 500;
  color: #fff;
}
.c3c-mobile-menu a span { color: rgba(255,255,255,.4); }
.c3c-mobile-menu a:last-child { border-bottom: none; }
.c3c-mobile-menu a:hover { color: var(--crystal); }
.c3c-mobile-menu .mobile-sub a {
  padding: 12px 0 12px 16px;
  font-size: .9rem;
  font-weight: 400;
  color: var(--muted);
  border-bottom: 1px solid var(--bg-alt);
}
.c3c-mobile-menu .mobile-sub a:hover { color: var(--crystal); }
.c3c-mobile-menu .btn { margin-top: 24px; width: 100%; justify-content: center; }

/* ----------------------------------------
   HERO - simple, centrado, sin cajas
---------------------------------------- */
.c3c-hero {
  background: var(--navy);
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 160px 0 90px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.c3c-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.c3c-hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
}
.c3c-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17,30,45,.45) 0%, rgba(26,46,68,.55) 55%, rgba(17,30,45,.7) 100%);
}
.c3c-hero > .inner { position: relative; z-index: 1; }
.c3c-hero__eyebrow {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--crystal-lt);
  margin-bottom: 14px;
  text-shadow: 0 1px 12px rgba(0,0,0,.4);
}
.c3c-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 6vw, 4rem);
  font-weight: 400;
  line-height: 1.1;
  color: #fff;
  letter-spacing: -.01em;
  margin-bottom: 14px;
  text-shadow: 0 2px 24px rgba(0,0,0,.35);
}
.c3c-hero__desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,.85);
  margin: 0 auto 32px;
  max-width: 440px;
  text-shadow: 0 1px 12px rgba(0,0,0,.4);
}
.c3c-hero__actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* ----------------------------------------
   SERVICIOS - foto grande + texto, sin tarjetas
---------------------------------------- */
.c3c-svc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px 28px;
}
.c3c-svc-card {
  display: block;
  color: inherit;
}
.c3c-svc-card__photo {
  aspect-ratio: 4/3;
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--bg-alt);
}
.c3c-svc-card__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s var(--tr);
}
.c3c-svc-card:hover .c3c-svc-card__photo img { transform: scale(1.05); }
.c3c-svc-card__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 6px;
  font-weight: 400;
  transition: color var(--tr);
}
.c3c-svc-card:hover .c3c-svc-card__name { color: var(--crystal); }
.c3c-svc-card__desc { font-size: .85rem; color: var(--muted); line-height: 1.55; }

/* ----------------------------------------
   ULTIMOS TRABAJOS - 3 fotos grandes
---------------------------------------- */
.c3c-work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr;
  gap: 14px;
}
.c3c-work-grid a {
  display: block;
  aspect-ratio: 1/1;
  border-radius: var(--r-md);
  overflow: hidden;
}
.c3c-work-grid img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s var(--tr);
}
.c3c-work-grid a:hover img { transform: scale(1.05); }

/* Galeria masonry - usada en paginas de servicio y "nuestros trabajos" */
.c3c-gallery-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-items: start;
}
.c3c-gallery-masonry__item {
  border-radius: var(--r-md);
  overflow: hidden;
}
.c3c-gallery-masonry__item img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/5;
  object-fit: cover;
  display: block;
  transition: transform .5s var(--tr);
}
.c3c-gallery-masonry__item:hover img { transform: scale(1.04); }

/* ----------------------------------------
   CONTACTO - limpio, sin cajas innecesarias
---------------------------------------- */
.c3c-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: stretch;
}
.c3c-contact-info__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 24px;
  font-weight: 400;
}
.c3c-info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.c3c-info-item__icon {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--crystal);
}
.c3c-info-item__icon svg { width: 20px; height: 20px; }
.c3c-info-item__body { font-size: .88rem; color: var(--muted); line-height: 1.5; }
.c3c-info-item__body strong { display: block; color: var(--navy); font-size: .92rem; margin-bottom: 2px; }
.c3c-info-item__body a { color: var(--crystal); }
.c3c-info-item__body a:hover { text-decoration: underline; }

/* Formulario - discreto, sin sombra pesada */
.c3c-form-card {
  background: var(--bg-alt);
  border-radius: var(--r-lg);
  padding: 32px;
}
.c3c-form-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--navy);
  margin-bottom: 22px;
  font-weight: 400;
}
.c3c-fg { margin-bottom: 16px; }
.c3c-fg label {
  display: block;
  font-size: .77rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.c3c-fg input,
.c3c-fg textarea,
.c3c-fg select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: .88rem;
  color: var(--ink);
  background: #fff;
  outline: none;
  transition: border-color var(--tr), box-shadow var(--tr);
  appearance: none;
}
.c3c-fg input:focus,
.c3c-fg textarea:focus,
.c3c-fg select:focus {
  border-color: var(--crystal);
  box-shadow: 0 0 0 3px rgba(59,158,191,.12);
}
.c3c-fg textarea { resize: vertical; min-height: 108px; }
.c3c-fgrow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.c3c-form-submit {
  width: 100%;
  padding: 14px;
  background: var(--crystal);
  color: #fff;
  border: none;
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--tr);
  letter-spacing: .03em;
}
.c3c-form-submit:hover { background: var(--crystal-lt); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(59,158,191,.3); }
.c3c-form-note { font-size: .73rem; color: var(--muted); margin-top: 12px; line-height: 1.5; }
.c3c-form-resp { display:none; margin-top:14px; padding:12px 16px; border-radius:var(--r-md); font-size:.85rem; font-weight:500; }
.c3c-form-resp--ok { background:rgba(59,158,191,.1); color:#0a6e8a; border:1px solid rgba(59,158,191,.25); }
.c3c-form-resp--err { background:rgba(220,53,69,.07); color:#a32d2d; border:1px solid rgba(220,53,69,.2); }

/* ----------------------------------------
   FOOTER
---------------------------------------- */
.c3c-footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,.5);
  padding: 64px 0 28px;
}
.c3c-footer__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 28px;
}
.c3c-footer__brand p { font-size: .84rem; line-height: 1.7; max-width: 280px; margin-top: 14px; }
.c3c-footer__social { display: flex; gap: 8px; margin-top: 20px; }
.c3c-footer__social a {
  width: 34px; height: 34px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.45);
  transition: var(--tr);
}
.c3c-footer__social a svg { width: 16px; height: 16px; }
.c3c-footer__social a:hover { background: var(--crystal); border-color: var(--crystal); color: #fff; }
.c3c-footer__col h4 {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.85);
  margin-bottom: 18px;
}
.c3c-footer__col li { margin-bottom: 10px; }
.c3c-footer__col li a { color: rgba(255,255,255,.45); font-size: .84rem; transition: color var(--tr); }
.c3c-footer__col li a:hover { color: var(--crystal); }
.c3c-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: .76rem;
}

/* ----------------------------------------
   HERO MINI (paginas interiores)
---------------------------------------- */
.c3c-page-hero {
  background: var(--navy);
  padding: 72px 0 56px;
  position: relative;
  overflow: hidden;
}
.c3c-page-hero::after {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  border: 1px solid rgba(59,158,191,.15);
  border-radius: 40%;
  pointer-events: none;
}
.c3c-breadcrumb {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .74rem;
  font-weight: 500;
  color: rgba(255,255,255,.4);
  margin-bottom: 20px;
  letter-spacing: .02em;
}
.c3c-breadcrumb a {
  color: rgba(255,255,255,.55);
  display: flex;
  align-items: center;
  transition: color var(--tr);
}
.c3c-breadcrumb a:hover { color: var(--crystal); }
.c3c-breadcrumb a svg { width: 14px; height: 14px; }
.c3c-breadcrumb span { opacity: .35; }
.c3c-breadcrumb .is-current { color: rgba(255,255,255,.7); }
.c3c-page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: #fff;
  font-weight: 400;
  letter-spacing: -.015em;
  margin-bottom: 16px;
}
.c3c-page-hero__desc { color: rgba(255,255,255,.6); font-size: 1rem; line-height: 1.7; max-width: 560px; }

/* ----------------------------------------
   TIPOS / ACABADOS - tarjeta con foto
---------------------------------------- */
.c3c-tipos-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
}
.c3c-tipo-card { text-align: center; width: 180px; }
.c3c-tipo-card__photo {
  aspect-ratio: 1/1;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg-alt);
  margin-bottom: 10px;
}
.c3c-tipo-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.c3c-tipo-card__name {
  font-size: .82rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: .01em;
}

@media (max-width: 1024px) {
  .c3c-tipo-card { width: 150px; }
  .c3c-tipos-grid { gap: 14px; }
}
@media (max-width: 640px) {
  .c3c-tipo-card { width: calc(33.33% - 8px); }
  .c3c-tipos-grid { gap: 12px; }
  .c3c-tipo-card__name { font-size: .76rem; }
}
@media (max-width: 420px) {
  .c3c-tipo-card { width: calc(50% - 6px); }
}

/* ----------------------------------------
   CTA FLOTANTE MOVIL
---------------------------------------- */
.c3c-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  z-index: 400;
  gap: 10px;
}
.c3c-sticky-cta .btn { flex: 1; justify-content: center; }

/* Botón volver arriba */
.c3c-to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0,0,0,.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s, transform .3s, visibility .3s, background .2s;
  z-index: 470;
}
.c3c-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.c3c-to-top:hover { background: var(--crystal); }
.c3c-to-top svg { width: 20px; height: 20px; }
@media (max-width: 768px) {
  .c3c-to-top { bottom: 84px; right: 16px; }
}

/* ----------------------------------------
   CARRUSEL HORIZONTAL (scroll-snap nativo)
---------------------------------------- */
.c3c-carousel-wrap { position: relative; }
.c3c-carousel {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.c3c-carousel::-webkit-scrollbar { display: none; }
.c3c-carousel__item {
  flex: 0 0 auto;
  width: min(58vw, 340px);
  aspect-ratio: 3/4;
  border-radius: var(--r-md);
  overflow: hidden;
  scroll-snap-align: start;
  background: var(--bg-alt);
}
.c3c-carousel__item img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.c3c-carousel__nav {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-bottom: 14px;
}
.c3c-carousel__btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  color: var(--navy);
  transition: var(--tr);
}
.c3c-carousel__btn:hover { border-color: var(--crystal); color: var(--crystal); }
.c3c-carousel__btn svg { width: 16px; height: 16px; }
.c3c-carousel__btn:disabled { opacity: .3; pointer-events: none; }

@media (max-width: 768px) {
  .c3c-carousel__item { width: 78vw; }
  .c3c-carousel__nav { display: none; } /* en movil se usa el dedo, no flechas */
}

/* ----------------------------------------
   SOBRE NOSOTROS (seccion en home)
---------------------------------------- */
.c3c-about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.c3c-about__photo {
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg-alt);
}
.c3c-about__photo img { width: 100%; height: 100%; object-fit: cover; }
.c3c-about__text p { color: var(--muted); line-height: 1.8; margin-bottom: 14px; font-size: .96rem; }
.c3c-about__stats {
  display: flex;
  gap: 32px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.c3c-about__stat { display: flex; flex-direction: column; }
.c3c-about__stat strong {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--navy);
  font-weight: 400;
}
.c3c-about__stat span { font-size: .76rem; color: var(--muted); }

@media (max-width: 768px) {
  .c3c-about { grid-template-columns: 1fr; gap: 28px; }
}


.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ----------------------------------------
   RESPONSIVE
---------------------------------------- */
@media (min-width: 1600px) {
  :root { --inner-max: 1480px; }
}

@media (max-width: 1024px) {
  .c3c-svc-grid { grid-template-columns: repeat(2, 1fr); }
  .c3c-footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-py: 56px; }
  .c3c-menu { display: none; }
  .c3c-burger { display: flex; }
  .c3c-hero { min-height: 80vh; padding: 120px 0 56px; }
  .c3c-svc-grid { grid-template-columns: repeat(2, 1fr); gap: 20px 14px; }
  .c3c-work-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .c3c-gallery-masonry { grid-template-columns: repeat(2, 1fr); }
  .c3c-contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .c3c-footer__top { grid-template-columns: 1fr; gap: 24px; padding-bottom: 24px; margin-bottom: 18px; }
  .c3c-footer { padding: 40px 0 22px; }
  .c3c-footer__brand p { display: none; }
  .c3c-footer__col li { margin-bottom: 8px; }
  .c3c-footer__top .c3c-footer__col:nth-of-type(2) ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 16px;
  }
  .c3c-footer__bottom { flex-direction: column; text-align: center; }
  .c3c-fgrow { grid-template-columns: 1fr; }
  .c3c-sticky-cta { display: flex; }
  .c3c-topbar__contacts { display: none; }
  .c3c-topbar__social { margin-left: auto; }
}

@media (max-width: 480px) {
  .c3c-svc-grid { grid-template-columns: 1fr; }
  .c3c-work-grid { grid-template-columns: 1fr; }
  .c3c-gallery-masonry { grid-template-columns: 1fr; }
  .c3c-hero h1 { font-size: 2rem; }
  .c3c-hero__actions .btn--lg { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
  * { transition-duration: .01ms !important; }
}