/* ================================================
   STYLES.CSS — glasscor-design
   Diseño premium para empresa de vidrio arquitectónico
   ================================================ */

/* ── Variables ─────────────────────────────────── */
:root {
  --color-primary:      #0d1b2a;
  --color-primary-mid:  #1a2e44;
  --color-accent:       #1b88d8;
  --color-accent-dark:  #1467b0;
  --color-accent-light: #e8f4fd;
  --color-cta:          #f97316;
  --color-cta-dark:     #ea6a0a;
  --color-white:        #ffffff;
  --color-light:        #f1f5f9;
  --color-light-2:      #e8eef5;
  --color-text:         #1e293b;
  --color-text-muted:   #64748b;
  --color-border:       #e2e8f0;
  --color-success:      #16a34a;
  --color-error:        #dc2626;

  --font-main:    'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-heading: 'Montserrat', 'Inter', sans-serif;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.14);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.18);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --transition: .25s cubic-bezier(.4, 0, .2, 1);
  --transition-slow: .45s cubic-bezier(.4, 0, .2, 1);

  --max-width: 1200px;
  --section-py: 90px;
  --header-h: 72px;
}

/* ── Base ───────────────────────────────────────── */
body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-white);
  font-size: 1rem;
  line-height: 1.6;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

p { color: var(--color-text); }

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

.section-py { padding: var(--section-py) 0; }

/* ── Utilidades ─────────────────────────────────── */
.text-center { text-align: center; }
.text-white  { color: var(--color-white) !important; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── Botones ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
  cursor: pointer;
  letter-spacing: .02em;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(27,136,216,.35);
}

.btn-cta {
  background: var(--color-cta);
  color: var(--color-white);
  border-color: var(--color-cta);
}
.btn-cta:hover {
  background: var(--color-cta-dark);
  border-color: var(--color-cta-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249,115,22,.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-outline-dark:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ── Section header ─────────────────────────────── */
.section-header {
  margin-bottom: 56px;
}
.section-header .kicker {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
}
.section-header p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
}
.section-divider {
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  margin: 16px auto 0;
}
.section-divider.left { margin-left: 0; }

/* ── ===== HEADER / NAV ===== ─────────────────── */
#main-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: var(--transition);
}

#main-header.transparent {
  background: transparent;
}

#main-header.scrolled {
  background: rgba(13, 27, 42, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.nav-logo img {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu li a {
  display: block;
  padding: 8px 14px;
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.88);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--color-white);
  background: rgba(255,255,255,.1);
}

/* Dropdown */
.has-dropdown {
  position: relative;
}

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(8px);
  transition: var(--transition);
  z-index: 100;
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown li a {
  display: block;
  padding: 9px 20px;
  font-size: .88rem;
  color: var(--color-text) !important;
  background: transparent !important;
  border-radius: 0 !important;
  transition: var(--transition);
}

.dropdown li a:hover {
  background: var(--color-light) !important;
  color: var(--color-accent) !important;
  padding-left: 26px !important;
}

.dropdown-group-title {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 12px 20px 4px;
}

.nav-cta {
  margin-left: 12px;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── ===== HERO ===== ──────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/img/2020/11/factoria.jpg');
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero-bg.loaded { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 27, 42, 0.88) 0%,
    rgba(13, 27, 42, 0.65) 50%,
    rgba(27, 136, 216, 0.25) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: calc(var(--header-h) + 48px) 0 80px;
  max-width: 700px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.hero-kicker::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero h1 span {
  color: var(--color-accent);
}

.hero-lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.8);
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.5);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
  cursor: pointer;
}

.hero-scroll svg {
  width: 20px;
  height: 20px;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ── ===== STATS BAR ===== ─────────────────────── */
.stats-bar {
  background: var(--color-primary);
  padding: 36px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 16px 24px;
  border-right: 1px solid rgba(255,255,255,.1);
}
.stat-item:last-child { border-right: none; }

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: .85rem;
  color: rgba(255,255,255,.65);
  margin-top: 6px;
  font-weight: 500;
}

/* ── ===== SECTORES ===== ──────────────────────── */
.sectores {
  background: var(--color-light);
}

.sectores-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sector-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition-slow);
}

.sector-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.sector-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
}

.sector-card:hover .sector-card-bg {
  transform: scale(1.06);
}

.sector-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.1) 0%, rgba(13,27,42,.85) 100%);
  transition: var(--transition);
}

.sector-card:hover .sector-card-overlay {
  background: linear-gradient(180deg, rgba(0,0,0,.15) 0%, rgba(13,27,42,.9) 100%);
}

.sector-card-content {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  padding: 32px;
  transform: translateY(0);
  transition: var(--transition);
}

.sector-icon {
  width: 52px;
  height: 52px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.sector-icon svg {
  width: 26px;
  height: 26px;
  color: var(--color-white);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.sector-card h3 {
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: 8px;
}

.sector-card p {
  font-size: .9rem;
  color: rgba(255,255,255,.75);
  line-height: 1.55;
  margin-bottom: 16px;
  display: none;
  opacity: 0;
  transition: var(--transition);
}

.sector-card:hover p {
  display: block;
  opacity: 1;
}

.sector-card .sector-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: var(--transition);
}

.sector-card .sector-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.sector-card:hover .sector-link svg {
  transform: translateX(4px);
}

/* ── ===== ABOUT PREVIEW ===== ─────────────────── */
.about-preview {
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-main {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.about-badge {
  position: absolute;
  bottom: -28px;
  right: -28px;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 24px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.about-badge strong {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}
.about-badge span {
  font-size: .8rem;
  font-weight: 600;
  opacity: .9;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.about-text h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-bottom: 20px;
}

.about-text .lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  font-style: italic;
  border-left: 3px solid var(--color-accent);
  padding-left: 16px;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.75;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 28px 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9rem;
  color: var(--color-text-muted);
}

.feature-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── ===== MERCADOS ===== ───────────────────────── */
.mercados {
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.mercados::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(27,136,216,.12) 0%, transparent 70%);
  pointer-events: none;
}

.mercados .section-header .kicker { color: #60b3e8; }
.mercados .section-header h2 { color: var(--color-white); }
.mercados .section-header p { color: rgba(255,255,255,.6); }
.mercados .section-divider { background: var(--color-accent); }

.mercados-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}

.mercados-map img {
  width: 100%;
  border-radius: var(--radius-md);
  opacity: .85;
  filter: brightness(.9) contrast(1.1);
}

.mercados-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mercado-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.mercado-item:hover {
  background: rgba(27,136,216,.15);
  border-color: rgba(27,136,216,.3);
  transform: translateX(6px);
}

.mercado-flag {
  font-size: 1.8rem;
  line-height: 1;
}

.mercado-info strong {
  display: block;
  color: var(--color-white);
  font-size: .95rem;
  font-weight: 600;
}

.mercado-info span {
  font-size: .82rem;
  color: rgba(255,255,255,.5);
}

/* ── ===== CERTIFICACIONES ===== ───────────────── */
.certificaciones {
  background: var(--color-light);
}

.certs-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: .7;
  transition: var(--transition);
  filter: grayscale(100%);
}

.cert-item:hover {
  opacity: 1;
  filter: grayscale(0%);
  transform: scale(1.05);
}

.cert-item img {
  height: 80px;
  width: auto;
  object-fit: contain;
}

.cert-item span {
  font-size: .78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ── ===== CTA BANNER ===== ──────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  padding: 72px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-white);
  margin-bottom: 8px;
}

.cta-text p {
  font-size: 1rem;
  color: rgba(255,255,255,.8);
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}

/* ── ===== FOOTER ===== ───────────────────────── */
.site-footer {
  background: var(--color-primary);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand img {
  height: 42px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: .88rem;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.65);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
}

.footer-col h4 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 20px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a {
  font-size: .88rem;
  color: rgba(255,255,255,.55);
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .88rem;
  color: rgba(255,255,255,.55);
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

.footer-contact-item a {
  color: rgba(255,255,255,.55);
  transition: var(--transition);
}

.footer-contact-item a:hover { color: var(--color-accent); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: .82rem;
  color: rgba(255,255,255,.35);
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  font-size: .82rem;
  color: rgba(255,255,255,.35);
  transition: var(--transition);
}

.footer-legal a:hover {
  color: rgba(255,255,255,.7);
}

/* ── ===== PAGE HERO (interior pages) ===== ────── */
.page-hero {
  padding: calc(var(--header-h) + 56px) 0 56px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0; right: 0;
  height: 60px;
  background: var(--color-white);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .2;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-hero-content .kicker {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.page-hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-white);
  margin-bottom: 14px;
}

.page-hero-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.7);
  max-width: 600px;
  margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: rgba(255,255,255,.45);
  margin-bottom: 20px;
  justify-content: center;
}

.breadcrumb a { color: rgba(255,255,255,.6); transition: var(--transition); }
.breadcrumb a:hover { color: var(--color-white); }
.breadcrumb span { color: rgba(255,255,255,.35); }

/* ── ===== PRODUCTS PAGE ===== ─────────────────── */
.product-section {
  padding: var(--section-py) 0;
}

.product-section:nth-child(even) {
  background: var(--color-light);
}

.product-section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.product-section-icon {
  width: 56px;
  height: 56px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.product-section-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.product-section-title h2 {
  font-size: 1.8rem;
  margin-bottom: 4px;
}

.product-section-title p {
  font-size: .9rem;
  color: var(--color-text-muted);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-light);
}

.product-card-img {
  height: 200px;
  background: var(--color-light);
  overflow: hidden;
  position: relative;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-img img {
  transform: scale(1.08);
}

.product-card-body {
  padding: 20px;
}

.product-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.product-card p {
  font-size: .85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.product-card-footer {
  padding: 0 20px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.product-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.product-more {
  font-size: .78rem;
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
  transition: var(--transition);
}

.product-card:hover .product-more {
  color: var(--color-cta);
}

.product-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: var(--color-accent-light);
  color: var(--color-accent);
  padding: 4px 10px;
  border-radius: 20px;
}

/* ── ===== ABOUT PAGE ===== ──────────────────── */
.about-section {
  padding: var(--section-py) 0;
}

.about-full-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-full-grid.reverse {
  direction: rtl;
}

.about-full-grid.reverse > * {
  direction: ltr;
}

.about-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-text-block h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  margin-bottom: 16px;
}

.about-text-block p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

.cert-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.cert-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.cert-card img {
  height: 100px;
  width: auto;
  object-fit: contain;
  margin: 0 auto 12px;
}

.cert-card h4 {
  font-size: .85rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.cert-card p {
  font-size: .78rem;
  color: var(--color-text-muted);
}

/* ── ===== CONTACT PAGE ===== ──────────────────── */
.contact-section {
  padding: var(--section-py) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}

.contact-info h2 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.contact-info .lead {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.contact-detail-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.contact-detail {
  display: flex;
  gap: 14px;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.contact-detail-text strong {
  display: block;
  font-size: .85rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 2px;
}

.contact-detail-text p,
.contact-detail-text a {
  font-size: .95rem;
  color: var(--color-text-muted);
}

.contact-detail-text a:hover { color: var(--color-accent); }

.contact-hours {
  background: var(--color-light);
  border-radius: var(--radius-md);
  padding: 20px;
}

.contact-hours h4 {
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.hours-row {
  display: flex;
  justify-content: space-between;
  font-size: .88rem;
  color: var(--color-text-muted);
  padding: 4px 0;
  border-bottom: 1px solid var(--color-border);
}

.hours-row:last-child { border-bottom: none; }

.hours-row .open { color: var(--color-success); font-weight: 600; }
.hours-row .closed { color: var(--color-error); }

/* ── ===== FORM ===== ─────────────────────────── */
.contact-form-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.contact-form-wrap h3 {
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.contact-form-wrap .form-subtitle {
  font-size: .9rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

label .required {
  color: var(--color-error);
  margin-left: 3px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: .92rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: var(--transition);
  appearance: none;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(27,136,216,.12);
}

input.error, textarea.error {
  border-color: var(--color-error);
}

.field-error {
  display: block;
  font-size: .78rem;
  color: var(--color-error);
  margin-top: 4px;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--color-accent);
  margin-top: 2px;
  cursor: pointer;
}

.checkbox-group label {
  font-size: .84rem;
  font-weight: 400;
  color: var(--color-text-muted);
  cursor: pointer;
  margin-bottom: 0;
}

.checkbox-group label a {
  color: var(--color-accent);
  text-decoration: underline;
}

.form-note {
  font-size: .78rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 32px;
}

.form-success svg {
  width: 56px;
  height: 56px;
  color: var(--color-success);
  margin: 0 auto 16px;
}

.form-success h3 { color: var(--color-success); }

/* ── ===== LEGAL PAGES ===== ──────────────────── */
.legal-section {
  padding: 60px 0 var(--section-py);
}

.legal-content {
  max-width: 820px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin: 36px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-light-2);
}

.legal-content h2:first-child { margin-top: 0; }

.legal-content h3 {
  font-size: 1.1rem;
  margin: 24px 0 8px;
  color: var(--color-primary-mid);
}

.legal-content p {
  color: var(--color-text-muted);
  margin-bottom: 14px;
  line-height: 1.8;
}

.legal-content ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 14px;
}

.legal-content ul li {
  color: var(--color-text-muted);
  margin-bottom: 6px;
  line-height: 1.7;
}

.legal-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: .88rem;
}

.legal-content table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
}

.legal-content table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.legal-content table tr:nth-child(even) td {
  background: var(--color-light);
}

.legal-box {
  background: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin-bottom: 20px;
}

.legal-box p { color: var(--color-text); margin-bottom: 0; }

/* ── ===== COOKIES BANNER ===== ─────────────────── */
#cookies-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9999;
  background: rgba(13, 27, 42, 0.97);
  backdrop-filter: blur(12px);
  padding: 20px 24px;
  transform: translateY(100%);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
  border-top: 1px solid rgba(255,255,255,.1);
}

#cookies-banner.visible {
  transform: translateY(0);
}

.cookies-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cookies-text {
  flex: 1;
  min-width: 280px;
}

.cookies-text p {
  font-size: .88rem;
  color: rgba(255,255,255,.75);
  line-height: 1.5;
}

.cookies-text a {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookies-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.cookies-actions .btn {
  padding: 10px 20px;
  font-size: .85rem;
}

.btn-cookies-accept {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-cookies-reject {
  background: transparent;
  color: rgba(255,255,255,.7);
  border-color: rgba(255,255,255,.25);
}

.btn-cookies-config {
  background: transparent;
  color: rgba(255,255,255,.55);
  border-color: transparent;
  font-size: .8rem;
  text-decoration: underline;
  padding: 10px 12px;
}

/* Cookie preferences modal */
#cookies-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

#cookies-modal.open {
  display: flex;
}

.cookies-modal-box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.cookies-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.cookies-modal-header h3 { font-size: 1.3rem; }

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--color-light);
  color: var(--color-text);
}

.cookie-category {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.cookie-category:last-child { border-bottom: none; }

.cookie-cat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.cookie-cat-header strong {
  font-size: .95rem;
  color: var(--color-primary);
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-border);
  border-radius: 24px;
  transition: var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: var(--color-white);
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.toggle input:checked + .toggle-slider {
  background: var(--color-accent);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.toggle input:disabled + .toggle-slider {
  background: var(--color-accent);
  opacity: .6;
  cursor: not-allowed;
}

.cookie-cat-desc {
  font-size: .83rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.cookies-modal-footer {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  justify-content: flex-end;
}

/* ── ===== FLOAT CONTACT GROUP ===== ──────────── */
.float-contact-group {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.float-btn svg {
  width: 30px;
  height: 30px;
  fill: var(--color-white);
}

.float-wa {
  background: #25d366;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  animation: pulse-wa 2.5s infinite;
}

.float-wa:hover {
  background: #1ebe5c;
  transform: scale(1.08);
}

.float-tg {
  background: #2aabee;
  box-shadow: 0 4px 20px rgba(42,171,238,.4);
  animation: pulse-tg 2.5s infinite 1.25s;
}

.float-tg:hover {
  background: #1a9fd8;
  transform: scale(1.08);
}

@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,.4); }
  50%       { box-shadow: 0 4px 30px rgba(37,211,102,.7); }
}

@keyframes pulse-tg {
  0%, 100% { box-shadow: 0 4px 20px rgba(42,171,238,.4); }
  50%       { box-shadow: 0 4px 30px rgba(42,171,238,.7); }
}

/* ── ===== ANIMATIONS ===== ──────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: .1s; }
.fade-in-delay-2 { transition-delay: .2s; }
.fade-in-delay-3 { transition-delay: .3s; }
.fade-in-delay-4 { transition-delay: .4s; }

/* ══════════════════════════════════════════════════
   MEJORAS DE LAYOUT v2 (L1–L20)
   ══════════════════════════════════════════════════ */

/* ── L1: Skip-link (saltar al contenido) ─────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  padding: 12px 24px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .9rem;
  z-index: 9999;
  text-decoration: none;
  transition: top .2s;
  white-space: nowrap;
}
.skip-link:focus { top: 8px; }

/* ── L2: Back-to-top button ──────────────────────── */
#back-to-top {
  position: fixed;
  bottom: 112px;
  right: 28px;
  z-index: 890;
  width: 44px;
  height: 44px;
  background: rgba(26,46,68,.9);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .3s, transform .3s, background .2s;
  pointer-events: none;
  color: var(--color-white);
  backdrop-filter: blur(8px);
}
#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
#back-to-top:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-3px);
}
#back-to-top svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── L3: Dropdown chevron rotation ──────────────── */
.has-dropdown > a svg {
  transition: transform var(--transition);
  flex-shrink: 0;
}
.has-dropdown:hover > a svg,
.has-dropdown:focus-within > a svg,
.has-dropdown.open > a svg {
  transform: rotate(180deg);
}

/* ── L4: Nav active — underline indicator ─────────── */
.nav-menu > li > a.active {
  background: rgba(255,255,255,.12) !important;
  box-shadow: inset 0 -2px 0 var(--color-accent);
}

/* ── L5: Global focus-visible ring ──────────────── */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
:focus:not(:focus-visible) { outline: none; }

/* ── L6: Custom scrollbar ────────────────────────── */
::-webkit-scrollbar        { width: 8px; }
::-webkit-scrollbar-track  { background: var(--color-light); }
::-webkit-scrollbar-thumb  {
  background: var(--color-primary-mid);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }

/* ── L7: Heading letter-spacing ──────────────────── */
h1, h2 { letter-spacing: -.025em; }
h3      { letter-spacing: -.01em;  }

/* ── L8: Prevenir scroll horizontal en móvil ─────── */
body { overflow-x: hidden; }

/* ── L9: Card hover lift ─────────────────────────── */
.product-card,
.sector-card,
.cert-card {
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.sector-card:hover  { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.cert-card:hover    { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* ── L10: GPU acceleration para botones flotantes ── */
.float-contact-group,
.float-btn { will-change: transform; }

/* ── L11: Page-hero — overlay para legibilidad ─────── */
.page-hero {
  min-height: 280px;
  display: flex;
  align-items: center;
  position: relative;
}
.page-hero .container    { position: relative; z-index: 1; }
.page-hero-content       { position: relative; z-index: 1; }

/* ── L12: Botones — efecto press ─────────────────── */
.btn:active { transform: translateY(0) scale(.97); }

/* ── L13: Separador visual en grupos del dropdown ── */
.dropdown li:has(> .dropdown-group-title):not(:first-child) {
  border-top: 1px solid var(--color-border);
  margin-top: 4px;
  padding-top: 4px;
}

/* ── L14: Gallery images — hover zoom + cursor ────── */
.product-gallery img,
.gallery-grid img {
  transition: transform var(--transition-slow), box-shadow var(--transition);
  border-radius: var(--radius-sm);
  cursor: zoom-in;
}
.product-gallery img:hover,
.gallery-grid img:hover {
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}

/* ── L15: Lightbox overlay ─────────────────────────── */
#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
}
#lightbox.open  { opacity: 1; visibility: visible; }
#lightbox .lb-img {
  max-width: 90vw;
  max-height: 86vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
}
#lightbox .lb-close {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 2.2rem;
  color: var(--color-white);
  background: rgba(255,255,255,.1);
  border: none;
  cursor: pointer;
  line-height: 1;
  padding: 2px 12px 4px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
#lightbox .lb-close:hover { background: rgba(255,255,255,.25); }

/* ── L16: Spec tables ─────────────────────────────── */
.spec-table,
.product-detail-grid table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
.spec-table th,
.product-detail-grid table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 10px 16px;
  text-align: left;
  font-size: .74rem;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.spec-table td,
.product-detail-grid table td {
  padding: 9px 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.spec-table tr:last-child td,
.product-detail-grid table tr:last-child td { border-bottom: none; }
.spec-table tr:nth-child(even) td          { background: var(--color-light); }

/* ── L17: Header scrolled — sombra reforzada ─────── */
#main-header.scrolled {
  box-shadow: 0 4px 32px rgba(0,0,0,.32) !important;
}

/* ── L18: Kicker global ──────────────────────────── */
.kicker {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

/* ── L19: Imágenes — alineación y max-width ─────── */
img { vertical-align: middle; max-width: 100%; }

/* ── L20: Print — ocultar elementos UI flotantes ─── */
@media print {
  .skip-link,
  #back-to-top,
  .float-contact-group,
  #cookies-banner,
  #cookies-modal,
  #lightbox,
  .hero-scroll,
  .nav-hamburger { display: none !important; }

  body { overflow: visible; }
  #main-header { position: static; }
  a[href]::after { content: " (" attr(href) ")"; font-size: .75em; color: #555; }
}

/* ── Product check-list ─────────────────────────── */
.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-list li {
  position: relative;
  padding: 6px 0 6px 28px;
  border-bottom: 1px solid var(--color-border, #e5e7eb);
  font-size: .92rem;
  line-height: 1.5;
}

.check-list li:last-child { border-bottom: none; }

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--color-accent);
  font-weight: 700;
  font-size: .9rem;
}