/* ============================================
   COMFORT AIRE — CSS Principal
   Paleta: #0A1F44 (azul oscuro) | #00AEEF (azul claro) | #fff | #f0f4f8 | #1a2e52
   Fuentes: Barlow Condensed (display) + DM Sans (cuerpo)
   ============================================ */

/* === VARIABLES === */
:root {
  --navy:      #0A1F44;
  --navy-mid:  #122551;
  --navy-dark: #071530;
  --blue:      #00AEEF;
  --blue-glow: #00c8ff;
  --blue-dim:  #0090cc;
  --white:     #ffffff;
  --off-white: #f0f5fa;
  --gray:      #8898aa;
  --gray-lt:   #d0dbe8;
  --dark-card: #0e2045;

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --radius:   12px;
  --radius-lg: 20px;
  --shadow:   0 8px 40px rgba(0,0,0,.18);
  --shadow-card: 0 4px 24px rgba(0,174,239,.1);

  --header-h: 72px;
  --transition: .3s 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(--white);
  background: var(--navy-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy-dark); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

/* === HELPERS === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hidden-mobile { display: block; }

/* === REVEAL ANIMATION === */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delays en cascada para tarjetas */
.cards-grid .service-card:nth-child(1) { transition-delay: .05s; }
.cards-grid .service-card:nth-child(2) { transition-delay: .15s; }
.cards-grid .service-card:nth-child(3) { transition-delay: .25s; }
.cards-grid .service-card:nth-child(4) { transition-delay: .35s; }

/* === BOTONES === */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--blue);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0,174,239,.35);
}
.btn-primary:hover {
  background: var(--blue-glow);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,174,239,.5);
}
.btn-primary.large { padding: 18px 40px; font-size: 1.1rem; }
.btn-primary.full { width: 100%; justify-content: center; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,.4);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* === SECTION TAGS / HEADERS === */
.section-tag {
  display: inline-block;
  background: rgba(0,174,239,.15);
  color: var(--blue);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(0,174,239,.3);
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -.02em;
}
.section-header p {
  color: var(--gray);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===================================
   HEADER
=================================== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(10,31,68,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,174,239,.1);
  transition: background var(--transition), box-shadow var(--transition);
}
#header.scrolled {
  background: rgba(7,21,48,.97);
  box-shadow: 0 4px 30px rgba(0,0,0,.3);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Logo */
.logo-wrap { display: flex; align-items: center; }
.logo-placeholder {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.logo-icon {
  font-size: 1.8rem;
  filter: drop-shadow(0 0 8px var(--blue));
  transition: filter var(--transition);
}
.logo-placeholder:hover .logo-icon { filter: drop-shadow(0 0 16px var(--blue-glow)); }
.logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .05em;
}
.logo-text strong {
  color: var(--blue);
  font-weight: 800;
}
.footer-logo .logo-text { font-size: 1.2rem; }

/* Nav */
#main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
#main-nav a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: .95rem;
  color: rgba(255,255,255,.75);
  padding: 8px 14px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
#main-nav a:hover {
  color: var(--white);
  background: rgba(255,255,255,.08);
}

.btn-wa-header {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #25d366;
  color: var(--white);
  font-weight: 600;
  font-size: .9rem;
  padding: 9px 18px;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-wa-header svg { width: 18px; height: 18px; }
.btn-wa-header:hover { background: #1ebe5a; transform: translateY(-1px); }

/* Hamburguesa */
#menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
#menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
#menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#menu-toggle.open span:nth-child(2) { opacity: 0; }
#menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================================
   HERO
=================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: calc(var(--header-h) + 40px) 24px 40px;
  overflow: hidden;
}

/* Fondo placeholder con textura industrial */
.hero-bg-placeholder {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, var(--navy-dark) 0%, #0d2a56 60%, #0a1f44 100%);
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(0,174,239,.18) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(0,174,239,.08) 0%, transparent 50%);
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,174,239,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,174,239,.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 880px;
}

.hero-badge {
  display: inline-block;
  background: rgba(0,174,239,.15);
  color: var(--blue);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 7px 20px;
  border-radius: 100px;
  border: 1px solid rgba(0,174,239,.35);
  margin-bottom: 28px;
  transition-delay: .1s;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin-bottom: 24px;
  transition-delay: .2s;
}
.hero-title em {
  font-style: normal;
  color: var(--blue);
  position: relative;
}
.hero-title em::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), transparent);
  border-radius: 2px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.7);
  line-height: 1.7;
  margin-bottom: 40px;
  transition-delay: .3s;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  transition-delay: .4s;
}

/* Stats en la base del hero */
.hero-stats {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 60px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 24px 48px;
  transition-delay: .5s;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  white-space: nowrap;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,.15);
}

/* ===================================
   SERVICIOS
=================================== */
.services {
  padding: 120px 0;
  background: var(--navy-dark);
}

.services-category {
  margin-bottom: 72px;
}
.services-category:last-child { margin-bottom: 0; }

.category-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(0,174,239,.15);
}
.cat-icon { font-size: 1.8rem; }
.category-label h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--white);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* Tarjetas de servicio */
.service-card {
  background: var(--dark-card);
  border: 1px solid rgba(0,174,239,.12);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--blue), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,174,239,.18);
  border-color: rgba(0,174,239,.35);
  background: #112348;
}
.service-card:hover::before { transform: scaleX(1); }

.card-icon {
  width: 56px;
  height: 56px;
  background: rgba(0,174,239,.12);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--blue);
  transition: background var(--transition), transform var(--transition);
}
.card-icon svg { width: 28px; height: 28px; }
.service-card:hover .card-icon {
  background: rgba(0,174,239,.25);
  transform: scale(1.1) rotate(3deg);
}

.service-card h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: 10px;
  color: var(--white);
}
.service-card p {
  font-size: .9rem;
  color: var(--gray);
  line-height: 1.65;
}

/* ===================================
   GALERÍA / PROYECTOS
=================================== */
.gallery {
  padding: 120px 0;
  background: linear-gradient(180deg, var(--navy-dark) 0%, var(--navy) 100%);
}

.gallery-filters {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 9px 20px;
  border: 1px solid rgba(0,174,239,.25);
  background: transparent;
  color: rgba(255,255,255,.65);
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 500;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(0,174,239,.4);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 260px;
  gap: 16px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
}
.gallery-item.large { grid-column: span 2; }

/* Imágenes reales dentro del grid */
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .45s ease;
}
.gallery-item:hover img { transform: scale(1.06); }

.gallery-placeholder {
  width: 100%;
  height: 100%;
  background: var(--dark-card);
  border: 2px dashed rgba(0,174,239,.25);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: border-color var(--transition), background var(--transition);
}
.ph-icon { font-size: 2.5rem; opacity: .6; }
.ph-icon.big { font-size: 4rem; }
.ph-label {
  font-size: .8rem;
  color: var(--gray);
  text-align: center;
  padding: 0 16px;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.85) 0%, rgba(0,0,0,.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-item:hover .gallery-placeholder {
  background: #112348;
  border-color: var(--blue);
  transform: scale(1.03);
  transition: transform .4s ease;
}
.gallery-overlay h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.gallery-overlay p { font-size: .8rem; color: rgba(255,255,255,.75); }

/* Ocultar items filtrados */
.gallery-item.hidden {
  display: none;
}

/* ===================================
   SOBRE NOSOTROS
=================================== */
.about {
  padding: 120px 0;
  background: var(--navy);
}

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

.about-image {
  position: relative;
}
.about-img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--dark-card);
  border: 2px dashed rgba(0,174,239,.25);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.about-badge-float {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--blue);
  border-radius: var(--radius);
  padding: 16px 20px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0,174,239,.4);
}
.badge-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}
.badge-text {
  font-size: .75rem;
  line-height: 1.3;
  opacity: .85;
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  margin-bottom: 20px;
}
.about-text > p {
  color: var(--gray);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-features {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.about-features li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.feat-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: rgba(0,174,239,.15);
  color: var(--blue);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  margin-top: 2px;
}
.about-features li > div strong {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}
.about-features li > div p {
  font-size: .9rem;
  color: var(--gray);
}

/* ===================================
   CTA
=================================== */
.cta-section {
  position: relative;
  overflow: hidden;
}
.cta-inner {
  background: linear-gradient(135deg, #0d3060 0%, var(--navy) 50%, #072040 100%);
  border-top: 1px solid rgba(0,174,239,.2);
  border-bottom: 1px solid rgba(0,174,239,.2);
  padding: 100px 24px;
  text-align: center;
  position: relative;
}
.cta-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,174,239,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,174,239,.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}
.cta-tag {
  display: inline-block;
  background: rgba(0,174,239,.15);
  color: var(--blue);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(0,174,239,.3);
  margin-bottom: 20px;
}
.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.cta-content p {
  color: rgba(255,255,255,.7);
  font-size: 1.05rem;
  margin-bottom: 36px;
}

/* ===================================
   CONTACTO
=================================== */
.contact {
  padding: 120px 0;
  background: var(--navy-dark);
}

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

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--dark-card);
  border: 1px solid rgba(0,174,239,.12);
  border-radius: var(--radius);
  margin-bottom: 16px;
  transition: border-color var(--transition), transform var(--transition);
}
.contact-card:hover {
  border-color: rgba(0,174,239,.35);
  transform: translateX(4px);
}
.contact-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(0,174,239,.15);
  color: var(--blue);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-icon svg { width: 22px; height: 22px; }
.contact-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.contact-card p {
  font-size: .9rem;
  color: var(--gray);
  margin-bottom: 6px;
}
.contact-link {
  font-size: .9rem;
  color: var(--blue);
  font-weight: 600;
  transition: color var(--transition);
}
.contact-link:hover { color: var(--blue-glow); }

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}
.social-btn {
  width: 42px;
  height: 42px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.social-btn svg { width: 18px; height: 18px; }
.social-btn:hover {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
  transform: translateY(-3px);
}

/* Formulario */
.contact-form {
  background: var(--dark-card);
  border: 1px solid rgba(0,174,239,.12);
  border-radius: var(--radius-lg);
  padding: 36px;
}

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

.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: .95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,.3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,174,239,.15);
}
.form-group select option { background: var(--navy-mid); color: var(--white); }
.form-group textarea { resize: vertical; min-height: 120px; }

.form-feedback {
  margin-top: 16px;
  font-size: .9rem;
  text-align: center;
  min-height: 24px;
}
.form-feedback.success { color: #4ade80; }
.form-feedback.error { color: #f87171; }

/* ===================================
   FOOTER
=================================== */
.footer {
  background: var(--navy-dark);
  border-top: 1px solid rgba(0,174,239,.1);
}

.footer-top {
  padding: 72px 0 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
}
.footer-brand p {
  color: var(--gray);
  font-size: .9rem;
  line-height: 1.7;
  margin: 16px 0 24px;
  max-width: 300px;
}

.footer-links h5,
.footer-contact-col h5 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  color: var(--gray);
  font-size: .9rem;
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
}
.footer-links a:hover { color: var(--blue); }

.footer-contact-col p {
  font-size: .9rem;
  color: var(--gray);
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p {
  color: var(--gray);
  font-size: .85rem;
}

.footer-credit-link {
  color: var(--blue);
  font-weight: 600;
  transition: color var(--transition), text-shadow var(--transition);
}
.footer-credit-link:hover {
  color: var(--blue-glow);
  text-shadow: 0 0 12px rgba(0,174,239,.5);
}

/* ===================================
   BOTÓN FLOTANTE WHATSAPP
=================================== */
.float-wa {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 900;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: 0 6px 24px rgba(37,211,102,.5);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: wa-pulse 2.5s infinite;
}
.float-wa svg { width: 30px; height: 30px; }
.float-wa:hover {
  transform: scale(1.12);
  box-shadow: 0 10px 36px rgba(37,211,102,.7);
  animation: none;
}
.float-wa-tooltip {
  position: absolute;
  right: 70px;
  background: rgba(0,0,0,.8);
  color: var(--white);
  font-size: .8rem;
  white-space: nowrap;
  padding: 6px 12px;
  border-radius: 8px;
  pointer-events: none;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity var(--transition), transform var(--transition);
}
.float-wa:hover .float-wa-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(37,211,102,.5); }
  50% { box-shadow: 0 6px 36px rgba(37,211,102,.85); }
}

/* ===================================
   BOTÓN VOLVER ARRIBA
=================================== */
#back-to-top {
  position: fixed;
  bottom: 108px;
  right: 32px;
  z-index: 900;
  width: 44px;
  height: 44px;
  background: rgba(0,174,239,.15);
  border: 1px solid rgba(0,174,239,.3);
  border-radius: 12px;
  color: var(--blue);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}
#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
#back-to-top:hover { background: rgba(0,174,239,.3); }
#back-to-top svg { width: 20px; height: 20px; }

/* ===================================
   RESPONSIVE
=================================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-image { max-width: 520px; margin: 0 auto; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item.large { grid-column: span 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { order: 2; }
  .contact-form { order: 1; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  /* Nav mobile */
  #main-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(7,21,48,.98);
    backdrop-filter: blur(16px);
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid rgba(0,174,239,.15);
  }
  #main-nav.open { display: flex; }
  #main-nav a { padding: 12px 16px; font-size: 1rem; }

  .btn-wa-header { display: none; }
  #menu-toggle { display: flex; }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
    padding: 24px;
  }
  .stat-divider { width: 80px; height: 1px; }

  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item.large { grid-column: span 2; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; text-align: center; }

  .form-row { grid-template-columns: 1fr; }

  .contact-form { padding: 24px; }

  .hidden-mobile { display: none; }

  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-ctas .btn-primary,
  .hero-ctas .btn-outline { width: 100%; max-width: 320px; justify-content: center; }

  .about-badge-float { bottom: -12px; right: -8px; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.large { grid-column: span 1; }

  .services { padding: 80px 0; }
  .gallery, .about, .contact { padding: 80px 0; }

  .cards-grid { grid-template-columns: 1fr; }

  .float-wa { bottom: 20px; right: 20px; width: 52px; height: 52px; }
  #back-to-top { bottom: 88px; right: 20px; }
}

/* ===================================
   COBERTURA (SEO Local)
=================================== */
.coverage {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 420px));
  gap: 20px;
  margin-bottom: 56px;
  justify-content: center;
}

.coverage-card {
  background: var(--dark-card);
  border: 1px solid rgba(0,174,239,.12);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.coverage-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0,174,239,.35);
  box-shadow: 0 12px 36px rgba(0,174,239,.12);
}
.coverage-icon {
  display: block;
  font-size: 2rem;
  margin-bottom: 14px;
}
.coverage-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 10px;
}
.coverage-card p {
  font-size: .88rem;
  color: var(--gray);
  line-height: 1.6;
}

/* Mapa placeholder */
.map-placeholder {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px dashed rgba(0,174,239,.25);
}
.map-ph-inner {
  min-height: 320px;
  background: var(--dark-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px;
}
/* Cuando agregues el iframe de Google Maps, simplemente reemplaza el div.map-placeholder */
.map-placeholder iframe {
  width: 100%;
  height: 400px;
  border: 0;
  display: block;
}

/* Responsive cobertura */
@media (max-width: 1024px) {
  .coverage-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .coverage-grid { grid-template-columns: 1fr; }
  .coverage { padding: 70px 0; }
}

/* ===================================
   LOGO REAL (imagen con fondo negro)
   mix-blend-mode: screen elimina el negro
=================================== */
.logo-img {
  height: 68px;
  width: auto;
  object-fit: contain;
  transition: filter var(--transition), transform var(--transition);
  display: block;
  filter: drop-shadow(0 0 4px rgba(0,174,239,.3));
}
.logo-wrap:hover .logo-img {
  filter: drop-shadow(0 0 12px rgba(0,174,239,.7)) brightness(1.1);
  transform: scale(1.04);
}
.footer-logo-img {
  height: 64px;
  margin-bottom: 16px;
}

/* ===================================
   TARJETAS CLICABLES – Indicador visual
=================================== */
.card-clickable {
  cursor: pointer;
  user-select: none;
}
.card-clickable:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}
.card-cta-hint {
  display: inline-block;
  margin-top: 14px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: .04em;
  transition: color var(--transition), transform var(--transition);
}
.card-clickable:hover .card-cta-hint {
  color: var(--blue-glow);
  transform: translateX(4px);
}

/* ===================================
   MODAL DE SERVICIO
=================================== */
.svc-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  pointer-events: none;
  visibility: hidden;
}
.svc-modal.open {
  pointer-events: all;
  visibility: visible;
}

/* Fondo oscuro */
.svc-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 10, 26, 0.88);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity .35s ease;
}
.svc-modal.open .svc-modal-backdrop { opacity: 1; }

/* Caja del modal */
.svc-modal-box {
  position: relative;
  z-index: 1;
  background: #0e2045;
  border: 1px solid rgba(0,174,239,.25);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 32px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(0,174,239,.1);
  opacity: 0;
  transform: translateY(24px) scale(.97);
  transition: opacity .35s ease, transform .35s ease;
}
.svc-modal.open .svc-modal-box {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Botón cerrar */
.svc-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px;
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.svc-modal-close svg { width: 18px; height: 18px; }
.svc-modal-close:hover {
  background: rgba(255,255,255,.16);
  border-color: rgba(255,255,255,.3);
  transform: rotate(90deg);
}

/* Layout imagen + texto */
.svc-modal-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 380px;
}

/* Zona de imagen */
.svc-modal-media {
  background: #071530;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  overflow: hidden;
}
.svc-modal-img-wrap {
  width: 100%;
  height: 100%;
  min-height: 300px;
  position: relative;
}
.svc-modal-ph {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: #071530;
  border: 2px dashed rgba(0,174,239,.2);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  text-align: center;
  padding: 24px;
}
#modal-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

/* Zona de texto */
.svc-modal-content {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}
.svc-modal-content #modal-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--white);
}
.svc-modal-content #modal-desc {
  font-size: .97rem;
  color: rgba(255,255,255,.72);
  line-height: 1.75;
}
.svc-modal-content .btn-primary {
  align-self: flex-start;
  margin-top: 8px;
}

/* Scrollbar del modal */
.svc-modal-box::-webkit-scrollbar { width: 5px; }
.svc-modal-box::-webkit-scrollbar-track { background: transparent; }
.svc-modal-box::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

/* Responsive modal */
@media (max-width: 680px) {
  .svc-modal-inner {
    grid-template-columns: 1fr;
  }
  .svc-modal-media {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    min-height: 200px;
  }
  .svc-modal-img-wrap { min-height: 200px; }
  .svc-modal-ph {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  #modal-img {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  .svc-modal-content {
    padding: 28px 24px;
  }
  .svc-modal { padding: 12px; }
}

/* ===================================
   TRANSICIÓN IMAGEN DEL MODAL
=================================== */
#modal-img {
  transition: opacity .25s ease;
}
#modal-img.fading { opacity: 0; }

/* ===================================
   HERO — LOGO CANVAS + FRASES ACUMULATIVAS + COPOS
=================================== */

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

/* Logo via mix-blend-mode: screen — el negro del PNG desaparece sobre fondo oscuro */
.hero-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
  transition-delay: .1s;
}
.hero-logo-img {
  width: clamp(240px, 38vw, 460px);
  height: auto;
  display: block;
  filter: drop-shadow(0 0 28px rgba(0,174,239,.55));
  animation: hero-logo-float 5s ease-in-out infinite;
}
@keyframes hero-logo-float {
  0%, 100% { transform: translateY(0);    filter: drop-shadow(0 0 28px rgba(0,174,239,.55)); }
  50%       { transform: translateY(-9px); filter: drop-shadow(0 0 48px rgba(0,174,239,.85)); }
}

/* Bloque de frases acumulativas */
.hero-phrases {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 36px;
  min-height: 160px;
}
.hero-phrase {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.15rem, 2.6vw, 1.65rem);
  font-weight: 700;
  letter-spacing: .01em;
  color: rgba(255,255,255,.95);
  text-align: center;
  margin: 0;
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity .6s ease, transform .6s cubic-bezier(.22,1,.36,1);
}
.hero-phrase.visible {
  opacity: 1;
  transform: translateX(0);
}
.hero-phrase em {
  font-style: normal;
  color: var(--blue);
}

/* Botones del hero — ocultos hasta que aparecen todas las frases */
#heroCtas {
  opacity: 0;
  transition: opacity .6s ease;
}
#heroCtas.show {
  opacity: 1;
}

/* ── COPOS DE NIEVE ── */
.snowflakes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}
.snowflake {
  position: absolute;
  top: -60px;
  user-select: none;
  animation: snow-fall linear infinite, snow-sway ease-in-out infinite;
  will-change: transform;
}
@keyframes snow-fall {
  0%   { top: -60px; opacity: 0; }
  5%   { opacity: 1; }
  90%  { opacity: .75; }
  100% { top: 110%; opacity: 0; }
}
@keyframes snow-sway {
  0%, 100% { margin-left: 0; }
  25%       { margin-left: 26px; }
  75%       { margin-left: -26px; }
}

.hero-content { position: relative; z-index: 2; }
.hero-stats    { position: relative; z-index: 2; }

/* Responsive */
@media (max-width: 600px) {
  .hero-logo-canvas { width: clamp(190px, 72vw, 300px); }
  .hero-phrase { font-size: 1.05rem; padding: 0 12px; }
  .hero-phrases { min-height: 180px; gap: 8px; }
}