/* ================================================
   SANITARIA DEL PLATA — Landing Page Styles
   Mobile-first, Professional Design
   ================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand Colors */
  --blue-primary: #20539A;
  --blue-dark: #123E74;
  --blue-deeper: #0D2E58;
  --white: #FFFFFF;
  --graphite: #222D37;
  --graphite-light: #2D3A47;
  --yellow-accent: #F5B923;
  --yellow-dark: #D9A31F;
  --green-wa: #25D366;
  --green-wa-dark: #1DA851;

  /* Neutrals */
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 100px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.15), 0 8px 16px rgba(0,0,0,0.08);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Header height */
  --header-h: 64px;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--graphite);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ---------- Shared Section Styles ---------- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue-primary);
  background: rgba(32, 83, 154, 0.08);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.section-label--light {
  color: var(--yellow-accent);
  background: rgba(245, 185, 35, 0.15);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 800;
  color: var(--graphite);
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.section-title--light {
  color: var(--white);
}

.section-desc {
  font-size: 1rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--wa {
  background: var(--green-wa);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}
.btn--wa:hover {
  background: var(--green-wa-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
}

.btn--primary {
  background: var(--blue-primary);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(32, 83, 154, 0.3);
}
.btn--primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(32, 83, 154, 0.4);
}

.btn--outline {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(4px);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 2px solid transparent;
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
}

.btn--ingco {
  background: #F5A623;
  color: var(--graphite);
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(245, 166, 35, 0.3);
}
.btn--ingco:hover {
  background: #E09510;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(245, 166, 35, 0.4);
}

.btn--map {
  color: var(--blue-primary);
  border-color: var(--blue-primary);
  background: var(--white);
  margin-top: var(--space-md);
}
.btn--map:hover {
  background: var(--blue-primary);
  color: var(--white);
}

/* ================================================
   HEADER
   ================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(18, 62, 116, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition-base);
}

/* Push header down for demo banner */
.demo-banner + .header {
  top: 28px;
}

.header--scrolled {
  background: rgba(13, 46, 88, 0.98);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

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

.header__logo {
  display: flex;
  flex-direction: column;
  color: var(--white);
  flex-shrink: 0;
}

.header__logo-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.header__logo-accent {
  font-weight: 700;
  opacity: 0.9;
}

.header__logo-tagline {
  font-size: 0.65rem;
  opacity: 0.6;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.header__nav {
  display: none;
  gap: var(--space-lg);
}

.header__link {
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.header__link:hover,
.header__link.active {
  color: var(--white);
}

.header__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--yellow-accent);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.header__link:hover::after,
.header__link.active::after {
  width: 100%;
}

.header__cta {
  display: none;
  align-items: center;
  gap: 6px;
  background: var(--green-wa);
  color: var(--white);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-base);
}

.header__cta:hover {
  background: var(--green-wa-dark);
  transform: scale(1.03);
}

/* Burger button */
.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
  transition: all var(--transition-fast);
}

.header__burger:hover {
  background: rgba(255,255,255,0.2);
}

.header__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: all var(--transition-base);
}

.header__burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.header__burger.active span:nth-child(2) {
  opacity: 0;
}
.header__burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--blue-deeper);
  padding: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.mobile-nav.open {
  display: flex;
  animation: slideDown 300ms ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-nav__link {
  display: block;
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  font-weight: 500;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color var(--transition-fast);
}

.mobile-nav__link:hover {
  color: var(--yellow-accent);
}

.mobile-nav__wa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--green-wa);
  color: var(--white);
  padding: 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  margin-top: var(--space-md);
  transition: background var(--transition-fast);
}

.mobile-nav__wa:hover {
  background: var(--green-wa-dark);
}

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: calc(var(--header-h) + 28px + var(--space-xl));
  padding-bottom: 0;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    160deg,
    var(--blue-deeper) 0%,
    var(--blue-dark) 50%,
    #1A4D80 100%
  );
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(245, 185, 35, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(32, 83, 154, 0.15) 0%, transparent 50%);
}

/* Split layout */
.hero__split {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  flex: 1;
  align-items: center;
  justify-content: center;
  padding-bottom: var(--space-lg);
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  width: fit-content;
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(255,255,255,0.15);
  animation: fadeInUp 600ms ease-out 200ms both;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: var(--space-md);
  animation: fadeInUp 600ms ease-out 400ms both;
}

.hero__title-highlight {
  color: var(--yellow-accent);
  position: relative;
}

.hero__subtitle {
  font-size: clamp(1rem, 3vw, 1.25rem);
  color: rgba(255,255,255,0.8);
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 600ms ease-out 600ms both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  animation: fadeInUp 600ms ease-out 800ms both;
}

/* Hero photo */
.hero__photo {
  width: 100%;
  animation: fadeInUp 700ms ease-out 500ms both;
}

.hero__photo-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 8px 40px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.08);
  aspect-ratio: 16/9;
}

.hero__photo-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(255, 255, 255, 0.1);
  z-index: 1;
  pointer-events: none;
}

.hero__photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.hero__photo-caption {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: var(--space-sm);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.78rem;
  font-weight: 500;
}

.hero__photo-caption svg {
  flex-shrink: 0;
}

.hero__photo-divider {
  opacity: 0.4;
  margin: 0 2px;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Value propositions */
.hero__values {
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-lg) 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.value-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.value-item__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 185, 35, 0.15);
  border-radius: var(--radius-sm);
  color: var(--yellow-accent);
  flex-shrink: 0;
}

.value-item__icon svg {
  width: 20px;
  height: 20px;
}

.value-item__text {
  display: flex;
  flex-direction: column;
}

.value-item__text strong {
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.2;
}

.value-item__text span {
  color: rgba(255,255,255,0.6);
  font-size: 0.7rem;
}

/* ================================================
   CATEGORIES SECTION
   ================================================ */
.categories {
  padding: var(--space-3xl) 0;
  background: var(--gray-50);
}

.categories__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.category-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.category-card__img-wrap {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.category-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.category-card:hover .category-card__img-wrap img {
  transform: scale(1.05);
}

.category-card__info {
  padding: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.category-card__info h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--graphite);
  line-height: 1.2;
}

.category-card__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--blue-primary);
  color: var(--white);
  border-radius: 50%;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.category-card:hover .category-card__arrow {
  background: var(--yellow-accent);
  color: var(--graphite);
  transform: translateX(2px);
}

/* Brands strip */
.brands-strip {
  text-align: center;
  padding: var(--space-xl) 0 0;
  border-top: 1px solid var(--gray-200);
}

.brands-strip__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  margin-bottom: var(--space-md);
}

.brands-strip__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.brand-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gray-600);
  transition: all var(--transition-base);
}

.brand-tag:hover {
  border-color: var(--blue-primary);
  color: var(--blue-primary);
  transform: translateY(-1px);
}

.brand-tag--accent {
  background: var(--yellow-accent);
  border-color: var(--yellow-accent);
  color: var(--graphite);
}

/* ================================================
   INGCO SECTION
   ================================================ */
.ingco {
  position: relative;
  padding: var(--space-3xl) 0;
  background: var(--graphite);
  overflow: hidden;
}

.ingco__accent-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #F5A623, #FFC847, #F5A623);
}

.ingco__layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.ingco__info {
  text-align: center;
}

.ingco__brand-badge {
  display: inline-block;
  background: #F5A623;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.ingco__logo {
  height: 28px;
  width: auto;
  object-fit: contain;
}

.ingco__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.ingco__desc {
  color: rgba(255,255,255,0.7);
  font-size: 1rem;
  max-width: 420px;
  margin: 0 auto var(--space-lg);
  line-height: 1.6;
}

.ingco__gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.ingco__gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3/4;
}

.ingco__gallery-item--large {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

.ingco__gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.ingco__gallery-item:hover img {
  transform: scale(1.04);
}

/* ================================================
   PINTURAS SECTION
   ================================================ */
.pinturas {
  padding: var(--space-3xl) 0;
  background: var(--white);
}

.pinturas__showcase {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.pinturas__images {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.pinturas__img-main,
.pinturas__img-secondary {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.pinturas__img-main {
  aspect-ratio: 16/9;
}

.pinturas__img-secondary {
  aspect-ratio: 16/7;
}

.pinturas__img-main img,
.pinturas__img-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pinturas__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.pinturas__brands-title,
.pinturas__apps-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--graphite);
  margin-bottom: var(--space-sm);
}

.pinturas__brand-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.pinturas__brand {
  display: inline-block;
  padding: 8px 20px;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--graphite);
  transition: all var(--transition-base);
}

.pinturas__brand:hover {
  background: var(--blue-primary);
  color: var(--white);
}

.pinturas__brand--accent {
  background: var(--yellow-accent);
  color: var(--graphite);
}

.pinturas__app-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.pinturas__app-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 16px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: all var(--transition-base);
}

.pinturas__app-list li:hover {
  background: rgba(32, 83, 154, 0.06);
  color: var(--blue-primary);
}

.pinturas__app-list li svg {
  color: var(--blue-primary);
  flex-shrink: 0;
}

/* ================================================
   MATERIALES SECTION
   ================================================ */
.materiales {
  padding: var(--space-3xl) 0;
  background: var(--gray-50);
}

.materiales__layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.materiales__info {
  text-align: center;
}

.materiales__info .section-title {
  text-align: center;
}

.materiales__info .section-desc {
  margin-bottom: var(--space-lg);
}

.materiales__gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.materiales__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.materiales__img--main {
  aspect-ratio: 16/9;
}

.materiales__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.materiales__img:hover img {
  transform: scale(1.03);
}

/* ================================================
   FEATURED PRODUCT SECTION
   ================================================ */
.featured {
  padding: var(--space-3xl) 0;
  background: var(--white);
}

.featured__card {
  background: linear-gradient(135deg, var(--blue-primary) 0%, var(--blue-dark) 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  padding: var(--space-xl);
}

.featured__badge {
  display: inline-block;
  background: var(--yellow-accent);
  color: var(--graphite);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.featured__layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.featured__img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: rgba(255,255,255,0.08);
}

.featured__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5vw, 2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.featured__desc {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.featured__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.featured__tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
}

/* ================================================
   SERVICIOS SECTION
   ================================================ */
.servicios {
  padding: var(--space-3xl) 0;
  background: var(--gray-50);
}

.servicios__disclaimer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(245, 185, 35, 0.1);
  border: 1px solid rgba(245, 185, 35, 0.25);
  color: var(--gray-600);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.servicios__disclaimer svg {
  color: var(--yellow-accent);
  flex-shrink: 0;
}

.servicios__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.servicio-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  text-align: center;
}

.servicio-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.servicio-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(32, 83, 154, 0.08);
  border-radius: var(--radius-md);
  color: var(--blue-primary);
  margin: 0 auto var(--space-md);
}

.servicio-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--graphite);
  margin-bottom: var(--space-sm);
}

.servicio-card p {
  color: var(--gray-500);
  font-size: 0.9rem;
  line-height: 1.5;
}

.servicios__cta {
  text-align: center;
}

/* ================================================
   CONTACTO SECTION
   ================================================ */
.contacto {
  padding: var(--space-3xl) 0;
  background: var(--graphite);
}

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.gallery__item {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.gallery__item--wide {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.gallery__item:hover img {
  transform: scale(1.04);
}

/* Contact cards */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.contact-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.contact-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
}

.contact-card__icon {
  margin-bottom: var(--space-sm);
}

.contact-card__icon svg {
  color: var(--yellow-accent);
}

.contact-card h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.contact-card__value {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
  transition: color var(--transition-fast);
}

a.contact-card__value:hover {
  color: var(--yellow-accent);
}

/* Map */
.map-wrap {
  text-align: center;
}

.map-wrap iframe {
  width: 100%;
  max-height: 280px;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  background: var(--gray-900);
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-lg);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
}

.footer__name span {
  font-weight: 600;
  opacity: 0.8;
}

.footer__tagline {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 2px;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.footer__links a {
  color: var(--gray-400);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--white);
}

.footer__contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.footer__contact a {
  color: var(--gray-500);
  font-size: 0.8rem;
  transition: color var(--transition-fast);
}

.footer__contact a:hover {
  color: var(--yellow-accent);
}

.footer__copy {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: var(--space-md);
  width: 100%;
}

.footer__copy p {
  font-size: 0.72rem;
  color: var(--gray-600);
}

/* ================================================
   FLOATING WHATSAPP BUTTON
   ================================================ */
.fab-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: var(--green-wa);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-base);
  animation: fabPulse 3s ease-in-out infinite;
}

.fab-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.fab-whatsapp__tooltip {
  position: absolute;
  right: 68px;
  background: var(--white);
  color: var(--graphite);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  transform: translateX(8px);
}

.fab-whatsapp:hover .fab-whatsapp__tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes fabPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 12px rgba(37, 211, 102, 0.08); }
}

/* ================================================
   SCROLL REVEAL ANIMATIONS
   ================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================
   RESPONSIVE — Tablet (768px+)
   ================================================ */
@media (min-width: 768px) {
  :root {
    --header-h: 72px;
  }

  .container {
    padding: 0 var(--space-xl);
  }

  .categories__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }

  .values-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }

  .ingco__gallery {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
  }

  .ingco__gallery-item--large {
    grid-column: span 2;
    aspect-ratio: 3/4;
  }

  .pinturas__images {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .pinturas__img-main {
    aspect-ratio: auto;
  }

  .pinturas__img-secondary {
    aspect-ratio: auto;
  }

  .materiales__gallery {
    grid-template-columns: 1.5fr 1fr;
  }

  .featured__layout {
    flex-direction: row;
    align-items: center;
  }

  .featured__img-wrap {
    flex: 0 0 45%;
  }

  .servicios__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .gallery__item--wide {
    grid-column: span 3;
    aspect-ratio: 21/9;
  }

  .contact-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ================================================
   RESPONSIVE — Desktop (1024px+)
   ================================================ */
@media (min-width: 1024px) {
  .header__nav {
    display: flex;
  }

  .header__cta {
    display: inline-flex;
  }

  .header__burger {
    display: none;
  }

  .hero__split {
    flex-direction: row;
    align-items: center;
    gap: var(--space-2xl);
    padding-bottom: var(--space-xl);
  }

  .hero__content {
    flex: 0 0 48%;
    max-width: 48%;
  }

  .hero__photo {
    flex: 1;
    min-width: 0;
  }

  .hero__photo-frame {
    aspect-ratio: 4/3;
    transform: perspective(800px) rotateY(-2deg);
    transition: transform var(--transition-smooth);
  }

  .hero__photo-frame:hover {
    transform: perspective(800px) rotateY(0deg) scale(1.02);
  }

  .ingco__layout {
    flex-direction: row;
    align-items: center;
    gap: var(--space-3xl);
  }

  .ingco__info {
    text-align: left;
    flex: 0 0 35%;
  }

  .ingco__desc {
    margin: 0 0 var(--space-lg);
  }

  .ingco__gallery {
    flex: 1;
  }

  .pinturas__showcase {
    flex-direction: row;
    align-items: stretch;
    gap: var(--space-2xl);
  }

  .pinturas__images {
    flex: 1.2;
  }

  .pinturas__details {
    flex: 0.8;
    justify-content: center;
  }

  .materiales__layout {
    flex-direction: row;
    align-items: center;
    gap: var(--space-3xl);
  }

  .materiales__info {
    text-align: left;
    flex: 0 0 38%;
  }

  .materiales__info .section-title {
    text-align: left;
  }

  .materiales__info .section-desc {
    margin-left: 0;
  }

  .materiales__gallery {
    flex: 1;
  }

  .featured__card {
    padding: var(--space-2xl) var(--space-3xl);
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .footer__brand {
    align-items: flex-start;
  }

  .footer__copy {
    text-align: center;
  }
}

/* ================================================
   RESPONSIVE — Large Desktop (1280px+)
   ================================================ */
@media (min-width: 1280px) {
  .container {
    padding: 0 var(--space-2xl);
  }

  .hero__title {
    font-size: 3.5rem;
  }
}

/* ================================================
   UTILITY: Reduced motion
   ================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}