/* ============================================
   ISOLANT PARAGUAY - Estilos modernizados
   Paleta: Azul corporativo + acento cálido
   ============================================ */

:root {
  /* Paleta Isolant — azul oscuro corporativo + acento naranja cálido */
  --color-primary: #0a2540;        /* Azul oscuro corporativo */
  --color-primary-light: #1a3a5c;
  --color-secondary: #ee7a30;      /* Naranja cálido (sensación térmica) */
  --color-secondary-light: #f5944d;
  --color-accent: #fbbf24;         /* Dorado para detalles */

  --color-text: #1a2533;
  --color-text-soft: #56657a;
  --color-text-muted: #8595a8;

  --color-bg: #ffffff;
  --color-bg-soft: #f6f8fb;
  --color-bg-dark: #0a2540;

  --color-border: #e5eaf0;

  /* Tipografía */
  --font-display: 'Manrope', system-ui, sans-serif;
  --font-body: 'Poppins', system-ui, sans-serif;

  /* Espaciado / contenedores */
  --container-max: 1200px;
  --container-padding: 1.25rem;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.06);
  --shadow-md: 0 4px 16px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 12px 40px rgba(10, 37, 64, 0.12);
  --shadow-card: 0 4px 24px rgba(10, 37, 64, 0.06);

  /* Transiciones */
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  /* Radios */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

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

/* ============================================
   BOTONES
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.95rem 1.75rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--color-secondary);
  color: white;
  box-shadow: 0 4px 14px rgba(238, 122, 48, 0.3);
}
.btn-primary:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.2);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.btn svg {
  transition: transform var(--transition);
}
.btn:hover svg { transform: translateX(4px); }

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo-link img {
  width: auto;
  height: 38px;
}

.main-nav ul {
  display: flex;
  gap: 2rem;
}

.main-nav a {
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-soft);
  transition: color var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  transition: width var(--transition);
}
.main-nav a:hover {
  color: var(--color-primary);
}
.main-nav a:hover::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.whatsapp-btn {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  transition: opacity var(--transition);
}
.whatsapp-btn:hover { opacity: 0.8; }

.whatsapp-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.whatsapp-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}
.whatsapp-number {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-primary);
}

.hamburger-btn {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: var(--radius-sm);
}
.hamburger-btn span {
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition);
}
.hamburger-btn.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.is-open span:nth-child(2) {
  opacity: 0;
}
.hamburger-btn.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   HERO SLIDER
   ============================================ */
.hero {
  position: relative;
}

.slider {
  position: relative;
  height: 600px;
  overflow: hidden;
}

.slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  pointer-events: none;
}
.slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--color-primary);
  /* Fallback gradient si la imagen no carga */
  background-image: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}
.slide[data-slide="0"] .slide-bg {
  background-image: url('../images/slider/slide-1.jpg'), linear-gradient(135deg, #0a2540 0%, #1a3a5c 100%);
}
.slide[data-slide="1"] .slide-bg {
  background-image: url('../images/slider/slide-2.jpg'), linear-gradient(135deg, #ee7a30 0%, #c25a1f 100%);
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 37, 64, 0.85) 0%, rgba(10, 37, 64, 0.55) 50%, rgba(10, 37, 64, 0.3) 100%);
  z-index: 1;
}

.slide-content {
  position: relative;
  z-index: 2;
  color: white;
  max-width: 600px;
  animation: slideContentIn 1s ease-out;
}

.slide.is-active .slide-content {
  animation: slideContentIn 0.9s ease-out;
}

@keyframes slideContentIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-secondary-light);
  margin-bottom: 1rem;
  padding: 0.4rem 0.875rem;
  border: 1px solid rgba(245, 148, 77, 0.4);
  border-radius: var(--radius-pill);
  background: rgba(245, 148, 77, 0.1);
}

.slide-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 300;
  color: white;
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.slide-title strong {
  font-weight: 800;
}

.slide-text {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  margin-bottom: 1.75rem;
  max-width: 480px;
  line-height: 1.55;
}
.slide-text strong {
  font-weight: 600;
  color: var(--color-secondary-light);
}

.slider-nav {
  position: absolute;
  bottom: 2rem;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.slider-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.slider-arrow:hover {
  background: white;
  color: var(--color-primary);
  transform: scale(1.05);
}

.slider-dots {
  display: flex;
  gap: 0.5rem;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: all var(--transition);
}
.dot.is-active {
  background: var(--color-secondary);
  width: 24px;
  border-radius: var(--radius-pill);
}

/* ============================================
   STATS
   ============================================ */
.stats {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(238, 122, 48, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.stat {
  text-align: center;
  color: white;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #fbbf24 0%, #ee7a30 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  padding: 5rem 0 0;
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: 520px;
}

.about-text {
  padding: 3rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: 2rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 0.875rem;
  position: relative;
  padding-left: 2rem;
}
.section-eyebrow::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 1.5rem;
  height: 2px;
  background: var(--color-secondary);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.about-text p {
  color: var(--color-text-soft);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}
.about-text p strong {
  color: var(--color-primary);
  font-weight: 600;
}

.about-text .btn {
  margin-top: 1rem;
  align-self: flex-start;
}

.about-image {
  position: relative;
  overflow: hidden;
  /* Gradient de fondo como fallback si la imagen falta */
  background: linear-gradient(135deg, #0a2540 0%, #1a3a5c 50%, #ee7a30 150%);
  min-height: 420px;
}
.about-image::before {
  /* Patrón decorativo cuando no hay imagen */
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(238, 122, 48, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(251, 191, 36, 0.25) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
  min-height: 420px;
}
/* Si la imagen falla, queda invisible mostrando el fondo */
.about-image img:not([src]),
.about-image img[src=""] {
  visibility: hidden;
}

.about-image-badge {
  position: absolute;
  bottom: 2rem;
  left: -1.5rem;
  background: var(--color-secondary);
  color: white;
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.badge-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
}
.badge-text {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
  opacity: 0.9;
}

/* ============================================
   PRODUCTS
   ============================================ */
.products {
  padding: 6rem 0;
  background: var(--color-bg-soft);
  position: relative;
}

.products-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}
.products-header .section-eyebrow {
  padding-left: 0;
  padding: 0.4rem 1rem;
  background: rgba(238, 122, 48, 0.1);
  border-radius: var(--radius-pill);
}
.products-header .section-eyebrow::before { display: none; }

.products-intro {
  color: var(--color-text-soft);
  font-size: 1.0625rem;
  margin-top: 1rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem 2rem;
}

.product-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}
.product-image::before {
  /* Patrón decorativo si no hay imagen */
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 50%, rgba(238, 122, 48, 0.25) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.product-image > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  position: relative;
  z-index: 1;
}
.product-card:hover .product-image > img {
  transform: scale(1.06);
}

/* Etiqueta con nombre de producto si la imagen falta */
.product-image::after {
  content: attr(data-fallback);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  z-index: 0;
  pointer-events: none;
}

.product-badge-img {
  position: absolute;
  bottom: -1rem;
  right: 1rem;
  width: 90px;
  height: 110px;
  z-index: 2;
  filter: drop-shadow(0 8px 20px rgba(10, 37, 64, 0.25));
}
.product-badge-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  /* Fallback (caja gris si la imagen falla) */
  background: transparent;
}

.product-content {
  padding: 1.75rem 1.75rem 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.product-content p {
  color: var(--color-text-soft);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all var(--transition);
  align-self: flex-start;
}
.product-link:hover { color: var(--color-primary); }
.product-link svg { transition: transform var(--transition); }
.product-link:hover svg { transform: translateX(4px); }

.products-cta {
  text-align: center;
  margin-top: 4rem;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  padding: 6rem 0;
  background: white;
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-lead {
  font-size: 1.0625rem;
  color: var(--color-text-soft);
  margin-bottom: 2.5rem;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--color-bg-soft);
  transition: all var(--transition);
}

a.contact-item:hover {
  background: white;
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.contact-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: white;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  box-shadow: var(--shadow-sm);
}

.contact-item-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.contact-item strong {
  display: block;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1rem;
}
.contact-item small {
  display: block;
  color: var(--color-text-soft);
  font-size: 0.875rem;
  font-weight: 400;
  margin-top: 0.25rem;
}

/* Form */
.contact-form {
  background: var(--color-bg-soft);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.contact-form h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

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

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: all var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(238, 122, 48, 0.15);
}

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

.form-note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-primary);
  color: white;
  padding: 3rem 0 2rem;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
}

.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 3rem;
  align-items: center;
}

.footer-logo img {
  height: 38px;
  width: auto;
}

.footer-info {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}
.footer-info a {
  color: white;
  transition: opacity var(--transition);
}
.footer-info a:hover { opacity: 0.7; }

.copyright {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-social {
  text-align: right;
}
.footer-social span {
  display: block;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.75rem;
}

.footer-social ul {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--color-secondary);
  transform: translateY(-2px);
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 99;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  animation: pulse 2s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.08);
}

@keyframes pulse {
  0% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.4); }
  70% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4), 0 0 0 12px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ============================================
   ANIMACIONES SCROLL
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 2rem;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-text {
    padding: 2rem 2.5rem;
    margin-right: 0;
  }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    padding: 1.5rem 0;
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 99;
  }
  .main-nav.is-open {
    transform: translateY(0);
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    align-items: stretch;
  }
  .main-nav a {
    display: block;
    padding: 1rem 1.5rem;
    text-align: center;
  }

  .hamburger-btn { display: flex; }

  .whatsapp-text { display: none; }

  .slider {
    height: 480px;
  }

  .slide-content {
    padding-top: 1rem;
  }

  .stats {
    padding: 2.5rem 0;
  }

  .about {
    padding: 3rem 0 0;
  }
  .about-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .about-text {
    padding: 2rem 1.25rem;
    margin: 0;
    order: 2;
  }
  .about-image {
    order: 1;
    height: 320px;
  }
  .about-image img {
    min-height: 320px;
  }
  .about-image-badge {
    left: 1.25rem;
    bottom: 1.25rem;
  }

  .products {
    padding: 4rem 0;
  }
  .products-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .products-header {
    margin-bottom: 2.5rem;
  }

  .contact {
    padding: 4rem 0;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-form {
    padding: 1.75rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    text-align: center;
  }
  .footer-logo {
    text-align: center;
  }
  .footer-logo img {
    margin: 0 auto;
  }
  .footer-social {
    text-align: center;
  }
  .footer-social ul {
    justify-content: center;
  }

  .whatsapp-float {
    width: 54px;
    height: 54px;
    bottom: 1rem;
    right: 1rem;
  }
}

@media (max-width: 480px) {
  .slider {
    height: 440px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .btn {
    padding: 0.85rem 1.5rem;
    font-size: 0.8rem;
  }
}

/* ============================================
   PRINT
   ============================================ */
@media print {
  .whatsapp-float, .slider-nav, .hamburger-btn { display: none !important; }
}