/* ============================================
   ALUPROFILIUM BUILD SYSTEMS
   Monochrome Industrial Design System
   Palette extracted from black & white logo
   ============================================ */

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

:root {
  /* Logo-derived palette: Black, White, Grays */
  --black: #0a0a0a;
  --black-soft: #141414;
  --charcoal: #1c1c1c;
  --dark: #222222;
  --dark-mid: #2a2a2a;
  --gray-900: #1a1a1a;
  --gray-800: #2d2d2d;
  --gray-700: #3d3d3d;
  --gray-600: #555555;
  --gray-500: #717171;
  --gray-400: #8a8a8a;
  --gray-300: #b0b0b0;
  --gray-200: #d4d4d4;
  --gray-100: #e8e8e8;
  --gray-50: #f4f4f4;
  --white: #ffffff;
  --off-white: #fafafa;

  /* Accent — subtle warm silver to complement the industrial feel */
  --accent: #c0c0c0;
  --accent-light: #e0e0e0;

  /* Functional */
  --radius: 6px;
  --radius-lg: 10px;
  --radius-xl: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 2px 8px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.18);
  --shadow-xl: 0 16px 50px rgba(0,0,0,0.22);

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --t-fast: 0.2s;
  --t-normal: 0.3s;
  --t-slow: 0.5s;
}

html { scroll-behavior: smooth; scroll-padding-top: 116px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

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

/* === Typography helpers === */
.text-white { color: var(--white); }
.text-white-muted { color: var(--gray-400); }

/* === LME Ticker === */
.lme-ticker {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: var(--black);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  height: 36px;
  display: flex;
  align-items: center;
  transition: opacity var(--t-normal) var(--ease);
}

.lme-ticker-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.lme-ticker-content {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lme-icon {
  width: 14px;
  height: 14px;
  color: var(--gray-500);
  flex-shrink: 0;
}

.lme-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gray-400);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.lme-price {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

.lme-change {
  font-size: 0.7rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  padding: 1px 6px;
  border-radius: 3px;
  letter-spacing: 0.01em;
}

.lme-change.up {
  color: #34d399;
  background: rgba(52,211,153,0.1);
}

.lme-change.down {
  color: #f87171;
  background: rgba(248,113,113,0.1);
}

.lme-updated {
  font-size: 0.68rem;
  color: var(--gray-600);
  white-space: nowrap;
}

.lme-ticker .lme-fallback {
  font-size: 0.75rem;
  color: var(--gray-400);
}

.lme-ticker .lme-fallback a {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--t-fast) var(--ease);
}

.lme-ticker .lme-fallback a:hover {
  opacity: 0.8;
}

/* === Navigation === */
.nav {
  position: fixed;
  top: 36px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-normal) var(--ease),
              box-shadow var(--t-normal) var(--ease),
              background var(--t-normal) var(--ease);
}

.nav.scrolled {
  border-bottom-color: var(--gray-100);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  transition: opacity var(--t-fast) var(--ease);
}

.logo:hover { opacity: 0.8; }

.logo-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--black);
}

.logo-sub {
  font-weight: 500;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--gray-500);
  text-transform: uppercase;
}

/* Nav links */
.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--t-fast) var(--ease);
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover { color: var(--black); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 1.5px;
  background: var(--black);
  transition: width var(--t-normal) var(--ease), left var(--t-normal) var(--ease);
}

.nav-links a:hover::after { width: 100%; left: 0; }

/* Nav right */
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: transform var(--t-normal) var(--ease),
              opacity var(--t-fast) var(--ease);
  transform-origin: center;
}

.mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 10px 22px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  background: var(--black);
  color: var(--white);
  transition: transform var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              opacity var(--t-fast) var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  background: var(--dark-mid);
}

.btn:active { transform: translateY(0); box-shadow: none; }

.btn-sm { padding: 8px 16px; font-size: 0.82rem; }
.btn-lg { padding: 14px 32px; font-size: 0.95rem; }
.btn-full { width: 100%; }

.btn-catalog {
  background: transparent;
  color: var(--gray-700);
  border: 1.5px solid var(--gray-200);
}

.btn-catalog:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
  color: var(--black);
  box-shadow: none;
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.6);
  box-shadow: 0 4px 16px rgba(255,255,255,0.08);
}

.btn-white {
  background: var(--white);
  color: var(--black);
}

.btn-white:hover {
  background: var(--gray-100);
  box-shadow: 0 4px 20px rgba(255,255,255,0.15);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--black);
  overflow: hidden;
  padding: 156px 0 80px;
}

/* --- Background Image Slider --- */
.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1.4s ease-in-out, transform 5s ease-out;
  will-change: opacity, transform;
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
}

/* Outgoing slide — fast opacity fade, no transform drift */
.hero-slide.fade-out {
  opacity: 0;
  transform: scale(1);
  transition: opacity 1.4s ease-in-out, transform 0s;
}

/* Blurred background fill — stretched, blurred copy of image fills
   the empty space above/below the contained sharp image */
.hero-slide-bg {
  position: absolute;
  inset: -50px;
  width: calc(100% + 100px);
  height: calc(100% + 100px);
  object-fit: cover;
  object-position: center center;
  filter: blur(35px) brightness(0.55) saturate(0.7);
  z-index: 0;
}

/* Sharp contained image — shows the full product, centered */
.hero-slide-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  z-index: 1;
}

/* Dark overlay — reduced to show slider images clearly */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg,
      rgba(0,0,0,0.72) 0%,
      rgba(0,0,0,0.50) 35%,
      rgba(0,0,0,0.50) 65%,
      rgba(0,0,0,0.78) 100%);
  pointer-events: none;
}

/* Subtle grid pattern */
.hero-grid-pattern {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.hero-grid-pattern::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -5%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.025) 0%, transparent 70%);
}

.hero-grid-pattern::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: 5%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.015) 0%, transparent 70%);
}

/* Slider indicator dots */
.hero-slider-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 10px;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.4);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background var(--t-normal) var(--ease),
              border-color var(--t-normal) var(--ease),
              transform var(--t-fast) var(--ease);
}

.slider-dot:hover {
  border-color: rgba(255,255,255,0.8);
  transform: scale(1.2);
}

.slider-dot.active {
  background: var(--white);
  border-color: var(--white);
}

/* --- Hero Content --- */
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 840px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 28px;
  border: 1px solid rgba(255,255,255,0.12);
  letter-spacing: 0.03em;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.12;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5), 0 1px 4px rgba(0,0,0,0.3);
}

.text-accent {
  color: var(--gray-200);
  font-weight: 700;
}

.hero-sub {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.72);
  max-width: 580px;
  margin-bottom: 36px;
  line-height: 1.75;
  text-shadow: 0 1px 8px rgba(0,0,0,0.4);
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.hero-actions .btn:first-child {
  background: var(--white);
  color: var(--black);
}

.hero-actions .btn:first-child:hover {
  background: var(--gray-100);
  box-shadow: 0 4px 20px rgba(255,255,255,0.2);
}

/* --- Trust Bar --- */
.hero-trust-bar {
  display: flex;
  align-items: stretch;
  gap: 0;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.trust-point {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  border-right: 1px solid rgba(255,255,255,0.08);
}

.trust-point:first-child { padding-left: 0; }
.trust-point:last-child { border-right: none; padding-right: 0; }

.trust-point svg {
  width: 18px;
  height: 18px;
  color: rgba(255,255,255,0.5);
  flex-shrink: 0;
}

.trust-point span {
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  line-height: 1.35;
  letter-spacing: 0.01em;
}

/* ============================================
   SECTIONS — Shared
   ============================================ */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--black-soft);
  color: var(--white);
}

.section-light {
  background: var(--gray-50);
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  margin-bottom: 14px;
}

.tag-light { color: var(--gray-400); }

.section-header {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 64px;
}

.section-header p {
  color: var(--gray-500);
  font-size: 1.05rem;
  margin-top: 16px;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--black);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.section-text h2 { margin-bottom: 8px; }

.section-text p {
  color: var(--gray-600);
  margin-top: 14px;
  font-size: 1rem;
}

.about-highlights {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.highlight {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px;
  border-radius: var(--radius-lg);
  transition: background var(--t-fast) var(--ease);
}

.highlight:hover { background: var(--gray-50); }

.highlight-icon {
  width: 38px;
  height: 38px;
  min-width: 38px;
  background: var(--black);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: transform var(--t-fast) var(--ease);
}

.highlight:hover .highlight-icon { transform: scale(1.05); }

.highlight-icon svg { width: 18px; height: 18px; }

.highlight strong {
  display: block;
  font-size: 0.9rem;
  color: var(--black);
  margin-bottom: 2px;
}

.highlight span {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* About visual */
.about-image-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--gray-100);
  box-shadow: var(--shadow-lg);
  transition: transform var(--t-slow) var(--ease);
}

.about-image-wrap:hover { transform: scale(1.02); }

.about-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease);
}

.about-image-wrap:hover .about-img { transform: scale(1.04); }

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  position: relative;
  background: var(--charcoal);
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--t-normal) var(--ease),
              box-shadow var(--t-normal) var(--ease),
              border-color var(--t-normal) var(--ease);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  border-color: var(--gray-600);
}

.product-card.featured {
  border-color: var(--white);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.2);
}

.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--white);
  color: var(--black);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  z-index: 2;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.product-img-wrap {
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: var(--gray-100);
  flex-shrink: 0;
}

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

.product-card:hover .product-img { transform: scale(1.06); }

.product-body {
  padding: 28px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.product-body p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 18px;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
}

.product-features li {
  font-size: 0.82rem;
  color: var(--gray-300);
  padding-left: 18px;
  position: relative;
}

.product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray-500);
  transition: background var(--t-fast) var(--ease);
}

.product-card:hover .product-features li::before { background: var(--white); }
.product-card.featured .product-features li::before { background: var(--white); }

/* Catalog CTA */
.catalog-cta {
  margin-top: 48px;
}

.catalog-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--dark-mid);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-xl);
  padding: 32px 40px;
  transition: border-color var(--t-normal) var(--ease);
}

.catalog-cta-inner:hover { border-color: var(--gray-500); }

.catalog-cta h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.catalog-cta p {
  font-size: 0.9rem;
  color: var(--gray-400);
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 260px;
  gap: 14px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--gray-100);
}

.gallery-item-tall {
  grid-row: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease-out);
}

.gallery-item:hover img { transform: scale(1.08); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--t-normal) var(--ease);
}

.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-overlay span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.02em;
}

/* ============================================
   WHY CHOOSE US (Advantages)
   ============================================ */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.advantage-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  transition: transform var(--t-normal) var(--ease),
              box-shadow var(--t-normal) var(--ease),
              border-color var(--t-normal) var(--ease);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}

.advantage-icon {
  width: 44px;
  height: 44px;
  background: var(--black);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  margin-bottom: 20px;
  transition: transform var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease);
}

.advantage-card:hover .advantage-icon {
  transform: scale(1.08);
  background: var(--gray-800);
}

.advantage-icon svg { width: 22px; height: 22px; }

.advantage-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gray-400);
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

.advantage-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
}

.advantage-card p {
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 72px;
  align-items: start;
}

.contact-info h2 { margin-bottom: 14px; }

.contact-info > p {
  margin-bottom: 36px;
  font-size: 1rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px;
  border-radius: var(--radius-lg);
  transition: background var(--t-fast) var(--ease);
}

.contact-link {
  cursor: pointer;
}

.contact-link:hover { background: rgba(255,255,255,0.04); }

.contact-icon-wrap {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}

.contact-link:hover .contact-icon-wrap {
  background: rgba(255,255,255,0.1);
  transform: scale(1.05);
}

.contact-icon-wrap svg {
  width: 18px;
  height: 18px;
  color: var(--white);
}

.contact-item strong {
  display: block;
  font-size: 0.82rem;
  color: var(--gray-300);
  margin-bottom: 2px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.contact-item span {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.5;
}

/* Contact form */
.contact-form-wrap {
  background: var(--charcoal);
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-xl);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-300);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--gray-700);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--white);
  background: var(--dark-mid);
  transition: border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-600);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gray-400);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.05);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-group select {
  appearance: none;
  color: var(--gray-400);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a8a8a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.contact-form .btn {
  background: var(--white);
  color: var(--black);
  margin-top: 4px;
}

.contact-form .btn:hover {
  background: var(--gray-200);
  box-shadow: 0 4px 16px rgba(255,255,255,0.1);
}

.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--gray-600);
  margin-top: 12px;
}

/* Form success */
.form-success {
  text-align: center;
  padding: 48px 20px;
}

.form-success svg {
  width: 52px;
  height: 52px;
  color: var(--white);
  margin: 0 auto 18px;
}

.form-success h3 {
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 8px;
}

.form-success p {
  color: var(--gray-400);
  font-size: 0.92rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--black);
  padding: 64px 0 0;
  color: var(--gray-500);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-name { color: var(--white); }
.footer-brand .logo-sub { color: var(--gray-500); }

.footer-brand > p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--gray-500);
  margin-bottom: 20px;
}

/* Social links */
.footer-social {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}

.social-link:hover {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

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

/* Footer links */
.footer-links {
  display: flex;
  gap: 48px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--gray-500);
  margin-bottom: 10px;
  transition: color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}

.footer-col a:hover {
  color: var(--white);
  transform: translateX(3px);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.82rem;
  color: var(--gray-600);
}

/* ============================================
   PACKAGING & SAFE SHIPPING
   ============================================ */
.packaging-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.packaging-item {
  position: relative;
}

.packaging-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-sm);
  transition: transform var(--t-normal) var(--ease),
              box-shadow var(--t-normal) var(--ease);
}

.packaging-img-wrap:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.packaging-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease-out);
}

.packaging-img-wrap:hover img {
  transform: scale(1.06);
}

.packaging-caption {
  font-size: 0.85rem;
  color: var(--gray-600);
  margin-top: 12px;
  line-height: 1.5;
  font-weight: 500;
}

.packaging-closing {
  text-align: center;
  max-width: 700px;
  margin: 56px auto 0;
  font-size: 1.05rem;
  color: var(--gray-600);
  line-height: 1.7;
  font-weight: 500;
  font-style: italic;
  position: relative;
  padding-top: 28px;
}

.packaging-closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 2px;
  background: var(--gray-300);
}

/* ============================================
   EXPORT DOCUMENTATION & COMPLIANCE
   ============================================ */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.doc-card {
  background: var(--charcoal);
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  transition: transform var(--t-normal) var(--ease),
              box-shadow var(--t-normal) var(--ease),
              border-color var(--t-normal) var(--ease);
}

.doc-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  border-color: var(--gray-600);
}

.doc-icon {
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  margin-bottom: 20px;
  transition: transform var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease);
}

.doc-card:hover .doc-icon {
  transform: scale(1.08);
  background: rgba(255,255,255,0.1);
}

.doc-icon svg {
  width: 24px;
  height: 24px;
}

.doc-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.doc-card p {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.65;
}

.docs-closing {
  text-align: center;
  max-width: 760px;
  margin: 56px auto 0;
  font-size: 1rem;
  color: var(--gray-400);
  line-height: 1.75;
  position: relative;
  padding-top: 28px;
}

.docs-closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 2px;
  background: var(--gray-700);
}

/* ============================================
   SURFACE FINISHING SECTION
   ============================================ */
.finishes-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.finish-card {
  background: var(--charcoal);
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-xl);
  padding: 32px 24px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform var(--t-normal) var(--ease),
              box-shadow var(--t-normal) var(--ease),
              border-color var(--t-normal) var(--ease);
}

.finish-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--t-normal) var(--ease);
}

.finish-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  border-color: var(--gray-600);
}

.finish-card:hover::before {
  opacity: 1;
}

.finish-icon-wrap {
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  position: relative;
  z-index: 1;
  transition: transform var(--t-normal) var(--ease);
}

.finish-icon-wrap svg {
  width: 48px;
  height: 48px;
}

.finish-card:hover .finish-icon-wrap {
  transform: scale(1.12);
}

.finish-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.finish-card p {
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.65;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}

.finish-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-300);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 4px 14px;
  border-radius: 100px;
  position: relative;
  z-index: 1;
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}

.finish-card:hover .finish-tag {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border-color: rgba(255,255,255,0.2);
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4), 0 2px 8px rgba(0,0,0,0.2);
  transition: transform var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
  animation: whatsapp-pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5), 0 4px 12px rgba(0,0,0,0.3);
  animation: none;
}

.whatsapp-float:active {
  transform: scale(1.05);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.whatsapp-tooltip {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--black);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
  transform: translateY(-50%) translateX(8px);
  box-shadow: var(--shadow-md);
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 6px solid var(--black);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@keyframes whatsapp-pulse {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4), 0 2px 8px rgba(0,0,0,0.2);
  }
  50% {
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4), 0 2px 8px rgba(0,0,0,0.2), 0 0 0 12px rgba(37, 211, 102, 0.15);
  }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Staggered children */
.stagger-children .fade-up:nth-child(1) { transition-delay: 0s; }
.stagger-children .fade-up:nth-child(2) { transition-delay: 0.08s; }
.stagger-children .fade-up:nth-child(3) { transition-delay: 0.16s; }
.stagger-children .fade-up:nth-child(4) { transition-delay: 0.24s; }
.stagger-children .fade-up:nth-child(5) { transition-delay: 0.32s; }
.stagger-children .fade-up:nth-child(6) { transition-delay: 0.4s; }
.stagger-children .fade-up:nth-child(7) { transition-delay: 0.48s; }
.stagger-children .fade-up:nth-child(8) { transition-delay: 0.56s; }
.stagger-children .fade-up:nth-child(9) { transition-delay: 0.64s; }
.stagger-children .fade-up:nth-child(10) { transition-delay: 0.72s; }

/* ============================================
   RESPONSIVE
   ============================================ */

/* --- Tablet landscape --- */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .section-grid { grid-template-columns: 1fr; gap: 40px; }
  .section-visual { order: -1; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 220px; }
  .gallery-item-tall { grid-row: span 2; }
  .finishes-grid { grid-template-columns: repeat(3, 1fr); }
  .packaging-grid { grid-template-columns: repeat(3, 1fr); }
  .docs-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-cta-inner { flex-direction: column; text-align: center; }
  .trust-point { padding: 0 14px; }
  .trust-point span { font-size: 0.78rem; }
}

/* --- Tablet portrait / Mobile --- */
@media (max-width: 768px) {
  .nav-links, .nav-right { display: none; }
  .mobile-toggle { display: flex; }

  .lme-ticker-inner { justify-content: center; gap: 12px; }
  .lme-updated { display: none; }

  .nav { top: 36px; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open li a {
    display: block;
    padding: 12px 0;
    font-size: 1rem;
    color: var(--black);
  }

  .nav-links.open::after {
    content: '';
    display: block;
    border-top: 1px solid var(--gray-100);
    margin: 8px 0;
  }

  .hero { padding: 140px 0 70px; }
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 1rem; }

  .hero-trust-bar {
    flex-wrap: wrap;
    gap: 0;
  }
  .trust-point {
    flex: 0 0 50%;
    padding: 10px 0;
    border-right: none;
  }
  .trust-point:first-child { padding-left: 0; }
  .trust-point span { font-size: 0.8rem; }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-slider-dots { bottom: 16px; }

  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }

  .about-img { height: 300px; }

  .products-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .advantages-grid { grid-template-columns: 1fr; }
  .finishes-grid { grid-template-columns: 1fr 1fr; }
  .packaging-grid { grid-template-columns: 1fr 1fr; }
  .docs-grid { grid-template-columns: 1fr; }
  .whatsapp-float { width: 54px; height: 54px; bottom: 20px; right: 20px; }
  .whatsapp-float svg { width: 26px; height: 26px; }
  .whatsapp-tooltip { display: none; }

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

  .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 200px; }
  .gallery-item-tall { grid-row: span 1; }

  .footer-inner { flex-direction: column; gap: 36px; }
  .footer-links { flex-wrap: wrap; gap: 32px; }

  .logo-text { display: none; }
}

/* --- Small mobile --- */
@media (max-width: 480px) {
  .hero h1 { font-size: 1.75rem; }
  .trust-point { flex: 0 0 100%; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 220px; }
  .gallery-item-tall { grid-row: span 1; }
  .finishes-grid { grid-template-columns: 1fr; }
  .packaging-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px 18px; }
  .hero-slider-dots { bottom: 12px; }
}