/* ===================================================
   B&M Filtros — Especialistas en Filtración
   style.css
=================================================== */

/* --- Design Tokens --- */
:root {
  --primary:        #002060;
  --primary-mid:    #003087;
  --secondary:      #0057A8;
  --accent:         #00A8E8;
  --accent-dark:    #007DB8;
  --dark:           #090E1C;
  --dark-2:         #0D1425;
  --gray-dark:      #1E293B;
  --gray:           #64748B;
  --gray-light:     #94A3B8;
  --light:          #F0F5FB;
  --light-2:        #E8EFF7;
  --white:          #FFFFFF;

  --gradient-primary: linear-gradient(135deg, #002060 0%, #0057A8 100%);
  --gradient-accent:  linear-gradient(135deg, #00A8E8 0%, #0057A8 100%);
  --gradient-dark:    linear-gradient(135deg, #090E1C 0%, #0D1425 100%);
  --gradient-hero:    linear-gradient(to right, rgba(0,16,48,0.88) 40%, rgba(0,32,96,0.4) 100%);

  --shadow-sm:  0 2px 8px  rgba(0, 32, 96, 0.10);
  --shadow-md:  0 8px 24px rgba(0, 32, 96, 0.15);
  --shadow-lg:  0 20px 60px rgba(0, 32, 96, 0.22);
  --shadow-xl:  0 32px 80px rgba(0, 32, 96, 0.30);

  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition: all 0.3s cubic-bezier(.4,0,.2,1);
  --transition-slow: all 0.5s cubic-bezier(.4,0,.2,1);

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --nav-height: 78px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--gray-dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-pad { padding: 96px 0; }
.section-pad-sm { padding: 64px 0; }

/* --- Typography --- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-title.white { color: var(--white); }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 560px;
  line-height: 1.75;
}
.section-subtitle.white { color: rgba(255,255,255,0.72); }
.highlight { color: var(--accent); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  transition: var(--transition);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,168,232,0.4);
}
.btn-primary:hover {
  background: #008EC8;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,168,232,0.5);
}
.btn-dark {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}
.btn-dark:hover {
  background: var(--secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-outline-blue {
  background: transparent;
  color: var(--secondary);
  border: 2px solid var(--secondary);
}
.btn-outline-blue:hover {
  background: var(--secondary);
  color: var(--white);
  transform: translateY(-2px);
}

/* ===================================================
   NAVBAR
=================================================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: var(--transition);
  background: transparent;
}
#navbar.scrolled {
  background: rgba(2, 10, 32, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 32px rgba(0,0,0,0.3);
  height: 66px;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-img {
  height: 64px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: var(--transition);
}
#navbar.scrolled .logo-img { height: 38px; }
footer .logo-img { height: 48px; }

/* Legacy text logo (unused when image is present) */
.logo-icon {
  background: var(--gradient-accent);
  width: 46px;
  height: 46px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -1px;
  box-shadow: 0 4px 16px rgba(0,168,232,0.4);
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}
.logo-tagline {
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}
.nav-links .nav-cta {
  background: var(--accent);
  color: var(--white);
  padding: 9px 20px;
  border-radius: 8px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,168,232,0.35);
}
.nav-links .nav-cta:hover {
  background: #008EC8;
  box-shadow: 0 6px 20px rgba(0,168,232,0.5);
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: rgba(2,10,32,0.98);
  backdrop-filter: blur(20px);
  padding: 24px;
  z-index: 999;
  transform: translateY(-20px);
  opacity: 0;
  transition: var(--transition);
}
.mobile-menu.active {
  display: block;
  transform: translateY(0);
  opacity: 1;
}
.mobile-menu a {
  display: block;
  color: var(--white);
  font-size: 1rem;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--accent); padding-left: 8px; }
.mobile-menu .nav-cta {
  display: block;
  margin-top: 16px;
  text-align: center;
  background: var(--accent);
  padding: 14px;
  border-radius: var(--radius-sm);
  border: none;
  font-weight: 700;
}

/* ===================================================
   HERO SLIDER
=================================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
}
.hero-swiper, .swiper { width: 100%; height: 100%; }

.swiper-slide {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, calc(-50% + calc(var(--nav-height) / 2)));
  width: 100%;
  max-width: 1280px;
  padding: 0 24px;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,168,232,0.18);
  border: 1px solid rgba(0,168,232,0.4);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.hero-content h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.12;
  margin-bottom: 20px;
  max-width: 700px;
}
.accent-text { color: var(--accent); }
.hero-content p {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.82);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 36px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* Swiper customization */
.swiper-pagination-bullet {
  background: rgba(255,255,255,0.5);
  width: 8px; height: 8px;
  opacity: 1;
}
.swiper-pagination-bullet-active {
  background: var(--accent);
  width: 28px;
  border-radius: 4px;
}
.swiper-button-prev,
.swiper-button-next {
  color: var(--white);
  background: rgba(255,255,255,0.12);
  width: 48px; height: 48px;
  border-radius: 50%;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.swiper-button-prev:hover,
.swiper-button-next:hover { background: var(--accent); }
.swiper-button-prev::after,
.swiper-button-next::after { font-size: 1rem; font-weight: 700; }

/* Hero bottom scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}
.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

/* ===================================================
   STATS BAR
=================================================== */
.stats-section {
  background: var(--gradient-dark);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  top: -60px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,168,232,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.stat-item {
  text-align: center;
  padding: 32px 16px;
  border-right: 1px solid rgba(255,255,255,0.07);
  position: relative;
}
.stat-item:last-child { border-right: none; }
.stat-number-wrap { display: flex; align-items: baseline; justify-content: center; gap: 2px; }
.stat-number {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-suffix {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
}
.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 8px;
}

/* ===================================================
   TRUST BAR (brands marquee)
=================================================== */
.trust-bar {
  background: var(--white);
  border-bottom: 1px solid var(--light-2);
  padding: 22px 0;
  overflow: hidden;
}
.trust-label {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-light);
  margin-bottom: 16px;
}
.marquee-track {
  display: flex;
  gap: 56px;
  animation: marquee 28s linear infinite;
  width: max-content;
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.brand-chip {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gray);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: var(--transition);
  opacity: 0.65;
}
.brand-chip:hover { color: var(--secondary); opacity: 1; }

/* ===================================================
   ABOUT / MISSION-VISION
=================================================== */
.about-section {
  padding: 100px 0;
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.about-image-wrap img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  display: block;
}
.about-badge-float {
  position: absolute;
  bottom: 28px; right: 28px;
  background: var(--gradient-primary);
  color: var(--white);
  padding: 18px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.about-badge-float .number {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1;
}
.about-badge-float .text {
  font-size: 0.72rem;
  opacity: 0.85;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}
.about-content { display: flex; flex-direction: column; gap: 32px; }
.mv-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 28px 32px;
  border-left: 4px solid var(--accent);
  transition: var(--transition);
}
.mv-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}
.mv-card h3 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.mv-card p {
  font-size: 0.96rem;
  color: var(--gray-dark);
  line-height: 1.75;
}

/* ===================================================
   INDUSTRIES
=================================================== */
.industries-section {
  background: var(--gradient-dark);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}
.industries-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.industries-header { text-align: center; margin-bottom: 56px; }
.industries-header .section-subtitle { margin: 0 auto; }

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}
.industry-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
  cursor: default;
}
.industry-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-slow);
  z-index: 0;
}
.industry-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,168,232,0.2);
}
.industry-card:hover::before { opacity: 0.15; }
.industry-card > * { position: relative; z-index: 1; }

.industry-icon {
  width: 64px; height: 64px;
  border-radius: var(--radius);
  background: rgba(0,168,232,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 20px;
  transition: var(--transition);
  border: 1px solid rgba(0,168,232,0.2);
}
.industry-card:hover .industry-icon {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(0,168,232,0.4);
}
.industry-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.industry-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}
.industry-tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ===================================================
   PRODUCTS
=================================================== */
.products-section {
  padding: 96px 0;
  background: var(--light);
}
.products-header { text-align: center; margin-bottom: 56px; }
.products-header .section-subtitle { margin: 0 auto; }

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--light-2);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}
.product-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.product-card:hover::after { transform: scaleX(1); }
.product-icon-wrap {
  width: 72px; height: 72px;
  border-radius: var(--radius);
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--secondary);
  margin: 0 auto 20px;
  transition: var(--transition);
  border: 1px solid var(--light-2);
}
.product-card:hover .product-icon-wrap {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: transparent;
  box-shadow: var(--shadow-md);
}
.product-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.product-card p {
  font-size: 0.82rem;
  color: var(--gray);
  line-height: 1.65;
}

/* ===================================================
   BRANDS SECTION
=================================================== */
.brands-section {
  padding: 96px 0;
  background: var(--white);
}
.brands-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 80px;
  align-items: center;
}
.brands-info { }
.brands-info .section-subtitle { margin-bottom: 32px; }
.brands-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.brand-card {
  background: var(--light);
  border: 1px solid var(--light-2);
  border-radius: var(--radius);
  padding: 22px 16px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}
.brand-card:hover {
  border-color: var(--accent);
  background: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.brand-card-flag {
  font-size: 1.5rem;
  margin-bottom: 6px;
  line-height: 1;
}
.brand-card-name {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.2;
}
.brand-card-country {
  font-size: 0.68rem;
  color: var(--gray-light);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* ===================================================
   SUPPLIERS / GLOBAL SOURCING
=================================================== */
.suppliers-section {
  padding: 96px 0;
  background: var(--light);
  overflow: hidden;
}
.suppliers-header { text-align: center; margin-bottom: 60px; }
.suppliers-header .section-subtitle { margin: 0 auto; }
.countries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.country-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--light-2);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}
.country-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: var(--transition);
}
.country-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.country-card:hover::before { transform: scaleX(1); }
.country-flag {
  font-size: 3.5rem;
  margin-bottom: 16px;
  line-height: 1;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}
.country-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}
.country-brands { display: flex; flex-direction: column; gap: 6px; }
.country-brand-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--secondary);
  background: rgba(0,87,168,0.08);
  padding: 4px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: var(--transition);
}
.country-card:hover .country-brand-tag {
  background: rgba(0,87,168,0.14);
  color: var(--primary);
}

/* ===================================================
   WHY US
=================================================== */
.whyus-section {
  padding: 96px 0;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}
.whyus-section::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: rgba(0,168,232,0.08);
  pointer-events: none;
}
.whyus-section::after {
  content: '';
  position: absolute;
  bottom: -200px; left: -200px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: rgba(0,168,232,0.06);
  pointer-events: none;
}
.whyus-header { text-align: center; margin-bottom: 56px; position: relative; z-index: 1; }
.whyus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
  z-index: 1;
}
.whyus-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition-slow);
  backdrop-filter: blur(4px);
}
.whyus-card:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(0,168,232,0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.2);
}
.whyus-icon {
  width: 56px; height: 56px;
  background: rgba(0,168,232,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 20px;
  border: 1px solid rgba(0,168,232,0.25);
}
.whyus-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.whyus-card p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

/* ===================================================
   CONTACT
=================================================== */
.contact-section {
  padding: 96px 0;
  background: var(--dark-2);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.contact-info .section-subtitle.white { margin-bottom: 40px; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-item-icon {
  width: 44px; height: 44px;
  background: rgba(0,168,232,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--accent);
  flex-shrink: 0;
  border: 1px solid rgba(0,168,232,0.2);
}
.contact-item-text h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-light);
  margin-bottom: 4px;
}
.contact-item-text p {
  font-size: 0.95rem;
  color: var(--white);
  font-weight: 500;
}

/* Contact form */
.contact-form {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  backdrop-filter: blur(8px);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.92rem;
  padding: 13px 16px;
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(0,168,232,0.08);
  box-shadow: 0 0 0 3px rgba(0,168,232,0.15);
}
.form-group select { cursor: pointer; }
.form-group select option { background: #1E293B; color: var(--white); }
.form-group textarea { height: 120px; resize: vertical; }
.form-submit {
  width: 100%;
  padding: 15px;
  background: var(--gradient-accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.04em;
  margin-top: 8px;
  box-shadow: 0 4px 20px rgba(0,168,232,0.35);
}
.form-submit:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,168,232,0.5);
}
.form-success {
  display: none;
  text-align: center;
  padding: 20px;
  color: #4ade80;
  font-size: 0.95rem;
  font-weight: 600;
}

/* ===================================================
   FOOTER
=================================================== */
footer {
  background: var(--dark);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.75;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}
.footer-bottom a:hover { color: var(--accent); }
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

/* ===================================================
   BACK TO TOP
=================================================== */
#back-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: var(--white);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
#back-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
#back-top:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* ===================================================
   AOS OVERRIDES
=================================================== */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }

/* ===================================================
   RESPONSIVE
=================================================== */
@media (max-width: 1100px) {
  .products-grid { grid-template-columns: repeat(4, 1fr); }
  .brands-layout { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.07); }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.07); }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4) { border-bottom: none; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-image-wrap img { height: 360px; }

  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .countries-grid { grid-template-columns: repeat(2, 1fr); }
  .whyus-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .brands-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 600px) {
  :root { --nav-height: 66px; }
  .section-pad { padding: 64px 0; }

  .hero-content h1 { font-size: 2rem; }
  .hero-btns { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }

  .industries-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .countries-grid { grid-template-columns: 1fr; }
  .whyus-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .brands-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-form { padding: 28px 20px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}