/* ============================================
   SUNHOO Industrial — Global Styles
   Industrial B2B Export Website
   ============================================ */

:root {
  /* Primary palette — industrial deep blue */
  --primary-900: #0a1628;
  --primary-800: #0d1f35;
  --primary-700: #13294b;
  --primary-600: #1a3a6b;
  --primary-500: #2563eb;
  --primary-400: #3b82f6;

  /* Accent — safety orange (industrial warning/highlight) */
  --accent-600: #e65a1f;
  --accent-500: #f26a2e;
  --accent-400: #ff8a3d;

  /* Neutral palette — cool greys with steel undertone */
  --steel-50: #f6f7f9;
  --steel-100: #ecedf0;
  --steel-200: #d9dce1;
  --steel-300: #b9bfc9;
  --steel-400: #8b93a1;
  --steel-500: #636c7d;
  --steel-600: #4a5262;
  --steel-700: #373d4a;
  --steel-800: #252a35;
  --steel-900: #14171f;

  /* Success / Certification */
  --cert-green: #16a34a;

  /* Typography */
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Layout */
  --container-w: 1240px;
  --nav-h: 72px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.06), 0 1px 3px rgba(10, 22, 40, 0.08);
  --shadow-md: 0 4px 12px rgba(10, 22, 40, 0.08), 0 2px 4px rgba(10, 22, 40, 0.06);
  --shadow-lg: 0 16px 40px rgba(10, 22, 40, 0.15), 0 4px 8px rgba(10, 22, 40, 0.08);

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--steel-700);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--primary-900);
  letter-spacing: -0.01em;
  line-height: 1.2;
  text-transform: uppercase;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 600; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--steel-200);
  transition: box-shadow 0.3s var(--ease);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  cursor: pointer;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  border-radius: 4px;
}

.logo-mark {
  width: 38px;
  height: 38px;
  background: var(--primary-700);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
}

.logo-mark::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: var(--accent-500);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 100%);
  border-radius: 0 3px 3px 0;
}

.logo-bolt {
  position: relative;
  z-index: 1;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}

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

.logo-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-900);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.logo-tagline {
  font-size: 10px;
  color: var(--steel-500);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-weight: 500;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  position: relative;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--steel-600);
  transition: color 0.2s var(--ease);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-900);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--accent-500);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--steel-600);
  transition: all 0.2s var(--ease);
  cursor: pointer;
}

.lang-switch:hover {
  border-color: var(--primary-500);
  color: var(--primary-600);
}

.nav-cta {
  padding: 10px 20px;
  background: var(--accent-500);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.2s var(--ease);
  cursor: pointer;
}

.nav-cta:hover {
  background: var(--accent-600);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(242, 106, 46, 0.3);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--primary-900);
  transition: all 0.3s var(--ease);
  border-radius: 1px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  z-index: 99;
  padding: 24px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.mobile-menu.open { display: flex; }

.mobile-menu .nav-link {
  padding: 16px 0;
  font-size: 16px;
  border-bottom: 1px solid var(--steel-100);
}

.mobile-menu .nav-link.active::after { display: none; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  margin-top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  min-height: 560px;
  max-height: 760px;
  overflow: hidden;
  background: var(--primary-900);
}

.hero-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.35;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 22, 40, 0.92) 0%,
    rgba(10, 22, 40, 0.75) 50%,
    rgba(10, 22, 40, 0.5) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.hero-body {
  max-width: 680px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(242, 106, 46, 0.15);
  border: 1px solid rgba(242, 106, 46, 0.4);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-400);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 24px;
}

.hero h1 {
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.05;
  text-transform: uppercase;
}

.hero h1 .accent {
  color: var(--accent-400);
}

.hero-desc {
  font-size: 18px;
  color: var(--steel-300);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  transition: all 0.25s var(--ease);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-500);
  color: #fff;
  border-color: var(--accent-500);
}

.btn-primary:hover {
  background: var(--accent-600);
  border-color: var(--accent-600);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(242, 106, 46, 0.35);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.btn-dark {
  background: var(--primary-700);
  color: #fff;
  border-color: var(--primary-700);
}

.btn-dark:hover {
  background: var(--primary-600);
  border-color: var(--primary-600);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(19, 41, 75, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--primary-700);
  border-color: var(--primary-700);
}

.btn-outline:hover {
  background: var(--primary-700);
  color: #fff;
}

.hero-stats {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  background: rgba(10, 22, 40, 0.5);
}

.hero-stats-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.stat-number .plus { color: var(--accent-400); }

.stat-label {
  font-size: 12px;
  color: var(--steel-400);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================
   SECTION UTILITIES
   ============================================ */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--steel-50);
}

.section-dark {
  background: var(--primary-900);
  color: var(--steel-300);
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: #fff;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-500);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 14px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 16px;
  color: var(--steel-500);
  line-height: 1.7;
}

.section-dark .section-header p {
  color: var(--steel-400);
}

/* ============================================
   PRODUCT CATEGORIES
   ============================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--primary-800);
  aspect-ratio: 3 / 4;
  cursor: pointer;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
  transition: opacity 0.4s var(--ease), transform 0.6s var(--ease);
}

.category-card:hover img {
  opacity: 0.45;
  transform: scale(1.08);
}

.category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(10, 22, 40, 0.95) 0%,
    rgba(10, 22, 40, 0.6) 50%,
    rgba(10, 22, 40, 0.2) 100%
  );
}

.category-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 24px;
  color: #fff;
}

.category-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-500);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.category-content h3 {
  color: #fff;
  margin-bottom: 8px;
  font-size: 1.25rem;
}

.category-content p {
  font-size: 13px;
  color: var(--steel-300);
  line-height: 1.6;
  margin-bottom: 16px;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-400);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.category-link .arrow {
  transition: transform 0.2s var(--ease);
}

.category-card:hover .category-link .arrow {
  transform: translateX(4px);
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
.why-section {
  position: relative;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.why-item {
  padding: 48px 36px;
  border-right: 1px solid var(--steel-100);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.3s var(--ease);
}

.why-item:last-child {
  border-right: none;
}

.why-item:hover {
  background: var(--steel-50);
}

.why-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-700);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: background 0.3s var(--ease);
}

.why-item:hover .why-icon {
  background: var(--accent-500);
}

.why-item h3 {
  margin-top: 8px;
  font-size: 1.25rem;
}

.why-item p {
  font-size: 14px;
  color: var(--steel-500);
  line-height: 1.7;
}

.why-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--steel-200);
  line-height: 1;
}

/* ============================================
   FEATURED PRODUCTS
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s var(--ease);
  border: 1px solid var(--steel-100);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-image {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--steel-50);
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  background: var(--accent-500);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-radius: 3px;
}

.product-info {
  padding: 24px;
}

.product-model {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-500);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

.product-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-900);
  margin-bottom: 10px;
  line-height: 1.3;
}

.product-desc {
  font-size: 14px;
  color: var(--steel-500);
  line-height: 1.6;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.spec-tag {
  padding: 4px 10px;
  background: var(--steel-50);
  border: 1px solid var(--steel-200);
  border-radius: 3px;
  font-size: 11px;
  font-weight: 500;
  color: var(--steel-600);
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--steel-100);
}

.product-price-range {
  font-size: 14px;
  color: var(--steel-500);
}

.product-price-range strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--primary-700);
  font-weight: 600;
}

.inquire-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--primary-700);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.2s var(--ease);
  cursor: pointer;
}

.inquire-btn:hover {
  background: var(--accent-500);
}

/* ============================================
   TESTIMONIALS / CLIENTS
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: all 0.3s var(--ease);
}

.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1;
  color: var(--accent-500);
  margin-bottom: 12px;
}

.testimonial-text {
  font-size: 15px;
  color: var(--steel-300);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
}

.author-info h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 2px;
}

.author-info p {
  font-size: 12px;
  color: var(--steel-400);
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-900) 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(242, 106, 46, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-banner-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: 12px;
}

.cta-banner p {
  color: var(--steel-300);
  font-size: 16px;
  max-width: 520px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--primary-900);
  color: var(--steel-400);
  padding-top: 72px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-col h4 {
  color: #fff;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 24px;
  font-weight: 600;
}

.footer-brand .logo-brand {
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin: 20px 0 24px;
  max-width: 320px;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel-300);
  transition: all 0.2s var(--ease);
}

.social-link:hover {
  background: var(--accent-500);
  color: #fff;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 14px;
  color: var(--steel-400);
  transition: color 0.2s var(--ease);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-link:hover {
  color: var(--accent-400);
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 14px;
}

.footer-contact-item svg {
  flex-shrink: 0;
  color: var(--accent-500);
  margin-top: 3px;
}

.footer-contact-item a {
  color: var(--steel-300);
  transition: color 0.2s var(--ease);
}

.footer-contact-item a:hover {
  color: var(--accent-400);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 13px;
  color: var(--steel-500);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  transition: color 0.2s var(--ease);
}

.footer-bottom-links a:hover {
  color: var(--steel-300);
}

/* ============================================
   PRODUCTS PAGE
   ============================================ */
.page-header {
  margin-top: var(--nav-h);
  padding: 80px 0 64px;
  background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-900) 100%);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at right center, rgba(242, 106, 46, 0.12) 0%, transparent 60%);
}

.page-header-inner {
  position: relative;
  text-align: center;
}

.page-header .breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--steel-400);
  margin-bottom: 16px;
}

.page-header .breadcrumb a {
  color: var(--steel-400);
  transition: color 0.2s var(--ease);
  cursor: pointer;
}

.page-header .breadcrumb a:hover {
  color: var(--accent-400);
}

.page-header h1 {
  color: #fff;
}

.page-header p {
  color: var(--steel-400);
  margin-top: 16px;
  font-size: 16px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.products-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 64px 0;
}

.sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  align-self: start;
}

.sidebar-card {
  background: #fff;
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-900);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-500);
  display: inline-block;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-list-item {
  padding: 12px 14px;
  font-size: 14px;
  color: var(--steel-600);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s var(--ease);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.category-list-item:hover {
  background: var(--steel-50);
  color: var(--primary-700);
}

.category-list-item.active {
  background: var(--primary-700);
  color: #fff;
  font-weight: 500;
}

.category-list-item .count {
  font-size: 12px;
  opacity: 0.6;
}

.products-main-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--steel-200);
}

.products-count {
  font-size: 14px;
  color: var(--steel-500);
}

.products-count strong {
  color: var(--primary-900);
  font-weight: 600;
}

.sort-select {
  padding: 8px 14px;
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--steel-700);
  background: #fff;
  font-family: inherit;
  cursor: pointer;
}

.products-main-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-hero-text h2 {
  margin-bottom: 24px;
}

.about-hero-text p {
  font-size: 16px;
  color: var(--steel-600);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.about-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-hero-image::after {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 60%;
  height: 60%;
  border: 4px solid var(--accent-500);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.timeline-section {
  position: relative;
}

.timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  background: var(--steel-200);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 40px 56px;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-dot {
  position: absolute;
  top: 6px;
  width: 16px;
  height: 16px;
  background: var(--accent-500);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--accent-500);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -8px;
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-700);
  line-height: 1;
  margin-bottom: 8px;
}

.timeline-item h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.timeline-item p {
  font-size: 14px;
  color: var(--steel-500);
  line-height: 1.7;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cert-card {
  background: #fff;
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s var(--ease);
}

.cert-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.cert-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: rgba(22, 163, 74, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cert-green);
}

.cert-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.cert-card p {
  font-size: 13px;
  color: var(--steel-500);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s var(--ease);
  border: 1px solid var(--steel-100);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.team-image {
  aspect-ratio: 1;
  background: var(--steel-100);
  overflow: hidden;
}

.team-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-info {
  padding: 20px 24px;
  text-align: center;
}

.team-info h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.team-info .role {
  font-size: 12px;
  color: var(--accent-500);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: var(--primary-900);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.contact-info-card::before {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -80px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(242, 106, 46, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.contact-info-card h3 {
  color: #fff;
  margin-bottom: 12px;
  font-size: 1.5rem;
}

.contact-info-card > p {
  color: var(--steel-400);
  margin-bottom: 36px;
  font-size: 14px;
  position: relative;
}

.contact-details {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-detail {
  display: flex;
  gap: 16px;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  background: rgba(242, 106, 46, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-400);
}

.contact-detail-text h4 {
  color: #fff;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
  opacity: 0.6;
}

.contact-detail-text p,
.contact-detail-text a {
  color: #fff;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 500;
}

.contact-detail-text a:hover {
  color: var(--accent-400);
}

.contact-form-card {
  background: #fff;
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-sm);
}

.contact-form-card h3 {
  margin-bottom: 8px;
  font-size: 1.5rem;
}

.contact-form-card > p {
  color: var(--steel-500);
  margin-bottom: 32px;
  font-size: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--steel-700);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-label .required {
  color: var(--accent-500);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--steel-800);
  font-family: inherit;
  background: #fff;
  transition: all 0.2s var(--ease);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--accent-500);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.form-submit:hover {
  background: var(--accent-600);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(242, 106, 46, 0.3);
}

.form-success {
  text-align: center;
  padding: 40px 20px;
}

.success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: rgba(22, 163, 74, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cert-green);
}

.form-success h4 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.form-success p {
  color: var(--steel-500);
  font-size: 14px;
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 50;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: all 0.3s var(--ease);
  cursor: pointer;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 2px solid #25D366;
  border-radius: 50%;
  animation: whatsapp-pulse 2s infinite;
}

@keyframes whatsapp-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid, .products-main-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .why-item { border-right: none; border-bottom: 1px solid var(--steel-100); }
  .why-item:last-child { border-bottom: none; }
  .certifications-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-hero { grid-template-columns: 1fr; gap: 40px; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .section { padding: 64px 0; }
  .nav-menu, .lang-switch { display: none; }
  .hamburger { display: flex; }
  .nav-cta { display: none; }

  .hero { min-height: 480px; max-height: 640px; }
  .hero h1 { font-size: 2rem; }
  .hero-desc { font-size: 15px; }
  .hero-stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 16px 24px;
  }
  .stat-number { font-size: 1.5rem; }

  .categories-grid { grid-template-columns: 1fr; }
  .products-grid, .products-main-grid { grid-template-columns: 1fr; }
  .certifications-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .products-layout {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 40px 0;
  }
  .sidebar { position: static; }

  .timeline::before { left: 20px; }
  .timeline-item {
    width: 100%;
    left: 0 !important;
    text-align: left !important;
    padding: 0 0 40px 56px;
  }
  .timeline-dot {
    left: 12px !important;
    right: auto !important;
  }

  .cta-banner-inner {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

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

  .contact-info-card, .contact-form-card {
    padding: 32px 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}