@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #e1251b;
  --primary-hover: #b91c14;
  --secondary: #101924;
  --bg-dark: #0a0f18;
  --bg-light: #f8fafc;
  --surface-dark: #111b27;
  --surface-light: #ffffff;
  --text-dark: #f1f5f9;
  --text-light: #1e293b;
  --text-muted: #64748b;
  --brass: #dfab52;
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-light: rgba(15, 23, 42, 0.08);
  --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(225, 37, 27, 0.2);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background-color: var(--bg-light);
  color: var(--text-light);
  line-height: 1.625;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

.container {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
}

/* Typography Utility */
.eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 12px;
  position: relative;
  padding-left: 24px;
}

.eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 2px;
  background-color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  box-shadow: 0 10px 20px -10px rgba(225, 37, 27, 0.5);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(225, 37, 27, 0.6);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-dark);
  border: 1px solid var(--border-dark);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: #fff;
}

.btn-ghost {
  background-color: rgba(255, 255, 255, 0.08);
  color: #fff;
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background-color: #fff;
  color: var(--bg-dark);
  transform: translateY(-2px);
}

/* Header & Navigation */
.topbar {
  background-color: #050810;
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 36px;
}

.topbar-links {
  display: flex;
  gap: 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.site-header.scrolled {
  background-color: rgba(10, 15, 24, 0.95);
  border-bottom-color: var(--border-dark);
  color: var(--text-dark);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--primary);
  line-height: 1;
}

.brand-subtitle {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  margin-top: 4px;
}

.site-header.scrolled .brand-subtitle {
  color: rgba(255, 255, 255, 0.5);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
}

.site-header.scrolled .nav-link {
  color: var(--text-dark);
}

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

.lang-select-wrapper {
  position: relative;
}

.lang-select {
  appearance: none;
  background-color: transparent;
  border: 1px solid var(--border-light);
  padding: 6px 28px 6px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-light);
  border-radius: 6px;
  cursor: pointer;
}

.site-header.scrolled .lang-select {
  border-color: var(--border-dark);
  color: var(--text-dark);
}

.lang-select-wrapper::after {
  content: "▾";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  pointer-events: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 24px;
  height: 24px;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-light);
  position: absolute;
  transition: var(--transition);
}

.site-header.scrolled .nav-toggle span {
  background-color: var(--text-dark);
}

.nav-toggle span:nth-child(1) { top: 4px; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 18px; }

/* Hero Section */
.hero {
  background-color: var(--bg-dark);
  color: var(--text-dark);
  padding: 100px 0 120px;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(225, 37, 27, 0.15) 0%, rgba(10, 15, 24, 0) 70%);
  right: -100px;
  top: -100px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-content h1 span {
  background: linear-gradient(135deg, #fff 30%, var(--brass) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  border-top: 1px solid var(--border-dark);
  padding-top: 32px;
}

.stat-item h3 {
  font-size: 32px;
  font-weight: 800;
  color: var(--brass);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-item p {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(12, 1fr);
  height: 480px;
}

.hero-img-card {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-premium);
  border: 1px solid var(--border-dark);
  transition: var(--transition);
}

.hero-img-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

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

.hero-img-1 {
  grid-column: 1 / 9;
  grid-row: 1 / 10;
  z-index: 2;
}

.hero-img-2 {
  grid-column: 7 / 13;
  grid-row: 5 / 13;
  z-index: 3;
}

.hero-floating-badge {
  position: absolute;
  background-color: var(--primary);
  color: #fff;
  padding: 16px 24px;
  border-radius: 12px;
  bottom: 20px;
  left: 20px;
  z-index: 4;
  box-shadow: var(--shadow-premium);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Certifications Strip */
.certs-strip {
  background-color: var(--surface-light);
  border-bottom: 1px solid var(--border-light);
  padding: 30px 0;
}

.certs-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
}

.certs-text {
  font-size: 12px;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.certs-logos {
  display: flex;
  align-items: center;
  gap: 40px;
}

.cert-logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cert-logo span {
  padding: 2px 6px;
  border: 2px solid #cbd5e1;
  border-radius: 4px;
  font-size: 12px;
  line-height: 1;
}

/* Sections */
.section {
  padding: 100px 0;
}

.section-dark {
  background-color: var(--secondary);
  color: var(--text-dark);
}

.section-header {
  max-width: 680px;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: inherit;
}

.section-header p {
  font-size: 16px;
  color: var(--text-muted);
  margin-top: 16px;
}

.section-dark .section-header p {
  color: rgba(255, 255, 255, 0.6);
}

/* Interactive Tabs Section */
.tabs-section {
  background-color: var(--surface-light);
}

.tabs-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: center;
}

.tabs-nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tab-btn {
  background: none;
  border: 1px solid var(--border-light);
  padding: 24px;
  border-radius: 12px;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tab-btn:hover {
  background-color: #f8fafc;
}

.tab-btn.active {
  background-color: var(--bg-dark);
  border-color: var(--bg-dark);
  color: #fff;
  box-shadow: var(--shadow-premium);
}

.tab-btn h3 {
  font-size: 18px;
  font-weight: 700;
}

.tab-btn p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.tab-btn.active p {
  color: rgba(255, 255, 255, 0.7);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

.tab-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-premium);
  height: 440px;
}

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

/* Category Grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.category-card {
  background-color: var(--surface-light);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--shadow-premium);
}

.category-img {
  height: 220px;
  overflow: hidden;
  position: relative;
}

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

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

.category-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: rgba(10, 15, 24, 0.75);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  padding: 6px 12px;
  border-radius: 30px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.category-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.category-info h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.category-info p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-grow: 1;
  line-height: 1.5;
}

.category-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.category-link span {
  transition: var(--transition);
}

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

/* Process Timeline (SVG driven) */
.process-section {
  background-color: var(--bg-dark);
  color: var(--text-dark);
  position: relative;
  overflow: hidden;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.process-grid::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--brass) 100%);
  opacity: 0.2;
  z-index: 1;
}

.process-step {
  position: relative;
  z-index: 2;
}

.process-icon-box {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background-color: var(--surface-dark);
  border: 1px solid var(--border-dark);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  color: var(--brass);
  font-size: 24px;
  font-weight: 800;
  transition: var(--transition);
}

.process-step:hover .process-icon-box {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

.process-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
}

/* Testimonials / Cases */
.cases-section {
  background-color: var(--bg-light);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.case-card {
  background-color: var(--surface-light);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
  display: flex;
  flex-direction: column;
}

.case-quote {
  font-size: 15px;
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 24px;
  line-height: 1.6;
}

.case-author {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: auto;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  display: grid;
  place-items: center;
}

.author-info h4 {
  font-size: 14px;
  font-weight: 700;
}

.author-info p {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Contact CTA Band */
.cta-band {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-dark) 100%);
  color: var(--text-dark);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band-inner {
  max-width: 720px;
  margin: 0 auto;
}

.cta-band h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  margin-bottom: 32px;
}

/* Footer */
.site-footer {
  background-color: #050810;
  color: rgba(255, 255, 255, 0.5);
  padding: 80px 0 30px;
  font-size: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 80px;
  margin-bottom: 60px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.6;
  max-width: 320px;
}

.footer-nav-col h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

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

.footer-link {
  color: rgba(255, 255, 255, 0.6);
}

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

.footer-contact h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.footer-contact p {
  margin-bottom: 12px;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 12px;
}

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

/* Page Hero layout */
.page-hero {
  background-color: var(--bg-dark);
  color: var(--text-dark);
  padding: 80px 0 100px;
}

.page-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 700px;
}

/* Content layout styles */
.prose h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.prose p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.prose ul {
  padding-left: 20px;
  margin-bottom: 24px;
  color: var(--text-muted);
}

.prose li {
  margin-bottom: 8px;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  background-color: var(--surface-light);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.product-card img {
  height: 240px;
  width: 100%;
  object-fit: cover;
}

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

.product-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

/* FAQ Layout Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--surface-light);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
}

.faq-item summary {
  padding: 24px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  outline: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--primary);
  transition: var(--transition);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-content {
  padding: 0 24px 24px;
  font-size: 14px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

/* Contact Layout Form */
.contact-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
}

.contact-info-card {
  background-color: var(--bg-dark);
  color: var(--text-dark);
  border-radius: 20px;
  padding: 40px;
}

.contact-info-card h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-info-card p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
}

.info-group {
  margin-bottom: 24px;
}

.info-group h4 {
  font-size: 11px;
  font-weight: 800;
  color: var(--brass);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.info-group p {
  font-size: 15px;
  color: #fff;
  margin: 0;
}

.form-card {
  background-color: var(--surface-light);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-premium);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 13px;
  font-weight: 700;
}

.field input, .field textarea, .field select {
  font-family: inherit;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
  background-color: #fafbfc;
}

.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--primary);
  background-color: #fff;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.form-card button[type="submit"] {
  margin-top: 12px;
}

.notice {
  padding: 16px;
  border-radius: 8px;
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
  font-size: 14px;
  font-weight: 600;
  margin-top: 16px;
  display: none;
}

.notice.show {
  display: block;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .hero-content {
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-btns {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-image-grid {
    height: 400px;
    max-width: 600px;
    margin: 0 auto;
  }
  .tabs-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .tab-image {
    height: 320px;
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
  .process-grid::before {
    display: none;
  }
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .topbar {
    display: none;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 24px;
    right: 24px;
    background-color: var(--surface-light);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-premium);
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    z-index: 99;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }
  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg);
    top: 11px;
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg);
    top: 11px;
  }
  .site-header.scrolled .nav-menu {
    background-color: var(--surface-dark);
    border-color: var(--border-dark);
  }
  .site-header.scrolled .nav-menu .nav-link {
    color: var(--text-dark);
  }
  .lang-select-wrapper {
    margin-top: 8px;
  }
  .lang-select {
    width: 100%;
  }
  .hero {
    padding: 60px 0 80px;
  }
  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }
  .certs-container {
    justify-content: center;
    text-align: center;
  }
  .certs-logos {
    flex-wrap: wrap;
    justify-content: center;
  }
  .section {
    padding: 60px 0;
  }
  .category-grid, .cases-grid, .product-list, .contact-layout {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .form-card {
    padding: 24px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}


/* Floating WhatsApp Widget */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5);
}