/* ============================================
   MachProBot — Precision Manufacturing B2B Site
   Shared Stylesheet
   ============================================ */

/* --- Design Tokens --- */
:root {
  --color-primary: #1a365d;
  --color-primary-light: #2a4a7f;
  --color-primary-dark: #0f2440;
  --color-accent: #e67e22;
  --color-accent-hover: #cf6d17;
  --color-white: #ffffff;
  --color-surface: #f7f9fc;
  --color-bg-dark: #0f172a;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-light: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-success: #16a37b;
  --font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --fs-hero: clamp(2rem, 5vw, 3.5rem);
  --fs-h1: clamp(1.75rem, 4vw, 2.75rem);
  --fs-h2: clamp(1.5rem, 3vw, 2.25rem);
  --fs-h3: clamp(1.125rem, 2vw, 1.5rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;
  --lh-tight: 1.2;
  --lh-normal: 1.6;
  --lh-relaxed: 1.75;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --max-width: 1200px;
  --nav-height: 72px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-accent-hover);
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { margin-bottom: var(--space-sm); }
p:last-child { margin-bottom: 0; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-alt {
  background: var(--color-surface);
}

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

.section-dark h2, .section-dark h3 {
  color: var(--color-white);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-xl);
}

.section-header p {
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
  font-size: 1.0625rem;
}

.section-label {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

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

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  background: var(--color-white);
  border-radius: 6px;
  padding: 6px 12px;
  width: fit-content;
  max-width: 100%;
}

.nav-logo:hover { opacity: 0.85; }

.nav-logo-img {
  height: 50px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition);
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--color-accent);
  color: var(--color-white) !important;
  font-size: var(--fs-small);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none !important;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-white) !important;
  transform: translateY(-1px);
}

.nav-cta::after { display: none !important; }

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: var(--fs-body);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(230,126,34,0.3);
}

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

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.0625rem;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,36,64,0.92) 0%, rgba(26,54,93,0.85) 50%, rgba(15,36,64,0.78) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: var(--space-3xl) 0;
}

.hero-content h1 {
  color: var(--color-white);
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero-content .hero-sub {
  color: rgba(255,255,255,0.85);
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-xl);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Page hero (inner pages) */
.page-hero {
  position: relative;
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-2xl);
  background: var(--color-primary);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, transparent, rgba(230,126,34,0.08));
  pointer-events: none;
}

.page-hero h1 {
  color: var(--color-white);
  font-size: var(--fs-h1);
  margin-bottom: var(--space-xs);
}

.page-hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.0625rem;
  max-width: 600px;
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.card-icon {
  width: 56px;
  height: 56px;
  background: rgba(26,54,93,0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.card p {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  line-height: var(--lh-relaxed);
}

/* Service cards grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

/* Feature grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.feature-item {
  text-align: center;
  padding: var(--space-lg);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: rgba(230,126,34,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  color: var(--color-accent);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-item h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.feature-item p {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
}

/* --- Image + Text split sections --- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.split-reverse {
  direction: rtl;
}

.split-reverse > * {
  direction: ltr;
}

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

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

.split-content h2 {
  margin-bottom: var(--space-sm);
}

.split-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.split-content ul {
  list-style: none;
  margin: var(--space-sm) 0;
}

.split-content ul li {
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
}

.split-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* --- Stats bar --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-md);
  padding: var(--space-xl) 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.75);
}

.section-dark .stat-label {
  color: rgba(255,255,255,0.75);
}

/* --- CTA section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  text-align: center;
  padding: var(--space-3xl) 0;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-section p {
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-lg);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* --- Tables --- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
}

th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--color-surface);
}

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

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
  gap: var(--space-sm);
  font-family: var(--font-primary);
}

.faq-question:hover {
  background: var(--color-surface);
}

.faq-question svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 var(--space-lg) var(--space-md);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  font-size: var(--fs-small);
}

/* --- Cases / Portfolio --- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.case-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  transition: transform var(--transition), box-shadow var(--transition);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-surface);
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.case-body {
  padding: var(--space-md);
}

.case-body h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--space-sm);
}

.case-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(26,54,93,0.06);
  color: var(--color-primary);
  font-size: var(--fs-xs);
  font-weight: 500;
  border-radius: 100px;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--color-accent);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-body);
  font-family: var(--font-primary);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(230,126,34,0.1);
  outline: none;
}

.form-control::placeholder {
  color: var(--color-text-light);
}

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

.file-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  user-select: none;
}

.file-upload:hover {
  border-color: var(--color-accent);
  background: rgba(230,126,34,0.04);
}

.file-upload:active {
  background: rgba(230,126,34,0.08);
}

.file-upload p {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  margin-bottom: 4px;
  pointer-events: none;
}

.file-upload small {
  color: var(--color-text-light);
  font-size: var(--fs-xs);
  pointer-events: none;
}

.file-upload svg {
  pointer-events: none;
}

.contact-info-list {
  list-style: none;
}

.contact-info-item {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-info-item:last-child {
  border-bottom: none;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: rgba(26,54,93,0.06);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
}

.file-upload svg {
  width: 32px !important;
  height: 32px !important;
}

.contact-info-icon svg {
  width: 20px !important;
  height: 20px !important;
}

.contact-info-text h4 {
  font-size: var(--fs-small);
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-info-text p {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand p {
  font-size: var(--fs-small);
  margin-top: var(--space-sm);
  max-width: 300px;
  line-height: var(--lh-relaxed);
}

.footer h4 {
  color: var(--color-white);
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: var(--fs-small);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-sm);
}

.breadcrumb a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-white);
}

.breadcrumb svg {
  width: 12px;
  height: 12px;
}

/* --- About specific --- */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.industry-card {
  text-align: center;
  padding: var(--space-lg) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.industry-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.industry-card svg {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.industry-card h4 {
  font-size: var(--fs-small);
  font-weight: 600;
}

/* Process steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  counter-reset: step;
}

.process-step {
  position: relative;
  padding: var(--space-lg);
  padding-top: calc(var(--space-lg) + 40px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  counter-increment: step;
}

.process-step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: var(--space-md);
  left: var(--space-lg);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.9;
}

.process-step h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.process-step p {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
}

/* --- Service detail specific --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

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

.material-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: var(--space-sm) 0;
}

.material-tag {
  padding: 6px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-text);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .split {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .split-reverse {
    direction: ltr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .service-detail {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    gap: 0;
    overflow-y: auto;
  }
  
  .nav-links.open {
    display: flex;
  }
  
  .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-links a {
    display: block;
    padding: var(--space-sm) 0;
    font-size: var(--fs-body);
  }
  
  .nav-links a::after { display: none; }
  
  .nav-cta {
    margin-top: var(--space-sm);
    text-align: center;
    justify-content: center;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .hero-content h1 {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cases-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Print --- */
@media print {
  .navbar, .nav-toggle, .hero-bg, .cta-section, .footer {
    display: none;
  }
  
  body {
    font-size: 12pt;
    color: #000;
  }
  
  .section {
    padding: 1rem 0;
    page-break-inside: avoid;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
  
  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
  
  .card, .case-card, .faq-item {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* --- Animations --- */
@media (prefers-reduced-motion: no-preference) {
  .fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  
  .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   Language Switcher
   ============================================ */
.lang-switcher {
  display: flex;
  gap: 4px;
  align-items: center;
}
.lang-btn {
  padding: 4px 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  color: var(--color-text);
  transition: all 0.2s;
}
.lang-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.lang-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}
@media (max-width: 768px) {
  .lang-switcher { gap: 2px; }
  .lang-btn { padding: 3px 5px; font-size: 11px; }
}

/* Language Dropdown (override old button style) */
.lang-dropdown { position: relative; }
.lang-current { padding: 6px 12px; border: 1px solid rgba(255,255,255,0.3); border-radius: 4px; background: transparent; color: var(--color-text); cursor: pointer; font-size: 13px; }
.lang-current:hover { border-color: var(--color-primary); }
.lang-menu { display: none; position: absolute; top: 100%; right: 0; margin-top: 4px; min-width: 120px; background: white; border: 1px solid #e2e8f0; border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); z-index: 100; overflow: hidden; }
.lang-menu a { display: block; padding: 8px 16px; color: var(--color-text); text-decoration: none; font-size: 13px; white-space: nowrap; }
.lang-menu a:hover { background: #f1f5f9; }
.lang-menu a.active { background: var(--color-primary); color: white; }
.lang-dropdown:hover .lang-menu,
.lang-dropdown.open .lang-menu { display: block; }
@media (max-width: 768px) {
  .lang-menu { min-width: 100px; }
  .lang-menu a { padding: 6px 12px; font-size: 12px; }
}

/* ============================================
   Trust Bar (below hero)
   ============================================ */
.trust-bar {
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 0;
  border-bottom: 3px solid var(--color-accent);
}
.trust-bar-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.5rem 2.5rem;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0.95;
}
.trust-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-accent);
}
@media (max-width: 768px) {
  .trust-bar-inner { gap: 0.5rem 1.25rem; }
  .trust-item { font-size: 0.6875rem; gap: 0.3rem; }
  .trust-item svg { width: 14px; height: 14px; }
}

/* ============================================
   Trust Features Grid (homepage)
   ============================================ */
.trust-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.trust-feature {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  border: 1px solid var(--color-border-light);
  transition: all 0.2s;
}
.trust-feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.trust-feature-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  background: rgba(230, 126, 34, 0.1);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.trust-feature-icon svg {
  width: 26px;
  height: 26px;
}
.trust-feature h3 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
}
.trust-feature p {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
}
@media (max-width: 992px) {
  .trust-features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .trust-features { grid-template-columns: 1fr; }
}

/* ============================================
   Quality/Certification Badges
   ============================================ */
.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-lg);
}
.cert-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-primary);
  transition: all 0.2s;
}
.cert-badge:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}
.cert-badge svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

/* ============================================
   Form Success/Error Messages
   ============================================ */
.form-message {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: var(--fs-small);
  display: none;
}
.form-message.success {
  display: block;
  background: rgba(22, 163, 123, 0.1);
  border: 1px solid rgba(22, 163, 123, 0.3);
  color: #0f7a5e;
}
.form-message.error {
  display: block;
  background: rgba(220, 53, 69, 0.08);
  border: 1px solid rgba(220, 53, 69, 0.25);
  color: #a71d2a;
}

/* File upload hint */
.file-upload-hint {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
  line-height: 1.4;
}

/* ============================================
   Blog Module Styles
   ============================================ */

/* Blog Preview Grid (homepage) */
.blog-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.related-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: var(--space-lg);
}

/* Blog Card */
.blog-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  transition: transform var(--transition), box-shadow var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-surface);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.blog-card-body {
  padding: var(--space-md);
}

.blog-card-body h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
  line-height: 1.35;
}

.blog-card-body h3 a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

.blog-card-body h3 a:hover {
  color: var(--color-accent);
}

.blog-card-body p {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-sm);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-xs);
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.blog-card-category {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(26,54,93,0.08);
  color: var(--color-primary);
  border-radius: 100px;
  font-size: var(--fs-xs);
  font-weight: 500;
}

.blog-read-more {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.blog-read-more:hover {
  color: var(--color-accent-hover);
}

/* Blog Categories Filter */
.blog-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.blog-category-tag {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition);
}

.blog-category-tag:hover,
.blog-category-tag.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Blog Pagination */
.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.pagination-info {
  font-size: var(--fs-small);
  color: var(--color-text-light);
}

/* Article Layout */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-2xl);
  align-items: start;
}

.article-content {
  max-width: 100%;
}

.article-featured-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-xl);
  aspect-ratio: 16/9;
}

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

/* Article Meta */
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.65);
  margin-top: var(--space-xs);
}

.article-meta time {
  font-weight: 500;
}

.meta-sep {
  margin: 0 4px;
  opacity: 0.5;
}

.article-category-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(230,126,34,0.2);
  color: var(--color-accent);
  border-radius: 100px;
  font-size: var(--fs-xs);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-tags-inline {
  color: rgba(255,255,255,0.5);
}

/* Article Content Styles */
.article-content h2 {
  font-size: 1.5rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.article-content h3 {
  font-size: 1.25rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
}

.article-content p {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
  line-height: var(--lh-relaxed);
}

.article-content ul, .article-content ol {
  margin-bottom: var(--space-sm);
  padding-left: var(--space-md);
}

.article-content li {
  margin-bottom: 4px;
  line-height: var(--lh-relaxed);
  color: var(--color-text);
}

.article-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-md) 0;
  background: var(--color-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-content blockquote p {
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: 0;
}

.article-content pre {
  background: var(--color-bg-dark);
  color: #e2e8f0;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: var(--fs-small);
  margin: var(--space-md) 0;
  font-family: var(--font-mono);
  line-height: 1.6;
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(26,54,93,0.06);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--color-primary);
}

.article-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.article-content table {
  margin: var(--space-md) 0;
}

.article-content img {
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
}

.article-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-xl) 0;
}

/* Article Sidebar */
.article-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-lg));
}

.sidebar-section {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.sidebar-section h4 {
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.sidebar-tags {
  list-style: none;
}

.sidebar-tags li {
  margin-bottom: 6px;
}

.sidebar-tags a {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.sidebar-tags a:hover {
  color: var(--color-accent);
}

/* Related Posts */
.related-posts {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.related-posts h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

/* Blog responsive */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
}

@media (max-width: 768px) {
  .blog-grid, .blog-preview-grid {
    grid-template-columns: 1fr;
  }
  .blog-categories {
    gap: 6px;
  }
  .blog-category-tag {
    padding: 4px 12px;
    font-size: var(--fs-xs);
  }
  .article-sidebar {
    grid-template-columns: 1fr;
  }
  .blog-pagination {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* === Blog Language Switcher === */
.article-lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.article-lang-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.article-lang-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 20px;
  background: rgba(26, 54, 93, 0.08);
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid rgba(26, 54, 93, 0.15);
}
.article-lang-tag:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.article-lang-tag.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}