/* =========================================
   DominoGarden.hu - Main Stylesheet
   ========================================= */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #2d6a30;
  --color-primary-dark: #1e4d21;
  --color-primary-light: #e8f5e9;
  --color-dark: #2c2c2c;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-white: #ffffff;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f6f2;
  --color-bg-dark: #2c2c2c;
  --color-border: #e0e0e0;
  --color-accent: #8b6914;

  --font-primary: 'Poppins', sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 42px;
  --font-size-hero: 52px;

  --container-max: 1200px;
  --header-height: 100px;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 64px;
  --spacing-2xl: 96px;

  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  color: var(--color-dark);
  line-height: 1.3;
  font-weight: 600;
}

h1 {
  font-size: var(--font-size-hero);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.lead {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--color-text);
}

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

.section {
  padding: var(--spacing-2xl) 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
  padding: var(--spacing-2xl) 0;
}

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

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-text-white);
}

.section-dark p {
  color: rgba(255,255,255,0.8);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* --- Header & Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: box-shadow var(--transition);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  box-shadow: var(--shadow);
  border-bottom-color: var(--color-border);
}

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

.logo img {
  height: 85px;
  width: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.main-nav > ul > li > a {
  display: block;
  padding: var(--spacing-xs) var(--spacing-sm);
  color: var(--color-dark);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.main-nav > ul > li > a:hover,
.main-nav > ul > li > a.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* Dropdown */
.has-dropdown {
  position: relative;
}

.has-dropdown > a::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-left: 6px;
  vertical-align: middle;
  transition: transform var(--transition);
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--color-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xs) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
  border: 1px solid var(--color-border);
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.has-dropdown:hover .dropdown,
.has-dropdown.open .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown li a {
  display: block;
  padding: var(--spacing-xs) var(--spacing-md);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition: all var(--transition);
}

.dropdown li a:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-dark);
  position: absolute;
  left: 0;
  transition: all var(--transition);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 11px; }
.hamburger span:nth-child(3) { top: 22px; }

.hamburger.active span:nth-child(1) {
  top: 11px;
  transform: rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  top: 11px;
  transform: rotate(-45deg);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(44,44,44,0.7) 0%, rgba(44,44,44,0.3) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: var(--spacing-xl) var(--spacing-md);
}

.hero-content h1 {
  color: var(--color-text-white);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-content p {
  color: rgba(255,255,255,0.9);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Page Hero (smaller, for subpages) */
.page-hero {
  position: relative;
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--header-height);
  overflow: hidden;
}

.page-hero .hero-overlay {
  background: linear-gradient(135deg, rgba(44,44,44,0.75) 0%, rgba(44,44,44,0.45) 100%);
}

.page-hero .hero-content h1 {
  font-size: var(--font-size-3xl);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(45,106,48,0.3);
}

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

.btn-secondary:hover {
  background-color: var(--color-text-white);
  color: var(--color-dark);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: var(--color-dark);
  color: var(--color-text-white);
  border-color: var(--color-dark);
}

.btn-dark:hover {
  background-color: #444;
  border-color: #444;
  color: var(--color-text-white);
  transform: translateY(-2px);
}

/* --- Cards --- */
.card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.card-img {
  width: 100%;
  height: 280px;
  overflow: hidden;
  object-fit: cover;
}

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

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

.card-body h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

.card-body p {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.card-link {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  gap: 6px;
}

.card-link::after {
  content: '\2192';
  transition: transform var(--transition);
}

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

/* Feature Cards */
.feature-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-light);
  border-radius: 50%;
  color: var(--color-primary);
}

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

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  text-align: center;
}

.stat-item h3 {
  font-size: var(--font-size-hero);
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.stat-item p {
  font-size: var(--font-size-lg);
  font-weight: 500;
}

/* --- CTA Section --- */
.cta-section {
  background-color: var(--color-primary);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

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

.cta-section p {
  color: rgba(255,255,255,0.9);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

/* --- Content Sections --- */
.content-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.content-row.reverse {
  direction: rtl;
}

.content-row.reverse > * {
  direction: ltr;
}

.content-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

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

.content-text h2 {
  margin-bottom: var(--spacing-sm);
}

.content-text h3 {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.content-text .lead {
  margin-bottom: var(--spacing-md);
}

/* --- Product Detail Page --- */
.product-intro {
  padding: var(--spacing-xl) 0;
}

.product-features {
  padding: var(--spacing-xl) 0;
}

.product-feature-card {
  background: var(--color-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
}

.product-feature-card h4 {
  color: var(--color-primary);
  margin-top: var(--spacing-sm);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
}

.specs-table th,
.specs-table td {
  padding: var(--spacing-sm);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.specs-table th {
  font-weight: 600;
  color: var(--color-dark);
  background-color: var(--color-bg-alt);
}

/* --- Gallery --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition);
}

.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

/* --- References --- */
.reference-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: var(--spacing-lg);
}

.reference-card .content-row {
  gap: 0;
}

.reference-img {
  height: 100%;
  min-height: 350px;
}

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

.reference-text {
  padding: var(--spacing-lg);
}

.reference-text .tag {
  display: inline-block;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: var(--spacing-sm);
}

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

.contact-form {
  background: var(--color-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

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

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--color-dark);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px var(--spacing-sm);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
  background-color: var(--color-bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45,106,48,0.1);
}

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

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: #e53e3e;
}

.form-error {
  color: #e53e3e;
  font-size: var(--font-size-sm);
  margin-top: 4px;
  display: none;
}

.form-group.error .form-error {
  display: block;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
}

.checkbox-group label {
  margin-bottom: 0;
  font-weight: 400;
}

.contact-info {
  padding: var(--spacing-lg);
}

.contact-info-item {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.contact-info-item svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--spacing-lg);
  box-shadow: var(--shadow);
}

.map-container iframe {
  width: 100%;
  height: 300px;
  border: 0;
}

/* Form success message */
.form-success {
  display: none;
  text-align: center;
  padding: var(--spacing-xl);
}

.form-success.show {
  display: block;
}

.form-success svg {
  width: 64px;
  height: 64px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.form-success h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

/* --- Contact Page Additional Styles --- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.form-checkbox input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
  flex-shrink: 0;
}

.form-checkbox label {
  margin-bottom: 0;
  font-weight: 400;
}

.required {
  color: #e53e3e;
}

.contact-info-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.contact-info-card h3 {
  margin-bottom: var(--spacing-md);
}

.contact-info-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background-color: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

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

.contact-map {
  margin-top: var(--spacing-md);
}

.contact-map h3 {
  margin-bottom: var(--spacing-sm);
}

.map-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.map-wrapper iframe {
  width: 100%;
  height: 300px;
  border: 0;
  display: block;
}

.contact-form-wrapper h2 {
  margin-bottom: var(--spacing-xs);
}

.contact-form-wrapper > p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.form-success-icon {
  margin-bottom: var(--spacing-sm);
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-text-white);
}

.page-hero-content h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-white);
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.page-hero-content p {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.9);
}

/* --- Catalog / Guide Cards --- */
.download-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.download-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background-color: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.download-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.download-card p {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

/* Catalog Cards */
.catalog-card .card-img {
  height: auto;
  background-color: var(--color-bg-alt);
}

.catalog-card .card-img img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.catalog-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.catalog-card p {
  font-size: var(--font-size-sm);
}

/* Video */
.video-wrapper {
  text-align: center;
}

.guide-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.guide-card h3 {
  margin-bottom: var(--spacing-xs);
}

.guide-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-bg-dark);
  color: rgba(255,255,255,0.8);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  height: 48px;
  width: auto;
  margin-bottom: var(--spacing-sm);
  background-color: rgba(255,255,255,0.95);
  padding: 8px 12px;
  border-radius: var(--radius);
}

.site-footer h4 {
  color: var(--color-text-white);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.site-footer ul li {
  margin-bottom: var(--spacing-xs);
}

.site-footer ul li a {
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
  transition: color var(--transition);
}

.site-footer ul li a:hover {
  color: var(--color-text-white);
}

.site-footer p {
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  transition: all var(--transition);
}

.social-links a:hover {
  background-color: var(--color-primary);
  color: var(--color-text-white);
}

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

.footer-bottom {
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-sm);
}

.breadcrumb a {
  color: var(--color-text-light);
}

.breadcrumb span {
  color: var(--color-text-light);
  margin: 0 var(--spacing-xs);
}

/* --- Utility Classes --- */
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-lg { margin-top: var(--spacing-lg); }

/* --- Responsive --- */
@media (max-width: 992px) {
  :root {
    --font-size-hero: 38px;
    --font-size-3xl: 32px;
    --font-size-2xl: 26px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .content-row.reverse {
    direction: ltr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .reference-card .content-row {
    grid-template-columns: 1fr;
  }

  .reference-img {
    min-height: 250px;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-hero: 32px;
    --font-size-3xl: 28px;
    --spacing-2xl: 64px;
  }

  /* Mobile Navigation */
  .hamburger {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 360px;
    height: 100vh;
    background-color: var(--color-bg);
    box-shadow: -4px 0 20px rgba(0,0,0,0.15);
    padding: calc(var(--header-height) + var(--spacing-md)) var(--spacing-md) var(--spacing-md);
    transition: right var(--transition);
    overflow-y: auto;
    z-index: 999;
  }

  .main-nav.open {
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav > ul > li > a {
    padding: var(--spacing-sm);
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-border);
  }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0;
    display: none;
    background-color: var(--color-bg-alt);
    border-radius: 0;
  }

  .has-dropdown.open .dropdown {
    display: block;
  }

  .dropdown li a {
    padding: var(--spacing-xs) var(--spacing-lg);
  }

  .hero {
    min-height: 70vh;
  }

  .page-hero {
    min-height: 30vh;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .stat-item h3 {
    font-size: var(--font-size-3xl);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-hero: 28px;
    --font-size-3xl: 24px;
    --spacing-2xl: 48px;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .card-img {
    height: 200px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-item img {
    height: 200px;
  }
}

/* Mobile overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0,0,0,0.5);
  z-index: 998;
}

.nav-overlay.active {
  display: block;
}

/* Scrollbar for mobile nav */
.main-nav::-webkit-scrollbar {
  width: 4px;
}

.main-nav::-webkit-scrollbar-thumb {
  background-color: var(--color-border);
  border-radius: 2px;
}

/* --- Lightbox --- */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0,0,0,0.92);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.lightbox-overlay.active {
  display: flex;
}

.lightbox-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
  transition: opacity var(--transition);
  z-index: 2001;
}

.lightbox-close:hover {
  opacity: 1;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.15);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
  transition: all var(--transition);
  z-index: 2001;
}

.lightbox-nav:hover {
  opacity: 1;
  background: rgba(255,255,255,0.25);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.gallery-item {
  cursor: zoom-in;
}