/* ============================================
   ELAZIĞ NAKLİYAT - style.css
   Self-host, no external dependencies
   ============================================ */

/* --- CSS Variables --- */
:root {
  --primary: #1a5276;
  --primary-dark: #0e3a55;
  --primary-light: #2980b9;
  --accent: #e67e22;
  --accent-dark: #d35400;
  --accent-light: #f39c12;
  --white: #ffffff;
  --light: #f8f9fa;
  --gray-100: #f0f2f5;
  --gray-200: #e2e6ea;
  --gray-300: #ced4da;
  --gray-400: #adb5bd;
  --gray-500: #6c757d;
  --gray-600: #495057;
  --gray-700: #343a40;
  --gray-800: #212529;
  --success: #27ae60;
  --whatsapp: #25d366;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: 0.3s ease;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-max: 1200px;
  --header-height: 70px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--gray-700);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 50px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  text-align: center;
  margin-bottom: 50px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-align: center;
  justify-content: center;
}

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

.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

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

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

.btn-whatsapp:hover {
  background: #1da851;
  border-color: #1da851;
}

.btn-full {
  width: 100%;
}

.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.bg-light { background: var(--light); }
.bg-primary { background: var(--primary); }

/* --- Header & Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  height: 60px;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  z-index: 1001;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--white);
}

.logo-text span {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-menu > li {
  position: relative;
}

.nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
  color: var(--primary);
  background: var(--gray-100);
}

.nav-menu > li > a .arrow {
  font-size: 0.7rem;
  transition: transform var(--transition);
}

.nav-menu > li:hover > a .arrow {
  transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 1002;
}

.nav-menu > li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown li a {
  display: block;
  padding: 10px 20px;
  font-size: 0.9rem;
  color: var(--gray-600);
  transition: all var(--transition);
}

.dropdown li a:hover {
  background: var(--gray-100);
  color: var(--primary);
  padding-left: 24px;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.95rem;
}

.header-phone svg {
  width: 18px;
  height: 18px;
  fill: var(--accent);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 5px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* --- Hero Section --- */
.hero {
  margin-top: var(--header-height);
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.02);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 650px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.15);
  padding: 6px 16px;
  border-radius: 50px;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

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

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

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

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-light);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

/* --- Page Hero (Inner Pages) --- */
.page-hero {
  margin-top: var(--header-height);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 60px 0 50px;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.page-hero p {
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
}

/* --- Breadcrumb --- */
.breadcrumb {
  background: var(--gray-100);
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.88rem;
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-list li a {
  color: var(--gray-500);
}

.breadcrumb-list li a:hover {
  color: var(--primary);
}

.breadcrumb-list li.active {
  color: var(--primary);
  font-weight: 500;
}

.breadcrumb-sep {
  color: var(--gray-400);
  font-size: 0.75rem;
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  text-align: center;
}

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

.service-card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.service-card-icon svg {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: var(--white);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 16px;
}

.service-card .btn {
  font-size: 0.88rem;
  padding: 8px 20px;
}

/* --- Features / Why Us --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  fill: var(--accent);
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
}

/* --- District Blog Cards --- */
.district-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.district-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

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

.district-card-img {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.district-card-img::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.3));
}

.district-card-img span {
  position: relative;
  z-index: 1;
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(255,255,255,0.2);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.district-card-body {
  padding: 20px;
}

.district-card-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.district-card-body p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 14px;
}

.district-card-body .read-more {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.district-card-body .read-more:hover {
  color: var(--accent-dark);
  gap: 8px;
}

/* --- Content Section (Service Detail / About) --- */
.content-section {
  padding: 60px 0;
}

.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: start;
}

.content-main h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  margin-top: 30px;
}

.content-main h2:first-child {
  margin-top: 0;
}

.content-main p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--gray-600);
}

.content-main ul {
  margin-bottom: 16px;
  padding-left: 0;
}

.content-main ul li {
  padding: 6px 0 6px 24px;
  position: relative;
  color: var(--gray-600);
}

.content-main ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

.content-sidebar {
  background: var(--light);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--gray-200);
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

.sidebar-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
}

.sidebar-list li a {
  display: block;
  padding: 10px 14px;
  font-size: 0.92rem;
  color: var(--gray-600);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  margin-bottom: 4px;
}

.sidebar-list li a:hover,
.sidebar-list li a.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.sidebar-cta {
  margin-top: 24px;
  padding: 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--white);
}

.sidebar-cta h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.sidebar-cta p {
  font-size: 0.88rem;
  opacity: 0.85;
  margin-bottom: 14px;
}

/* --- Calculator Pages --- */
.calculator-wrapper {
  max-width: 700px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

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

.calc-form-group label {
  display: block;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.calc-form-group input,
.calc-form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color var(--transition);
  background: var(--white);
}

.calc-form-group input:focus,
.calc-form-group select:focus {
  border-color: var(--primary-light);
}

.calc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.calc-result {
  margin-top: 24px;
  padding: 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--white);
  display: none;
}

.calc-result.show {
  display: block;
}

.calc-result h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.calc-result .price {
  font-size: 2.2rem;
  font-weight: 800;
}

.calc-result .note {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-top: 8px;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--light);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  border: 1px solid var(--gray-200);
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--white);
}

.contact-info-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
  font-size: 0.92rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-light);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-success {
  display: none;
  padding: 16px;
  background: #d4edda;
  color: #155724;
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 500;
  margin-top: 16px;
}

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

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 60px 0;
  text-align: center;
  color: var(--white);
}

.cta-banner h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-banner p {
  font-size: 1.1rem;
  opacity: 0.85;
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  background: var(--gray-800);
  color: var(--gray-400);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--gray-400);
  transition: all var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  fill: var(--accent);
  min-width: 18px;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}

/* --- Sticky Buttons --- */
.sticky-buttons {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.sticky-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
  cursor: pointer;
}

.sticky-btn:hover {
  transform: scale(1.1);
}

.sticky-btn-phone {
  background: var(--primary);
}

.sticky-btn-whatsapp {
  background: var(--whatsapp);
}

.sticky-btn svg {
  width: 26px;
  height: 26px;
  fill: var(--white);
}

/* --- District Links (in district pages) --- */
.district-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.district-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--light);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--primary);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.district-link:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* --- About Page Specific --- */
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.value-card {
  text-align: center;
  padding: 30px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.value-card h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 8px;
  margin-top: 12px;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* --- Responsive: Tablet --- */
@media (max-width: 992px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 80px 20px 20px;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition);
    overflow-y: auto;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu > li > a {
    padding: 12px 16px;
    font-size: 1rem;
    border-bottom: 1px solid var(--gray-100);
    border-radius: 0;
  }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    display: none;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    margin: 4px 0 8px;
  }

  .dropdown.open {
    display: block;
  }

  .hamburger {
    display: flex;
  }

  .header-phone {
    display: none;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-stats {
    gap: 24px;
  }

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

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

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

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

  .content-sidebar {
    position: static;
  }

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

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

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

/* --- Responsive: Mobile --- */
@media (max-width: 576px) {
  .section {
    padding: 50px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .hero {
    padding: 60px 0 50px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

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

  .hero-stat {
    flex: 1;
    min-width: 80px;
  }

  .hero-stat-number {
    font-size: 1.5rem;
  }

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

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

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

  .district-links {
    grid-template-columns: 1fr;
  }

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

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

  .cta-banner h2 {
    font-size: 1.5rem;
  }

  .page-hero h1 {
    font-size: 1.6rem;
  }

  .calculator-wrapper {
    padding: 24px;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .sticky-buttons {
    bottom: 16px;
    right: 16px;
  }

  .sticky-btn {
    width: 48px;
    height: 48px;
  }
}

/* --- Overlay for mobile menu --- */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* --- Scroll to top --- */
.scroll-top {
  position: fixed;
  bottom: 90px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 998;
  box-shadow: var(--shadow-md);
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
  fill: var(--white);
}

/* --- About Page --- */
.about-section {
  padding: 80px 0;
}

.about-content {
  max-width: 800px;
  margin: 0 auto 60px;
  text-align: center;
}

.about-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
}

.about-content p {
  font-size: 1rem;
  color: var(--gray-600);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.about-feature {
  text-align: center;
  padding: 40px 24px;
  background: var(--light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.about-feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.about-feature-icon {
  width: 60px;
  height: 60px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.about-feature-icon svg {
  width: 30px;
  height: 30px;
  fill: var(--accent);
}

.about-feature h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}

.about-feature p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* --- Values Section --- */
.values-section {
  padding: 80px 0;
  background: var(--light);
}

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

.value-card-icon {
  width: 60px;
  height: 60px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.value-card-icon svg {
  width: 30px;
  height: 30px;
  fill: var(--accent);
}

/* --- Breadcrumb (inline structure) --- */
.breadcrumb a {
  color: var(--gray-500);
  transition: color var(--transition);
}

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

.breadcrumb .separator {
  color: var(--gray-400);
  font-size: 0.75rem;
}

.breadcrumb .current {
  color: var(--primary);
  font-weight: 500;
}

/* --- Responsive: About & Values --- */
@media (max-width: 992px) {
  .about-features,
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .about-features,
  .values-grid {
    grid-template-columns: 1fr;
  }

  .about-section,
  .values-section {
    padding: 50px 0;
  }
}