/* Viking International Inspired Corporate Style System for High Enerji */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800&display=swap');

:root {
  --primary-color: #002855;      /* Viking Navy Blue */
  --primary-light: #003d7c;      /* Light Navy */
  --accent-red: #d9230f;         /* Viking Red */
  --accent-red-hover: #b0190a;   /* Darker Red */
  
  --bg-white: #ffffff;
  --bg-light: #f8fafc;           /* Light Gray */
  --bg-slate: #f1f5f9;
  
  --text-dark: #1e293b;          /* Dark gray for text */
  --text-gray: #475569;          /* Medium gray */
  --text-muted: #94a3b8;         /* Light gray */
  --border-color: #e2e8f0;       /* Borders */
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --transition-smooth: all 0.2s ease-in-out;
}

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

body {
  background-color: var(--bg-white);
  color: var(--text-dark);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.01em;
}

p {
  color: var(--text-gray);
  font-size: 0.95rem;
}

/* Top Bar */
.top-bar {
  background-color: var(--primary-color);
  color: #ffffff;
  font-size: 0.8rem;
  padding: 0.6rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-info-left {
  display: flex;
  gap: 2rem;
}

.top-info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-selector a {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.lang-selector a.active, .lang-selector a:hover {
  color: #ffffff;
  font-weight: 700;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--bg-white);
  box-shadow: var(--box-shadow);
  border-bottom: 1px solid var(--border-color);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--accent-red);
  border-radius: 4px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(217, 35, 15, 0.15);
}

.logo-icon::before {
  content: 'H';
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.6rem;
}

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

.logo-text h1 {
  font-size: 1.5rem;
  line-height: 1;
  font-weight: 800;
  color: var(--primary-color);
}

.logo-text span {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-red);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 0.1rem;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

nav a {
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-smooth);
}

nav a:hover, nav li.active a {
  color: #ffffff;
  background-color: var(--accent-red);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--primary-color);
  font-size: 1.5rem;
  cursor: pointer;
}

.header-cta .cta-button {
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 0.6rem 1.25rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid var(--primary-color);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.header-cta .cta-button:hover {
  background-color: var(--accent-red);
  border-color: var(--accent-red);
}

/* Page Section Wrappers */
main {
  min-height: calc(100vh - 350px);
}

.view-section {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  padding: 4.5rem 2rem;
}

.view-section.active {
  display: block;
}

.view-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Home Hero Banner */
.hero-banner {
  background: linear-gradient(rgba(0, 40, 85, 0.8), rgba(0, 40, 85, 0.8)), url('assets/hero_drilling_rig.jpg') no-repeat center center/cover;
  padding: 9rem 2rem;
  color: #ffffff;
  text-align: center;
}

.hero-banner-container {
  max-width: 960px;
  margin: 0 auto;
}

.hero-tag {
  color: var(--accent-red);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.15em;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  display: inline-block;
}

.hero-banner h1 {
  font-size: 3.25rem;
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.hero-banner p {
  color: #cbd5e1;
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.btn-primary {
  background-color: var(--accent-red);
  color: #ffffff;
  padding: 0.8rem 2rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid var(--accent-red);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

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

.btn-secondary {
  background-color: transparent;
  color: #ffffff;
  padding: 0.8rem 2rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid #ffffff;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

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

/* Quick Stats Section */
.stats-ribbon {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--box-shadow);
  position: relative;
  z-index: 10;
  margin-top: -3.5rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 4px;
  padding: 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  border-right: 1px solid var(--border-color);
}

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

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-gray);
  text-transform: uppercase;
  font-weight: 600;
}

/* Home Intro About */
.home-intro {
  max-width: 1200px;
  margin: 5rem auto 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.home-intro-text h2 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.home-intro-text h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 40px;
  height: 3px;
  background-color: var(--accent-red);
}

.home-intro-text p {
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.home-intro-image img {
  width: 100%;
  border-radius: 4px;
  box-shadow: var(--box-shadow-lg);
}

/* Home Page Services Preview */
.home-section-wrapper {
  max-width: 1200px;
  margin: 6rem auto 0 auto;
}

.home-services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.home-services-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2rem 1.5rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.home-services-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--accent-red);
  transform: scaleY(0);
  transition: var(--transition-smooth);
  transform-origin: bottom;
}

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

.home-services-card:hover::before {
  transform: scaleY(1);
}

.home-services-icon {
  font-size: 2rem;
  margin-bottom: 1.25rem;
  color: var(--accent-red);
}

.home-services-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.home-services-card p {
  font-size: 0.85rem;
  color: var(--text-gray);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.home-services-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-red);
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.home-services-link::after {
  content: '→';
  transition: var(--transition-smooth);
}

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

/* Home HSE Banner Full-width */
.home-hse-banner {
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 5rem 2rem;
  margin-top: 6rem;
  text-align: center;
}

.home-hse-container {
  max-width: 900px;
  margin: 0 auto;
}

.home-hse-container h2 {
  color: #ffffff;
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.home-hse-container p {
  color: #cbd5e1;
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.home-hse-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.hse-pillar-card {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  padding: 2rem 1.5rem;
}

.hse-pillar-card h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.hse-pillar-card p {
  font-size: 0.85rem;
  color: #94a3b8;
}

/* Home News Section */
.home-news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.home-news-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition-smooth);
}

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

.home-news-body {
  padding: 1.5rem;
}

.news-date {
  font-size: 0.75rem;
  color: var(--accent-red);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.home-news-body h4 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.home-news-body p {
  font-size: 0.85rem;
  color: var(--text-gray);
  line-height: 1.6;
}

/* Home Certifications row */
.home-certs-wrapper {
  border-top: 1px solid var(--border-color);
  margin-top: 6rem;
  padding: 3rem 0;
  text-align: center;
}

.home-certs-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
}

.home-certs-flex {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 4rem;
}

.cert-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-muted);
  opacity: 0.6;
  letter-spacing: 0.05em;
  border: 2px solid var(--text-muted);
  padding: 0.4rem 1.2rem;
  border-radius: 4px;
  user-select: none;
  transition: var(--transition-smooth);
}

.cert-logo:hover {
  opacity: 1;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Section Header */
.container-1200 {
  max-width: 1200px;
  margin: 0 auto;
}

.section-hdr {
  text-align: center;
  margin-bottom: 4rem;
}

.section-hdr .tag {
  color: var(--accent-red);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  display: block;
}

.section-hdr h2 {
  font-size: 2.4rem;
  position: relative;
  display: inline-block;
  padding-bottom: 1rem;
}

.section-hdr h2::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 50px;
  height: 3px;
  background-color: var(--accent-red);
  transform: translateX(-50%);
}

/* Services Page Card Grid */
.faaliyet-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.faaliyet-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition-smooth);
}

.faaliyet-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-lg);
  border-color: var(--accent-red);
}

.faaliyet-img {
  height: 220px;
  overflow: hidden;
}

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

.faaliyet-card:hover .faaliyet-img img {
  transform: scale(1.04);
}

.faaliyet-body {
  padding: 2rem;
}

.faaliyet-body h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.faaliyet-body p {
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  height: 90px;
  overflow: hidden;
  color: var(--text-gray);
  line-height: 1.6;
}

.faaliyet-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  background-color: var(--bg-slate);
  color: var(--primary-color);
}

.faaliyet-badge.state-badge {
  background-color: rgba(217, 35, 15, 0.1);
  color: var(--accent-red);
}

/* About Us & HSE Section */
.kurumsal-split {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.hse-container {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2.5rem;
}

.hse-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 2px solid var(--accent-red);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.hse-shield {
  width: 45px;
  height: 45px;
  background-color: var(--accent-red);
  color: white;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
}

.hse-header h3 {
  color: var(--accent-red);
}

.hse-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hse-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.hse-bullet {
  color: var(--accent-red);
  font-size: 1.2rem;
  line-height: 1;
}

.hse-item-content h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.hse-item-content p {
  font-size: 0.85rem;
  color: var(--text-gray);
}

/* Fleet Table */
.fleet-section {
  margin-top: 5rem;
}

.fleet-section h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.fleet-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-shadow: var(--box-shadow);
}

.fleet-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.fleet-table th, .fleet-table td {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.fleet-table th {
  background-color: var(--primary-color);
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 600;
}

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

.fleet-table tr:nth-child(even) {
  background-color: var(--bg-light);
}

/* Careers Section */
.careers-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.careers-content h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.careers-content p {
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.careers-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.careers-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-gray);
}

.careers-list li::before {
  content: '✓';
  color: var(--accent-red);
  font-weight: 700;
}

.careers-image img {
  width: 100%;
  border-radius: 4px;
  box-shadow: var(--box-shadow-lg);
}

/* Contact Grid Layout */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
}

.contact-info-col h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.contact-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-info-card {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-card-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(0, 40, 85, 0.05);
  color: var(--primary-color);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-card-body h4 {
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.contact-card-body p {
  font-size: 0.85rem;
}

.contact-form-col {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  box-shadow: var(--box-shadow-lg);
  padding: 3rem;
  border-radius: 4px;
}

.contact-form-col h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input, .form-group textarea {
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-red);
  box-shadow: 0 0 0 3px rgba(217, 35, 15, 0.1);
}

.form-submit-btn {
  background-color: var(--accent-red);
  color: #ffffff;
  padding: 0.9rem 2rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  width: 100%;
}

.form-submit-btn:hover {
  background-color: var(--primary-color);
  transform: translateY(-1px);
}

.form-alert-msg {
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  display: none;
}

.form-alert-msg.success {
  background-color: #d1fae5;
  border: 1px solid #10b981;
  color: #065f46;
  display: block;
}

/* Footer Section */
footer {
  background-color: #0d1e33;
  color: #e2e8f0;
  padding: 4.5rem 2rem 2.5rem 2rem;
  border-top: 3px solid var(--accent-red);
}

.footer-top {
  max-width: 1200px;
  margin: 0 auto 3rem auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
}

.footer-brand p {
  color: #94a3b8;
  margin-top: 1rem;
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 25px;
  height: 2px;
  background-color: var(--accent-red);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-contact-item {
  margin-bottom: 1rem;
}

.footer-contact-item span {
  font-size: 0.75rem;
  color: #94a3b8;
  display: block;
}

.footer-contact-item p {
  color: #e2e8f0;
  font-size: 0.9rem;
  font-weight: 500;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #64748b;
  font-size: 0.8rem;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .home-intro, .contact-layout, .careers-split {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .faaliyet-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .kurumsal-split {
    grid-template-columns: 1fr;
  }
  .home-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .home-hse-pillars {
    grid-template-columns: 1fr;
  }
  .home-news-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  .header-container {
    padding: 1rem;
  }
  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--box-shadow-lg);
    padding: 1rem;
  }
  nav.mobile-active {
    display: block;
  }
  nav ul {
    flex-direction: column;
    gap: 0.5rem;
  }
  nav a {
    display: block;
    padding: 0.75rem 1rem;
  }
  .menu-toggle {
    display: block;
  }
  .header-cta {
    display: none;
  }
  .hero-banner h1 {
    font-size: 2.15rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
  }
  .stat-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  .faaliyet-grid {
    grid-template-columns: 1fr;
  }
  .home-services-grid {
    grid-template-columns: 1fr;
  }
  .form-row-2 {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
}