/* ==========================================================
   TURGUTLAR.NET - MODERN & RESPONSIVE STYLESHEET
   Vanilla CSS - No Framework Dependencies
   ========================================================== */

:root {
    --primary: #1e40af;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --accent: #2563eb;
    --accent-glow: rgba(37, 99, 235, 0.2);
    --dark: #0f172a;
    --dark-surface: #1e293b;
    --text-main: #334155;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --bg-main: #ffffff;
    --bg-alt: #f8fafc;
    --border: #e2e8f0;
    --border-focus: #93c5fd;
    --success: #10b981;
    --success-bg: #ecfdf5;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max: 1200px;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--dark);
    line-height: 1.25;
    font-weight: 700;
}

p {
    margin-bottom: 1rem;
}

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

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

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

/* Layout Utilities */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.main-content {
    flex: 1 0 auto;
}

.section-py {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
}

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

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

/* Section Header */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem auto;
}

.section-tag {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.35rem 1rem;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* Header & Navbar */
.site-header {
    background-color: #ffffff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 75px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.02em;
}

.brand-badge {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    box-shadow: 0 4px 10px var(--accent-glow);
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-main);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--dark);
    padding: 0.5rem;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    padding: 6rem 0 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, rgba(37, 99, 235, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    padding: 0.4rem 1.1rem;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #93c5fd;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Page Header (Internal pages) */
.page-header {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    padding: 4rem 0 3.5rem 0;
    text-align: center;
}

.page-header-title {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.page-header-subtitle {
    font-size: 1.15rem;
    color: #cbd5e1;
    max-width: 650px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(30, 64, 175, 0.35);
}

.btn-outline-light {
    background-color: transparent;
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: #ffffff;
}

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

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

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
}

.btn-danger {
    background-color: var(--danger);
    color: #ffffff;
}

.btn-danger:hover {
    background-color: #dc2626;
    color: #ffffff;
}

.btn-success {
    background-color: var(--success);
    color: #ffffff;
}

.btn-success:hover {
    background-color: #059669;
    color: #ffffff;
}

/* Feature Cards Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-focus);
}

.feature-icon-box {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-subtitle {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.feature-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Teaser / Split Section */
.split-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

.split-content h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.split-content p {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.split-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.split-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--primary);
}

/* Gallery Section */
.gallery-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-alt);
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    border: 1px solid var(--border);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0) 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-title {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.gallery-badge {
    display: inline-block;
    background-color: var(--accent);
    color: #ffffff;
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.35rem;
    align-self: flex-start;
}

.gallery-empty {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-alt);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border);
    color: var(--text-muted);
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.95);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    backdrop-filter: blur(4px);
}

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

.lightbox-content {
    max-width: 900px;
    width: 100%;
    background: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.lightbox-content img {
    width: 100%;
    max-height: 80vh;
    object-fit: contain;
    margin: 0 auto;
}

.lightbox-caption {
    background: #1e293b;
    color: #ffffff;
    padding: 1rem 1.5rem;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-size: 1.75rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    background: rgba(239, 68, 68, 0.8);
}

/* Contact Page Layout */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}

.contact-info-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-md);
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 1.05rem;
    color: var(--dark);
    font-weight: 500;
}

.map-container {
    margin-top: 1.5rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 220px;
    border: 1px solid var(--border);
}

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

/* Contact Form */
.contact-form-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--dark);
    background-color: #ffffff;
    transition: var(--transition);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

textarea.form-control {
    resize: vertical;
    min-height: 130px;
}

/* Alerts & Notifications */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: var(--success-bg);
    color: #065f46;
    border-color: #a7f3d0;
}

.alert-error, .alert-danger {
    background-color: var(--danger-bg);
    color: #991b1b;
    border-color: #fecaca;
}

.alert-info {
    background-color: var(--primary-light);
    color: #1e40af;
    border-color: #bfdbfe;
}

/* Footer */
.site-footer {
    background-color: #0f172a;
    color: #cbd5e1;
    padding-top: 4.5rem;
    margin-top: auto;
    border-top: 1px solid #1e293b;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-desc {
    color: #94a3b8;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: #1e293b;
    color: #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    color: #ffffff;
    transform: translateY(-2px);
}

.footer-heading {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

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

.footer-links li {
    margin-bottom: 0.65rem;
}

.footer-links a {
    color: #94a3b8;
    font-size: 0.95rem;
}

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

.footer-contact-item {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    font-size: 0.95rem;
    color: #94a3b8;
}

.footer-bottom {
    background-color: #080d1a;
    padding: 1.5rem 0;
    border-top: 1px solid #1e293b;
    font-size: 0.9rem;
    color: #64748b;
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-link {
    color: #64748b;
    font-size: 0.85rem;
}

.admin-link:hover {
    color: #94a3b8;
}

/* ==========================================================
   ADMIN PANEL STYLES
   ========================================================== */

.admin-body {
    background-color: #f1f5f9;
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background-color: #0f172a;
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
}

.admin-brand {
    padding: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid #1e293b;
}

.admin-menu {
    list-style: none;
    padding: 1.25rem 0.75rem;
    flex: 1;
}

.admin-menu-item {
    margin-bottom: 0.35rem;
}

.admin-menu-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: #94a3b8;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.admin-menu-link:hover,
.admin-menu-link.active {
    background-color: #1e293b;
    color: #ffffff;
}

.admin-menu-link.active {
    background-color: var(--primary);
    color: #ffffff;
}

.admin-badge {
    margin-left: auto;
    background-color: var(--danger);
    color: #ffffff;
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    border-radius: 9999px;
    font-weight: 700;
}

.admin-sidebar-footer {
    padding: 1.25rem;
    border-top: 1px solid #1e293b;
    font-size: 0.85rem;
    color: #64748b;
}

.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.admin-topbar {
    background: #ffffff;
    height: 65px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-topbar-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
}

.admin-user-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.admin-content {
    padding: 2rem;
    flex: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.blue { background-color: #eff6ff; color: #2563eb; }
.stat-icon.green { background-color: #ecfdf5; color: #10b981; }
.stat-icon.orange { background-color: #fffbeb; color: #f59e0b; }
.stat-icon.purple { background-color: #f5f3ff; color: #7c3aed; }

.stat-num {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.card-header {
    padding: 1.25rem 1.75rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
}

.card-body {
    padding: 1.75rem;
}

/* Admin Tables */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.table th {
    background-color: var(--bg-alt);
    color: var(--text-muted);
    text-align: left;
    padding: 0.85rem 1rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

.table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--dark);
}

.table tr:hover td {
    background-color: #f8fafc;
}

/* Tabs */
.tabs-nav {
    display: flex;
    border-bottom: 2px solid var(--border);
    margin-bottom: 1.5rem;
    gap: 1.5rem;
}

.tab-btn {
    background: none;
    border: none;
    padding: 0.75rem 0.25rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* Admin Login Container */
.login-body {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.login-card {
    background: #ffffff;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1rem auto;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
    .split-section {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .admin-body {
        flex-direction: column;
    }
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 75px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 1.5rem;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        gap: 1rem;
    }
    .nav-menu.open {
        display: flex;
    }
    .mobile-toggle {
        display: block;
    }
    .hero-title {
        font-size: 2.25rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}