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

    :root {
        --primary: #C0392B;
        --primary-dark: #96281B;
        --secondary: #2C3E50;
        --accent: #E67E22;
        --light: #ECF0F1;
        --dark: #1a1a2e;
        --success: #27AE60;
        --white: #ffffff;
        --gray-100: #f8f9fa;
        --gray-200: #e9ecef;
        --gray-600: #6c757d;
        --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
        --radius: 2px;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'Inter', -apple-system, sans-serif;
        color: #333;
        line-height: 1.6;
        overflow-x: hidden;
        background: var(--white);
    }

    /* Top Bar */
    .top-bar {
        background: var(--dark);
        color: rgba(255, 255, 255, 0.8);
        padding: 8px 0;
        font-size: 13px;
    }

    .top-bar .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
    }

    .top-bar a {
        color: rgba(255, 255, 255, 0.9);
        text-decoration: none;
        transition: color 0.2s;
    }

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

    .top-bar-right {
        display: flex;
        gap: 20px;
        align-items: center;
    }

    /* Navbar */
    .navbar {
        background: var(--white);
        padding: 0;
        position: sticky;
        top: 0;
        z-index: 1000;
        box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    }

    .navbar .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 70px;
    }

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

    .logo img {
        height: 46px;
        width: auto;
    }

    /* Desktop Nav Links */
    .nav-links {
        display: flex;
        align-items: center;
        gap: 4px;
        list-style: none;
    }

    .nav-links li a {
        padding: 8px 14px;
        color: var(--secondary);
        text-decoration: none;
        font-size: 14px;
        font-weight: 500;
        border-radius: 2px;
        transition: all 0.2s;
        white-space: nowrap;
    }

    .nav-links li a:hover {
        color: var(--primary);
        background: rgba(192, 57, 43, 0.06);
    }

    .nav-cta {
        background: var(--primary);
        color: var(--white) !important;
        padding: 10px 24px !important;
        border-radius: 2px;
        text-decoration: none;
        font-weight: 600 !important;
        font-size: 14px;
        transition: all 0.3s;
        border: 2px solid var(--primary);
        margin-left: 8px;
    }

    .nav-cta:hover {
        background: transparent !important;
        color: var(--primary) !important;
    }

    /* Hamburger Button */
    .hamburger {
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 40px;
        height: 40px;
        background: none;
        border: none;
        cursor: pointer;
        gap: 5px;
        padding: 0;
        z-index: 1100;
    }

    .hamburger span {
        display: block;
        width: 24px;
        height: 2.5px;
        background: var(--secondary);
        border-radius: 2px;
        transition: all 0.3s ease;
    }

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

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

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

    /* Side Menu Overlay */
    .side-menu-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1050;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

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

    /* Side Menu */
    .side-menu {
        position: fixed;
        top: 0;
        right: -320px;
        width: 300px;
        max-width: 85vw;
        height: 100vh;
        background: var(--white);
        z-index: 1060;
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
        display: flex;
        flex-direction: column;
        overflow-y: auto;
    }

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

    .side-menu-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 24px;
        border-bottom: 1px solid var(--gray-200);
    }

    .side-menu-header img {
        height: 36px;
        width: auto;
    }

    .side-menu-close {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        border: none;
        background: var(--gray-100);
        border-radius: 2px;
        cursor: pointer;
        color: var(--secondary);
        transition: all 0.2s;
    }

    .side-menu-close:hover {
        background: var(--gray-200);
    }

    .side-menu-close svg {
        width: 18px;
        height: 18px;
    }

    .side-menu-nav {
        list-style: none;
        padding: 12px 0;
        flex: 1;
    }

    .side-menu-nav li a {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 14px 24px;
        color: var(--secondary);
        text-decoration: none;
        font-size: 15px;
        font-weight: 500;
        transition: all 0.2s;
        border-left: 3px solid transparent;
    }

    .side-menu-nav li a:hover {
        background: rgba(192, 57, 43, 0.04);
        color: var(--primary);
        border-left-color: var(--primary);
    }

    .side-menu-nav li a svg {
        width: 18px;
        height: 18px;
        opacity: 0.6;
        flex-shrink: 0;
    }

    .side-menu-footer {
        padding: 20px 24px;
        border-top: 1px solid var(--gray-200);
    }

    .side-menu-footer .side-cta-btn {
        display: block;
        width: 100%;
        text-align: center;
        padding: 14px;
        background: var(--primary);
        color: var(--white);
        text-decoration: none;
        font-weight: 700;
        font-size: 15px;
        border-radius: 2px;
        transition: all 0.3s;
        margin-bottom: 12px;
    }

    .side-menu-footer .side-cta-btn:hover {
        background: var(--primary-dark);
    }

    .side-menu-contact {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .side-menu-contact a {
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--gray-600);
        text-decoration: none;
        font-size: 13px;
        transition: color 0.2s;
    }

    .side-menu-contact a:hover {
        color: var(--primary);
    }

    .side-menu-contact a svg {
        width: 16px;
        height: 16px;
        flex-shrink: 0;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* HERO */
    .hero {
        background: linear-gradient(rgba(26, 26, 46, 0.85), rgba(26, 26, 46, 0.7)), url('yan-top-1.jpg');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        color: var(--white);
        padding: 80px 0 60px;
        position: relative;
        overflow: hidden;
    }

    .hero::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 600px;
        height: 600px;
        background: radial-gradient(circle, rgba(192, 57, 43, 0.15) 0%, transparent 70%);
        border-radius: 50%;
    }

    .hero .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
    }

    .hero-badge {
        display: inline-block;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        padding: 6px 16px;
        border-radius: 2px;
        font-size: 13px;
        font-weight: 500;
        margin-bottom: 20px;
        backdrop-filter: blur(10px);
    }

    .hero h1 {
        font-size: 42px;
        font-weight: 800;
        line-height: 1.15;
        margin-bottom: 20px;
    }

    .hero h1 em {
        font-style: normal;
        color: var(--accent);
    }

    .hero p {
        font-size: 17px;
        color: rgba(255, 255, 255, 0.8);
        margin-bottom: 32px;
        max-width: 480px;
    }

    .hero-stats {
        display: flex;
        gap: 32px;
        margin-top: 36px;
    }

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

    .hero-stat strong {
        display: block;
        font-size: 28px;
        font-weight: 800;
        color: var(--accent);
    }

    .hero-stat span {
        font-size: 12px;
        color: rgba(255, 255, 255, 0.6);
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    /* Hero Form */
    .hero-form-card {
        background: var(--white);
        border-radius: 2px;
        padding: 36px;
        box-shadow: var(--shadow-lg);
        position: relative;
        z-index: 2;
    }

    .hero-form-card h3 {
        color: var(--secondary);
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 4px;
    }

    .hero-form-card .form-sub {
        color: var(--gray-600);
        font-size: 14px;
        margin-bottom: 24px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .form-group label {
        display: block;
        font-size: 13px;
        font-weight: 600;
        color: var(--secondary);
        margin-bottom: 6px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        padding: 12px 14px;
        border: 1.5px solid var(--gray-200);
        border-radius: 2px;
        font-size: 14px;
        font-family: inherit;
        transition: border-color 0.2s;
        background: var(--gray-100);
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        outline: none;
        border-color: var(--primary);
        background: var(--white);
    }

    .form-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .btn-primary {
        width: 100%;
        padding: 14px;
        background: var(--primary);
        color: var(--white);
        border: none;
        border-radius: 2px;
        font-size: 16px;
        font-weight: 700;
        cursor: pointer;
        transition: all 0.3s;
        font-family: inherit;
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-1px);
        box-shadow: 0 6px 20px rgba(192, 57, 43, 0.3);
    }

    .form-trust {
        text-align: center;
        margin-top: 12px;
        font-size: 12px;
        color: var(--gray-600);
    }

    /* Video CTA */
    .video-cta-section {
        padding: 64px 0;
        background: var(--white);
        border-top: 1px solid var(--gray-200);
    }

    .video-cta-section .container {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 56px;
        align-items: center;
    }

    .video-cta-content h2 {
        font-size: 30px;
        font-weight: 800;
        color: var(--secondary);
        margin-bottom: 16px;
        line-height: 1.3;
    }

    .video-cta-content p {
        font-size: 16px;
        color: var(--gray-600);
        line-height: 1.75;
        margin-bottom: 28px;
    }

    .btn-cta-contact {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 32px;
        background: var(--primary);
        color: var(--white);
        text-decoration: none;
        font-weight: 700;
        font-size: 15px;
        border-radius: 2px;
        transition: all 0.3s;
        border: 2px solid var(--primary);
    }

    .btn-cta-contact:hover {
        background: transparent;
        color: var(--primary);
    }

    .btn-cta-contact svg {
        width: 18px;
        height: 18px;
        stroke-width: 2;
    }

    .video-cta-wrapper {
        position: relative;
        padding-bottom: 56.25%;
        height: 0;
        overflow: hidden;
        border-radius: 2px;
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--gray-200);
    }

    .video-cta-wrapper iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border: 0;
    }

    /* Tiles Showcase */
    .tiles-section {
        padding: 80px 0;
        background: var(--white);
    }

    .section-header {
        text-align: center;
        margin-bottom: 56px;
    }

    .section-tag {
        display: inline-block;
        background: rgba(192, 57, 43, 0.08);
        color: var(--primary);
        padding: 6px 16px;
        border-radius: 2px;
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 12px;
    }

    .section-header h2 {
        font-size: 36px;
        font-weight: 800;
        color: var(--secondary);
        margin-bottom: 12px;
    }

    .section-header p {
        font-size: 16px;
        color: var(--gray-600);
        max-width: 600px;
        margin: 0 auto;
    }

    .tiles-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 24px;
    }

    .tile-card {
        background: var(--white);
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow);
        transition: all 0.3s;
        border: 1px solid rgba(0, 0, 0, 0.04);
    }

    .tile-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
    }

    .tile-card img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        display: block;
    }

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

    .tile-card-body h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--secondary);
        margin-bottom: 6px;
    }

    .tile-card-body p {
        font-size: 13px;
        color: var(--gray-600);
    }

    .tile-dimension {
        display: inline-block;
        background: var(--gray-100);
        padding: 4px 10px;
        border-radius: 2px;
        font-size: 12px;
        font-weight: 600;
        color: var(--secondary);
        margin-top: 8px;
    }

    /* Features */
    .features-section {
        padding: 80px 0;
        background: var(--gray-100);
    }

    .features-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .feature-card {
        background: var(--white);
        border-radius: var(--radius);
        padding: 24px 16px;
        text-align: center;
        transition: all 0.3s;
        border: 1px solid rgba(0, 0, 0, 0.04);
    }

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

    .feature-icon {
        width: 48px;
        height: 48px;
        border-radius: 2px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 12px;
    }

    .feature-icon svg {
        width: 28px;
        height: 28px;
        stroke-width: 1.8;
    }

    .feature-icon.blue svg {
        color: #3498db;
    }

    .feature-icon.green svg {
        color: #27AE60;
    }

    .feature-icon.red svg {
        color: #C0392B;
    }

    .feature-icon.orange svg {
        color: #E67E22;
    }

    .feature-icon.purple svg {
        color: #8e44ad;
    }

    .feature-icon.teal svg {
        color: #16a085;
    }

    .feature-icon.blue {
        background: rgba(52, 152, 219, 0.1);
    }

    .feature-icon.green {
        background: rgba(39, 174, 96, 0.1);
    }

    .feature-icon.red {
        background: rgba(192, 57, 43, 0.1);
    }

    .feature-icon.orange {
        background: rgba(230, 126, 34, 0.1);
    }

    .feature-icon.purple {
        background: rgba(142, 68, 173, 0.1);
    }

    .feature-icon.teal {
        background: rgba(22, 160, 133, 0.1);
    }

    .feature-card h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--secondary);
        margin-bottom: 8px;
    }

    .feature-card p {
        font-size: 14px;
        color: var(--gray-600);
        line-height: 1.6;
    }

    /* Comparison Table */
    .comparison-section {
        padding: 80px 0;
        background: var(--gray-100);
    }

    .comparison-table-wrap {
        overflow-x: auto;
        border-radius: var(--radius);
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--gray-200);
        background: var(--white);
    }

    .comparison-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 14px;
    }

    .comparison-table thead {
        background: var(--secondary);
        color: var(--white);
    }

    .comparison-table th {
        padding: 18px 22px;
        text-align: center;
        font-weight: 600;
        font-size: 13px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .comparison-table th:first-child {
        text-align: left;
    }

    .comparison-table th.highlight {
        background: var(--primary);
        position: relative;
    }

    .comparison-table th.highlight::after {
        content: 'ONURULUR';
        display: none;
    }

    .comparison-table td {
        padding: 16px 22px;
        border-bottom: 1px solid var(--gray-200);
        text-align: center;
        vertical-align: middle;
    }

    .comparison-table td:first-child {
        text-align: left;
        font-weight: 500;
    }

    .comparison-table tbody tr:hover {
        background: rgba(192, 57, 43, 0.02);
    }

    .comparison-table td.highlight {
        background: rgba(192, 57, 43, 0.04);
        font-weight: 600;
    }

    .comparison-table .status-cell {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
    }

    .comparison-table td:first-child .status-cell {
        justify-content: flex-start;
    }

    .check-icon {
        color: var(--success);
    }

    .check-icon svg {
        width: 20px;
        height: 20px;
        stroke-width: 2.5;
    }

    .cross-icon {
        color: #e74c3c;
    }

    .cross-icon svg {
        width: 20px;
        height: 20px;
        stroke-width: 2.5;
    }

    .partial-icon {
        color: var(--accent);
    }

    .partial-icon svg {
        width: 20px;
        height: 20px;
        stroke-width: 2.5;
    }

    .comparison-note {
        margin-top: 20px;
        padding: 16px 24px;
        background: rgba(192, 57, 43, 0.04);
        border-left: 4px solid var(--primary);
        border-radius: 0 2px 2px 0;
        font-size: 14px;
        color: var(--secondary);
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .comparison-note svg {
        width: 20px;
        height: 20px;
        flex-shrink: 0;
        color: var(--primary);
    }

    /* Specs */
    .specs-section {
        padding: 80px 0;
        background: linear-gradient(135deg, var(--dark) 0%, #16213e 100%);
        color: var(--white);
    }

    .specs-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .spec-card {
        text-align: center;
        padding: 32px 20px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: var(--radius);
        border: 1px solid rgba(255, 255, 255, 0.08);
        transition: all 0.3s;
    }

    .spec-card:hover {
        background: rgba(255, 255, 255, 0.08);
        transform: translateY(-4px);
    }

    .spec-card .spec-value {
        font-size: 32px;
        font-weight: 800;
        color: var(--accent);
        display: block;
    }

    .spec-card .spec-label {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.6);
        margin-top: 4px;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    /* CTA Bottom */
    .cta-section {
        padding: 80px 0;
        background: var(--gray-100);
    }

    .cta-card {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        border-radius: 2px;
        padding: 60px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
        color: var(--white);
        position: relative;
        overflow: hidden;
    }

    .cta-card::before {
        content: '';
        position: absolute;
        top: -100px;
        right: -100px;
        width: 300px;
        height: 300px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 50%;
    }

    .cta-card h2 {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 12px;
    }

    .cta-card p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.85);
    }

    .cta-form {
        position: relative;
        z-index: 2;
    }

    .cta-form input,
    .cta-form select {
        width: 100%;
        padding: 12px 14px;
        border: 1.5px solid rgba(255, 255, 255, 0.2);
        border-radius: 2px;
        font-size: 14px;
        font-family: inherit;
        margin-bottom: 12px;
        background: rgba(255, 255, 255, 0.1);
        color: var(--white);
        backdrop-filter: blur(10px);
    }

    .cta-form input::placeholder {
        color: rgba(255, 255, 255, 0.5);
    }

    .cta-form input:focus,
    .cta-form select:focus {
        outline: none;
        border-color: rgba(255, 255, 255, 0.5);
        background: rgba(255, 255, 255, 0.15);
    }

    .cta-form select option {
        color: #333;
    }

    .btn-white {
        width: 100%;
        padding: 14px;
        background: var(--white);
        color: var(--primary);
        border: none;
        border-radius: 2px;
        font-size: 16px;
        font-weight: 700;
        cursor: pointer;
        transition: all 0.3s;
        font-family: inherit;
    }

    .btn-white:hover {
        background: var(--gray-100);
        transform: translateY(-1px);
    }

    /* Footer */
    .footer {
        background: var(--dark);
        color: rgba(255, 255, 255, 0.6);
        padding: 48px 0 24px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 36px;
    }

    .footer h5 {
        color: var(--white);
        font-size: 14px;
        font-weight: 700;
        margin-bottom: 16px;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .footer p,
    .footer a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.5);
        text-decoration: none;
        line-height: 1.8;
    }

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

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding-top: 24px;
        text-align: center;
        font-size: 13px;
    }

    /* WhatsApp Float */
    .whatsapp-float {
        position: fixed;
        bottom: 24px;
        right: 24px;
        width: 56px;
        height: 56px;
        background: #25D366;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
        z-index: 9999;
        transition: all 0.3s;
        text-decoration: none;
    }

    .whatsapp-float:hover {
        transform: scale(1.1);
        box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
        fill: white;
    }

    /* Phone Float */
    .phone-float {
        position: fixed;
        bottom: 92px;
        right: 24px;
        width: 56px;
        height: 56px;
        background: var(--primary);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 16px rgba(192, 57, 43, 0.4);
        z-index: 9999;
        transition: all 0.3s;
        text-decoration: none;
    }

    .phone-float:hover {
        transform: scale(1.1);
    }

    .phone-float svg {
        width: 24px;
        height: 24px;
        fill: white;
    }

    /* Video Action Buttons */
    .video-action-btns {
        display: flex;
        gap: 16px;
        margin-top: 24px;
        justify-content: center;
    }

    .btn-action-call {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 28px;
        background: var(--primary);
        color: var(--white);
        text-decoration: none;
        font-weight: 700;
        font-size: 15px;
        border-radius: 2px;
        transition: all 0.3s;
        border: 2px solid var(--primary);
    }

    .btn-action-call:hover {
        background: var(--primary-dark);
        border-color: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(192, 57, 43, 0.3);
    }

    .btn-action-call svg {
        width: 18px;
        height: 18px;
    }

    .btn-action-whatsapp {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 28px;
        background: #25D366;
        color: var(--white);
        text-decoration: none;
        font-weight: 700;
        font-size: 15px;
        border-radius: 2px;
        transition: all 0.3s;
        border: 2px solid #25D366;
    }

    .btn-action-whatsapp:hover {
        background: #1da851;
        border-color: #1da851;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    }

    .btn-action-whatsapp svg {
        width: 18px;
        height: 18px;
        fill: white;
    }

    /* Content Sections */
    .content-section {
        padding: 80px 0;
        background: var(--white);
    }

    .content-section:nth-child(even) {
        background: var(--gray-100);
    }

    .content-section .content-body {
        max-width: 900px;
        margin: 0 auto;
        font-size: 15px;
        line-height: 1.8;
        color: var(--gray-600);
    }

    .content-section .content-body h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--secondary);
        margin: 32px 0 12px;
    }

    .content-section .content-body p {
        margin-bottom: 16px;
    }

    .content-section .content-body ul {
        padding-left: 20px;
        margin-bottom: 16px;
    }

    .content-section .content-body ul li {
        margin-bottom: 8px;
        position: relative;
        padding-left: 8px;
    }

    /* Advantages Grid */
    .advantages-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        margin-top: 36px;
    }

    .advantage-card {
        background: var(--white);
        border-radius: 2px;
        padding: 28px 24px;
        box-shadow: var(--shadow);
        border: 1px solid rgba(0, 0, 0, 0.04);
        transition: all 0.3s;
        text-align: center;
    }

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

    .advantage-card .adv-icon {
        width: 48px;
        height: 48px;
        border-radius: 2px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 14px;
        background: rgba(192, 57, 43, 0.08);
        color: var(--primary);
    }

    .advantage-card .adv-icon svg {
        width: 24px;
        height: 24px;
    }

    .advantage-card h4 {
        font-size: 15px;
        font-weight: 700;
        color: var(--secondary);
        margin-bottom: 8px;
    }

    .advantage-card p {
        font-size: 13px;
        color: var(--gray-600);
        line-height: 1.6;
    }

    /* Materials Grid */
    .materials-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        margin-top: 36px;
    }

    .material-card {
        background: var(--white);
        border-radius: 2px;
        padding: 28px;
        box-shadow: var(--shadow);
        border: 1px solid rgba(0, 0, 0, 0.04);
        transition: all 0.3s;
        border-left: 4px solid var(--primary);
    }

    .material-card:hover {
        box-shadow: var(--shadow-lg);
    }

    .material-card h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--secondary);
        margin-bottom: 10px;
    }

    .material-card p {
        font-size: 14px;
        color: var(--gray-600);
        line-height: 1.7;
    }

    /* FAQ Accordion */
    .faq-section {
        padding: 80px 0;
        background: var(--gray-100);
    }

    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--white);
        border-radius: 2px;
        margin-bottom: 12px;
        box-shadow: var(--shadow);
        border: 1px solid rgba(0, 0, 0, 0.04);
        overflow: hidden;
    }

    .faq-question {
        width: 100%;
        background: none;
        border: none;
        padding: 20px 24px;
        font-size: 15px;
        font-weight: 600;
        color: var(--secondary);
        text-align: left;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        font-family: inherit;
        transition: background 0.2s;
    }

    .faq-question:hover {
        background: var(--gray-100);
    }

    .faq-question svg {
        width: 20px;
        height: 20px;
        stroke: var(--gray-600);
        transition: transform 0.3s;
        flex-shrink: 0;
    }

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

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

    .faq-answer-inner {
        padding: 0 24px 20px;
        font-size: 14px;
        line-height: 1.7;
        color: var(--gray-600);
    }

    /* Methods - Doğru / Yanlış */
    .methods-section {
        padding: 80px 0;
        background: var(--white);
    }

    .methods-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .method-card {
        background: var(--white);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        overflow: hidden;
        border: 1px solid rgba(0, 0, 0, 0.04);
        transition: all 0.3s;
    }

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

    .method-card-header {
        padding: 16px 20px;
        font-size: 15px;
        font-weight: 700;
        color: var(--secondary);
        border-bottom: 1px solid var(--gray-200);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .method-card-header span {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        font-size: 13px;
        font-weight: 800;
        color: var(--white);
        background: var(--secondary);
        flex-shrink: 0;
    }

    .method-pair {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .method-item {
        position: relative;
        text-align: center;
    }

    .method-item+.method-item {
        border-left: 1px solid var(--gray-200);
    }

    .method-label {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        padding: 10px;
        font-size: 13px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .method-label.correct {
        background: rgba(39, 174, 96, 0.08);
        color: #27AE60;
    }

    .method-label.wrong {
        background: rgba(231, 76, 60, 0.08);
        color: #e74c3c;
    }

    .method-label svg {
        width: 16px;
        height: 16px;
        stroke-width: 2.5;
    }

    .method-item img {
        width: 100%;
        height: 220px;
        object-fit: contain;
        padding: 12px;
        background: var(--gray-100);
    }

    .method-desc {
        padding: 12px 16px;
        font-size: 13px;
        color: var(--gray-600);
        line-height: 1.5;
        min-height: 52px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Responsive */
    @media (max-width: 968px) {
        .nav-links {
            display: none;
        }

        .nav-cta-desktop {
            display: none;
        }

        .hamburger {
            display: flex;
        }

        .hero .container {
            grid-template-columns: 1fr;
            gap: 40px;
        }

        .hero h1 {
            font-size: 32px;
        }

        .features-grid {
            grid-template-columns: repeat(3, 1fr);
        }

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

        .cta-card {
            grid-template-columns: 1fr;
            padding: 40px;
        }

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

        .video-cta-section .container {
            grid-template-columns: 1fr;
            gap: 36px;
        }

        .video-action-btns {
            flex-direction: column;
        }

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

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

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

    @media (max-width: 640px) {
        .hero {
            padding: 48px 0 40px;
        }

        .hero h1 {
            font-size: 28px;
        }

        .hero-stats {
            gap: 20px;
        }

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

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

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

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

        .top-bar .container {
            justify-content: center;
        }

        .top-bar-right {
            display: none;
        }

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

        .cta-card {
            padding: 28px;
        }
    }

    /* CTA Section Between */
    .cta-between-section {
        padding: 60px 20px;
        background: linear-gradient(135deg, rgba(192, 57, 43, 0.08) 0%, rgba(230, 126, 34, 0.06) 100%);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .cta-between-content {
        width: 1300px;
        max-width: 100%;
        background: var(--white);
        border-radius: 12px;
        padding: 48px 40px;
        box-shadow: var(--shadow);
        display: flex;
        align-items: center;
        gap: 40px;
    }

    .cta-between-text h3 {
        font-size: 24px;
        color: var(--secondary);
        margin-bottom: 12px;
    }

    .cta-between-text p {
        color: var(--gray-600);
        font-size: 15px;
        line-height: 1.6;
    }

    .cta-between-button {
        background: var(--primary);
        color: white;
        padding: 14px 36px;
        border: none;
        border-radius: 8px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: background 0.3s, transform 0.2s;
        white-space: nowrap;
        margin-top: 16px;
    }

    .cta-between-button:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
    }

    .cta-button-group {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        margin-top: 16px;
    }

    .cta-action-button {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 20px;
        border: 2px solid #e0e0e0;
        border-radius: 8px;
        text-decoration: none;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s;
        white-space: nowrap;
    }

    .cta-action-button.cta-call {
        color: var(--secondary);
        background: rgba(44, 62, 80, 0.05);
        border-color: rgba(44, 62, 80, 0.2);
    }

    .cta-action-button.cta-call:hover {
        background: rgba(44, 62, 80, 0.1);
        border-color: var(--secondary);
        transform: translateY(-2px);
    }

    .cta-action-button.cta-whatsapp {
        color: #25D366;
        background: rgba(37, 211, 102, 0.05);
        border-color: rgba(37, 211, 102, 0.2);
    }

    .cta-action-button.cta-whatsapp:hover {
        background: rgba(37, 211, 102, 0.1);
        border-color: #25D366;
        transform: translateY(-2px);
    }

    @media (max-width: 768px) {
        .cta-between-content {
            flex-direction: column;
            padding: 32px;
            gap: 24px;
        }

        .cta-between-text h3 {
            font-size: 20px;
        }

        .cta-between-text p {
            font-size: 14px;
        }

        .cta-between-button {
            width: 100%;
            justify-content: center;
        }

        .cta-button-group {
            flex-direction: column;
            gap: 10px;
        }

        .cta-action-button {
            width: 100%;
            justify-content: center;
            padding: 11px 16px;
            font-size: 13px;
        }
    }

    /* Animations */
    .fade-up {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .fade-up.visible {
        opacity: 1;
        transform: translateY(0);
    }

    /* ================================
       AKSESUARLAR BÖLÜMÜ
    ================================ */
    .accessories-section {
        padding: 80px 0;
        background: #f4f6f8;
        border-top: 1px solid var(--gray-200);
    }

    .accessories-grid {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 20px;
        margin-bottom: 48px;
    }

    .accessory-card {
        background: var(--white);
        border-radius: 4px;
        overflow: hidden;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
        border: 1px solid rgba(0, 0, 0, 0.05);
        transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        display: flex;
        flex-direction: column;
    }

    .accessory-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.13);
        border-color: rgba(192, 57, 43, 0.15);
    }

    .accessory-img-wrap {
        width: 100%;
        aspect-ratio: 1 / 1;
        overflow: hidden;
        background: var(--gray-100);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .accessory-img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
        transition: transform 0.4s ease;
    }

    .accessory-card:hover .accessory-img-wrap img {
        transform: scale(1.06);
    }

    .accessory-card-body {
        padding: 14px 16px 18px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .accessory-card-body h4 {
        font-size: 14px;
        font-weight: 700;
        color: var(--secondary);
        margin-bottom: 6px;
        line-height: 1.3;
    }

    .accessory-card-body p {
        font-size: 12px;
        color: var(--gray-600);
        line-height: 1.55;
        flex: 1;
    }

    /* Accessories CTA Bar */
    .accessories-cta {
        background: var(--white);
        border: 1px solid var(--gray-200);
        border-radius: 4px;
        padding: 28px 32px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        flex-wrap: wrap;
    }

    .accessories-cta p {
        font-size: 15px;
        color: var(--secondary);
        font-weight: 500;
        margin: 0;
        flex: 1;
        min-width: 200px;
    }

    .accessories-cta-btns {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        align-items: center;
    }

    .btn-acc-call,
    .btn-acc-whatsapp,
    .btn-acc-quote {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 11px 22px;
        border-radius: 3px;
        font-size: 14px;
        font-weight: 600;
        text-decoration: none;
        transition: all 0.25s;
        white-space: nowrap;
        font-family: inherit;
    }

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

    .btn-acc-call:hover {
        background: transparent;
        color: var(--secondary);
    }

    .btn-acc-whatsapp {
        background: #25D366;
        color: var(--white);
        border: 2px solid #25D366;
    }

    .btn-acc-whatsapp:hover {
        background: transparent;
        color: #25D366;
    }

    .btn-acc-quote {
        background: var(--primary);
        color: var(--white);
        border: 2px solid var(--primary);
    }

    .btn-acc-quote:hover {
        background: transparent;
        color: var(--primary);
    }

    /* Responsive: Accessories */
    @media (max-width: 1200px) {
        .accessories-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    @media (max-width: 900px) {
        .accessories-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    @media (max-width: 640px) {
        .accessories-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .accessories-cta {
            flex-direction: column;
            align-items: flex-start;
            padding: 20px;
        }

        .accessories-cta-btns {
            width: 100%;
        }

        .btn-acc-call,
        .btn-acc-whatsapp,
        .btn-acc-quote {
            flex: 1;
            justify-content: center;
            font-size: 13px;
            padding: 10px 14px;
        }
    }