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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #7c3aed;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --transition: all 0.3s ease;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body.dark-mode {
    --bg-primary: #1a1f36;
    --bg-secondary: #0f172a;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #334155;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* ===== Navigation ===== */
.navbar {
    background: var(--bg-primary);
    box-shadow: 0 1px 3px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    position: relative;
    width: 100%;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -1px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    display: block;
}

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

.nav-links .btn-nav {
    padding: 0.6rem 1.2rem;
    border-radius: 0.5rem;
    font-size: 0.95rem;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 0.4rem;
    z-index: 101;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mode Toggle Button */
.mode-toggle {
    background: none;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
}

.mode-toggle:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

body.dark-mode .mode-toggle {
    border-color: #fbbf24;
    color: #fbbf24;
}

body.dark-mode .mode-toggle:hover {
    background: #fbbf24;
    color: #1a1f36;
}

/* ===== Buttons ===== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.btn-primary.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-decoration: none;
}

.btn-secondary:hover {
    background: var(--bg-secondary);
}

.btn-secondary.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-buttons button {
    font-size: 1.1rem;
}

.hero-collaboration {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.collab-header {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

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

.collab-details p {
    color: rgba(255, 255, 255, 0.95);
    margin: 0.5rem 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.collab-details p strong {
    color: #fbbf24;
    font-weight: 700;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.stat {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 0.75rem;
    backdrop-filter: blur(10px);
}

.stat h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ===== Features Section ===== */
.features {
    padding: 5rem 0;
    background-color: var(--bg-secondary);
}

.features h2,
.roadmap h2,
.pricing h2,
.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* ===== About Us Section ===== */
.about {
    padding: 5rem 0;
    background: var(--bg-primary);
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.highlight-item {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary-color);
}

.highlight-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.highlight-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

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

.about-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    box-shadow: 0 10px 40px rgba(37, 99, 235, 0.3);
}

.about-image-img {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 1rem;
    object-fit: cover;
    box-shadow: 0 10px 40px var(--shadow-color);
    transition: transform 0.3s ease;
}

.about-image-img:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .navbar {
        padding: 0.75rem 0;
    }

    .navbar .container {
        flex-direction: column;
        gap: 0.75rem;
        padding: 0.75rem 15px;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
    }

    .logo {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 2rem !important;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons button {
        width: 100%;
    }

    .hero-collaboration {
        margin: 1.5rem 0;
        padding: 1.5rem;
    }

    .collab-details p {
        font-size: 0.9rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about h2 {
        font-size: 2rem;
    }

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

    .about-text p {
        font-size: 1rem;
    }

    .about-highlights {
        margin-bottom: 2rem;
    }

    .highlight-item {
        padding: 1.25rem;
    }

    .about-image-img {
        max-height: 350px;
        aspect-ratio: 1;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-card h3 {
        font-size: 1.2rem;
    }

    .feature-card p {
        font-size: 0.9rem;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .pricing-card {
        padding: 2rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .price {
        font-size: 2rem;
    }

    .roadmap-items {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .roadmap-card {
        padding: 1.5rem;
    }

    .comparison-matrix {
        font-size: 0.85rem;
    }

    .comparison-matrix th,
    .comparison-matrix td {
        padding: 0.75rem;
    }

    .unique-features {
        padding: 1.5rem;
    }

    .unique-features h3 {
        font-size: 1.8rem;
    }

    .features-showcase {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-showcase-item {
        padding: 1.25rem;
    }

    .feature-showcase-item h4 {
        font-size: 1.1rem;
    }

    .detection-pipeline {
        padding: 2rem;
    }

    .detection-pipeline h3 {
        font-size: 1.8rem;
    }

    .row-top {
        gap: 1rem;
    }

    .step-number {
        width: 65px;
        height: 65px;
        font-size: 1.3rem;
    }

    .step p {
        font-size: 0.8rem;
    }

    .contact {
        padding: 3rem 0;
    }

    .contact h2 {
        font-size: 2rem;
    }

    .contact-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .contact-buttons button {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .comparison-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 1px 3px var(--shadow-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow-color);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Detection Pipeline ===== */
.detection-pipeline {
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    padding: 3.5rem;
    border-radius: 1.5rem;
    border: 2px solid var(--primary-color);
    margin-top: 3rem;
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.1);
}

.detection-pipeline h3 {
    text-align: center;
    margin-bottom: 3.5rem;
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pipeline-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.pipeline-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.row-top {
    flex-wrap: wrap;
}

.row-bottom {
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.step-connector {
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 0 -5px;
    z-index: 0;
}

.row-top .step-connector {
    display: flex;
}

.row-bottom .step-connector {
    display: none;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.35);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    z-index: 1;
}

.step:hover .step-number {
    transform: scale(1.12) translateY(-8px);
    box-shadow: 0 14px 35px rgba(37, 99, 235, 0.5);
}

.step p {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}

@media (max-width: 1024px) {
    .row-top {
        gap: 1rem;
    }
    
    .step-connector {
        width: 25px;
    }
    
    .step-number {
        width: 70px;
        height: 70px;
        font-size: 1.5rem;
    }
    
    .step p {
        font-size: 0.85rem;
        white-space: normal;
    }
}

@media (max-width: 768px) {
    .detection-pipeline {
        padding: 2.5rem;
    }
    
    .row-top, .row-bottom {
        gap: 1rem;
    }
    
    .step-connector {
        width: 0;
    }
    
    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.2rem;
    }
    
    .step p {
        font-size: 0.75rem;
        max-width: 70px;
    }
}

/* ===== Roadmap Section ===== */
.roadmap {
    padding: 5rem 0;
    background: var(--bg-primary);
}

.roadmap-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.roadmap-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 1rem;
    border: 2px solid var(--border-color);
    position: relative;
    transition: var(--transition);
}

.roadmap-card.coming-soon {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05), rgba(124, 58, 237, 0.1));
}

.roadmap-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.roadmap-badge {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.roadmap-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.roadmap-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.roadmap-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.roadmap-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.roadmap-features span {
    background: var(--bg-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 0.4rem;
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 500;
    border: 1px solid var(--accent-color);
}

/* ===== Pricing Section ===== */
.pricing {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.pricing-card {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 2px solid var(--border-color);
    position: relative;
    transition: var(--transition);
    text-align: center;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
}

.pricing-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.badge {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    margin-top: 0.5rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.price span {
    font-size: 1rem;
    color: var(--text-secondary);
}

.price-subtitle {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-card button {
    width: 100%;
}

/* ===== Comparison Table ===== */
.comparison-table {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    margin-top: 3rem;
}

.comparison-table h3 {
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--bg-secondary);
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

/* ===== Comparison Section ===== */
.comparison {
    padding: 5rem 0;
    background: var(--bg-primary);
}

.comparison h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--text-primary);
}

.comparison-container {
    margin-top: 3rem;
    overflow-x: auto;
}

.comparison-matrix {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
}

.comparison-matrix thead {
    background: var(--bg-secondary);
}

.comparison-matrix th {
    padding: 1.5rem;
    text-align: center;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-color);
    white-space: nowrap;
}

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

.comparison-matrix td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-align: center;
}

.comparison-matrix td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--text-primary);
}

.phishx-col {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(30, 64, 175, 0.05));
    color: var(--primary-color) !important;
    font-weight: 600 !important;
}

.comparison-matrix tbody tr:last-child td {
    border-bottom: none;
}

/* ===== Unique Features Section ===== */
.unique-features {
    margin-top: 5rem;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(124, 58, 237, 0.05));
    border-radius: 1.5rem;
    border: 2px solid var(--primary-color);
}

.unique-features h3 {
    font-size: 2rem;
    margin-bottom: 2.5rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-showcase-item {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.feature-showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px var(--shadow-color);
    border-color: var(--primary-color);
}

.feature-showcase-item h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 700;
}

.feature-showcase-item p {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-showcase-item ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.feature-showcase-item li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.5;
}

.feature-showcase-item li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.feature-showcase-item li strong {
    color: var(--text-primary);
}

.comparison-benefits {
    margin-top: 4rem;
    padding: 3rem;
    background: var(--bg-secondary);
    border-radius: 1.5rem;
    border: 2px solid var(--primary-color);
}

.comparison-benefits h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-color);
    border-color: var(--primary-color);
}

.benefit-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.benefit-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .navbar-container {
        padding: 0.75rem 20px;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        gap: 0;
        padding: 0;
        margin: 0;
        border-top: 2px solid var(--border-color);
        box-shadow: 0 4px 12px var(--shadow-color);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        z-index: 100;
    }

    .nav-links.active {
        max-height: 500px;
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 1rem 20px;
        min-height: 44px;
        display: flex;
        align-items: center;
        font-size: 1rem;
        color: var(--text-primary);
    }

    .nav-links .btn-primary {
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        color: white;
        width: calc(100% - 40px);
        margin: 0.75rem 20px;
        border-radius: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }

    .nav-links li:nth-last-child(2) {
        border-bottom: 1px solid var(--border-color);
    }

    .comparison-matrix {
        font-size: 0.85rem;
    }
    
    .comparison-matrix th,
    .comparison-matrix td {
        padding: 0.75rem;
    }
    
    .features-showcase {
        grid-template-columns: 1fr;
    }
    
    .benefit-card {
        padding: 1.5rem;
    }
}

/* ===== Contact Section ===== */
.contact {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.contact h2 {
    color: white;
}

.contact p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.contact-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.contact-info {
    color: rgba(255, 255, 255, 0.9);
}

.contact-info a {
    color: white;
    text-decoration: none;
    font-weight: 600;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-bg);
    color: #cbd5e1;
    padding: 3rem 0 1rem;
}

body.dark-mode .footer {
    background: #0f1419;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p {
    font-size: 0.9rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

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

    .features h2,
    .roadmap h2,
    .pricing h2,
    .contact h2 {
        font-size: 1.8rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

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

    .hero-buttons button,
    .contact-buttons button {
        width: 100%;
        max-width: 300px;
    }

    .comparison-table {
        overflow-x: auto;
    }

    table {
        font-size: 0.9rem;
    }

    th, td {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    .container {
        padding: 0 15px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.5rem;
    }

    .navbar .container {
        flex-direction: column;
        gap: 1rem;
        padding: 0.75rem 15px;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero-content h1 {
        font-size: 1.8rem;
        line-height: 1.2;
    }

    .hero-content p {
        font-size: 0.95rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hero-buttons button {
        width: 100%;
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
    }

    .hero-collaboration {
        margin: 1.5rem 0;
        padding: 1.5rem;
    }

    .collab-header {
        font-size: 1rem;
    }

    .collab-details p {
        font-size: 0.85rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 2rem;
    }

    .stat {
        padding: 1rem;
    }

    .stat h3 {
        font-size: 2rem;
    }

    .stat p {
        font-size: 0.85rem;
    }

    h2 {
        font-size: 1.8rem !important;
    }

    .section-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }

    .features-grid,
    .pricing-grid,
    .roadmap-items,
    .benefits-grid,
    .features-showcase {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card,
    .pricing-card,
    .roadmap-card,
    .benefit-card,
    .feature-showcase-item {
        padding: 1.5rem;
    }

    .feature-card h3,
    .pricing-card h3,
    .roadmap-card h3 {
        font-size: 1.1rem;
    }

    .feature-card p,
    .pricing-card p,
    .roadmap-card p {
        font-size: 0.9rem;
    }

    .price {
        font-size: 2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .about-text p {
        font-size: 0.95rem;
    }

    .about-highlights {
        margin-bottom: 2rem;
    }

    .highlight-item {
        padding: 1rem;
        margin-bottom: 0.5rem;
    }

    .highlight-item h4 {
        font-size: 1rem;
    }

    .highlight-item p {
        font-size: 0.85rem;
    }

    .about-image-img {
        aspect-ratio: 1;
        height: auto;
    }

    .comparison-matrix {
        font-size: 0.75rem;
    }

    .comparison-matrix th,
    .comparison-matrix td {
        padding: 0.5rem;
    }

    .unique-features {
        padding: 1.5rem;
        margin-top: 2rem;
    }

    .unique-features h3 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .feature-showcase-item {
        padding: 1rem;
    }

    .feature-showcase-item h4 {
        font-size: 1rem;
    }

    .feature-showcase-item p {
        font-size: 0.8rem;
    }

    .feature-showcase-item li {
        font-size: 0.8rem;
        margin-bottom: 0.4rem;
        padding-left: 1.2rem;
    }

    .detection-pipeline {
        padding: 1.5rem;
        margin-top: 2rem;
    }

    .detection-pipeline h3 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .row-top,
    .row-bottom {
        gap: 0.75rem;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }

    .step p {
        font-size: 0.7rem;
        max-width: 60px;
    }

    .step-connector {
        width: 0;
        display: none;
    }

    .comparison-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .comparison-matrix {
        min-width: 100%;
    }

    .contact {
        padding: 3rem 0;
    }

    .contact h2 {
        font-size: 1.8rem;
    }

    .contact p {
        font-size: 0.95rem;
    }

    .contact-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .contact-buttons button {
        width: 100%;
    }

    .contact-info {
        font-size: 0.9rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-section h4 {
        font-size: 1rem;
    }

    .footer-section p,
    .footer-section a {
        font-size: 0.85rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .mode-toggle {
        min-width: 48px;
        min-height: 48px;
        font-size: 1.3rem;
        padding: 0.5rem 0.75rem;
    }

    .hamburger {
        display: flex;
        min-width: 44px;
        min-height: 44px;
    }

    .hamburger span {
        width: 22px;
        height: 2.5px;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        gap: 0;
        padding: 0;
        margin: 0;
        border-top: 2px solid var(--border-color);
        box-shadow: 0 4px 12px var(--shadow-color);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        z-index: 100;
    }

    .nav-links.active {
        max-height: 600px;
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 1.2rem 20px;
        min-height: 48px;
        display: flex;
        align-items: center;
        font-size: 1.05rem;
        font-weight: 600;
        color: var(--text-primary);
        transition: background-color 0.2s ease;
    }

    .nav-links a:active {
        background-color: var(--bg-secondary);
    }

    .nav-links .btn-primary {
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        color: white;
        width: calc(100% - 40px);
        margin: 1rem 20px;
        border-radius: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 1rem 1.5rem;
        font-size: 1.05rem;
        font-weight: 600;
        height: auto;
    }

    .nav-links li:nth-last-child(2) {
        border-bottom: 1px solid var(--border-color);
    }

    .container {
        padding: 0 15px;
    }

    .navbar-container {
        padding: 0.75rem 15px;
    }

    .logo {
        font-size: 1.4rem;
    }

    body {
        font-size: 15px;
    }

    .hero-buttons button {
        width: 100%;
        font-size: 1.05rem;
        padding: 0.85rem 1.5rem;
        min-height: 48px;
    }

    .contact-buttons button {
        width: 100%;
        min-height: 48px;
        font-size: 1.05rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 0.75rem 1.2rem;
        font-size: 1.05rem;
        min-height: 48px;
    }

    .btn-large {
        padding: 1rem 1.5rem;
    }
}