:root {
    --primary-color: #00CED1;
    --secondary-color: #20B2AA;
    --dark-bg: #0A0E27;
    --darker-bg: #060915;
    --card-bg: #131832;
    --text-light: #E8E8E8;
    --text-muted: #A0A0A0;
    --accent-gradient: linear-gradient(135deg, #00CED1 0%, #20B2AA 100%);
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --card-padding: 2rem;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 10px 40px rgba(0, 206, 209, 0.25);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(15px);
    z-index: 1000;
    padding: 1.2rem 0;
    border-bottom: 1px solid rgba(0, 206, 209, 0.3);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 3rem;
}

.logo img {
    height: 40px;
    width: auto;
    max-width: 100%;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.sign-in-btn {
    background: var(--accent-gradient);
    padding: 0.7rem 1.5rem;
    border-radius: var(--border-radius);
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    white-space: nowrap;
}

.sign-in-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 206, 209, 0.4);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    padding-top: 120px;
    padding-bottom: 6rem;
}

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

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.hero-content .subheading {
    font-size: 1.15rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-content p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

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

.hero-image {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 206, 209, 0.2);
    box-shadow: var(--card-shadow);
}

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

.btn {
    padding: 0.9rem 2.2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 206, 209, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 206, 209, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.section {
    padding: 8rem 0;
}

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

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

.section h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.section h4 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--primary-color);
}

.intro-text {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.closing-text {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-top: 2rem;
    font-style: italic;
}

.problem-list {
    list-style: none;
    margin: 2rem 0;
}

.problem-list li {
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: var(--card-bg);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
}

.simple-list {
    list-style: none;
    margin: 2rem 0;
}

.simple-list li {
    padding: 0.8rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.simple-list li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.chessboard-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
    align-items: center;
}

.chessboard-image {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 206, 209, 0.2);
    box-shadow: var(--card-shadow);
}

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

.chessboard-content h3 {
    margin-bottom: 1rem;
}

.chessboard-content > p {
    margin-bottom: 2rem;
}

.chess-pieces {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.chess-piece {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 206, 209, 0.1);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.chess-piece:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
}

.chess-piece h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.chess-piece p {
    margin-bottom: 0.5rem;
}

.logo-center {
    text-align: center;
    margin-bottom: 3rem;
}

.logo-center img {
    max-width: 400px;
    width: 100%;
    height: auto;
}

.security-memory {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    margin: 2rem 0;
    box-shadow: var(--card-shadow);
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 206, 209, 0.1);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

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

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.intelligence-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
    align-items: center;
}

.intelligence-image {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 206, 209, 0.2);
    box-shadow: var(--card-shadow);
}

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

.intelligence-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.impact-list {
    list-style: none;
    margin: 1.5rem 0;
}

.impact-list li {
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: var(--card-bg);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
}

.services-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
    align-items: center;
}

.services-image {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 206, 209, 0.2);
    box-shadow: var(--card-shadow);
}

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

.services-content {
    display: grid;
    gap: 1.5rem;
}

.service-card {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 206, 209, 0.1);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

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

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.package-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 2px solid rgba(0, 206, 209, 0.2);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

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

.package-card h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.package-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.package-card ul {
    list-style: none;
}

.package-card ul li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.package-card ul li:last-child {
    border-bottom: none;
}

.package-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 3rem 0;
}

.why-column {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 206, 209, 0.1);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.why-column:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
}

.why-column h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.why-column ul {
    list-style: none;
}

.why-column ul li {
    padding: 0.8rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.why-column ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.contact-form {
    max-width: 600px;
    margin: 3rem auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 0.9rem;
    background: var(--card-bg);
    border: 1px solid rgba(0, 206, 209, 0.2);
    border-radius: var(--border-radius);
    color: var(--text-light);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 206, 209, 0.15);
}

.contact-form button {
    grid-column: 1 / -1;
}

.footer {
    background-color: var(--darker-bg);
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(0, 206, 209, 0.3);
}

.footer p {
    color: var(--text-muted);
    font-style: italic;
    font-size: 1.1rem;
}

@media (max-width: 1024px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.85rem;
    }
    
    .hero-grid,
    .chessboard-layout,
    .intelligence-layout,
    .services-layout,
    .why-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .chessboard-image,
    .intelligence-image,
    .services-image {
        order: -1;
    }
    
    .section {
        padding: 6rem 0;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
    }
    
    .nav-links {
        width: 100%;
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    
    .sign-in-btn {
        width: 100%;
        text-align: center;
    }
    
    .hero {
        padding-top: 180px;
        padding-bottom: 4rem;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .section h2 {
        font-size: 2rem;
    }
    
    .section h3 {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .chess-pieces {
        grid-template-columns: 1fr;
    }
    
    .logo-center img {
        max-width: 300px;
    }
    
    .hero-image,
    .chessboard-image,
    .intelligence-image,
    .services-image {
        padding: 1.5rem;
    }
    
    .hero-image img,
    .chessboard-image img,
    .intelligence-image img,
    .services-image img {
        width: 100%;
        max-width: 100%;
        height: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section h2 {
        font-size: 1.7rem;
    }
    
    .logo-center img {
        max-width: 250px;
    }
    
    .hero-image,
    .chessboard-image,
    .intelligence-image,
    .services-image,
    .chess-piece,
    .feature-card,
    .service-card,
    .package-card,
    .why-column {
        padding: 1.2rem;
    }
}