:root {
    --bg-gradient-start: #1a1a2e;
    --bg-gradient-end: #16213e;
    --neon-blue: #00f3ff;
    --neon-green: #39ff14;
    --neon-purple: #b026ff;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --card-bg: rgba(26, 26, 46, 0.8);
    --card-border: rgba(0, 243, 255, 0.2);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.95);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

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

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--neon-blue);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(rgba(26, 26, 46, 0.6), rgba(22, 33, 62, 0.6)),
                url('../images/tech-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    margin-top: 70px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 243, 255, 0.08),
        rgba(57, 255, 20, 0.08),
        rgba(176, 38, 255, 0.08));
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    animation: fadeIn 1s ease-out;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--neon-blue);
    text-shadow: 0 0 20px var(--neon-blue);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* App Cards */
.apps {
    padding: 120px 2rem 4rem;
    min-height: 100vh;
}

.apps h2 {
    text-align: center;
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--neon-green);
    text-shadow: 0 0 15px var(--neon-green);
}

.app-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.app-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: slideUp 0.5s ease-out;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px var(--neon-blue);
}

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

.app-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--neon-purple);
}

.platform {
    color: var(--neon-green);
    margin-bottom: 1rem;
}

.features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin: 1.5rem 0;
}

.features span {
    background: rgba(0, 243, 255, 0.1);
    padding: 0.5rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    white-space: nowrap;
}

/* Contact Form */
.contact {
    padding: 120px 2rem 4rem;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-gradient-end), var(--bg-gradient-start));
}

.contact h2 {
    text-align: center;
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--neon-purple);
    text-shadow: 0 0 15px var(--neon-purple);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--card-border);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--neon-blue);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* Buttons */
.cta-button,
.download-button,
.submit-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: transparent;
    border: 2px solid var(--neon-blue);
    border-radius: 30px;
    color: var(--neon-blue);
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.cta-button:hover,
.download-button:hover,
.submit-button:hover {
    background: var(--neon-blue);
    color: var(--bg-gradient-start);
    box-shadow: 0 0 20px var(--neon-blue);
}

/* Footer */
footer {
    background: rgba(26, 26, 46, 0.95);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--card-border);
}

.legal-links {
    margin-bottom: 1rem;
}

.legal-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

.legal-links a:hover {
    color: var(--neon-blue);
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(26, 26, 46, 0.95);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        transition: 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero {
        background-attachment: scroll;
        background-position: center top;
    }

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

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

    .apps {
        padding: 100px 1rem 2rem;
    }

    .apps h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .app-card {
        padding: 1.2rem;
    }

    .app-icon {
        font-size: 2.5rem;
    }

    .app-card h3 {
        font-size: 1.5rem;
    }

    .features {
        gap: 0.5rem;
    }

    .features span {
        font-size: 0.8rem;
        padding: 0.4rem 0.7rem;
    }

    .installation-guide {
        padding: 0.8rem;
    }

    .installation-guide h4 {
        font-size: 1rem;
    }

    .installation-guide ol {
        font-size: 0.85rem;
    }

    .download-button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
        font-size: 0.9rem;
    }
}

/* Utility Classes */
.installation-guide {
    margin: 1.5rem 0;
    padding: 1rem;
    background: rgba(0, 243, 255, 0.05);
    border-radius: 10px;
}

.installation-guide h4 {
    color: var(--neon-blue);
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.installation-guide ol {
    padding-left: 1.2rem;
    font-size: 0.9rem;
}

.installation-guide li {
    margin-bottom: 0.5rem;
}

.contact-info {
    text-align: center;
    margin-top: 2rem;
}

.contact-info a {
    color: var(--neon-blue);
    text-decoration: none;
}

.contact-info a:hover {
    text-shadow: 0 0 10px var(--neon-blue);
}

/* Legal Pages */
.legal-content {
    padding: 120px 2rem 4rem;
    max-width: 800px;
    margin: 0 auto;
}

.legal-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 2rem;
    animation: fadeIn 1s ease-out;
}

.legal-section h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    color: var(--neon-blue);
    text-shadow: 0 0 15px var(--neon-blue);
    margin-bottom: 2rem;
    text-align: center;
}

.legal-text h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    color: var(--neon-green);
    margin: 2rem 0 1rem;
}

.legal-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.legal-text ul {
    list-style: none;
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.legal-text ul li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    position: relative;
}

.legal-text ul li::before {
    content: "•";
    color: var(--neon-blue);
    position: absolute;
    left: -1.5rem;
}

.legal-text a {
    color: var(--neon-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

.legal-text a:hover {
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}

@media (max-width: 768px) {
    .legal-content {
        padding: 100px 1rem 2rem;
    }

    .legal-section {
        padding: 1.5rem;
    }

    .legal-section h1 {
        font-size: 2rem;
    }

    .legal-text h2 {
        font-size: 1.3rem;
    }
}

/* Why MESM Section */
.why-mesm {
    padding: 4rem 2rem 2rem;
    background: linear-gradient(135deg, rgba(26,26,46,0.95), rgba(22,33,62,0.95));
    text-align: center;
}
.why-mesm h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.2rem;
    color: var(--neon-blue);
    margin-bottom: 2.5rem;
    text-shadow: 0 0 15px var(--neon-blue);
}
.why-cards {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1100px;
    margin: 0 auto;
}
.why-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 2rem 1.5rem;
    min-width: 260px;
    max-width: 320px;
    flex: 1 1 260px;
    box-shadow: 0 0 10px var(--neon-blue), 0 0 30px rgba(0,243,255,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    margin-bottom: 2rem;
    animation: slideUp 0.7s;
}
.why-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 0 30px var(--neon-green);
}
.why-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}
.why-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.3rem;
    color: var(--neon-purple);
    margin-bottom: 0.7rem;
}
.why-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}
@media (max-width: 900px) {
    .why-cards {
        flex-direction: column;
        align-items: center;
    }
    .why-card {
        max-width: 100%;
    }
}

/* About Section (Contact Page) */
.about-section {
    margin: 2.5rem auto 0 auto;
    max-width: 600px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    box-shadow: 0 0 15px var(--neon-blue), 0 0 30px rgba(0,243,255,0.08);
    padding: 2rem 1.5rem;
    text-align: center;
    animation: fadeIn 1s;
}

.about-section h3 {
    color: var(--neon-green);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px var(--neon-green);
}

.about-section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}