/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --secondary-color: #4f46e5;
    --accent-color: #818cf8;
    --text-color: #e2e8f0;
    --light-text: #94a3b8;
    --background: #0f172a;
    --light-background: #1e293b;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

body {
    font-family: 'JetBrains Mono', 'Fira Code', 'Source Code Pro', 'Menlo', 'Monaco', 'Consolas', monospace;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    background: var(--background);
}

/* Navigation */
header {
    position: fixed;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: transform 0.3s ease;
}

header.scroll-down {
    transform: translateY(-100%);
}

header.scroll-up {
    transform: translateY(0);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
}

.logo .cogni {
    color: var(--text-color);
}

.logo .flow {
    color: #ffcc00;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: var(--gradient);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    overflow: hidden;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    background: rgba(30, 41, 59, 0.95);
    padding: 2rem;
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.hero-content h3 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    opacity: 0;
    transform: translateY(20px);
    font-family: 'JetBrains Mono', 'Fira Code', 'Source Code Pro', 'Menlo', 'Monaco', 'Consolas', monospace;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--light-text);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
}

.hero-3d {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

#hero-canvas {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    font-family: 'JetBrains Mono', 'Fira Code', 'Source Code Pro', 'Menlo', 'Monaco', 'Consolas', monospace;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

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

.feature-card {
    background: rgba(30, 41, 59, 0.95);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: rgba(15, 23, 42, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.feature-icon i {
    font-size: 2rem;
    color: var(--accent-color);
}

.feature-card h3 {
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.feature-card p {
    position: relative;
    z-index: 1;
}

/* About Section */
.about {
    padding: 6rem 2rem;
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    position: relative;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

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

.stat-item {
    padding: 2rem;
    background: rgba(30, 41, 59, 0.95);
    border-radius: 1rem;
    transition: transform 0.3s ease;
    backdrop-filter: blur(10px);
}

.stat-item:hover {
    transform: translateY(-5px);
}

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

.stat-label {
    color: var(--light-text);
}

/* Contact Section */
.contact {
    padding: 6rem 2rem;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    position: relative;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    padding: 2rem;
    background: rgba(30, 41, 59, 0.95);
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', 'Fira Code', 'Source Code Pro', 'Menlo', 'Monaco', 'Consolas', monospace;
    font-weight: 700;
}

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-form {
    background: rgba(30, 41, 59, 0.95);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

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

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: rgba(15, 23, 42, 0.8);
    color: var(--text-color);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.contact-form textarea {
    padding: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: rgba(15, 23, 42, 0.8);
    color: var(--text-color);
    resize: none;
    min-height: 150px;
}

/* Footer */
footer {
    background: var(--light-background);
    color: var(--text-color);
    padding: 4rem 2rem 2rem;
    position: relative;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
    font-family: 'JetBrains Mono', 'Fira Code', 'Source Code Pro', 'Menlo', 'Monaco', 'Consolas', monospace;
    font-weight: 700;
}

.footer-section h3 .cogni {
    color: var(--text-color);
}

.footer-section h3 .flow {
    color: #ffcc00;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* Animations */
.animate-text {
    opacity: 0;
    transform: translateY(20px);
}

/* Success Message */
.success-message {
    background: #10b981;
    color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--background);
        padding: 1rem;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }

    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 6rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-3d {
        min-height: 300px;
        order: -1;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }
}