/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-black: #0a0a0a;
    --secondary-black: #1a1a1a;
    --dark-gray: #2a2a2a;
    --medium-gray: #404040;
    --light-gray: #707070;
    --text-gray: #e0e0e0;
    --white: #ffffff;
    --accent-teal: #14b8a6;
    --accent-blue: #3b82f6;
    --gradient: linear-gradient(135deg, var(--accent-teal), var(--accent-blue));
    
    /* Typography */
    --font-mono: 'JetBrains Mono', monospace;
    --font-sans: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 6rem 0;
    --container-padding: 0 2rem;
    --max-width: 1200px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--primary-black);
    color: var(--text-gray);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 40px;
    filter: brightness(1.2);
}

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

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-teal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 2;
}

.hero-image-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1544551763-46a013bb70d5?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 3;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: var(--container-padding);
    z-index: 4;
    position: relative;
}

.hero-logo {
    height: 80px;
    margin-bottom: 2rem;
    filter: brightness(1.1);
}

.hero-title {
    font-family: var(--font-mono);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-gray);
    margin-bottom: 5rem;
    line-height: 1.5;
}

.scroll-indicator {
    position: absolute;
    bottom: 0rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
    opacity: 0.7;
}

.scroll-text {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--gradient);
    position: relative;
    animation: scroll-bounce 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 8px solid var(--accent-teal);
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* General Section Styles */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-dark {
    background-color: var(--secondary-black);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

.section-title {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--white);
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient);
}

/* Why Section */
.why-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.why-item {
    background: var(--secondary-black);
    padding: 2rem;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--dark-gray);
}

.why-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-teal);
}

.why-item h3 {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--accent-teal);
    margin-bottom: 1rem;
}

.why-item p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* How Section */
.how-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
    align-items: start;
}

.how-process {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--dark-gray);
}

.process-step:last-child {
    border-bottom: none;
}

.step-number {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-teal);
    background: var(--dark-gray);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.process-step h3 {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.process-step p {
    color: var(--text-gray);
    line-height: 1.6;
}

.how-features {
    background: var(--dark-gray);
    padding: 2.5rem;
    border-radius: 12px;
    height: fit-content;
}

.how-features h3 {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--accent-teal);
    margin-bottom: 1.5rem;
}

.features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.features-list li {
    color: var(--text-gray);
    position: relative;
    padding-left: 2rem;
}

.features-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-teal);
    font-weight: bold;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-teal);
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 1.1rem;
}

.contact-form {
    background: var(--secondary-black);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--dark-gray);
}

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

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    border-radius: 6px;
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-teal);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--gradient);
    border: none;
    border-radius: 6px;
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(20, 184, 166, 0.3);
}

/* Footer */
.footer {
    background: var(--primary-black);
    padding: 2rem 0;
    border-top: 1px solid var(--dark-gray);
    text-align: center;
}

.footer p {
    color: var(--light-gray);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
    }
    
    .nav-link {
        font-size: 0.8rem;
    }
    
    .hero-logo {
        height: 60px;
        margin-bottom: 1.5rem;
    }
    
    .why-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .how-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .process-step {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    :root {
        --section-padding: 4rem 0;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 0 1rem;
        --section-padding: 3rem 0;
    }
    
    .hero-content {
        padding: 1rem;
    }
    
    .why-item,
    .contact-form {
        padding: 1.5rem;
    }
    
    .how-features {
        padding: 2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for accessibility */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-teal);
    outline-offset: 2px;
}