/* ===== ROOT VARIABLES ===== */
:root {
    --neon-green: #00ff41;
    --dark-green: #00cc33;
    --black: #0a0a0a;
    --dark-gray: #1a1a1a;
    --medium-gray: #2a2a2a;
    --light-gray: #e0e0e0;
    --white: #ffffff;
    --glow-green: 0 0 10px var(--neon-green), 0 0 20px var(--neon-green), 0 0 30px var(--neon-green);
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            0deg,
            rgba(0, 255, 65, 0.03) 0px,
            transparent 1px,
            transparent 40px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(0, 255, 65, 0.03) 0px,
            transparent 1px,
            transparent 40px
        );
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 40px); }
}

.hero-overlay {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-content h1 {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 600;
    color: var(--neon-green);
    text-shadow: var(--glow-green);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.team-number {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.neon-text {
    color: var(--neon-green);
    text-shadow: var(--glow-green);
}

.tagline {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--light-gray);
    margin-bottom: 2rem;
    font-weight: 300;
}

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

/* ===== BUTTONS ===== */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--neon-green);
    color: var(--black);
    box-shadow: var(--glow-green);
}

.btn-primary:hover {
    background: transparent;
    color: var(--neon-green);
    border-color: var(--neon-green);
    transform: translateY(-3px);
}

.btn-secondary {
    background: transparent;
    color: var(--neon-green);
    border-color: var(--neon-green);
}

.btn-secondary:hover {
    background: var(--neon-green);
    color: var(--black);
    box-shadow: var(--glow-green);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
}

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--neon-green);
    border-radius: 20px;
    position: relative;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--neon-green);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0%, 100% {
        opacity: 0;
        top: 8px;
    }
    50% {
        opacity: 1;
        top: 20px;
    }
}

/* ===== SECTIONS ===== */
.about-section,
.features-section,
.stats-section,
.cta-section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--neon-green);
    text-align: center;
    margin-bottom: 3rem;
    text-shadow: 0 0 20px rgba(0, 255, 65, 0.5);
    font-weight: 800;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background: var(--dark-gray);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.lead-text {
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.highlight {
    color: var(--neon-green);
    font-weight: 700;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--light-gray);
    line-height: 1.8;
}

/* ===== FEATURES SECTION ===== */
.features-section {
    background: var(--black);
}

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

.feature-card {
    position: relative;
    background: var(--dark-gray);
    padding: 2.5rem;
    border-radius: 15px;
    border: 2px solid var(--medium-gray);
    transition: all 0.3s ease;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 255, 65, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    border-color: var(--neon-green);
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 255, 65, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: grayscale(1);
    transition: filter 0.3s ease;
}

.feature-card:hover .feature-icon {
    filter: grayscale(0);
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--neon-green);
    margin-bottom: 1rem;
}

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

.feature-glow {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--neon-green);
    box-shadow: var(--glow-green);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-glow {
    transform: scaleX(1);
}

/* ===== STATS SECTION ===== */
.stats-section {
    background: var(--dark-gray);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-box {
    padding: 2rem;
    background: var(--black);
    border-radius: 10px;
    border: 2px solid var(--medium-gray);
    transition: all 0.3s ease;
}

.stat-box:hover {
    border-color: var(--neon-green);
    box-shadow: 0 5px 30px rgba(0, 255, 65, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 600;
    color: var(--neon-green);
    text-shadow: var(--glow-green);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--light-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    text-align: center;
}

.cta-section h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--neon-green);
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    color: var(--light-gray);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== FOOTER ===== */
footer {
    background: var(--dark-gray);
    border-top: 2px solid var(--neon-green);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--neon-green);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-section h4 {
    color: var(--neon-green);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section ul {
    color: var(--light-gray);
}

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

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

.footer-section a {
    color: var(--light-gray);
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section a:hover {
    color: var(--neon-green);
}

.social-icon {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid var(--medium-gray);
    color: var(--light-gray);
}

/* ===== PAGE HEADER (for other pages) ===== */
.page-header {
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    padding: 6rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            0deg,
            rgba(0, 255, 65, 0.03) 0px,
            transparent 1px,
            transparent 40px
        );
}

.page-header h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--neon-green);
    text-shadow: var(--glow-green);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.page-header p {
    font-size: 1.2rem;
    color: var(--light-gray);
    position: relative;
    z-index: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}