/* Hero Section */
.hero {
    padding: 140px 0 120px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-text h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 28px;
    letter-spacing: -0.5px;
}

.highlight {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 19px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-weight: 400;
}

.hero-visual {
    position: relative;
    height: 400px;
}

.cyber-grid {
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 60px 60px;
    border-radius: 16px;
    position: relative;
    border: 1px solid var(--border-subtle);
    box-shadow: 
        0 0 100px rgba(34, 211, 238, 0.15),
        inset 0 0 100px rgba(34, 211, 238, 0.05);
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.section-title {
    font-size: 38px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.about-text {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 850px;
    margin: 0 auto 24px;
    text-align: center;
    line-height: 1.8;
    font-weight: 400;
}

.about-subtitle {
    font-size: 15px;
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
    font-weight: 400;
}

/* Featured Content */
.featured {
    padding: 120px 0;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 64px;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 48px 36px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-6px);
    border-color: var(--glass-border);
    background: rgba(35, 41, 54, 0.9);
    box-shadow: 
        0 24px 48px rgba(0, 0, 0, 0.3),
        0 0 0 1px var(--border-subtle),
        0 8px 32px rgba(34, 211, 238, 0.1);
}

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

.card-icon {
    font-size: 36px;
    margin-bottom: 24px;
    filter: grayscale(0.2);
}

.glass-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.glass-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-weight: 400;
}

/* Events Section */
.events {
    padding: 120px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.home-events-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 48px;
}

.event-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.event-card:hover {
    border-color: var(--glass-border);
    box-shadow: 
        0 16px 40px rgba(0, 0, 0, 0.2),
        0 0 0 1px var(--border-subtle);
}

.event-badge {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-cyan-dark));
    color: var(--bg-primary);
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    margin-bottom: 16px;
}

.event-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.event-details {
    margin-bottom: 16px;
}

.event-date,
.event-location {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.event-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-cyan-dark));
    color: var(--text-primary);
    border: none;
    padding: 16px 48px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    box-shadow: 0 4px 16px rgba(34, 211, 238, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 24px rgba(34, 211, 238, 0.3),
        0 0 48px rgba(34, 211, 238, 0.2);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .cards-grid,
    .home-events-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 968px) {
    .hero {
        padding: 80px 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 42px;
    }

    .hero-description {
        font-size: 18px;
    }

    .hero-visual {
        height: 300px;
    }

    .featured,
    .events {
        padding: 60px 0;
    }

    .about {
        padding: 60px 0;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
    }

    .hero-text h1 {
        font-size: 36px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-visual {
        height: 250px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 32px;
    }

    .about-text {
        font-size: 16px;
    }

    .cards-grid,
    .home-events-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }

    .glass-card {
        padding: 32px 24px;
    }

    .glass-card h3 {
        font-size: 20px;
    }

    .event-card {
        padding: 28px 20px;
    }

    .event-title {
        font-size: 18px;
    }

    .btn-primary {
        width: 100%;
        padding: 14px 32px;
        font-size: 13px;
    }

    .featured,
    .events {
        padding: 50px 0;
    }

    .about {
        padding: 50px 0;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 28px;
    }

    .hero-description {
        font-size: 15px;
    }

    .section-title {
        font-size: 24px;
    }

    .glass-card {
        padding: 28px 20px;
    }

    .card-icon {
        font-size: 32px;
    }

    .event-card {
        padding: 24px 16px;
    }

    .event-title {
        font-size: 16px;
    }
}