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

:root {
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark: #0f0f14;
    --dark-elevated: #1a1a24;
    --light: #f8f9fa;
    --accent: #667eea;
    --accent-bright: #f5576c;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark);
    color: var(--light);
    overflow-x: hidden;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: var(--gradient-1);
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.35;
    top: -250px;
    right: -250px;
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: var(--gradient-2);
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.25;
    bottom: -200px;
    left: -200px;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, 50px) scale(1.1); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

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

h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 700;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #c7d2ff 50%, #a8b3ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.subtitle {
    font-size: clamp(1.25rem, 3vw, 1.9rem);
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 3.5rem;
    font-weight: 300;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.btn {
    padding: 1.1rem 2.8rem;
    font-size: 1.05rem;
    font-weight: 500;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
    font-family: 'Space Grotesk', sans-serif;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.35);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 45px rgba(102, 126, 234, 0.5);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px) scale(1.02);
}

/* Features Section */
.features {
    padding: 8rem 0;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    padding: 3rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 24px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3), rgba(245, 87, 108, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.04) 100%);
    border-color: rgba(102, 126, 234, 0.4);
    box-shadow: 0 25px 70px rgba(102, 126, 234, 0.25);
}

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

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(102, 126, 234, 0.3));
}

.feature-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: white;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.75;
    font-size: 1.05rem;
}

/* Meetups Section */
.meetups {
    padding: 8rem 0;
    background: rgba(102, 126, 234, 0.05);
    position: relative;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    text-align: center;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #c7d2ff 50%, #a8b3ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 4rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.meetup-cta {
    text-align: center;
    padding: 4.5rem 3rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12) 0%, rgba(245, 87, 108, 0.12) 100%);
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.meetup-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.meetup-cta h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 1;
}

.meetup-cta p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 2rem;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer p {
    color: rgba(255, 255, 255, 0.5);
}

.subtle-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 3rem;
    font-style: italic;
    letter-spacing: 0.01em;
}

/* Responsive */
@media (max-width: 768px) {
    .cta-group {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

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

    .meetup-cta {
        padding: 3rem 2rem;
    }

    .feature-card {
        padding: 2.5rem;
    }
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.scroll-indicator::after {
    content: '↓';
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.5);
}