/* --- Global Variables & Reset --- */
:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --primary-color: #37ec82; /* Signature Hack Club Red */
    --accent-color: #338da8;  /* Sleek Cyan */
    --text-main: #f9fafb;
    --text-muted: #9ca3af;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

/* --- Navigation --- */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    position: sticky;
    top: 0;
    background: rgba(126, 137, 165, 0.8);
    backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid var(--card-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary-color);
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--text-main);
}

/* --- Buttons --- */
.btn-primary, .btn-secondary, .btn-nav {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background: var(--primary-color);
    color: rgb(21, 20, 20);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(236, 55, 80, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 2px solid var(--card-border);
    margin-left: 15px;
}

.btn-secondary:hover {
    background: var(--card-border);
    transform: translateY(-2px);
}

.btn-nav {
    background: rgba(236, 55, 80, 0.1);
    color: var(--primary-color) !important;
    border: 1px solid rgba(236, 55, 80, 0.2);
}

.btn-nav:hover {
    background: var(--primary-color) !important;
    color: white !important;
}

/* --- Hero Section --- */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
    background: radial-gradient(circle at 50% 30%, rgba(236, 55, 80, 0.15), transparent 50%);
}

.hero-content {
    max-width: 800px;
}

.badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    padding: 6px 16px;
    border-radius: 50px;
    display: inline-block;
    font-size: 0.9rem;
    margin-bottom: 24px;
    color: var(--text-muted);
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero h1 span {
    background: linear-gradient(to right, var(--primary-color), #ff788a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* --- About Section --- */
.about, .events {
    padding: 100px 8%;
    max-width: 1400px;
    margin: 0 auto;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    text-align: center;
    position: relative;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 40px 30px;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.card:hover {
    border-color: rgba(236, 55, 80, 0.4);
    transform: translateY(-5px);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.card p {
    color: var(--text-muted);
}

/* --- Events Section --- */
.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.event-item {
    display: flex;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
}

.event-date {
    background: rgba(236, 55, 80, 0.1);
    color: var(--primary-color);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 30px;
    font-size: 1.2rem;
    min-width: 120px;
    border-right: 1px solid var(--card-border);
}

.event-details {
    padding: 20px 30px;
}

.event-details h3 {
    margin-bottom: 8px;
}

.event-details p {
    color: var(--text-muted);
}

/* --- Join / Form Section --- */
.join {
    padding: 80px 8%;
}

.join-container {
    background: linear-gradient(135deg, rgba(236, 55, 80, 0.1) 0%, rgba(51, 141, 168, 0.05) 100%);
    border: 1px solid var(--card-border);
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 40px;
    border-radius: 24px;
    text-align: center;
}

.join-container h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.join-container p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px auto;
}

.join-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 10px;
}

.join-form input[type="email"] {
    flex: 1;
    padding: 15px 20px;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    background: rgba(11, 15, 25, 0.6);
    color: rgb(199, 28, 28);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
}

.join-form input[type="email"]:focus {
    border-color: var(--primary-color);
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 50px 20px;
    border-top: 1px solid var(--card-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
    }
    nav ul li {
        margin: 0 10px;
    }
    .hero h1 {
        font-size: 2.8rem;
    }
    .join-form {
        flex-direction: column;
    }
    .event-item {
        flex-direction: column;
    }
    .event-date {
        border-right: none;
        border-bottom: 1px solid var(--card-border);
        justify-content: flex-start;
        padding: 15px 30px;
    }
}