:root {
    --bg-color: #030303;
    --card-bg: #111111;
    --accent-blue: #0066ff;
    --accent-blue-glow: rgba(0, 102, 255, 0.6);
    --accent-green: #39ff14;
    --accent-green-glow: rgba(57, 255, 20, 0.5);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border-color: #333333;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

h1,
h2,
h3 {
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

/* Backgrounds */
.bg-mesh,
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.bg-mesh {
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 102, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(57, 255, 20, 0.03) 0%, transparent 50%);
}

.grid-overlay {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
    text-align: center;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: white;
    box-shadow: 0 0 20px var(--accent-blue-glow);
    animation: pulse-blue 2s infinite;
}

@keyframes pulse-blue {

    0%,
    100% {
        box-shadow: 0 0 10px var(--accent-blue-glow);
    }

    50% {
        box-shadow: 0 0 30px var(--accent-blue-glow);
    }
}

@keyframes pulse-green {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.05);
        opacity: 1;
    }
}

/* Navbar */
nav {
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(3, 3, 3, 0.9);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 950;
    font-size: 1.1rem;
}

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

/* Hero */
.hero {
    min-height: 100vh;
    padding: 7rem 0 3rem 0;
    display: flex;
    align-items: center;
    background:
        radial-gradient(circle at 10% 20%, rgba(0, 102, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(57, 255, 20, 0.08) 0%, transparent 40%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.organizer-tag {
    font-size: 0.7rem;
    color: var(--accent-green);
    letter-spacing: 0.2em;
    font-weight: 800;
    margin-bottom: 1rem;
    display: block;
}

.hero h1 {
    font-size: clamp(2.25rem, 8vw, 4rem);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: clamp(1rem, 4vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.badge {
    background: rgba(57, 255, 20, 0.1);
    color: var(--accent-green);
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.75rem;
    display: inline-block;
    border: 1px solid rgba(57, 255, 20, 0.2);
    margin-bottom: 1rem;
}

/* Common Sections */
section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: clamp(1.75rem, 6vw, 2.75rem);
    margin-bottom: 1rem;
    background: linear-gradient(180deg, #fff 0%, #aaa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Pain Grid */
.pain-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.pain-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.pain-item span {
    color: #ff4444;
    font-weight: 900;
}

/* Grid Cards */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.card h3 {
    color: var(--accent-blue);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

/* Filter Section */
.filter-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.filter-box {
    padding: 2rem;
    border-radius: 12px;
}

.is-for {
    background: rgba(0, 102, 255, 0.06);
    border: 1px solid rgba(0, 102, 255, 0.2);
}

.not-for {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.filter-list li {
    display: flex;
    gap: 0.75rem;
    font-size: 0.95rem;
}

/* Event Info Box */
.event-grid {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.event-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.detail-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.detail-text h4 {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.detail-text p {
    font-size: 1.1rem;
    font-weight: 700;
}

.price-box {
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    padding: 2rem;
    border-radius: 12px;
}

.price-box h3 {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
    color: var(--accent-green);
    text-shadow: 0 0 20px var(--accent-green-glow);
    margin-bottom: 0.5rem;
}

/* Countdown */
.countdown {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.countdown-num {
    font-size: 2.25rem;
    font-weight: 950;
    color: var(--accent-blue);
    line-height: 1;
}

.countdown-label {
    font-size: 0.6rem;
    color: var(--text-secondary);
    display: block;
    text-transform: uppercase;
}

/* Video */
.video-container {
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Form */
#sub-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
}

.sub-input {
    width: 100%;
    padding: 1.1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: white;
    outline: none;
}

/* Desktop Overrides */
@media (min-width: 768px) {
    section {
        padding: 6rem 0;
    }

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

    .filter-section {
        grid-template-columns: 1fr 1fr;
    }

    .event-details {
        grid-template-columns: 1fr 1fr;
    }

    #sub-form {
        flex-direction: row;
    }
}

@media (min-width: 1024px) {
    .event-grid {
        grid-template-columns: 1.2fr 0.8fr;
        padding: 3.5rem;
    }

    .countdown {
        gap: 2.5rem;
    }

    .countdown-num {
        font-size: 3.5rem;
    }
}

footer {
    padding: 4rem 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    opacity: 0.6;
    font-size: 0.9rem;
}