/* Reset & Base */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {

    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #000;
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.header__logo {
    width: 40px;
}

.logo-svg {
    width: 40px;
    height: 40px;
}

.nav-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background 0.2s;
}

.nav-icon:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 100px 24px 60px;
    background: #000;
}

.hero__content {
    margin-bottom: 48px;
}

.hero__logo {
    width: 100%;
    max-width: 500px;
    height: auto;
}

.hero__info {
    text-align: center;
}

.hero__date {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: clamp(16px, 3vw, 22px);
    letter-spacing: 2px;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.hero__event {
    font-family: 'Oswald', sans-serif;
    font-weight: 900;
    font-size: clamp(24px, 5vw, 36px);
    letter-spacing: 1px;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.hero__venue {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: clamp(16px, 3vw, 22px);
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.9;
}

/* About Section */
.about {
    padding: 80px 24px;
    background: #111;
}

.about__container {
    max-width: 600px;
    margin: 0 auto;
}

.about__title {
    font-family: 'Oswald', sans-serif;
    font-weight: 900;
    font-size: clamp(28px, 5vw, 40px);
    margin-bottom: 32px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about__text {
    font-size: 15px;
    line-height: 1.7;
    color: #ccc;
    margin-bottom: 20px;
}

.about__text:last-child {
    margin-bottom: 0;
}

.about__text strong {
    color: #fff;
    font-weight: 600;
}

/* Leaderboard Section */
.leaderboard {
    padding: 80px 24px;
    background: #000;
}

.leaderboard__container {
    max-width: 600px;
    margin: 0 auto;
}

.leaderboard__icon {
    margin-bottom: 16px;
}

.leaderboard__title {
    font-family: 'Oswald', sans-serif;
    font-weight: 900;
    font-size: clamp(28px, 5vw, 40px);
    margin-bottom: 32px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.leaderboard__table {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    overflow: hidden;
}

.leaderboard__row {
    display: grid;
    grid-template-columns: 50px 1fr 80px;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    align-items: center;
}

.leaderboard__row:last-child {
    border-bottom: none;
}

.leaderboard__row--header {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #888;
}

.leaderboard__rank {
    font-weight: 700;
    font-family: 'Oswald', sans-serif;
    font-size: 18px;
}

.leaderboard__name {
    font-size: 14px;
    color: #aaa;
}

.leaderboard__score {
    text-align: right;
    font-weight: 600;
    font-family: 'Oswald', sans-serif;
    font-size: 18px;
}

/* Register Section */
.register {
    padding: 80px 24px;
    background: #111;
    text-align: center;
}

.register__container {
    max-width: 500px;
    margin: 0 auto;
}

.register__title {
    font-family: 'Oswald', sans-serif;
    font-weight: 900;
    font-size: clamp(28px, 6vw, 44px);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.register__disclaimer {
    font-size: 12px;
    color: #888;
    margin-bottom: 20px;
    line-height: 1.5;
}

.register__text {
    font-size: 14px;
    color: #aaa;
    line-height: 1.7;
    margin-bottom: 32px;
}

.register__button {
    display: inline-block;
    padding: 16px 48px;
    background: #fff;
    color: #000;
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: 18px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.register__button:hover {
    background: #ddd;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer {
    padding: 24px;
    text-align: center;
    font-size: 12px;
    color: #555;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 80px 16px 40px;
    }

    .about,
    .leaderboard,
    .register {
        padding: 60px 16px;
    }

    .leaderboard__row {
        grid-template-columns: 40px 1fr 60px;
        padding: 12px 16px;
    }
}

@media (min-width: 1024px) {
    .header {
        padding: 24px 48px;
    }

    .hero {
        padding: 120px 48px 80px;
    }

    .about,
    .leaderboard,
    .register {
        padding: 100px 48px;
    }
}