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

:root {
    --color-bg: #060911;
    --color-bg-alt: #0f1624;
    --color-accent: #f7931a;
    --color-accent-soft: rgba(247, 147, 26, 0.15);
    --color-text: #f2f5f9;
    --color-text-muted: #a8b4cc;
    --color-border: rgba(168, 180, 204, 0.2);
    --gradient-hero: linear-gradient(130deg, rgba(14, 20, 34, 0.95) 0%, rgba(9, 13, 22, 0.96) 45%, rgba(6, 9, 17, 0.98) 100%);
    --shadow-lg: 0 18px 36px rgba(0, 0, 0, 0.25);
    --shadow-sm: 0 12px 22px rgba(0, 0, 0, 0.2);
    font-size: 16px;
}

html, body {
    min-height: 100%;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    width: min(1180px, 92vw);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(6, 9, 17, 0.9);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--color-border);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 0;
    gap: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text);
}

.logo img {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    border: 2px solid rgba(247, 147, 26, 0.5);
    box-shadow: 0 0 24px rgba(247, 147, 26, 0.25);
}

.main-nav ul {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    font-weight: 500;
}

.main-nav a {
    color: var(--color-text-muted);
    transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--color-accent);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.6rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #f7931a, #ffb347);
    color: #0a0d16;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.cta-button:hover,
.cta-button:focus {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(247, 147, 26, 0.35);
}

.hero-section {
    padding: 6.5rem 0 5rem;
    background: radial-gradient(circle at 18% 26%, rgba(247, 147, 26, 0.22), transparent 58%), var(--gradient-hero), url('images/bench-hero.svg') center/cover no-repeat;
    background-blend-mode: color-dodge, normal, normal;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.hero-section::before,
.hero-section::after {
    content: "";
    position: absolute;
    inset: -80px;
    pointer-events: none;
    z-index: 0;
}

.hero-section::before {
    background: url('images/energy-lines.svg') repeat;
    opacity: 0.32;
    mix-blend-mode: screen;
    animation: heroEnergyFlow 28s linear infinite;
    transform: translate3d(0, 0, 0);
    will-change: transform;
}

.hero-section::after {
    background: radial-gradient(circle at 24% 28%, rgba(247, 147, 26, 0.3), transparent 60%), radial-gradient(circle at 82% 68%, rgba(247, 147, 26, 0.18), transparent 65%);
    opacity: 0.62;
    filter: blur(0.5px);
}

.hero-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    position: relative;
    z-index: 1;
    align-items: center;
}

.hero-text .eyebrow {
    font-family: 'Rajdhani', sans-serif;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.8rem;
    font-size: 0.85rem;
}

.hero-text h1 {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(2.8rem, 5vw, 4rem);
    text-transform: uppercase;
    line-height: 1.1;
    margin-bottom: 1.2rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 32ch;
}

.countdown {
    margin-bottom: 2.8rem;
    background: rgba(15, 22, 36, 0.78);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 1.8rem;
    box-shadow: var(--shadow-sm);
}

.countdown h2 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.4rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    margin-bottom: 1.5rem;
}

.countdown-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(70px, 1fr));
    gap: 1.2rem;
    margin-bottom: 1.4rem;
}

.time-segment {
    text-align: center;
    padding: 1rem 0.75rem;
    background: rgba(8, 12, 20, 0.9);
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.time-value {
    display: block;
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(2.1rem, 4vw, 2.8rem);
    color: #fff;
}

.time-label {
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.event-date {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.hero-card {
    background: rgba(10, 14, 24, 0.82);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.hero-card h2 {
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    margin-bottom: 1.5rem;
}

.hero-card ul {
    list-style: none;
    display: grid;
    gap: 1rem;
}

.hero-card li::before {
    content: "⚡";
    margin-right: 0.6rem;
    color: var(--color-accent);
}

.section {
    padding: 5rem 0;
    background: linear-gradient(180deg, rgba(6, 9, 17, 0) 0%, rgba(6, 9, 17, 0.75) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.02);
}

.section:nth-of-type(even) {
    background: linear-gradient(180deg, rgba(15, 22, 36, 0.8) 0%, rgba(6, 9, 17, 0.95) 100%);
}

.section h2 {
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 2rem;
}

.section p {
    color: var(--color-text-muted);
    max-width: 60ch;
}

.two-column {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
    background: rgba(9, 13, 22, 0.85);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.card h3 {
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    margin-bottom: 1.2rem;
}

.card ul {
    list-style: none;
    display: grid;
    gap: 1rem;
}

.card li {
    padding-left: 0.6rem;
    border-left: 2px solid var(--color-accent-soft);
}

.highlight-card {
    background: linear-gradient(135deg, rgba(247, 147, 26, 0.1), rgba(10, 14, 24, 0.85));
}

.details-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.details-grid article {
    background: rgba(9, 13, 22, 0.75);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 2rem;
}

.schedule-list {
    list-style: none;
    display: grid;
    gap: 0.9rem;
    color: var(--color-text-muted);
}

.schedule-list span {
    font-family: 'Rajdhani', sans-serif;
    color: #fff;
    display: inline-block;
    min-width: 64px;
}

.prize-card {
    background: linear-gradient(135deg, rgba(247, 147, 26, 0.12), rgba(10, 14, 24, 0.88));
}

.link-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 1.5rem;
    padding: 0.75rem 1.4rem;
    border-radius: 999px;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: background 0.2s ease;
}

.link-button:hover,
.link-button:focus {
    background: rgba(247, 147, 26, 0.1);
}

.note {
    font-style: italic;
    margin-top: 1rem;
    color: var(--color-text-muted);
}

.register-section {
    background: radial-gradient(circle at top, rgba(247, 147, 26, 0.2), rgba(6, 9, 17, 0.95));
}

.register-container {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    align-items: start;
}

.register-form {
    display: grid;
    gap: 1.2rem;
    background: rgba(10, 14, 24, 0.82);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.form-group {
    display: grid;
    gap: 0.55rem;
}

.form-group label {
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(6, 9, 17, 0.9);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    color: var(--color-text);
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(247, 147, 26, 0.7);
    box-shadow: 0 0 0 3px rgba(247, 147, 26, 0.2);
}

.register-form button {
    margin-top: 0.5rem;
    padding: 0.85rem 1.6rem;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, #f7931a, #ffb347);
    color: #0a0d16;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.register-form button:hover,
.register-form button:focus {
    transform: translateY(-1px);
    box-shadow: 0 12px 26px rgba(247, 147, 26, 0.35);
}

.site-footer {
    padding: 3rem 0 2rem;
    background: #04060d;
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-bottom: 2rem;
}

.footer-note {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

@keyframes heroEnergyFlow {
    0% {
        transform: translate3d(0, 0, 0) rotate(0deg) scale(1.03);
    }
    50% {
        transform: translate3d(-160px, -110px, 0) rotate(1deg) scale(1.07);
    }
    100% {
        transform: translate3d(-320px, -220px, 0) rotate(0deg) scale(1.03);
    }
}

@media (max-width: 960px) {
    .header-container {
        flex-wrap: wrap;
    }

    .main-nav ul {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 720px) {
    .hero-section {
        padding-top: 5.5rem;
    }

    .countdown-grid {
        grid-template-columns: repeat(2, minmax(70px, 1fr));
    }

    .hero-card {
        order: -1;
    }
}

@media (max-width: 520px) {
    :root {
        font-size: 15px;
    }

    .header-container {
        justify-content: center;
        text-align: center;
    }

    .logo span {
        display: none;
    }

    .cta-button {
        width: 100%;
    }
}