:root {
    --bg: #0b1020;
    --surface: #000080;
    --card: #18233d;
    --accent: #000080;
    --accent-2: #ffd166;
    --text: #f4f7ff;
    --muted: #b2bdd9;
    --success: #3ddc97;
    --shadow: 0 20px 45px rgba(8, 12, 24, 0.4);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: linear-gradient(135deg, #0a1440 0%, #122b66 55%, #0b1020 100%);
    line-height: 1.6;
}

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

    color: #000080;
    font-size: 18px;

}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(12px);
    background: rgba(247, 248, 249, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #000080;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    letter-spacing: 0.6px;
}

.brand-logo {
    width: 80px;
    height: 55px;
    border-radius: 10px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.12);
    padding: 6px;
}

.brand-badge {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #101321;
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 20px;
    font-size: 0.95rem;
    color: var(--muted);
}

.nav-cta {
    padding: 10px 18px;
    border-radius: 999px;
    background: var(--accent);
    color: #FFFFFF;
    font-weight: 700;
    box-shadow: var(--shadow);
}

.hero {
    padding: 72px 0 40px;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    align-items: center;
}
.hero-copy {
    display: grid;
    gap: 18px;
}
.hero-copy h1 {
    margin: 0;
}
.hero-copy p {
    margin: 0;
    color: var(--muted);
}
.hero-highlights {
    display: grid;
    gap: 10px;
    padding: 16px 18px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 28px rgba(4, 7, 18, 0.35);
}
.hero-highlights strong {
    display: block;
}
.hero-highlights span {
    color: var(--muted);
    font-size: 0.95rem;
}
.countdown {
    display: grid;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 12px;
    background: #ffffff;
    border: none;
    color: #0f172a;
    box-shadow: 0 10px 28px rgba(4, 7, 18, 0.25);
}
.countdown-label {
    font-weight: 600;
    color: #0f172a;
    text-align: center;
}
.countdown-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(70px, 1fr));
    gap: 12px;
}
.countdown-item {
    background: #f3f4f6;
    border-radius: 10px;
    padding: 10px 8px;
    text-align: center;
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.2);
    transform: perspective(600px) rotateX(6deg);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.countdown-item:hover {
    transform: perspective(600px) rotateX(0deg) translateY(-2px);
    box-shadow: 0 14px 26px rgba(15, 23, 42, 0.28);
}
.countdown-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: #000080;
}
.countdown-unit {
    display: block;
    font-size: 0.75rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.hero h1 {
    font-size: clamp(2.5rem, 3vw, 3.5rem);
    line-height: 1.1;
    margin-bottom: 18px;
}

.hero p {
    color: var(--muted);
    font-size: 1.1rem;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 24px;
}
.hero-actions .button {
    font-size: 1rem;
    padding: 14px 26px;
    border-width: 2px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}
.hero-actions .button.primary {
    color: #ffffff;
}
.button.material {
    background: #000080;
    color: #ffffff;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2), 0 1px 3px rgba(0, 0, 0, 0.24);
    border-color: #000080;
}
.button.material:hover {
    background: #00006a;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.24), 0 2px 4px rgba(0, 0, 0, 0.2);
}

.button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    border-radius: 6px;
    border: 1px solid transparent;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.button.primary {
    background: var(--accent);
    color: #0b1020;
}

.button.secondary {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text);
    background: transparent;
}

.hero-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card h3 {
    margin-top: 0;
}

.hero-card ul {
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
}

.hero-card li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--muted);
}
.hero-slider {
    padding: 0;
    overflow: hidden;
    position: relative;
}
.hero-slides {
    position: relative;
    aspect-ratio: 16 / 9;
    height: auto;
}
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
}
.hero-slide.is-active {
    opacity: 1;
    z-index: 1;
}
.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    background: #0b1020;
}
.hero-slider-caption {
    padding: 18px 22px 22px;
}
.hero-slider-caption h3 {
    margin: 0 0 6px;
}
.hero-slider-caption p {
    margin: 0;
    color: var(--muted);
}
.hero-actions-overlay {
    position: absolute;
    top: 12px;
    left: 12px;
    margin: 0;
    z-index: 2;
    gap: 10px;
}
.hero-actions-overlay .button {
    background: rgba(11, 16, 32, 0.75);
    border-color: rgba(255, 255, 255, 0.35);
    color: #ffffff;
}
.hero-actions-overlay .button:hover {
    background: rgba(11, 16, 32, 0.9);
}
.hero-slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(11, 16, 32, 0.65);
    color: #ffffff;
    font-size: 2rem;
    line-height: 1;
    display: grid;
    place-items: center;
    cursor: pointer;
}
.hero-slider-prev {
    left: 14px;
}
.hero-slider-next {
    right: 14px;
}
.hero-slider-arrow:hover {
    background: rgba(11, 16, 32, 0.85);
}

.km-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.km-card {
    display: grid;
    gap: 8px;
    padding: 12px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    color: var(--text);
}

.km-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 12px;
}

.km-card span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(61, 220, 151, 0.15);
    color: var(--success);
    font-size: 0.85rem;
    font-weight: 600;
}

section {
    padding: 50px 0;
}

.section-title {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.section-title h2 {
    margin: 0;
    font-size: 2rem;
}

.section-title p {
    color: var(--muted);
    max-width: 420px;
    margin: 0;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.card {
    background: var(--card);
    border-radius: 18px;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
}

.card h4 {
    margin-top: 0;
}

.event-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.strip {
    background: var(--surface);
    padding: 16px 18px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.strip span {
    display: block;
    color: var(--muted);
    font-size: 0.85rem;
}

.cta {
    background: linear-gradient(135deg, rgba(255, 107, 74, 0.2), rgba(255, 209, 102, 0.1));
    padding: 42px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cta-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: center;
    justify-content: space-between;
}

.payment-page {
    padding: 0 0 60px;
    background: transparent;
    color: #1b2230;
}

.payment-header {
    background: #000080;
    color: #ffffff;
    padding: 22px 0;
    margin-bottom: 20px;
}

.payment-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.payment-header h1 {
    margin: 0;
    font-size: 2rem;
    letter-spacing: 1px;
}

.payment-header p {
    margin: 0;
    font-weight: 600;
}

.payment-ref {
    color: #ffffff;
}

.payment-content {
    background: #ffffff;
    padding: 30px 0 40px;
}
.payment-page > .container {
    background: #ffffff;
    padding: 10px;
}
.payment-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    margin-top: 26px;
}

.payment-card {
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.payment-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e2e6f0;
    margin-bottom: 12px;
}

.payment-card img {
    height: 42px;
    object-fit: contain;
}

.payment-card h3 {
    margin: 0;
    font-size: 1.4rem;
    color: #4b5563;
}

.payment-card ul {
    margin: 0;
    padding-left: 18px;
    color: #1f2937;
    display: grid;
    gap: 6px;
}

@media (max-width: 900px) {
    .payment-grid {
        grid-template-columns: 1fr;
    }
}

.registration-page {
    padding: 50px 0 80px;
    background: radial-gradient(circle at top right, rgba(31, 42, 74, 0.35), transparent 55%);
}

.registration-card {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(10, 15, 30, 0.25);
    padding: 40px 44px 34px;
    color: #1b2230;
}

.registration-title {
    text-align: center;
    font-size: 2.1rem;
    letter-spacing: 2px;
    color: #6b21a8;
    margin: 0 0 26px;
    font-weight: 700;
}

.registration-form {
    display: grid;
    gap: 22px;
}

.registration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.registration-heading {
    margin: 0 0 16px;
    font-size: 1.05rem;
    color: #6b7280;
    font-weight: 600;
}

.registration-fields {
    display: grid;
    gap: 14px;
}

.registration-field {
    display: grid;
    gap: 8px;
}

.registration-field label {
    font-size: 0.9rem;
    color: #6b7280;
}

.registration-field input,
.registration-field select {
    width: 100%;
    height: 44px;
    padding: 0 14px;
    border-radius: 10px;
    border: 1px solid #d3d8e4;
    background: #ffffff;
    color: #1b2230;
    font-size: 0.95rem;
}

.registration-field input::placeholder {
    color: #9aa3b2;
}

.registration-field input:focus,
.registration-field select:focus {
    outline: none;
    border-color: #7c3aed;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

.registration-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.registration-note {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #6b7280;
    font-size: 0.9rem;
}

.registration-submit {
    padding: 10px 28px;
    border-radius: 8px;
    background: #7c3aed;
    color: #ffffff;
    border: none;
    font-weight: 600;
    cursor: pointer;
}

footer {
    padding: 32px 0 40px;
    color: var(--muted);
    font-size: 0.9rem;
    border-top: 4px solid rgba(229, 240, 241, 0.08);
}
.footer-copyright {
    background: #000080;
    color: #ffffff;
    text-align: center;
    padding: 8px 12px;
    font-size: 0.85rem;
}

.footer-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.mini-list {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
}

.mini-list li {
    margin-bottom: 6px;
}

@media (max-width: 720px) {
    .nav-links {
        display: none;
    }

    .registration-card {
        padding: 28px 22px;
    }

    .registration-title {
        font-size: 1.7rem;
    }
}