/* ---------- COLORS ---------- */
:root {
    --primary-blue: #2A7BDE;
    --dark-blue: #0F3E8A;
    --green-main: #1ED760;
    --green-dark: #12A147;
    --green-light: #E8FFF0;
    --yellow: #FFC93C;
    --white: #ffffff;
    --shadow-card: 0 20px 60px rgba(15, 62, 138, 0.35);
}

/* ---------- RESET & BASE ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: #ffffff; color: #1a1a1a; line-height: 1.6; }
a { text-decoration: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- NAV ---------- */
.navbar {
    background: var(--white);
    border-bottom: 2px solid var(--green-light);
    padding: 16px 0;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.nav-logo {
    font-family: 'Anton', sans-serif;
    font-size: 1.8rem;
    letter-spacing: 1px;
    color: var(--dark-blue);
    line-height: 1.2;
}
.nav-logo .light { color: var(--primary-blue); margin-left: 4px; }

/* Hamburger button */
.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--dark-blue);
    cursor: pointer;
    padding: 4px 8px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px 24px;
    list-style: none;
    flex-wrap: wrap;
    transition: all 0.3s ease;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--dark-blue);
    padding: 6px 0;
    border-bottom: 3px solid transparent;
    transition: 0.2s;
    cursor: pointer;
}

.nav-links a:hover,
.nav-links a.active {
    border-bottom-color: var(--green-main);
}

.btn-nav {
    background: var(--green-main);
    color: var(--white) !important;
    padding: 8px 24px !important;
    border-radius: 40px !important;
    border-bottom: none !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 12px rgba(30, 215, 96, 0.35);
    transition: 0.2s;
}

.btn-nav:hover {
    background: var(--green-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(30, 215, 96, 0.4);
}

/* ---------- HERO ---------- */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 560px;
    margin: 0 24px 40px;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 12px 48px rgba(15, 62, 138, 0.15);
}

@media (max-width: 820px) {
    .hero {
        grid-template-columns: 1fr;
        border-radius: 20px;
        margin: 0 12px 32px;
    }
}

.hero-left {
    background: linear-gradient(145deg, #ffffff 30%, var(--green-light) 100%);
    padding: 48px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* ✅ Green vertical line removed – border-right removed */
}

.hero-content {
    text-align: center;
    width: 100%;
}

.hero-content h1 {
    font-family: 'Anton', sans-serif;
    font-size: 4.2rem;
    line-height: 1.1;
    letter-spacing: 2px;
    color: var(--dark-blue);
    text-transform: uppercase;
}

.hero-tagline {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin: 8px 0 24px;
    letter-spacing: 1px;
}

.btn-primary {
    display: inline-block;
    background: var(--green-main);
    color: var(--white);
    padding: 16px 48px;
    border-radius: 60px;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 8px 24px rgba(30, 215, 96, 0.4);
    transition: 0.25s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--green-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(30, 215, 96, 0.5);
}

/* --- LOGO WRAPPER (image + text) --- */
.hero-logo-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 28px;
    width: 100%;
}

/* --- LOGO IMAGE (1:1 ratio) --- */
.hero-logo-img {
    width: 180px;
    height: 180px;
    object-fit: contain;
    background: var(--white);
    border-radius: 16px;
    padding: 8px;
    border: 2px solid var(--green-light);
    box-shadow: 0 10px 30px rgba(15, 62, 138, 0.12);
}

.hero-logo-label {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    color: var(--dark-blue);
    letter-spacing: 0.5px;
    background: var(--green-light);
    padding: 4px 16px;
    border-radius: 30px;
    border: 1px solid var(--green-main);
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(30, 215, 96, 0.1);
}

/* Hero Right */
.hero-right {
    background: var(--primary-blue);
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    color: var(--white);
}

.hero-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.25;
    pointer-events: none;
}

.hero-circle--green {
    width: 240px;
    height: 240px;
    background: var(--green-main);
    top: -60px;
    right: -40px;
}

.hero-circle--yellow {
    width: 180px;
    height: 180px;
    background: var(--yellow);
    bottom: -50px;
    left: -40px;
}

.hero-circle--green-sm {
    width: 100px;
    height: 100px;
    background: var(--green-main);
    bottom: 60px;
    right: 20px;
    opacity: 0.15;
}

.hero-circle--yellow-sm {
    width: 70px;
    height: 70px;
    background: var(--yellow);
    top: 40px;
    left: 20px;
    opacity: 0.2;
}

.hero-right-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: var(--yellow);
    color: var(--dark-blue);
    font-weight: 700;
    padding: 6px 24px;
    border-radius: 40px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.hero-right-text {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.3;
    text-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.countdown-wrap {
    position: relative;
    z-index: 2;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(4px);
    border-radius: 24px;
    padding: 20px 28px;
    margin-top: 24px;
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(255,255,255,0.25);
}

.countdown-grid {
    display: flex;
    justify-content: center;
    gap: 16px 28px;
    flex-wrap: wrap;
}

.countdown-item {
    text-align: center;
}

.countdown-item .num {
    font-family: 'Anton', sans-serif;
    font-size: 2.8rem;
    line-height: 1;
    color: #FF0000;
    display: block;
    text-shadow: 0 2px 8px rgba(255, 0, 0, 0.3);
}

.countdown-item .lbl {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    color: rgba(255,255,255,0.7);
}

.countdown-message {
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
    margin-top: 10px;
    color: #FFD700;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.countdown-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    margin-top: 12px;
    letter-spacing: 0.5px;
}

/* ---------- SECTION TITLES ---------- */
.section-title {
    font-family: 'Anton', sans-serif;
    font-size: 2.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--dark-blue);
    margin-bottom: 16px;
    line-height: 1.1;
}

.section-sub {
    font-size: 1.1rem;
    font-weight: 500;
    color: #333;
    max-width: 800px;
    margin-bottom: 32px;
    opacity: 0.85;
}

/* ---------- INTRO ---------- */
.intro-section { padding: 40px 0 20px; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin: 32px 0 24px;
}

.feature-card {
    background: var(--white);
    border-radius: 24px;
    padding: 28px 24px;
    box-shadow: var(--shadow-card);
    border-top: 8px solid var(--green-main);
    transition: 0.25s;
}

.feature-card:hover { transform: translateY(-6px); }

.feature-icon {
    font-size: 2.2rem;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.feature-card h3 {
    font-family: 'Anton', sans-serif;
    font-size: 1.2rem;
    text-transform: uppercase;
    color: var(--dark-blue);
    letter-spacing: 0.5px;
}

.feature-card p {
    font-size: 0.92rem;
    opacity: 0.8;
    margin-top: 6px;
}

.theme-box {
    background: var(--green-light);
    border-radius: 16px;
    padding: 20px 28px;
    border-left: 6px solid var(--green-main);
    font-weight: 500;
    color: var(--dark-blue);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.theme-box i {
    color: var(--yellow);
    font-size: 1.4rem;
}

/* ---------- GALLERY / IMAGES (1:1 ratio) ---------- */
.gallery-context { padding: 40px 0 20px; }

.context-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 28px;
    margin-top: 16px;
    margin-bottom: 40px;
}

.context-card {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: 0.25s;
    border-top: 6px solid var(--primary-blue);
}

.context-card:hover { transform: translateY(-6px); }

.context-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
    background: var(--green-light);
}

.context-card .caption {
    background: var(--green-light);
    color: var(--dark-blue);
    font-weight: 700;
    padding: 12px 16px;
    font-size: 0.85rem;
    text-align: center;
    letter-spacing: 0.3px;
    border-top: 1px solid var(--green-main);
}

/* ---------- SPONSOR CARDS (New Layout) ---------- */
.sponsor-cards-section {
    margin-bottom: 40px;
}

.sponsor-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 16px;
}

.sponsor-card {
    background: var(--white);
    border-radius: 24px;
    padding: 24px 20px;
    box-shadow: var(--shadow-card);
    border-top: 6px solid var(--green-main);
    transition: 0.25s;
    display: flex;
    flex-direction: column;
}

.sponsor-card:hover { transform: translateY(-6px); }

.sponsor-card.platinum {
    border-top-color: #FFD700;
    background: linear-gradient(145deg, #fff, #fafafa);
}

.sponsor-card.in-kind {
    border-top-color: var(--yellow);
    border-style: dashed;
}

.sponsor-card-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.tier-name {
    font-family: 'Anton', sans-serif;
    font-size: 1.4rem;
    text-transform: uppercase;
    color: var(--dark-blue);
}

.tier-price {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-blue);
}

.sponsor-benefits-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.sponsor-benefits-list li {
    padding: 6px 0 6px 28px;
    position: relative;
    font-size: 0.92rem;
    opacity: 0.85;
    line-height: 1.5;
}

.sponsor-benefits-list li::before {
    content: '✓';
    color: var(--green-main);
    font-weight: 700;
    position: absolute;
    left: 0;
    top: 6px;
}

/* ---------- CONTRIBUTION LIST (mobile stack) ---------- */
.contribution-list {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 24px;
}

.contribution-list li {
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

/* ---------- SPONSOR BENEFITS (existing) ---------- */
.sponsor-why { padding: 40px 0 20px; }

.sponsor-benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 16px;
}

@media (max-width: 700px) {
    .sponsor-benefits { grid-template-columns: 1fr; }
}

.benefit-item {
    display: flex;
    gap: 18px;
    background: var(--white);
    padding: 24px 28px;
    border-radius: 24px;
    box-shadow: var(--shadow-card);
    border-top: 6px solid var(--yellow);
    align-items: flex-start;
}

.benefit-item i {
    font-size: 2rem;
    color: var(--primary-blue);
    min-width: 40px;
    margin-top: 4px;
}

.benefit-item h4 {
    font-family: 'Anton', sans-serif;
    font-size: 1.1rem;
    text-transform: uppercase;
    color: var(--dark-blue);
    letter-spacing: 0.3px;
}

.benefit-item p {
    font-size: 0.92rem;
    opacity: 0.8;
    margin-top: 2px;
}

/* ---------- EVENT DETAILS ---------- */
.event-details-card {
    background: var(--white);
    border-radius: 24px;
    padding: 36px 40px;
    box-shadow: var(--shadow-card);
    border-top: 8px solid var(--green-main);
    margin-bottom: 40px;
}

.event-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px 40px;
}

@media (max-width: 700px) {
    .event-details-grid { grid-template-columns: 1fr; gap: 16px; }
}

.event-detail-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.event-detail-item .icon {
    width: 48px;
    height: 48px;
    background: var(--green-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 1.4rem;
    flex-shrink: 0;
}

.event-detail-item .info { font-weight: 600; }
.event-detail-item .info .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-blue);
    opacity: 0.7;
}
.event-detail-item .info .value {
    font-size: 1.1rem;
    color: var(--dark-blue);
}

/* ---------- CONTACT (Collapsible) ---------- */
.contact-wrapper {
    margin: 40px 0;
}

.contact-header {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 2px solid var(--green-light);
}

.contact-header h2 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-header .fa-chevron-down {
    transition: transform 0.3s ease;
}

.contact-header .fa-chevron-down.open {
    transform: rotate(180deg);
}

.contact-collapsible {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.5s ease;
}

.contact-collapsible.open {
    max-height: 600px;
}

.contact-card {
    background: var(--white);
    border-radius: 24px;
    padding: 36px 32px;
    box-shadow: var(--shadow-card);
    border-top: 8px solid var(--yellow);
    margin-top: 16px;
}

.contact-card .contact-person {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--dark-blue);
}

.contact-card .contact-detail {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-weight: 500;
}

.contact-card .contact-detail i {
    width: 24px;
    color: var(--primary-blue);
    font-size: 1.1rem;
}

.contact-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.contact-buttons .btn-contact {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border: 2px solid var(--primary-blue);
    background: var(--white);
    color: var(--primary-blue);
    transition: 0.2s;
    cursor: pointer;
}

.contact-buttons .btn-contact:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.contact-buttons .btn-contact.whatsapp {
    background: #25D366;
    border-color: #25D366;
    color: #fff;
}

.contact-buttons .btn-contact.whatsapp:hover {
    background: #1da851;
    border-color: #1da851;
}

.contact-buttons .btn-contact.email {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: #fff;
}

.contact-buttons .btn-contact.email:hover {
    background: var(--dark-blue);
    border-color: var(--dark-blue);
}

.contact-note {
    margin-top: 16px;
    font-size: 0.85rem;
    opacity: 0.6;
}

/* ---------- REGISTRATION MODAL ---------- */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: 24px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 30px 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 2rem;
    color: var(--dark-blue);
    cursor: pointer;
    transition: 0.2s;
    line-height: 1;
}

.modal-close:hover {
    color: #ff0000;
    transform: scale(1.2);
}

/* ---------- CTA ---------- */
.cta-box {
    background: var(--dark-blue);
    color: var(--white);
    border-radius: 24px;
    padding: 40px 36px;
    text-align: center;
    margin-bottom: 40px;
}

.cta-box h3 {
    font-family: 'Anton', sans-serif;
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-box p {
    opacity: 0.8;
    max-width: 600px;
    margin: 8px auto 20px;
}

.cta-box .btn-cta {
    display: inline-block;
    background: var(--yellow);
    color: var(--dark-blue);
    padding: 14px 48px;
    border-radius: 60px;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: 0.25s;
    box-shadow: 0 4px 16px rgba(255, 201, 60, 0.3);
}

.cta-box .btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(255, 201, 60, 0.4);
}

/* ---------- FOOTER ---------- */
.footer {
    background: var(--dark-blue);
    color: rgba(255,255,255,0.8);
    padding: 32px 0 24px;
    margin-top: 48px;
    text-align: center;
}

.footer strong { color: var(--white); }
.footer-tagline {
    font-size: 0.85rem;
    opacity: 0.6;
    margin-top: 6px;
    letter-spacing: 0.5px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 820px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 12px;
        padding: 16px 0;
        border-top: 2px solid var(--green-light);
        margin-top: 12px;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 8px 0;
        width: 100%;
        text-align: center;
        border-bottom: none;
    }

    .btn-nav {
        padding: 10px 24px !important;
        width: auto;
        align-self: center;
    }
}

@media (max-width: 640px) {
    .hero-left { padding: 32px 20px; }
    .hero-content h1 { font-size: 2.6rem; }
    .hero-right { padding: 32px 20px; }
    .countdown-item .num { font-size: 2rem; }
    .section-title { font-size: 2rem; }
    .hero-logo-img { width: 120px; height: 120px; }
    .hero-logo-label { font-size: 0.85rem; padding: 3px 12px; }

    /* Stack contribution list on mobile */
    .contribution-list {
        grid-template-columns: 1fr;
    }

    .event-details-card { padding: 24px 20px; }
    .sponsor-cards-grid { grid-template-columns: 1fr; }
    .sponsor-table-wrap { padding: 20px 16px; }
    .form-card, .contact-card { padding: 24px 20px; }
    .cta-box { padding: 28px 20px; }
    .cta-box h3 { font-size: 1.4rem; }
    .modal-content { padding: 20px 12px; }

    .context-card img {
        aspect-ratio: 1 / 1;
        height: auto;
    }
}