/* ============================================
   GA SIEU CAP 2026 - HOMEPAGE REDESIGN CSS
   Append to end of main.css
   ============================================ */

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    background: url("../images/bg.jpeg") center top no-repeat;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 20px;
    width: 100%;
    max-width: 1000px;
}

.hero-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 999;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(10px);
    padding: 10px 0;
}

.hero-nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.hero-nav .nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.3s;
}

.hero-nav .nav-link:hover {
    background: rgba(255,165,0,0.3);
    color: #ffaa00;
}

.hero-nav .nav-link.highlight {
    background: #ff6600;
    color: #fff;
}

.hero-nav .nav-link.highlight:hover {
    background: #ff8800;
}

.hero-title-area {
    margin-top: 80px;
    margin-bottom: 30px;
}

.hero-title {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 52px;
    font-weight: 700;
    color: #ffcc00;
    text-shadow: 0 0 20px rgba(255,165,0,0.6), 2px 2px 4px rgba(0,0,0,0.8);
    margin-bottom: 10px;
    letter-spacing: 3px;
}

.hero-subtitle {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 22px;
    font-weight: 600;
    color: #fff;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.hero-desc {
    font-size: 16px;
    color: #ffd700;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
}

/* ===== COUNTDOWN ===== */
.countdown-wrapper {
    margin: 30px auto;
    padding: 25px;
    background: rgba(0,0,0,0.6);
    border-radius: 16px;
    border: 2px solid rgba(255,165,0,0.4);
    max-width: 550px;
}

.countdown-label {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: #ffaa00;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, #ff6600, #ff9900);
    border-radius: 12px;
    padding: 12px 18px;
    min-width: 70px;
    box-shadow: 0 4px 15px rgba(255,102,0,0.4);
}

.countdown-number {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}

.countdown-unit {
    font-size: 11px;
    color: rgba(255,255,255,0.85);
    text-transform: uppercase;
    margin-top: 4px;
    letter-spacing: 1px;
}

.countdown-live {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #00ff88;
    text-shadow: 0 0 20px rgba(0,255,136,0.5);
    padding: 20px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ===== DOWNLOAD SECTION (in hero) ===== */
.download-section {
    margin-top: 30px;
}

.section-title-light {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    max-width: 700px;
    margin: 0 auto;
}

.dl-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 12px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s;
    border: 2px solid rgba(255,255,255,0.2);
}

.dl-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    color: #fff;
    text-decoration: none;
}

.dl-pc { background: linear-gradient(135deg, #2196F3, #1565C0); }
.dl-android { background: linear-gradient(135deg, #4CAF50, #2E7D32); }
.dl-android32 { background: linear-gradient(135deg, #8BC34A, #558B2F); }
.dl-ios { background: linear-gradient(135deg, #607D8B, #37474F); }

.dl-pc:hover { background: linear-gradient(135deg, #42A5F5, #1976D2); }
.dl-android:hover { background: linear-gradient(135deg, #66BB6A, #388E3C); }
.dl-android32:hover { background: linear-gradient(135deg, #9CCC65, #689F38); }
.dl-ios:hover { background: linear-gradient(135deg, #78909C, #455A64); }

.dl-icon {
    font-size: 28px;
    line-height: 1;
}

.dl-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.dl-text strong {
    font-size: 14px;
    font-weight: 700;
}

.dl-text small {
    font-size: 11px;
    opacity: 0.8;
}

/* ===== EVENT SECTION ===== */
.event-section {
    padding: 60px 20px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    text-align: center;
}

.section-title {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #ffcc00;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.event-time {
    font-size: 18px;
    color: #ff6600;
    font-weight: 600;
    margin-bottom: 30px;
}

.prize-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 800px;
    margin: 0 auto 20px;
}

.prize-card {
    padding: 30px 20px;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.3s;
}

.prize-card:hover {
    transform: translateY(-5px);
}

.prize-gold {
    background: linear-gradient(135deg, #FFD700, #FFA000);
    box-shadow: 0 8px 30px rgba(255,215,0,0.3);
}

.prize-silver {
    background: linear-gradient(135deg, #C0C0C0, #9E9E9E);
    box-shadow: 0 8px 30px rgba(192,192,192,0.3);
}

.prize-bronze {
    background: linear-gradient(135deg, #CD7F32, #A0522D);
    box-shadow: 0 8px 30px rgba(205,127,50,0.3);
}

.prize-rank {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: rgba(0,0,0,0.7);
    margin-bottom: 10px;
}

.prize-amount {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #1a1a2e;
}

.prize-bonus {
    font-size: 14px;
    color: rgba(0,0,0,0.6);
    margin-top: 5px;
    font-weight: 600;
}

.prize-note {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    margin-top: 20px;
}

/* ===== FEATURES SECTION ===== */
.features-section {
    padding: 60px 20px;
    background: #0f0f23;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 30px 20px;
    transition: all 0.3s;
}

.feature-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: #ffaa00;
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #ffcc00;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
}

/* ===== GUIDE SECTION ===== */
.guide-section {
    padding: 60px 20px;
    background: linear-gradient(135deg, #1a1a2e, #0a3d62);
    text-align: center;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.guide-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 12px;
    padding: 25px 20px;
    text-align: left;
}

.guide-card h3 {
    font-size: 18px;
    color: #ffcc00;
    margin-bottom: 10px;
}

.guide-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    line-height: 1.6;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 50px 20px;
    background: linear-gradient(135deg, #ff6600, #ff9900);
    text-align: center;
}

.cta-title {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.cta-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 25px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.cta-btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.cta-zalo {
    background: #0068ff;
    color: #fff;
}

.cta-zalo:hover {
    background: #0055cc;
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,104,255,0.4);
}

.cta-fb {
    background: #fff;
    color: #ff6600;
    border: 2px solid #fff;
}

.cta-fb:hover {
    background: transparent;
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
}

/* ===== FOOTER ===== */
.site-footer {
    background: #0a0a1a;
    padding: 30px 20px 15px;
    color: rgba(255,255,255,0.6);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand strong {
    font-size: 18px;
    color: #ffcc00;
}

.footer-brand p {
    font-size: 13px;
    margin: 5px 0 0;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #ffaa00;
}

.footer-bottom {
    text-align: center;
    padding-top: 15px;
    max-width: 900px;
    margin: 0 auto;
}

.footer-bottom p {
    font-size: 12px;
    margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-title { font-size: 32px; }
    .hero-subtitle { font-size: 16px; }
    .hero-nav { gap: 10px; }
    .hero-nav .nav-link { font-size: 12px; padding: 6px 10px; }

    .download-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 400px;
    }

    .prize-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .countdown-item {
        min-width: 55px;
        padding: 10px 12px;
    }
    .countdown-number { font-size: 24px; }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .section-title, .section-title-light { font-size: 20px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 26px; letter-spacing: 1px; }
    .hero-subtitle { font-size: 14px; }
    .hero-desc { font-size: 13px; }
    .hero-nav { gap: 5px; flex-wrap: wrap; }
    .hero-nav .nav-link { font-size: 11px; padding: 5px 8px; }

    .download-grid {
        grid-template-columns: 1fr;
        max-width: 280px;
    }

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

    .countdown-timer { gap: 8px; }
    .countdown-item { min-width: 50px; padding: 8px 10px; }
    .countdown-number { font-size: 20px; }

    .cta-title { font-size: 20px; }
    .cta-btn { padding: 12px 24px; font-size: 14px; }
}

/* ===== HIDE OLD STYLES ===== */
.frames,
.frame-1,
.download-buttons-container,
.sub-nav-mb,
.infi-wrapper {
    display: none !important;
}