/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    background-image: url('background.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: #fff;
    position: relative;
}

/* Background Overlay */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 40, 0.88) 0%,
        rgba(30, 20, 60, 0.80) 50%,
        rgba(10, 10, 40, 0.88) 100%
    );
    z-index: -1;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 0;
}

.logo {
    width: 200px;
    height: auto;
    filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.8)) drop-shadow(0 4px 15px rgba(212, 175, 55, 0.4));
    animation: float 3s ease-in-out infinite;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 10px 0 40px;
}

.title {
    font-size: 3.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #d4af37, #f4d03f, #fff5cc, #d4af37);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    letter-spacing: 3px;
    animation: shimmer 4s ease infinite;
    text-shadow: none;
}

@keyframes shimmer {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    letter-spacing: 1px;
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(244, 208, 63, 0.08));
    border: 2px solid rgba(212, 175, 55, 0.4);
    border-radius: 24px;
    padding: 40px;
    margin: 35px auto;
    max-width: 700px;
    text-align: center;
    backdrop-filter: blur(15px);
    box-shadow: 
        0 15px 50px rgba(0, 0, 0, 0.3), 
        0 0 40px rgba(212, 175, 55, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: glow 3s ease-in-out infinite alternate;
    position: relative;
    overflow: hidden;
}

.highlight-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    animation: shine 4s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

@keyframes glow {
    from { box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3), 0 0 40px rgba(212, 175, 55, 0.15); }
    to { box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3), 0 0 60px rgba(212, 175, 55, 0.25); }
}

.highlight-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: #f4d03f;
}

.highlight-icon i {
    filter: drop-shadow(0 2px 8px rgba(212, 175, 55, 0.5));
}

.highlight-box h2 {
    font-size: 1.9rem;
    color: #f4d03f;
    margin-bottom: 18px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(212, 175, 55, 0.3);
}

.highlight-box p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
}

.highlight-box strong {
    color: #f4d03f;
    font-weight: 600;
}

/* Download Section */
.download-section {
    display: flex;
    justify-content: center;
    padding: 45px 0;
    position: relative;
    z-index: 10;
}

.download-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #d4af37, #f4d03f, #e8c547, #d4af37);
    background-size: 300% 300%;
    color: #0a0a28;
    text-decoration: none;
    padding: 28px 90px;
    border-radius: 24px;
    font-weight: 700;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 
        0 15px 50px rgba(212, 175, 55, 0.4),
        0 5px 15px rgba(0, 0, 0, 0.2),
        inset 0 2px 0 rgba(255, 255, 255, 0.3);
    animation: gradient 4s ease infinite;
    position: relative;
    overflow: hidden;
    z-index: 20;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.download-btn:hover::before {
    left: 100%;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.download-btn:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 
        0 25px 60px rgba(212, 175, 55, 0.5),
        0 10px 25px rgba(0, 0, 0, 0.3),
        inset 0 2px 0 rgba(255, 255, 255, 0.3);
}

.download-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.download-icon i {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.download-text {
    font-size: 2.2rem;
    letter-spacing: 4px;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.3);
}

.download-subtext {
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.85;
    margin-top: 8px;
}

/* Gallery Section */
.gallery-section {
    padding: 60px 0;
    text-align: center;
}

.gallery-title {
    font-size: 2.2rem;
    color: #f4d03f;
    margin-bottom: 12px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(212, 175, 55, 0.3);
}

.gallery-subtitle {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 35px;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

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

.gallery-main {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4), rgba(20, 20, 40, 0.5));
    border-radius: 24px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 
        0 15px 50px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.main-image {
    width: 100%;
    max-width: 280px;
    height: auto;
    border-radius: 18px;
    transition: transform 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.gallery-thumbnails {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}

.thumbnail {
    width: 75px;
    height: auto;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    opacity: 0.5;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.thumbnail:hover {
    opacity: 1;
    transform: scale(1.1) translateY(-5px);
}

.thumbnail.active {
    border-color: #f4d03f;
    opacity: 1;
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.5), 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Features Section */
.features-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    padding: 60px 0;
    max-width: 950px;
    margin: 0 auto;
}

.feature {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    padding: 35px;
    text-align: center;
    backdrop-filter: blur(15px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature:hover::before {
    opacity: 1;
}

.feature:hover {
    transform: translateY(-12px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3), 0 0 30px rgba(212, 175, 55, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 18px;
    color: #f4d03f;
}

.feature-icon i {
    filter: drop-shadow(0 2px 8px rgba(212, 175, 55, 0.4));
}

.feature h3 {
    font-size: 1.4rem;
    color: #f4d03f;
    margin-bottom: 12px;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.feature p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

/* Footer */
.footer {
    text-align: center;
    padding: 50px 0 25px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .title {
        font-size: 2.4rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .logo {
        width: 160px;
    }
    
    .highlight-box {
        padding: 30px 22px;
        margin: 25px 15px;
    }
    
    .highlight-box h2 {
        font-size: 1.5rem;
    }
    
    .highlight-box p {
        font-size: 1rem;
    }
    
    .download-btn {
        padding: 22px 55px;
    }
    
    .download-text {
        font-size: 1.6rem;
    }
    
    .features-section {
        grid-template-columns: 1fr;
        padding: 40px 15px;
    }
    
    .thumbnail {
        width: 65px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 1.9rem;
    }
    
    .logo {
        width: 140px;
    }
    
    .highlight-icon {
        font-size: 2.8rem;
    }
    
    .download-btn {
        padding: 20px 45px;
    }
    
    .download-text {
        font-size: 1.4rem;
    }
    
    .download-icon {
        font-size: 2rem;
    }
    
    .gallery-title {
        font-size: 1.8rem;
    }
}


/* Social Groups Section */
.social-groups-section {
    padding: 50px 0;
    text-align: center;
}

.social-title {
    font-size: 2rem;
    color: #f4d03f;
    margin-bottom: 12px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(212, 175, 55, 0.3);
}

.social-subtitle {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 35px;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    max-width: 700px;
    margin: 0 auto;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 18px 35px;
    border-radius: 18px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.social-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.social-btn:hover::before {
    left: 100%;
}

.social-btn:hover {
    transform: translateY(-8px) scale(1.05);
}

.social-icon {
    width: 45px;
    height: 45px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.social-text {
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* WhatsApp Button */
.whatsapp-btn {
    background: linear-gradient(135deg, #25D366, #128C7E, #075E54);
    background-size: 200% 200%;
    animation: gradient 4s ease infinite;
    border: 2px solid rgba(37, 211, 102, 0.5);
}

.whatsapp-btn:hover {
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4), 0 0 30px rgba(37, 211, 102, 0.2);
    border-color: rgba(37, 211, 102, 0.8);
}

/* Telegram Button */
.telegram-btn {
    background: linear-gradient(135deg, #0088cc, #229ED9, #0077B5);
    background-size: 200% 200%;
    animation: gradient 4s ease infinite;
    border: 2px solid rgba(0, 136, 204, 0.5);
}

.telegram-btn:hover {
    box-shadow: 0 15px 40px rgba(0, 136, 204, 0.4), 0 0 30px rgba(0, 136, 204, 0.2);
    border-color: rgba(0, 136, 204, 0.8);
}

/* Responsive for Social Buttons */
@media (max-width: 768px) {
    .social-buttons {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .social-btn {
        width: 280px;
        justify-content: center;
    }
    
    .social-title {
        font-size: 1.7rem;
    }
}

@media (max-width: 480px) {
    .social-btn {
        width: 100%;
        max-width: 280px;
        padding: 15px 25px;
    }
    
    .social-icon {
        width: 38px;
        height: 38px;
    }
    
    .social-text {
        font-size: 1rem;
    }
}