/* ===== Base Styles ===== */
:root {
    --primary: #00ffcc;
    --secondary: #00b3ff;
    --accent: #ff00aa;
    --dark: #0a0a1a;
    --darker: #050510;
    --light: #ffffff;
    --text: rgba(255, 255, 255, 0.9);
    --text-secondary: rgba(255, 255, 255, 0.7);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text);
    background-color: var(--darker);
    overflow-x: hidden;
    perspective: 1000px;
}

/* ===== Background Effects ===== */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--darker), var(--dark));
    z-index: -3;
    animation: gradientShift 15s ease infinite;
    background-size: 200% 200%;
}

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

.stars, .stars2, .stars3 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: transparent;
}

.stars::after, .stars2::after, .stars3::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, var(--light), rgba(0,0,0,0)),
        radial-gradient(2px 2px at 40px 70px, var(--light), rgba(0,0,0,0)),
        radial-gradient(2px 2px at 90px 40px, var(--light), rgba(0,0,0,0));
    background-repeat: repeat;
    animation: starsAnim 100s linear infinite;
}

.stars2::after {
    background-image: 
        radial-gradient(1px 1px at 50px 160px, var(--light), rgba(0,0,0,0)),
        radial-gradient(1px 1px at 90px 90px, var(--light), rgba(0,0,0,0)),
        radial-gradient(1px 1px at 130px 60px, var(--light), rgba(0,0,0,0));
    animation: starsAnim 120s linear infinite;
}

.stars3::after {
    background-image: 
        radial-gradient(1.5px 1.5px at 190px 190px, var(--light), rgba(0,0,0,0)),
        radial-gradient(1.5px 1.5px at 240px 30px, var(--light), rgba(0,0,0,0)),
        radial-gradient(1.5px 1.5px at 280px 120px, var(--light), rgba(0,0,0,0));
    animation: starsAnim 150s linear infinite;
}

@keyframes starsAnim {
    from { transform: translateY(0); }
    to { transform: translateY(-1000px); }
}

/* ===== Particle Background ===== */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: -1;
}

/* ===== Main Container ===== */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    transform-style: preserve-3d;
}

/* ===== 3D Header ===== */
.header-3d {
    background: rgba(10, 10, 30, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateZ(20px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.header-3d:hover {
    transform: translateZ(30px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
}

.header-3d::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent));
    z-index: -1;
    border-radius: 22px;
    animation: borderRotate 6s linear infinite;
}

.header-3d::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent));
    z-index: -2;
    filter: blur(20px);
    border-radius: 22px;
    opacity: 0.5;
    animation: borderRotate 6s linear infinite reverse;
}

@keyframes borderRotate {
    100% { transform: rotate(360deg); }
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    position: relative;
}

.logo-inner {
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-spin {
    width: 60px;
    height: 60px;
    object-fit: contain;
    animation: logoFloat 6s ease-in-out infinite, logoSpin 20s linear infinite;
    filter: drop-shadow(0 0 10px var(--primary));
    z-index: 2;
}

.logo-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary), transparent 70%);
    opacity: 0.3;
    animation: pulse 3s ease-in-out infinite alternate;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(5deg); }
}

@keyframes logoSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.title-neon {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 10px rgba(0, 255, 204, 0.3);
    position: relative;
    animation: textGlow 2s ease-in-out infinite alternate;
}

@keyframes textGlow {
    from { text-shadow: 0 0 10px rgba(0, 255, 204, 0.3); }
    to { text-shadow: 0 0 20px rgba(0, 255, 204, 0.7), 0 0 30px rgba(0, 179, 255, 0.5); }
}

.header-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at center, var(--primary) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.1;
    animation: particleMove 60s linear infinite;
}

@keyframes particleMove {
    100% { background-position: 100px 100px; }
}

/* ===== Content Section ===== */
.content-3d {
    transform-style: preserve-3d;
}

.offer-section {
    position: relative;
    padding: 30px;
    background: rgba(10, 10, 30, 0.5);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 40px;
    transform: translateZ(10px);
    transition: var(--transition);
    overflow: hidden;
}

.offer-section:hover {
    transform: translateZ(20px);
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 40px;
    font-size: 2rem;
    font-weight: 700;
    color: var(--light);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.title-text {
    position: relative;
    z-index: 2;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.title-shadow {
    position: absolute;
    top: 5px;
    left: 5px;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    z-index: 1;
    opacity: 0.5;
    filter: blur(5px);
}

.title-light {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    transform: translateY(-50%);
    z-index: 0;
    filter: blur(1px);
    animation: lightScan 3s ease-in-out infinite;
}

@keyframes lightScan {
    0%, 100% { opacity: 0; left: -100%; }
    50% { opacity: 0.7; }
    100% { opacity: 0; left: 100%; }
}

/* ===== Options Grid ===== */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.option-card {
    position: relative;
    height: 180px;
    border-radius: 15px;
    overflow: hidden;
    text-decoration: none;
    transform-style: preserve-3d;
    transition: var(--transition);
    transform: translateZ(10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.option-card:hover {
    transform: translateZ(30px) rotateX(5deg) rotateY(5deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.holographic::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        rgba(0, 255, 204, 0.1),
        rgba(0, 179, 255, 0.1),
        rgba(255, 0, 170, 0.1),
        rgba(0, 255, 204, 0.1)
    );
    background-size: 400% 400%;
    animation: hologram 8s ease infinite;
    z-index: 1;
    mix-blend-mode: overlay;
}

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

.card-content {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(15, 15, 35, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2;
    transition: var(--transition);
}

.option-card:hover .card-content {
    background: rgba(20, 20, 50, 0.8);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--primary);
    transition: var(--transition);
}

.option-card:hover .card-icon {
    transform: scale(1.2) translateY(-5px);
    color: var(--secondary);
}

.card-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--light);
    text-align: center;
    transition: var(--transition);
}

.option-card:hover h3 {
    transform: translateY(5px);
    color: var(--primary);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary), transparent 60%);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.option-card:hover .card-glow {
    opacity: 0.2;
}

.card-reflect {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.3), transparent);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: var(--transition);
    z-index: 3;
}

.option-card:hover .card-reflect {
    transform: scaleY(1);
}

/* ===== 3D Footer ===== */
.footer-3d {
    background: rgba(10, 10, 30, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateZ(20px);
    position: relative;
    overflow: hidden;
}

.footer-3d p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 2;
}

.footer-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    animation: wave 3s ease-in-out infinite;
    opacity: 0.3;
}

@keyframes wave {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(50px); }
}

/* ===== Modal Styles ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: rgba(15, 15, 35, 0.95);
    border-radius: 20px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    position: relative;
}

.modal-header h2 {
    font-size: 1.8rem;
    color: var(--primary);
    font-weight: 700;
}

.modal-close {
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--primary);
    transform: rotate(90deg);
}

.modal-body {
    margin-bottom: 25px;
}

.modal-body p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: var(--text);
}

.modal-button {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--dark);
    border: none;
    padding: 12px 25px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 255, 204, 0.3);
}

/* ===== Welcome Modal ===== */
.welcome-modal .modal-content {
    max-width: 400px;
    text-align: center;
}

.welcome-animation {
    position: relative;
    height: 100px;
    margin-bottom: 30px;
}

.welcome-circle {
    position: absolute;
    border-radius: 50%;
    animation: welcomePulse 2s ease-in-out infinite;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.welcome-circle:nth-child(1) {
    width: 80px;
    height: 80px;
    background: rgba(0, 255, 204, 0.2);
    animation-delay: 0s;
}

.welcome-circle:nth-child(2) {
    width: 120px;
    height: 120px;
    background: rgba(0, 179, 255, 0.15);
    animation-delay: 0.2s;
}

.welcome-circle:nth-child(3) {
    width: 160px;
    height: 160px;
    background: rgba(255, 0, 170, 0.1);
    animation-delay: 0.4s;
}

@keyframes welcomePulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.7; }
}

.welcome-title {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--primary);
    font-weight: 700;
}

.welcome-text {
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.5;
}

.welcome-input {
    width: 100%;
    padding: 12px 20px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    font-size: 1rem;
    transition: var(--transition);
}

.welcome-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 255, 204, 0.3);
}

.welcome-buttons {
    display: flex;
    gap: 15px;
}

.welcome-button {
    flex: 1;
    padding: 12px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.welcome-button:not(.skip) {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--dark);
}

.welcome-button.skip {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.welcome-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 15px 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s ease;
    z-index: 1100;
    max-width: 300px;
    display: flex;
    align-items: center;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.toast-close {
    margin-left: 15px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.toast-close:hover {
    color: var(--primary);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .options-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .title-neon {
        font-size: 2rem;
    }
    
    .header-3d, .offer-section, .footer-3d {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .title-neon {
        font-size: 1.8rem;
    }
    
    .welcome-buttons {
        flex-direction: column;
    }
}