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

:root {
    --primary-color: #3b5998;
    --secondary-color: #ff4757;
    --accent-color: #ffd700;
    --dark-bg: #0a0e27;
    --light-text: #ffffff;
    --gray-text: #b8c1ec;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0a0e27 100%);
    color: var(--light-text);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Particles Background */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
    animation: float linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* Logo Section */
.logo-container {
    text-align: center;
    padding: 3rem 0;
    perspective: 1000px;
}

.logo-3d {
    display: inline-block;
    animation: float3D 3s ease-in-out infinite;
    transform-style: preserve-3d;
}

.logo {
    max-width: 300px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(59, 89, 152, 0.4));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.1) rotateY(10deg);
}

@keyframes float3D {
    0%, 100% {
        transform: translateY(0px) rotateX(0deg);
    }
    50% {
        transform: translateY(-20px) rotateX(5deg);
    }
}

/* Content */
.content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.title-line {
    display: block;
    animation: slideInUp 0.8s ease-out backwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.gradient-text {
    background: linear-gradient(135deg, #3b5998 0%, #ff4757 50%, #ffd700 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient 3s ease infinite, slideInUp 0.8s ease-out backwards;
}

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

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subtitle {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--gray-text);
    margin-bottom: 4rem;
    line-height: 1.8;
    animation: fadeIn 1s ease-out 0.4s backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Countdown Timer */
.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 5rem;
    flex-wrap: wrap;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem 2.5rem;
    min-width: 150px;
    transform-style: preserve-3d;
    transition: all 0.3s ease;
    animation: scaleIn 0.6s ease-out backwards;
}

.countdown-item:nth-child(1) { animation-delay: 0.5s; }
.countdown-item:nth-child(2) { animation-delay: 0.6s; }
.countdown-item:nth-child(3) { animation-delay: 0.7s; }
.countdown-item:nth-child(4) { animation-delay: 0.8s; }

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.countdown-item:hover {
    transform: translateY(-10px) scale(1.05);
    background: rgba(59, 89, 152, 0.2);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(59, 89, 152, 0.3);
}

.countdown-value {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.countdown-label {
    font-size: 1rem;
    color: var(--gray-text);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 5rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    transform-style: preserve-3d;
    animation: fadeInUp 0.8s ease-out backwards;
}

.feature-card:nth-child(1) { animation-delay: 0.9s; }
.feature-card:nth-child(2) { animation-delay: 1s; }
.feature-card:nth-child(3) { animation-delay: 1.1s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card:hover {
    transform: translateY(-15px) rotateX(5deg);
    background: rgba(59, 89, 152, 0.15);
    border-color: var(--primary-color);
    box-shadow: 0 30px 80px rgba(59, 89, 152, 0.3);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--light-text);
}

.feature-card p {
    color: var(--gray-text);
    line-height: 1.6;
}

/* Notify Section */
.notify-section {
    background: rgba(59, 89, 152, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 89, 152, 0.3);
    border-radius: 30px;
    padding: 3rem;
    margin-bottom: 4rem;
    animation: fadeIn 1s ease-out 1.2s backwards;
}

.notify-section h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.notify-form {
    display: flex;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.notify-form input {
    flex: 1;
    min-width: 250px;
    padding: 1.2rem 1.5rem;
    font-size: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--light-text);
    transition: all 0.3s ease;
}

.notify-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(59, 89, 152, 0.1);
    box-shadow: 0 0 20px rgba(59, 89, 152, 0.3);
}

.notify-form input::placeholder {
    color: var(--gray-text);
}

.btn-primary {
    padding: 1.2rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    transition: left 0.3s ease;
}

.btn-primary:hover::before {
    left: 0;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 71, 87, 0.4);
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

/* Contact Info */
.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    animation: fadeIn 1s ease-out 1.3s backwards;

}
@media (max-width: 768px) {
    .contact-info {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.1rem;
    color: var(--gray-text);
    transition: all 0.3s ease;
}

.contact-item:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.contact-item .icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.contact-item a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--accent-color);
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
    animation: fadeIn 1s ease-out 1.4s backwards;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--light-text);
    transition: all 0.3s ease;
}

.social-link svg {
    width: 24px;
    height: 24px;
}

.social-link:hover {
    transform: translateY(-5px) rotate(360deg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: transparent;
    box-shadow: 0 10px 30px rgba(59, 89, 152, 0.4);
}

/* Floating Shapes */
.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(40px);
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: 10%;
    left: 5%;
    animation: float-shape 20s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    bottom: 10%;
    right: 10%;
    animation: float-shape 15s ease-in-out infinite reverse;
}

.shape-3 {
    width: 500px;
    height: 500px;
    background: var(--accent-color);
    top: 50%;
    left: 50%;
    animation: float-shape 25s ease-in-out infinite;
}

.shape-4 {
    width: 250px;
    height: 250px;
    background: var(--primary-color);
    bottom: 30%;
    left: 20%;
    animation: float-shape 18s ease-in-out infinite reverse;
}

@keyframes float-shape {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(50px, -50px) rotate(120deg);
    }
    66% {
        transform: translate(-30px, 30px) rotate(240deg);
    }
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--gray-text);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .logo {
        max-width: 200px;
    }

    .countdown {
        gap: 1rem;
    }

    .countdown-item {
        padding: 1.5rem 1.5rem;
        min-width: 120px;
    }

    .countdown-value {
        font-size: 2rem;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .notify-section {
        padding: 2rem 1.5rem;
    }

    .notify-form {
        flex-direction: column;
    }

    .notify-form input {
        min-width: 100%;
    }

    .contact-info {
        flex-direction: column;
        gap: 1.5rem;
    }

    .social-links {
        gap: 1rem;
    }

    .social-link {
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }

    .countdown-item {
        padding: 1rem;
        min-width: 100px;
    }

    .countdown-value {
        font-size: 1.8rem;
    }
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s ease-in-out infinite;
}

/* WhatsApp Button */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse-whatsapp 2s ease-in-out infinite;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.6);
}

.whatsapp-button svg {
    width: 35px;
    height: 35px;
    fill: white;
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 8px 40px rgba(37, 211, 102, 0.7);
    }
}

.whatsapp-tooltip {
    position: absolute;
    left: 75px;
    bottom: 50%;
    transform: translateY(50%);
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    padding: 0.6rem 1rem;
    border-radius: 10px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.whatsapp-button:hover .whatsapp-tooltip {
    opacity: 1;
    left: 80px;
}

.whatsapp-tooltip::before {
    content: '';
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-right-color: rgba(255, 255, 255, 0.95);
}

@media (max-width: 768px) {
    .whatsapp-button {
        bottom: 20px;
        left: 20px;
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-button svg {
        width: 30px;
        height: 30px;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
}