/* ============================================
   Global Styles & Variables
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #2563eb 0%, #8b5cf6 100%);
    --gradient-3: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Particles Background
   ============================================ */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 20s infinite;
}

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

/* ============================================
   Container & Content
   ============================================ */
.container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 15px;
}

.content {
    max-width: 900px;
    width: 100%;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

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

/* ============================================
   Logo
   ============================================ */
.logo {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
    animation: bounceIn 1s ease-out 0.2s both;
}

.logo i {
    font-size: 24px;
    color: var(--white);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.2));
}

.logo span {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

/* ============================================
   Title & Description
   ============================================ */
.title {
    font-size: 42px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 10px;
    line-height: 1.2;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.highlight {
    display: block;
    background: linear-gradient(90deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.description {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 25px;
    line-height: 1.6;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 1s ease-out 0.6s both;
}

/* ============================================
   Countdown Timer
   ============================================ */
.countdown {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 10px 12px;
    min-width: 75px;
    transition: all 0.3s ease;
    animation: pulse 2s ease-in-out infinite;
}

.countdown-item:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.countdown-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    line-height: 1;
    margin-bottom: 2px;
}

.countdown-label {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.countdown-separator {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    opacity: 0.6;
    margin: 0 2px;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(255, 255, 255, 0);
    }
}

/* ============================================
   Features
   ============================================ */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease-out 1s both;
}

.feature {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 18px 12px;
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    transition: all 0.3s ease;
}

.feature:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-icon i {
    font-size: 22px;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 5px;
}

.feature p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
}

/* ============================================
   Notify Section
   ============================================ */
.notify-section {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 20px 16px;
    margin-bottom: 25px;
    animation: fadeInUp 1s ease-out 1.2s both;
}

.notify-section h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}

.notify-section p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
}

.notify-form {
    display: flex;
    gap: 8px;
    max-width: 400px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.notify-form input {
    flex: 1;
    min-width: 180px;
    padding: 11px 13px;
    font-size: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--dark-color);
    transition: all 0.3s ease;
    outline: none;
}

.notify-form input:focus {
    border-color: var(--white);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.2);
}

.notify-form input::placeholder {
    color: rgba(0, 0, 0, 0.4);
}

.notify-form button {
    padding: 11px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    background: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.notify-form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.notify-form button:active {
    transform: translateY(0);
}

.success-message {
    display: none;
    margin-top: 20px;
    padding: 16px 24px;
    background: rgba(16, 185, 129, 0.9);
    color: var(--white);
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    animation: slideIn 0.5s ease-out;
}

.success-message.show {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Social Links
   ============================================ */
.social-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 15px;
    animation: fadeInUp 1s ease-out 1.4s both;
}

.social-link {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 14px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px) rotate(5deg);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    color: rgba(255, 255, 255, 0.7);
    font-size: 11px;
    animation: fadeInUp 1s ease-out 1.6s both;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .title {
        font-size: 28px;
    }

    .description {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .countdown {
        gap: 3px;
        margin-bottom: 25px;
    }

    .countdown-item {
        padding: 8px 10px;
        min-width: 65px;
    }

    .countdown-value {
        font-size: 20px;
    }

    .countdown-label {
        font-size: 10px;
    }

    .countdown-separator {
        font-size: 18px;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-bottom: 25px;
    }

    .notify-section {
        padding: 15px 12px;
        margin-bottom: 20px;
    }

    .notify-section h2 {
        font-size: 17px;
    }

    .notify-section p {
        font-size: 13px;
        margin-bottom: 12px;
    }

    .notify-form {
        flex-direction: column;
        gap: 6px;
    }

    .notify-form input,
    .notify-form button {
        width: 100%;
        justify-content: center;
        padding: 10px 12px;
        font-size: 13px;
    }

    .logo {
        margin-bottom: 10px;
    }

    .logo i {
        font-size: 20px;
    }

    .logo span {
        font-size: 18px;
    }

    .social-links {
        gap: 10px;
        margin-bottom: 12px;
    }

    .social-link {
        width: 32px;
        height: 32px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 24px;
    }

    .description {
        font-size: 13px;
    }

    .countdown-item {
        padding: 8px 10px;
        min-width: 60px;
    }

    .countdown-value {
        font-size: 18px;
    }

    .countdown-label {
        font-size: 8px;
    }

    .countdown-separator {
        font-size: 16px;
    }

    .feature {
        padding: 14px 10px;
    }

    .feature-icon {
        width: 40px;
        height: 40px;
    }

    .feature-icon i {
        font-size: 18px;
    }

    .feature h3 {
        font-size: 14px;
    }

    .feature p {
        font-size: 12px;
    }

    .notify-section h2 {
        font-size: 15px;
    }

    .notify-form button {
        font-size: 13px;
        padding: 10px 12px;
    }
}