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

:root {
    --primary-color: #0071e3;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --background: #ffffff;
    --card-background: #f5f5f7;
    --gradient-start: #0071e3;
    --gradient-end: #00c3ff;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', 
                 Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    padding: 1rem 5%;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.logo {
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6rem 5% 4rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.hero-content {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease-out;
}

.title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
    font-weight: 400;
}

/* Launch Badge */
.launch-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--card-background);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 2.5rem;
    animation: pulse 2s ease-in-out infinite;
}

.badge-icon {
    font-size: 1.2rem;
}

.badge-text {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Notify Section */
.notify-section {
    display: flex;
    gap: 0.75rem;
    max-width: 500px;
    margin: 0 auto 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.email-input {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid #d2d2d7;
    border-radius: 12px;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.email-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

.notify-button {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    white-space: nowrap;
}

.notify-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 113, 227, 0.3);
}

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

.privacy-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    width: 100%;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.feature-card {
    background: var(--card-background);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem 5%;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

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

/* Success Message */
.success-message {
    background: #34c759;
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    margin-top: 1rem;
    animation: fadeInUp 0.5s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem 1.5rem;
    }

    .hero {
        padding: 5rem 1.5rem 3rem;
    }

    .title {
        font-size: 2.5rem;
    }

    .notify-section {
        flex-direction: column;
        gap: 1rem;
    }

    .email-input,
    .notify-button {
        width: 100%;
        min-width: auto;
    }

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

    .feature-card {
        padding: 2rem 1.5rem;
    }
}

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

    .subtitle {
        font-size: 1rem;
    }

    .logo {
        font-size: 1.1rem;
    }
}