/* Landing Page - Cosmic Dark Theme */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
    background: #0a0a0f;
    color: #ffffff;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Cosmic Background Canvas */
#cosmicCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: #0a0a0f;
}

/* Landing Container */
.landing-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 100%;
}

/* Language Toggle */
.language-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 100;
}

.lang-btn {
    background: rgba(20, 20, 30, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.lang-btn:hover {
    background: rgba(100, 200, 255, 0.2);
    border-color: rgba(100, 200, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(100, 200, 255, 0.3);
}

.lang-icon {
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, rgba(100, 200, 255, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 3rem;
    font-weight: 300;
}

/* Waitlist Form */
.waitlist-form-container {
    max-width: 500px;
    margin: 0 auto;
}

.waitlist-form {
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

#emailInput {
    flex: 1;
    min-width: 200px;
    padding: 1rem 1.5rem;
    background: rgba(20, 20, 30, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

#emailInput::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

#emailInput:focus {
    border-color: rgba(100, 200, 255, 0.5);
    box-shadow: 0 0 20px rgba(100, 200, 255, 0.2);
    background: rgba(20, 20, 30, 0.8);
}

.submit-btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, rgba(100, 200, 255, 0.3) 0%, rgba(100, 150, 255, 0.3) 100%);
    border: 1px solid rgba(100, 200, 255, 0.5);
    border-radius: 50px;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.submit-btn:hover {
    background: linear-gradient(135deg, rgba(100, 200, 255, 0.5) 0%, rgba(100, 150, 255, 0.5) 100%);
    box-shadow: 0 0 30px rgba(100, 200, 255, 0.4);
    transform: translateY(-2px);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Spinner */
.spinner {
    animation: rotate 2s linear infinite;
    width: 20px;
    height: 20px;
}

.spinner .path {
    stroke: #ffffff;
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

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

@keyframes dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}

.hidden {
    display: none !important;
}

/* Form Message */
.form-message {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.875rem;
    margin-top: 1rem;
    text-align: center;
    animation: fadeIn 0.3s ease;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid rgba(34, 197, 94, 0.5);
    color: #4ade80;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: #f87171;
}

.privacy-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 0.75rem;
}

/* Features Section */
.features-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    text-align: center;
    margin-bottom: 4rem;
    color: rgba(255, 255, 255, 0.9);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(20, 20, 30, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    padding: 2rem;
    transition: all 0.4s ease;
    text-align: center;
}

.feature-card:hover {
    background: rgba(20, 20, 30, 0.6);
    border-color: rgba(100, 200, 255, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4),
                0 0 30px rgba(100, 200, 255, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(100, 200, 255, 0.3));
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.95);
}

.feature-description {
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 300;
}

/* CTA Section */
.cta-section {
    padding: 6rem 2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 400;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.95);
}

.cta-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 2rem;
    font-weight: 300;
}

.cta-btn {
    display: inline-block;
    padding: 1.25rem 3rem;
    background: linear-gradient(135deg, rgba(100, 200, 255, 0.3) 0%, rgba(100, 150, 255, 0.3) 100%);
    border: 1px solid rgba(100, 200, 255, 0.5);
    border-radius: 50px;
    color: #ffffff;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    background: linear-gradient(135deg, rgba(100, 200, 255, 0.5) 0%, rgba(100, 150, 255, 0.5) 100%);
    box-shadow: 0 0 40px rgba(100, 200, 255, 0.4);
    transform: translateY(-4px);
}

/* Footer */
.landing-footer {
    padding: 3rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-text {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: rgba(100, 200, 255, 0.9);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .language-toggle {
        top: 1rem;
        right: 1rem;
    }
    
    .lang-btn {
        width: 48px;
        height: 48px;
    }
    
    .hero-section {
        min-height: 90vh;
        padding: 1.5rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    #emailInput,
    .submit-btn {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
}

/* Print Styles for SEO */
@media print {
    #cosmicCanvas {
        display: none;
    }
    
    .language-toggle {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .feature-card {
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
}