/* =====================================================
   ProjectOneYug - Coming Soon Landing Page Styles
   Based on Flutter App Theme Colors
   ===================================================== */

/* CSS Variables - Based on Flutter Dark Theme */
:root {
    --primary-blue: #2196F3;
    --primary-dark: #1976D2;
    --secondary-cyan: #03DAC6;
    --secondary-dark: #00BFA5;
    --bg-black: #000000;
    --surface-1: #0A0A0A;
    --surface-2: #141414;
    --surface-3: #1E1E1E;
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --error: #F44336;
    --success: #4CAF50;
    --warning: #FF9800;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2196F3 0%, #03DAC6 100%);
    --gradient-dark: linear-gradient(135deg, #1976D2 0%, #00BFA5 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(33, 150, 243, 0.3) 0%, transparent 70%);
    
    /* Spacing */
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Animations */
    --transition-swift: 100ms ease;
    --transition-normal: 200ms ease;
    --transition-smooth: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-black);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background Animation */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary-blue);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 800px;
    height: 800px;
    background: var(--secondary-cyan);
    bottom: -300px;
    right: -300px;
    animation-delay: 7s;
}

.orb-3 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-cyan));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-badge {
    padding: 0.25rem 0.5rem;
    background: rgba(33, 150, 243, 0.2);
    border: 1px solid var(--primary-blue);
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-blue);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-normal);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    position: relative;
}

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

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(3, 218, 198, 0.1);
    border: 1px solid rgba(3, 218, 198, 0.3);
    border-radius: 50px;
    margin-bottom: 2rem;
    animation: fadeIn 1s ease-out 0.2s both;
}

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

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--secondary-cyan);
    border-radius: 50%;
    animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.5;
    }
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeIn 1s ease-out 0.4s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-white {
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.8;
    animation: fadeIn 1s ease-out 0.6s both;
}

.highlight {
    color: var(--secondary-cyan);
    font-weight: 600;
}

/* Signup Form */
.signup-container {
    animation: fadeIn 1s ease-out 0.8s both;
}

.signup-form {
    margin-bottom: 2rem;
}

.input-group {
    display: flex;
    gap: 0.5rem;
    max-width: 500px;
    margin: 0 auto;
}

.email-input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: var(--surface-2);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.email-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: var(--surface-3);
}

.email-input::placeholder {
    color: var(--text-tertiary);
}

.signup-btn {
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.signup-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(33, 150, 243, 0.3);
}

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

.btn-icon {
    transition: var(--transition-normal);
}

.signup-btn:hover .btn-icon {
    transform: translateX(4px);
}

.form-message {
    margin-top: 1rem;
    font-size: 0.9rem;
    min-height: 1.5rem;
}

.form-message.success {
    color: var(--success);
}

.form-message.error {
    color: var(--error);
}

/* Signup Stats */
.signup-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheel 2s infinite;
}

@keyframes wheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }
}

.scroll-text {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background: var(--surface-1);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--surface-2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(33, 150, 243, 0.2);
    box-shadow: 0 20px 40px rgba(33, 150, 243, 0.1);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    color: white;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.feature-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.badge {
    padding: 0.25rem 0.75rem;
    background: rgba(33, 150, 243, 0.1);
    border: 1px solid rgba(33, 150, 243, 0.2);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-blue);
}

/* Vision Section */
.vision {
    padding: 6rem 2rem;
    background: var(--bg-black);
    position: relative;
    overflow: hidden;
}

.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.vision-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

.vision-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.vision-stats {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
}

.vision-stat {
    text-align: center;
}

.vision-stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.vision-stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
}

/* Globe Animation */
.globe-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
}

.globe {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.globe-ring {
    position: absolute;
    border: 2px solid;
    border-radius: 50%;
    opacity: 0.3;
}

.ring-1 {
    width: 100%;
    height: 100%;
    border-color: var(--primary-blue);
    animation: rotate 20s linear infinite;
}

.ring-2 {
    width: 80%;
    height: 80%;
    border-color: var(--secondary-cyan);
    animation: rotate 15s linear infinite reverse;
}

.ring-3 {
    width: 60%;
    height: 60%;
    border-color: var(--primary-blue);
    animation: rotate 10s linear infinite;
}

.globe-core {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: 0 0 60px rgba(33, 150, 243, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Footer */
.footer {
    padding: 4rem 2rem 2rem;
    background: var(--surface-1);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-heading {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
}

.footer-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: var(--transition-normal);
}

.footer-link:hover {
    color: var(--primary-blue);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--surface-2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

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

.legal-link {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition-normal);
}

.legal-link:hover {
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: clamp(2rem, 10vw, 3.5rem);
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .signup-btn {
        width: 100%;
        justify-content: center;
    }
    
    .signup-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .vision-content {
        grid-template-columns: 1fr;
    }
    
    .vision-graphic {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Animations on Scroll (AOS-like) */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Loading State */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}