/* ================================
   Utagami Landing Page Styles
   Neo-Tokyo Cyberpunk Theme
   ================================ */

/* ========== Variables ========== */
:root {
    /* Colors from app */
    --neon-cyan: #55e7ff;
    --electric-blue: #00ccfd;
    --neon-pink: #ff34b3;
    --deep-purple: #2011a2;
    --dark-purple: #201148;
    --neo-background: #080514;
    --neon-green: #00c878;
    
    /* Additional colors */
    --white: #ffffff;
    --gray-light: rgba(255, 255, 255, 0.7);
    --gray-lighter: rgba(255, 255, 255, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-family: 'Exo 2', sans-serif;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--neo-background);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ========== Background Effects ========== */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(85, 231, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(85, 231, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 1;
}

#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

/* ========== Container ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 10;
}

/* ========== Navigation ========== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(8, 5, 20, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(85, 231, 255, 0.2);
    padding: var(--spacing-sm) 0;
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 45px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(85, 231, 255, 0.5));
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(85, 231, 255, 0.1);
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    font-family: var(--font-family);
}

.language-toggle:hover {
    background: rgba(85, 231, 255, 0.2);
    box-shadow: 0 0 20px rgba(85, 231, 255, 0.3);
    transform: translateY(-2px);
}

.language-toggle:active {
    transform: translateY(0);
}

.language-toggle .flag-es,
.language-toggle .flag-en {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.btn-nav {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid var(--neon-cyan);
    color: var(--neon-cyan);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: 0 0 20px rgba(85, 231, 255, 0.3);
}

.btn-nav:hover {
    background: var(--neon-cyan);
    color: var(--neo-background);
    box-shadow: 0 0 30px rgba(85, 231, 255, 0.6);
    transform: translateY(-2px);
}

/* ========== Hero Section ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--spacing-xl);
    position: relative;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    text-shadow: 
        0 0 20px rgba(85, 231, 255, 0.5),
        0 0 40px rgba(85, 231, 255, 0.3);
}

.gradient-text {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-light);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--neon-cyan), var(--electric-blue));
    color: var(--neo-background);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.1rem;
    transition: all var(--transition-normal);
    box-shadow: 
        0 0 30px rgba(85, 231, 255, 0.4),
        0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 0 50px rgba(85, 231, 255, 0.6),
        0 15px 40px rgba(0, 0, 0, 0.4);
}

.btn-primary .icon {
    width: 20px;
    height: 20px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--white);
    text-decoration: none;
    border: 2px solid var(--dark-purple);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    border-color: var(--neon-pink);
    color: var(--neon-pink);
    box-shadow: 0 0 20px rgba(255, 52, 179, 0.3);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-md);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(85, 231, 255, 0.5);
}

.stat-label {
    color: var(--gray-light);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Hero Image/Mockup */
.hero-image {
    position: relative;
    animation: fadeInRight 1s ease 0.3s backwards;
}

.mockup-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(85, 231, 255, 0.3) 0%, transparent 70%);
    filter: blur(80px);
    animation: pulse 4s ease-in-out infinite;
}

.mockup {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 9/16;
    background: linear-gradient(135deg, var(--dark-purple), var(--deep-purple));
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: 
        0 0 60px rgba(85, 231, 255, 0.3),
        0 20px 60px rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(85, 231, 255, 0.3);
}

.mockup-screen {
    width: 100%;
    height: 100%;
    background: var(--neo-background);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.music-wave {
    width: 80%;
    height: 100px;
    background: linear-gradient(90deg, 
        var(--neon-cyan) 0%, 
        var(--electric-blue) 25%,
        var(--neon-pink) 50%,
        var(--electric-blue) 75%,
        var(--neon-cyan) 100%);
    background-size: 200% 100%;
    animation: waveMove 3s linear infinite;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 30px rgba(85, 231, 255, 0.5);
}

/* ========== Features Section ========== */
.features {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 20px rgba(85, 231, 255, 0.3);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-light);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: linear-gradient(135deg, 
        rgba(32, 17, 72, 0.5), 
        rgba(32, 17, 162, 0.3));
    border: 1px solid rgba(85, 231, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-cyan);
    box-shadow: 
        0 0 40px rgba(85, 231, 255, 0.3),
        0 20px 40px rgba(0, 0, 0, 0.4);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--neon-cyan);
    filter: drop-shadow(0 0 10px rgba(85, 231, 255, 0.5));
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.feature-card p {
    color: var(--gray-light);
    line-height: 1.7;
}

/* ========== How It Works Section ========== */
.how-it-works {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, 
        transparent 0%, 
        rgba(32, 17, 72, 0.3) 50%,
        transparent 100%);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.step {
    position: relative;
    padding-left: 6rem;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    line-height: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--neon-cyan);
}

.step-content p {
    color: var(--gray-light);
    line-height: 1.7;
}

.cta-box {
    background: linear-gradient(135deg, 
        rgba(32, 17, 72, 0.8), 
        rgba(32, 17, 162, 0.6));
    border: 2px solid var(--neon-cyan);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    margin-top: var(--spacing-xl);
    box-shadow: 0 0 60px rgba(85, 231, 255, 0.2);
}

.cta-box h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 0 20px rgba(85, 231, 255, 0.3);
}

/* ========== Footer ========== */
.footer {
    background: rgba(8, 5, 20, 0.95);
    border-top: 1px solid rgba(85, 231, 255, 0.2);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand img {
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 0 10px rgba(85, 231, 255, 0.3));
}

.footer-brand p {
    color: var(--gray-light);
}

.footer-column h4 {
    color: var(--neon-cyan);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column ul li a {
    color: var(--gray-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--neon-cyan);
}

.footer-bottom {
    border-top: 1px solid rgba(85, 231, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: var(--gray-lighter);
    font-size: 0.9rem;
}

.footer-disclaimer {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    opacity: 0.6;
}

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

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

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.7;
    }
}

@keyframes waveMove {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}

/* ========== Responsive Design ========== */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-actions {
        gap: 0.5rem;
    }
    
    .language-toggle {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
    
    .btn-nav {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-actions {
        flex-direction: row;
        gap: 0.5rem;
    }
    
    .language-toggle {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .btn-nav {
        padding: 0.5rem 0.8rem;
        font-size: 0.85rem;
    }
}