/* ========================================
   ARCANUM NEXUS - Mystical Theme
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    /* Core Colors */
    --bg-deep: #050508;
    --bg-card: rgba(20, 18, 28, 0.7);
    --text-primary: #f0eef5;
    --text-secondary: rgba(224, 220, 235, 0.7);
    
    /* Accent Colors */
    --accent-purple: #9d4edd;
    --accent-purple-light: #c77dff;
    --accent-purple-dark: #7b2cbf;
    --accent-teal: #4ecdc4;
    --accent-gold: #ffd700;
    
    /* Glows */
    --glow-purple: rgba(157, 78, 221, 0.4);
    --glow-purple-strong: rgba(157, 78, 221, 0.6);
    --glow-teal: rgba(78, 205, 196, 0.3);
    
    /* Glass Effects */
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.05);
    
    /* Typography */
    --font-mystical: 'Cinzel', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
}

/* ========================================
   BASE & RESET
   ======================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ========================================
   ANIMATED STARFIELD BACKGROUND
   ======================================== */

.starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.starfield::before,
.starfield::after,
.starfield .stars-layer {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background-image: 
        radial-gradient(1px 1px at 20px 30px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 40px 70px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 50px 160px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1.5px 1.5px at 160px 120px, rgba(255,255,255,0.9), transparent),
        radial-gradient(1px 1px at 200px 60px, rgba(157,78,221,0.8), transparent),
        radial-gradient(1px 1px at 240px 150px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 280px 90px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1.5px 1.5px at 320px 180px, rgba(255,255,255,0.6), transparent);
    background-size: 350px 350px;
    animation: starfieldMove 120s linear infinite;
}

.starfield::after {
    background-size: 250px 250px;
    animation: starfieldMove 80s linear infinite reverse;
    opacity: 0.7;
}

.starfield .stars-layer {
    background-size: 450px 450px;
    animation: starfieldMove 200s linear infinite;
    opacity: 0.5;
}

@keyframes starfieldMove {
    from { transform: translate(0, 0); }
    to { transform: translate(-350px, -350px); }
}

/* Cosmic gradient overlay */
.cosmic-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(123, 44, 191, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(78, 205, 196, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(157, 78, 221, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4 {
    font-family: var(--font-mystical);
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.2;
}

h2 {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

p {
    color: var(--text-secondary);
    font-weight: 300;
}

/* ========================================
   LAYOUT
   ======================================== */

.page-content {
    position: relative;
    z-index: 10;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: var(--section-padding);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 60px 20px;
}

.hero-content {
    max-width: 800px;
}

.hero-logo {
    font-family: var(--font-mystical);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 600;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, var(--accent-purple) 50%, var(--accent-purple-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 80px var(--glow-purple);
    animation: logoGlow 4s ease-in-out infinite alternate;
}

@keyframes logoGlow {
    from { filter: drop-shadow(0 0 20px var(--glow-purple)); }
    to { filter: drop-shadow(0 0 40px var(--glow-purple-strong)); }
}

.hero-tagline {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-style: italic;
    letter-spacing: 0.1em;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--accent-purple-dark) 0%, var(--accent-purple) 100%);
    color: white;
    padding: 18px 40px;
    border-radius: 50px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    box-shadow: 
        0 4px 20px var(--glow-purple),
        0 0 60px rgba(157, 78, 221, 0.2);
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 8px 30px var(--glow-purple-strong),
        0 0 80px rgba(157, 78, 221, 0.3);
    color: white;
}

.cta-button svg {
    width: 24px;
    height: 24px;
}

/* ========================================
   FEATURES SECTION
   ======================================== */

.features {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    background: linear-gradient(90deg, var(--text-primary), var(--accent-purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* Glass Card */
.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 35px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(157, 78, 221, 0.3);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(157, 78, 221, 0.15);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-family: var(--font-mystical);
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Special styling for full-width feature */
.feature-card.featured {
    grid-column: span 3;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
    align-items: center;
    text-align: left;
}

.feature-card.featured .feature-icon {
    font-size: 4rem;
    margin-bottom: 0;
}

/* ========================================
   SCREENSHOTS GALLERY
   ======================================== */

.screenshots {
    padding: var(--section-padding);
    overflow: hidden;
}

.screenshots-wrapper {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 50px;
}

.screenshot-item {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 0 1px var(--glass-border);
    transition: all 0.4s ease;
    max-width: 280px;
}

.screenshot-item:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: 
        0 35px 70px rgba(0, 0, 0, 0.6),
        0 0 80px var(--glow-purple);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
}

.screenshot-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 70%, rgba(5, 5, 8, 0.8) 100%);
    pointer-events: none;
}

/* ========================================
   FINAL CTA SECTION
   ======================================== */

.final-cta {
    padding: 120px 0;
    text-align: center;
    position: relative;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-purple), transparent);
}

.final-cta h2 {
    margin-bottom: 20px;
}

.final-cta p {
    font-size: 1.2rem;
    margin-bottom: 40px;
}

/* ========================================
   FOOTER
   ======================================== */

footer {
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-purple-light);
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.85rem;
    opacity: 0.6;
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-card.featured {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card.featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .screenshots-wrapper {
        flex-direction: column;
        align-items: center;
    }
    
    .screenshot-item {
        max-width: 320px;
    }
}

/* ========================================
   LEGAL PAGES
   ======================================== */

.legal-page {
    padding: 120px 0 60px;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--glass-border);
}

.legal-content p,
.legal-content li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.legal-content ul {
    padding-left: 25px;
}