/* ============================================
   ZendenTCG - Hero Page Styles
   A bold, energetic design inspired by TCG aesthetics
   ============================================ */

/* CSS Variables */
:root {
    /* Primary palette - Electric energy colors */
    --gold: #FFD700;
    --amber: #FFA500;
    --flame: #FF6B35;
    --crimson: #DC143C;
    
    /* Secondary palette - Deep space */
    --void: #0a0a0f;
    --deep: #12121a;
    --surface: #1a1a2e;
    --elevated: #252540;
    
    /* Accent colors */
    --electric-blue: #00D4FF;
    --plasma-purple: #9D4EDD;
    --neon-green: #39FF14;
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);
    
    /* Gradients */
    --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--amber) 50%, var(--flame) 100%);
    --gradient-energy: linear-gradient(135deg, var(--electric-blue) 0%, var(--plasma-purple) 100%);
    --gradient-bg: radial-gradient(ellipse at 50% 0%, rgba(255, 215, 0, 0.15) 0%, transparent 50%),
                   radial-gradient(ellipse at 80% 80%, rgba(157, 78, 221, 0.1) 0%, transparent 40%),
                   radial-gradient(ellipse at 20% 90%, rgba(0, 212, 255, 0.08) 0%, transparent 40%),
                   var(--void);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 8rem;
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    
    /* Effects */
    --glow-gold: 0 0 20px rgba(255, 215, 0, 0.5), 0 0 40px rgba(255, 165, 0, 0.3);
    --glow-blue: 0 0 20px rgba(0, 212, 255, 0.5), 0 0 40px rgba(0, 212, 255, 0.3);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--gradient-bg);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

/* Particle Background */
.particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--gold);
    border-radius: 50%;
    opacity: 0;
    animation: particle-float 8s infinite ease-in-out;
    box-shadow: 0 0 6px var(--gold);
}

@keyframes particle-float {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(-100px) scale(1);
    }
}

/* Holographic Overlay */
.holo-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(255, 255, 255, 0.01) 2px,
            rgba(255, 255, 255, 0.01) 4px
        );
    pointer-events: none;
    z-index: 1;
}

/* Hero Section */
.hero {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.hero-content {
    max-width: 1000px;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
}

/* Brand Section */
.brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.logo-wrapper {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon {
    width: 80px;
    height: 80px;
    animation: logo-pulse 3s ease-in-out infinite;
}

@keyframes logo-pulse {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 25px rgba(255, 215, 0, 0.8));
    }
}

/* Energy Rings */
.energy-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid transparent;
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: ring-spin 3s linear infinite;
}

.energy-ring.delay-1 {
    width: 140%;
    height: 140%;
    border-top-color: var(--amber);
    animation-duration: 4s;
    animation-direction: reverse;
    opacity: 0.6;
}

.energy-ring.delay-2 {
    width: 180%;
    height: 180%;
    border-top-color: var(--flame);
    animation-duration: 5s;
    opacity: 0.3;
}

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

/* Brand Name */
.brand-name {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 10vw, 6rem);
    font-weight: 900;
    letter-spacing: 0.05em;
    display: flex;
    align-items: baseline;
    flex-wrap: nowrap;
    gap: 0.05em;
}

.letter {
    display: inline-block;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: letter-appear 0.6s ease-out forwards;
    animation-delay: calc(var(--i) * 0.1s);
    opacity: 0;
    transform: translateY(30px);
    text-shadow: var(--glow-gold);
}

@keyframes letter-appear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spacer {
    display: inline-block;
    width: 0.3em;
}

.tcg {
    font-size: 0.35em;
    color: var(--electric-blue);
    margin-left: 0.2em;
    letter-spacing: 0.2em;
    animation: letter-appear 0.6s ease-out forwards;
    animation-delay: 0.8s;
    opacity: 0;
    transform: translateY(30px);
    text-shadow: var(--glow-blue);
}

/* Tagline */
.tagline {
    font-family: var(--font-body);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5em;
}

.tagline-word {
    opacity: 0;
    animation: fade-in-up 0.6s ease-out forwards;
    animation-delay: var(--delay);
}

.tagline-word.highlight {
    color: var(--gold);
    font-weight: 600;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 50px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    animation: fade-in-up 0.6s ease-out forwards;
    animation-delay: 1.2s;
    opacity: 0;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 10px var(--neon-green);
}

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

/* Feature Cards */
.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    width: 100%;
    max-width: 900px;
}

.feature-card {
    position: relative;
    padding: var(--space-lg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    text-align: center;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: card-appear 0.8s ease-out forwards;
    animation-delay: var(--card-delay);
    opacity: 0;
    transform: translateY(40px);
}

@keyframes card-appear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 215, 0, 0.4);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(255, 215, 0, 0.15) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.feature-card:hover .card-glow {
    opacity: 1;
}

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-md);
    padding: var(--space-md);
    background: var(--gradient-gold);
    border-radius: 12px;
    color: var(--void);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

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

/* Signup Section */
.signup-section {
    width: 100%;
    max-width: 500px;
    animation: fade-in-up 0.8s ease-out forwards;
    animation-delay: 1.9s;
    opacity: 0;
}

.signup-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.signup-form {
    width: 100%;
}

.input-wrapper {
    display: flex;
    gap: 0;
    background: var(--surface);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.input-wrapper:focus-within {
    border-color: var(--gold);
}

.input-wrapper input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
}

.input-wrapper button {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--gradient-gold);
    border: none;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--void);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.input-wrapper button:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
}

.input-wrapper button svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.input-wrapper button:hover svg {
    transform: translateX(4px);
}

.signup-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--space-md);
    animation: fade-in-up 0.8s ease-out forwards;
    animation-delay: 2.1s;
    opacity: 0;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-4px);
}

.social-link svg {
    width: 22px;
    height: 22px;
}

/* Floating Cards Decoration */
.floating-cards {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
    overflow: hidden;
}

.floating-card {
    position: absolute;
    width: 120px;
    height: 168px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 107, 53, 0.1) 100%);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 8px;
    opacity: 0.4;
}

.card-1 {
    top: 10%;
    left: 5%;
    animation: float-1 15s ease-in-out infinite;
    transform: rotate(-15deg);
}

.card-2 {
    top: 60%;
    right: 8%;
    animation: float-2 18s ease-in-out infinite;
    transform: rotate(20deg);
}

.card-3 {
    bottom: 15%;
    left: 10%;
    animation: float-3 20s ease-in-out infinite;
    transform: rotate(-8deg);
    width: 80px;
    height: 112px;
}

@keyframes float-1 {
    0%, 100% {
        transform: rotate(-15deg) translateY(0) translateX(0);
    }
    25% {
        transform: rotate(-10deg) translateY(-20px) translateX(10px);
    }
    50% {
        transform: rotate(-20deg) translateY(-10px) translateX(-5px);
    }
    75% {
        transform: rotate(-12deg) translateY(-30px) translateX(15px);
    }
}

@keyframes float-2 {
    0%, 100% {
        transform: rotate(20deg) translateY(0) translateX(0);
    }
    33% {
        transform: rotate(15deg) translateY(-25px) translateX(-10px);
    }
    66% {
        transform: rotate(25deg) translateY(-15px) translateX(10px);
    }
}

@keyframes float-3 {
    0%, 100% {
        transform: rotate(-8deg) translateY(0);
    }
    50% {
        transform: rotate(-12deg) translateY(-20px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: var(--space-md);
    }
    
    .hero-content {
        gap: var(--space-lg);
    }
    
    .logo-wrapper {
        width: 100px;
        height: 100px;
    }
    
    .logo-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-cards {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .feature-card {
        padding: var(--space-md);
    }
    
    .input-wrapper {
        flex-direction: column;
        border-radius: 16px;
    }
    
    .input-wrapper input {
        text-align: center;
        padding: var(--space-md);
    }
    
    .input-wrapper button {
        justify-content: center;
        border-radius: 0 0 14px 14px;
    }
    
    .floating-card {
        display: none;
    }
    
    .tagline {
        font-size: 1rem;
        letter-spacing: 0.1em;
    }
}

@media (max-width: 480px) {
    .brand-name {
        letter-spacing: 0.02em;
    }
    
    .spacer {
        width: 0.2em;
    }
    
    .tcg {
        font-size: 0.4em;
        margin-left: 0.15em;
        letter-spacing: 0.1em;
    }
    
    .status-badge {
        font-size: 0.75rem;
        padding: var(--space-xs) var(--space-md);
    }
}

/* Selection styling */
::selection {
    background: rgba(255, 215, 0, 0.3);
    color: var(--text-primary);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--void);
}

::-webkit-scrollbar-thumb {
    background: var(--elevated);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
}