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

:root {
    /* Colors */
    --color-primary: #0f172a;
    --color-white: #ffffff;
    --color-light-grey: #f8fafc;
    --color-soft-grey: #e2e8f0;
    --color-halo-mint: #c9ffea;
    --color-halo-purple: #e8ddff;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    
    /* Typography */
    --font-primary: 'M PLUS Rounded 1c', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    
    /* Effects */
    --border-radius: 16px;
    --border-radius-large: 24px;
    --border-width: 3px;
    --shadow-card: 0 8px 25px -5px rgba(15, 23, 42, 0.1);
    --shadow-hover: 0 20px 40px -10px rgba(15, 23, 42, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-text);
    background: radial-gradient(ellipse at center, var(--color-halo-mint) 0%, var(--color-light-grey) 35%, var(--color-white) 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Starfield Background */
.starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, var(--color-halo-purple), transparent),
        radial-gradient(2px 2px at 40px 70px, var(--color-halo-mint), transparent),
        radial-gradient(1px 1px at 90px 40px, var(--color-halo-purple), transparent),
        radial-gradient(1px 1px at 130px 80px, var(--color-halo-mint), transparent),
        radial-gradient(2px 2px at 160px 30px, var(--color-halo-purple), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: twinkle 8s ease-in-out infinite alternate;
}

@keyframes twinkle {
    0% { opacity: 0.2; }
    50% { opacity: 0.4; }
    100% { opacity: 0.3; }
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: var(--border-width) solid var(--color-primary);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    filter: drop-shadow(0 0 8px rgba(201, 255, 234, 0.6));
}

.nav-title {
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: var(--color-primary);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    font-family: var(--font-secondary);
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover,
.nav-links a:focus {
    color: var(--color-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-halo-mint);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a:focus::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--color-light-grey) url('./assets/banner.png') center/cover no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(201, 255, 234, 0.8) 50%, rgba(232, 221, 255, 0.9) 100%);
    z-index: 1;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: conic-gradient(from 0deg, var(--color-halo-mint), var(--color-halo-purple), var(--color-halo-mint));
    border-radius: 50%;
    opacity: 0.4;
    filter: blur(100px);
    animation: rotate-halo 20s linear infinite;
    z-index: 2;
}

@keyframes rotate-halo {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
}

.hero-card {
    background: var(--color-white);
    border: var(--border-width) solid var(--color-primary);
    border-radius: var(--border-radius-large);
    padding: 60px 40px;
    box-shadow: var(--shadow-card);
    max-width: 500px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}

.hero-logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: 30px;
    filter: drop-shadow(0 0 20px rgba(201, 255, 234, 0.8));
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 8px;
    margin-bottom: 15px;
    text-transform: uppercase;
    -webkit-text-stroke: 1px var(--color-primary);
    text-stroke: 1px var(--color-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.contract-address {
    background: rgba(201, 255, 234, 0.1);
    border: 2px solid var(--color-halo-mint);
    border-radius: 12px;
    padding: 20px;
    margin: 25px 0;
    text-align: center;
}

.contract-label {
    display: block;
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    margin-bottom: 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.contract-value {
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.85rem;
    color: var(--color-primary);
    background: var(--color-white);
    border: 1px solid var(--color-soft-grey);
    border-radius: 8px;
    padding: 10px 8px;
    margin-bottom: 12px;
    word-break: break-all;
    line-height: 1.4;
}

.copy-btn {
    background: var(--color-halo-mint);
    border: 2px solid var(--color-primary);
    border-radius: 20px;
    padding: 8px 16px;
    font-family: var(--font-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.copy-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

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

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    border: var(--border-width) solid var(--color-primary);
    text-decoration: none;
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-transform: uppercase;
}

.btn-solid {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-solid:hover,
.btn-solid:focus {
    background: var(--color-text);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--color-primary);
}

.btn-ghost:hover,
.btn-ghost:focus {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

/* Sections */
section {
    padding: var(--section-padding);
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 50px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* Lore Section */
.lore {
    background: var(--color-white);
}

.speech-bubble {
    max-width: 800px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(201, 255, 234, 0.1) 100%);
    border: var(--border-width) solid var(--color-primary);
    border-radius: var(--border-radius-large);
    padding: 50px;
    box-shadow: var(--shadow-card);
    position: relative;
}

.speech-bubble::before {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 80px;
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 20px solid var(--color-white);
}

.speech-bubble::after {
    content: '';
    position: absolute;
    bottom: -23px;
    left: 77px;
    width: 0;
    height: 0;
    border-left: 23px solid transparent;
    border-right: 23px solid transparent;
    border-top: 23px solid var(--color-primary);
    z-index: -1;
}

.speech-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 25px;
    color: var(--color-text);
}

.mantra {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    font-style: italic;
    color: var(--color-primary);
    text-align: center;
    margin: 40px 0 0;
    padding: 30px;
    border-left: 5px solid var(--color-halo-mint);
    background: rgba(201, 255, 234, 0.1);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    letter-spacing: 2px;
}

/* Art Section */
.art {
    background: var(--color-light-grey);
}

.art-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.art-card {
    background: var(--color-white);
    border: var(--border-width) solid var(--color-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.art-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.art-card-wide {
    grid-column: 1 / -1;
}

.art-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.art-card-wide .art-image {
    height: 300px;
}

.art-caption {
    padding: 20px;
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--color-primary);
    text-align: center;
    letter-spacing: 1px;
    text-transform: capitalize;
}

/* Links Section */
.links {
    background: var(--color-white);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto 40px;
}

.link-card {
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(232, 221, 255, 0.1) 100%);
    border: var(--border-width) solid var(--color-primary);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    position: relative;
    display: block;
}

.link-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(232, 221, 255, 0.2) 100%);
}

.link-card-clickable {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.link-card-clickable:hover {
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(201, 255, 234, 0.2) 100%);
}

.link-card-clickable:focus {
    outline: 3px solid var(--color-halo-mint);
    outline-offset: 2px;
}

.link-arrow {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
    color: var(--color-halo-mint);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.link-card-clickable:hover .link-arrow {
    opacity: 1;
    transform: translateX(0);
}

.contract-card {
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(201, 255, 234, 0.1) 100%);
    border-color: var(--color-halo-mint);
}

.contract-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.contract-code {
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.75rem;
    background: var(--color-white);
    border: 1px solid var(--color-soft-grey);
    border-radius: 6px;
    padding: 8px 10px;
    color: var(--color-primary);
    word-break: break-all;
    flex: 1;
    min-width: 0;
    max-width: 280px;
}

.copy-btn-small {
    background: var(--color-halo-mint);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.copy-btn-small:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.link-card h3 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.link-card p {
    color: var(--color-text-light);
    font-size: 1rem;
    line-height: 1.6;
}

.links-note {
    text-align: center;
    font-style: italic;
    color: var(--color-text-light);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Footer */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 40px 0;
    text-align: center;
}

.footer p {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    letter-spacing: 1px;
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 720px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .nav {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .hero-title {
        font-size: 2.2rem;
        letter-spacing: 4px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-card {
        padding: 40px 25px;
        margin: 0 15px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .section-title {
        font-size: 2rem;
        letter-spacing: 2px;
    }
    
    .speech-bubble {
        padding: 30px 25px;
        margin: 0 15px;
    }
    
    .speech-bubble::before {
        left: 40px;
    }
    
    .speech-bubble::after {
        left: 37px;
    }
    
    .art-grid,
    .links-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .art-card-wide {
        grid-column: 1;
    }
    
    .mantra {
        font-size: 1.2rem;
        padding: 20px;
    }
    
    .contract-address {
        padding: 15px;
        margin: 20px 0;
    }
    
    .contract-value {
        font-size: 0.75rem;
        padding: 8px 6px;
    }
    
    .copy-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .contract-display {
        flex-direction: column;
        gap: 8px;
    }
    
    .contract-code {
        font-size: 0.7rem;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-logo {
        width: 80px;
        height: 80px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        letter-spacing: 2px;
    }
    
    .nav-title {
        font-size: 1.2rem;
        letter-spacing: 1px;
    }
    
    .speech-content p {
        font-size: 1.1rem;
    }
}

/* Focus and Accessibility */
*:focus {
    outline: 3px solid var(--color-halo-mint);
    outline-offset: 2px;
}

.btn:focus {
    outline-color: var(--color-halo-purple);
}

/* Smooth scroll padding for sticky header */
html {
    scroll-padding-top: 80px;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .starfield,
    .hero-glow {
        animation: none;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    * {
        transition: none !important;
    }
}