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

:root {
    --bg-primary: #0a0e14;
    --bg-secondary: #151922;
    --bg-tertiary: #1a1f2b;
    --text-primary: #c5cdd8;
    --text-secondary: #8892a0;
    --text-accent: #a0aab8;
    --border-color: rgba(255, 255, 255, 0.05);
    --accent-cold: #7a8a9e;
    --accent-blue: #5d7a94;
    --accent-gray: #6b7785;
    --success: #5a8070;
    --warning: #8a7a5a;
}

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

/* Page Management */
.page {
    display: none;
    min-height: 100vh;
}

.page.active {
    display: block;
}

/* Landing Page Sections */
.intro-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    background: var(--bg-primary);
    transition: background 0.6s ease;
}

.intro-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(122, 138, 158, 0.02) 0%, 
        rgba(93, 122, 148, 0.03) 50%,
        rgba(107, 119, 133, 0.02) 100%);
    pointer-events: none;
}

.intro-section[data-section="2"] {
    background: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

.intro-section[data-section="3"] {
    background: linear-gradient(to bottom, var(--bg-secondary), var(--bg-tertiary));
}

.intro-section[data-section="4"] {
    background: linear-gradient(to bottom, var(--bg-tertiary), var(--bg-secondary));
}

.intro-section[data-section="5"] {
    background: linear-gradient(to bottom, var(--bg-secondary), var(--bg-primary));
}

.slide-content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
    z-index: 1;
}

.slide-left,
.slide-right {
    opacity: 0;
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-left {
    transform: translateX(-100px);
}

.slide-right {
    transform: translateX(100px);
}

.intro-section.visible .slide-left {
    opacity: 1;
    transform: translateX(0);
}

.intro-section.visible .slide-right {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.3s;
}

.intro-section h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 200;
    letter-spacing: 0.3em;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-transform: uppercase;
}

.intro-section h2 {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 200;
    letter-spacing: 0.2em;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.intro-section[data-section="2"] h2 {
    color: var(--accent-cold);
}

.intro-section[data-section="3"] h2 {
    color: var(--accent-blue);
}

.intro-section[data-section="4"] h2 {
    color: var(--accent-gray);
}

.intro-section p {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

/* Login Section */
.login-container {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.status-icon {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-secondary);
    animation: pulse 2s infinite;
}

.status-indicator.checking .status-icon {
    background: var(--warning);
}

.status-indicator.success .status-icon {
    background: var(--success);
    animation: none;
}

.status-indicator.error .status-icon {
    background: #8a5a5a;
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.status-text {
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.connect-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 3rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    color: var(--text-primary);
    font-size: 1rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    text-transform: uppercase;
    font-weight: 300;
}

.connect-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.connect-btn:active:not(:disabled) {
    transform: translateY(0);
}

.connect-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-icon {
    font-size: 1.5rem;
}

.login-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

/* Dashboard */
.dashboard-container {
    min-height: 100vh;
    padding: 2rem;
    opacity: 0;
    animation: fadeIn 1.5s ease forwards;
}

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

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 3rem;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 200;
    letter-spacing: 0.3em;
    color: var(--text-primary);
}

.wallet-address {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
    font-family: 'Courier New', monospace;
}

.disconnect-btn {
    padding: 0.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.disconnect-btn:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-card {
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    backdrop-filter: blur(10px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.1), 
        transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.dashboard-card:hover::before {
    opacity: 1;
}

.dashboard-card.clickable {
    cursor: pointer;
}

.dashboard-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    opacity: 0.7;
}

.dashboard-card h3 {
    font-size: 1.3rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.dashboard-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    letter-spacing: 0.02em;
}

.status-badge {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.5rem 1rem;
    background: rgba(138, 122, 90, 0.2);
    border: 1px solid rgba(138, 122, 90, 0.3);
    border-radius: 2px;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--warning);
    text-transform: uppercase;
}

.link-arrow {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    font-size: 2rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.dashboard-card:hover .link-arrow {
    transform: translateX(5px);
    color: var(--text-primary);
}

.dashboard-footer {
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.dashboard-footer p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

/* Responsive Design */
@media (max-width: 768px) {
    .intro-section h1 {
        font-size: 2rem;
        letter-spacing: 0.2em;
    }
    
    .intro-section h2 {
        font-size: 1.5rem;
        letter-spacing: 0.15em;
    }
    
    .intro-section p {
        font-size: 1rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .connect-btn {
        padding: 1rem 2rem;
        font-size: 0.9rem;
    }
    
    .dashboard-card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .intro-section {
        padding: 1rem;
    }
    
    .intro-section h1 {
        font-size: 1.5rem;
        letter-spacing: 0.15em;
    }
    
    .intro-section h2 {
        font-size: 1.2rem;
    }
    
    .dashboard-container {
        padding: 1rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.loading {
    animation: shimmer 2s infinite;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0.02) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0.02) 100%
    );
    background-size: 1000px 100%;
}