/* ===================================
   EspressoX Landing Page Styles
   Swiss-Inspired Professional Design
   =================================== */

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

:root {
    /* Orange/Purple Gradient Theme - Material Design 3 */
    --primary-orange: #f97316;
    --primary-orange-light: #fb923c;
    --accent-purple: #a78bfa;
    --accent-purple-light: #c084fc;
    --dark-bg: #0F0F0F;
    --darker-bg: #000000;
    --card-bg: #1A1A1A;
    --border-color: #2A2A2A;
    --text-primary: #FFFFFF;
    --text-secondary: #E5E5E5;
    --text-muted: #A3A3A3;
    
    /* Gradients - Orange/Purple Theme */
    --gradient-primary: linear-gradient(135deg, #f97316 0%, #fb923c 50%, #a78bfa 100%);
    --gradient-accent: linear-gradient(135deg, #fb923c 0%, #a78bfa 100%);
    --gradient-card: linear-gradient(135deg, rgba(249, 115, 22, 0.08) 0%, rgba(167, 139, 250, 0.08) 100%);
    
    /* Spacing - Material Design 3 (8px base) */
    --spacing-xs: 0.5rem;      /* 8px */
    --spacing-sm: 1rem;        /* 16px */
    --spacing-md: 1.5rem;      /* 24px */
    --spacing-lg: 2rem;        /* 32px */
    --spacing-xl: 3rem;        /* 48px */
    --spacing-2xl: 4rem;       /* 64px */
    --spacing-3xl: 6rem;       /* 96px */
    
    /* Typography - Material Design 3 Scale */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Display */
    --font-size-display-lg: 3.5rem;    /* 56px - Display Large */
    --font-size-display-md: 2.8125rem; /* 45px - Display Medium */
    --font-size-display-sm: 2.25rem;   /* 36px - Display Small */
    
    /* Headline */
    --font-size-headline-lg: 2rem;     /* 32px - Headline Large */
    --font-size-headline-md: 1.75rem;  /* 28px - Headline Medium */
    --font-size-headline-sm: 1.5rem;   /* 24px - Headline Small */
    
    /* Title */
    --font-size-title-lg: 1.375rem;    /* 22px - Title Large */
    --font-size-title-md: 1rem;        /* 16px - Title Medium */
    --font-size-title-sm: 0.875rem;    /* 14px - Title Small */
    
    /* Body & Label */
    --font-size-body-lg: 1rem;         /* 16px - Body Large */
    --font-size-body-md: 0.875rem;     /* 14px - Body Medium */
    --font-size-body-sm: 0.75rem;      /* 12px - Body Small */
    --font-size-label-lg: 0.875rem;    /* 14px - Label Large */
    --font-size-label-md: 0.75rem;     /* 12px - Label Medium */
    --font-size-label-sm: 0.6875rem;   /* 11px - Label Small */
    
    /* Line Heights - M3 */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Border Radius - M3 Shape Scale */
    --radius-none: 0;
    --radius-xs: 0.25rem;      /* 4px - Extra Small */
    --radius-sm: 0.5rem;       /* 8px - Small */
    --radius-md: 0.75rem;      /* 12px - Medium */
    --radius-lg: 1rem;         /* 16px - Large */
    --radius-xl: 1.75rem;      /* 28px - Extra Large */
    --radius-full: 9999px;     /* Full Round */
    
    /* Elevation - M3 Shadows */
    --elevation-0: none;
    --elevation-1: 0 1px 2px 0 rgba(0, 0, 0, 0.3), 0 1px 3px 1px rgba(0, 0, 0, 0.15);
    --elevation-2: 0 1px 2px 0 rgba(0, 0, 0, 0.3), 0 2px 6px 2px rgba(0, 0, 0, 0.15);
    --elevation-3: 0 4px 8px 3px rgba(0, 0, 0, 0.15), 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --elevation-4: 0 6px 10px 4px rgba(0, 0, 0, 0.15), 0 2px 3px 0 rgba(0, 0, 0, 0.3);
    --elevation-5: 0 8px 12px 6px rgba(0, 0, 0, 0.15), 0 4px 4px 0 rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(249, 115, 22, 0.4);
    
    /* State Layers - M3 */
    --state-hover: rgba(255, 255, 255, 0.08);
    --state-focus: rgba(255, 255, 255, 0.12);
    --state-pressed: rgba(255, 255, 255, 0.12);
    --state-dragged: rgba(255, 255, 255, 0.16);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--darker-bg);
    color: var(--text-primary);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-body-lg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    text-decoration: none;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color 0.2s;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--elevation-2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--elevation-4), var(--shadow-glow);
    background: var(--gradient-accent);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--elevation-1);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--dark-bg);
    border-color: var(--primary-orange);
}

.btn-white {
    background: white;
    color: var(--primary-orange);
    box-shadow: var(--elevation-1);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--elevation-4);
    background: #FAFAFA;
}

.btn-white:active {
    transform: translateY(0);
    box-shadow: var(--elevation-1);
}

.btn-large {
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
}

/* Hero Section */
.hero {
    position: relative;
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    text-align: center;
    z-index: 1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    margin-bottom: var(--spacing-lg);
}

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-card);
    border: 1px solid rgba(249, 115, 22, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-label-lg);
    font-weight: 600;
    color: var(--primary-orange-light);
    letter-spacing: 0.01em;
}

.hero-title {
    font-size: var(--font-size-display-lg);
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    font-weight: 700;
}

.hero-description {
    font-size: var(--font-size-title-lg);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 600px;
    margin: 0 auto;
}

.stat {
    padding: var(--spacing-lg);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.stat-value {
    font-size: var(--font-size-display-sm);
    font-weight: 700;
    line-height: var(--line-height-tight);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--font-size-body-md);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    line-height: var(--line-height-normal);
}

/* Section Styles */
section {
    position: relative;
    padding: var(--spacing-3xl) 0;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-display-md);
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-description {
    font-size: var(--font-size-title-lg);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

/* Features Section */
.features {
    position: relative;
    background: var(--dark-bg);
    z-index: 2;
}

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

.feature-card {
    padding: var(--spacing-xl);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-orange);
    box-shadow: var(--elevation-4);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(249, 115, 22, 0.05) 100%);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border: 1px solid rgba(249, 115, 22, 0.3);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    color: var(--primary-orange-light);
}

.feature-title {
    font-size: var(--font-size-title-lg);
    font-weight: 600;
    line-height: var(--line-height-normal);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: var(--font-size-body-lg);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

/* Tokens Section */
.tokens-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.token-card {
    padding: var(--spacing-xl);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all 0.3s;
}

.token-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.token-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-md);
}

.token-symbol {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: white;
}

.token-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.token-tagline {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.token-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.token-meta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.token-chain {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gradient-card);
    border: 1px solid rgba(249, 115, 22, 0.3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-label-md);
    font-weight: 600;
    color: var(--primary-orange-light);
    letter-spacing: 0.01em;
}

.token-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: #22C55E;
}

.token-status.coming-soon {
    background: rgba(251, 191, 36, 0.1);
    border-color: rgba(251, 191, 36, 0.3);
    color: #FBBF24;
}

/* How It Works Section */
.how-it-works {
    background: var(--dark-bg);
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.step {
    flex: 1;
    max-width: 300px;
    padding: var(--spacing-xl);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    text-align: center;
}

.step-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-arrow {
    font-size: var(--font-size-display-sm);
    color: var(--primary-orange);
    font-weight: 300;
}

.cta-center {
    text-align: center;
}

/* Security Section */
.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.security-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.security-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.security-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.security-features svg {
    color: var(--accent-purple);
    flex-shrink: 0;
}

.security-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.security-shield {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: white;
}

.cta-description {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

/* Footer */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-tagline {
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 0.2s;
}

.footer-column a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-legal a:hover {
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .steps {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .security-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .tokens-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}