/* ============================================
   DARTS MIND - Precision Esports Design System
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    /* Background System (Layered Depth) */
    --void: #07070D;
    --deep: #0D0D16;
    --surface: #14141F;
    --elevated: #1A1A28;
    --overlay: rgba(255, 255, 255, 0.03);

    /* Accent Colors */
    --neon-green: #39FF14;
    --neon-green-dim: rgba(57, 255, 20, 0.15);
    --neon-red: #FF3366;
    --neon-red-dim: rgba(255, 51, 102, 0.15);
    --electric-blue: #00D4FF;
    --electric-blue-dim: rgba(0, 212, 255, 0.15);
    --gold: #FFD700;
    --gold-dim: rgba(255, 215, 0, 0.15);
    --gold-gradient: linear-gradient(135deg, #FFD700 0%, #FF8C00 50%, #FF6B35 100%);

    /* Dartboard Traditional */
    --board-red: #E4002B;
    --board-green: #00843D;
    --board-cream: #F5E6C8;
    --wire-silver: #C0C0C0;

    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --text-dim: rgba(255, 255, 255, 0.3);

    /* Gradients */
    --precision-gradient: linear-gradient(135deg, var(--board-green) 0%, var(--neon-green) 100%);
    --danger-gradient: linear-gradient(135deg, var(--board-red) 0%, var(--neon-red) 100%);
    --glass-gradient: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0) 100%);
    --radial-glow: radial-gradient(circle at center, var(--neon-green-dim) 0%, transparent 70%);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.6);
    --shadow-glow-green: 0 0 30px var(--neon-green-dim);
    --shadow-glow-gold: 0 0 30px var(--gold-dim);
    --shadow-glow-blue: 0 0 30px var(--electric-blue-dim);

    /* Typography */
    --font-display: 'Chakra Petch', sans-serif;
    --font-body: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-body);
    background-color: var(--deep);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video, svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    text-transform: uppercase;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
}

p {
    color: var(--text-secondary);
    font-weight: 400;
}

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

.text-gold {
    color: var(--gold);
}

.text-neon {
    color: var(--neon-green);
    text-shadow: 0 0 20px var(--neon-green-dim);
}

.font-mono {
    font-family: var(--font-mono);
}

/* ============================================
   Layout
   ============================================ */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-2xl);
    }
}

section {
    padding: var(--space-5xl) 0;
    position: relative;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(13, 13, 22, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(7, 7, 13, 0.95);
    box-shadow: var(--shadow-lg);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.nav-links {
    display: none;
    gap: var(--space-xl);
}

@media (min-width: 1024px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-green);
    transition: var(--transition-base);
}

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

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

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: var(--surface);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
}

.lang-toggle button {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.lang-toggle button.active {
    background: var(--neon-green);
    color: var(--void);
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-gradient);
    opacity: 0;
    transition: var(--transition-base);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--neon-green);
    color: var(--void);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-green);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-dim);
}

.btn-secondary:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
}

.btn-gold {
    background: var(--gold-gradient);
    color: var(--void);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-gold);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1rem;
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-lg);
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-gradient);
    opacity: 0;
    transition: var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(57, 255, 20, 0.3);
    box-shadow: var(--shadow-lg);
}

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

.card-angular {
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.card-glass {
    background: rgba(20, 20, 31, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.card-featured {
    border-color: var(--neon-green);
    box-shadow: var(--shadow-glow-green);
}

.card-premium {
    border-color: rgba(255, 215, 0, 0.3);
    background: linear-gradient(135deg, var(--surface) 0%, rgba(255, 215, 0, 0.05) 100%);
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-4xl);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--neon-green-dim);
    color: var(--neon-green);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    font-size: 1.125rem;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--neon-green-dim) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, var(--neon-red-dim) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

@media (min-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-content {
    text-align: center;
}

@media (min-width: 1024px) {
    .hero-content {
        text-align: left;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    margin-bottom: var(--space-xl);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

.hero h1 {
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    margin-bottom: var(--space-2xl);
    max-width: 540px;
}

@media (min-width: 1024px) {
    .hero-subtitle {
        margin-left: 0;
        margin-right: auto;
    }
}

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

@media (min-width: 1024px) {
    .hero-buttons {
        justify-content: flex-start;
    }
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.hero-stat {
    text-align: center;
    padding: var(--space-md);
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.hero-stat-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon-green);
    display: block;
}

.hero-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image-container {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.hero-image-glow {
    position: absolute;
    inset: -20%;
    background: var(--radial-glow);
    pointer-events: none;
    animation: pulse 4s ease-in-out infinite;
    z-index: 0;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    position: relative;
    z-index: 1;
    animation: float 6s ease-in-out infinite;
    box-shadow: var(--shadow-xl);
}

/* Floating Score Display */
.score-display {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface);
    border: 1px solid var(--neon-green);
    border-radius: var(--radius-xl);
    padding: var(--space-md) var(--space-2xl);
    text-align: center;
    box-shadow: var(--shadow-glow-green);
    z-index: 10;
}

.score-label {
    font-size: 0.625rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.score-value {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neon-green);
    text-shadow: 0 0 20px var(--neon-green-dim);
}

/* ============================================
   Mental Training Section
   ============================================ */
.mental-training {
    background: linear-gradient(180deg, var(--deep) 0%, var(--void) 100%);
}

.modes-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-4xl);
}

@media (min-width: 768px) {
    .modes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.mode-card {
    padding: var(--space-2xl);
    position: relative;
}

.mode-card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--neon-green-dim);
    border-radius: var(--radius-lg);
    font-size: 2rem;
    margin-bottom: var(--space-lg);
}

.mode-card-featured .mode-card-icon {
    background: var(--gold-dim);
}

.mode-badge {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-xs) var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
}

.mode-badge-free {
    background: var(--neon-green-dim);
    color: var(--neon-green);
}

.mode-badge-premium {
    background: var(--gold-dim);
    color: var(--gold);
}

.mode-card h3 {
    margin-bottom: var(--space-sm);
}

.mode-card p {
    margin-bottom: var(--space-lg);
}

.mode-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mode-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.mode-feature::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--neon-green);
    border-radius: var(--radius-full);
}

/* Difficulty Ladder */
.difficulty-section {
    margin-top: var(--space-4xl);
}

.difficulty-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.difficulty-header h3 {
    margin-bottom: var(--space-sm);
}

.difficulty-ladder {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .difficulty-ladder {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .difficulty-ladder {
        grid-template-columns: repeat(6, 1fr);
    }
}

.difficulty-step {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.difficulty-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--difficulty-color, var(--neon-green));
}

.difficulty-step:hover {
    transform: translateY(-4px);
    border-color: var(--difficulty-color, var(--neon-green));
    box-shadow: 0 0 20px color-mix(in srgb, var(--difficulty-color, var(--neon-green)) 20%, transparent);
}

.difficulty-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.difficulty-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--space-xs);
    color: var(--difficulty-color, var(--text-primary));
}

.difficulty-time {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.difficulty-multiplier {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--difficulty-color, var(--neon-green));
    margin-top: var(--space-xs);
}

/* ============================================
   Real Matches Section
   ============================================ */
.real-matches {
    background: var(--void);
    position: relative;
}

.real-matches::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-green-dim), transparent);
}

.matches-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .matches-content {
        grid-template-columns: 1fr 1fr;
    }
}

.matches-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.match-feature {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.match-feature:hover {
    border-color: var(--electric-blue);
    box-shadow: var(--shadow-glow-blue);
}

.match-feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--electric-blue-dim);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.match-feature h4 {
    margin-bottom: var(--space-xs);
    font-size: 1rem;
}

.match-feature p {
    font-size: 0.875rem;
}

/* Matches Visual */
.matches-visual {
    position: relative;
    max-width: 450px;
    margin: 0 auto;
}

.matches-image-container {
    position: relative;
}

.matches-image-glow {
    position: absolute;
    inset: -15%;
    background: radial-gradient(circle at center, var(--electric-blue-dim) 0%, transparent 70%);
    pointer-events: none;
    animation: pulse 4s ease-in-out infinite;
    z-index: 0;
}

.matches-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   Mastery Section
   ============================================ */
.mastery-section {
    background: linear-gradient(180deg, var(--void) 0%, var(--deep) 100%);
}

.mastery-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4xl);
}

@media (min-width: 1024px) {
    .mastery-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* Radar Chart */
.mastery-radar {
    position: relative;
    max-width: 400px;
    aspect-ratio: 1;
    margin: 0 auto;
}

.radar-bg {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.radar-bg::before,
.radar-bg::after {
    content: '';
    position: absolute;
    inset: 20%;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.radar-bg::after {
    inset: 40%;
}

.radar-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20%;
    height: 20%;
    border-radius: 50%;
    background: var(--neon-green-dim);
    border: 2px solid var(--neon-green);
}

.radar-point {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--neon-green);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px var(--neon-green);
}

.radar-label {
    position: absolute;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* Mastery Details */
.mastery-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.mastery-level {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.mastery-level-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.mastery-level-name {
    font-family: var(--font-display);
    font-weight: 600;
}

.mastery-level-percent {
    font-family: var(--font-mono);
    color: var(--neon-green);
}

.mastery-bar {
    height: 8px;
    background: var(--void);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.mastery-bar-fill {
    height: 100%;
    background: var(--precision-gradient);
    border-radius: var(--radius-full);
    transition: width 1s ease-out;
}

/* Mastery Ranges */
.mastery-ranges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.mastery-range {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.mastery-range-label {
    font-size: 0.625rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.mastery-range-value {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* ============================================
   Achievements Section
   ============================================ */
.achievements-section {
    background: var(--deep);
    overflow: hidden;
}

.achievements-showcase {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4xl);
}

@media (min-width: 1024px) {
    .achievements-showcase {
        grid-template-columns: 2fr 1fr;
    }
}

/* Achievement Categories */
.achievement-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .achievement-categories {
        grid-template-columns: repeat(4, 1fr);
    }
}

.achievement-category {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.achievement-category:hover {
    transform: translateY(-4px);
    border-color: var(--category-color, var(--neon-green));
}

.achievement-category-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.achievement-category-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.achievement-category-count {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--category-color, var(--neon-green));
}

/* Rarity Tiers */
.rarity-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.rarity-tier {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--surface);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--rarity-color, var(--text-muted));
}

.rarity-badge {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--rarity-color, var(--text-muted)) 20%, transparent);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
}

.rarity-info {
    flex: 1;
}

.rarity-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--rarity-color, var(--text-primary));
}

.rarity-points {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Rarity Colors */
.rarity-common { --rarity-color: #9CA3AF; }
.rarity-uncommon { --rarity-color: #10B981; }
.rarity-rare { --rarity-color: #3B82F6; }
.rarity-epic { --rarity-color: #8B5CF6; }
.rarity-legendary { --rarity-color: #F59E0B; }

/* ============================================
   PvP Arena Section
   ============================================ */
.pvp-arena {
    background: var(--void);
    position: relative;
    overflow: hidden;
}

.pvp-arena::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200%;
    height: 200%;
    background:
        radial-gradient(ellipse 30% 50% at 20% 50%, var(--neon-red-dim) 0%, transparent 50%),
        radial-gradient(ellipse 30% 50% at 80% 50%, var(--electric-blue-dim) 0%, transparent 50%);
    pointer-events: none;
}

.arena-content {
    position: relative;
    z-index: 1;
}

.arena-versus {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-xl);
    align-items: center;
    margin-bottom: var(--space-4xl);
}

.arena-player {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--surface);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.arena-player-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    background: var(--elevated);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.arena-player-name {
    font-family: var(--font-display);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.arena-player-rating {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.arena-vs {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon-red);
    text-shadow: 0 0 30px var(--neon-red-dim);
}

/* Rank Tiers */
.rank-ladder {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .rank-ladder {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .rank-ladder {
        grid-template-columns: repeat(6, 1fr);
    }
}

.rank-tier {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.rank-tier:hover {
    transform: translateY(-4px);
    border-color: var(--rank-color, var(--text-muted));
}

.rank-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.rank-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--rank-color, var(--text-primary));
    margin-bottom: var(--space-xs);
}

.rank-range {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--text-muted);
}

/* Rank Colors */
.rank-bronze { --rank-color: #CD7F32; }
.rank-silver { --rank-color: #C0C0C0; }
.rank-gold { --rank-color: #FFD700; }
.rank-platinum { --rank-color: #00D4FF; }
.rank-diamond { --rank-color: #B9F2FF; }
.rank-master { --rank-color: #FF3366; }

/* ============================================
   Social Features Section
   ============================================ */
.social-features {
    background: linear-gradient(180deg, var(--void) 0%, var(--deep) 100%);
}

.social-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .social-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .social-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.social-card {
    padding: var(--space-2xl);
}

.social-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--feature-color-dim, var(--neon-green-dim));
    border-radius: var(--radius-lg);
    font-size: 1.75rem;
    margin-bottom: var(--space-lg);
}

.social-card h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
}

.social-card p {
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.social-card-stats {
    display: flex;
    gap: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.social-card-stat {
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.social-card-stat strong {
    color: var(--feature-color, var(--neon-green));
}

/* ============================================
   Statistics Section
   ============================================ */
.statistics-section {
    background: var(--deep);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.stats-card {
    padding: var(--space-xl);
}

.stats-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.stats-card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--electric-blue-dim);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
}

.stats-card h4 {
    font-size: 1rem;
}

.stats-card p {
    font-size: 0.875rem;
}

/* ============================================
   Premium Section
   ============================================ */
.premium-section {
    background: var(--void);
    position: relative;
}

.premium-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 50% at 50% 0%, var(--gold-dim) 0%, transparent 50%);
    pointer-events: none;
}

.premium-card {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--surface) 0%, rgba(255, 215, 0, 0.05) 100%);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: var(--radius-2xl);
    padding: var(--space-4xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gold-gradient);
}

.premium-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--gold-dim);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-xl);
}

.premium-badge-icon {
    font-size: 1.25rem;
}

.premium-badge-text {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 0.1em;
}

.premium-card h2 {
    margin-bottom: var(--space-md);
}

.premium-card > p {
    font-size: 1.125rem;
    margin-bottom: var(--space-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.premium-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
    .premium-features {
        grid-template-columns: repeat(3, 1fr);
    }
}

.premium-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
}

.premium-feature-check {
    color: var(--gold);
    font-weight: bold;
}

.premium-feature span:last-child {
    font-size: 0.875rem;
}

/* ============================================
   Download Section
   ============================================ */
.download-section {
    background: linear-gradient(180deg, var(--void) 0%, var(--deep) 100%);
}

.download-content {
    text-align: center;
}

.download-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.store-button {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.store-button:hover {
    transform: translateY(-2px);
    border-color: var(--neon-green);
    box-shadow: var(--shadow-glow-green);
}

.store-button svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

.store-text {
    text-align: left;
}

.store-label {
    font-size: 0.625rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.store-name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--void);
    padding: var(--space-4xl) 0 var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
    }
}

.footer-brand p {
    margin-top: var(--space-md);
    font-size: 0.875rem;
    max-width: 300px;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 0.875rem;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    padding: var(--space-xs) 0;
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--neon-green);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-bottom p {
    font-size: 0.75rem;
}

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

.footer-legal a {
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--neon-green);
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px var(--neon-green-dim); }
    50% { box-shadow: 0 0 40px var(--neon-green-dim); }
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Scroll Reveal Classes */
/* Fallback: show content if JS disabled or not loaded yet */
.reveal {
    opacity: 1;
    transform: translateY(0);
}

/* JS-enabled: hide for animation */
.js-loaded .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.js-loaded .reveal.visible,
.js-loaded .reveal.revealed,
.reveal.visible,
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger items - fallback visible, JS-enabled hidden for animation */
.stagger-item {
    opacity: 1;
    transform: translateY(0);
}

.js-loaded .stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.js-loaded .stagger-item.revealed,
.stagger-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   Legal Pages Styles
   ============================================ */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 140px var(--space-lg) var(--space-5xl);
}

.legal-content h1 {
    margin-bottom: var(--space-md);
}

.legal-content .last-updated {
    color: var(--text-muted);
    margin-bottom: var(--space-3xl);
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-md);
    color: var(--neon-green);
}

.legal-content h3 {
    font-size: 1.125rem;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-sm);
}

.legal-content p {
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.legal-content ul,
.legal-content ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.legal-content li {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

.legal-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-xl) 0;
}

.legal-content th,
.legal-content td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border: 1px solid var(--elevated);
}

.legal-content th {
    background: var(--surface);
    color: var(--text-primary);
    font-family: var(--font-display);
}

.legal-content td {
    color: var(--text-secondary);
}

.legal-content a {
    color: var(--neon-green);
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

.highlight-box {
    background: var(--surface);
    border-left: 4px solid var(--neon-green);
    padding: var(--space-lg) var(--space-xl);
    margin: var(--space-xl) 0;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.highlight-box p {
    margin-bottom: 0;
}

.warning-box {
    background: var(--neon-red-dim);
    border-left: 4px solid var(--neon-red);
    padding: var(--space-lg) var(--space-xl);
    margin: var(--space-xl) 0;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.warning-box p {
    margin-bottom: 0;
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--void);
    z-index: 999;
    display: flex;
    flex-direction: column;
    padding: 100px var(--space-xl) var(--space-xl);
    transform: translateX(100%);
    transition: var(--transition-base);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu a {
    font-family: var(--font-display);
    font-size: 1.5rem;
    padding: var(--space-md) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-fast);
}

.mobile-menu a:hover {
    color: var(--neon-green);
}

body.menu-open {
    overflow: hidden;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}