/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Hacker Theme Colors */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2332;
    --bg-card: #1e293b;

    /* Accent Colors */
    --accent-primary: #00ff88;
    --accent-secondary: #00d4ff;
    --accent-tertiary: #a855f7;

    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;

    /* Border & Divider */
    --border-color: #2d3748;
    --border-glow: rgba(0, 255, 136, 0.2);

    /* Status Colors */
    --red: #ef4444;
    --orange: #f97316;
    --yellow: #eab308;
    --green: #22c55e;

    /* Spacing */
    --container-max: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===================================
   HEADER & NAVIGATION
   =================================== */
header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(17, 24, 39, 0.9);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    text-decoration: none;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
    letter-spacing: -0.02em;
}

.logo-text .accent {
    color: var(--accent-primary);
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--accent-primary);
    transition: all 0.3s ease;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-primary);
    background: rgba(0, 255, 136, 0.05);
    border-color: var(--border-glow);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        padding: var(--spacing-md);
        gap: 0.5rem;
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        width: 100%;
        text-align: left;
    }
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    font-size: 0.95rem;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--bg-primary);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
    transform: translateY(-2px);
}

/* ===================================
   HERO SECTION (HOME)
   =================================== */
.hero {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(0, 255, 136, 0.1), transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--border-glow);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
}

.badge-icon {
    font-size: 1rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.hero-description {
    font-size: 1rem;
    color: var(--text-tertiary);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

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

.hero-visual {
    margin-top: var(--spacing-xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: 0.25rem;
}

/* Mobile Hero */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-cta {
        flex-direction: column;
    }
}

/* ===================================
   VALUE SECTION
   =================================== */
.value-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.value-section h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.value-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-tertiary);
    line-height: 1.7;
}

/* ===================================
   CRITERIA SECTION
   =================================== */
.criteria-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.criteria-section h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: var(--spacing-xl);
}

.criteria-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.criteria-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.criteria-item:hover {
    border-color: var(--border-glow);
}

.criteria-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.criteria-number {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.criteria-item h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.criteria-item p {
    color: var(--text-tertiary);
    line-height: 1.7;
    padding-left: calc(1.5rem + var(--spacing-md));
}

/* ===================================
   METHODOLOGY SECTION
   =================================== */
.methodology-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.methodology-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.methodology-content h2 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-md);
}

.methodology-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.methodology-points {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: left;
}

.method-point {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.method-check {
    color: var(--accent-primary);
    font-size: 1.25rem;
    font-weight: 700;
}

/* ===================================
   CTA SECTION
   =================================== */
.cta-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
}

.cta-section > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
}

.platform-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.platform-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.platform-link:hover {
    border-color: var(--accent-primary);
    background: rgba(0, 255, 136, 0.05);
    transform: translateX(8px);
}

.platform-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.platform-arrow {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

/* ===================================
   PAGE HEADER (RANKING PAGES)
   =================================== */
.page-header {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.breadcrumb {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-sm);
}

.breadcrumb a {
    color: var(--accent-primary);
    text-decoration: none;
}

.breadcrumb .separator {
    margin: 0 0.5rem;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ===================================
   CRITERIA LEGEND
   =================================== */
.criteria-legend {
    padding: var(--spacing-xl) 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.criteria-legend h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.legend-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.legend-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.legend-content h3 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.legend-content p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    line-height: 1.4;
}

.last-updated {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    max-width: 400px;
    margin: 0 auto;
}

.update-label {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-right: 0.5rem;
}

.update-date {
    color: var(--accent-primary);
    font-weight: 600;
    font-family: var(--font-mono);
}

/* ===================================
   RANKINGS SECTION
   =================================== */
.rankings-section {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
    background: var(--bg-primary);
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-state p {
    color: var(--text-secondary);
}

/* Error State */
.error-state {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    color: var(--red);
}

/* Top 3 Rankings */
.top-three {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

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

.rank-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.rank-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}

/* Top 3 Special Styling */
.rank-card.rank-1,
.rank-card.rank-2,
.rank-card.rank-3 {
    border-width: 2px;
}

.rank-card.rank-1 {
    border-color: rgba(255, 215, 0, 0.5);
    background: linear-gradient(180deg, rgba(255, 215, 0, 0.05), var(--bg-card));
}

.rank-card.rank-2 {
    border-color: rgba(192, 192, 192, 0.5);
    background: linear-gradient(180deg, rgba(192, 192, 192, 0.05), var(--bg-card));
}

.rank-card.rank-3 {
    border-color: rgba(205, 127, 50, 0.5);
    background: linear-gradient(180deg, rgba(205, 127, 50, 0.05), var(--bg-card));
}

.rank-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.rank-position {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rank-number {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--accent-primary);
    line-height: 1;
}

.rank-card.rank-1 .rank-number { color: #ffd700; }
.rank-card.rank-2 .rank-number { color: #c0c0c0; }
.rank-card.rank-3 .rank-number { color: #cd7f32; }

.medal {
    font-size: 2rem;
}

.site-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.site-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.site-link:hover {
    text-decoration: underline;
}

.site-screenshot {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
    cursor: pointer;
}

.site-screenshot:hover {
    border-color: var(--accent-primary);
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 255, 136, 0.2);
}

.site-name {
    cursor: pointer;
    transition: color 0.3s ease;
}

.site-name:hover {
    color: var(--accent-primary);
}

/* Score Breakdown */
.score-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.score-item {
    display: grid;
    grid-template-columns: 80px 1fr 40px;
    align-items: center;
    gap: var(--spacing-sm);
}

.score-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    text-align: left;
}

.score-bar-container {
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    background: var(--bg-tertiary);
}

.score-bar-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--red) 0%, var(--orange) 33%, var(--yellow) 66%, var(--green) 100%);
    z-index: 1;
}

.score-bar {
    height: 100%;
    background: var(--bg-tertiary);
    border-radius: 0;
    transition: width 0.6s ease;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 2;
}

.score-value {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    text-align: right;
}

/* Global Score Gauge */
.global-score {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.global-score-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-xs);
}

.gauge-container {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto;
}

.gauge-svg {
    transform: rotate(-90deg);
}

.gauge-bg {
    fill: none;
    stroke: var(--bg-secondary);
    stroke-width: 12;
}

.gauge-fill {
    fill: none;
    stroke-width: 12;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease;
}

.gauge-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

/* Other Rankings */
.other-rankings {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

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

.other-rankings .rank-card {
    padding: var(--spacing-md);
}

.other-rankings .rank-number {
    font-size: 1.5rem;
}

.other-rankings .site-name {
    font-size: 1.25rem;
}

.other-rankings .site-screenshot {
    height: 150px;
}

.other-rankings .gauge-container {
    width: 100px;
    height: 100px;
}

.other-rankings .gauge-text {
    font-size: 1.5rem;
}

/* ===================================
   FOOTER
   =================================== */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

footer p {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* ===================================
   RESPONSIVE ADJUSTMENTS
   =================================== */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }

    .legend-grid {
        grid-template-columns: 1fr;
    }

    .value-section h2,
    .criteria-section h2,
    .methodology-content h2,
    .cta-section h2 {
        font-size: 1.75rem;
    }
}