/* ==========================================
   HYPERCAR ABOUT PAGE STYLES
   Technical Documentation Aesthetic
   ========================================== */

:root {
    --primary: #00FF9D;
    --primary-dim: #00CC7D;
    --secondary: #FFD700;
    --accent: #FF0066;
    --bg-dark: #0A0A0A;
    --bg-darker: #050505;
    --surface: #151515;
    --surface-light: #1F1F1F;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-tertiary: #606060;
    --border: rgba(255, 255, 255, 0.1);
    --border-bright: rgba(0, 255, 157, 0.3);

    --font-display: 'Syncopate', sans-serif;
    --font-title: 'Teko', sans-serif;
    --font-body: 'Barlow', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-darker);
    color: var(--text-primary);
    line-height: 1.7;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 0 10px var(--primary));
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* ==========================================
   BACKGROUND
   ========================================== */

.page-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.grid-overlay {
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 255, 157, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 157, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* ==========================================
   HERO SECTION
   ========================================== */

.about-hero {
    position: relative;
    padding: 12rem 2rem 6rem;
    text-align: center;
    background: linear-gradient(180deg, rgba(0, 255, 157, 0.03) 0%, transparent 100%);
    border-bottom: 1px solid var(--border);
    z-index: 1;
}

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

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 255, 157, 0.1);
    border: 1px solid var(--primary);
    border-radius: 50px;
    margin-bottom: 2rem;
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--primary);
}

.hero-title {
    font-family: var(--font-title);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.title-line {
    display: block;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

/* ==========================================
   CONTENT SECTIONS
   ========================================== */

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

.content-section {
    padding: 6rem 2rem;
    border-bottom: 1px solid var(--border);
}

.dark-section {
    background: var(--bg-dark);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-heading {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    margin-bottom: 4rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-bright);
}

.heading-number {
    font-family: var(--font-title);
    font-size: 3rem;
    color: var(--primary);
    line-height: 1;
}

.heading-text {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1;
}

/* ==========================================
   CONTENT GRID
   ========================================== */

.content-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: start;
}

.text-block {
    color: var(--text-secondary);
}

.lead-text {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.text-block p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.spec-list {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}

.spec-value {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--primary);
}

/* ==========================================
   PHYSICS CARDS
   ========================================== */

.physics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.physics-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.physics-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 255, 157, 0.1);
}

.physics-title {
    font-family: var(--font-title);
    font-size: 1.5rem;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.formula-block {
    background: rgba(0, 255, 157, 0.05);
    border: 1px solid var(--border-bright);
    border-radius: 4px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.formula {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--text-primary);
}

.physics-list {
    list-style: none;
}

.physics-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.physics-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.physics-list strong {
    color: var(--text-primary);
}

/* ==========================================
   RACE MODES
   ========================================== */

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.mode-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.mode-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.mode-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px var(--primary));
}

.mode-name {
    font-family: var(--font-title);
    font-size: 1.5rem;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.mode-distance {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.mode-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================
   DATABASE CONTENT
   ========================================== */

.database-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.code-block {
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.code-title {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--primary);
}

.code-lang {
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}

.code-content {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--text-secondary);
    overflow-x: auto;
}

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

/* ==========================================
   VEHICLE SPECS
   ========================================== */

.vehicle-specs {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.specs-title {
    font-family: var(--font-title);
    font-size: 2rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.vehicle-spec-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--primary);
    border-radius: 8px;
    padding: 2rem;
}

.spec-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.spec-header h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.1em;
}

.spec-badge {
    font-family: var(--font-title);
    font-size: 1.5rem;
    color: var(--primary);
}

.spec-details {
    display: grid;
    gap: 0.75rem;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.spec-row span:first-child {
    font-size: 0.9rem;
}

.spec-row span:last-child {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* ==========================================
   VEHICLE FLEET
   ========================================== */

.fleet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.fleet-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.fleet-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 255, 157, 0.1);
}

.fleet-title {
    font-family: var(--font-title);
    font-size: 1.8rem;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.fleet-list {
    list-style: none;
}

.fleet-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
    border-bottom: 1px solid var(--border);
}

.fleet-list li:last-child {
    border-bottom: none;
}

.fleet-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 1.2rem;
}

.fleet-list strong {
    color: var(--primary-dim);
    font-weight: 600;
}

/* ==========================================
   TUNING SYSTEM
   ========================================== */

.tuning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tuning-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.tuning-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 255, 157, 0.1);
}

.tuning-title {
    font-family: var(--font-title);
    font-size: 1.8rem;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.tuning-list {
    list-style: none;
}

.tuning-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tuning-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 1.2rem;
}

.tuning-list strong {
    color: var(--text-primary);
}

/* ==========================================
   TECHNICAL STACK
   ========================================== */

.stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.stack-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
}

.stack-title {
    font-family: var(--font-title);
    font-size: 1.8rem;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.stack-list {
    list-style: none;
}

.stack-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.stack-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 1.2rem;
}

.stack-list strong {
    color: var(--text-primary);
}

/* ==========================================
   SETUP STEPS
   ========================================== */

.setup-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.step-card {
    display: flex;
    gap: 2rem;
    align-items: start;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 157, 0.1);
    border: 2px solid var(--primary);
    border-radius: 50%;
    font-family: var(--font-title);
    font-size: 2rem;
    color: var(--primary);
}

.step-content {
    flex: 1;
}

.step-title {
    font-family: var(--font-title);
    font-size: 1.8rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta-section {
    padding: 8rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 255, 157, 0.05), rgba(255, 215, 0, 0.05));
    border-top: 1px solid var(--border);
}

.cta-container {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-title);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 3rem;
    background: var(--primary);
    color: var(--bg-dark);
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    box-shadow: 0 0 30px rgba(0, 255, 157, 0.3);
}

.btn-cta:hover {
    box-shadow: 0 0 50px rgba(0, 255, 157, 0.5);
    transform: translateY(-3px);
}

.cta-arrow {
    font-size: 1.5rem;
}

/* ==========================================
   FOOTER
   ========================================== */

.main-footer {
    padding: 4rem 2rem 2rem;
    background: var(--bg-darker);
    border-top: 1px solid var(--border);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-heading {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.footer-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--primary);
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 968px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .section-heading {
        flex-direction: column;
        gap: 0.5rem;
    }

    .heading-number {
        font-size: 2rem;
    }

    .heading-text {
        font-size: 2rem;
    }
}

@media (max-width: 600px) {
    .about-hero {
        padding: 8rem 1.5rem 4rem;
    }

    .content-section {
        padding: 4rem 1.5rem;
    }

    .nav-container {
        padding: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-link {
        font-size: 0.65rem;
    }

    .modes-grid,
    .physics-grid,
    .stack-grid,
    .fleet-grid,
    .tuning-grid {
        grid-template-columns: 1fr;
    }

    .step-card {
        flex-direction: column;
        gap: 1rem;
    }
}