/* ============================================
   S D & S Racing - Premium Dark Luxury Design
   ============================================ */

/* CSS Custom Properties */
:root {
    --color-bg-dark: #0a0f0d;
    --color-bg-primary: #0d1410;
    --color-bg-secondary: #111a14;
    --color-bg-card: #141f18;
    --color-bg-elevated: #1a2620;
    
    --color-green-dark: #1a3a2a;
    --color-green-primary: #2d5a3f;
    --color-green-accent: #3d7a54;
    --color-green-light: #4a9464;
    
    --color-gold: #c9a84c;
    --color-gold-light: #d4b965;
    --color-gold-dark: #a8893d;
    --color-gold-muted: rgba(201, 168, 76, 0.15);
    
    --color-text-primary: #f5f2eb;
    --color-text-secondary: #c8c3b8;
    --color-text-muted: #8a8578;
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 15, 13, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-green-dark);
    padding: 0.75rem 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.logo-text {
    letter-spacing: 0.02em;
}

.logo-accent {
    color: var(--color-gold);
}

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

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-gold);
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--color-gold-muted);
    border: 1px solid var(--color-gold);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gold);
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background: var(--color-gold);
    color: var(--color-bg-dark);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

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

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-primary) 50%, var(--color-green-dark) 100%);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-xl) 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(45, 90, 63, 0.3) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(201, 168, 76, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 0.8fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.label-line {
    width: 40px;
    height: 1px;
    background: var(--color-gold);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
}

.title-accent {
    color: var(--color-gold);
    font-style: italic;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--color-gold);
    color: var(--color-bg-dark);
}

.btn-primary:hover {
    background: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(201, 168, 76, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-text-muted);
}

.btn-outline:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero Image */
.hero-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

.image-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(10, 15, 13, 0.6) 100%);
    z-index: 1;
}

.image-frame img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.hero-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-green-dark);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    z-index: 2;
}

.badge-year {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.badge-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gold);
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; height: 40px; }
    50% { opacity: 0.5; height: 25px; }
}

/* ============================================
   Section Styles
   ============================================ */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--spacing-lg);
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
}

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

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-green-dark);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gold-muted);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.service-desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-dark);
}

.about-layout {
    display: grid;
    grid-template-columns: 0.9fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-image-col {
    position: relative;
}

.about-image-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
}

.about-image-main img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-image-accent {
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 200px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 4px solid var(--color-bg-dark);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.about-image-accent img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.about-content-col {
    padding-left: var(--spacing-md);
}

.about-text {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.about-stats {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-green-dark);
    border-bottom: 1px solid var(--color-green-dark);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-gold);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ============================================
   Gallery Section
   ============================================ */
.gallery {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(2, 250px);
    gap: var(--spacing-sm);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 15, 13, 0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-gold);
}

.gallery-item-lg {
    grid-column: span 7;
}

.gallery-item-tall {
    grid-column: span 5;
    grid-row: span 2;
}

.gallery-item:not(.gallery-item-lg):not(.gallery-item-tall) {
    grid-column: span 4;
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-bg-dark) 100%);
    position: relative;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(201, 168, 76, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.cta-text {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.cta-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-dark);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-lg);
}

.contact-text {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gold-muted);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-text-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.contact-value {
    font-size: 1rem;
    color: var(--color-text-primary);
}

.contact-value a {
    transition: color var(--transition-fast);
}

.contact-value a:hover {
    color: var(--color-gold);
}

/* Contact Form */
.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-green-dark);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-green-dark);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23c9a84c' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-green-dark);
    border-radius: var(--radius-lg);
}

.form-success.active {
    display: flex;
}

.success-icon {
    margin-bottom: var(--spacing-sm);
}

.form-success h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-success p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--spacing-lg) 0 var(--spacing-md);
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-green-dark);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

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

.footer-col h4 {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-col ul li a,
.footer-col ul li {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--color-gold);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-green-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-description {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-image {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-layout {
        grid-template-columns: 1fr;
    }
    
    .about-image-col {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .about-content-col {
        padding-left: 0;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-bg-primary);
        flex-direction: column;
        justify-content: center;
        gap: var(--spacing-md);
        transition: right var(--transition-base);
        border-left: 1px solid var(--color-green-dark);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    .gallery-item-lg,
    .gallery-item-tall,
    .gallery-item:not(.gallery-item-lg):not(.gallery-item-tall) {
        grid-column: span 1;
        grid-row: span 1;
        height: 250px;
    }
    
    .about-image-accent {
        right: 0;
        bottom: -20px;
        width: 150px;
    }
    
    .about-image-accent img {
        height: 180px;
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .cta-actions .btn {
        width: 100%;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}