/* ============================================
   Nitro Motor Sports - Custom Styles
   ============================================ */

:root {
    --color-primary: #0a1628;
    --color-primary-light: #1a2d4a;
    --color-secondary: #00d4aa;
    --color-secondary-light: #00f5c4;
    --color-secondary-dark: #00b894;
    --color-accent: #e8f5f1;
    --color-text: #1a1a2e;
    --color-text-light: #4a5568;
    --color-text-muted: #718096;
    --color-background: #ffffff;
    --color-background-alt: #f7fafc;
    --color-border: #e2e8f0;
    --color-white: #ffffff;
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(10, 22, 40, 0.1), 0 2px 4px -1px rgba(10, 22, 40, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(10, 22, 40, 0.1), 0 4px 6px -2px rgba(10, 22, 40, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(10, 22, 40, 0.1), 0 10px 10px -5px rgba(10, 22, 40, 0.04);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-primary);
}

.logo-icon {
    color: var(--color-secondary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--color-text-light);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition);
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

.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);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(0, 212, 170, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 212, 170, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: var(--color-white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 212, 170, 0.15);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-secondary);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.hero-headline {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--color-white);
}

.hero-subheadline {
    font-size: 1.125rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--color-secondary);
    color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-secondary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

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

.btn-white {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-white:hover {
    background: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-white {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

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

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.stat-label {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

.hero-image {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

.hero-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: var(--color-secondary);
    border-radius: var(--radius-xl);
    opacity: 0.2;
    z-index: -1;
}

.hero-card {
    position: absolute;
    bottom: -30px;
    left: -40px;
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--color-white);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.hero-card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.hero-card-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-primary);
}

.hero-card-text {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    color: var(--color-background);
}

.hero-wave svg {
    width: 100%;
    height: 120px;
}

/* ============================================
   Section Styles
   ============================================ */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-secondary-dark);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

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

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: 100px 0;
    background: var(--color-background);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(0, 212, 170, 0.05));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary-dark);
    margin-bottom: 24px;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

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

/* ============================================
   About Section
   ============================================ */
.about {
    padding: 100px 0;
    background: var(--color-background-alt);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-main {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image-main img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.about-image-secondary {
    position: absolute;
    bottom: -40px;
    right: -40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--color-white);
}

.about-image-secondary img {
    width: 300px;
    height: 200px;
    object-fit: cover;
}

.about-experience {
    position: absolute;
    top: -20px;
    left: -20px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 24px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.experience-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.experience-text {
    font-size: 0.875rem;
    opacity: 0.8;
}

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

.about-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-check {
    width: 24px;
    height: 24px;
    background: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.about-feature span {
    font-size: 0.9375rem;
    color: var(--color-text);
    font-weight: 500;
}

/* ============================================
   Products Section
   ============================================ */
.products {
    padding: 100px 0;
    background: var(--color-background);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

.product-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

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

.product-image {
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--color-secondary);
    color: var(--color-primary);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-info {
    padding: 24px;
}

.product-name {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.product-desc {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.products-cta {
    text-align: center;
    padding: 48px;
    background: var(--color-background-alt);
    border-radius: var(--radius-xl);
}

.products-cta p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(0, 212, 170, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    color: var(--color-white);
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-white);
}

.cta-text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: 100px 0;
    background: var(--color-background);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: var(--color-background-alt);
    border-radius: var(--radius-md);
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.contact-label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.contact-value {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.6;
}

.contact-link {
    color: var(--color-secondary-dark);
    font-weight: 500;
}

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

.contact-map {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.contact-form-wrapper {
    background: var(--color-background-alt);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.form-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

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

.form-success {
    display: none;
    text-align: center;
    padding: 40px;
}

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

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--color-white);
}

.form-success h4 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.form-success p {
    font-size: 1rem;
    color: var(--color-text-light);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.logo-light {
    color: var(--color-white);
}

.footer-desc {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-top: 16px;
    max-width: 320px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-contact p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    line-height: 1.6;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Animations
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .hero-image {
        order: -1;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 32px 24px;
        gap: 24px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .hero-card {
        position: relative;
        bottom: auto;
        left: auto;
        margin-top: 24px;
    }
    
    .about-image-secondary {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: 16px;
    }
    
    .about-experience {
        position: relative;
        top: auto;
        left: auto;
        display: inline-block;
        margin-bottom: 16px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-headline {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
}