/* CSS RESET & VARIABLES */
:root {
    --primary-color: #d92525; /* Automotive Accent Red */
    --primary-hover: #b81d1d;
    --dark-bg: #1e2229;      /* Deep Slate Header/Footer */
    --secondary-dark: #2a2f38;
    --text-dark: #222222;
    --text-muted: #666666;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 70px 0;
}

.bg-light {
    background-color: var(--light-bg);
}

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

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

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

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

.btn-secondary:hover {
    background-color: #3b424e;
}

.btn-large {
    padding: 14px 28px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* HEADER & NAV */
.header {
    background-color: var(--dark-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--white);
}

.logo-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-right: 12px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--white);
}

.brand-sub {
    font-size: 0.68rem;
    color: #a0aec0;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-link {
    color: #e2e8f0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.hamburger {
    display: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* HERO SECTION */
.hero {
    position: relative;
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: var(--white);
    padding: 100px 0 80px;
    text-align: center;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 750px;
    margin: 0 auto 35px;
    color: #cbd5e0;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    flex-wrap: wrap;
}

.feature-item {
    font-size: 1rem;
    font-weight: 600;
    color: #e2e8f0;
}

.feature-item i {
    color: var(--primary-color);
    margin-right: 8px;
}

/* SECTION HEADINGS */
.section-header {
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
}

.heading-line {
    height: 4px;
    width: 60px;
    background-color: var(--primary-color);
    margin: 12px auto 18px;
    border-radius: 2px;
}

.heading-line.white-line {
    background-color: var(--white);
    margin-left: 0;
}

/* SERVICES */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 35px 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ABOUT */
.about-container {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 40px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.2rem;
}

.about-text .heading-line {
    margin-left: 0;
}

.about-text .lead {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

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

.about-list li {
    font-weight: 600;
    margin-bottom: 10px;
    color: #2d3748;
}

.about-list i {
    color: var(--primary-color);
    margin-right: 10px;
}

.about-card .info-box {
    background-color: var(--secondary-dark);
    color: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.info-box h3 {
    margin-bottom: 25px;
    font-size: 1.5rem;
}

.stat-item {
    margin-bottom: 20px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: #a0aec0;
}

/* APPOINTMENT SECTION */
.appointment {
    background-color: #1a202c;
    color: var(--white);
}

.appointment-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.appointment-info h2 {
    font-size: 2.2rem;
}

.appointment-info p {
    color: #cbd5e0;
    margin-bottom: 25px;
}

.contact-quick-info p {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--white);
}

.contact-quick-info i {
    color: var(--primary-color);
    margin-right: 12px;
    width: 20px;
}

.appointment-form {
    background-color: var(--white);
    color: var(--text-dark);
    padding: 35px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.form-group {
    margin-bottom: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 0.95rem;
}

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

.form-alert {
    display: none;
    padding: 12px;
    margin-top: 15px;
    border-radius: 5px;
    font-size: 0.9rem;
}

.form-alert.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

/* REVIEWS */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.review-card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.stars {
    color: #f59e0b;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.review-text {
    font-style: italic;
    color: #4a5568;
    margin-bottom: 15px;
}

.reviewer {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 0.9rem;
}

/* CONTACT */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 25px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 4px;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--text-muted);
}

.contact-item a {
    color: var(--text-muted);
    text-decoration: none;
}

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

/* FOOTER */
.footer {
    background-color: var(--dark-bg);
    color: #a0aec0;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-tagline {
    font-size: 0.85rem;
    margin-top: 5px;
    color: #718096;
}

/* RESPONSIVE DESIGN */
@media (max-width: 900px) {
    .about-container,
    .appointment-wrapper,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.1rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--dark-bg);
        flex-direction: column;
        padding: 20px 0;
        gap: 15px;
        box-shadow: 0 10px 10px rgba(0,0,0,0.2);
    }

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

    .hamburger {
        display: block;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}