/* ========================================
   Herb and Rob's Auto Clinic — Styles
   Clean Minimalist | Teal + Slate Grey
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
    --color-teal-50: #f0fdfa;
    --color-teal-100: #ccfbf1;
    --color-teal-200: #99f6e4;
    --color-teal-400: #2dd4bf;
    --color-teal-500: #14b8a6;
    --color-teal-600: #0d9488;
    --color-teal-700: #0f766e;
    --color-slate-50: #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
    
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-muted: #94a3b8;
    --color-border: #e2e8f0;
    --color-accent: #0d9488;
    --color-accent-light: #f0fdfa;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 8px 30px rgba(15, 23, 42, 0.08);
    --shadow-xl: 0 16px 50px rgba(15, 23, 42, 0.10);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-teal-700);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Eyebrow --- */
.eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
}

/* --- Thin Line --- */
.thin-line {
    width: 48px;
    height: 1px;
    background: var(--color-accent);
    margin-top: 20px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-teal-700);
    border-color: var(--color-teal-700);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-slate-200);
}

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

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 14px 28px;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--color-text);
}

.logo-icon {
    width: 28px;
    height: 28px;
    background: var(--color-accent);
    border-radius: var(--radius-sm);
    position: relative;
}

.logo-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255,255,255,0.8);
    border-radius: 50%;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

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

.nav-links a {
    font-size: 0.875rem;
    color: var(--color-slate-600);
    text-decoration: none;
    font-weight: 400;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--color-accent);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 22px;
    height: 1.5px;
    background: var(--color-slate-700);
    transition: var(--transition);
    display: block;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* --- Hero --- */
.hero {
    padding: 140px 0 100px;
    background: var(--color-bg);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-content .eyebrow {
    margin-bottom: 20px;
}

.hero-content h1 {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-slate-900);
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 1.0625rem;
    color: var(--color-slate-500);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
}

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

.hero-image-wrapper img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.stat-card {
    position: absolute;
    background: #ffffff;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.stat-card--1 {
    bottom: -20px;
    left: -20px;
}

.stat-card--2 {
    top: -20px;
    right: -20px;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-slate-500);
    margin-top: 4px;
    letter-spacing: 0.02em;
}

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

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 500;
    color: var(--color-slate-900);
    letter-spacing: -0.02em;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: #ffffff;
    padding: 36px 28px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-teal-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.service-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-slate-800);
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-slate-500);
    line-height: 1.7;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

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

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

.about-content .eyebrow {
    margin-bottom: 16px;
}

.about-content h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 500;
    color: var(--color-slate-900);
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    line-height: 1.3;
}

.about-content p {
    font-size: 1rem;
    color: var(--color-slate-500);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--color-slate-700);
}

.feature-item svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

/* --- Why Us --- */
.why-us {
    padding: 100px 0;
    background: var(--color-slate-900);
    color: #ffffff;
}

.why-us .section-header h2 {
    color: #ffffff;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.why-card {
    padding: 36px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.why-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.02);
}

.why-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 16px;
    opacity: 0.8;
}

.why-card h3 {
    font-size: 1.125rem;
    font-weight: 500;
    color: #ffffff;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.why-card p {
    font-size: 0.9375rem;
    color: var(--color-slate-400);
    line-height: 1.7;
}

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

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

.contact-info .eyebrow {
    margin-bottom: 16px;
}

.contact-info h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 500;
    color: var(--color-slate-900);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    line-height: 1.3;
}

.contact-desc {
    font-size: 1rem;
    color: var(--color-slate-500);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    gap: 16px;
}

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-slate-800);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.9375rem;
    color: var(--color-slate-500);
    line-height: 1.6;
}

.contact-item a {
    color: var(--color-slate-500);
}

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

/* --- Contact Form --- */
.contact-form-wrapper {
    background: var(--color-bg-alt);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-slate-700);
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    padding: 10px 14px;
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--color-text);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-slate-400);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--color-accent-light);
    border: 1px solid var(--color-teal-200);
    border-radius: var(--radius-sm);
    color: var(--color-teal-700);
    font-size: 0.9375rem;
}

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

.form-success svg {
    flex-shrink: 0;
}

/* --- Map --- */
.map-section {
    border-top: 1px solid var(--color-border);
}

.map-container {
    height: 350px;
    overflow: hidden;
}

.map-container iframe {
    filter: grayscale(0.6) contrast(1.05);
    transition: var(--transition);
}

.map-container:hover iframe {
    filter: grayscale(0);
}

/* --- Footer --- */
.footer {
    background: var(--color-slate-900);
    color: var(--color-slate-400);
    padding: 64px 0 32px;
}

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

.footer-brand .logo {
    color: #ffffff;
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-slate-500);
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-slate-300);
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--color-slate-500);
    font-size: 0.9375rem;
    text-decoration: none;
}

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

.footer-contact p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 4px;
}

.footer-contact a {
    color: var(--color-slate-500);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-slate-600);
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-grid,
    .about-grid,
    .contact-grid {
        gap: 48px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    
    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-image-wrapper img {
        height: 280px;
    }
    
    .stat-card {
        padding: 12px 16px;
    }
    
    .stat-number {
        font-size: 1.25rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-image img {
        height: 300px;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .stat-card--1 {
        bottom: -10px;
        left: 0;
    }
    
    .stat-card--2 {
        top: -10px;
        right: 0;
    }
}