/* ============================================
   Ted's Carburetor Shop — Stylesheet
   Bold Editorial · Burgundy + Blush
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-burgundy: #7B2D3B;
    --color-burgundy-dark: #5C1F2B;
    --color-burgundy-light: #9A3D4E;
    --color-blush: #F5E6E0;
    --color-blush-light: #FAF3F0;
    --color-blush-dark: #E8D0C8;
    --color-cream: #FDF8F5;
    --color-charcoal: #1A1A1A;
    --color-text: #2C2C2C;
    --color-text-light: #6B6B6B;
    --color-white: #FFFFFF;
    --color-border: #E8DDD8;
    
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --shadow-sm: 0 1px 3px rgba(123, 45, 59, 0.06);
    --shadow-md: 0 4px 20px rgba(123, 45, 59, 0.08);
    --shadow-lg: 0 8px 40px rgba(123, 45, 59, 0.12);
    
    --transition: 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;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

address {
    font-style: normal;
}

/* --- Skip Link --- */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-sm);
    background: var(--color-burgundy);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-weight: 600;
    transition: top var(--transition);
}

.skip-link:focus {
    top: var(--space-sm);
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-xl);
    }
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-charcoal);
}

/* --- Eyebrow --- */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-burgundy);
    margin-bottom: var(--space-sm);
}

/* --- Section Title --- */
.section-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--color-charcoal);
}

.section-header--centered {
    text-align: center;
}

.section-header {
    margin-bottom: var(--space-2xl);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-burgundy);
    color: var(--color-white);
    border: 2px solid var(--color-burgundy);
}

.btn--primary:hover,
.btn--primary:focus-visible {
    background-color: var(--color-burgundy-dark);
    border-color: var(--color-burgundy-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-burgundy);
    border: 2px solid var(--color-burgundy);
}

.btn--outline:hover,
.btn--outline:focus-visible {
    background-color: var(--color-burgundy);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--outline-light {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn--outline-light:hover,
.btn--outline-light:focus-visible {
    background-color: var(--color-white);
    color: var(--color-burgundy);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

.btn--nav {
    background-color: var(--color-burgundy);
    color: var(--color-white);
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-sm);
}

.btn--nav:hover {
    background-color: var(--color-burgundy-dark);
}

.btn--full {
    width: 100%;
}

.btn--large {
    padding: 1rem 2.25rem;
    font-size: 0.9375rem;
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(253, 248, 245, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition);
}

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

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

/* --- Logo --- */
.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-charcoal);
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-burgundy);
    color: var(--color-white);
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
}

.logo-text {
    line-height: 1.2;
}

/* --- Navigation --- */
.main-nav ul {
    display: none;
    list-style: none;
    gap: var(--space-lg);
    align-items: center;
}

.main-nav a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition);
    position: relative;
}

.main-nav a:not(.btn):hover {
    color: var(--color-burgundy);
}

.main-nav a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-burgundy);
    transition: width var(--transition);
}

.main-nav a:not(.btn):hover::after {
    width: 100%;
}

/* --- Nav Toggle --- */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-xs);
    z-index: 101;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-charcoal);
    border-radius: 2px;
    transition: all var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-charcoal);
    border-radius: 2px;
    transition: all var(--transition);
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Mobile Nav --- */
@media (max-width: 767px) {
    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--color-cream);
        padding: 100px var(--space-lg) var(--space-lg);
        transform: translateX(100%);
        transition: transform var(--transition);
        box-shadow: var(--shadow-lg);
        z-index: 99;
    }
    
    .main-nav.open {
        transform: translateX(0);
    }
    
    .main-nav ul {
        display: flex;
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .main-nav a {
        font-size: 1.125rem;
    }
    
    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 98;
    }
    
    .nav-overlay.visible {
        display: block;
    }
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
    
    .main-nav ul {
        display: flex;
    }
    
    .main-nav {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        padding: 0;
        transform: none;
        box-shadow: none;
    }
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(92, 31, 43, 0.88) 0%,
        rgba(123, 45, 59, 0.75) 50%,
        rgba(44, 44, 44, 0.65) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-top: 72px;
    max-width: 720px;
}

.hero-eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-blush);
    margin-bottom: var(--space-md);
    opacity: 0.9;
}

.hero-headline {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero-headline em {
    font-style: italic;
    color: var(--color-blush);
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.65;
    color: rgba(245, 230, 224, 0.85);
    margin-bottom: var(--space-xl);
    max-width: 560px;
}

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

.hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(245, 230, 224, 0.6);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

@media (max-width: 767px) {
    .hero-content {
        padding: calc(72px + var(--space-lg)) var(--space-lg) var(--space-2xl);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }
}

/* --- Services --- */
.services {
    padding: var(--space-3xl) 0;
    background-color: var(--color-cream);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 480px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-burgundy);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 52px;
    height: 52px;
    margin-bottom: var(--space-md);
    color: var(--color-burgundy);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-charcoal);
}

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

/* --- About --- */
.about {
    padding: var(--space-3xl) 0;
    background-color: var(--color-blush-light);
    overflow: hidden;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--space-2xl);
    }
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background-color: var(--color-burgundy);
    border-radius: var(--radius-md);
    z-index: -1;
    display: none;
}

@media (min-width: 768px) {
    .about-image-accent {
        display: block;
    }
}

.about-content {
    max-width: 540px;
}

.about-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.about-text:last-of-type {
    margin-bottom: var(--space-xl);
}

.about-stats {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-burgundy);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.stat-divider {
    width: 1px;
    height: 48px;
    background-color: var(--color-border);
    flex-shrink: 0;
}

/* --- Why --- */
.why {
    padding: var(--space-3xl) 0;
    background-color: var(--color-burgundy);
    color: var(--color-white);
}

.why .section-eyebrow {
    color: var(--color-blush);
}

.why .section-title {
    color: var(--color-white);
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 600px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.why-item {
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition);
}

.why-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.why-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(245, 230, 224, 0.2);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.why-title {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.why-text {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(245, 230, 224, 0.75);
}

/* --- CTA Banner --- */
.cta-banner {
    position: relative;
    padding: var(--space-3xl) 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(92, 31, 43, 0.92) 0%,
        rgba(123, 45, 59, 0.85) 100%
    );
}

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

.cta-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-blush);
    margin-bottom: var(--space-sm);
}

.cta-headline {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta-text {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: rgba(245, 230, 224, 0.8);
    margin-bottom: var(--space-xl);
}

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

@media (max-width: 767px) {
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* --- Contact --- */
.contact {
    padding: var(--space-3xl) 0;
    background-color: var(--color-cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

.contact-info {
    max-width: 520px;
}

.contact-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

.contact-details {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

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

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

.contact-icon svg {
    width: 20px;
    height: 20px;
}

.contact-item strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-charcoal);
    margin-bottom: 0.25rem;
}

.contact-item p,
.contact-item a {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.contact-item a:hover {
    color: var(--color-burgundy);
    text-decoration: underline;
}

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

/* --- Contact Form --- */
.contact-form-wrap {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.form-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.form-subtitle {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-blush-light);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-burgundy);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(123, 45, 59, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-light);
    opacity: 0.7;
}

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

.form-note {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-top: var(--space-sm);
    text-align: center;
}

.form-success {
    text-align: center;
    padding: var(--space-xl);
    color: var(--color-burgundy);
}

.form-success h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin: var(--space-sm) 0 0.5rem;
    color: var(--color-charcoal);
}

.form-success p {
    color: var(--color-text-light);
}

/* --- Footer --- */
.site-footer {
    background-color: var(--color-charcoal);
    color: rgba(245, 230, 224, 0.7);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-top {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(245, 230, 224, 0.1);
}

@media (min-width: 768px) {
    .footer-top {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-brand .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
}

.footer-brand .logo-text {
    color: var(--color-white);
    font-size: 1rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: rgba(245, 230, 224, 0.5);
    max-width: 280px;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-nav a {
    font-size: 0.875rem;
    color: rgba(245, 230, 224, 0.6);
    transition: color var(--transition);
}

.footer-nav a:hover {
    color: var(--color-blush);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-top: var(--space-lg);
    font-size: 0.8125rem;
    color: rgba(245, 230, 224, 0.4);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }