/* ============================================
   Winter Gardens Auto Upholstery
   Premium Dark Luxury Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Primary Colors */
    --color-bg-primary: #0D0D0D;
    --color-bg-secondary: #141414;
    --color-bg-tertiary: #1A1A1A;
    --color-bg-card: #1E1E1E;
    
    /* Accent Colors */
    --color-accent: #C4653A;
    --color-accent-light: #D4845A;
    --color-accent-dark: #A8522E;
    
    /* Sand/Neutral Colors */
    --color-sand: #E8C9A0;
    --color-sand-light: #F0D8B8;
    --color-sand-dark: #D4B08A;
    
    /* Text Colors */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #B0B0B0;
    --color-text-muted: #707070;
    
    /* Border Colors */
    --color-border: #2A2A2A;
    --color-border-light: #333333;
    
    /* Spacing Scale */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;
    
    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(196, 101, 58, 0.15);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

ul {
    list-style: none;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-2xl);
    }
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
}

/* --- Section Header --- */
.section__eyebrow {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.section__title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    margin-bottom: var(--space-md);
}

.section__title-accent {
    color: var(--color-accent);
}

.section__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    line-height: 1.7;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: var(--text-base);
}

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

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

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

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo__icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.logo__text {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
}

.logo__accent {
    color: var(--color-accent);
}

/* Navigation */
.nav {
    display: none;
    align-items: center;
    gap: var(--space-2xl);
}

.nav__list {
    display: flex;
    gap: var(--space-xl);
}

.nav__link {
    font-size: var(--text-sm);
    font-weight: 500;
    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: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.nav__link:hover {
    color: var(--color-text-primary);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.625rem 1.25rem;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.nav__cta:hover {
    background: var(--color-accent);
    color: var(--color-text-primary);
}

.nav__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav__close:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
}

.nav__toggle span {
    display: block;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.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
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--space-4xl) 0;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

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

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(13, 13, 13, 0.7) 0%,
        rgba(13, 13, 13, 0.85) 50%,
        rgba(13, 13, 13, 0.95) 100%
    );
}

.hero__content {
    position: relative;
    text-align: center;
    max-width: 900px;
    padding: var(--space-2xl) 0;
}

.hero__eyebrow {
    margin-bottom: var(--space-lg);
}

.hero__title {
    font-size: clamp(var(--text-3xl), 6vw, var(--text-6xl));
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

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

.hero__subtitle {
    font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

.hero__trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2xl);
}

.hero__trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   SERVICES
   ============================================ */
.services {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-secondary);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-3xl);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

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

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(196, 101, 58, 0.1);
    border: 1px solid rgba(196, 101, 58, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.service-card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
}

.service-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-primary);
}

.about__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about__image-wrap {
    position: relative;
}

.about__image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.about__image img {
    width: 100%;
    height: auto;
    aspect-ratio: 6/7;
    object-fit: cover;
}

.about__image-accent {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.3;
}

.about__content {
    max-width: 560px;
}

.about__text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.about__stats {
    display: flex;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about__stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.about__stat-number {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 600;
    color: var(--color-accent);
}

.about__stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* ============================================
   GALLERY
   ============================================ */
.gallery {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-secondary);
}

.gallery__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-top: var(--space-3xl);
}

.gallery__item {
    position: relative;
    border-radius: var(--radius-xl);
    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__item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13, 13, 13, 0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery__item:hover .gallery__item-overlay {
    opacity: 1;
}

.gallery__item-overlay span {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    color: var(--color-text-primary);
}

/* ============================================
   CTA
   ============================================ */
.cta {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(196, 101, 58, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.cta__inner {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta__title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    margin-bottom: var(--space-lg);
}

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

.cta__text {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-primary);
}

.contact__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
}

.contact__text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

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

.contact__detail-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(196, 101, 58, 0.1);
    border: 1px solid rgba(196, 101, 58, 0.2);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact__detail-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.contact__detail-label {
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.contact__detail-value,
.contact__detail-link {
    font-size: var(--text-base);
    color: var(--color-text-primary);
}

.contact__detail-link:hover {
    color: var(--color-accent);
}

.contact__map {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Contact Form */
.contact__form-wrap {
    position: relative;
}

.contact__form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.contact__form-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-xl);
}

.form__group {
    margin-bottom: var(--space-lg);
}

.form__label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.form__input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: var(--text-base);
    font-family: var(--font-body);
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form__input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(196, 101, 58, 0.1);
}

.form__input::placeholder {
    color: var(--color-text-muted);
}

.form__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='%23707070' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.contact__success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-3xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.contact__success.active {
    display: flex;
}

.contact__success svg {
    margin-bottom: var(--space-lg);
}

.contact__success h4 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-sm);
}

.contact__success p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

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

.footer__brand {
    max-width: 300px;
}

.footer__tagline {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-md);
    line-height: 1.7;
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__links a {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer__contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__phone,
.footer__email {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer__phone:hover,
.footer__email:hover {
    color: var(--color-accent);
}

.footer__address {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.footer__bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer__bottom p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* ============================================
   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 (min-width: 768px) {
    .nav {
        display: flex;
    }
    
    .nav__toggle {
        display: none;
    }
    
    .about__inner {
        grid-template-columns: 1fr 1fr;
    }
    
    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery__item--large {
        grid-column: span 2;
    }
    
    .gallery__item--tall {
        grid-row: span 2;
    }
    
    .contact__inner {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer__inner {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .gallery__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .gallery__item--large {
        grid-column: span 2;
        grid-row: span 2;
    }
    
    .gallery__item--tall {
        grid-row: span 2;
    }
}

@media (max-width: 767px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: var(--space-2xl);
        transition: right var(--transition-base);
        border-left: 1px solid var(--color-border);
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--space-lg);
        margin-bottom: var(--space-2xl);
    }
    
    .nav__link {
        font-size: var(--text-xl);
    }
    
    .nav__close {
        position: absolute;
        top: var(--space-lg);
        right: var(--space-lg);
    }
    
    .hero__actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta__actions {
        flex-direction: column;
    }
    
    .cta__actions .btn {
        width: 100%;
    }
    
    .about__image-accent {
        top: -10px;
        right: -10px;
    }
}