/* ========================================
   Johnson's Duct Cleaning & Powerwashing
   Classic & Elegant Design System
   ======================================== */

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

:root {
    --color-emerald-900: #0C3B2F;
    --color-emerald-800: #145A3E;
    --color-emerald-700: #1B7A52;
    --color-emerald-600: #239B66;
    --color-emerald-500: #2DB878;
    --color-cream-50: #FAF8F4;
    --color-cream-100: #F5F0E8;
    --color-cream-200: #EDE6D8;
    --color-cream-300: #E4DBCC;
    --color-warm-gray: #6B6560;
    --color-warm-gray-light: #9B9490;
    --color-dark: #1A1816;
    --color-text: #2C2825;
    --color-text-light: #5A5450;
    --color-white: #FFFFFF;
    
    --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
    --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(12, 59, 47, 0.06);
    --shadow-md: 0 4px 20px rgba(12, 59, 47, 0.08);
    --shadow-lg: 0 12px 40px rgba(12, 59, 47, 0.12);
    --shadow-xl: 0 20px 60px rgba(12, 59, 47, 0.15);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-cream-50);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.25;
    color: var(--color-emerald-900);
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 248, 244, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-cream-200);
    transition: var(--transition);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-emerald-900);
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: var(--color-emerald-700);
}

/* --- Navigation --- */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-emerald-900);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-list a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: var(--transition);
    letter-spacing: 0.02em;
}

.nav-list a:hover {
    color: var(--color-emerald-700);
}

.nav-cta {
    background: var(--color-emerald-800);
    color: var(--color-white) !important;
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    font-weight: 600 !important;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--color-emerald-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: var(--color-emerald-900);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, rgba(12, 59, 47, 0.95) 0%, rgba(20, 90, 62, 0.88) 50%, rgba(12, 59, 47, 0.92) 100%),
        url('https://images.pexels.com/photos/1249611/pexels-photo-1249611.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center/cover no-repeat;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    align-items: center;
}

.hero-card {
    max-width: 640px;
}

.hero-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-emerald-400);
    background: rgba(45, 184, 120, 0.15);
    border: 1px solid rgba(45, 184, 120, 0.3);
    padding: 8px 20px;
    border-radius: var(--radius-xl);
    margin-bottom: 32px;
}

.hero-headline {
    font-size: clamp(2.25rem, 4.5vw, 3.75rem);
    color: var(--color-white);
    margin-bottom: 24px;
    line-height: 1.15;
}

.hero-headline em {
    font-style: italic;
    color: var(--color-emerald-300);
}

.hero-sub {
    font-size: 1.125rem;
    color: rgba(250, 248, 244, 0.75);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 520px;
}

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-cream-100);
    color: var(--color-emerald-900);
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 1.5px solid rgba(250, 248, 244, 0.35);
}

.btn-secondary:hover {
    border-color: var(--color-white);
    background: rgba(250, 248, 244, 0.08);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1rem;
}

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

/* --- Hero Stats --- */
.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-card {
    background: rgba(250, 248, 244, 0.08);
    border: 1px solid rgba(250, 248, 244, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(250, 248, 244, 0.12);
    transform: translateY(-4px);
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.8125rem;
    color: rgba(250, 248, 244, 0.65);
    line-height: 1.5;
    letter-spacing: 0.02em;
}

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

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-emerald-700);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: 16px;
}

.section-sub {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* --- Services --- */
.services {
    padding: 100px 0;
    background: var(--color-cream-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    border: 1px solid var(--color-cream-200);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-emerald-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--color-emerald-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--color-emerald-700);
}

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-title {
    font-size: 1.375rem;
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    font-size: 0.875rem;
    color: var(--color-text);
    padding-left: 20px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    background: var(--color-emerald-600);
    border-radius: 50%;
}

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

.about-layout {
    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-xl);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-text {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    line-height: 1.85;
    margin-bottom: 20px;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 36px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.value-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--color-emerald-50);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-emerald-700);
}

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

.value-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

/* --- Process --- */
.process {
    padding: 100px 0;
    background: var(--color-emerald-900);
}

.process .section-tag {
    color: var(--color-emerald-400);
}

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

.process .section-sub {
    color: rgba(250, 248, 244, 0.65);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.process-step {
    background: rgba(250, 248, 244, 0.06);
    border: 1px solid rgba(250, 248, 244, 0.1);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
}

.process-step:hover {
    background: rgba(250, 248, 244, 0.1);
    transform: translateY(-4px);
}

.step-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    color: rgba(45, 184, 120, 0.4);
    margin-bottom: 16px;
    line-height: 1;
}

.step-title {
    font-size: 1.1875rem;
    color: var(--color-white);
    margin-bottom: 12px;
}

.step-desc {
    font-size: 0.875rem;
    color: rgba(250, 248, 244, 0.6);
    line-height: 1.75;
}

.step-desc a {
    color: var(--color-emerald-400);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: var(--transition);
}

.step-desc a:hover {
    color: var(--color-emerald-300);
}

/* --- Gallery --- */
.gallery {
    padding: 100px 0;
    background: var(--color-cream-50);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 5/4;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(12, 59, 47, 0.85) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 28px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-overlay span {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--color-white);
    font-weight: 500;
}

.gallery-item:hover img {
    transform: scale(1.06);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* --- CTA --- */
.cta {
    padding: 100px 0;
    background: var(--color-cream-100);
}

.cta-card {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 72px 56px;
    border: 1px solid var(--color-cream-200);
    box-shadow: var(--shadow-md);
}

.cta-card .section-tag {
    margin-bottom: 20px;
}

.cta-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 36px;
}

.cta-actions {
    display: flex;
    justify-content: center;
}

/* --- Contact --- */
.contact {
    padding: 100px 0;
    background: var(--color-cream-50);
}

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

.contact-text {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--color-emerald-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-emerald-700);
}

.contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-item strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--color-emerald-900);
    margin-bottom: 4px;
}

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

.contact-item a:hover {
    color: var(--color-emerald-700);
    text-decoration: underline;
}

.map-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-emerald-700);
    transition: var(--transition);
}

.map-link:hover {
    color: var(--color-emerald-600);
}

.map-link svg {
    width: 18px;
    height: 18px;
}

/* --- Contact Form --- */
.contact-form-wrapper {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--color-cream-200);
    box-shadow: var(--shadow-sm);
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 28px;
    color: var(--color-emerald-900);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-cream-50);
    border: 1.5px solid var(--color-cream-200);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-emerald-600);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(45, 184, 120, 0.12);
}

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

.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success svg {
    width: 56px;
    height: 56px;
    color: var(--color-emerald-600);
    margin: 0 auto 16px;
}

.form-success h4 {
    font-size: 1.375rem;
    margin-bottom: 8px;
}

.form-success p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

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

.footer-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(250, 248, 244, 0.1);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: rgba(250, 248, 244, 0.55);
    max-width: 280px;
    line-height: 1.7;
}

.footer-nav {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-nav a {
    font-size: 0.9375rem;
    color: rgba(250, 248, 244, 0.7);
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(250, 248, 244, 0.4);
}

.footer-bottom a {
    color: rgba(250, 248, 244, 0.55);
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: var(--color-white);
}

/* --- Scroll Reveal --- */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
}

.reveal[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .stat-card {
        flex: 1;
        min-width: 140px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image {
        max-width: 500px;
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-list {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(250, 248, 244, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--color-cream-200);
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
    }
    
    .nav-list.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-list a {
        font-size: 1rem;
        padding: 8px 0;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-headline {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        justify-content: center;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .cta-card {
        padding: 48px 28px;
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        flex-direction: column;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .services,
    .about,
    .process,
    .gallery,
    .cta,
    .contact {
        padding: 72px 0;
    }
    
    .service-card {
        padding: 28px 24px;
    }
    
    .contact-form-wrapper {
        padding: 28px 20px;
    }
    
    .stat-card {
        padding: 20px 16px;
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .reveal[data-reveal] {
        opacity: 1;
        transform: none;
    }
}