:root {
    --bg-color: #0c0c0c;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #ffffff;
    --accent-contrast: #121212;
    --border-color: rgba(255, 255, 255, 0.1);
    --card-bg: #161616;
    --whatsapp-color: #25d366;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --container-width: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

/* Buttons */
.btn-primary {
    background-color: var(--accent-color);
    color: var(--accent-contrast);
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: 4px;
    display: inline-block;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.btn-primary:hover {
    background-color: #e0e0e0;
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: 4px;
    display: inline-block;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.btn-whatsapp:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Header */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.5rem 0;
    transition: var(--transition);
}

#main-header.scrolled {
    background-color: rgba(12, 12, 12, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.logo a {
    display: flex;
    align-items: center;
}

.brand-logo {
    height: 60px;
    max-height: 60px;
    width: auto;
    object-fit: contain;
    transform: scale(2.2);
    transform-origin: left center;
}

@media (max-width: 768px) {
    .brand-logo {
        height: 45px;
        max-height: 45px;
        transform: scale(2.0);
        transform-origin: left center;
    }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a:not(.header-cta) {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.nav-links a:not(.header-cta):hover {
    color: var(--text-primary);
}

.header-cta {
    padding: 0.6rem 1.2rem;
}

/* Hero */
.hero {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    position: relative;
    background-image: url('assets/hero_carpentry_high_end.png');
    background-size: cover;
    background-position: center;
    padding-top: 80px;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(12, 12, 12, 0.9) 30%, rgba(12, 12, 12, 0.4));
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero h2 {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.booking-status {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.pulse-icon {
    width: 8px;
    height: 8px;
    background-color: #25d366;
    border-radius: 50%;
    position: relative;
    display: inline-block;
}

.pulse-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: inherit;
    border-radius: inherit;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(2.5); opacity: 0; }
}

.hero-supporting {
    margin-bottom: 3rem;
}

.tagline {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.lead {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 500px;
}

.hero-ctas {
    display: flex;
    gap: 1.5rem;
}

/* Trust Bar */
.trust-bar {
    padding: 3rem 0;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
}

.trust-item {
    padding: 0.5rem;
    border-right: 1px solid var(--border-color);
}

.trust-item:last-child {
    border-right: none;
}

.trust-label {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    display: block;
}

.trust-icon {
    width: 20px;
    height: 20px;
    margin: 0 auto 1rem;
    display: block;
    color: var(--accent-color);
    opacity: 0.6;
}

/* Services */
.services {
    padding: 10rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--card-bg);
    padding: 3rem;
    transition: var(--transition);
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 400px;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(12, 12, 12, 0.1) 0%, rgba(12, 12, 12, 0.9) 100%);
    transition: var(--transition);
    z-index: 1;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.service-card:hover::before {
    background: linear-gradient(to bottom, rgba(12, 12, 12, 0.3) 0%, rgba(12, 12, 12, 1) 100%);
}

.service-card h3, .service-card p {
    position: relative;
    z-index: 2;
}

.service-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-shadow: 0 4px 10px rgba(0,0,0,0.8);
}

.service-card p {
    color: #e0e0e0;
    font-size: 1rem;
    line-height: 1.5;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

/* Specific Backgrounds */
.service-card.carpentry { background-image: url('assets/service_carpentry.png?v=2'); }
.service-card.renovations { background-image: url('assets/service_renovations.png?v=2'); }
.service-card.kitchens { background-image: url('assets/service_kitchens.png?v=2'); }
.service-card.structural { background-image: url('assets/service_structural.png?v=2'); }
.service-card.construction { background-image: url('assets/service_general.png?v=2'); }
.service-card.conversions { background-image: url('assets/service_conversions.png?v=2'); }

/* Projects */
.projects {
    padding: 5rem 0 10rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.project-item {
    position: relative;
    overflow: hidden;
}

.project-item img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    filter: grayscale(0.2);
    transition: var(--transition);
}

.project-item:hover img {
    filter: grayscale(0);
    transform: scale(1.05);
}

.project-info {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Before & After Slider */
.ba-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.ba-slider img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.before-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background-size: cover;
    background-position: left center;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.ba-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    opacity: 0;
    cursor: ew-resize;
    z-index: 10;
}

.ba-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: white;
    z-index: 5;
    pointer-events: none;
    transform: translateX(-50%);
}

.ba-arrows {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: white;
    color: black;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.how-it-works {
    padding: 10rem 0;
    background-color: var(--card-bg);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
}

.step {
    position: relative;
}

.step-num {
    font-size: 4rem;
    font-weight: 800;
    opacity: 0.1;
    position: absolute;
    top: -2rem;
    left: 0;
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.step p {
    color: var(--text-secondary);
}

/* Process Section */
.process {
    padding: 10rem 0;
    background-color: var(--bg-color);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.process-step {
    background-color: var(--card-bg);
    padding: 3rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.process-step:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.process-icon {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    letter-spacing: 0.2em;
}

.process-step h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.process-step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Testimonials */
.testimonials {
    padding: 10rem 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    padding: 2.5rem;
    border-left: 2px solid var(--accent-color);
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.testimonial-author {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Final CTA */
.final-cta {
    padding: 10rem 0;
    background-image: linear-gradient(rgba(12, 12, 12, 0.8), rgba(12, 12, 12, 0.8)), url('assets/hero_carpentry_high_end.png');
    background-size: cover;
    background-position: center;
    text-align: center;
}

.final-cta h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.final-cta p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.final-ctas {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* Contact Form */
.contact {
    padding: 10rem 0;
}

/* FAQ Section */
.faq {
    padding: 10rem 0;
    background-color: var(--card-bg);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-item:first-child {
    border-top: 1px solid var(--border-color);
}

.faq-question {
    width: 100%;
    padding: 2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--accent-color);
}

.faq-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-left: 1.5rem;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0.5;
    pointer-events: none;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    opacity: 1;
    color: var(--accent-color);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
}

.faq-item.active .faq-answer {
    max-height: 200px; /* Adjust based on content */
    padding-bottom: 2rem;
    opacity: 1;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.filtering-line {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.95rem;
}

.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input, textarea {
    width: 100%;
    background-color: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-bottom-color: var(--accent-color);
}

textarea {
    height: 120px;
    resize: none;
}

.submit-btn {
    width: 100%;
    cursor: pointer;
    border: none;
}

#form-result {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--whatsapp-color);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    z-index: 999;
}

/* Carousel Dots */
.carousel-dots {
    display: none;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 3rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--accent-color);
    transform: scale(1.3);
}

/* Areas We Cover SEO Section */
.areas {
    padding: 8rem 0;
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
}

.areas-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.areas-text p {
    color: var(--text-secondary);
    margin-bottom: 3.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.areas-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.area-tag {
    padding: 0.8rem 1.8rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition);
}

.area-tag:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    background-color: var(--card-bg);
    font-weight: 300;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
}

.footer-left {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-left p {
    margin-bottom: 0.75rem;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.social-heading {
    font-size: 0.75rem;
    letter-spacing: 0.2rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.instagram-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.instagram-link:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    transform: translateY(-3px);
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
}

.fade-up.active {
    opacity: 1;
    transform: translateY(0);
    transition: var(--transition);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* Responsive */
@media (max-width: 768px) {
    .container { padding: 0 1.5rem; }
    
    .hero h1 { font-size: 3rem; }
    
    .nav-links { display: none; }
    
    .trust-grid { 
        grid-template-columns: repeat(2, 1fr); 
        gap: 0; 
    }
    .trust-item { 
        padding: 2.5rem 1rem;
        border-right: none;
        border-bottom: none;
    }
    /* 2x2 Grid Border Logic */
    .trust-item:nth-child(1), .trust-item:nth-child(2) {
        border-bottom: 1px solid var(--border-color);
    }
    .trust-item:nth-child(odd) {
        border-right: 1px solid var(--border-color);
    }
    
    .services-grid { 
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 1.5rem;
        padding-bottom: 2rem;
        scrollbar-width: none;
    }
    .services-grid::-webkit-scrollbar { display: none; }
    
    .service-card {
        flex: 0 0 85%;
        scroll-snap-align: center;
    }
    
    .carousel-dots { display: flex; }
    
    .projects-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; gap: 2rem; }
    .steps-grid { grid-template-columns: 1fr; gap: 3rem; }
    
    .final-cta h2 { font-size: 2.5rem; }
    .final-ctas { flex-direction: column; }

    footer {
        padding: 2.5rem 0;
    }
}