:root {
    --deep-ink: #111318;
    --charcoal: #1B1E24;
    --warm-ivory: #F5F2EA;
    --soft-grey: #A8ADB5;
    --light-grey: #E2E4E9;
    --gallery-white: #FFFFFF;
    --muted-gold: #C9A96E;
    --muted-gold-hover: #b39561;
    --muted-gold-dark: #735A2F;
    --accent-blue: #95AAC9;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--deep-ink);
    color: var(--gallery-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
ul, ol, li { color: var(--gallery-white); }

/* Typography & Links */
h1, h2, h3, h4, h5, h6 { 
    font-weight: 500; 
    line-height: 1.2; 
    margin-bottom: 1rem; 
    color: var(--gallery-white);
}
h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }

p { margin-bottom: 1.5rem; color: var(--gallery-white); font-size: 1.125rem; }

a { text-decoration: none; color: var(--gallery-white); transition: var(--transition); }
a:visited { color: var(--gallery-white); }
a:hover, a:focus { color: var(--muted-gold); outline: none; }
a:active { color: var(--muted-gold-hover); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 2px;
    color: var(--gallery-white);
}
.btn:visited { color: var(--gallery-white); }

.btn-primary {
    background-color: var(--muted-gold);
    color: var(--deep-ink);
}
.btn-primary:visited { color: var(--deep-ink); }
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--muted-gold-hover);
    color: var(--deep-ink);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--gallery-white);
    color: var(--gallery-white);
}
.btn-outline:visited { color: var(--gallery-white); }
.btn-outline:hover, .btn-outline:focus {
    border-color: var(--gallery-white);
    background-color: var(--gallery-white);
    color: var(--deep-ink);
}

.btn-dark {
    background-color: var(--deep-ink);
    color: var(--gallery-white);
}
.btn-dark:visited { color: var(--gallery-white); }

.btn:disabled {
    background-color: var(--soft-grey);
    color: var(--deep-ink);
    cursor: not-allowed;
    border-color: var(--soft-grey);
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(17, 19, 24, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.2);
}
.header-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.brand-logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--gallery-white);
    text-transform: uppercase;
}
.brand-logo:visited { color: var(--gallery-white); }
.main-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}
.nav-links {
    display: flex;
    gap: 2rem;
}
.nav-links a {
    font-size: 0.95rem;
    color: var(--gallery-white);
}
.nav-links a:visited { color: var(--gallery-white); }
.nav-links a:hover, .nav-links a:focus { color: var(--muted-gold); }
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--gallery-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Layout Utilities & Light Sections */
.section-padding { padding: 6rem 2rem; }
.container { max-width: 1200px; margin: 0 auto; }
.text-center { text-align: center; }

.light-section { background-color: var(--warm-ivory); color: var(--deep-ink); }
.light-section h1, .light-section h2, .light-section h3, .light-section h4, .light-section h5, .light-section h6 { color: var(--deep-ink); }
.light-section p, .light-section ul, .light-section ol, .light-section li { color: var(--deep-ink); }
.light-section a { color: var(--deep-ink); }
.light-section a:visited { color: var(--deep-ink); }
.light-section a:hover, .light-section a:focus { color: var(--muted-gold-dark); }

/* Hero */
.hero-section {
    padding: 12rem 2rem 8rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1440px;
    margin: 0 auto;
}
.hero-label {
    display: inline-block;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 1rem;
    border: 1px solid var(--accent-blue);
    padding: 0.25rem 0.75rem;
}
.hero-actions { display: flex; gap: 1rem; margin-top: 2rem; }

/* Before/After Slider */
.ba-slider-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    aspect-ratio: 4/3;
    border-radius: 4px;
}
.ba-image, .ba-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.ba-image-overlay {
    width: 50%;
    border-right: 2px solid var(--muted-gold);
}
.ba-slider-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: ew-resize;
    z-index: 10;
}
.slider-label {
    position: absolute;
    bottom: 1rem;
    background: rgba(17, 19, 24, 0.85);
    color: var(--gallery-white);
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    border-radius: 2px;
}
.label-before { left: 1rem; }
.label-after { right: 1rem; }

/* Service Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}
.service-card {
    background-color: var(--charcoal);
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}
.service-card:hover { transform: translateY(-5px); border-color: var(--muted-gold); }
.service-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.service-card-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.service-card-content h3 { margin-bottom: 0.5rem; color: var(--gallery-white); }
.service-card-content p { font-size: 1rem; flex-grow: 1; margin-bottom: 2rem; color: var(--gallery-white); }

/* Process Section */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}
.process-step { border-top: 1px solid var(--soft-grey); padding-top: 1.5rem; }
.process-step-num { color: var(--muted-gold-dark); font-weight: 700; margin-bottom: 1rem; display: block; }
.process-step h4 { margin-bottom: 0.5rem; }
.process-step p { font-size: 0.95rem; }

/* Interactive Quality Guide */
.quality-guide-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}
.quality-card {
    background: var(--charcoal);
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.2);
    cursor: pointer;
    transition: var(--transition);
    color: var(--gallery-white);
}
.quality-card.active { border-color: var(--muted-gold); background: #22262d; }
.quality-card-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    color: var(--gallery-white);
}
.quality-card-desc {
    margin-top: 1rem;
    display: none;
    font-size: 0.95rem;
    color: var(--light-grey);
}
.quality-card.active .quality-card-desc { display: block; }
.icon-plus::after { content: '+'; color: var(--muted-gold); font-size: 1.25rem; }
.quality-card.active .icon-plus::after { content: '−'; }

/* FAQ */
.faq-container { max-width: 800px; margin: 3rem auto 0; }
.faq-item {
    border-bottom: 1px solid rgba(255,255,255,0.2);
}
.light-section .faq-item {
    border-bottom: 1px solid rgba(0,0,0,0.2);
}
.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--gallery-white);
    font-size: 1.125rem;
    padding: 1.5rem 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.light-section .faq-question {
    color: var(--deep-ink);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.faq-answer p { padding-bottom: 1.5rem; margin: 0; color: var(--gallery-white); }
.light-section .faq-answer p { color: var(--deep-ink); }
.faq-item.active .faq-answer { max-height: 500px; }
.faq-item.active .faq-question { color: var(--muted-gold); }
.light-section .faq-item.active .faq-question { color: var(--muted-gold-dark); }

/* Contact Form */
.contact-container { max-width: 600px; margin: 0 auto; }
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; margin-bottom: 0.5rem; font-size: 0.875rem; color: var(--gallery-white); }
.form-control {
    width: 100%;
    padding: 1rem;
    background: var(--charcoal);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--gallery-white);
    font-family: inherit;
    font-size: 1rem;
    border-radius: 2px;
}
.form-control::placeholder {
    color: var(--light-grey);
    opacity: 1;
}
.form-control:focus { outline: none; border-color: var(--muted-gold); box-shadow: 0 0 0 1px var(--muted-gold); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-message { 
    display: none; 
    padding: 1rem; 
    margin-top: 1rem; 
    background: rgba(201, 169, 110, 0.2); 
    border: 1px solid var(--muted-gold); 
    color: var(--gallery-white); 
    text-align: center; 
}

/* Service Pages */
.service-hero {
    padding: 10rem 2rem 6rem;
    background: linear-gradient(rgba(17, 19, 24, 0.8), rgba(17, 19, 24, 1)), url('images/photo-1598488035139-bdbb2231ce04.png') center/cover;
    text-align: center;
}
.service-hero h1, .service-hero p { color: var(--gallery-white); }
.service-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}
.service-sidebar { position: sticky; top: 100px; }
.related-services-list { margin-top: 1.5rem; }
.related-services-list li { margin-bottom: 0.75rem; }
.related-services-list a { color: var(--accent-blue); text-decoration: underline; }
.related-services-list a:visited { color: var(--accent-blue); }
.related-services-list a:hover, .related-services-list a:focus { color: var(--muted-gold); text-decoration: underline; }
.service-detail-img { width: 100%; border-radius: 4px; margin: 2rem 0; }

/* Footer */
.site-footer {
    background-color: var(--deep-ink);
    padding: 5rem 2rem 2rem;
    border-top: 1px solid rgba(255,255,255,0.2);
    color: var(--gallery-white);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    max-width: 1440px;
    margin: 0 auto;
    margin-bottom: 4rem;
}
.footer-col h4 { color: var(--gallery-white); margin-bottom: 1.5rem; font-size: 1.125rem; }
.footer-col p, .footer-col a { color: var(--gallery-white); font-size: 0.95rem; display: block; margin-bottom: 0.75rem; }
.footer-col a:visited { color: var(--gallery-white); }
.footer-col a:hover, .footer-col a:focus { color: var(--muted-gold); }
.footer-bottom {
    max-width: 1440px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--gallery-white);
    font-size: 0.875rem;
}
.footer-bottom p { margin-bottom: 0; color: var(--gallery-white); }
.footer-address {
    color: var(--gallery-white);
    font-weight: bold;
    padding: 0.5rem 0;
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: 600px;
    background: var(--charcoal);
    border: 1px solid rgba(255,255,255,0.3);
    padding: 2rem;
    z-index: 9999;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    display: none;
    border-radius: 4px;
    color: var(--gallery-white);
}
.cookie-popup h3 { margin-bottom: 1rem; color: var(--gallery-white); }
.cookie-popup p { font-size: 0.9rem; margin-bottom: 1.5rem; color: var(--gallery-white); }
.cookie-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 1024px) {
    .hero-section, .service-content-grid { grid-template-columns: 1fr; gap: 2rem; }
    .hero-section { padding-top: 8rem; text-align: center; }
    .hero-actions { justify-content: center; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .main-nav { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: var(--charcoal); padding: 2rem; flex-direction: column; align-items: flex-start; border-bottom: 1px solid rgba(255,255,255,0.2); z-index: 999; }
    .main-nav.active { display: flex; }
    .nav-links { flex-direction: column; gap: 1rem; width: 100%; }
    .menu-toggle { display: block; }
    .quality-guide-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}
@media (max-width: 480px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; }
}