/*
 * Theme styles for the Luxury Interiors site
 *
 * The layout was crafted to mirror the structure of an upscale interior design studio,
 * with a minimalist aesthetic and warm accents. Responsiveness is achieved via
 * CSS Grid, Flexbox and media queries. To maximize Lighthouse scores, no
 * external font files are loaded; instead, system fonts are used throughout.
 */

/* CSS reset and base styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
        Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    /* Use a deep charcoal for primary text to improve contrast */
    color: var(--secondary);
    line-height: 1.6;
    /* Off‑white background gives a luxe, warm feel */
    background-color: var(--light);
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    /* Use a classic serif for headings to evoke sophistication */
    font-family: 'Georgia', serif;
    font-weight: 600;
    line-height: 1.2;
    color: var(--secondary);
}

/* Variables for easy colour management */
:root {
    /* Colour palette inspired by the Dkor Interiors reference site.  
       Shades of green and warm neutrals convey a feeling of luxury and calm. */
    --primary: #5b7754;    /* deep muted green for buttons and highlights */
    --secondary: #333333;  /* dark grey for primary text */
    --light: #f9f8f6;      /* off‑white background for pages */
    --accent: #7b9470;     /* lighter green used on hover states */
    --muted: #f2f0ed;      /* very light grey for section backgrounds */
    --border: #dcd8cf;     /* soft beige for subtle borders */
}

/* Utility classes */
.container {
    width: min(90%, 1200px);
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--primary);
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
    text-align: center;
}

.primary-btn {
    background-color: var(--primary);
    color: var(--light);
}
.primary-btn:hover,
.primary-btn:focus {
    background-color: var(--accent);
}

.secondary-btn {
    background-color: transparent;
    color: var(--primary);
}
.secondary-btn:hover,
.secondary-btn:focus {
    background-color: var(--primary);
    color: var(--light);
}

/* Header and Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--light);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--secondary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}
.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--secondary);
    border-radius: 1px;
    transition: transform 0.3s, opacity 0.3s;
}

nav {
    display: flex;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    margin-left: auto;
}

.nav-list li a {
    font-weight: 500;
    padding: 0.5rem 0;
    color: var(--secondary);
    transition: color 0.3s;
}
.nav-list li a:hover,
.nav-list li a:focus {
    color: var(--primary);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--light);
    text-align: center;
    padding: 2rem 1rem;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Slightly lighter overlay for improved legibility without darkening images excessively */
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
}

.hero p {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    margin-bottom: 2rem;
}

.hero .buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections */
section {
    padding: 4rem 0;
}

section h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 2rem;
    color: #555;
    font-size: 1rem;
}

/* Services Section */
.services {
    background-color: var(--muted);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}
.service-card {
    background-color: var(--light);
    padding: 2rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.service-card .icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    color: var(--primary);
}
.service-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    color: var(--secondary);
}
.service-card p {
    font-size: 0.95rem;
    color: #555;
}

/* Portfolio Section */
.portfolio {
    background-color: var(--light);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    background-color: var(--muted);
}
.project-card img {
    width: 100%;
    display: block;
    transition: transform 0.5s;
}
.project-card:hover img {
    transform: scale(1.05);
}
.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.6);
    color: var(--light);
    padding: 1rem;
    transition: transform 0.3s;
    transform: translateY(100%);
}
.project-card:hover .project-info {
    transform: translateY(0);
}
.project-info h3 {
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}
.project-info p {
    font-size: 0.9rem;
}

/* About Section */
.about {
    background-color: var(--muted);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
}

.about-content img {
    flex: 1 1 45%;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.about-text {
    flex: 1 1 45%;
}
.about-text h3 {
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
    color: var(--secondary);
}
.about-text p {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: #555;
}

/* Testimonials Section */
.testimonials {
    background-color: var(--light);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.testimonial-card {
    background-color: var(--muted);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.testimonial-card .quote {
    font-style: italic;
    margin-bottom: 1rem;
    color: #444;
}
.testimonial-card .author {
    font-weight: 600;
    color: var(--secondary);
}

/* Contact Section */
.contact {
    background-color: var(--muted);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}
.form-group.full-width {
    grid-column: 1 / -1;
}
.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--secondary);
}
.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
    color: var(--secondary);
    background-color: var(--light);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.contact form button {
    grid-column: 1 / -1;
    justify-self: center;
    margin-top: 1rem;
}

/* Footer */
footer {
    background-color: #222;
    color: #ddd;
    padding: 2rem 0 1rem;
}
.footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
}
.footer-about,
.footer-contact,
.footer-social {
    flex: 1 1 250px;
}
.footer-about h3 {
    margin-bottom: 0.5rem;
    color: #fff;
}
.footer-about p {
    color: #bbb;
    font-size: 0.9rem;
}
.footer-contact h4,
.footer-social h4 {
    margin-bottom: 0.5rem;
    font-size: 1rem;
    color: #fff;
}
.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}
.footer-contact a {
    color: #bbb;
}

.social-links {
    display: flex;
    gap: 0.5rem;
}
.social-icon {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    color: #fff;
    transition: background-color 0.3s;
}
.social-icon:hover {
    background-color: rgba(255,255,255,0.2);
}
.footer-bottom {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #777;
}

/* Responsive styles */
@media (max-width: 768px) {
    .nav-list {
        position: absolute;
        top: 100%;
        right: 0;
        background-color: var(--light);
        flex-direction: column;
        width: 200px;
        border: 1px solid var(--border);
        box-shadow: 0 2px 6px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s, opacity 0.3s;
    }
    nav.open .nav-list {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .menu-toggle {
        display: flex;
    }
    nav {
        position: relative;
    }
    .nav-list li {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--border);
    }
    .nav-list li a {
        width: 100%;
        display: block;
    }
}

@media (max-width: 600px) {
    .about-content {
        flex-direction: column;
    }
    .footer-container {
        flex-direction: column;
        align-items: flex-start;
    }
    .footer-contact,
    .footer-social {
        margin-top: 1rem;
    }
}
/* ===================== CASE (namespaced, safe) ===================== */
/* Полностью опираемся на вашу палитру/контейнеры (var(--primary), .container и т.д.) */

.case-hero { background-size: cover; background-position: center; }
.case-hero .hero-content p { max-width: 60ch; margin-left:auto; margin-right:auto; }

/* Highlight под Hero (два лучших кадра) */
.case-highlight { padding: 1.25rem 0 0; }
.case-highlight-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.case-hl-item, .case-card.case-hl-item {
  display: block; background: var(--muted);
  border: 1px solid var(--border); border-radius: 8px; padding: .5rem;
}
.case-hl-item img {
  display: block; width: 100%; height: auto;
  max-height: clamp(220px, 40vh, 420px); object-fit: contain;
}

/* Мета + табы (визуальная навигация) */
.case-meta { padding: 2rem 0 1rem; }
.case-meta-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(160px,1fr));
}
.case-meta-item {
  background: var(--muted); border:1px solid var(--border);
  border-radius: 8px; padding: 1rem; text-align: center;
}
.case-meta-item h4 { font-size:.95rem; margin-bottom:.35rem; color:#555; font-weight:600; }
.case-meta-item p { color: var(--secondary); }

.case-tabs {
  display:flex; gap:.75rem; justify-content:center; flex-wrap:wrap;
  margin: 1rem auto 2rem; padding:0 1rem;
}
.case-tabs a {
  display:inline-block; text-decoration:none;
  border:1px solid var(--primary); color:var(--primary);
  padding:.5rem .9rem; border-radius:999px; font-size:.95rem;
}
.case-tabs a:hover, .case-tabs a:focus { background:var(--primary); color:var(--light); }

/* Краткий бриф */
.case-brief { padding: 1rem 0 0; }
.case-brief-grid { display:grid; gap:1rem; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); align-items:center; }
.case-bullets, .case-checks { margin:.5rem 0 0 1rem; }
.case-bullets li, .case-checks li { margin:.25rem 0; }

/* ===== Галереи “по два фото” (как у вас), но управляем размером по секциям ===== */
.case-section { padding: 2rem 0; }
.case-h3 { text-align:center; margin-bottom:.5rem; }
.case-intro { text-align:center; margin-bottom:1.25rem; color:#666; }

.case-grid.two .case-row { display:grid; grid-template-columns:repeat(2,1fr); gap:.75rem; }

/* Высоты превью через переменную — разная для before / viz / completed */
.case-grid.two { --case-card-max: 320px; } /* дефолт */
.case-grid.two[data-group="before"]    { --case-card-max: 240px; } /* меньше */
.case-grid.two[data-group="viz"]       { --case-card-max: 260px; } /* средне */
.case-grid.two[data-group="completed"] { --case-card-max: 420px; } /* больше (продающее) */

.case-card {
  position:relative; display:flex; align-items:center; justify-content:center;
  background: var(--muted); border:1px solid var(--border);
  border-radius:8px; padding:.4rem; overflow:hidden;
  max-height: var(--case-card-max);
}
.case-card img {
  width:100%; height:auto;
  max-height: calc(var(--case-card-max) - .8rem);
  object-fit: contain; transition: transform .25s ease, filter .25s ease;
}

/* Плюсик-подсказка “можно открыть” */
.case-card::after{
  content:"+"; position:absolute; right:.5rem; bottom:.5rem; width:28px; height:28px; line-height:28px;
  border-radius:50%; text-align:center; font-weight:600; font-size:18px;
  background:rgba(0,0,0,.6); color:#fff; opacity:0; transform:translateY(6px);
  transition:opacity .2s ease, transform .2s ease; pointer-events:none; z-index:2;
}
@media (hover:hover) and (pointer:fine){
  .case-card:hover::after{ opacity:1; transform:translateY(0); }
  .case-card:hover img{ transform:scale(1.03); filter:brightness(.95); }
}
@media (hover:none) and (pointer:coarse){ .case-card::after{ opacity:1; transform:translateY(0); } }

/* Адаптив: приоритет сохраняем */
@media (max-width:768px){
  .case-grid.two[data-group="before"]    { --case-card-max: 200px; }
  .case-grid.two[data-group="viz"]       { --case-card-max: 220px; }
  .case-grid.two[data-group="completed"] { --case-card-max: 360px; }
}

/* ===== Изолированная модалка ===== */
.case-lightbox{
  position:fixed; inset:0; display:none; align-items:center; justify-content:center;
  background:rgba(0,0,0,.85); z-index:9999; padding:1rem;
}
.case-lightbox.is-open{ display:flex; }
.case-lightbox img{
  max-width:min(92vw,1400px); max-height:88vh; width:auto; height:auto; object-fit:contain;
  border-radius:6px; box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.case-lightbox .clb-close,.case-lightbox .clb-prev,.case-lightbox .clb-next{
  position:absolute; top:50%; transform:translateY(-50%);
  background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.25);
  color:#fff; padding:.6rem .8rem; border-radius:999px; cursor:pointer; user-select:none; backdrop-filter:blur(4px);
}
.case-lightbox .clb-close{ top:5%; right:3%; transform:none; }
.case-lightbox .clb-prev{ left:2%; }
.case-lightbox .clb-next{ right:2%; }
/* ===== HERO: белый текст поверх фонового изображения ===== */
.hero h1,
.hero h2,
.hero h3,
.hero p,
.hero a,
.hero .btn {
  color: #fff !important;
  text-shadow: 0 2px 6px rgba(0,0,0,0.4); /* улучшает читаемость на фоне */
}

.hero .primary-btn {
  background-color: var(--primary);
  color: #fff !important;
}
.hero .primary-btn:hover {
  background-color: var(--accent);
}