:root {
  --bg-color: #f8fafc;
  --text-color: #0f172a;
  --header-bg: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --accent-blue: #2563eb;
  --accent-amber: #d97706;
  --accent-success: #16a34a;
  --accent-danger: #dc2626;
  --intro-bg: #eff6ff;
  --intro-border: #bfdbfe;
  --input-bg: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark {
  --bg-color: #0f172a;
  --text-color: #f8fafc;
  --header-bg: linear-gradient(135deg, #020617 0%, #0f172a 100%);
  --card-bg: #1e293b;
  --card-border: #334155;
  --accent-blue: #3b82f6;
  --accent-amber: #f59e0b;
  --intro-bg: rgba(30, 41, 59, 0.7);
  --intro-border: #334155;
  --input-bg: #0f172a;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; width: 100%; overflow-x: hidden;
  background-color: var(--bg-color); color: var(--text-color);
  font-family: 'Inter', sans-serif;
  transition: background-color 0.4s ease, color 0.4s ease;
}

.main-content { max-width: 1200px; margin: 0 auto; padding: 40px 20px; min-height: calc(100vh - 250px); }
.section-title { text-align: center; font-size: 28px; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.5px; }
.section-title i { color: var(--accent-blue); margin-right: 8px; }
.section-subtitle { text-align: center; color: #64748b; margin-bottom: 40px; font-size: 16px; }
body.dark .section-subtitle { color: #94a3b8; }

/* Шапка */
.site-header { background: var(--header-bg); padding: 15px 0; position: sticky; top: 0; z-index: 1000; box-shadow: var(--shadow-md); backdrop-filter: blur(8px); }
.header-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: block; text-align: center; }
@media (min-width: 768px) { .header-container { display: flex; justify-content: space-between; align-items: center; text-align: left; } }
.site-title { font-family: 'Orbitron', sans-serif; font-size: 32px; font-weight: 700; margin: 0; cursor: pointer; background: linear-gradient(90deg, #3b82f6, #f59e0b); -webkit-background-clip: text; -webkit-text-fill-color: transparent; display: inline-block; }
.site-nav { display: flex; gap: 10px; justify-content: center; align-items: center; margin-top: 15px; }
@media (min-width: 768px) { .site-nav { margin-top: 0; } }
.nav-link { color: #e2e8f0; text-decoration: none; padding: 8px 16px; border-radius: 8px; font-weight: 500; font-size: 14px; transition: var(--transition); display: flex; align-items: center; gap: 6px; }
.nav-link:hover, .nav-link.is-active { background: rgba(255, 255, 255, 0.15); color: #ffffff; }
.nav-link.is-active { border-bottom: 2px solid var(--accent-amber); border-radius: 8px 8px 0 0; }
.btn-toggle { background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2); font-size: 16px; cursor: pointer; padding: 8px 12px; border-radius: 8px; color: white; transition: var(--transition); }

/* Архитектура Изгледи */
.view { display: none; opacity: 0; transform: translateY(15px); transition: opacity 0.4s ease, transform 0.4s ease; }
.view.is-visible { display: block; opacity: 1; transform: translateY(0); }

/* Известия */
.notification { position: fixed; top: 80px; right: 20px; padding: 14px 24px; border-radius: 8px; color: white; font-weight: 500; box-shadow: var(--shadow-lg); z-index: 2000; transition: var(--transition); transform: translateX(0); }
.notification.hidden { transform: translateX(120%); opacity: 0; }
.notification.success { background-color: var(--accent-success); }
.notification.error { background-color: var(--accent-danger); }

/* Карти */
.intro-card { background: var(--intro-bg); border: 1px solid var(--intro-border); border-radius: 12px; padding: 24px; margin-bottom: 40px; }
.intro-card h2 { color: var(--accent-blue); margin-bottom: 12px; }
.intro-card p { margin: 0; line-height: 1.7; text-align: justify; }

/* Услуги */
.services-container { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.service { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; padding: 18px; cursor: pointer; box-shadow: var(--shadow-sm); transition: var(--transition); overflow: hidden; }
.service:hover { transform: translateY(-2px); border-color: var(--accent-blue); }
.service-title { display: flex; align-items: center; justify-content: space-between; font-size: 18px; font-weight: 600; margin: 0; }
.service-title-text { display: flex; align-items: center; gap: 12px; }
.service-title i { color: var(--accent-blue); font-size: 20px; }
.service-chevron { font-size: 14px; color: #64748b; transition: transform 0.3s ease; }
.service.is-active { border-left: 4px solid var(--accent-amber); }
.service.is-active .service-chevron { transform: rotate(180deg); }
.service-description { max-height: 0; opacity: 0; overflow: hidden; transition: max-height 0.3s ease, opacity 0.3s ease; color: #475569; line-height: 1.6; }
body.dark .service-description { color: #cbd5e1; }
.service.is-active .service-description { max-height: 300px; opacity: 1; margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--card-border); }

/* Мрежа Галерия */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; margin-bottom: 40px; }
.gallery-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; overflow: hidden; transition: var(--transition); }
.gallery-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.gallery-img-container { position: relative; height: 200px; background-color: #e2e8f0; cursor: pointer; overflow: hidden; }
.gallery-img-container img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.gallery-badge-overlay { position: absolute; bottom: 12px; left: 12px; background: rgba(15, 23, 42, 0.85); color: white; padding: 4px 10px; font-size: 11px; font-weight: 600; border-radius: 6px; backdrop-filter: blur(4px); }
.gallery-hover-prompt { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(37, 99, 235, 0.2); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); }
.gallery-img-container:hover .gallery-hover-prompt { opacity: 1; }
.gallery-hover-prompt i { color: white; font-size: 24px; background: rgba(0,0,0,0.5); padding: 12px; border-radius: 50%; }
.gallery-body { padding: 16px; }
.gallery-body h4 { margin: 0 0 6px 0; font-size: 16px; }
.gallery-body p { margin: 0; font-size: 13px; color: #64748b; }
body.dark .gallery-body p { color: #94a3b8; }

.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
.page-btn { background: var(--card-bg); border: 1px solid var(--card-border); color: var(--text-color); padding: 8px 14px; border-radius: 6px; cursor: pointer; transition: var(--transition); }
.page-btn:hover, .page-btn.active { background: var(--accent-blue); color: white; border-color: var(--accent-blue); }

/* Контакти */
.contact-wrapper { display: grid; grid-template-columns: 1fr; gap: 30px; }
@media (min-width: 992px) { .contact-wrapper { grid-template-columns: 4fr 6fr; } }
.contact-info-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; padding: 24px; }
.contact-info-card h3 { color: var(--accent-blue); margin-bottom: 20px; }
.contact-line { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.contact-line i { color: var(--accent-amber); width: 20px; }
.contact-note { font-size: 14px; color: #64748b; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--card-border); }
.contact-form { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; padding: 24px; display: flex; flex-direction: column; gap: 16px; }

.form-field span { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.form-field input, .form-field select, .form-field textarea { width: 100%; padding: 10px 14px; border: 1px solid var(--card-border); border-radius: 8px; background-color: var(--input-bg); color: var(--text-color); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 20px; font-size: 14px; font-weight: 600; border-radius: 8px; border: none; cursor: pointer; transition: var(--transition); }
.btn-primary { background: var(--accent-blue); color: white; }
.btn-success { background: var(--accent-success); color: white; }
.btn-danger { background: var(--accent-danger); color: white; }

/* Панел за управление */
.admin-box { max-width: 450px; margin: 40px auto; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; padding: 30px; box-shadow: var(--shadow-lg); }
.admin-dashboard-layout { display: grid; grid-template-columns: 1fr; gap: 24px; margin-top: 30px; }
@media (min-width: 768px) { .admin-dashboard-layout { grid-template-columns: 3fr 7fr; } }
.admin-sidebar { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.admin-tab-btn { background: transparent; border: 1px solid transparent; color: var(--text-color); padding: 10px 14px; border-radius: 8px; text-align: left; cursor: pointer; display: flex; align-items: center; gap: 8px; }
.admin-tab-btn:hover, .admin-tab-btn.is-active { background: rgba(37, 99, 235, 0.1); color: var(--accent-blue); font-weight: 600; }
.admin-content-area { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; padding: 24px; }
.admin-subview { display: none; }
.admin-subview.is-visible { display: block; }
.inquiries-list, .admin-gallery-list { display: flex; flex-direction: column; gap: 14px; }
.inquiry-item, .admin-gallery-item { border: 1px solid var(--card-border); background-color: var(--bg-color); border-radius: 8px; padding: 16px; }
.inquiry-meta { display: flex; justify-content: space-between; font-size: 12px; color: #64748b; margin-bottom: 8px; border-bottom: 1px solid var(--card-border); padding-bottom: 6px; }
.admin-gallery-item-content { display: flex; gap: 16px; align-items: center; }
.admin-gallery-thumb { width: 60px; height: 60px; object-fit: cover; border-radius: 6px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 576px) { .form-row { grid-template-columns: 1fr 1fr; } }
.admin-form-box { border: 1px dashed var(--card-border); padding: 16px; border-radius: 8px; }
.admin-services-editor-grid { display: flex; flex-direction: column; gap: 20px; }

/* Lightbox Pop-up */
.lightbox { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.96); z-index: 3000; display: flex; align-items: center; justify-content: center; }
.lightbox.hidden { display: none; }
.lightbox-close { position: absolute; top: 20px; right: 25px; color: #94a3b8; font-size: 40px; cursor: pointer; }
.lightbox-arrow { background: rgba(255, 255, 255, 0.1); border: none; color: white; font-size: 24px; padding: 15px 20px; cursor: pointer; border-radius: 8px; position: absolute; z-index: 3100; }
.lightbox-arrow:hover { background: var(--accent-blue); }
.arrow-left { left: 20px; }
.arrow-right { right: 20px; }
.lightbox-content-wrapper { max-width: 90%; max-height: 80vh; display: flex; flex-direction: column; align-items: center; position: relative; }
.lightbox-badge { position: absolute; top: 15px; left: 15px; color: white; padding: 6px 14px; font-size: 13px; font-weight: 700; border-radius: 6px; letter-spacing: 1px; }
.lightbox-content-wrapper img { max-width: 100%; max-height: 60vh; object-fit: contain; border-radius: 8px; cursor: pointer; }
.lightbox-info { background: #1e293b; width: 100%; padding: 16px 20px; border-radius: 0 0 8px 8px; color: white; margin-top: -4px; }
.lightbox-info h3 { margin: 0 0 6px 0; color: #3b82f6; }

/* Футер */
.site-footer { background: var(--card-bg); border-top: 1px solid var(--card-border); padding: 24px 0; margin-top: 60px; }
.footer-content { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: 12px; }
@media (min-width: 576px) { .footer-content { flex-direction: row; } }
.site-footer p { margin: 0; font-size: 14px; color: #64748b; }
.social-links a { color: var(--accent-blue); font-size: 18px; margin-left: 16px; }
.hidden { display: none !important; }
.loading-spinner { text-align: center; padding: 30px; color: #64748b; }

/* Мобилна оптимизация за навигационната лента */
@media (max-width: 600px) {
  .header-container {
    flex-direction: column;
    gap: 10px;
    padding: 10px;
  }

  .site-title {
    font-size: 1.5rem;
    text-align: center;
  }

  .site-nav {
    display: flex;
    flex-wrap: wrap; /* Позволява на бутоните да се прехвърлят на нов ред, ако няма място */
    justify-content: center;
    gap: 8px;
    width: 100%;
  }

  .nav-link {
    padding: 6px 10px;
    font-size: 0.85rem; /* Леко смаляваме шрифта на мобилни телефони */
    display: flex;
    align-items: center;
    gap: 4px; /* Намалява разстоянието между иконата и текста */
  }
}