/* ==========================================================================
   DERMILUNA — WHITE LUXURY CLINICAL STYLE (БІЛИЙ ПРЕМІУМ-СТИЛЬ)
   Захищений від примусового Dark Mode на Samsung Internet та Android Chrome.
   Побудований за мобільними стандартами FinishCenter.
   ========================================================================== */

:root {
  color-scheme: only light !important;
  
  /* Чиста біла та порцелянова палітра */
  --bg-body: #FFFFFF;
  --bg-subtle: #FAF8F5;
  --bg-card: #FFFFFF;
  --bg-topbar: #F5EFE6;
  --bg-badge: #F4ECE0;
  
  --text-main: #1C1917;
  --text-secondary: #57524E;
  --text-muted: #8C847E;
  --text-topbar: #443E3A;
  
  /* Шляхетне золото та шампань */
  --gold-primary: #B89248;
  --gold-hover: #9E7B35;
  --gold-light: #F7EFE0;
  --gold-border: rgba(184, 146, 72, 0.32);
  --gold-gradient: linear-gradient(135deg, #CBA65C 0%, #AD873E 100%);
  
  --border-light: #ECE6DE;
  --border-soft: #F2ECE4;
  
  --green-online: #16A34A;
  
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  --shadow-sm: 0 2px 8px rgba(35, 30, 25, 0.04);
  --shadow-md: 0 10px 30px rgba(35, 30, 25, 0.06);
  --shadow-gold: 0 4px 16px rgba(184, 146, 72, 0.28);
}

/* ==========================================================================
   ЗАХИСТ ВІД ПРИМУСОВОГО ТЕМНОГО РЕЖИМУ (SAMSUNG / ANDROID CHROMIUM)
   Декларуємо "only light", щоб рушій браузера не інвертував чистий білий стиль.
   ========================================================================== */
:root, html, body {
  color-scheme: only light !important;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent !important;
}

html {
  scroll-behavior: smooth;
  background-color: #FFFFFF !important;
  color-scheme: light !important;
}

body {
  font-family: var(--font-sans);
  background-color: #FFFFFF !important;
  /* Лінійний градієнт блокує інверсію фону в браузері Samsung Internet */
  background-image: linear-gradient(180deg, #FFFFFF 0%, #FAF8F5 100%) !important;
  background-attachment: fixed;
  color: var(--text-main) !important;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   1. СВІТЛА ВЕРХНЯ ШТОРКА (Utility Topbar — FinishCenter Style)
   ========================================================================== */
.topbar {
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border-light);
  font-size: 0.815rem;
  color: var(--text-topbar);
  padding: 0.45rem 1.5rem;
}

.topbar-container {
  max-width: 1360px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.topbar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  color: var(--text-main);
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: var(--green-online);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 6px var(--green-online);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

.topbar-announcement {
  color: var(--gold-hover);
  font-weight: 500;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-topbar);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.topbar-item:hover {
  color: var(--gold-hover);
}

.topbar-divider {
  opacity: 0.35;
}

/* ==========================================================================
   2. ГОЛОВНИЙ ХЕДЕР (Sticky White Header)
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  padding: clamp(0.5rem, 0.8vw, 0.85rem) clamp(1rem, 3vw, 2.5rem);
}

.nav-container {
  max-width: 1360px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1rem, 2vw, 2.5rem);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

/* FinishCenter pattern: незалежне керування відображенням десктопу та мобайлу */
.logo-desktop {
  display: block !important;
}

.logo-mobile {
  display: none !important;
}

.nav-logo img,
.nav-logo-img {
  /* Fluid dynamic scaling: плавно адаптується від 50px до 76px */
  height: clamp(50px, 4.2vw, 76px);
  width: auto;
  max-width: clamp(140px, 14vw, 230px);
  object-fit: contain;
  transition: transform 0.2s ease;
}

.nav-logo:hover img,
.nav-logo:hover .nav-logo-img {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.925rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.nav-menu a:hover {
  color: var(--gold-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.6rem;
  background: var(--gold-gradient);
  color: #FFFFFF;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: var(--shadow-gold);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.nav-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(184, 146, 72, 0.4);
}

/* ==========================================================================
   3. HERO (EDITORIAL CLINICAL WHITE HERO)
   ========================================================================== */
main {
  flex: 1;
}

.hero-wrap {
  max-width: 1280px;
  margin: 3.5rem auto 4.5rem;
  padding: 0 1.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 4rem;
}

.brand-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.2rem;
  background: var(--bg-badge);
  color: var(--gold-hover);
  border-radius: 9999px;
  font-size: 0.785rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  border: 1px solid var(--gold-border);
}

.hero-title-brand {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 500;
  line-height: 1.12;
  color: var(--text-main);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.hero-title-sub {
  display: block;
  font-family: var(--font-sans);
  font-size: 1.45rem;
  font-weight: 400;
  color: var(--gold-hover);
  margin-top: 0.5rem;
  line-height: 1.35;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.25rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.btn-primary-luxury {
  padding: 0.95rem 2.2rem;
  background: var(--gold-gradient);
  color: #FFFFFF;
  text-decoration: none;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.975rem;
  box-shadow: var(--shadow-gold);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.btn-primary-luxury:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(184, 146, 72, 0.45);
}

.btn-secondary-luxury {
  padding: 0.95rem 2rem;
  background: #FFFFFF;
  color: var(--text-main);
  text-decoration: none;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.975rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.btn-secondary-luxury:hover {
  border-color: var(--gold-primary);
  color: var(--gold-hover);
  transform: translateY(-2px);
}

.hero-tags {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.hero-tag-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-tag-item::before {
  content: '✓';
  color: var(--gold-primary);
  font-weight: bold;
}

/* HERO RIGHT: ЧИСТИЙ БІЛИЙ АРТ-ФРЕЙМ */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-art-frame {
  width: 100%;
  max-width: 420px;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 28px;
  padding: 3rem 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.hero-art-mark {
  max-width: 270px;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 20px rgba(184, 146, 72, 0.15));
  transition: transform 0.4s ease;
}

.hero-art-mark:hover {
  transform: scale(1.03);
}

.hero-art-caption {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}

/* ==========================================================================
   4. СТОВПИ ДОВІРИ (White Trust Strip)
   ========================================================================= */
.trust-strip {
  max-width: 1280px;
  margin: 0 auto 5rem;
  padding: 0 1.5rem;
}

.trust-inner {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 22px;
  padding: 2.25rem 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
}

.trust-icon {
  font-size: 1.85rem;
  line-height: 1;
}

.trust-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.trust-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   5. НАПРЯМКИ
   ========================================================================== */
.content-section {
  max-width: 1280px;
  margin: 0 auto 5rem;
  padding: 0 1.5rem;
}

.section-head {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 2.5rem 2.25rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-primary);
}

.card-num {
  font-family: var(--font-serif);
  color: var(--gold-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.card-heading {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.card-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   6. ПІДВАЛ (Clean White/Cream Footer)
   ========================================================================== */
.footer {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border-light);
  padding: 4rem 1.5rem 2.5rem;
  margin-top: 5rem;
  text-align: center;
}

.footer-content {
  max-width: 900px;
  margin: 0 auto;
}

.footer-wordmark {
  max-width: 170px;
  height: auto;
  margin-bottom: 1.25rem;
  opacity: 0.95;
}

.footer-wordmark.logo-desktop {
  display: inline-block !important;
}

.footer-wordmark.logo-mobile {
  display: none !important;
}

.footer-badge {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.footer-contacts {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-contact-link {
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.footer-contact-link:hover {
  color: var(--gold-hover);
}

.footer-rights {
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* ==========================================================================
   МОБІЛЬНИЙ РЕЖИМ (ФОКУС НА SAMSUNG ТА СМАРТФОНИ)
   ========================================================================== */
@media (max-width: 860px) {
  /* Мобільна шторка — акуратний контрольований рядок */
  .topbar {
    padding: 0.45rem 1rem;
  }
  .topbar-right {
    display: none;
  }
  .topbar-container {
    justify-content: center;
    text-align: center;
  }
  .topbar-announcement {
    display: inline-block;
    font-size: 0.775rem;
  }
  
  /* Мобільний хедер: компактні та вивірені пропорції */
  .header {
    padding: 0.6rem 1rem;
    background: #FFFFFF;
  }
  .nav-menu {
    display: none;
  }
  
  /* FinishCenter pattern: на мобільних пристроях показуємо logo-mobile і ховаємо logo-desktop */
  .logo-desktop {
    display: none !important;
  }
  
  .logo-mobile {
    display: block !important;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.4));
  }

  .footer-wordmark.logo-desktop {
    display: none !important;
  }

  .footer-wordmark.logo-mobile {
    display: inline-block !important;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.4));
  }
  
  /* Логотип на смартфоні — чіткий і пропорційний */
  .nav-logo img,
  .nav-logo-img {
    height: 48px;
    max-width: 170px;
  }
  
  /* Кнопка на смартфоні — не роздута, витончена капсула */
  .nav-cta-btn {
    padding: 0.5rem 1.15rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 9999px;
  }
  
  /* Hero адаптивність */
  .hero-wrap {
    margin: 2rem auto 3rem;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .hero-title-brand {
    font-size: 2.6rem;
  }
  .hero-title-sub {
    font-size: 1.2rem;
  }
  .hero-lead {
    font-size: 1rem;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
    gap: 0.75rem;
  }
  .btn-primary-luxury, .btn-secondary-luxury {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1.5rem;
    font-size: 0.925rem;
  }
  .hero-tags {
    justify-content: center;
    gap: 1rem;
    font-size: 0.8rem;
  }
  
  .hero-art-frame {
    padding: 2rem 1.5rem;
    max-width: 320px;
    margin: 0 auto;
  }
  .hero-art-mark {
    max-width: 200px;
  }
  
  .trust-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.75rem 1.5rem;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
}