/* ============================================================================
   style.css — спільні стилі клініки Saniva
   Палітра: білий фон + м'ятно-бірюзовий акцент (довіра, спокій) + теплий
   корал-рожевий для CTA-кнопок. Навмисно контрастує з чорно-золотим
   барбершопом і темно-синім пабом з попередніх демо-проєктів портфоліо.
   ============================================================================ */

:root {
  /* Основна палітра */
  --color-bg: #ffffff;
  --color-bg-soft: #f2fbf9;
  --color-bg-alt: #eaf7f4;
  --color-mint: #6fd6c4;
  --color-mint-dark: #38ab99;
  --color-coral: #ff8c7a;
  --color-coral-dark: #f2694f;
  /* "Deep" відтінки — спеціально затемнені варіанти mint/coral, що гарантують
     контраст тексту >= 4.5:1 (WCAG AA) на світлому фоні або з білим текстом
     поверх кольорового фону. --color-mint-dark/--color-coral-dark цього порогу
     не досягають як текст (контраст ~2.8-3.0:1), тому для будь-якого тексту
     використовуємо саме deep-варіанти, а не "dark". */
  --color-mint-deep: #1f6f5c;
  --color-mint-deep-2: #17594a;
  --color-coral-deep: #b83d29;
  --color-coral-deep-2: #9c341f;
  --color-text: #21322f;
  --color-text-muted: #62766f;
  --color-border: #e1f0ec;
  --color-white: #ffffff;

  /* Типографіка */
  --font-main: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

  /* Тіні та радіуси */
  --shadow-soft: 0 8px 24px rgba(56, 171, 153, 0.12);
  --shadow-card: 0 4px 16px rgba(33, 50, 47, 0.06);
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --container-width: 1200px;
}

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

html { scroll-behavior: smooth; }

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

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

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

ul { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

input, select, textarea { font-family: inherit; font-size: 1rem; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 72px 0; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: var(--color-text); }

h1 { font-size: 2.6rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.3rem; }

.section-title { text-align: center; margin-bottom: 12px; }
.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
}

.eyebrow {
  display: inline-block;
  color: var(--color-mint-deep);
  background: var(--color-bg-alt);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-coral-deep), var(--color-coral-deep-2));
  color: var(--color-white);
  box-shadow: 0 10px 24px rgba(184, 61, 41, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(184, 61, 41, 0.36); }

.btn-secondary {
  background: var(--color-white);
  color: var(--color-mint-deep);
  border: 2px solid var(--color-mint);
}
.btn-secondary:hover { background: var(--color-bg-alt); transform: translateY(-2px); }

.btn-block { width: 100%; }
.btn:disabled { opacity: 0.65; cursor: not-allowed; transform: none !important; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-mint-deep);
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-mint), var(--color-mint-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 800;
  flex-shrink: 0;
}

.logo-text-sub { display: block; font-size: 0.65rem; font-weight: 500; color: var(--color-text-muted); letter-spacing: 0.05em; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}

.nav-links a {
  padding: 10px 16px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
  font-weight: 600;
  color: var(--color-text-muted);
  transition: background 0.2s ease, color 0.2s ease;
  box-sizing: border-box;
}

.nav-links a:hover { color: var(--color-mint-deep); background: var(--color-bg-alt); }

.nav-links a.active { color: var(--color-mint-deep); background: var(--color-bg-alt); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 12px;
}

.lang-switch {
  display: flex;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.lang-switch button {
  padding: 7px 15px;
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-muted);
  transition: background 0.2s ease, color 0.2s ease;
}

.lang-switch button.active {
  background: var(--color-mint-deep);
  color: var(--color-white);
}

.nav-cta { display: inline-flex; }

.hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
}

.hamburger span {
  width: 24px;
  height: 2.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 96px;
  background:
    radial-gradient(circle at 85% 20%, rgba(111, 214, 196, 0.16), transparent 55%),
    radial-gradient(circle at 10% 90%, rgba(255, 140, 122, 0.12), transparent 50%),
    var(--color-bg-soft);
  text-align: center;
}

.hero h1 { max-width: 780px; margin: 0 auto 20px; }

.hero p.hero-subtitle {
  max-width: 600px;
  margin: 0 auto 32px;
  color: var(--color-text-muted);
  font-size: 1.15rem;
}

.page-hero {
  padding: 64px 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(111, 214, 196, 0.16), transparent 55%),
    var(--color-bg-soft);
  text-align: center;
}
.page-hero h1 { margin-bottom: 12px; }
.page-hero p { color: var(--color-text-muted); font-size: 1.1rem; max-width: 620px; margin: 0 auto; }

/* ---------- Advantages / Cards grid ---------- */
.advantages-grid,
.reviews-grid,
.team-grid,
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.reviews-grid { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-bg-alt);
  color: var(--color-mint-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.card h3 { margin-bottom: 10px; }
.card p { color: var(--color-text-muted); font-size: 0.96rem; }

/* ---------- Services teaser (home) ---------- */
.teaser-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.teaser-card {
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.teaser-card.dental { background: linear-gradient(135deg, var(--color-mint-deep), var(--color-mint-deep-2)); }
.teaser-card.cosmetology { background: linear-gradient(135deg, var(--color-coral-deep), var(--color-coral-deep-2)); }

.teaser-card h3 { color: var(--color-white); font-size: 1.5rem; margin-bottom: 8px; }
.teaser-card p { color: rgba(255, 255, 255, 0.9); margin-bottom: 0; }

.teaser-actions { text-align: center; margin-top: 40px; }

/* ---------- Reviews ---------- */
.review-card .review-stars { color: var(--color-coral-deep); margin-bottom: 12px; font-size: 1rem; letter-spacing: 2px; }
.review-card .review-name { font-weight: 700; margin-top: 16px; color: var(--color-mint-deep); }

/* ---------- Services page ---------- */
.services-category { padding: 56px 0; }
.services-category:nth-of-type(odd) { background: var(--color-bg-soft); }

.category-header { text-align: center; margin-bottom: 40px; }
.category-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 14px;
}
.category-badge.dental { background: var(--color-bg-alt); color: var(--color-mint-deep); }
.category-badge.cosmetology { background: #fff0ec; color: var(--color-coral-deep); }

.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.service-item:hover { box-shadow: var(--shadow-soft); transform: translateY(-3px); }

.service-item-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.service-item-head h3 { font-size: 1.1rem; }

.service-price {
  flex-shrink: 0;
  background: var(--color-bg-alt);
  color: var(--color-mint-deep);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.service-item p { color: var(--color-text-muted); font-size: 0.95rem; }

.cta-banner {
  text-align: center;
  background: linear-gradient(135deg, var(--color-mint-deep), var(--color-mint-deep-2));
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  margin: 64px auto 0;
  max-width: var(--container-width);
}
.cta-banner h2 { color: var(--color-white); margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.9); max-width: 520px; margin: 0 auto 28px; }
.cta-banner .btn-primary { box-shadow: 0 10px 24px rgba(0,0,0,0.18); }

/* ---------- About page ---------- */
.history-block {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.team-grid { grid-template-columns: repeat(4, 1fr); }

.doctor-card { text-align: center; }
.doctor-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-mint-deep), var(--color-coral-deep));
  color: var(--color-white);
  font-weight: 800;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.doctor-card h3 { margin-bottom: 4px; }
.doctor-role { color: var(--color-mint-deep); font-weight: 600; font-size: 0.92rem; margin-bottom: 6px; }
.doctor-exp { color: var(--color-text-muted); font-size: 0.88rem; }

.certificates-grid { grid-template-columns: repeat(4, 1fr); margin-top: 32px; }
.cert-item {
  text-align: center;
  padding: 20px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-text);
}
.cert-item .card-icon { margin: 0 auto 14px; }

.certificates-block { max-width: 820px; margin: 0 auto; text-align: center; }
.certificates-block p { color: var(--color-text-muted); }

/* ---------- Contact page ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}

.contact-form-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg-soft);
  color: var(--color-text);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-mint);
  background: var(--color-white);
  /* Явне focus-кільце замість прибраного outline — важливо для клавіатурної навігації */
  box-shadow: 0 0 0 3px rgba(111, 214, 196, 0.4);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.field-error {
  color: var(--color-coral-deep);
  font-size: 0.82rem;
  margin-top: 6px;
  display: none;
}
.form-group.invalid input,
.form-group.invalid select { border-color: var(--color-coral-dark); }
.form-group.invalid .field-error { display: block; }

.form-status {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.94rem;
  display: none;
}
.form-status.show { display: block; }
.form-status.success { background: #e6f8f2; color: var(--color-mint-deep); border: 1px solid var(--color-mint); }
.form-status.error { background: #fdece8; color: var(--color-coral-deep); border: 1px solid var(--color-coral); }

.info-card {
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
}
.info-row { display: flex; gap: 14px; margin-bottom: 20px; }
.info-row:last-child { margin-bottom: 0; }
.info-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--color-white);
  color: var(--color-mint-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
  box-shadow: var(--shadow-card);
}
.info-row-label { font-weight: 700; font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 2px; }
.info-row-value { font-weight: 600; }

.social-links { display: flex; gap: 12px; margin-top: 4px; }
.social-links a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-card);
  color: var(--color-mint-deep);
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease;
}
.social-links a:hover { transform: translateY(-3px); background: var(--color-mint-deep); color: var(--color-white); }

.map-placeholder {
  height: 220px;
  border-radius: var(--radius-lg);
  background:
    repeating-linear-gradient(45deg, var(--color-bg-alt), var(--color-bg-alt) 10px, var(--color-bg-soft) 10px, var(--color-bg-soft) 20px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-mint-deep);
  font-weight: 600;
  text-align: center;
  padding: 20px;
  border: 1px dashed var(--color-mint);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}

.footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--color-mint-deep); margin-bottom: 12px; }
.footer-col h4 { font-size: 0.95rem; margin-bottom: 16px; color: var(--color-text); }
.footer-col p { color: var(--color-text-muted); font-size: 0.92rem; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--color-text-muted); font-size: 0.92rem; transition: color 0.2s ease; }
.footer-col ul li a:hover { color: var(--color-mint-deep); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* ---------- Scroll reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive: tablet (<=768px) ---------- */
@media (max-width: 768px) {
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.7rem; }
  section { padding: 56px 0; }

  .main-nav { position: static; }
  .nav-links, .nav-cta { display: none; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 24px 20px;
    gap: 14px;
    box-shadow: var(--shadow-card);
  }
  .main-nav.open .nav-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .main-nav.open .nav-cta {
    display: flex;
    justify-content: center;
  }
  .hamburger { display: flex; }
  .header-actions { margin-left: auto; }

  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .teaser-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .certificates-grid { grid-template-columns: repeat(2, 1fr); }
  .service-list { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Responsive: mobile (<=375px baseline, applies up to 480px) ---------- */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.4rem; }
  .hero { padding: 56px 0 64px; }
  .advantages-grid,
  .team-grid,
  .certificates-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .card, .contact-form-card, .info-card { padding: 24px 18px; }
  .cta-banner { padding: 40px 20px; }
  .btn { width: 100%; }
  .teaser-actions .btn { width: auto; }
}

/* ---------- Responsive: desktop wide (>=1440px) ---------- */
@media (min-width: 1440px) {
  :root { --container-width: 1320px; }
  h1 { font-size: 3rem; }
}