/* ===== BIODENT — BRAND TOKENS & SECTION STYLES =====
   Переопределяет токены foundation.css под бренд Biodent
   НЕ дублирует классы из foundation.css
   ===================================================== */

/* ===== BRAND TOKENS ===== */
:root {
  /* Primary — золотисто-жёлтый из логотипа Biodent */
  --color-primary-h: 45;
  --color-primary-s: 85%;
  --color-primary-l: 55%;
  --color-primary: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));
  --color-primary-light: hsl(var(--color-primary-h), var(--color-primary-s), 70%);
  --color-primary-dark: hsl(var(--color-primary-h), var(--color-primary-s), 42%);
  --color-primary-glow: hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.2);

  /* Secondary — светло-голубой/бирюзовый */
  --color-secondary-h: 190;
  --color-secondary-s: 65%;
  --color-secondary-l: 55%;
  --color-secondary: hsl(var(--color-secondary-h), var(--color-secondary-s), var(--color-secondary-l));

  /* Accent — зелёный из листка логотипа */
  --color-accent-h: 145;
  --color-accent-s: 55%;
  --color-accent-l: 48%;
  --color-accent: hsl(var(--color-accent-h), var(--color-accent-s), var(--color-accent-l));

  /* Фоны — тёмная тема */
  --color-bg: #0a0a0c;
  --color-bg-elevated: #141418;
  --color-bg-subtle: #101014;
  --color-surface: #1a1a1f;
  --color-surface-hover: #222228;
  --color-text: #f5f5f5;
  --color-text-secondary: #a8a8b0;
  --color-text-muted: #6b6b75;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-border-hover: rgba(255, 255, 255, 0.14);

  /* Шрифты */
  --font-display: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
}

/* ===== LOGO ===== */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

/* ===== NAV DESKTOP ===== */
.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 768px) {
  .nav-desktop { display: flex; }
}

/* ===== MINI-HERO (внутренние страницы) ===== */
.mini-hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--space-14) + 60px);
  padding-bottom: var(--space-13);
  background: var(--color-bg);
}

.mini-hero .hero-float {
  opacity: 0.5;
}

/* ===== HERO (главная) ===== */
.hero {
  background: var(--color-bg);
}

.hero-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: calc(-1 * var(--space-2));
}

/* Hero word spans for text reveal animation */
.hero h1 .word {
  display: inline-block;
  overflow: hidden;
}

/* ===== STATS SECTION ===== */
.stats-section {
  background: var(--color-bg-elevated);
  position: relative;
  z-index: var(--z-raised);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

/* ===== ADVANTAGES SECTION ===== */
.advantages {
  background: var(--color-bg);
}

/* ===== TOP-SERVICES SECTION ===== */
.top-services {
  background: var(--color-surface);
  position: relative;
}

.top-services::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
  pointer-events: none;
}

/* Service card image */
.service-img-wrap {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.service-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.service-img-wrap:hover img,
.glass-card:hover .service-img-wrap img {
  transform: scale(1.06);
}

/* Placeholder gradient for missing images */
.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    hsla(var(--color-primary-h), 50%, 30%, 0.3) 0%,
    hsla(var(--color-secondary-h), 50%, 30%, 0.2) 100%
  );
  color: var(--color-primary);
  font-size: 2.5rem;
}

/* ===== TEAM PREVIEW SECTION ===== */
.team-preview {
  background: var(--color-bg);
}

.team-preview .content-block {
  align-items: center;
}

.team-preview img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

/* ===== CTA BLOCK ===== */
.cta-block {
  background: var(--color-bg-elevated);
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, hsla(var(--color-primary-h), 80%, 50%, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-block::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, hsla(var(--color-secondary-h), 70%, 50%, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-block .container-narrow {
  position: relative;
  z-index: var(--z-raised);
}

/* ===== WAVE DIVIDER ===== */
.wave-divider {
  line-height: 0;
  overflow: hidden;
  margin-bottom: -1px;
}

.wave-divider svg {
  display: block;
  width: 100%;
}

/* ===== SECTION TRANSITIONS ===== */
.section-gradient-bottom {
  position: relative;
}

.section-gradient-bottom::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--color-surface));
  pointer-events: none;
}

/* ===== CONTENT BLOCK MOBILE STACK ===== */
.content-block {
  display: grid;
  gap: var(--space-8);
}

.content-block-reverse {
  display: grid;
  gap: var(--space-8);
}

@media (max-width: 767px) {
  .content-block,
  .content-block-reverse {
    grid-template-columns: 1fr !important;
  }

  .content-block-reverse > *:first-child {
    order: 1;
  }
  .content-block-reverse > *:last-child {
    order: 0;
  }
}

/* ===== GALLERY GRID ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  position: relative;
  cursor: pointer;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: border-color var(--duration-normal) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-expo);
}

.gallery-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 20px var(--color-primary-glow);
}

.gallery-item img {
  width: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item-3-4 img {
  aspect-ratio: 3 / 4;
}

.gallery-item-4-3 img {
  aspect-ratio: 4 / 3;
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(to top, rgba(10, 10, 12, 0.85) 0%, transparent 100%);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  transform: translateY(100%);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.gallery-item:hover .gallery-caption {
  transform: translateY(0);
}

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out-expo),
              visibility var(--duration-normal);
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
}

.lightbox-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text);
  font-size: 1.25rem;
  transition: all var(--duration-fast) var(--ease-out-expo);
  min-height: auto;
  min-width: auto;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text);
  font-size: 1.25rem;
  transition: all var(--duration-fast) var(--ease-out-expo);
  min-height: auto;
  min-width: auto;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev { left: var(--space-6); }
.lightbox-next { right: var(--space-6); }

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  cursor: pointer;
}

.lightbox-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  z-index: 1;
}

.lightbox-caption {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  text-align: center;
}

body.lightbox-open {
  overflow: hidden;
}

/* Gallery image wrap */
.gallery-img-wrap {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.gallery-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.gallery-item:hover .gallery-img-wrap img {
  transform: scale(1.04);
}

/* ===== SCROLL-TO-TOP ===== */
.scroll-top {
  position: fixed;
  bottom: calc(var(--space-7) + 70px);
  right: var(--space-5);
  z-index: calc(var(--z-sticky) - 1);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out-expo);
  min-height: auto;
  min-width: auto;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

@media (max-width: 767px) {
  .scroll-top {
    bottom: calc(var(--space-7) + 130px);
  }
}

/* ===== CONTACTS PAGE ===== */
.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.map-wrap iframe {
  display: block;
  width: 100%;
  border: 0;
}

/* ===== FOOTER NAV ===== */
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.footer-nav a:hover {
  color: var(--color-primary-light);
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-contacts a,
.footer-contacts p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out-expo);
  max-width: none;
}

.footer-contacts a:hover {
  color: var(--color-primary-light);
}

/* ===== SECTION BG VARIANTS ===== */
.bg-elevated {
  background: var(--color-bg-elevated);
}

.bg-surface {
  background: var(--color-surface);
}

.bg-base {
  background: var(--color-bg);
}

/* ===== SERVICE DETAIL CARD ===== */
.service-detail {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .service-detail {
    grid-template-columns: 5fr 7fr;
  }

  .service-detail.reverse {
    grid-template-columns: 7fr 5fr;
  }

  .service-detail.reverse > .service-detail-img {
    order: 1;
  }
}

@media (max-width: 767px) {
  .service-detail.reverse > .service-detail-img {
    order: 0;
  }
}

.service-detail-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.service-detail-img img {
  width: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.service-detail-img:hover img {
  transform: scale(1.04);
}

.service-detail-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.service-detail-body p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: none;
}

.service-price-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-glow);
  border: 1px solid hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary-light);
}

/* ===== TEAM MEMBER CARD ===== */
.member-card {
  overflow: hidden;
}

.member-photo-wrap {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.member-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.member-card:hover .member-photo-wrap img {
  transform: scale(1.04);
}

.member-info {
  padding: var(--space-5) var(--space-6) var(--space-6);
}

.member-name {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.member-role {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary-light);
  margin-bottom: var(--space-3);
}

.member-bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: none;
}

/* ===== TRUST CARD ===== */
.trust-card {
  padding: var(--space-7);
}

.trust-card-icon {
  font-size: 2rem;
  margin-bottom: var(--space-4);
}

.trust-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.trust-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: none;
}

/* ===== BRANCH CARD ===== */
.branch-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.branch-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.branch-info-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.branch-info-icon {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.branch-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ===== CTA BUTTONS GROUP ===== */
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-7);
}

@media (max-width: 640px) {
  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ===== ABOUT HISTORY SECTION ===== */
.history-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.history-text p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: none;
}

.history-text p:first-of-type {
  font-size: var(--text-lg);
  color: var(--color-text);
}

/* ===== OVERLINE + HEADING GROUP ===== */
.section-intro {
  margin-bottom: var(--space-10);
}

.section-intro.center {
  text-align: center;
}

.section-intro .overline {
  display: block;
  margin-bottom: var(--space-3);
}

.section-intro h2 {
  margin-bottom: var(--space-5);
}

.section-intro .lead {
  margin-inline: auto;
}

/* ===== WHATSAPP PULSE ANIMATION ===== */
@keyframes wa-pulse {
  0% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3); }
  50% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3), 0 0 0 12px rgba(37, 211, 102, 0.1); }
  100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3), 0 0 0 24px rgba(37, 211, 102, 0); }
}

.whatsapp-float.pulse {
  animation: wa-pulse 1.2s ease-out 2;
}

/* ===== STICKY CTA HIDDEN BY DEFAULT ===== */
.sticky-cta {
  transform: translateY(100%);
  transition: transform var(--duration-normal) var(--ease-out-expo),
              opacity var(--duration-normal) var(--ease-out-expo);
}

.sticky-cta.visible {
  transform: translateY(0);
}