/* =========================================================
   CONTANGO HOLDING — Main Stylesheet
   Colors:
     --teal:       #2a9d8f
     --teal-dark:  #1a7a6e
     --teal-light: #4dbfb2
     --navy:       #1b2a3b
     --navy-mid:   #243447
     --slate:      #3d5166
     --text:       #2c3e50
     --text-light: #6b7c93
     --bg-light:   #f4f7f9
     --bg-white:   #ffffff
     --accent:     #e8f5f3
   ========================================================= */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', sans-serif;
  color: #2c3e50;
  background: #ffffff;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* === CONTAINER === */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================
   HEADER / NAV
   ========================================================= */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
  padding: 0;
}

#site-header.scrolled {
  background: #ffffff;
  box-shadow: 0 2px 20px rgba(0,0,0,0.10);
}

.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: block;
  flex-shrink: 0;
  position: relative;
  width: 190px;
  height: 44px;
}

/* Оба логотипа абсолютные, не влияют на поток */
.nav-logo img {
  position: absolute;
  left: 0;
  top: 0;
  height: 44px;
  width: 190px;
  object-fit: contain;
  object-position: left center;
  transition: opacity 0.35s ease;
}

/* По умолчанию (Hero — тёмный фон): белый логотип */
.nav-logo .logo-dark  { opacity: 0; }
.nav-logo .logo-light { opacity: 1; }

/* После скролла: тёмный логотип */
#site-header.scrolled .nav-logo .logo-dark  { opacity: 1; }
#site-header.scrolled .nav-logo .logo-light { opacity: 0; }

/* === NAV RIGHT (links + lang) === */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Скрыть мобильный переключатель языка на десктопе */
.nav-lang-mobile { display: none; }

/* Скрыть кнопку Контакты на мобильном — её заменяет lang-switcher */
@media (max-width: 768px) {
  .nav-link--cta { display: none; }
}

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

/* === LANGUAGE SWITCHER === */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 3px;
}

.lang-btn {
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.6);
  transition: background 0.2s ease, color 0.2s ease;
  background: transparent;
}
.lang-btn:hover { color: #fff; background: rgba(255,255,255,0.12); }
.lang-btn.active {
  background: #2a9d8f;
  color: #fff;
  box-shadow: 0 2px 8px rgba(42,157,143,0.4);
}

/* После скролла — тёмный переключатель */
#site-header.scrolled .lang-switcher {
  background: rgba(27,42,59,0.08);
}
#site-header.scrolled .lang-btn {
  color: #3d5166;
}
#site-header.scrolled .lang-btn:hover {
  color: #1b2a3b;
  background: rgba(27,42,59,0.08);
}
#site-header.scrolled .lang-btn.active {
  background: #2a9d8f;
  color: #fff;
}

.nav-link {
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.88);
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }

/* После скролла — тёмный текст ссылок */
#site-header.scrolled .nav-link {
  color: #1b2a3b;
}
#site-header.scrolled .nav-link:hover {
  color: #2a9d8f;
  background: rgba(42,157,143,0.08);
}

.nav-link--cta {
  background: #2a9d8f;
  color: #fff !important;
  padding: 8px 18px;
  font-weight: 600;
}
.nav-link--cta:hover { background: #1a7a6e; }
#site-header.scrolled .nav-link--cta {
  color: #fff !important;
}

/* === BURGER === */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

/* После скролла — тёмный бургер */
#site-header.scrolled .burger span {
  background: #1b2a3b;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO SECTION
   ========================================================= */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0d1f2d 0%, #1b3a4b 35%, #1a7a6e 70%, #2a9d8f 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(42,157,143,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(27,42,59,0.3) 0%, transparent 50%);
  pointer-events: none;
}

/* Animated particles */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: grid-shift 20s linear infinite;
  pointer-events: none;
}

@keyframes grid-shift {
  0%   { transform: translate(0,0); }
  100% { transform: translate(48px, 48px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 120px 24px 80px;
  animation: fade-up 0.9s ease both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-logo {
  height: 80px;
  width: auto;
  max-width: 380px;
  margin: 0 auto 36px;
  object-fit: contain;
  filter: drop-shadow(0 4px 20px rgba(0,0,0,0.3));
}

.hero-slogan {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.75);
  margin-bottom: 44px;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.25s ease;
  letter-spacing: 0.01em;
}

.btn--primary {
  background: #2a9d8f;
  color: #fff;
  box-shadow: 0 4px 20px rgba(42,157,143,0.4);
}
.btn--primary:hover {
  background: #1a7a6e;
  box-shadow: 0 6px 28px rgba(42,157,143,0.55);
  transform: translateY(-2px);
}

.btn--outline {
  border: 2px solid rgba(255,255,255,0.6);
  color: #fff;
  background: transparent;
}
.btn--outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.5);
  font-size: 1.2rem;
  animation: bounce 2s ease infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* =========================================================
   SECTION SHARED
   ========================================================= */
.section { padding: 96px 0; }

.section--light    { background: #f4f7f9; }
.section--white    { background: #ffffff; }
.section--dark     { background: #1b2a3b; color: #e0eaf2; }
.section--dark-alt { background: #243447; color: #e0eaf2; }
.section--teal     { background: linear-gradient(135deg, #1a7a6e 0%, #2a9d8f 100%); }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #2a9d8f;
  margin-bottom: 12px;
}
.section-label--light { color: rgba(255,255,255,0.7); }

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: #1b2a3b;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.section-title--light { color: #fff; }

.section-subtitle {
  margin-top: 14px;
  font-size: 1.05rem;
  color: #6b7c93;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.section-subtitle--light { color: rgba(255,255,255,0.8); }

.section--dark .section-title,
.section--dark-alt .section-title { color: #e8f4f2; }
.section--dark .section-label,
.section--dark-alt .section-label { color: #4dbfb2; }
.section--dark .section-subtitle,
.section--dark-alt .section-subtitle { color: rgba(224,234,242,0.7); }

/* =========================================================
   TABS (О компании)
   ========================================================= */
.tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 28px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #3d5166;
  border: 2px solid #d0dce8;
  background: transparent;
  transition: all 0.25s ease;
}
.tab-btn:hover { border-color: #2a9d8f; color: #2a9d8f; }
.tab-btn.active {
  background: #2a9d8f;
  border-color: #2a9d8f;
  color: #fff;
  box-shadow: 0 4px 16px rgba(42,157,143,0.3);
}

.tab-panel { display: none; animation: fade-up 0.4s ease both; }
.tab-panel.active { display: block; }

.about-content {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  background: #fff;
  border-radius: 16px;
  padding: 48px;
  box-shadow: 0 4px 24px rgba(27,42,59,0.07);
}

.about-icon-wrap {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 16px;
  background: linear-gradient(135deg, #2a9d8f, #1a7a6e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fff;
}

.about-text h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #1b2a3b;
  margin-bottom: 16px;
}
.about-text p { font-size: 1.05rem; color: #3d5166; line-height: 1.8; }

/* Values grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  background: #fff;
  border-radius: 16px;
  padding: 36px 28px;
  box-shadow: 0 4px 24px rgba(27,42,59,0.07);
  border-top: 4px solid #2a9d8f;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.value-card:hover { transform: translateY(-6px); box-shadow: 0 12px 36px rgba(27,42,59,0.12); }

.value-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: #e8f5f3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #2a9d8f;
  margin-bottom: 20px;
}
.value-card h4 { font-size: 1.05rem; font-weight: 700; color: #1b2a3b; margin-bottom: 12px; }
.value-card p  { font-size: 0.95rem; color: #3d5166; line-height: 1.7; }

/* =========================================================
   ACTIVITIES
   ========================================================= */
.activities-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 32px;
  align-items: start;
}

.activity-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 40px 36px;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.activity-card:hover {
  background: rgba(255,255,255,0.08);
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
}

.activity-card__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.activity-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(42,157,143,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #4dbfb2;
  flex-shrink: 0;
}

.activity-card__header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #e8f4f2;
}

.activity-badge {
  background: rgba(42,157,143,0.25);
  color: #4dbfb2;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.activity-card__desc {
  color: rgba(224,234,242,0.75);
  margin-bottom: 24px;
  font-size: 0.97rem;
}

.product-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}
.product-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(224,234,242,0.85);
  font-size: 0.95rem;
}
.product-list li i { color: #2a9d8f; font-size: 0.6rem; flex-shrink: 0; }

/* Trade details */
.trade-details, .trade-process {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.trade-details h4, .trade-process h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #4dbfb2;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.82rem;
}

.destinations-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.destination-tag {
  background: rgba(42,157,143,0.2);
  border: 1px solid rgba(42,157,143,0.35);
  color: #7dd8cf;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.destination-tag i { font-size: 0.75rem; }

/* Process steps */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  counter-reset: steps;
}
.process-steps li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(42,157,143,0.25);
  border: 2px solid rgba(42,157,143,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #4dbfb2;
}
.process-steps li strong {
  display: block;
  color: #e0eaf2;
  font-size: 0.93rem;
  margin-bottom: 4px;
}
.process-steps li p {
  color: rgba(224,234,242,0.65);
  font-size: 0.87rem;
  line-height: 1.5;
}

/* =========================================================
   PARTNERS
   ========================================================= */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.partner-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(27,42,59,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.partner-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(27,42,59,0.14);
}

.partner-avatar {
  background: linear-gradient(135deg, #1b3a4b 0%, #2a9d8f 100%);
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.partner-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.avatar-placeholder {
  font-size: 2.8rem;
  font-weight: 800;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1b3a4b 0%, #2a9d8f 100%);
}

.partner-info { padding: 28px; }

.partner-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1b2a3b;
  margin-bottom: 6px;
}

.partner-role {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: #2a9d8f;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.partner-desc {
  font-size: 0.92rem;
  color: #3d5166;
  line-height: 1.65;
  margin-bottom: 16px;
}

.partner-exp {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: #6b7c93;
  margin-bottom: 16px;
}
.partner-exp i { color: #2a9d8f; }
.partner-exp strong { color: #1b2a3b; }

.partner-details summary {
  font-size: 0.85rem;
  font-weight: 600;
  color: #2a9d8f;
  cursor: pointer;
  padding: 8px 0;
  border-top: 1px solid #e8eef4;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}
.partner-details summary::-webkit-details-marker { display: none; }
.partner-details summary::before {
  content: '+';
  font-size: 1.1rem;
  font-weight: 700;
  color: #2a9d8f;
  transition: transform 0.2s ease;
  display: inline-block;
}
.partner-details[open] summary::before { transform: rotate(45deg); }
.partner-details summary:hover { color: #1a7a6e; }
.partner-details p {
  font-size: 0.88rem;
  color: #3d5166;
  line-height: 1.65;
  padding: 14px 0 0;
}

/* =========================================================
   CSR
   ========================================================= */
.csr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.csr-card {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: background 0.25s ease, transform 0.25s ease;
}
.csr-card:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-4px);
}

.csr-card--active {
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.18);
}

.csr-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 20px;
}

.csr-card__status {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.1);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.csr-card__status--active {
  background: rgba(255,255,255,0.25);
  color: #fff;
}

.csr-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.csr-card p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: 10px;
}

/* =========================================================
   CONTACTS
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 800px;
  margin: 0 auto 40px;
}

.contact-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  transition: background 0.25s ease, transform 0.25s ease;
}
.contact-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}

.contact-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(42,157,143,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #4dbfb2;
  margin: 0 auto 20px;
}

.contact-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #e8f4f2;
  margin-bottom: 12px;
}
.contact-card p {
  font-size: 0.93rem;
  color: rgba(224,234,242,0.7);
  margin-bottom: 20px;
  line-height: 1.6;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #2a9d8f;
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: background 0.2s ease, transform 0.2s ease;
}
.contact-link:hover { background: #1a7a6e; transform: translateY(-2px); }

.contact-note {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(42,157,143,0.12);
  border: 1px solid rgba(42,157,143,0.25);
  border-radius: 12px;
  padding: 20px 28px;
  max-width: 800px;
  margin: 0 auto;
}
.contact-note i { color: #4dbfb2; font-size: 1.4rem; flex-shrink: 0; }
.contact-note p { color: rgba(224,234,242,0.75); font-size: 0.9rem; line-height: 1.6; }

/* =========================================================
   FOOTER
   ========================================================= */
#site-footer {
  background: #111e2c;
  color: rgba(255,255,255,0.7);
}

.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 48px 24px;
}

.footer-brand { display: flex; flex-direction: column; gap: 10px; }
.footer-logo { height: 44px; width: auto; max-width: 200px; object-fit: contain; }
.footer-slogan { font-size: 0.85rem; color: rgba(255,255,255,0.45); font-style: italic; }

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  justify-content: center;
}
.footer-nav a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  padding: 4px 0;
  transition: color 0.2s ease;
}
.footer-nav a:hover { color: #4dbfb2; }

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: right;
}
.footer-contacts a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
  transition: color 0.2s ease;
}
.footer-contacts a:hover { color: #4dbfb2; }
.footer-contacts i { color: #2a9d8f; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  padding: 20px 24px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .activities-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* === Шапка мобильная === */

  /* Логотип — фиксированный размер, слева */
  .nav-logo { width: 150px; height: 40px; }
  .nav-logo img { height: 40px; width: 150px; }

  /* nav-right: только бургер */
  .nav-right { gap: 0; }

  /* Скрыть десктопный lang-switcher и ссылки из шапки */
  #lang-switcher { display: none; }
  .nav-links { display: none; }

  /* Показать бургер */
  .burger { display: flex; }

  /* Мобильное выпадающее меню */
  .nav-links.open {
    display: flex;
    position: fixed;
    top: 72px;
    left: 0; right: 0;
    background: #1b2a3b;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 4px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    z-index: 999;
    animation: menu-drop 0.25s ease both;
  }

  @keyframes menu-drop {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .nav-link { padding: 12px 16px; border-radius: 8px; color: rgba(255,255,255,0.85) !important; }
  .nav-link:hover { background: rgba(255,255,255,0.1) !important; color: #fff !important; }
  .nav-link--cta { display: none; }

  /* Переключатель языков внутри меню */
  .nav-lang-mobile { display: block !important; }
  .lang-switcher--menu {
    display: flex;
    gap: 8px;
    padding: 8px;
    background: rgba(255,255,255,0.06);
    border-radius: 10px;
    margin-bottom: 8px;
  }
  .lang-switcher--menu .lang-btn {
    flex: 1;
    padding: 10px 0;
    font-size: 0.88rem;
    font-weight: 700;
    text-align: center;
    border-radius: 7px;
    color: rgba(255,255,255,0.55);
    background: transparent;
  }
  .lang-switcher--menu .lang-btn.active {
    background: #2a9d8f;
    color: #fff;
    box-shadow: 0 2px 8px rgba(42,157,143,0.4);
  }

  /* Hero */
  .hero-content { padding-top: 100px; }
  .hero-logo { height: 60px; }
  .hero-cta-group { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; justify-content: center; }

  /* About */
  .about-content { flex-direction: column; gap: 24px; padding: 32px 24px; }

  /* Partners */
  .partners-grid { grid-template-columns: 1fr; }
  .partner-avatar {
    height: auto;
    aspect-ratio: 1 / 1;
  }

  /* CSR */
  .csr-grid { grid-template-columns: 1fr; }

  /* Contacts */
  .contact-grid { grid-template-columns: 1fr; }
  .contact-note { flex-direction: column; text-align: center; }

  /* Footer */
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 28px;
  }
  .footer-contacts { text-align: center; }
  .footer-contacts a { justify-content: center; }
  .footer-nav ul { justify-content: center; }
}

@media (max-width: 480px) {
  .tabs { gap: 6px; }
  .tab-btn { padding: 8px 18px; font-size: 0.85rem; }
  .activities-grid { gap: 20px; }
  .activity-card { padding: 28px 24px; }
}

/* =========================================================
   SCROLL ANIMATIONS
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }