:root{
  --color-bg:#050816;
  --color-bg-soft:#071020;
  --color-bg-highlight:#0b1220;
  --color-primary:#37b6ff;      /* небесно-голубой */
  --color-primary-soft:#1f9fe0;
  --color-primary-subtle:rgba(55,182,255,0.12);
  --color-text:#f9fafb;
  --color-muted:#9ca3af;
  --color-border:#1f2937;
  --radius-lg:18px;
  --radius-xl:24px;
  --shadow-soft:0 18px 45px rgba(15,23,42,0.55);
  --transition-fast:0.18s ease-out;
}

/* БАЗА */

*,
*::before,
*::after{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  /* Сверху белый, книзу светло-серый, как мягкая тень снизу */
  background:linear-gradient(
    to bottom,
    #ffffff 0%,
    #f9fafb 40%,
    #e5e7eb 75%,
    #d4d4d8 100%
  );
  color:var(--color-text);
}

/* Тёмная «панель» с контентом внутри светлого фона */

.site-main{
  padding:48px 16px 80px;
  max-width:1120px;
  margin:32px auto 80px;
  border-radius:32px;
  background:
    radial-gradient(circle at top,rgba(55,182,255,0.18),transparent 55%),
    radial-gradient(circle at bottom,rgba(15,23,42,0.9),#020617);
  box-shadow:0 40px 90px rgba(15,23,42,0.55);
}

.container{
  max-width:1120px;
  margin:0 auto;
}

/* HEADER из base.html */

.site-header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(14px);
  /* Белый/почти белый хедер под логотип */
  background:linear-gradient(
    to bottom,
    rgba(255,255,255,0.98),
    rgba(249,250,251,0.96),
    rgba(249,250,251,0.93)
  );
  border-bottom:1px solid #e5e7eb;
  box-shadow:0 12px 28px rgba(15,23,42,0.06);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:12px 24px;
}

.logo-link{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}

.logo-img{
  height:180px;   /* ↑ увеличил логотип */
  width:auto;
  display:block;
}

.main-nav{
  display:flex;
  gap:18px;
  align-items:center;
}

.main-nav a{
  font-size:14px;
  color:#6b7280; /* тёмно-серый текст под светлый header */
  text-decoration:none;
  padding:6px 10px;
  border-radius:999px;
  transition:color var(--transition-fast),
             background var(--transition-fast),
             transform var(--transition-fast),
             box-shadow var(--transition-fast);
}

.main-nav a[aria-current="page"]{
  color:#0f172a;
  background:#e5e7eb;
  box-shadow:0 6px 16px rgba(15,23,42,0.12);
}

.main-nav a:hover{
  color:#0f172a;
  background:#e5e7eb;
  transform:translateY(-1px);
}

/* FOOTER из base.html */

.site-footer{
  padding:12px 16px 18px;
  background:#020617;
  border-top:1px solid rgba(15,23,42,0.9);
}

.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:0.9rem;
}

.footer-inner small{
  color:var(--color-muted);
}

.footer-contact{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:0.9rem;
}

.footer-contact a{
  color:var(--color-muted);
  text-decoration:none;
}

.footer-contact a:hover{
  text-decoration:underline;
}

.footer-contact span{
  color:var(--color-muted);
}

/* HERO (index.html) */

.hero{
  padding:40px 0 32px;
}

.hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
}

.hero-kicker{
  text-transform:uppercase;
  letter-spacing:0.13em;
  font-size:11px;
  color:var(--color-primary);
  margin-bottom:10px;
}

.hero h1{
  font-size:32px;
  line-height:1.15;
  margin:0 0 16px;
}

.hero-lead{
  color:var(--color-muted);
  font-size:15px;
  max-width:540px;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:22px 0 12px;
}

.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  font-size:11px;
  color:var(--color-muted);
}

.hero-tags span{
  border-radius:999px;
  border:1px solid rgba(148,163,184,0.3);
  padding:4px 9px;
  background:rgba(15,23,42,0.8);
}

/* Карточка справа */

.hero-panel{
  background:radial-gradient(circle at top,rgba(55,182,255,0.12),rgba(15,23,42,0.98));
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft);
  padding:20px 20px 18px;
  border:1px solid rgba(55,182,255,0.35);
}

.hero-panel h2{
  margin:0 0 12px;
  font-size:18px;
}

.checklist{
  list-style:none;
  padding:0;
  margin:0 0 10px;
  font-size:14px;
}

.checklist li{
  position:relative;
  padding-left:20px;
  margin-bottom:5px;
}

.checklist li::before{
  content:"•";
  position:absolute;
  left:7px;
  top:0;
  color:var(--color-primary);
}

.hero-panel-note{
  font-size:12px;
  color:var(--color-muted);
}

/* Секции / карточки */

.section{
  padding:32px 0;
}

.section-header{
  max-width:620px;
  margin:0 0 20px;
}

.section-header h2{
  margin:0 0 8px;
  font-size:22px;
}

.section-header p{
  margin:0;
  color:var(--color-muted);
  font-size:14px;
}

.cards-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:18px;
}

.card{
  background:rgba(15,23,42,0.9);
  border-radius:var(--radius-lg);
  border:1px solid rgba(31,41,55,0.9);
  padding:16px 16px 14px;
  box-shadow:0 18px 30px rgba(2,6,23,0.65);
  transition:transform var(--transition-fast),
             border-color var(--transition-fast),
             box-shadow var(--transition-fast),
             background var(--transition-fast);
}

.card h3{
  margin-top:0;
  margin-bottom:8px;
  font-size:16px;
}

.card p{
  margin:0 0 8px;
  color:var(--color-muted);
  font-size:14px;
}

.card ul{
  margin:0;
  padding-left:16px;
  font-size:13px;
  color:var(--color-muted);
}

.card:hover{
  transform:translateY(-3px);
  border-color:rgba(55,182,255,0.65);
  background:radial-gradient(circle at top,rgba(55,182,255,0.16),rgba(15,23,42,0.98));
  box-shadow:0 22px 38px rgba(15,23,42,0.9);
}

/* Highlight-секция */

.section-highlight{
  margin-top:10px;
}

.section-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 18px 16px;
  border-radius:var(--radius-xl);
  background:linear-gradient(135deg,rgba(55,182,255,0.18),rgba(15,23,42,0.95));
  border:1px solid rgba(55,182,255,0.5);
  box-shadow:var(--shadow-soft);
}

.section-inner h2{
  margin:0 0 6px;
  font-size:20px;
}

.section-inner p{
  margin:0;
  font-size:14px;
  color:var(--color-muted);
}

.section-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

/* Кнопки */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  font-size:13px;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--transition-fast),
             color var(--transition-fast),
             transform var(--transition-fast),
             box-shadow var(--transition-fast),
             border-color var(--transition-fast);
}

.btn-primary{
  background:linear-gradient(135deg,var(--color-primary),var(--color-primary-soft));
  color:#020617;
  box-shadow:0 18px 35px rgba(56,189,248,0.45);
}

.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 22px 40px rgba(56,189,248,0.55);
}

.btn-ghost{
  background:transparent;
  color:var(--color-text);
  border-color:rgba(148,163,184,0.4);
}

.btn-ghost:hover{
  background:rgba(15,23,42,0.9);
}

.btn-outline{
  background:transparent;
  color:var(--color-primary);
  border-color:rgba(56,189,248,0.7);
}

.btn-outline:hover{
  background:var(--color-primary-subtle);
}

/* Формы в модалках */

.modal-form{
  margin-top:10px;
}

.form-row{
  display:flex;
  flex-direction:column;
  gap:4px;
  margin-bottom:10px;
}

.form-row-inline{
  flex-direction:row;
  align-items:center;
  gap:10px;
}

.form-row label{
  font-size:12px;
  color:var(--color-muted);
}

.form-row input,
.form-row select,
.form-row textarea{
  border-radius:12px;
  border:1px solid rgba(31,41,55,0.9);
  background:rgba(15,23,42,0.9);
  padding:7px 10px;
  color:var(--color-text);
  font-size:13px;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline:none;
  border-color:rgba(55,182,255,0.8);
  box-shadow:0 0 0 1px rgba(55,182,255,0.4);
}

.form-hint{
  font-size:11px;
  color:var(--color-muted);
  margin-top:4px;
}

/* Модальные окна */

.modal{
  position:fixed;
  inset:0;
  display:none;
  z-index:50;
}

.modal.is-open{
  display:block;
}

.modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(15,23,42,0.75);
  backdrop-filter:blur(10px);
}

.modal-dialog{
  position:relative;
  max-width:460px;
  margin:48px auto;
  padding:18px 18px 16px;
  background:rgba(15,23,42,1);
  border-radius:var(--radius-xl);
  border:1px solid rgba(55,182,255,0.5);
  box-shadow:var(--shadow-soft);
  animation:modal-in 0.18s ease-out;
}

.modal-dialog h2{
  margin-top:0;
  margin-bottom:6px;
  font-size:18px;
}

.modal-dialog p{
  margin:0 0 10px;
  font-size:13px;
  color:var(--color-muted);
}

.modal-close{
  position:absolute;
  top:8px;
  right:10px;
  border:none;
  background:transparent;
  color:var(--color-muted);
  font-size:20px;
  cursor:pointer;
}

@keyframes modal-in{
  from{
    opacity:0;
    transform:translateY(10px) scale(0.98);
  }
  to{
    opacity:1;
    transform:translateY(0) scale(1);
  }
}

/* Анимация при скролле */

[data-animate]{
  opacity:0;
  transform:translateY(10px);
  transition:opacity 0.3s ease-out,transform 0.3s ease-out;
}

[data-animate].is-visible{
  opacity:1;
  transform:translateY(0);
}

/* Адаптив */

@media (max-width: 860px){
  .site-main{
    padding-top:32px;
    margin:16px auto 48px;
    border-radius:24px;
  }

  .hero-inner{
    grid-template-columns:1fr;
  }

  .hero-panel{
    order:-1;
  }

  .header-inner{
    padding-inline:12px;
  }
}

/* ---------- Language switcher (dropdown с флагами) ---------- */

.lang-switch{
  position:relative;
  display:flex;
  align-items:center;
  font-size:14px;
}

.lang-switch__toggle{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid #e5e7eb;
  background:#f9fafb;
  cursor:pointer;
  font-size:13px;
  line-height:1;
  color:#374151;
  box-shadow:0 4px 10px rgba(15,23,42,0.08);
  transition:
    background var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.lang-switch__toggle:hover{
  background:#ffffff;
  border-color:#d1d5db;
  color:#111827;
  transform:translateY(-1px);
  box-shadow:0 8px 18px rgba(15,23,42,0.15);
}

.lang-switch__flag{
  font-size:16px;
}

.lang-switch__caret{
  font-size:10px;
  opacity:0.7;
}

/* выпадающее меню */

.lang-switch__menu{
  position:absolute;
  right:0;
  top:100%;
  margin-top:8px;
  min-width:160px;
  padding:6px;
  border-radius:14px;
  background:radial-gradient(circle at top,rgba(55,182,255,0.15),#020617);
  border:1px solid rgba(15,23,42,0.9);
  box-shadow:0 16px 32px rgba(15,23,42,0.7);
  z-index:40;
}

.lang-switch__menu[hidden]{
  display:none;
}

.lang-switch__btn{
  width:100%;
  display:flex;
  align-items:center;
  gap:8px;
  padding:6px 8px;
  border-radius:10px;
  border:none;
  background:transparent;
  color:var(--color-text);
  font-size:13px;
  cursor:pointer;
  text-align:left;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    color var(--transition-fast);
}

.lang-switch__btn:hover{
  background:rgba(15,23,42,0.95);
  transform:translateY(-1px);
  box-shadow:0 10px 20px rgba(15,23,42,0.8);
}

.lang-switch__btn.is-active{
  background:rgba(55,182,255,0.18);
  color:var(--color-primary);
}

/* подпись языка справа от флага */
.lang-switch__label{
  font-size:13px;
}

/* при открытом меню — подсветить кнопку */
.lang-switch.is-open .lang-switch__toggle{
  border-color:#cbd5f5;
  box-shadow:0 10px 22px rgba(55,182,255,0.45);
}

/* чуть ужимаем на мобиле */
@media (max-width: 640px){
  .lang-switch__toggle{
    padding-inline:8px;
  }
  .lang-switch__label{
    display:none; /* можно скрыть текст, оставить только флаг в меню-кнопке */
  }
}