/* ============================================================
   Стили сайта (главная страница + админка)
   ============================================================ */

:root {
  --brand: #4f46e5;
  --brand-dark: #3730a3;
  --accent: #ffc107;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
}

/* ===================== Шапка ===================== */

.site-nav {
  background: linear-gradient(135deg, #1e1b4b, #312e81 60%, #4f46e5);
  box-shadow: 0 2px 12px rgba(0, 0, 0, .25);
}
.site-nav .navbar-brand { font-size: 1.15rem; }

.notice-bar {
  background: #fff8e1;
  color: #7a5b00;
  font-size: .95rem;
  border-bottom: 1px solid #ffe082;
}

/* ===================== Герой ===================== */

.hero {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(79, 70, 229, .35), transparent 55%),
    radial-gradient(ellipse at 90% 100%, rgba(56, 189, 248, .2), transparent 50%),
    linear-gradient(160deg, #1e1b4b, #312e81 55%, #1e293b);
  color: #fff;
}
.hero-title { line-height: 1.15; }
.hero-subtitle { color: rgba(255, 255, 255, .85); }
.hero-features li { font-size: 1.05rem; margin-bottom: .55rem; }
.hero-features i { color: var(--accent); }

/* ===================== Карточка курса ===================== */

.rate-card { border-radius: 1rem; overflow: hidden; }
.rate-card .rate-label { color: #6b7280; font-size: .8rem; letter-spacing: .08em; }
.rate-value { color: #1e1b4b; }
.rate-value .rub-symbol { font-size: 2rem; }
.rate-meta { font-size: .85rem; }

/* ===================== Услуги ===================== */

.section-title { font-weight: 700; color: #111827; }
.section-sub { max-width: 640px; }

.service-card {
  border-radius: 1rem;
  position: relative;
  transition: transform .15s ease, box-shadow .15s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 .75rem 1.5rem rgba(0, 0, 0, .12) !important;
}
.service-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--accent);
  color: #1e1b4b;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
  padding: .3rem .6rem;
  border-radius: 999px;
}
.price-yuan { font-size: 1.75rem; font-weight: 800; color: var(--brand); }
.price-yuan span { font-size: 1.1rem; }

/* ===================== О нас ===================== */

.about-section { background: #f8fafc; }
.about-text { line-height: 1.75; color: #374151; }

/* ===================== Контакты ===================== */

.contact-card { border-radius: 1rem; }
.contact-icon { font-size: 1.9rem; color: var(--brand); }
.contact-value { color: #111827; font-weight: 600; text-decoration: none; word-break: break-word; }
a.contact-value:hover { color: var(--brand); }

/* ===================== Подвал ===================== */

.site-footer { background: #0f172a; color: #94a3b8; }
.footer-admin-link { color: #64748b; text-decoration: none; }
.footer-admin-link:hover { color: #cbd5e1; }

/* ===================== Админка ===================== */

.admin-body { background: #f1f5f9; }
.admin-layout { min-height: 100vh; }

.admin-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #1e1b4b, #312e81);
  color: #fff;
}
.admin-brand { border-bottom: 1px solid rgba(255, 255, 255, .12); }
.admin-sidebar .nav-link {
  color: rgba(255, 255, 255, .75);
  border-radius: .5rem;
  margin-bottom: .15rem;
}
.admin-sidebar .nav-link:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.admin-sidebar .nav-link.active { background: var(--accent); color: #1e1b4b; font-weight: 600; }

.admin-topbar { background: #fff; border-bottom: 1px solid #e2e8f0; }

.stat-card { border-radius: 1rem; }
.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: .75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: .75rem;
}
.stat-label { color: #64748b; font-size: .85rem; }
.stat-value { font-size: 1.5rem; font-weight: 700; color: #0f172a; }

/* ===================== Логин ===================== */

.login-bg {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(79, 70, 229, .4), transparent 55%),
    radial-gradient(ellipse at 90% 100%, rgba(56, 189, 248, .25), transparent 50%),
    linear-gradient(135deg, #1e1b4b, #312e81 60%, #4f46e5);
  padding: 1rem;
}
.login-card { width: 100%; max-width: 400px; border-radius: 1rem; }
.login-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--brand), #6366f1);
  color: #fff;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===================== Адаптив админки ===================== */

@media (max-width: 767px) {
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; }
  .admin-sidebar ul { flex-direction: row !important; flex-wrap: wrap; }
}