/* ============================================================
   Морские Штучки — Структура и Layout
   ============================================================ */

/* === Базовый layout === */
html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--ms-pearl);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
}

/* === Navbar === */
.ms-navbar {
  background: linear-gradient(135deg, var(--ms-ocean-deep) 0%, var(--ms-ocean-dark) 100%);
  padding: 0 0;
  min-height: var(--ms-navbar-height);
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: 0 2px 16px rgba(7, 22, 41, 0.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.ms-navbar .container-fluid {
  padding: 0 1.5rem;
}

/* Brand */
.ms-navbar .navbar-brand {
  font-family: var(--ms-font-display);
  font-size: 1.35rem;
  color: var(--ms-white) !important;
  letter-spacing: 0.07em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  transition: opacity var(--ms-transition);
  white-space: nowrap;
}

.ms-navbar .navbar-brand:hover {
  opacity: 0.82;
}

.ms-navbar .navbar-brand .ms-brand-icon {
  font-size: 1.6rem;
  color: var(--ms-seafoam-light);
  line-height: 1;
}

/* Nav links */
.ms-navbar .nav-link {
  color: rgba(255, 255, 255, 0.78) !important;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.025em;
  padding: 0.45rem 1rem !important;
  border-radius: var(--ms-r-sm);
  transition: all var(--ms-transition);
}

.ms-navbar .nav-link:hover,
.ms-navbar .nav-link.active {
  color: var(--ms-white) !important;
  background: rgba(255, 255, 255, 0.1);
}

/* Toggler */
.ms-navbar .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3);
  padding: 0.35rem 0.6rem;
}

.ms-navbar .navbar-toggler-icon {
  filter: invert(1) brightness(1.5);
}

.ms-navbar .navbar-collapse {
  padding-bottom: 0.1rem;
}

/* Мобильное меню */
@media (max-width: 575px) {
  .ms-navbar .navbar-collapse.show,
  .ms-navbar .navbar-collapse.collapsing {
    background: var(--ms-ocean-dark);
    margin: 0 -1.5rem;
    padding: 0.5rem 1.5rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .ms-navbar .nav-link {
    border-radius: 0;
    padding: 0.6rem 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
}

/* === Волновой разделитель под навбаром === */
.ms-header-wave {
  display: block;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  margin-top: -1px;
  height: 40px;
  background: var(--ms-wave-light) no-repeat bottom / 100% 100%;
  pointer-events: none;
}

/* === Заголовок страницы с градиентом === */
.ms-page-header {
  background: linear-gradient(135deg, var(--ms-ocean-mid) 0%, var(--ms-ocean) 100%);
  color: var(--ms-white);
  padding: 3.5rem 0 5.5rem;
  position: relative;
  overflow: hidden;
}

.ms-page-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--ms-wave-light) no-repeat bottom / 100% 100%;
}

/* Декоративные круги в заголовке */
.ms-page-header::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.ms-page-header h1 {
  color: var(--ms-white);
  font-size: clamp(1.9rem, 5vw, 3rem);
  margin-bottom: 0.75rem;
  text-shadow: 0 2px 12px rgba(7, 22, 41, 0.3);
}

.ms-page-header .lead {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.15rem;
  margin-bottom: 0;
}

/* === Главный контент === */
.ms-main {
  flex: 1 1 auto;
  margin-bottom: 1rem;
}

/* === Хлебные крошки === */
.ms-breadcrumb-wrap {
  padding: 1rem 0 0.5rem;
}

.ms-breadcrumb-wrap .breadcrumb {
  background: transparent;
  padding: 0;
  margin: 0;
  font-size: 0.88rem;
}

.ms-breadcrumb-wrap .breadcrumb-item + .breadcrumb-item::before {
  color: var(--ms-text-light);
}

.ms-breadcrumb-wrap .breadcrumb-item a {
  color: var(--ms-ocean);
}

.ms-breadcrumb-wrap .breadcrumb-item.active {
  color: var(--ms-text-muted);
}

/* === Footer === */
.ms-footer {
  background: linear-gradient(180deg, var(--ms-ocean-dark) 0%, var(--ms-ocean-deep) 100%);
  color: rgba(255, 255, 255, 0.65);
  position: relative;
  padding: 3rem 0 0;
  margin-top: auto;
}

/* Волна сверху футера */
.ms-footer::before {
  content: '';
  display: block;
  position: absolute;
  top: -44px;
  left: 0;
  right: 0;
  height: 45px;
  background: var(--ms-wave-dark) no-repeat bottom / 100% 100%;
  pointer-events: none;
}

.ms-footer a {
  color: rgba(255, 255, 255, 0.58);
  transition: color var(--ms-transition);
  text-decoration: none;
}

.ms-footer a:hover {
  color: var(--ms-seafoam-light);
}

.ms-footer-brand {
  font-family: var(--ms-font-display);
  font-size: 1.25rem;
  color: var(--ms-white);
  letter-spacing: 0.07em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

.ms-footer-tagline {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0;
}

.ms-footer-heading {
  font-family: var(--ms-font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0.85rem;
}

.ms-footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ms-footer-nav li {
  margin-bottom: 0.45rem;
}

.ms-footer-bottom {
  padding: 1.25rem 0;
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
}

.ms-footer-bottom a {
  color: rgba(255, 255, 255, 0.35);
}

.ms-footer-bottom a:hover {
  color: var(--ms-seafoam-light);
}

/* === Секции с фоном === */
.ms-section-ocean {
  background: linear-gradient(135deg, var(--ms-ocean-dark), var(--ms-ocean-mid));
  color: var(--ms-white);
}

.ms-section-sand {
  background: var(--ms-sand);
}

/* === Адаптив === */
@media (max-width: 991px) {
  .ms-page-header {
    padding: 2.5rem 0 4.5rem;
  }
}

@media (max-width: 767px) {
  .ms-footer {
    text-align: center;
  }

  .ms-footer-brand {
    justify-content: center;
  }

  .ms-page-header {
    padding: 2rem 0 4rem;
  }
}