:root {
  --body-bg-color: #ffffff;
  --body-text-color: #000000;
  --heading-color: #322d24;
  --hero-gradient1: #aea3a3;
  --hero-gradient2: #ffffff;
  --footer-bg-color: #023a64;
  --link-color: #0f0f10;
  --header-bg-color: #023a6410;
  --font-family: Monaco, 'Menlo', monospace;
  --nav-link-color: #e2dbd0;
  --footer-text-color: #ffffff;
  --header-text-color: #ffffff;
}
html {
  overflow-x: hidden;
}
body {
  background-image: url('/images/.webp');
  background-repeat: no-repeat;  
  background-size: cover;          
  background-position: center;       
  background-attachment: fixed;     
  font-family: var(--font-family);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--body-text-color) !important;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(241, 232, 221, 0.911); 
  z-index: -1;
  backdrop-filter: blur(2px);
}



h1 {
    font-size: clamp(2rem, 4vw, 2.5rem) !important;
}
h2 {
    font-size: clamp(1.6rem, 3vw, 2rem) !important;
}
h3 {
    font-size: clamp(1.4rem, 3vw, 1.7rem) !important;
}
p {
  margin-bottom: 0.5rem !important;
}
  
  section {
  padding: 15px 0;
  scroll-margin-top: 70px;
}

h2, h3 {
  color: var(--heading-color) !important;
}



.content-area a {
  color: #4848ff !important;
  text-decoration: none !important;
}

.content-area a:hover {
  color: var(--link-color) !important;
  opacity: 0.8;
}

  .sidebar-page-list {
  padding: 0;
  margin: 0;
  margin-bottom: 17px;
  width: 279px;
}

.sidebar-page-list li {
  list-style-type: disc;
  list-style-position: inside;
  color: var(--heading-color);
}

.sidebar-page-list li::marker {
  color: var(--link-color);
  font-size: 1.2em;
}
.sidebar-page-list li:last-child {
  border-bottom: none;
}

.sidebar-page-list li a {
  padding: 12px 0;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  color: var(--link-color);
}

.sidebar-page-list li a:hover {
  padding-left: 11px;
}
  
.error_page {
  min-height: 70vh;
}


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

.footer a {
  text-decoration: none;
  color: #f1f1f1 !important;
}
.footer a:hover {
  color: var(--link-color) !important;
  opacity: 0.8;
}
  .footer img {
        filter: brightness(0) invert(1);
      }

 .navbar {
  background-color: var(--header-bg-color) !important;
  
}

.hero-section {
 padding: 115px 0 55px 0;
  position: relative;
  overflow: hidden;
  color: var(--header-text-color);
}

  .hero-section.with-bg {
  background-image: url('/images/cuos-song-hien-dai-bg.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-section.with-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.562));
  opacity: 0.5;
  z-index: 1;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

  .navbar-light .navbar-nav .nav-link {
    color: var(--nav-link-color, #141414) !important;
  }

  .navbar-light .navbar-nav .nav-link.active {
  color: var(--link-color) !important;
  font-weight: bold;
}
  /* Mobile nav */
@media (max-width: 1199.98px) {
  .navbar-collapse {
    position: fixed;
    top: 61px;
    left: 15px;
    right: 15px;
    background-color: color-mix(in srgb, var(--header-bg-color) 65%, transparent);
    backdrop-filter: blur(12px);
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    padding: 15px;
    margin: 0;
  }

  .navbar-nav {
    width: 100%;
  }

  .navbar-nav .nav-item {
    margin: 7px 0;
  }

  .navbar-nav .nav-item:hover {
    transform: translateY(-1px);
  }

  .navbar-nav .nav-link {
    font-size: 1.2rem;
    font-weight: 500;
    text-decoration: none;
    display: block;
    padding: 0;
  }

  .navbar-toggler {
    z-index: 10000;
    position: relative;
    border: var(--bs-border-width) solid var(--nav-link-color, #141414) !important;
  }
}

@media screen and (min-width: 1199.98px) {
.dropdown-menu {
    top: 100%;
    left: 50% !important;
    transform: translateX(-50%);
  }
}

.navbar .dropdown-toggle::after {
  transition: transform .3s ease
}

.dropdown:hover .dropdown-toggle::after {
  transform: rotate(180deg)
}

.custom-dropdown {
  border: 0;
  box-shadow: 0 10px 40px rgba(0, 0, 0, .15);
  border-radius: 12px;
  padding: .5rem 0;
  margin-top: .5rem;
  min-width: 220px;
  background: color-mix(in srgb, var(--header-bg-color) 65%, transparent) !important;
  backdrop-filter: blur(12px)
}

.custom-dropdown .dropdown-item {
  padding: .75rem 1.5rem;
  transition: all .3s ease;
  color: var(--nav-link-color, #141414) !important;
  font-weight: 500;
  border-radius: 0;
  text-wrap: wrap
}

.custom-dropdown .dropdown-item:hover {
  color: #fff;
  background: color-mix(in srgb, var(--header-bg-color) 95%, transparent) !important;
}

.custom-dropdown .dropdown-item i {
  width: 16px;
  color: #6c757d;
  transition: color .3s ease
}

.custom-dropdown .dropdown-item:hover i {
  color: #fff
}

.dropdown-menu {
  opacity: 0;
  transition: all .3s ease;
  display: block;
  visibility: hidden
}

.dropdown-menu.show {
  opacity: 1;
  transform: translateY(0);
  visibility: visible
}

@media (min-width:1199.98px) {
  .custom-dropdown {
    max-width: 200px
  }
}

@media (max-width:1199.98px) {
  .custom-dropdown {
    display: none;
    background: #f8f9fa;
    box-shadow: none;
    border-radius: 0;
    margin-top: 0;
    border-top: 1px solid #dee2e6
  }

  .custom-dropdown .dropdown-item:hover {
    margin: 0;
    border-radius: 0;
    transform: none
  }
}

.dropdown-menu:hover,
.dropdown:hover .dropdown-menu {
  display: block !important;
  visibility: visible;
  opacity: 1
}
.dropdown-item.active,
.dropdown-item:active {
  color: #fff;
  text-decoration: none;
  background-color: #91919131 !important;
}

.floating-rounded-navbar {
  background-color: var(--header-bg-color) !important;
  position: absolute !important;
  top: 15px !important;
  left: 7px !important;
  right: 7px !important;
  width: calc(100% - 11px) !important;
  z-index: 2000;
  border-radius: 21px;
  transition: all 0.3s ease;
}


@media (max-width: 1199.98px) {
  .floating-rounded-navbar .navbar-collapse {
    top: 85px !important;
  }
}

.navbar-brand {
  margin-right: 0 !important;
}
            


    .contact-container {
  width: 500px;
  margin: 100px auto 35px;
  padding: 15px 21px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0px 2px 8px rgba(0, 0, 0, 0.1);
  color: black !important;
}

@media screen and (max-width: 768px) {
  .contact-container {
    width: 100%;
    padding: 15px;
  }
}
.contact-header {
  text-align: center;
  margin-bottom: 20px;
}

.contact-header i {
  font-size: 2rem;
  color: #0d6efd;
  margin-bottom: 10px;
}

.email-link {
  display: block;
  margin-top: 15px;
  text-align: center;
  font-weight: bold;
  color: #0d6efd;
  text-decoration: none;
}
.scroll-top {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: 15px;
  bottom: -15px;
  z-index: 99999;
  background-color: var(--link-color);
  width: 44px;
  height: 44px;
  border-radius: 50px;
  transition: all 0.4s;
}
.scroll-top i {
  font-size: 24px;
  color: var(--footer-bg-color);
  line-height: 0;
}
.scroll-top:hover {
  background-color: color-mix(in srgb, var(--link-color), transparent 20%);
  color: var(--footer-bg-color);
}
.scroll-top.active {
  visibility: visible;
  opacity: 1;
  bottom: 15px;
}


@keyframes fadeInSoft {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes softGlow {
  0% { box-shadow: 0 0 10px rgba(255, 255, 255, 0.1); }
  50% { box-shadow: 0 0 25px rgba(255, 255, 255, 0.3); }
  100% { box-shadow: 0 0 10px rgba(255, 255, 255, 0.1); }
}

.styled-section {
  background: linear-gradient(135deg, #023A64, #335C81, #B8C6C1);
  color: #F7EFE5;
  padding: 20px 20px;
  border-radius: 25px;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
  margin: 70px auto;
  animation: fadeInSoft 1.8s ease-in-out;
  position: relative;
  overflow: hidden;
}

.styled-section::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255,255,255,0.05) 0%, transparent 70%);
  animation: softGlow 8s ease-in-out infinite;
  z-index: 0;
}

.styled-section h2 {
  color: #FFEBC1!important;
  font-family: 'Poppins', sans-serif;
  margin-bottom: 25px;
  position: relative;
  z-index: 2;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.15);
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
  display: inline-block;
  padding-bottom: 8px;
  animation: fadeInSoft 1.5s ease forwards;
}

.styled-section p {
  line-height: 1.8;
  margin-bottom: 20px;
  z-index: 2;
  position: relative;
  animation: fadeInSoft 2s ease forwards;
}

.styled-list {
  list-style: none;
  padding-left: 0;
  margin: 25px 0;
  position: relative;
  z-index: 2;
}

.styled-list li {
  margin-bottom: 15px;
  align-items: center;
  font-size: 1.07rem;
  animation: fadeInSoft 2.2s ease forwards;
  transition: transform 0.3s ease, color 0.3s ease;
}

.styled-list li:hover {
  transform: translateX(8px);
  color: #FFF4D0;
}

.styled-list i {
  background: linear-gradient(135deg, #B8C6C1, #FFEBC1);
  color: #023A64;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 14px;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
  font-size: 1.2rem;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.styled-list i:hover {
  transform: scale(1.15);
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.4);
}


/* Цветови променливи */
:root{
  --beige-100: #F6F2EA; /* фон на картите */
  --beige-200: #EFE6D6; /* акцент беж */
  --light-blue-100: #E6F7FF; /* много светло синьо */
  --light-blue-200: #BFE9FF; /* по-наситено светло синьо */
  --text-dark: #1f2933;
  --accent-blue: #0b6fa4;
  --card-radius: 12px;
  --card-shadow: 0 8px 24px rgba(11,111,164,0.08);
}

/* Основна секция */
.section-two{
  background: linear-gradient(180deg, rgba(191,233,255,0.12) 0%, rgba(246,242,234,0.6) 100%);
  padding: 40px 0;
}

/* Карти */
.section-two .card{
  background: var(--beige-100);
  border: none;
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: transform .28s ease, box-shadow .28s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* hover ефект на картата */
.section-two .card:hover{
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(11,111,164,0.12);
}


/* Тяло на картата */
.section-two .card-body{
  padding: 22px;
  color: var(--text-dark);
}

/* Заглавие */
.section-two .card-body h2{
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  font-size: 1.6rem;
  margin-bottom: .6rem;
  color: var(--accent-blue);
  letter-spacing: -0.2px;
}

/* Параграфи */
.section-two .card-body p{
  line-height: 1.6;
  color: #36454a;
  margin-bottom: .9rem;
  font-size: 0.98rem;
}