:root {
    --bg-color: #0D0D0D;
    --text-color: #F2F2F2;
    --muted-color: #D9D9D9;
    --heading-color: #E0E0E0;
    --accent-color: #00AEEF;
    --hover-color: #22D3EE;
    --card-bg: #1A1A1A;
    --hover-card-bg: #333333;
    --border-color: #2E2E2E;


    --bs-border-radius: 0.3rem;
    --bs-border-radius-sm: 0.2rem;
    --bs-border-radius-lg: 0.2rem;
}

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

h1, h2, h3, h4, h5,
p, li {
    color: var(--text-color);
    font-family: "Montserrat", sans-serif;
}

h1, h2, h3, h4, h5 {
    color: var(--heading-color);
}

.text-muted {
    color: var(--muted-color) !important;
}

.hero{
    will-change: transform;
    content-visibility: auto;
}

.gradient-text,
.text-gradient {
    background: linear-gradient(90deg, #00AEEF, #22D3EE);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Базовые стили */
.btn {
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    padding: 0.75rem 1.75rem;
    border-radius: 0.5rem;
    transition: all 0.25s ease;
}

/* Основная кнопка */
.btn-primary {
    background: linear-gradient(135deg, #00AEEF, #22D3EE);
    color: #000;
    box-shadow: 0 0 12px rgba(0,174,239,0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #22D3EE, #7C3AED);
    color: #fff;
    box-shadow: 0 0 16px rgba(124,58,237,0.35);
}

/* Контурная кнопка */
.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
}

.btn-outline-primary:hover {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 0 12px rgba(0,174,239,0.3);
}

/* Стеклянная кнопка */
.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    /* border: 1px solid rgba(255,255,255,0.15); */
    backdrop-filter: blur(6px);
    color: #fff;
    box-shadow: 0 0 10px rgba(0,174,239,0.15);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0,174,239,0.4);
    box-shadow: 0 0 14px rgba(0,174,239,0.3);
}

/* Тёмная */
.btn-dark-rounded {
    background: #1A1A1A;
    color: #fff;
    border: 1px solid #333;
    box-shadow: inset 0 0 6px rgba(255,255,255,0.05);
}

.btn-dark-rounded:hover {
    background: #333;
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 12px rgba(0,174,239,0.25);
}

.top-border-radius{
    border-top-left-radius: var(--bs-card-border-radius) !important;
    border-top-right-radius: var(--bs-card-border-radius) !important;
}
.bottom-border-radius{
    border-bottom-left-radius: var(--bs-card-border-radius) !important;
    border-bottom-right-radius: var(--bs-card-border-radius) !important;
}

/* Карточки */
.card, .card-footer, .carousel .card, .course-card {
    /* background-color: var(--card-bg);
    color: var(--text-color); */
    background: radial-gradient(circle at top left, #1A1A1A, #0D0D0D);
    border-radius: 1rem;
    box-shadow: 0 0 20px rgba(0, 174, 239, 0.15);
}
/* Общий стиль карточек */
.card {
    background: #1C1C1C;
    border-radius: 0.8rem;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

/* Ховер-эффект */
.card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-color);
    box-shadow: 0 8px 20px rgba(0,174,239,0.2);
}

/* Иконка */
.icon-box {
    width: 70px;
    height: 70px;
    min-width: 70px;
    border-radius: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,174,239,0.15), rgba(124,58,237,0.15));
    border: 1px solid rgba(0,174,239,0.4);
    color: var(--accent-color);
    box-shadow: 0 0 12px rgba(0,174,239,0.2);
    transition: all 0.3s ease;
}

/* Ховер для иконки */
.card:hover .icon-box {
    background: linear-gradient(135deg, #00AEEF, #22D3EE);
    color: #000;
    border-color: transparent;
    box-shadow: 0 0 16px rgba(0,174,239,0.4);
}

/* Заголовок */
.card h5 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, #00AEEF, #22D3EE);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Текст */
.card p {
    color: var(--muted-color);
    font-size: 0.95rem;
    line-height: 1.5;
}

.card-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.card-title {
  font-weight: 700;
  color: var(--heading-color);
}

.card-text {
  color: var(--muted-color);
}

.card-feature {
    background: #141414;
    border-radius: 0.8rem;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
}

.card-feature:hover {
    transform: translateY(-6px);
    border-color: var(--accent-color);
    box-shadow: 0 8px 20px rgba(0,174,239,0.2);
}

.card-feature h5 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #00AEEF, #22D3EE);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card-feature p {
    color: var(--muted-color);
    font-size: 0.95rem;
    line-height: 1.5;
}

.card-feature::before {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    background-image: radial-gradient(circle, rgba(0,174,239,0.15) 2px, transparent 2px);
    background-size: 12px 12px;
    opacity: 0.4;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.card-feature:hover::before {
    opacity: 0.7;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: none;
  }
}

.glass-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(12px);
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 0 30px rgba(0,174,239,0.15);
}

/* Иконки и анимации */
.icon-box {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to right, #00aeef33, #00aeef11);
  border: 2px solid #00aeef;
  box-shadow: 0 0 15px #00aeef33;
  color: #00aeef;
  transition: transform 0.3s ease;
}

.card-feature:hover .icon-box {
  animation: bounce 0.6s ease;
}

@keyframes bounce {
  0% { transform: scale(1); }
  30% { transform: scale(1.15); }
  60% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

/* Карточки курсов */
.course-card {
    background: linear-gradient(145deg, #1A1A1A, #141414);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,174,239,0.15), 0 4px 12px rgba(124,58,237,0.1);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    position: relative;
}

/* Hover эффект */
.course-card:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 30px rgba(0,174,239,0.3), 0 6px 18px rgba(124,58,237,0.2);
}

/* Бейдж курса */
.course-badge {
    background: linear-gradient(135deg, #00AEEF, #22D3EE, #7C3AED, #FF3DBB);
    color: #000;
    font-size: 0.75rem;
    padding: 0.35em 0.7em;
    border-radius: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
    /* margin-bottom: 0.5rem; */
    box-shadow: 0 0 12px rgba(0,174,239,0.25);
}

/* Длительность курса */
.course-duration {
    color: var(--muted-color);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

/* Цена курса */
.course-price {
    background: linear-gradient(90deg, #00AEEF, #22D3EE);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    font-size: 1rem;
}

/* Декоративные элементы */
.course-card::before {
    content: "";
    position: absolute;
    top: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
    background-image: radial-gradient(circle, rgba(0,174,239,0.2) 2px, transparent 2px);
    background-size: 12px 12px;
    opacity: 0.3;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.course-card:hover::before {
    opacity: 0.6;
}


/* Тарифы */
.tier-gold {
  background: linear-gradient(90deg, #FFD700, #E6B800);
  /* -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; */
  font-weight: bold;
}

.tier-silver {
  background: linear-gradient(90deg, #E0E0E0, #AFAFAF);
  /* -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; */
  font-weight: bold;
}

/* Листинг */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.feature-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0;
  margin-left: 3px;
  color: var(--accent-color);
  font-weight: bold;
  font-size: 1.1rem;
  line-height: 1;
}

.plus-list li::before {
  content: "+";
  font-size: 1.4rem;
}

/* Ограниченное количество */
.mega-counter {
  font-size: 2rem;
  text-align: center;
  color: var(--muted-color);
  margin-top: -40px;
  margin-bottom: 60px;
  z-index: 1;
}

.mega-number {
  font-size: 8rem;
  font-weight: 900;
  /* background: linear-gradient(to right, #FF512F, #F09819); */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  line-height: 1;
}

.limited-badge {
  top: -1.5rem;
  left: -1rem;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  background-color: rgba(0, 174, 239, 0.05);
  backdrop-filter: blur(4px);
  z-index: 3;
}

/* Дополнительно */
.corner-icon {
  color: var(--accent-color);
  left: -10%;
  top: -25px;
  font-size: 72px;
}

section.bg-light {
  background-color: #141414 !important;
}

section.bg-primary {
  background-color: var(--accent-color) !important;
}

/* Адаптив */
@media (max-width: 576px) {
  .limited-badge {
    font-size: 0.875rem;
    top: -1rem;
    left: -0.5rem;
    padding: 0.4rem 0.8rem;
  }

  .mega-number {
    font-size: 7rem;
  }
}