:root {
  /* Новая, более стильная цветовая палитра */
  --bg-color: #0f0f0f; /* Глубокий, насыщенный чёрный */
  --card-bg: #1a1a1a; /* Основной фон карточек */
  --card-bg-secondary: #232323; /* Для хедеров карточек, аккордеонов */
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --primary-color: #7c3aed; /* Красивый фиолетовый вместо оранжевого */
  --primary-hover: #6d28d9;
  --success-color: #10b981; /* Яркий, но не кислотный зелёный */
  --success-bg: rgba(16, 185, 129, 0.1);
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --info-color: #0ea5e9;
  --border-color: #2d2d2d;
  --input-bg: #232323;
  --input-border: #3d3d3d;
  --input-focus: #7c3aed;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  background-image:
      radial-gradient(circle at 15% 50%, rgba(28, 28, 28, 0.4) 0%, transparent 40%),
      radial-gradient(circle at 85% 30%, rgba(28, 28, 28, 0.4) 0%, transparent 40%);
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.content.container {
  max-width: 1200px;
}

/* ===== ТИПОГРАФИЯ ===== */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-weight: 600;
}

.display-5 {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lead {
  font-weight: 400;
}

/* ===== КАРТОЧКИ ===== */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.6);
}

.card-header {
  background-color: var(--card-bg-secondary);
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
}

/* ===== КНОПКИ ===== */
.btn {
  border-radius: 0.5rem;
  font-weight: 500;
  transition: all 0.2s ease;
  border: none;
}
.btn-lg {
  padding: 0.875rem 1.75rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-color) 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 15px rgba(124, 58, 237, 0.3);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
}
.btn-success:hover {
  background: linear-gradient(135deg, #059669 0%, var(--success-color) 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 15px rgba(16, 185, 129, 0.3);
}

.btn-outline-primary {
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}
.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: white;
}

.btn-outline-secondary {
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}
.btn-outline-secondary:hover {
  background-color: var(--card-bg-secondary);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

/* ===== ФОРМЫ ===== */
.form-signin {
  max-width: 400px;
  padding: 2rem;
}

.form-control, .form-select {
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-primary);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  height: auto;
}
.form-control:focus, .form-select:focus {
  background-color: var(--input-bg);
  border-color: var(--input-focus);
  color: var(--text-primary);
  box-shadow: 0 0 0 0.25rem rgba(124, 58, 237, 0.1);
}

.form-floating > label {
  color: var(--text-secondary);
  padding: 0.75rem 1rem;
}
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
  transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
  color: var(--primary-color);
  background: transparent;
  padding: 0.2rem 0.5rem;
}

.input-group-text {
  background-color: var(--card-bg-secondary);
  border: 1px solid var(--input-border);
  color: var(--text-secondary);
}

/* ===== АККОРДЕОН ===== */
.accordion {
  --bs-accordion-bg: var(--card-bg);
  --bs-accordion-border-color: var(--border-color);
  --bs-accordion-btn-bg: var(--card-bg-secondary);
  --bs-accordion-btn-color: var(--text-primary);
  --bs-accordion-active-bg: var(--card-bg-secondary);
  --bs-accordion-active-color: var(--primary-color);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 0.25rem rgba(124, 58, 237, 0.1);
}
.accordion-button:not(.collapsed) {
  box-shadow: inset 0 -1px 0 var(--border-color);
  font-weight: 600;
}
.accordion-body {
  background-color: var(--card-bg);
}

/* ===== АЛЕРТЫ ===== */
.alert {
  border: none;
  border-radius: 0.5rem;
  border-left: 4px solid;
}
.alert-info {
  background-color: rgba(14, 165, 233, 0.1);
  border-left-color: var(--info-color);
  color: var(--info-color);
}
.alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  border-left-color: var(--success-color);
  color: var(--success-color);
}
.alert-warning {
  background-color: rgba(245, 158, 11, 0.1);
  border-left-color: var(--warning-color);
  color: var(--warning-color);
}
.alert-danger {
  background-color: rgba(239, 68, 68, 0.1);
  border-left-color: var(--danger-color);
  color: var(--danger-color);
}

/* ===== БЭДЖИ ===== */
.badge {
  font-weight: 500;
  border-radius: 0.375rem;
}
.bg-success {
  background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%) !important;
}

/* ===== СОЦИАЛЬНЫЕ КНОПКИ ===== */
.social-auth-container {
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}
.social-buttons-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}
.social-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  min-width: 120px;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-primary);
}
.social-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--text-primary);
}
.google-btn:hover { border-color: #4285F4; background-color: rgba(66, 133, 244, 0.1); }
.yandex-btn:hover { border-color: #FFCC00; background-color: rgba(255, 204, 0, 0.1); }

/* ===== ДОПОЛНИТЕЛЬНЫЕ ЭЛЕМЕНТЫ ===== */
kbd {
  background-color: var(--card-bg-secondary);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
  border-radius: 0.25rem;
  padding: 0.15rem 0.35rem;
  font-size: 0.875em;
}

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

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 768px) {
  .display-5 {
      font-size: calc(1.425rem + 2.1vw);
  }
  .social-buttons-row {
      flex-direction: column;
  }
  .content.container {
      padding: 1rem;
  }
}

/*Для хоме*/
/* ===== ДОПОЛНИТЕЛЬНЫЕ СТИЛИ ДЛЯ ГЛАВНОЙ ===== */
.min-vh-75 {
    min-height: 75vh;
}

.text-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.hero-visual {
    position: relative;
}

.connection-line {
    transition: all 0.3s ease;
    min-width: 80px;
}
.connection-line:hover {
    transform: translateY(-5px);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    font-weight: bold;
    font-size: 1.5rem;
}

/* Анимация для плавного появления секций */
.row {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.row.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Адаптивность для главной */
@media (max-width: 992px) {
    .display-4 {
        font-size: calc(1.475rem + 2.7vw);
    }
    .hero-visual {
        margin-top: 3rem;
    }
}

/* ===== СТИЛИ ДЛЯ БЛОКА ПРЕИМУЩЕСТВ НА ГЛАВНОЙ ===== */
.advantage-item {
    transition: transform 0.3s ease;
}

.advantage-item:hover {
    transform: translateX(5px);
}

.advantage-icon {
    transition: all 0.3s ease;
}

.advantage-item:hover .advantage-icon {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgb(44, 34, 34);
}

/* Адаптивность для блока преимуществ */
@media (max-width: 992px) {
    .ps-lg-4 {
        padding-left: 0 !important;
    }

    .advantage-item {
        margin-bottom: 1.5rem !important;
    }

    .advantage-icon {
        width: 50px;
        height: 50px;
        padding: 0.75rem !important;
    }

    .advantage-icon i {
        font-size: 1.25rem !important;
    }
}

/* ===== ВАРИАНТ 1: СТИЛЬНАЯ КАРТОЧКА ===== */
.upsell-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, #2a2a2a 100%);
    border: 1px solid var(--primary-color);
    border-radius: 16px;
    padding: 0;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.2);
    position: relative;
}

.upsell-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.upsell-header h5 {
    margin: 0;
    font-weight: 600;
    font-size: 1.1rem;
    color: white;
}

.upsell-header .bi-gem {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
}

.upsell-close {
    margin-left: auto;
    opacity: 0.7;
    filter: brightness(0) invert(1);
}

.upsell-close:hover {
    opacity: 1;
}

.upsell-body {
    padding: 1.5rem;
}

.upsell-progress {
    margin-bottom: 1.5rem;
}

.progress-text {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.95rem;
}

.stat-warning {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--warning-color);
    font-weight: 500;
}

.upsell-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-upsell-primary {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    border: none;
    border-radius: 12px;
    padding: 12px 20px;
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-upsell-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-upsell-secondary {
    background: transparent;
    border: 2px solid var(--danger-color);
    border-radius: 12px;
    padding: 12px 20px;
    color: var(--danger-color);
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-upsell-secondary:hover {
    background: var(--danger-color);
    color: white;
    transform: translateY(-2px);
}