@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #f8fafc;
    color: #1e293b;
}

.glass-nav {
    backdrop-filter: saturate(180%) blur(20px);
    background-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 2px; /* Минимальный отступ */
  animation: fadeIn 0.2s ease-out;
  pointer-events: none; /* Важно для плавности */
}

/* Главный фикс - расширяем зону hover */
.dropdown:hover .dropdown-menu,
.dropdown-menu:hover {
  display: block;
  pointer-events: auto;
  animation: fadeIn 0.2s ease-out;
}

/* Создаем "мост" между кнопкой и меню */
.dropdown::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 10px;
  background: transparent;
  z-index: 1;
}

/* Анимация появления */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: #3b82f6;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.logo-text {
    background: linear-gradient(90deg, #3B82F6, #10B981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-gradient {
    background: linear-gradient(135deg, #f0f9ff 0%, #f8fafc 100%);
}

.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Анимации для секции проверок */
.check-section {
    background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
}

.check-tab {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.check-tab.active {
    background-color: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.check-tab:hover:not(.active) {
    background-color: rgba(255, 255, 255, 0.7);
}

.result-card {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.result-card.show {
    opacity: 1;
    transform: translateY(0);
}

.input-field {
    transition: all 0.3s ease;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.input-field:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Custom checkbox */
.custom-checkbox {
    position: relative;
    padding-left: 30px;
    cursor: pointer;
    user-select: none;
}

.custom-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: white;
    border: 2px solid #cbd5e1;
    border-radius: 4px;
    transition: all 0.2s;
}

.custom-checkbox:hover input~.checkmark {
    border-color: #94a3b8;
}

.custom-checkbox input:checked~.checkmark {
    background-color: #3b82f6;
    border-color: #3b82f6;
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.custom-checkbox input:checked~.checkmark:after {
    display: block;
}

.custom-checkbox .checkmark:after {
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Stats section */
.stat-card {
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

/* Testimonials */
.testimonial-card {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* FAQ */
.faq-item {
    border-bottom: 1px solid #e2e8f0;
}

.faq-question {
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: #3b82f6;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

/* Footer */
.footer-link {
    transition: all 0.2s ease;
}

.footer-link:hover {
    color: #3b82f6;
    transform: translateX(3px);
}