/* Глобальные стили адаптивности и типографики */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --color-primary: #00bcd4;
    --color-shadow: #00798c;
}

body {
    font-family: var(--font-family-base);
    font-feature-settings: 'kern' 1, 'liga' 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ТИПОГРАФИКА */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-base);
    font-weight: 700;
    letter-spacing: -0.025em;
    text-rendering: optimizeLegibility;
    line-height: 1.2;
}

/* МОБИЛЬНАЯ АДАПТИВНОСТЬ */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    /* Мобильная навигация */
    .main-navigation {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid #e5e7eb;
        z-index: 50;
        padding: 0.5rem;
    }

    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 0.5rem;
        font-size: 0.75rem;
        color: #6b7280;
        transition: color 0.2s;
    }

    .mobile-nav-item.active {
        color: var(--color-primary);
    }

    .mobile-nav-item svg {
        width: 1.25rem;
        height: 1.25rem;
        margin-bottom: 0.25rem;
    }
}

/* ПЛАНШЕТНАЯ АДАПТИВНОСТЬ */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

/* УЛУЧШЕННЫЕ КНОПКИ */
.btn {
    font-family: var(--font-family-base);
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: all 0.2s ease;
    border-radius: 0.5rem;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* УЛУЧШЕННЫЕ ФОРМЫ */
.form-input {
    font-family: var(--font-family-base);
    border-radius: 0.5rem;
    border: 1px solid #d1d5db;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.1);
    outline: none;
}

/* КАРТОЧКИ */
.card {
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 10px 15px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* АНИМАЦИИ */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ДОСТУПНОСТЬ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ВЫСОКИЙ КОНТРАСТ */
@media (prefers-contrast: high) {
    .btn, .form-input {
        border-width: 2px;
    }
}

/* RTL ПОДДЕРЖКА */
[dir="rtl"] {
    text-align: right;
}

[dir="rtl"] .grid {
    direction: rtl;
}