/* ===================================
   ГЛОБАЛЬНЫЕ СТИЛИ
   Универсальное оформление для всех страниц
   =================================== */

/* === БАЗОВЫЕ НАСТРОЙКИ === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}
/* === HERO СЕКЦИЯ БЕЗ КОНТЕЙНЕРА === */
.hero {
    text-align: center;
}

.hero-container {
    width: 100%;
    max-width: 690px;
    margin: 0 auto;
    padding: 0 10px;
}

.hero-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 48px;
    font-weight: 500;
}
html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    background: #0d0d10;
    color: rgba(255, 255, 255, 0.95);
    padding: 56px 0 0 0; /* Отступ под навбар */
    line-height: 1.6;
}

::selection {
    background: #0a84ff;
    color: white;
}

/* === КОНТЕЙНЕРЫ === */
.container {
    width: 100%;
    max-width: 690px;
    margin: 0 auto;
    padding: 0 10px;
}

.container-wide {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === СЕКЦИИ === */
section {
    padding: 60px 0;
}

.section-dark {
    background: #0d0d10;
}

.section-light {
    background: linear-gradient(180deg, #0d0d10 0%, #15151a 100%);
}

/* === ТИПОГРАФИКА === */

/* Заголовки */
h1, .h1 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
    line-height: 1.2;
}

h2, .h2 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 10px;
    line-height: 1.3;
}

h3, .h3 {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.3px;
    margin-bottom: 8px;
    line-height: 1.4;
}

h4, .h4 {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.2px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 6px;
    line-height: 1.4;
}

/* Подзаголовки */
.subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.65);
    font-weight: 500;
    margin-bottom: 48px;
}

.section-subtitle {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 40px;
    text-align: center;
}

/* Описания */
.description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
}

.description-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.description-list li {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.65);
    padding-left: 16px;
    position: relative;
    line-height: 1.5;
}

.description-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
    color: rgba(255, 255, 255, 0.4);
    font-size: 16px;
    line-height: 1.5;
}

/* Примечания */
.note {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.5;
}

.note a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: underline;
    transition: color 0.2s ease;
}

.note a:hover {
    color: rgba(255, 255, 255, 0.85);
}

/* === ТЕКСТОВЫЕ УТИЛИТЫ === */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* === ФОРМЫ === */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.75);
}

.form-input,
.form-textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1.5px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 14px 16px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.95);
    font-family: inherit;
    transition: all 0.2s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #0a84ff;
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.form-note {
    margin-top: 16px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.5;
}

.form-note a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: underline;
    transition: color 0.2s ease;
}

.form-note a:hover {
    color: rgba(255, 255, 255, 0.85);
}

/* === КНОПКИ === */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #0a84ff 0%, #0066cc 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(10, 132, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 132, 255, 0.35);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* === КАРТОЧКИ === */
.card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s ease;
}

.card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.08);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.card-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
}

/* === МОДАЛЬНЫЕ ОКНА === */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: rgba(13, 13, 16, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    max-width: 400px;
    width: 90%;
    text-align: center;
    animation: slideUp 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #0a84ff 0%, #0066cc 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: white;
    margin: 0 auto 24px;
    font-weight: bold;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.95);
}

.modal-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 28px;
    line-height: 1.5;
}

/* === УТИЛИТЫ ОТСТУПОВ === */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }

.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }

.py-60 { padding: 60px 0; }
.py-80 { padding: 80px 0; }

/* === ПЛЕЙСХОЛДЕРЫ (для разработки) === */
.placeholder {
    text-align: center;
    padding: 80px 20px;
}

.placeholder-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.35;
}

.placeholder-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: -0.5px;
}

.placeholder-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.45);
}

/* === ВИДЕО/МЕДИА === */
.video-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    margin: 0 0 10px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 500;
}

/* === АНИМАЦИИ === */
@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

.bounce-down {
    animation: bounceDown 1.5s ease-in-out infinite;
}

/* === АДАПТИВНОСТЬ === */
@media (max-width: 768px) {
    body {
        padding-top: 48px;
    }
    
    section {
        padding: 40px 0;
    }
    
    h1, .h1 {
        font-size: 28px;
    }
    
    h2, .h2 {
        font-size: 24px;
    }
    
    h3, .h3 {
        font-size: 16px;
    }
    
    .subtitle {
        font-size: 16px;
        margin-bottom: 32px;
    }
    
    .section-subtitle {
        font-size: 14px;
        margin-bottom: 32px;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .placeholder {
        padding: 60px 15px;
    }
    
    .placeholder-icon {
        font-size: 48px;
    }
    
    .placeholder-title {
        font-size: 24px;
    }
    
    .placeholder-text {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    h1, .h1 {
        font-size: 24px;
    }
    
    h2, .h2 {
        font-size: 20px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .modal-content {
        padding: 32px 24px;
    }
}