* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #0f172a;
    color: #e2e8f0;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Шапка и Навигация */
header {
    background-color: #1e293b;
    border-bottom: 1px solid #334155;
    padding: 15px 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: #f8fafc;
    text-decoration: none;
}

nav a {
    color: #94a3b8;
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover, nav a.active {
    color: #38bdf8;
}

/* Специфические элементы */
.hero {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 40px 0;
    flex-wrap: wrap;
    gap: 20px;
}

.badge-247 {
    border: 2px dashed #38bdf8;
    color: #38bdf8;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 1px;
}

/* Блок контактов и кнопки */
.contacts-block {
    background: #1e293b;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #334155;
    margin: 30px 0;
}

.contacts-buttons {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.btn-contact {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 8px;
    color: #ffffff;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.2s, opacity 0.2s;
}

.btn-contact:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-proton {
    background-color: #6d4aff; /* Фиолетовый Proton */
}

.btn-telegram {
    background-color: #24A1DE; /* Синий Telegram */
}

/* Текстовые блоки */
.content-section {
    background: #1e293b;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #334155;
    margin: 30px 0;
}

.content-section h2 {
    margin-bottom: 15px;
    color: #f8fafc;
}

/* FAQ Аккордеон */
details {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 8px;
    margin-bottom: 12px;
    padding: 15px 20px;
}

summary {
    font-weight: 600;
    cursor: pointer;
    color: #f8fafc;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: "+";
    font-size: 1.2rem;
    color: #38bdf8;
}

details[open] summary::after {
    content: "−";
}

details p {
    margin-top: 10px;
    color: #94a3b8;
}

/* Подвал */
footer {
    margin-top: auto;
    background-color: #020617;
    border-top: 1px solid #1e293b;
    padding: 20px 0;
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
}

/* Уведомление о копировании */
.copy-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #10b981;
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
    display: none;
    font-weight: 600;
}