:root {
    --primary: #6C5CE7;
    --primary-light: #A29BFE;
    --accent: #00CEC9;
    --bg: #0F0F1A;
    --bg-card: #1A1A2E;
    --bg-card-hover: #222240;
    --text: #E8E8F0;
    --text-secondary: #9898B0;
    --border: #2A2A45;
    --success: #00D2A0;
    --danger: #FF7675;
    --warning: #FDCB6E;
    --radius: 16px;
    --radius-sm: 10px;
    --glass: rgba(26,26,46,0.8);
    --gradient-1: linear-gradient(135deg, #6C5CE7, #00CEC9);
    --gradient-3: linear-gradient(135deg, #00D2A0, #00CEC9);
}

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

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    background-image:
            radial-gradient(ellipse at 20% 0%, rgba(108,92,231,0.15) 0%, transparent 50%),
            radial-gradient(ellipse at 80% 100%, rgba(0,206,201,0.1) 0%, transparent 50%);
}

#app { max-width: 1000px; margin: 0 auto; padding: 24px 20px; }

/* ===== НАВИГАЦИЯ ===== */
.nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 24px;
    position: sticky;
    top: 16px;
    z-index: 100;
}

.nav-brand { display: flex; align-items: center; }
.brand-link { text-decoration: none; display: flex; align-items: center; gap: 10px; }

.brand-icon {
    font-size: 1.8rem;
    width: 44px;
    height: 44px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-text {
    font-size: 1.3rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    padding: 10px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s;
    white-space: nowrap;
}

.nav-link:hover { background: rgba(108,92,231,0.15); color: var(--text); }
.nav-link.active { background: var(--gradient-1); color: white; }

/* ===== ЯЗЫКОВЫЕ ФЛАГИ ===== */
.lang-flags { display: flex; gap: 4px; margin-left: 8px; }
.lang-flags span { cursor: pointer; font-size: 1.3rem; padding: 2px; border-radius: 4px; }
.lang-flags span:hover { background: rgba(108,92,231,0.2); }

/* ===== ГАМБУРГЕР ===== */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 200;
}
.hamburger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s; }

/* ===== МОБИЛЬНОЕ МЕНЮ ===== */
.menu-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px); z-index: 300; display: flex; justify-content: flex-end;
}
.menu-dropdown { } 
    width: 300px; max-width: 90vw; height: 100vh; background: var(--bg-card);
    border-left: 1px solid var(--border); padding: 24px; overflow-y: auto;
    display: flex; flex-direction: column;
}
.menu-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 32px; padding-bottom: 16px; border-bottom: 1px solid var(--border);
}
.brand-text-sm {
    font-size: 1.2rem; font-weight: 700;
    background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.menu-close {
    background: none; border: none; color: var(--text); font-size: 1.5rem;
    cursor: pointer; padding: 8px; border-radius: 50%; width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
}
.menu-close:hover { background: var(--bg); }
.menu-links { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.menu-link {
    display: flex; align-items: center; gap: 12px; text-decoration: none;
    color: var(--text); padding: 16px 20px; border-radius: var(--radius-sm);
    font-size: 1.05rem; font-weight: 500; background: var(--bg); border: 1px solid transparent;
}
.menu-link:hover { border-color: var(--primary); background: rgba(108,92,231,0.1); transform: translateX(4px); }
.menu-emoji { font-size: 1.3rem; width: 30px; text-align: center; }

/* ===== КАРТОЧКИ ===== */
.card {
    background: var(--bg-card); border-radius: var(--radius);
    padding: 28px; margin-bottom: 20px; border: 1px solid var(--border);
}
.card h2 { font-size: 1.4rem; font-weight: 700; margin-bottom: 20px; }
.card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 12px; }

/* ===== ФОРМЫ ===== */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 1px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px; background: var(--bg);
    border: 2px solid var(--border); border-radius: var(--radius-sm);
    font-size: 0.95rem; color: var(--text); font-family: inherit; outline: none;
}
.form-group input:focus, .form-group select:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(108,92,231,0.15); }
.form-group select option { background: var(--bg-card); color: var(--text); }

/* ===== КНОПКИ ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 28px; border: none; border-radius: 25px;
    font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all 0.3s;
}
.btn-primary { background: var(--gradient-1); color: white; box-shadow: 0 4px 15px rgba(108,92,231,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(108,92,231,0.4); }
.btn-secondary { background: var(--gradient-3); color: var(--bg); }
.btn-secondary:hover { transform: translateY(-2px); }
.btn-outline { background: transparent; border: 2px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); background: rgba(108,92,231,0.1); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-danger { background: transparent; color: var(--danger); border: 2px solid transparent; }
.btn-danger:hover { background: rgba(255,118,117,0.1); border-color: var(--danger); }

/* ===== ТАРИФЫ ===== */
.pricing-card {
    background: var(--bg-card); border-radius: var(--radius);
    padding: 28px; border: 1px solid var(--border);
    text-align: center; transition: all 0.3s; position: relative;
}
.pricing-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(108,92,231,0.2); }
.pricing-card .badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    border-radius: 25px; font-weight: 600; font-size: 0.85rem;
}
.pricing-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.pricing-card .price { font-size: 2.5rem; font-weight: 800; color: var(--accent); margin: 8px 0; }
.pricing-card .period { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 20px; }
.pricing-card ul { list-style: none; text-align: left; margin: 0 0 20px; padding: 0; }
.pricing-card ul li { padding: 8px 0; border-bottom: 1px solid var(--border); color: var(--text-secondary); font-size: 0.9rem; }
.pricing-card ul li:last-child { border-bottom: none; }

/* ===== ТАБЛИЦЫ ===== */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 14px 12px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-secondary); background: var(--bg); }
td { padding: 14px 12px; border-bottom: 1px solid var(--border); font-size: 0.95rem; }
tr:hover td { background: rgba(108,92,231,0.05); }

/* ===== РЕЗУЛЬТАТЫ ===== */
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.result-item { background: var(--bg); padding: 20px 16px; border-radius: var(--radius-sm); text-align: center; border: 1px solid var(--border); }
.result-item .value { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.result-item .label { font-size: 0.75rem; color: var(--text-secondary); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ===== АДАПТАЦИЯ ===== */
@media (max-width: 1200px) { .nav-desktop { display: flex; } .hamburger { display: flex !important; } }
@media (max-width: 768px) { #app { padding: 16px 12px; } .card { padding: 20px 16px; } .result-grid { grid-template-columns: 1fr 1fr; } .menu-dropdown { }  width: 100vw; max-width: 100vw; } }
@media (max-width: 480px) { .result-grid { grid-template-columns: 1fr; } }

/* ===== ФЛАГИ В МОБИЛЬНОМ МЕНЮ ===== */
.menu-dropdown .lang-flags { display: flex !important; gap: 8px; align-items: center; justify-content: center; padding: 16px 0; margin-top: 8px; border-top: 1px solid var(--border); }
.menu-dropdown .lang-flags span { cursor: pointer; font-size: 1.3rem; padding: 4px; }
.menu-dropdown .lang-flags span:hover { background: rgba(108,92,231,0.2); }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }
@media (max-width: 768px) { .nav-desktop { display: none !important; } .hamburger { display: flex !important; } }
.menu-overlay { display: flex; }