/* ============================================================
   TARENA ACADEMY — тема в стиле shop.neki.tj
   ============================================================ */

:root {
    --bg: #eef1f5;
    --card: #ffffff;
    --card-2: #e7ebf1;
    --border: rgba(38,38,38,.14);
    --text: #262626;
    --text-2: #3d4752;
    --muted: #64707d;
    --label: #3d4752;

    --primary: #2181b7;
    --primary-2: #2e96c9;
    --accent: #2181b7;
    --danger: #c94f4f;
    --danger-bd: #eac3c3;
    --warn: #d97706;
    --ok: #16a34a;

    --dark: #262626;
    --dark-text: #f4f6f8;
    --dark-muted: #aab4bd;

    --input-bg: #eef1f5;
    --input-border: rgba(38,38,38,.14);
    --input-focus-bg: #ffffff;
    --focus-ring: rgba(33,129,183,.15);

    --th-bg: #f4f7fa;
    --row-hover: #f8fafc;
    --empty-bg: rgba(255,255,255,.5);

    --badge-ok-bg: #e6f7ec;   --badge-ok-fg: #15803d;
    --badge-warn-bg: #fef3e2; --badge-warn-fg: #b45309;
    --badge-info-bg: #e2f0f8; --badge-info-fg: #2181b7;

    --alert-ok-bg: #e9f9ef;  --alert-ok-bd: #bbe8cc;  --alert-ok-fg: #166534;
    --alert-err-bg: #fbeeee; --alert-err-bd: #eac3c3; --alert-err-fg: #a83a3a;

    --radius: 12px;
    --shadow: 0 14px 34px rgba(38,38,38,.05);
    --shadow-lg: 0 24px 50px rgba(38,38,38,.1);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Manrope", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    background-image: radial-gradient(ellipse 80% 60% at 20% 10%, rgba(33,129,183,.07) 0%, transparent 60%);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* ---------- Top bar (тёмная, как на neki.tj) ---------- */
.topbar {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    padding: 14px 28px;
    background: rgba(38,38,38,.96);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.brand {
    font-weight: 800;
    font-size: 20px;
    letter-spacing: .5px;
    color: var(--dark-text);
    margin-right: auto;
}
.brand:hover { text-decoration: none; }
.brand span { color: #4da3d4; }
.topbar nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.topbar nav a {
    color: #c3cbd3;
    padding: 8px 13px;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 600;
}
.topbar nav a:hover { color: #fff; background: rgba(255,255,255,.08); text-decoration: none; }
.topbar nav .user { color: #8b949e; font-size: 13px; padding: 0 8px; }

/* Переключатель языка */
.lang-sw {
    display: flex;
    gap: 4px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 30px;
    padding: 3px;
    margin: 0 6px;
}
.lang-btn {
    padding: 5px 12px;
    border-radius: 12px;
    color: #c3cbd3 !important;
    font-size: 11px !important;
    font-weight: 600;
}
.lang-btn:hover { background: rgba(255,255,255,.12) !important; text-decoration: none; }
.lang-btn.active { background: var(--primary) !important; color: #fff !important; }

/* Выпадающее меню «Курсы» в навбаре */
.nav-drop { position: relative; display: inline-block; }
.nav-drop-btn {
    background: transparent;
    border: none;
    color: #c3cbd3;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 13px;
    border-radius: 9px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.nav-drop-btn:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav-drop-btn .caret { font-size: 10px; transition: transform .2s; }
.nav-drop-btn[aria-expanded="true"] .caret { transform: rotate(180deg); }
.nav-drop-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 210px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 11px;
    box-shadow: var(--shadow-lg);
    padding: 6px;
    z-index: 200;
    animation: fadeIn .18s ease;
}
.nav-drop-menu.open { display: block; }
.nav-drop-menu a {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--text) !important;
    font-size: 14px;
    font-weight: 600;
}
.nav-drop-menu a:hover { background: rgba(33,129,183,.1); color: var(--primary) !important; text-decoration: none; }
.nav-drop-menu .drop-all {
    border-top: 1px solid var(--border);
    margin-top: 4px;
    padding-top: 12px;
    color: var(--primary) !important;
}

.cat-prompt {
    text-align: center;
    color: var(--muted);
    font-size: 16px;
    background: var(--card);
    border: 1px dashed var(--input-border);
    border-radius: var(--radius);
    padding: 34px 24px;
    margin: 10px 0 24px;
}

.btn-logout {
    background: transparent;
    border: 1px solid rgba(255,255,255,.2);
}
.btn-nav { background: var(--primary); color: #fff !important; border: none; }
.btn-nav:hover { background: var(--primary-2) !important; }
.btn-logout:hover { color: #fff !important; background: var(--danger) !important; border-color: var(--danger); }

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 30px 24px 70px;
    flex: 1;
}
.site-footer {
    background: var(--dark);
    text-align: center;
    color: #8b949e;
    padding: 44px 24px;
    font-size: 13px;
}
.site-footer a { color: var(--dark-text); }
.site-footer a:hover { color: var(--primary-2); }
.footer-logo { font-size: 20px; font-weight: 800; color: var(--dark-text); margin-bottom: 8px; }
.footer-logo span { color: #4da3d4; }
.footer-contacts { margin-top: 8px; font-size: 13px; line-height: 1.8; }

h1 { font-size: 30px; margin: 0 0 6px; letter-spacing: -.5px; font-weight: 800; }
h2 { font-size: 21px; margin: 30px 0 14px; letter-spacing: -.3px; font-weight: 700; }
.subtitle { color: var(--muted); margin: 0 0 26px; }

/* ---------- Hero (в стиле neki.tj) ---------- */
.hero { text-align: center; padding: 80px 20px 50px; position: relative; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(33,129,183,.1);
    border: 1px solid rgba(33,129,183,.3);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    margin-bottom: 24px;
}
.hero-badge::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%,100% { opacity: 1; transform: scale(1); }
    50%     { opacity: .4; transform: scale(1.4); }
}
.hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 20px;
    color: var(--text);
}
.hero h1 span { color: var(--primary); }
.hero p { color: var(--muted); font-size: 17px; max-width: 560px; margin: 0 auto 36px; line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- Статистика под hero ---------- */
.stats {
    display: flex;
    justify-content: center;
    gap: 56px;
    flex-wrap: wrap;
    padding: 0 24px 60px;
}
.stat-num { font-size: 34px; font-weight: 800; color: var(--primary); text-align: center; }
.stat-label { color: var(--muted); font-size: 13px; text-align: center; margin-top: 4px; }

/* ---------- Заголовки секций ---------- */
.section-label {
    text-align: center;
    color: var(--primary);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin: 40px 0 12px;
}
.section-title { text-align: center; margin-top: 10px; font-size: clamp(22px, 3.5vw, 34px); letter-spacing: -1px; }
.section-title .muted { display: block; margin-top: 6px; font-weight: 400; font-size: 15px; }
.section-sub { text-align: center; color: var(--muted); font-size: 15px; margin: 0 auto 40px; max-width: 480px; }
.category-title {
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -.5px;
    margin: 46px 0 20px;
}
.category-title::after {
    content: '';
    display: block;
    width: 44px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    margin: 10px auto 0;
}

/* ---------- Кнопки категорий (как tier-tabs на neki.tj) ---------- */
.tier-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin: 10px 0 32px;
}
.tier-tab {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 9px 20px;
    border-radius: 9px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    transition: all .2s;
}
.tier-tab:hover { border-color: var(--primary); color: var(--primary); }
.tier-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.tier-tab .cnt {
    display: inline-block;
    margin-left: 7px;
    padding: 1px 8px;
    border-radius: 999px;
    background: rgba(33,129,183,.12);
    color: var(--primary);
    font-size: 12px;
}
.tier-tab.active .cnt { background: rgba(255,255,255,.2); color: #fff; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
}
.cat-group { animation: fadeIn .25s ease; scroll-margin-top: 84px; }

/* ---------- Cards ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 18px; }
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 22px;
    box-shadow: var(--shadow);
    transition: transform .3s, box-shadow .3s, border-color .3s;
    display: flex;
    flex-direction: column;
}
.grid > .card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(33,129,183,.4); }
.card-img {
    width: calc(100% + 44px);
    max-width: none;
    height: 150px;
    object-fit: cover;
    margin: -24px -22px 16px;
    border-radius: var(--radius) var(--radius) 0 0;
    display: block;
    background: var(--card-2);
}
.card h3 { margin: 0 0 8px; font-size: 17px; font-weight: 700; color: var(--primary); }
.card .meta { color: var(--muted); font-size: 13px; margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: 14px; line-height: 1.6; }
.card .form-actions { margin-top: auto; padding-top: 16px; }

/* Цена курса (как plan-price на neki.tj) */
.price { margin: 2px 0 4px; }
.price .amount { font-size: 28px; font-weight: 800; color: var(--text); }
.price .unit { font-size: 13px; color: var(--muted); font-weight: 600; }

/* Информация о курсе (длительность, лекции, язык, материалы) */
.spec-divider { height: 1px; background: var(--border); margin: 14px 0; }
.spec-list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin: 0 0 6px; padding: 0; }
.spec-item { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--muted); }
.spec-item .ico { font-size: 15px; width: 20px; text-align: center; flex: none; }
.spec-item strong { color: var(--text); font-weight: 600; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px,1fr)); gap: 16px; margin-bottom: 12px; }
.stat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}
.stat::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--primary);
    border-radius: 4px 0 0 4px;
}
.stat .num { font-size: 34px; font-weight: 800; color: var(--primary); }
.stat .label { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    transition: transform .2s, box-shadow .2s, border-color .2s, color .2s, background .2s;
}
.btn:hover { text-decoration: none; border-color: var(--primary); color: var(--primary); }
.btn-primary {
    background: var(--primary);
    border: none;
    color: #fff;
}
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(33,129,183,.3); }
.btn-accent { background: var(--primary); border: none; color: #fff; }
.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    width: 100%;
    text-align: center;
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-danger { background: var(--card); border-color: var(--danger-bd); color: var(--danger); }
.btn-danger:hover { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }

/* ---------- Forms ---------- */
form.panel, .panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow);
}
.auth-box { max-width: 430px; margin: 44px auto; }
label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin: 15px 0 6px; }
input, textarea, select {
    width: 100%;
    padding: 11px 14px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: border-color .2s, box-shadow .2s;
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--focus-ring);
    background: var(--input-focus-bg);
}
textarea { min-height: 110px; resize: vertical; }
.form-actions { margin-top: 20px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

/* ---------- Tables ---------- */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
th {
    background: var(--th-bg);
    color: var(--muted);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .5px;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--row-hover); }

/* ---------- Badges / alerts ---------- */
.badge { display: inline-block; padding: 4px 11px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge-gray { background: var(--card-2); color: var(--muted); }
.badge-ok   { background: var(--badge-ok-bg);   color: var(--badge-ok-fg); }
.badge-warn { background: var(--badge-warn-bg); color: var(--badge-warn-fg); }
.badge-info { background: var(--badge-info-bg); color: var(--badge-info-fg); }

.alert { padding: 13px 17px; border-radius: 10px; margin-bottom: 18px; font-size: 14px; font-weight: 500; }
.alert-success { background: var(--alert-ok-bg);  border: 1px solid var(--alert-ok-bd);  color: var(--alert-ok-fg); }
.alert-error   { background: var(--alert-err-bg); border: 1px solid var(--alert-err-bd); color: var(--alert-err-fg); }

.errors { background: var(--alert-err-bg); border: 1px solid var(--alert-err-bd); border-radius: 10px; padding: 10px 18px; margin-bottom: 16px; }
.errors li { color: var(--alert-err-fg); font-size: 14px; }

.muted { color: var(--muted); }
.empty {
    text-align: center;
    color: var(--muted);
    padding: 44px;
    border: 2px dashed var(--input-border);
    border-radius: var(--radius);
    background: var(--empty-bg);
}
.page-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 8px; }
.spacer { height: 18px; }
.pill-grade { font-size: 18px; font-weight: 800; color: var(--primary); }

/* ---------- Сертификат Cisco (тёмная секция, как about на neki.tj) ---------- */
.cert-section {
    background: var(--dark);
    border-radius: var(--radius);
    padding: 44px 40px;
    margin: 0 0 20px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}
.cert-section h2 { color: var(--dark-text); margin: 0 0 14px; font-size: clamp(22px, 3vw, 30px); letter-spacing: -.5px; }
.cert-section p { color: var(--dark-muted); font-size: 15px; line-height: 1.75; margin: 0 0 12px; }
.cert-section .cert-id {
    display: inline-block;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 10px;
    padding: 10px 16px;
    color: #4da3d4;
    font-weight: 700;
    font-size: 14px;
}
.cert-img { display: block; }
.cert-img img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 24px 50px rgba(0,0,0,.4);
    transition: transform .3s;
    display: block;
}
.cert-img:hover img { transform: scale(1.02); }

/* Honeypot: скрытое анти-спам поле, человек его не видит */
.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ---------- Модальное окно (заявка) ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(38,38,38,.4);
    backdrop-filter: blur(12px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px 36px;
    width: 100%;
    max-width: 460px;
    position: relative;
    animation: modalIn .28s ease;
    max-height: 90vh;
    overflow-y: auto;
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(.97); }
    to   { opacity: 1; transform: none; }
}
.modal h2 { margin: 0 0 6px; font-size: 22px; }
.modal .subtitle { margin-bottom: 4px; font-size: 14px; }
.modal-close {
    position: absolute;
    top: 14px; right: 14px;
    background: rgba(38,38,38,.06);
    border: none;
    color: var(--muted);
    width: 30px; height: 30px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    padding: 0;
}
.modal-close:hover { background: rgba(38,38,38,.12); }
.modal .btn { width: 100%; text-align: center; }

/* ---------- Адаптив ---------- */
@media (max-width: 900px) {
    .cert-section { grid-template-columns: 1fr; padding: 32px 26px; gap: 26px; }
}
@media (max-width: 760px) {
    /* Таблицы прокручиваются по горизонтали, а не ломают страницу */
    table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .topbar nav .user { display: none; }
    .page-head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 700px) {
    .topbar { padding: 10px 12px; gap: 4px; }
    .brand { font-size: 17px; }
    .topbar nav a { padding: 7px 9px; font-size: 12px; }
    .lang-btn { padding: 4px 9px; }
    .hero { padding: 48px 16px 32px; }
    .hero p { font-size: 15px; }
    .stats { gap: 26px; padding-bottom: 44px; }
    .stat-num { font-size: 26px; }
    .container { padding: 20px 14px 50px; }
    .grid { grid-template-columns: 1fr; }
    .modal { padding: 26px 20px; }
    h1 { font-size: 24px; }
    .category-title { font-size: 19px; margin-top: 36px; }
    form.panel, .panel { padding: 18px 16px; }
    .site-footer { padding: 32px 16px; }
}
@media (max-width: 400px) {
    .hero-actions .btn { width: 100%; text-align: center; }
}