/* ==========================================================================
   Turbo Trading Bot — общая дизайн-система сайта
   Тёмная тема: стеклянные карточки на фото-фоне, зелёный градиентный акцент.
   Все страницы подключают только этот файл + свои уникальные блоки.
   ========================================================================== */

:root {
    --bg-photo: url("/static/images/bg.jpg");
    --bg-overlay: linear-gradient(165deg, rgba(6, 10, 9, 0.93), rgba(8, 13, 12, 0.88));

    --surface: rgba(255, 255, 255, 0.055);
    --surface-strong: rgba(255, 255, 255, 0.09);
    --surface-border: rgba(255, 255, 255, 0.12);
    --surface-solid: #14181a;
    --nav-bg: rgba(9, 12, 12, 0.72);

    --text-primary: #f3f5f4;
    --text-secondary: #aab3af;
    --text-muted: #737d79;

    --accent: #17d68c;
    --accent-dark: #0a8f5a;
    --accent-gradient: linear-gradient(135deg, #22e39a 0%, #0a8f5a 100%);
    --accent-soft: rgba(23, 214, 140, 0.14);
    --accent-warm: #d9645a;
    --brand-gradient: linear-gradient(120deg, var(--accent-warm) 0%, var(--accent) 100%);
    --danger: #ef4444;

    --radius-lg: 22px;
    --radius-md: 14px;
    --radius-sm: 9px;

    --shadow-md: 0 10px 34px rgba(0, 0, 0, 0.38);
    --shadow-glow: 0 10px 28px rgba(16, 192, 122, 0.30);

    --transition: 420ms cubic-bezier(.4, 0, .2, 1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Сброс и база ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html {
    min-height: 100%;
}

body {
    background: var(--bg-overlay), var(--bg-photo) no-repeat center fixed;
    background-size: cover;
    font-family: var(--font-sans);
    color: var(--text-primary);
    line-height: 1.65;
    padding-top: 74px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Оборачивает контент страницы (всё между шапкой и футером), чтобы футер
   прижимался к низу страницы, даже если контента мало */
.page-main {
    flex: 1 0 auto;
}

.footer {
    flex-shrink: 0;
}

a {
    color: var(--accent);
}

::selection {
    background: var(--accent);
    color: #04140d;
}

/* Тонкий скроллбар (прогрессивное улучшение, безопасно деградирует) */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #0b0d0e;
}
::-webkit-scrollbar-thumb {
    background: #2a302d;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-dark);
}

/* ---------- Верхнее меню ---------- */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
    padding: 14px 32px;
    background: var(--nav-bg);
    backdrop-filter: blur(14px) saturate(150%);
    -webkit-backdrop-filter: blur(14px) saturate(150%);
    border-bottom: 1px solid var(--surface-border);
}

.nav-left {
    grid-column: 1;
    justify-self: start;
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-center {
    grid-column: 2;
    justify-self: center;
}

.nav-right {
    grid-column: 3;
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.98rem;
    font-weight: 500;
    padding-bottom: 3px;
    transition: color var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    right: 100%;
    bottom: -2px;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 2px;
    transition: right var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link:hover::after {
    right: 0;
}

.brand-link {
    display: inline-block;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: 0.2px;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: filter var(--transition), transform var(--transition);
}

.brand-link:hover {
    filter: brightness(1.2);
}

.icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.15rem;
    text-decoration: none;
    transition: color var(--transition), background var(--transition), transform var(--transition);
}

.icon-link:hover {
    color: var(--text-primary);
    background: var(--surface-strong);
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
}

.menu-icon {
    display: none;
    grid-column: 1;
    align-items: center;
    color: var(--text-primary);
    font-size: 1.6rem;
    cursor: pointer;
}

/* ---------- Карточки-секции ---------- */
.section {
    background: var(--surface);
    border: 1px solid var(--surface-border);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    max-width: 1100px;
    margin: 28px auto;
    padding: clamp(22px, 4vw, 42px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
}

.section h1,
.section h2 {
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section h1 {
    font-size: clamp(1.5rem, 2.6vw, 2rem);
    text-align: center;
}

.section h2 {
    font-size: clamp(1.15rem, 2vw, 1.4rem);
}

.section p,
.section li {
    font-size: clamp(1rem, 1.4vw, 1.1rem);
    line-height: 1.7;
    color: var(--text-secondary);
}

.section strong {
    color: var(--text-primary);
}

.section a {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-color: rgba(23, 214, 140, 0.4);
    text-underline-offset: 3px;
    transition: text-decoration-color var(--transition);
}

.section a:hover {
    text-decoration-color: var(--accent);
}

.indent {
    text-indent: 2rem;
}

/* ---------- Появление секций при скролле ---------- */
.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 1100ms ease, transform 1100ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        transition: none;
        opacity: 1;
        transform: none;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ---------- Hero (главная страница) ---------- */
.hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 40px 20px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 18%;
    left: 50%;
    width: min(900px, 90vw);
    height: min(900px, 90vw);
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(23, 214, 140, 0.16), transparent 65%);
    pointer-events: none;
    z-index: -1;
}

.hero h1 {
    font-size: clamp(2.5rem, 7vw, 5.6rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1.1rem;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: clamp(1.05rem, 2.4vw, 1.7rem);
    color: var(--text-secondary);
    max-width: 46ch;
    margin: 0 auto 2.6rem;
}

.hero-links {
    display: flex;
    gap: 2.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-links a {
    display: inline-block;
    min-width: 210px;
    padding: 17px 34px;
    border: 1.5px solid var(--surface-border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.15rem;
    transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.hero-links a:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-3px);
}

.hero-scroll-cue {
    position: absolute;
    bottom: 34px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    font-size: 1.4rem;
    animation: bounce 3.2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); opacity: .6; }
    50% { transform: translate(-50%, 10px); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    .hero-scroll-cue { animation: none; }
}

/* ---------- Кнопки ---------- */
.cta-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 100px;
    padding: 44px 20px;
}

.section a.btn-buy-bot,
.btn-buy-bot,
.btn-pay {
    display: inline-block;
    background: var(--accent-gradient);
    color: #04140d;
    text-decoration: none;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.btn-buy-bot {
    min-width: 200px;
    padding: 18px 46px;
    font-size: 1.15rem;
}

.btn-buy-bot:hover,
.btn-pay:hover:not(:disabled) {
    transform: translateY(-3px);
    filter: brightness(1.08);
    box-shadow: 0 14px 34px rgba(16, 192, 122, 0.42);
}

.btn-buy-bot:active,
.btn-pay:active:not(:disabled) {
    transform: translateY(-1px);
}

.btn-pay {
    display: block;
    width: 100%;
    padding: 15px;
    font-size: 1.05rem;
    margin-top: 20px;
}

.btn-pay:disabled {
    background: #363c3f;
    color: var(--text-muted);
    box-shadow: none;
    cursor: not-allowed;
}

.btn-buy-bot--sm {
    min-width: 160px;
    padding: 13px 32px;
    font-size: 1rem;
}

.btn-apply-promo {
    align-self: center;
    padding: 9px 16px;
    background: var(--surface-strong);
    border: 1px solid var(--surface-border);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.btn-apply-promo:hover:not(:disabled) {
    background: var(--accent-soft);
    border-color: var(--accent);
}

.btn-apply-promo:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ---------- Формы ---------- */
.payment-form {
    max-width: 520px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    padding: 13px 14px;
    background: rgba(255, 255, 255, 0.045);
    border: 1.5px solid var(--surface-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.promo-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.promo-row input[type="text"] {
    width: auto;
    flex: 1;
    min-width: 0;
}

.promo-summary {
    margin-top: 10px;
    padding: 12px 15px;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-sm);
}

.promo-summary p {
    font-family: inherit;
    margin: 0;
}

.promo-summary p.promo-line-discount {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.promo-summary p.promo-line-total {
    margin-top: 6px;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.promo-old-price {
    display: none;
    text-decoration: line-through;
    color: var(--text-muted);
    font-weight: normal;
    font-size: 0.95rem;
    margin-right: 8px;
}

.promo-new-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 25px 0;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 5px;
    transform: scale(1.25);
    accent-color: var(--accent);
}

.checkbox-group label {
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.checkbox-group a {
    color: var(--accent);
    text-decoration: underline;
}

.error-msg {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 6px;
    display: none;
}

.status-text {
    text-align: center;
    margin-top: 15px;
    font-style: italic;
    color: var(--text-secondary);
}

.promo-warning {
    display: none;
    margin-top: 10px;
    color: var(--danger);
    font-size: 0.92rem;
}

/* ---------- Блоки с результатом (реквизиты / успех) ---------- */
.requisites-box,
.success-box {
    display: none;
    margin-top: 25px;
    padding: 20px;
    background: var(--accent-soft);
    border: 1.5px solid var(--accent);
    border-radius: var(--radius-md);
}

.requisites-box h3,
.success-box h3 {
    color: var(--accent);
    margin-bottom: 10px;
    font-size: 1.15rem;
}

.requisites-box p,
.success-box p {
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.requisites-box .value {
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--text-primary);
}

/* ---------- Выбор тарифа ---------- */
.plan-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr));
    gap: 28px;
    max-width: 100%;
    margin: 0 auto 28px;
    align-items: stretch;
}

.plan-card {
    position: relative;
    display: flex;
    flex-direction: column;
    text-align: left;
    padding: 26px 24px 22px;
    background: var(--surface);
    border: 1.5px solid var(--surface-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.plan-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.plan-card input[type="radio"] {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    border: 0;
    white-space: nowrap;
}

.plan-card.selected {
    background: var(--accent-soft);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.plan-card--highlight {
    border-color: rgba(23, 214, 140, 0.55);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 24px;
    background: var(--accent-gradient);
    color: #04140d;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 5px 13px;
    border-radius: 999px;
    box-shadow: var(--shadow-glow);
}

.plan-eyebrow {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.plan-card h3 {
    font-size: 2.3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
    color: var(--accent);
}

.plan-card--highlight h3 {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.plan-diff-intro {
    font-size: 0.92rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.plan-card .plan-price {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--surface-border);
}

.plan-card .plan-price span {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-muted);
}

.plan-diff-list {
    list-style: none;
    flex: 1;
}

.plan-diff-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--surface-border);
}

.plan-diff-list li:last-child {
    border-bottom: none;
}

.plan-diff-list li i {
    color: var(--accent);
    width: 16px;
    margin-top: 4px;
    flex-shrink: 0;
}

.plan-conflict-box {
    display: none;
    margin-top: 25px;
    padding: 20px;
    background: rgba(239, 68, 68, 0.1);
    border: 1.5px solid var(--danger);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
}

.plan-conflict-box h3 {
    color: var(--danger);
    margin-bottom: 10px;
    font-size: 1.15rem;
}

/* ---------- Окно оплаты банка (заглушка эквайринга) ---------- */
.bank-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(4, 6, 6, 0.72);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.bank-modal {
    background: var(--surface-solid);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 360px;
    width: 100%;
    padding: 32px 28px;
    text-align: center;
}

.bank-modal .bank-modal-icon {
    font-size: 2.2rem;
    color: var(--accent);
    margin-bottom: 14px;
}

.bank-modal h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.bank-modal p {
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.bank-modal .spinner {
    width: 34px;
    height: 34px;
    margin: 18px auto 0;
    border: 3px solid var(--surface-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: bank-spin 0.8s linear infinite;
}

@keyframes bank-spin {
    to { transform: rotate(360deg); }
}

/* ---------- Футер ---------- */
.footer {
    background: #0a0c0d;
    border-top: 1px solid var(--surface-border);
    color: var(--text-secondary);
    padding: 56px 40px 24px;
    margin-top: 80px;
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: 0.2px;
}

.footer-col p,
.footer-col li {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent);
}

.footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 15px;
}

.footer-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 1.15rem;
    text-decoration: none;
    transition: color var(--transition), background var(--transition), transform var(--transition);
}

.footer-socials a:hover {
    color: var(--text-primary);
    background: var(--accent-soft);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    margin-top: 36px;
    padding-top: 20px;
    border-top: 1px solid var(--surface-border);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Якорные ссылки должны скроллиться с учётом высоты фиксированного меню */
.section[id],
.footer[id],
.hero[id] {
    scroll-margin-top: 90px;
}

/* ==========================================================================
   Адаптивность: мобильное меню и уменьшение отступов на узких экранах
   ========================================================================== */
@media (max-width: 768px) {
    :root {
        --bg-photo: url("/static/images/bgt.jpg");
        --bg-overlay: linear-gradient(165deg, rgba(6, 10, 9, 0.72), rgba(8, 13, 12, 0.6));
    }

    body {
        padding-top: 62px;
        background-attachment: scroll;
    }

    .top-nav {
        grid-template-columns: 1fr;
        padding: 10px 18px;
    }

    .menu-icon {
        display: flex;
        grid-column: 1;
        justify-self: start;
    }

    .nav-center {
        grid-column: 1 / 2;
        grid-row: 1 / 2;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }

    .nav-left,
    .nav-right {
        grid-column: 1 / -1;
        justify-self: stretch;
        display: none;
        align-items: center;
        justify-content: center;
        gap: 14px;
    }

    .nav-left {
        flex-direction: column;
        padding: 16px 0 10px;
    }

    .nav-right {
        flex-direction: row;
        padding: 10px 0 18px;
        border-top: 1px solid var(--surface-border);
    }

    .menu-toggle:checked ~ .nav-left,
    .menu-toggle:checked ~ .nav-right {
        display: flex;
    }

    .brand-link {
        font-size: 1.2rem;
    }

    .cta-container {
        gap: 40px;
    }

    .section {
        margin: 18px 14px;
    }

    .footer {
        padding: 36px 22px 20px;
        margin-top: 50px;
    }

    .section[id],
    .footer[id],
    .hero[id] {
        scroll-margin-top: 70px;
    }
}

@media (max-width: 480px) {
    .top-nav {
        padding: 8px 14px;
    }

    .menu-icon {
        font-size: 1.5rem;
    }
}