/* ============================================================================
   ACHIEVO — INTRO «ВХОД В СИСТЕМУ» (полная переработка).
   Фаза 1: автоматическая пропись кода в терминале + прогресс загрузки.
   Фаза 2: матричный фон из БИНАРНОГО кода (0/1), переливающегося синим,
           красным и зелёным + заголовок с glitch и CTA «Войти в систему».

   Классы префикса .ix-. Токены mobile берём из responsive-tokens.css.
   ============================================================================ */

:root {
    --ix-bg: #04060a;
    --ix-blue: #3b8cff;
    --ix-blue-rgb: 59, 140, 255;
    --ix-green: #00ff41;
    --ix-green-rgb: 0, 255, 65;
    --ix-red: #ff2d55;
    --ix-red-rgb: 255, 45, 85;
    --ix-text: #cfe0ea;
    --ix-dim: #7c8b98;
    --ix-line: rgba(59, 140, 255, 0.2);
    --ix-mono: 'JetBrains Mono', Consolas, monospace;
    --ix-display: 'Orbitron', 'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html, body.ix-body {
    margin: 0;
    height: 100%;
    background: var(--ix-bg);
    color: var(--ix-text);
    font-family: var(--ix-mono);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

body.ix-body {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 100dvh;
}

/* ── Фоновые слои ─────────────────────────────────────────────────── */
#ix-matrix,
.ix-grid,
.ix-scanlines,
.ix-vignette,
.ix-aurora {
    position: fixed;
    inset: 0;
    pointer-events: none;
}

#ix-matrix {
    z-index: 0;
    opacity: 0.55;
    transition: opacity 1.2s ease;
}

body.ix-entered #ix-matrix { opacity: 1; }

.ix-aurora {
    z-index: 1;
    background:
        radial-gradient(ellipse 60% 50% at 20% 10%, rgba(var(--ix-blue-rgb), 0.12), transparent 60%),
        radial-gradient(ellipse 50% 45% at 85% 90%, rgba(var(--ix-red-rgb), 0.1), transparent 60%),
        radial-gradient(ellipse 55% 50% at 80% 15%, rgba(var(--ix-green-rgb), 0.08), transparent 60%);
    opacity: 0.8;
    transition: opacity 1.2s ease;
}

body.ix-entered .ix-aurora { opacity: 1; }

.ix-grid {
    z-index: 1;
    background-image:
        linear-gradient(rgba(var(--ix-blue-rgb), 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--ix-blue-rgb), 0.06) 1px, transparent 1px);
    background-size: 46px 46px;
    -webkit-mask-image: radial-gradient(ellipse at center, #000 25%, transparent 78%);
    mask-image: radial-gradient(ellipse at center, #000 25%, transparent 78%);
    opacity: 0.5;
}

.ix-scanlines {
    z-index: 3;
    background: repeating-linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.02) 0 1px,
        transparent 1px 3px
    );
    mix-blend-mode: overlay;
    opacity: 0.6;
}

.ix-vignette {
    z-index: 3;
    background: radial-gradient(ellipse at center, transparent 42%, rgba(0, 0, 0, 0.72) 100%);
}

/* ── HUD-координаты по углам ──────────────────────────────────────── */
.ix-hud {
    position: fixed;
    inset: 0;
    z-index: 4;
    pointer-events: none;
    font-size: 10px;
    letter-spacing: 1px;
    color: rgba(var(--ix-blue-rgb), 0.5);
}

.ix-coords {
    position: absolute;
    padding: 4px 8px;
    border: 1px solid var(--ix-line);
    background: rgba(4, 8, 13, 0.5);
    white-space: nowrap;
}

.ix-coords--tl { top: 14px; left: 14px; }
.ix-coords--tr { top: 14px; right: 14px; }
.ix-coords--bl { bottom: 14px; left: 14px; }
.ix-coords--br { bottom: 14px; right: 14px; }

/* ── Кнопка звука ─────────────────────────────────────────────────── */
.ix-sound,
.ix-skip {
    position: fixed;
    z-index: 30;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 40px;
    padding: 8px 14px;
    border: 1px solid var(--ix-line);
    border-radius: 8px;
    background: rgba(4, 8, 13, 0.7);
    color: var(--ix-text);
    font-family: var(--ix-mono);
    font-size: 12px;
    letter-spacing: 1px;
    cursor: pointer;
    backdrop-filter: blur(6px);
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.ix-sound { top: 14px; right: 14px; }
.ix-skip { bottom: 14px; right: 14px; }

.ix-sound:hover,
.ix-skip:hover {
    border-color: var(--ix-blue);
    color: #fff;
    background: rgba(var(--ix-blue-rgb), 0.12);
}

body.ix-entered .ix-skip { opacity: 0; pointer-events: none; }

/* ── Центральная сцена ────────────────────────────────────────────── */
.ix-stage {
    position: relative;
    z-index: 10;
    width: 100%;
    display: grid;
    place-items: center;
    padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
}

/* ── Карточка загрузки (терминал) ─────────────────────────────────── */
.ix-boot {
    width: min(700px, 92vw);
    border: 1px solid var(--ix-line);
    border-radius: 14px;
    background: rgba(5, 9, 15, 0.82);
    box-shadow:
        0 30px 90px rgba(0, 0, 0, 0.7),
        0 0 60px rgba(var(--ix-blue-rgb), 0.08),
        inset 0 0 50px rgba(var(--ix-blue-rgb), 0.04);
    backdrop-filter: blur(10px);
    overflow: hidden;
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.ix-boot-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--ix-line);
    background: rgba(255, 255, 255, 0.02);
}

.ix-dot { width: 10px; height: 10px; border-radius: 50%; }
.ix-dot--red { background: #ff5f56; }
.ix-dot--amber { background: #ffbd2e; }
.ix-dot--green { background: #27c93f; }

.ix-boot-title {
    margin-left: 8px;
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--ix-dim);
}

.ix-boot-status {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border: 1px solid rgba(var(--ix-blue-rgb), 0.35);
    border-radius: 999px;
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--ix-blue);
}

.ix-boot-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ix-blue);
    box-shadow: 0 0 8px var(--ix-blue);
    animation: ixBlink 1s steps(2, start) infinite;
}

@keyframes ixBlink {
    50% { opacity: 0.25; }
}

.ix-code {
    margin: 0;
    padding: 16px;
    min-height: 300px;
    max-height: min(48vh, 380px);
    overflow-y: auto;
    font-family: var(--ix-mono);
    font-size: 13px;
    line-height: 1.65;
    color: var(--ix-green);
    text-shadow: 0 0 6px rgba(var(--ix-green-rgb), 0.3);
    scrollbar-width: thin;
}

.ix-code::-webkit-scrollbar { width: 6px; }
.ix-code::-webkit-scrollbar-thumb { background: rgba(var(--ix-blue-rgb), 0.35); border-radius: 999px; }

.ix-line { white-space: pre-wrap; word-break: break-word; }
.ix-line--cmd { color: #7fe3ff; text-shadow: 0 0 8px rgba(var(--ix-blue-rgb), 0.45); }
.ix-line--ok { color: var(--ix-green); }
.ix-line--comment { color: var(--ix-dim); text-shadow: none; }
.ix-line--warn { color: var(--ix-red); text-shadow: 0 0 8px rgba(var(--ix-red-rgb), 0.4); }
.ix-line--accent { color: #fff; text-shadow: 0 0 12px rgba(var(--ix-blue-rgb), 0.6); }

.ix-caret {
    display: inline-block;
    width: 8px;
    margin-left: 2px;
    background: currentColor;
    color: var(--ix-green);
    animation: ixBlink 1s steps(2, start) infinite;
}

/* ── Прогресс ─────────────────────────────────────────────────────── */
.ix-progress {
    padding: 12px 16px 16px;
    border-top: 1px solid var(--ix-line);
    background: rgba(0, 0, 0, 0.35);
}

.ix-progress-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--ix-dim);
}

.ix-progress-pct {
    color: var(--ix-blue);
    font-family: var(--ix-display);
    font-size: 13px;
}

.ix-progress-track {
    position: relative;
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    overflow: hidden;
}

.ix-progress-fill {
    position: absolute;
    inset: 0 auto 0 0;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--ix-blue), var(--ix-green) 55%, var(--ix-red));
    box-shadow: 0 0 16px rgba(var(--ix-blue-rgb), 0.5);
    transition: width 0.18s linear;
}

.ix-progress-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    background-size: 40% 100%;
    background-repeat: no-repeat;
    animation: ixScan 1.6s linear infinite;
    opacity: 0.6;
}

@keyframes ixScan {
    0% { background-position: -60% 0; }
    100% { background-position: 160% 0; }
}

/* ── Переход фаз: карточка и hero делят одну ячейку ──────────────── */
.ix-stage {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    min-height: 100dvh;
}

.ix-boot,
.ix-hero { grid-area: 1 / 1; }

body.ix-entered .ix-boot {
    opacity: 0;
    transform: scale(0.95) translateY(-16px);
    pointer-events: none;
}

/* ── HERO: заголовок + CTA (появляется после загрузки) ───────────── */
.ix-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    text-align: center;
    padding: 24px;
    opacity: 0;
    transform: scale(0.94);
    pointer-events: none;
    transition: opacity 0.9s ease 0.15s, transform 0.9s cubic-bezier(0.22, 0.61, 0.36, 1) 0.15s;
}

body.ix-entered .ix-hero {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.ix-title {
    position: relative;
    margin: 0;
    font-family: var(--ix-display);
    font-size: clamp(36px, 9vw, 92px);
    font-weight: 900;
    letter-spacing: 6px;
    color: #fff;
    text-shadow:
        0 0 24px rgba(var(--ix-blue-rgb), 0.55),
        0 0 60px rgba(var(--ix-green-rgb), 0.25);
}

.ix-title::before,
.ix-title::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    pointer-events: none;
}

.ix-title::before {
    color: var(--ix-red);
    text-shadow: 0 0 18px rgba(var(--ix-red-rgb), 0.7);
    animation: ixGlitchA 3.4s infinite steps(1);
    clip-path: inset(0 0 58% 0);
    opacity: 0;
}

.ix-title::after {
    color: var(--ix-blue);
    text-shadow: 0 0 18px rgba(var(--ix-blue-rgb), 0.7);
    animation: ixGlitchB 2.9s infinite steps(1);
    clip-path: inset(58% 0 0 0);
    opacity: 0;
}

@keyframes ixGlitchA {
    0%, 88%, 100% { opacity: 0; transform: translate(0, 0); }
    89% { opacity: 0.9; transform: translate(-4px, -2px); }
    92% { opacity: 0.7; transform: translate(3px, 1px); }
    95% { opacity: 0.85; transform: translate(-2px, 2px); }
    97% { opacity: 0; transform: translate(0, 0); }
}

@keyframes ixGlitchB {
    0%, 85%, 100% { opacity: 0; transform: translate(0, 0); }
    86% { opacity: 0.9; transform: translate(4px, 2px); }
    90% { opacity: 0.7; transform: translate(-3px, -1px); }
    93% { opacity: 0.85; transform: translate(2px, -2px); }
    96% { opacity: 0; transform: translate(0, 0); }
}

.ix-subtitle {
    margin: 0;
    max-width: 620px;
    color: #a9bccb;
    font-size: clamp(13px, 1.8vw, 16px);
    letter-spacing: 1px;
}

.ix-subtitle b { color: var(--ix-green); }
.ix-subtitle i { color: var(--ix-red); font-style: normal; }

.ix-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    margin-top: 6px;
}

.ix-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 12px 26px;
    border: 1px solid var(--ix-line);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--ix-text);
    font-family: var(--ix-display);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.2s ease;
}

.ix-btn--primary {
    border-color: var(--ix-green);
    background: linear-gradient(120deg, rgba(var(--ix-green-rgb), 0.18), rgba(var(--ix-blue-rgb), 0.16));
    color: #eaffea;
    box-shadow: 0 0 26px rgba(var(--ix-green-rgb), 0.22);
}

.ix-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 38px rgba(var(--ix-green-rgb), 0.42);
}

.ix-btn--ghost:hover {
    transform: translateY(-2px);
    border-color: var(--ix-blue);
    color: #fff;
    box-shadow: 0 0 24px rgba(var(--ix-blue-rgb), 0.3);
}

.ix-hint {
    margin: 4px 0 0;
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--ix-dim);
}

/* ── Вспышка «доступ разрешён» ────────────────────────────────────── */
body.ix-granted::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 60;
    pointer-events: none;
    background: radial-gradient(circle at center, rgba(var(--ix-green-rgb), 0.4), transparent 62%);
    animation: ixFlash 0.9s ease-out forwards;
}

@keyframes ixFlash {
    0% { opacity: 0; }
    12% { opacity: 1; }
    100% { opacity: 0; }
}

/* ── Уважение к настройкам пользователя ───────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .ix-title::before,
    .ix-title::after,
    .ix-boot-status::before,
    .ix-caret,
    .ix-progress-fill::after { animation: none !important; }

    .ix-boot,
    .ix-hero { transition: none !important; }
}

/* ── Адаптив ──────────────────────────────────────────────────────── */
@media (max-width: 720px) {
    .ix-coords--tr,
    .ix-coords--bl { display: none; }

    .ix-code {
        min-height: 200px;
        max-height: 40vh;
        font-size: 12px;
    }

    .ix-title { letter-spacing: 3px; }
}

@media (max-width: 480px) {
    .ix-coords { font-size: 9px; padding: 3px 6px; }

    .ix-boot { width: 94vw; border-radius: 12px; }

    .ix-hero-actions { flex-direction: column; align-self: stretch; width: 100%; }
    .ix-btn { width: 100%; }

    .ix-skip, .ix-sound { font-size: 11px; padding: 7px 10px; }
}

/* На этой странице своя геометрия — убираем общий body-паддинг
   из responsive-pages.css (иначе сцены «плывут» от центра). */
@media (max-width: 820px) {
    html.achievo-mobile body.ix-body {
        padding-left: 0;
        padding-right: 0;
        padding-bottom: 0;
    }
}