/* ================================================================
   DECK: горизонтальная лента экранов, куб-переход, парящие карточки
   Дополняет style.css, не заменяет его.
   ================================================================ */

/* ====== БАЗА: убираем обычный скролл страницы ====== */
html.deck-mode, html.deck-mode body {
    height: 100%;
    overflow: hidden;
}

/* ====== ЛЕНТА ЭКРАНОВ ====== */
.deck {
    position: fixed;
    inset: 0;
    display: flex;
    will-change: transform;
    transition: transform 0.9s cubic-bezier(0.76, 0, 0.24, 1);
    z-index: 1;
}

.panel {
    position: relative;
    flex: 0 0 100vw;
    width: 100vw;
    height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.panel::-webkit-scrollbar { display: none; }

/* панели без внутреннего скролла центрируют контент */
.panel--center {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* появление контента активной панели */
.panel .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.panel.is-active .reveal { opacity: 1; transform: none; }
.panel.is-active .reveal:nth-child(2) { transition-delay: 0.08s; }
.panel.is-active .reveal:nth-child(3) { transition-delay: 0.16s; }
.panel.is-active .reveal:nth-child(4) { transition-delay: 0.24s; }

/* ====== ПЛАВАЮЩЕЕ PILL-МЕНЮ ====== */
.pill-nav {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.4rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(14, 14, 16, 0.6);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    backdrop-filter: blur(18px) saturate(140%);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
    max-width: calc(100vw - 24px);
    overflow-x: auto;
    scrollbar-width: none;
}
.pill-nav::-webkit-scrollbar { display: none; }

.pill-nav__btn {
    position: relative;
    flex: 0 0 auto;
    padding: 0.5rem 0.95rem;
    border-radius: 999px;
    font-family: var(--font-h);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    white-space: nowrap;
    transition: color 0.25s ease, background 0.25s ease;
}
.pill-nav__btn:hover { color: var(--text); }
.pill-nav__btn.is-active {
    color: #fff;
    background: var(--blue);
    box-shadow: 0 0 18px rgba(43, 107, 255, 0.55);
}
.pill-nav__btn kbd {
    display: inline-block;
    margin-left: 0.45rem;
    padding: 0 0.28rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    font-family: var(--font-b);
    font-size: 0.6rem;
    opacity: 0.55;
}
.pill-nav__lang {
    flex: 0 0 auto;
    margin-left: 0.3rem;
    padding: 0.5rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    font-family: var(--font-h);
    font-size: 0.68rem;
    color: var(--text);
    transition: var(--tr);
}
.pill-nav__lang:hover { border-color: var(--blue); color: var(--blue); }

/* ====== ПОЛОСА ПРОГРЕССА ====== */
.deck-progress {
    position: fixed;
    left: 0;
    bottom: 0;
    height: 3px;
    width: 100%;
    background: rgba(255, 255, 255, 0.07);
    z-index: 200;
}
.deck-progress__fill {
    height: 100%;
    width: 20%;
    background: linear-gradient(90deg, var(--blue), #7aa3ff);
    box-shadow: 0 0 14px rgba(43, 107, 255, 0.8);
    transition: width 0.6s cubic-bezier(0.76, 0, 0.24, 1);
}

/* подсказка «крути в бок» */
.deck-hint {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 200;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    color: var(--text-dim);
    text-transform: uppercase;
    pointer-events: none;
    transition: opacity 0.5s ease;
}
.deck-hint.is-hidden { opacity: 0; }
.deck-hint__arrow { animation: hint-slide 1.6s ease-in-out infinite; }
@keyframes hint-slide {
    0%, 100% { transform: translateX(0); opacity: 0.5; }
    50% { transform: translateX(7px); opacity: 1; }
}

/* ====== ЭКРАН 1: HERO ====== */
.screen-hero { position: relative; width: 100vw; height: 100vh; overflow: hidden; }
.screen-hero__video {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}
.screen-hero__overlay {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 45%, rgba(14,14,16,0.25), rgba(14,14,16,0.88));
}
.screen-hero__content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 1.5rem;
}
.screen-hero__name {
    font-family: var(--font-h);
    font-size: clamp(1.9rem, 7vw, 5.2rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
}
.screen-hero__role {
    margin-top: 0.9rem;
    font-size: clamp(0.7rem, 1.6vw, 0.95rem);
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--blue);
}

/* ====== ЭКРАН 2: КУБ С РАБОТАМИ ====== */
.cube-stage {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.2rem;
    perspective: 1400px;
    padding: 90px 1.5rem 70px;
}
.cube-stage__label {
    font-family: var(--font-h);
    font-size: 0.7rem;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--text-dim);
    text-align: center;
}

.cube {
    --cube-size: min(46vmin, 340px);
    position: relative;
    width: var(--cube-size);
    height: var(--cube-size);
    transform-style: preserve-3d;
    animation: cube-spin 26s linear infinite;
}
.cube.is-paused { animation-play-state: paused; }

@keyframes cube-spin {
    0%   { transform: rotateX(-18deg) rotateY(0deg); }
    100% { transform: rotateX(-18deg) rotateY(360deg); }
}

.cube__face {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border: 1px solid rgba(43, 107, 255, 0.35);
    background: var(--bg-card);
    box-shadow: 0 0 40px rgba(43, 107, 255, 0.18) inset;
    -webkit-backface-visibility: visible;
    backface-visibility: visible;
}
.cube__face img,
.cube__face video {
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0.92;
}
.cube__face::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(140deg, rgba(43,107,255,0.22), transparent 55%);
    pointer-events: none;
}

.cube__face--front  { transform: translateZ(calc(var(--cube-size) / 2)); }
.cube__face--back   { transform: rotateY(180deg) translateZ(calc(var(--cube-size) / 2)); }
.cube__face--right  { transform: rotateY(90deg) translateZ(calc(var(--cube-size) / 2)); }
.cube__face--left   { transform: rotateY(-90deg) translateZ(calc(var(--cube-size) / 2)); }
.cube__face--top    { transform: rotateX(90deg) translateZ(calc(var(--cube-size) / 2)); }
.cube__face--bottom { transform: rotateX(-90deg) translateZ(calc(var(--cube-size) / 2)); }

/* мягкое свечение под кубом */
.cube-stage__glow {
    position: absolute;
    width: min(60vmin, 460px);
    height: min(60vmin, 460px);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(43,107,255,0.22), transparent 65%);
    filter: blur(30px);
    pointer-events: none;
    z-index: -1;
}

/* ====== ЭКРАН 3: INFOS (внутри вертикальный скролл) ====== */
.panel--scroll { padding: 100px 0 90px; }

/* ====== ЭКРАН 4: WORKS ====== */
.works-head { text-align: center; margin-bottom: 2rem; }

/* горячие клавиши разделов */
.section-keys {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
    margin: 0 auto 3rem;
    max-width: 900px;
}
.section-key {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.75rem 1.15rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(30, 30, 36, 0.55);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    font-family: var(--font-h);
    font-size: 0.7rem;
    letter-spacing: 0.09em;
    color: var(--text);
    transition: transform 0.3s cubic-bezier(0.22,1,0.36,1), border-color 0.3s ease, box-shadow 0.3s ease;
}
.section-key:hover {
    transform: translateY(-4px);
    border-color: var(--blue);
    box-shadow: 0 12px 30px rgba(43, 107, 255, 0.28);
}
.section-key__key {
    display: grid;
    place-items: center;
    width: 20px; height: 20px;
    border-radius: 5px;
    background: var(--blue);
    color: #fff;
    font-family: var(--font-b);
    font-size: 0.65rem;
    font-weight: 700;
}
.section-key__count { color: var(--text-dim); font-family: var(--font-b); font-size: 0.68rem; }

/* ====== ПАРЯЩИЕ КАРТОЧКИ ====== */
.float-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    perspective: 1200px;
}
.float-grid--wide { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }

.float-card {
    position: relative;
    display: block;
    border-radius: 14px;
    overflow: hidden;
    background: var(--bg-card);
    transform-style: preserve-3d;
    animation: card-float 7s ease-in-out infinite;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255,255,255,0.05);
    transition: box-shadow 0.4s ease;
}
.float-card:nth-child(2n) { animation-duration: 8.5s; animation-delay: -1.5s; }
.float-card:nth-child(3n) { animation-duration: 6.4s; animation-delay: -3s; }
.float-card:nth-child(4n) { animation-duration: 9.2s; animation-delay: -0.8s; }

@keyframes card-float {
    0%, 100% { translate: 0 0; }
    50%      { translate: 0 -14px; }
}

.float-card__inner {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    transform: translateZ(0);
}
.float-card--tall .float-card__inner { aspect-ratio: 9 / 16; }
.float-card--wide .float-card__inner { aspect-ratio: 16 / 9; }
.float-card--posm .float-card__inner { aspect-ratio: 4 / 3; background: #101014; }
.float-card--posm img { object-fit: contain !important; }

.float-card img,
.float-card video {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.float-card:hover img,
.float-card:hover video { transform: scale(1.06); }

/* свечение по краю при наведении */
.float-card::after {
    content: '';
    position: absolute; inset: 0;
    border-radius: 14px;
    border: 1px solid transparent;
    box-shadow: 0 0 0 rgba(43,107,255,0);
    transition: border-color 0.35s ease, box-shadow 0.35s ease;
    pointer-events: none;
}
.float-card:hover::after {
    border-color: rgba(43, 107, 255, 0.75);
    box-shadow: 0 0 28px rgba(43, 107, 255, 0.45);
}
.float-card:hover { box-shadow: 0 30px 70px rgba(0,0,0,0.65), 0 0 0 1px rgba(43,107,255,0.25); }

.float-card__title {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 1.4rem 1rem 0.9rem;
    background: linear-gradient(transparent, rgba(14,14,16,0.92));
    font-family: var(--font-h);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}
.float-card:hover .float-card__title { opacity: 1; transform: none; }

/* ====== КУБ-ПЕРЕХОД ПРИ КЛИКЕ ПО РАБОТЕ ====== */
.cube-transition {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: grid;
    place-items: center;
    background: var(--bg);
    opacity: 0;
    pointer-events: none;
    perspective: 1200px;
    transition: opacity 0.35s ease;
}
.cube-transition.is-on { opacity: 1; pointer-events: all; }
.cube-transition__box {
    width: min(38vmin, 260px);
    height: min(38vmin, 260px);
    transform-style: preserve-3d;
    animation: cube-flip 0.85s cubic-bezier(0.76, 0, 0.24, 1) forwards;
}
@keyframes cube-flip {
    0%   { transform: rotateX(0deg) rotateY(0deg) scale(0.8); }
    100% { transform: rotateX(-360deg) rotateY(180deg) scale(1.35); }
}

/* ====== ЭКРАН 5: КОНТАКТЫ ====== */
.contact-panel { width: 100%; max-width: 960px; padding: 100px 1.5rem 80px; margin: 0 auto; }
.contact-cards {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    margin-bottom: 2.5rem;
}
.contact-card {
    display: block;
    padding: 1.5rem;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(30, 30, 36, 0.6);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), border-color 0.35s ease, box-shadow 0.35s ease;
}
.contact-card:hover {
    transform: translateY(-6px);
    border-color: var(--blue);
    box-shadow: 0 18px 40px rgba(43, 107, 255, 0.22);
}
.contact-card__label {
    display: block;
    font-size: 0.62rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 0.55rem;
}
.contact-card__value { font-family: var(--font-h); font-size: 0.98rem; word-break: break-word; }

/* карточка с офертой */
.doc-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.4rem 1.6rem;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: linear-gradient(135deg, rgba(43,107,255,0.12), rgba(30,30,36,0.6));
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), border-color 0.35s ease, box-shadow 0.35s ease;
}
.doc-card:hover {
    transform: translateY(-5px);
    border-color: var(--blue);
    box-shadow: 0 18px 45px rgba(43, 107, 255, 0.3);
}
.doc-card__icon {
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    width: 52px; height: 52px;
    border-radius: 12px;
    background: var(--blue);
    box-shadow: 0 0 22px rgba(43,107,255,0.5);
}
.doc-card__icon svg { width: 24px; height: 24px; fill: #fff; }
.doc-card__title { font-family: var(--font-h); font-size: 0.92rem; margin-bottom: 0.25rem; }
.doc-card__meta { font-size: 0.75rem; color: var(--text-dim); }

/* ====== ПОДВАЛ С РЕКВИЗИТАМИ ====== */
.legal {
    margin-top: 2.5rem;
    padding-top: 1.6rem;
    border-top: 1px solid var(--line);
    font-size: 0.72rem;
    line-height: 1.8;
    color: var(--text-dim);
}
.legal__row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.2rem; }
.legal a { color: var(--text-dim); text-decoration: underline; text-underline-offset: 3px; }
.legal a:hover { color: var(--blue); }
.age-badge {
    display: inline-grid;
    place-items: center;
    min-width: 38px;
    padding: 0.2rem 0.45rem;
    border-radius: 6px;
    border: 1px solid var(--text-dim);
    font-family: var(--font-h);
    font-size: 0.7rem;
    color: var(--text);
}

/* ====== ЮРИДИЧЕСКАЯ СТРАНИЦА ====== */
.legal-page { max-width: 820px; margin: 0 auto; padding: 110px 1.5rem 80px; }
.legal-page h1 { font-size: clamp(1.5rem, 4vw, 2.4rem); margin-bottom: 0.6rem; }
.legal-page h2 { font-size: 1rem; margin: 2.2rem 0 0.7rem; color: var(--blue); }
.legal-page p, .legal-page li { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 0.6rem; }
.legal-page ul { padding-left: 1.3rem; }
.legal-page .legal-page__meta { font-size: 0.78rem; margin-bottom: 2rem; }

/* ====== МОБИЛЬНАЯ АДАПТАЦИЯ ====== */
@media (max-width: 900px) {
    .cube { --cube-size: min(58vmin, 280px); }
    .float-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; }
    .float-grid--wide { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .pill-nav { top: 10px; padding: 0.3rem; gap: 0.1rem; }
    .pill-nav__btn { padding: 0.45rem 0.7rem; font-size: 0.6rem; }
    .pill-nav__btn kbd { display: none; }
    .pill-nav__lang { padding: 0.45rem 0.6rem; font-size: 0.6rem; }

    .deck-hint { right: 14px; bottom: 14px; font-size: 0.6rem; }
    .panel--scroll { padding: 78px 0 70px; }
    .cube-stage { gap: 1.4rem; padding: 78px 1rem 60px; }
    .cube { --cube-size: min(62vmin, 230px); }

    .section-keys { gap: 0.45rem; margin-bottom: 2rem; }
    .section-key { padding: 0.6rem 0.85rem; font-size: 0.62rem; }
    .float-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
    .float-card { animation: none; }
    .float-card__title { opacity: 1; transform: none; font-size: 0.6rem; padding: 1rem 0.6rem 0.6rem; }
    .contact-panel { padding: 78px 1rem 70px; }
    .doc-card { flex-direction: column; align-items: flex-start; gap: 0.9rem; }
}

/* уважение к настройкам доступности */
@media (prefers-reduced-motion: reduce) {
    .deck { transition: none; }
    .cube, .float-card, .deck-hint__arrow { animation: none; }
    .panel .reveal { opacity: 1; transform: none; transition: none; }
}