/* components.css — znovupoužitelné komponenty: navigace, kurzor, tlačítka, badge, karta, footer, přechody. */

@layer components {
  /* ================================================================ NAV */
  .site-nav {
    position: fixed;
    inset: 0 0 auto;
    z-index: var(--z-nav);
    height: var(--nav-h);
    padding: env(safe-area-inset-top) var(--margin-r) 0 var(--margin-l);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    color: #F2F0EB;
    mix-blend-mode: difference;
    transition: transform 0.7s var(--ease-out);
    view-transition-name: site-nav;
  }
  .site-nav.is-hidden { transform: translateY(-110%); }
  /* Nad barevným hero detailu: tmavý inkoust místo blend módu (lepší kontrast). */
  .site-nav.is-ink { color: var(--ink); mix-blend-mode: normal; }
  .site-nav.is-ink :focus-visible { outline-color: var(--ink); }
  .site-nav__logo { display: inline-flex; align-items: center; gap: 12px; justify-self: start; }
  .site-nav__mark { width: 28px; height: 28px; transition: transform 0.8s var(--ease-out); }
  .site-nav__logo:hover .site-nav__mark { transform: rotate(180deg) scale(1.08); }
  .site-nav__mark-dot { transform-origin: center; animation: mark-orbit 6s linear infinite; }
  @keyframes mark-orbit {
    0% { transform: translate(7px, 0); }
    25% { transform: translate(0, 7px); }
    50% { transform: translate(-7px, 0); }
    75% { transform: translate(0, -7px); }
    100% { transform: translate(7px, 0); }
  }
  .site-nav__name { font-family: var(--font-display); font-weight: 500; font-size: 1.0625rem; letter-spacing: -0.01em; text-transform: uppercase; }
  .site-nav__links ul { display: flex; gap: clamp(20px, 2.6vw, 44px); }
  .site-nav__link { display: inline-flex; align-items: flex-start; gap: 6px; font-weight: 500; font-size: 0.9375rem; }
  .site-nav__link .mono { font-size: 0.625rem; opacity: 0.8; margin-top: -2px; }
  .site-nav__right { justify-self: end; display: flex; align-items: center; gap: 20px; }
  .site-nav__lang { display: inline-flex; gap: 6px; }
  .site-nav__lang span { opacity: 0.85; transition: opacity 0.3s; }
  .site-nav__lang span.is-active, .site-nav__lang:hover span { opacity: 1; }
  .site-nav__toggle { display: none; height: 40px; padding: 0 16px; border: 1px solid currentColor; border-radius: 999px; }
  .site-nav__toggle-close { display: none; }
  .menu-open .site-nav__toggle-open { display: none; }
  .menu-open .site-nav__toggle-close { display: inline; }
  .menu-open .site-nav { transform: none; }

  @media (max-width: 899px) {
    .site-nav { grid-template-columns: 1fr auto; }
    .site-nav__links { display: none; }
    .site-nav__toggle { display: inline-flex; align-items: center; }
    .site-nav__name { display: none; }
  }

  /* ================================================================ MOBILE MENU */
  .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: var(--z-menu);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: calc(var(--nav-h) + 6vh + env(safe-area-inset-top)) var(--margin-r) max(28px, env(safe-area-inset-bottom)) var(--margin-l);
    background: var(--bg-elevated);
    clip-path: inset(0 0 100% 0);
    transition: clip-path 0.8s var(--ease-in-out);
  }
  .mobile-menu.is-open { clip-path: inset(0 0 0 0); }
  .mobile-menu__list { display: grid; gap: 4px; }
  .mobile-menu__list li { overflow: hidden; border-bottom: 1px solid var(--line); }
  .mobile-menu__link { display: flex; align-items: baseline; gap: 16px; padding-block: 10px; }
  .mobile-menu__link .mono { color: var(--fg-muted); }
  .mobile-menu__label {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(3rem, 15vw, 6.5rem);
    line-height: 0.95;
    letter-spacing: var(--tracking-display);
    text-transform: uppercase;
    transform: translateY(105%);
    transition: transform 0.9s var(--ease-out);
  }
  .mobile-menu.is-open .mobile-menu__label { transform: none; }
  .mobile-menu__list li:nth-child(1) .mobile-menu__label { transition-delay: 0.18s; }
  .mobile-menu__list li:nth-child(2) .mobile-menu__label { transition-delay: 0.24s; }
  .mobile-menu__list li:nth-child(3) .mobile-menu__label { transition-delay: 0.30s; }
  .mobile-menu__list li:nth-child(4) .mobile-menu__label { transition-delay: 0.36s; }
  .mobile-menu__foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--fg-muted); }

  /* ================================================================ CURSOR */
  /* Blend musí být na fixed kontejneru (ten tvoří stacking context), jinak se kruh nemá s čím míchat. */
  .cursor { position: fixed; top: 0; left: 0; z-index: var(--z-cursor); pointer-events: none; display: none; mix-blend-mode: difference; }
  .cursor.is-label { mix-blend-mode: normal; }
  .has-cursor .cursor { display: block; }
  .cursor__ring {
    position: absolute;
    left: -48px;
    top: -48px;
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: #F2F0EB;
    transform: scale(0.12);
    transition: transform 0.6s var(--ease-out), background-color 0.4s, opacity 0.3s;
  }
  .cursor__label {
    position: absolute;
    left: 0;
    top: 0;
    translate: -50% -50%;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink);
    white-space: nowrap;
    opacity: 0;
    transform: scale(0.6);
    transition: opacity 0.3s, transform 0.5s var(--ease-out);
  }
  .cursor.is-link .cursor__ring { transform: scale(0.45); }
  .cursor.is-label .cursor__ring { transform: scale(1); background: var(--cursor-color, #F2F0EB); }
  .cursor.is-label .cursor__label { opacity: 1; transform: none; }
  .cursor.is-down .cursor__ring { transform: scale(0.85); }
  .cursor.is-gone .cursor__ring, .cursor.is-gone .cursor__label { opacity: 0; }
  .has-cursor, .has-cursor a, .has-cursor button, .has-cursor [data-cursor] { cursor: none; }

  /* ================================================================ BUTTONS */
  .btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6em;
    min-height: 56px;
    padding: 0 28px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    font-weight: 500;
    font-size: 1rem;
    line-height: 1;
    overflow: hidden;
    isolation: isolate;
    color: var(--fg);
    transition: color 0.5s var(--ease-out), border-color 0.5s;
  }
  .btn::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: inherit;
    background: var(--fg);
    transform: translateY(101%);
    transition: transform 0.6s var(--ease-out);
  }
  .btn:hover, .btn:focus-visible { color: var(--ink); border-color: var(--fg); }
  .btn:hover::before, .btn:focus-visible::before { transform: none; }
  .btn:hover .arrow { transform: translate(2px, -2px); }
  .btn--ink { background: var(--ink); color: var(--fg); border-color: var(--ink); }
  .btn--accent { background: var(--accent); color: var(--ink); border-color: var(--accent); }
  .btn--accent::before { background: var(--fg); }

  /* ================================================================ STATUS */
  .status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 24px;
    padding: 0 10px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
    color: var(--fg);
  }
  .status i { position: relative; width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }
  .status--live i { background: #46E38A; }
  .status--live i::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #46E38A;
    animation: pulse 1.8s var(--ease-out) infinite;
  }
  .status--beta i { background: #FFC857; }
  .status--dev i { background: transparent; box-shadow: inset 0 0 0 1.5px var(--fg-muted); }
  .status__note { color: var(--fg-muted); }
  @keyframes pulse { 0% { transform: scale(1); opacity: 0.8; } 100% { transform: scale(3.2); opacity: 0; } }

  /* ================================================================ CARD */
  .card { position: relative; flex: none; }
  .card__link { display: grid; gap: clamp(16px, 1.6vw, 24px); }
  .card__media {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--bg-elevated);
    isolation: isolate;
    transform: perspective(1200px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    transition: transform 0.8s var(--ease-out);
  }
  .card__media::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 0 0 1px var(--line-strong);
    pointer-events: none;
  }
  .card__picture { position: absolute; inset: -8%; }
  .card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate3d(var(--px, 0px), 0, 0) scale(var(--zoom, 1.02));
    transition: transform 1.2s var(--ease-out);
  }
  .card__link:hover .card__img, .card__link:focus-visible .card__img { --zoom: 1.08; }
  .card__num {
    position: absolute;
    left: clamp(14px, 1.6vw, 28px);
    top: clamp(6px, 1vw, 16px);
    z-index: 1;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(4rem, 9vw, 10rem);
    line-height: 1;
    letter-spacing: -0.05em;
    color: transparent;
    -webkit-text-stroke: 1.2px rgba(242, 240, 235, 0.7);
    pointer-events: none;
  }
  .card__body {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    column-gap: var(--gutter);
    row-gap: 14px;
    align-items: end;
  }
  .card__meta {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 24px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    color: var(--fg-muted);
  }
  .card__note { text-transform: none; }
  .card__title {
    grid-row: span 2;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(3rem, 6.4vw, 7.5rem);
    line-height: 0.86;
    letter-spacing: var(--tracking-display);
    text-transform: uppercase;
    overflow-wrap: anywhere;
    transition: color 0.5s;
  }
  .card__link:hover .card__title { color: var(--card-accent); }
  .card__claim { color: var(--fg-muted); max-width: 40ch; }
  .card__tags { display: flex; flex-wrap: wrap; gap: 6px; }
  .card__tags li { padding: 3px 10px; border: 1px solid var(--line-strong); border-radius: 999px; font-size: 0.6875rem; }
  .card__cta { display: none; }

  @media (max-width: 767px) {
    .card__body { grid-template-columns: 1fr; }
    .card__title { grid-row: auto; font-size: clamp(2.75rem, 14vw, 4.5rem); }
  }

  /* ================================================================ CHIPS */
  .chips { display: flex; flex-wrap: wrap; gap: 10px; }
  .chip {
    padding: 10px 20px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.125rem, 1.6vw, 1.5rem);
    letter-spacing: -0.01em;
    transition: background 0.4s, color 0.4s, border-color 0.4s;
  }
  .chip:hover { background: var(--accent); color: var(--ink); border-color: var(--accent); }

  /* ================================================================ FOOTER */
  .footer {
    position: relative;
    padding-top: var(--section);
    padding-bottom: max(24px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    overflow: hidden;
    isolation: isolate;
  }
  .footer > *:not(.grid-lines) { position: relative; z-index: 1; }
  .footer__head { display: grid; gap: 20px; max-width: 900px; }
  .footer__lead { font-size: var(--fs-lead); line-height: 1.15; letter-spacing: -0.02em; max-width: 22ch; }
  .footer__cta {
    display: block;
    margin-block: clamp(40px, 6vw, 96px);
    padding-inline: var(--margin-l) var(--margin-r);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 12.4vw;
    line-height: 0.84;
    letter-spacing: -0.045em;
    text-transform: uppercase;
    white-space: nowrap;
  }
  .footer__cta-text { display: inline-block; }
  /* clip-path místo overflow: nahoře nechá místo pro diakritiku (Ď, Č…), dole ořízne duplikát. */
  .roll { position: relative; display: inline-block; vertical-align: top; clip-path: inset(-0.22em 0 0 0); }
  .roll > span, .roll::after { display: block; transition: transform 0.7s var(--ease-out); transition-delay: calc(var(--i) * 22ms); }
  .roll::after { content: attr(data-c); position: absolute; left: 0; top: calc(100% + 0.32em); color: var(--accent); }
  .footer__cta:hover .roll > span, .footer__cta:hover .roll::after,
  .footer__cta:focus-visible .roll > span, .footer__cta:focus-visible .roll::after { transform: translateY(calc(-100% - 0.32em)); }
  .footer__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 40px var(--gutter);
    padding-block: 48px;
    border-top: 1px solid var(--line);
  }
  .footer__col { display: grid; align-content: start; gap: 14px; }
  .footer__links { display: grid; gap: 6px; font-size: 1.125rem; }
  .footer__links a { display: inline-flex; gap: 6px; }
  .footer__legal p:not(.label) { color: var(--fg-muted); font-size: var(--fs-small); line-height: 1.7; }
  .footer__legal .link { justify-self: start; font-size: var(--fs-small); }
  .footer__clock { font-size: 0.875rem; color: var(--fg); }
  .footer__top { justify-self: start; color: var(--fg-muted); transition: color 0.3s; }
  .footer__top:hover { color: var(--fg); }
  .footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--fg-muted); }

  .copy-email { display: grid; justify-items: start; gap: 6px; text-align: left; }
  .copy-email__text { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.25rem, 1.9vw, 1.75rem); letter-spacing: -0.01em; overflow-wrap: anywhere; transition: color 0.3s; }
  .copy-email:hover .copy-email__text { color: var(--accent); }
  .copy-email__state { position: relative; display: inline-grid; color: var(--fg-muted); overflow: hidden; }
  .copy-email__state > span { grid-area: 1 / 1; transition: transform 0.5s var(--ease-out), opacity 0.4s; }
  .copy-email__done { transform: translateY(100%); opacity: 0; color: var(--accent); }
  .copy-email.is-copied .copy-email__idle { transform: translateY(-100%); opacity: 0; }
  .copy-email.is-copied .copy-email__done { transform: none; opacity: 1; }

  @media (max-width: 1023px) { .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 559px) { .footer__grid { grid-template-columns: 1fr; } }

  /* ================================================================ COOKIE LIŠTA */
  .cookie {
    position: fixed;
    left: max(var(--margin-l), 16px);
    bottom: max(20px, env(safe-area-inset-bottom));
    z-index: var(--z-cookie);
    width: min(380px, calc(100vw - 2 * max(var(--margin-l), 16px)));
    display: grid;
    gap: 14px;
    padding: 16px 16px 14px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-lg);
    background: color-mix(in oklab, var(--bg-elevated) 82%, transparent);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    backdrop-filter: blur(18px) saturate(1.4);
    box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.9);
    font-size: var(--fs-small);
    line-height: 1.5;
    clip-path: inset(100% 0 0 0 round var(--radius-lg));
    transform: translateY(16px);
    transition: clip-path 0.9s var(--ease-in-out), transform 0.9s var(--ease-out), opacity 0.4s;
  }
  .cookie.is-visible { clip-path: inset(0 0 0 0 round var(--radius-lg)); transform: none; }
  .cookie.is-leaving { opacity: 0; transform: translateY(12px); transition-duration: 0.5s; }
  .menu-open .cookie { opacity: 0; pointer-events: none; }
  /* Obsah naskočí až po odkrytí karty. */
  .cookie > * { opacity: 0; transform: translateY(8px); transition: opacity 0.6s, transform 0.8s var(--ease-out); }
  .cookie.is-visible > * { opacity: 1; transform: none; }
  .cookie.is-visible > :nth-child(1) { transition-delay: 0.25s; }
  .cookie.is-visible > :nth-child(2) { transition-delay: 0.32s; }
  .cookie.is-visible > :nth-child(3) { transition-delay: 0.39s; }
  .cookie__head { display: flex; align-items: center; gap: 10px; color: var(--fg); }
  .cookie__mark { width: 16px; height: 16px; flex: none; color: var(--fg-muted); }
  .cookie__orbit { fill: var(--accent); transform-origin: 10px 10px; animation: cookie-orbit 5s linear infinite; }
  @keyframes cookie-orbit {
    0% { transform: translate(5.6px, 0); }
    25% { transform: translate(0, 5.6px); }
    50% { transform: translate(-5.6px, 0); }
    75% { transform: translate(0, -5.6px); }
    100% { transform: translate(5.6px, 0); }
  }
  .cookie__more { margin-left: auto; color: var(--fg-muted); transition: color 0.3s; }
  .cookie__more:hover, .cookie__more:focus-visible { color: var(--fg); }
  .cookie__more:hover .arrow { transform: translate(2px, -2px); }
  .cookie__text { color: var(--fg-muted); text-wrap: pretty; }
  .cookie__actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  /* Odmítnout i Přijmout mají stejnou velikost a váhu (férový souhlas). */
  .cookie__btn {
    position: relative;
    min-height: 40px;
    padding: 0 16px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.875rem;
    overflow: hidden;
    isolation: isolate;
    transition: color 0.45s var(--ease-out), border-color 0.45s;
  }
  .cookie__btn::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: var(--fg);
    transform: translateY(101%);
    transition: transform 0.55s var(--ease-out);
  }
  .cookie__btn:hover, .cookie__btn:focus-visible { color: var(--ink); border-color: var(--fg); }
  .cookie__btn:hover::before, .cookie__btn:focus-visible::before { transform: none; }
  .cookie__btn--accept { background: var(--fg); color: var(--ink); border-color: var(--fg); }
  .cookie__btn--accept::before { background: var(--accent); }
  .cookie__btn--accept:hover, .cookie__btn--accept:focus-visible { border-color: var(--accent); }

  .cookie-settings { justify-self: start; font-size: var(--fs-small); color: inherit; text-align: left; }
  .footer__legal .cookie-settings { color: var(--fg-muted); }
  .footer__legal .cookie-settings:hover { color: var(--fg); }

  @media (max-width: 559px) {
    .cookie { left: 12px; right: 12px; width: auto; bottom: max(12px, env(safe-area-inset-bottom)); }
  }

  /* ================================================================ PAGE WIPE (fallback přechod) */
  .wipe {
    position: fixed;
    inset: 0;
    z-index: var(--z-wipe);
    background: var(--wipe, var(--accent));
    clip-path: inset(100% 0 0 0);
    pointer-events: none;
  }
  .is-wiping .wipe { clip-path: inset(0 0 0 0); }
}

/* ================================================================ VIEW TRANSITIONS (cross-document) */
@view-transition { navigation: auto; }

::view-transition-old(root) { animation: vt-out 0.7s var(--ease-in-out) both; }
::view-transition-new(root) { animation: vt-in 0.9s var(--ease-in-out) both; }
::view-transition-group(project-cover) { animation-duration: 0.95s; animation-timing-function: cubic-bezier(0.76, 0, 0.24, 1); z-index: 2; }
::view-transition-old(project-cover), ::view-transition-new(project-cover) { height: 100%; object-fit: cover; overflow: clip; }
::view-transition-group(site-nav) { z-index: 3; }

@keyframes vt-out { to { opacity: 0; transform: translateY(-6vh) scale(0.98); } }
@keyframes vt-in { from { clip-path: inset(100% 0 0 0); } to { clip-path: inset(0 0 0 0); } }

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
}