/* =============================================================================
   Layout — page shell, header, navigation, mobile menu, footer
   ========================================================================== */

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh; /* fallback — see .hero */
  min-height: 100dvh;
}

.page > main {
  flex: 1;
}

/* Scroll progress ---------------------------------------------------------- */

.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: var(--z-progress);
  pointer-events: none;
}

/* ── Header ───────────────────────────────────────────────────────────────── */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  transition: background var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}

.header::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 11, 0.7), transparent);
  opacity: 1;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
  z-index: -1;
}

.header.is-solid {
  background: rgba(10, 10, 11, 0.82);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line);
}

.header.is-solid::after {
  opacity: 0;
}

.header.is-hidden {
  transform: translateY(-100%);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  width: 100%;
}

/* The header mark is the logo image alone — the artwork already carries the
   studio name, so the brand text is not rendered next to it. */
.header__brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* Sized by height so any logo asset keeps its proportions; the width follows
   from the artwork (the header lockup is 155x43, i.e. ~155px long at 43px). */
.header__brand img {
  height: var(--header-logo-h);
  width: auto;
  max-width: 260px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2.5rem);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

/* Nav link ----------------------------------------------------------------- */

.nav-link {
  position: relative;
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  font-weight: 500;
  color: var(--fg-dim);
  padding-block: var(--sp-2);
  transition: color var(--dur-fast) var(--ease);
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--fg);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--dur) var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--fg);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

.nav-link.is-active {
  color: var(--fg);
}

.nav-link.is-active::after {
  transform: scaleX(1);
  background: var(--accent);
}

/* Language switch ---------------------------------------------------------- */

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 5px 6px;
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
}

.lang-switch__item {
  padding: 3px 10px;
  border-radius: 999px;
  color: var(--fg-mute);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  line-height: 1;
}

.lang-switch__item:hover {
  color: var(--fg);
}

.lang-switch__item.is-active {
  background: var(--fg);
  color: var(--bg);
}

/* Burger ------------------------------------------------------------------- */

.burger {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--fg);
  transition: transform var(--dur) var(--ease), opacity var(--dur-fast) var(--ease);
}

.burger.is-open span:nth-child(1) {
  transform: translateY(3.75px) rotate(45deg);
}

.burger.is-open span:nth-child(2) {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* ── Mobile menu ──────────────────────────────────────────────────────────── */

.menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-menu);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-h) + var(--sp-6)) var(--gutter) var(--sp-8);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}

.menu.is-open {
  opacity: 1;
  visibility: visible;
}

.menu__nav {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.menu__link {
  font-size: clamp(2rem, 10vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: var(--ls-tight);
  font-weight: 500;
  color: var(--fg-dim);
  transform: translateY(20px);
  opacity: 0;
  transition: color var(--dur-fast) var(--ease), transform 0.6s var(--ease), opacity 0.6s var(--ease);
}

.menu.is-open .menu__link {
  transform: none;
  opacity: 1;
}

.menu.is-open .menu__link:nth-child(1) {
  transition-delay: 60ms;
}
.menu.is-open .menu__link:nth-child(2) {
  transition-delay: 110ms;
}
.menu.is-open .menu__link:nth-child(3) {
  transition-delay: 160ms;
}
.menu.is-open .menu__link:nth-child(4) {
  transition-delay: 210ms;
}
.menu.is-open .menu__link:nth-child(5) {
  transition-delay: 260ms;
}

.menu__link.is-active,
.menu__link:hover {
  color: var(--fg);
}

.menu__footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  padding-top: var(--sp-7);
  border-top: 1px solid var(--line);
}

/* ── Footer ───────────────────────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding-top: clamp(3rem, 6vw, 5rem);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 4rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.footer__col h3 {
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--fg-mute);
  margin-bottom: var(--sp-5);
  font-weight: 500;
}

.footer__menu {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__menu a {
  color: var(--fg-dim);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  width: fit-content;
}

.footer__menu a:hover {
  color: var(--fg);
  transform: translateX(4px);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  color: var(--fg-dim);
  font-size: var(--fs-small);
  line-height: var(--lh-normal);
}

.footer__contact a:hover {
  color: var(--fg);
}

.footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--fg-dim);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.social-btn:hover {
  border-color: var(--fg);
  color: var(--fg);
  transform: translateY(-2px);
}

.social-btn svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.footer__bottom {
  border-top: 1px solid var(--line);
  padding-block: var(--sp-5);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--sp-5);
  color: var(--fg-mute);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-label);
}

/* The legal line (copyright + ICP) sits in the middle of the footer, while the
   back-to-top link keeps the right edge. */
.footer__legal {
  grid-column: 2;
  justify-self: center;
  text-align: center;
}

.footer__icp {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}

.footer__icp:hover {
  color: var(--fg);
}

.to-top {
  grid-column: 3;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  transition: color var(--dur-fast) var(--ease);
}

.to-top:hover {
  color: var(--fg);
}

.to-top svg {
  width: 12px;
  height: 12px;
  transition: transform var(--dur-fast) var(--ease);
}

.to-top:hover svg {
  transform: translateY(-3px);
}

/* ── Page hero / banner ───────────────────────────────────────────────────── */

.banner {
  position: relative;
  min-height: clamp(340px, 46vh, 520px);
  display: flex;
  align-items: flex-end;
  padding-top: calc(var(--header-h) + var(--sp-8));
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  overflow: hidden;
  isolation: isolate;
}

.banner__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.banner__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  transform: scale(1.04);
}

.banner__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(10, 10, 11, 0.92) 0%, rgba(10, 10, 11, 0.55) 45%, var(--bg) 100%);
}

.banner__title {
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  font-weight: 500;
  margin-top: var(--sp-4);
}

.banner__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-5);
  margin-top: var(--sp-5);
  color: var(--fg-dim);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
}

/* Breadcrumbs -------------------------------------------------------------- */

.crumbs {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--fg-mute);
}

.crumbs a:hover {
  color: var(--fg);
}

.crumbs span {
  opacity: 0.5;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .header__nav {
    display: none;
  }

  .header__actions .lang-switch {
    display: none;
  }

  .burger {
    display: flex;
  }
}

@media (max-width: 860px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-7);
  }

  .footer__bottom {
    grid-template-columns: 1fr;
    row-gap: var(--sp-4);
    justify-items: center;
    text-align: center;
  }

  .footer__legal,
  .to-top {
    grid-column: 1;
    justify-self: center;
  }
}