/* MDP · Chrome — header overlay fixed + menu overlay full-bleed */

@import url("./tokens.css");

/* ============ HEADER ============ */
.chrome {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px var(--pad-x);
  pointer-events: none;
  color: var(--paper-50);
  transition: background-color var(--dur-comfort) var(--ease-out-expo),
              color var(--dur-comfort) var(--ease-out-expo);
}
.chrome > * { pointer-events: auto; }
/* Siempre transparente · sin bg ni blur al scrollear · cinematic-friendly.
   Sombra muy sutil en el texto para legibilidad sobre cualquier fondo. */
.chrome .wordmark,
.chrome .lang-toggle,
.chrome .menu-btn {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35),
               0 0 12px rgba(0, 0, 0, 0.18);
}
/* Chrome SIEMPRE transparente · sin bg ni blur ni border en ningún estado.
   Legibilidad cubierta por text-shadow declarado arriba. */
.chrome.is-stuck,
.page-light .chrome.is-stuck {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
  box-shadow: none;
}

/* ============ PAGE-LIGHT VARIANT ============
   Para páginas que arrancan con fondo paper (proyectos.html, etc.):
   chrome usa tinta oscura sin text-shadow para legibilidad sobre paper. */
.page-light .chrome { color: var(--ink-900); }
.page-light .chrome .wordmark,
.page-light .chrome .lang-toggle,
.page-light .chrome .menu-btn {
  text-shadow: none;
}
.page-light .wordmark .tag { color: var(--ink-500); opacity: 1; }
.page-light .lang-toggle button { color: var(--ink-700); }
.page-light .lang-toggle .sep { color: var(--ink-300); }
.page-light .menu-btn { color: var(--ink-900); }

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
/* chrome wordmark sobre carbón · usa los colores light del logo cinturón */
.chrome-logo .mdp-logo {
  --logo-fg: var(--paper-on-dark);
  --logo-bg: transparent;
  --logo-hair: var(--hair-on-dark);
  --logo-band-w: 13em;             /* banda extendida para que quepa el descriptor */
}
.page-light .chrome-logo .mdp-logo {
  --logo-fg: var(--ink);
  --logo-bg: transparent;
  --logo-hair: var(--hair-on-paper);
}
/* desktop · banda más ancha para descriptor legible */
@media (min-width: 768px) {
  .chrome-logo .mdp-descriptor { font-size: 7px; letter-spacing: 0.4em; text-indent: 0.4em; }
}
/* mobile · solo letras + hairlines (descriptor ilegible a 26px logo) */
@media (max-width: 767px) {
  .chrome-logo .mdp-logo {
    --logo-size: 22px;
    --logo-band-h: 5px;
    --logo-band-w: 130%;
  }
  .chrome-logo .mdp-descriptor { display: none; }
}
/* legacy compat · si alguna pieza usa .wordmark .tag aún */
.wordmark .tag { display: none; }

.chrome-right { display: flex; align-items: center; gap: 32px; }

.lang-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.lang-toggle button {
  opacity: 0.5;
  transition: opacity var(--dur-base) var(--ease-out-expo);
}
.lang-toggle button.is-active { opacity: 1; }
.lang-toggle .sep { opacity: 0.4; }

.menu-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.menu-btn .dots {
  font-family: var(--sans);
  letter-spacing: 0.04em;
  font-size: 18px;
  line-height: 0;
}

/* ============ MENU OVERLAY · Apple Liquid Glass fullscreen ============ */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(180,117,74,0.06), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,0.86) 0%, rgba(248,245,239,0.78) 100%);
  backdrop-filter: blur(48px) saturate(180%);
  -webkit-backdrop-filter: blur(48px) saturate(180%);
  color: var(--ink-900);
  transform: translateY(-100%);
  transition: transform 720ms var(--ease-cinematic);
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 24px var(--pad-x) 48px;
  pointer-events: none;
  overflow-y: auto;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    inset 0 -1px 0 rgba(26, 26, 26, 0.04);
}
.menu-overlay.is-open { transform: translateY(0); pointer-events: auto; }

.menu-top { display: flex; justify-content: space-between; align-items: center; }
.menu-close { font-family: var(--sans); font-size: 28px; line-height: 1; }

.menu-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
  align-content: center;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  padding: 96px 0;
}
@media (max-width: 1023px) { .menu-body { grid-template-columns: 1fr; gap: 48px; padding: 48px 0; } }

.menu-list { list-style: none; padding: 0; margin: 0; }
.menu-list li {
  display: flex; align-items: baseline; gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ink-200);
}
.menu-list .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--ink-500);
  min-width: 3ch;
}
.menu-list .label {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  transition: color var(--dur-comfort) var(--ease-out-expo);
}
.menu-list .label:hover { color: var(--accent-warm); }

.menu-foot {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-500);
}

/* ============ PAGE NAV · side rail dots (jump to section) ============ */
.page-nav {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-end;
  padding: 4px;
  opacity: 0;
  transition: opacity var(--dur-comfort) var(--ease-out-expo);
  pointer-events: none;
}
body.is-loaded .page-nav { opacity: 1; pointer-events: auto; }

.pn-dot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 10px;
  width: 10px;
  cursor: pointer;
  background: transparent;
  border: 0;
  padding: 0;
}
.pn-dot::before {
  content: '';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 1px;
  background: rgba(250, 247, 240, 0.45);
  transition: width 320ms var(--ease-out-expo),
              background-color 320ms var(--ease-out-expo),
              height 320ms var(--ease-out-expo);
  mix-blend-mode: difference;
}
.pn-dot.is-active::before {
  width: 22px;
  height: 2px;
  background: var(--accent-warm);
  mix-blend-mode: normal;
}

.pn-label {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--paper-50);
  background: rgba(14, 12, 10, 0.85);
  padding: 5px 10px;
  border-radius: 1px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms var(--ease-out-expo),
              transform 240ms var(--ease-out-expo);
}
.pn-dot:hover .pn-label,
.pn-dot:focus-visible .pn-label {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 767px) {
  .page-nav { display: none; }
}