:root {
  --ink:    #0e0f13;
  --ink-2:  #14161d;
  --ink-3:  #1b1e27;
  --line:   #2a2d38;
  --cream:  #ece7dd;
  --muted:  #8a897f;
  --muted-2:#6a6960;
  --ultra:  #3d5afe;   /* azul ultramar plano, solo como acento */
  --ultra-d:#2c43d8;
  --danger: #e2674a;
  --shadow: 0 18px 50px -20px rgba(0,0,0,.7);
}

* { box-sizing: border-box; }

/* el atributo hidden debe ganar a cualquier display de componente */
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--cream);
  font-family: "Spline Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Grano sutil sobre todo, da textura sin pesar */
.grain {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: .035; mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ============ LOGIN ============ */
.login {
  display: grid;
  place-items: end start;
  padding: clamp(2rem, 6vw, 7rem);
  overflow: hidden;
}
.login__mark {
  position: fixed;
  top: -.18em; right: -.04em;
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: clamp(14rem, 42vw, 46rem);
  line-height: .8;
  color: var(--ink-2);
  letter-spacing: -.04em;
  z-index: 0; user-select: none;
}
.login__box { position: relative; z-index: 1; max-width: 30rem; }
.login__eyebrow {
  margin: 0 0 1.4rem;
  font-size: .74rem; letter-spacing: .26em; text-transform: uppercase;
  color: var(--ultra);
  display: flex; align-items: center; gap: .8rem;
}
.login__eyebrow::before { content: ""; width: 2.4rem; height: 1px; background: var(--ultra); }
.login__title {
  font-family: "Fraunces", serif;
  font-weight: 500;
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  line-height: .98;
  letter-spacing: -.02em;
  margin: 0 0 1.1rem;
}
.login__hint { margin: 0 0 2.6rem; color: var(--muted); }

.field { position: relative; margin-bottom: 2rem; }
.field input {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--cream);
  font-size: 1.3rem;
  padding: .5rem 0;
  letter-spacing: .12em;
}
.field input:focus { outline: none; }
.field label {
  position: absolute; left: 0; top: .55rem;
  color: var(--muted-2);
  font-size: 1.1rem; letter-spacing: .04em;
  pointer-events: none;
  transition: transform .22s ease, color .22s ease, font-size .22s ease;
  transform-origin: left;
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label {
  transform: translateY(-1.7rem);
  font-size: .7rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ultra);
}
.field__line {
  position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--ultra);
  transition: width .3s cubic-bezier(.2,.8,.2,1);
}
.field input:focus ~ .field__line { width: 100%; }

.login__go {
  display: inline-flex; align-items: center; gap: .7rem;
  background: var(--cream); color: var(--ink);
  border: 0; padding: .85rem 1.6rem;
  font-weight: 600; letter-spacing: .02em;
  transition: transform .18s ease, background .18s ease;
}
.login__go svg { transition: transform .25s ease; }
.login__go:hover { background: #fff; }
.login__go:hover svg { transform: translateX(4px); }
.login__error { margin-top: 1.6rem; color: var(--danger); font-size: .9rem; }
.shake { animation: shake .4s ease; }
@keyframes shake {
  20%,60% { transform: translateX(-7px); }
  40%,80% { transform: translateX(7px); }
}

/* ============ CABECERA GALERÍA ============ */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  background: rgba(14,15,19,.82);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top__brand { display: flex; align-items: center; gap: .7rem; }
.top__logo {
  width: 20px; height: 16px; border: 2px solid var(--ultra);
  position: relative; flex: none;
}
.top__logo::after {
  content: ""; position: absolute; inset: 2px 2px;
  background:
    radial-gradient(circle at 30% 38%, var(--cream) 0 2px, transparent 3px),
    linear-gradient(135deg, transparent 55%, var(--cream) 55% 70%, transparent 70%);
}
.top h1 {
  font-family: "Fraunces", serif; font-weight: 600;
  font-size: 1.35rem; margin: 0; letter-spacing: -.01em;
}
.top__index {
  display: flex; gap: .3rem; flex-wrap: nowrap; overflow-x: auto;
  margin-left: auto; margin-right: .5rem;
  scrollbar-width: none;
}
.top__index::-webkit-scrollbar { display: none; }
.top__index a {
  white-space: nowrap;
  font-size: .82rem; color: var(--muted);
  padding: .35rem .7rem; border-radius: 2px;
  transition: color .15s ease, background .15s ease;
}
.top__index a:hover { color: var(--cream); background: var(--ink-3); }
.top__index a b { color: var(--ultra); font-weight: 600; margin-left: .3rem; }
.top__out button {
  background: transparent; border: 1px solid var(--line); color: var(--muted);
  padding: .45rem .9rem; font-size: .82rem; border-radius: 2px;
  transition: border-color .15s ease, color .15s ease;
}
.top__out button:hover { border-color: var(--danger); color: var(--danger); }

/* ============ GALERÍA ============ */
.gallery {
  position: relative; z-index: 1;
  padding: clamp(1.5rem, 4vw, 3.5rem) clamp(1rem, 4vw, 3rem) 6rem;
  max-width: 1500px; margin: 0 auto;
}
.cat { margin-bottom: clamp(3rem, 7vw, 5.5rem); scroll-margin-top: 5rem; }
.cat__head {
  display: flex; align-items: baseline; gap: 1rem;
  padding-bottom: .9rem; margin-bottom: 1.6rem;
  border-bottom: 1px solid var(--line);
}
.cat__num {
  font-family: "Fraunces", serif; font-weight: 400; font-style: italic;
  color: var(--ultra); font-size: 1.1rem;
}
.cat__name {
  font-family: "Fraunces", serif; font-weight: 600;
  font-size: clamp(1.5rem, 3.5vw, 2.3rem); margin: 0;
  letter-spacing: -.015em; line-height: 1;
}
.cat__count { margin-left: auto; color: var(--muted-2); font-size: .82rem; letter-spacing: .04em; }

/* mosaico justificado tipo hoja de contactos */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
}
.shot {
  position: relative; display: block;
  aspect-ratio: 1 / 1; overflow: hidden;
  background: var(--ink-2);
  border: 1px solid var(--line);
  cursor: zoom-in;
  opacity: 0; transform: translateY(10px);
  animation: rise .5s cubic-bezier(.2,.8,.2,1) forwards;
}
@keyframes rise { to { opacity: 1; transform: none; } }
.shot img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .5s cubic-bezier(.2,.8,.2,1), filter .3s ease;
  filter: saturate(.92);
}
.shot:hover img { transform: scale(1.05); filter: saturate(1.05); }
.shot__meta {
  position: absolute; inset: auto 0 0 0;
  padding: 1.6rem .7rem .55rem;
  background: linear-gradient(transparent, rgba(8,9,12,.9));
  font-size: .76rem; color: var(--cream);
  opacity: 0; transform: translateY(6px);
  transition: opacity .22s ease, transform .22s ease;
}
.shot:hover .shot__meta { opacity: 1; transform: none; }
.shot__corner {
  position: absolute; top: 8px; left: 8px;
  font-family: "Fraunces", serif; font-size: .7rem; color: var(--cream);
  background: rgba(8,9,12,.55); padding: 1px 6px;
  opacity: 0; transition: opacity .2s ease;
}
.shot:hover .shot__corner { opacity: 1; }

.empty {
  position: relative; z-index: 1; text-align: center;
  color: var(--muted); margin: 7rem auto; max-width: 30rem;
  font-family: "Fraunces", serif; font-size: 1.5rem; line-height: 1.4;
}
.empty span { font-family: "Spline Sans", sans-serif; font-size: .95rem; color: var(--muted-2); }

/* ============ VISOR ============ */
.viewer {
  position: fixed; inset: 0; z-index: 100;
  display: grid; grid-template-rows: 1fr auto;
  background: rgba(8,9,12,.94);
  backdrop-filter: blur(4px);
  animation: fade .25s ease;
}
@keyframes fade { from { opacity: 0; } }
.viewer__close {
  position: absolute; top: 1.2rem; right: 1.4rem; z-index: 2;
  background: transparent; border: 1px solid var(--line); color: var(--cream);
  width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%;
  transition: border-color .15s ease, transform .15s ease;
}
.viewer__close:hover { border-color: var(--cream); transform: rotate(90deg); }
.viewer__fig {
  margin: 0; padding: 3.5rem 1.5rem 1rem;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 0;
}
.viewer__fig img {
  max-width: 92vw; max-height: 76vh; object-fit: contain;
  box-shadow: var(--shadow); background: var(--ink-2);
}
.viewer__fig figcaption {
  margin-top: 1rem; color: var(--muted); font-size: .9rem; text-align: center;
}
.viewer__actions {
  display: flex; gap: .8rem; justify-content: center;
  padding: 1rem 1rem 2rem;
}
.vbtn {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--ink-2); border: 1px solid var(--line); color: var(--cream);
  padding: .6rem 1.1rem; font-size: .85rem; border-radius: 2px;
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.vbtn:hover { border-color: var(--cream); }
.vbtn--danger:hover { border-color: var(--danger); color: var(--danger); }

@media (max-width: 620px) {
  .top { flex-wrap: wrap; }
  .top__index { order: 3; width: 100%; margin: 0; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
}