/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white:       #FAFAF8;
  --cream:       #F2EDE7;
  --blue-deep:   #1E3A5F;
  --blue-mid:    #2D5482;
  --blue-soft:   #4A7BA7;
  --blue-pale:   #D6E4F0;
  --terra:       #C4714A;
  --terra-light: #D9937A;
  --beige:       #E8D5C0;
  --ink:         #1A2332;
  --ink-soft:    #4A5568;
  --ink-pale:    #8A9BB0;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', Helvetica Neue, Arial, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: none; }

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  background: rgba(250, 250, 248, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, padding 0.3s;
}
.nav.scrolled {
  border-bottom-color: rgba(30, 58, 95, 0.08);
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.nav__brand {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--blue-deep);
  letter-spacing: 0.02em;
}
.nav__links {
  display: flex;
  gap: 2rem;
}
.nav__links a {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  transition: color 0.3s;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--terra);
  transition: width 0.4s var(--ease-out);
}
.nav__links a:hover { color: var(--blue-deep); }
.nav__links a:hover::after { width: 100%; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--ink);
  transition: 0.3s;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
}
.hero__image-wrap { position: absolute; inset: 0; }
.hero__image {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 9s ease-out;
}
.hero.loaded .hero__image { transform: scale(1); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(26,35,50,0.06) 0%, rgba(26,35,50,0.52) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 4rem 3rem;
}
.hero__text {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 560px;
}
.hero__label {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
}
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 400;
  color: #fff;
  line-height: 1.12;
}
.hero__series {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.06em;
}
.hero__scroll {
  position: absolute;
  right: 3rem; bottom: 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.hero__scroll span {
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  writing-mode: vertical-rl;
}
.hero__scroll-line {
  width: 1px; height: 60px;
  background: rgba(255,255,255,0.25);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%; left: 0;
  width: 100%; height: 100%;
  background: rgba(255,255,255,0.75);
  animation: scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine { 0% { top: -100%; } 100% { top: 100%; } }

/* ===== SECTIONS ===== */
.section { padding: 7rem 3rem; }

.section__label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 0.6rem;
}
.section__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--blue-deep);
  line-height: 1.1;
}

/* ===== COLLECTIONS OVERVIEW ===== */
.collections__intro {
  margin-top: 1.2rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
  max-width: 52ch;
  line-height: 1.85;
}
.collections__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin-top: 4rem;
}
.collection-card { overflow: hidden; }
.collection-card__link { display: block; }
.collection-card__image-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.collection-card__image { transition: transform 0.9s var(--ease-out); }
.collection-card__link:hover .collection-card__image { transform: scale(1.05); }
.collection-card__tint {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(30,58,95,0.55) 0%, transparent 60%);
}
.collection-card__name-overlay {
  position: absolute;
  bottom: 1.5rem; left: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.collection-card__name-overlay h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: #fff;
  line-height: 1;
}
.collection-card__name-overlay em {
  font-size: 0.88rem;
  font-style: italic;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.04em;
}
.collection-card__body { padding: 1.25rem 0 0; }
.collection-card__count {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--terra);
  display: block;
  margin-bottom: 0.5rem;
}
.collection-card__desc {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.8;
  max-width: 40ch;
}
.collection-card__cta {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--blue-soft);
  transition: color 0.3s, letter-spacing 0.3s;
}
.collection-card__link:hover .collection-card__cta {
  color: var(--terra);
  letter-spacing: 0.12em;
}

/* ===== SERIE SECTION ===== */
.serie { background: var(--white); }
.serie:nth-of-type(even) { background: var(--cream); }

.serie__header { margin-bottom: 3.5rem; }

.serie__title-block {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin: 0.5rem 0 1.5rem;
}
.serie__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400;
  color: var(--blue-deep);
  line-height: 1;
}
.serie__title-it {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--ink-pale);
  letter-spacing: 0.04em;
}
.serie__manifesto {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.9;
  max-width: 58ch;
  border-left: 2px solid var(--terra);
  padding-left: 1.5rem;
}
.serie__manifesto em {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--ink-pale);
}

/* Pieza ancla (full width) */
.serie__anchor { margin-bottom: 2px; }
.artwork--anchor .artwork__image-wrap { aspect-ratio: 16/7; }
.artwork--anchor .artwork__caption { padding-top: 0.9rem; }

/* Cuadrícula serie */
.serie__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 2px;
}

/* ===== ARTWORK CARD ===== */
.artwork { overflow: hidden; }
.artwork__image-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  cursor: pointer;
}
.artwork__image { transition: transform 0.75s var(--ease-out); }
.artwork__image-wrap:hover .artwork__image { transform: scale(1.07); }

.artwork__hover {
  position: absolute;
  inset: 0;
  background: rgba(26,35,50,0.8);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.35s;
}
.artwork__image-wrap:hover .artwork__hover { opacity: 1; }

.artwork__series-tag {
  font-size: 0.63rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--terra-light);
  margin-bottom: 0.4rem;
}
.artwork__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: #fff;
  line-height: 1.25;
}
.artwork__meta {
  font-size: 0.73rem;
  color: rgba(255,255,255,0.55);
  margin-top: 0.3rem;
  letter-spacing: 0.04em;
}

/* Caption below artwork */
.artwork__caption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.6rem 0 0;
  gap: 1rem;
}
.artwork__caption-title {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  color: var(--ink);
  font-weight: 400;
}
.artwork__caption-meta {
  font-size: 0.72rem;
  color: var(--ink-pale);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.serie__grid--4col { grid-template-columns: repeat(4, 1fr); }
.serie__grid--2col { grid-template-columns: repeat(2, 1fr); }
.serie--alt { background: var(--cream); }

/* ===== SERIE DIVIDER ===== */
.serie-divider {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 3rem;
  margin: 0;
}
.serie-divider__line {
  flex: 1;
  height: 1px;
  background: var(--beige);
}
.serie-divider__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--terra);
  flex-shrink: 0;
}

/* ===== ABOUT ===== */
.about { background: var(--cream); }
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
  max-width: 1100px;
}
.about__portrait {
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
  max-height: 600px;
}
.about__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 400;
  color: var(--blue-deep);
  margin: 0.6rem 0 1.4rem;
  line-height: 1.1;
}
.about__bio {
  font-size: 0.93rem;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 0.85rem;
}
.about__bio--it {
  font-size: 0.85rem;
  color: var(--ink-pale);
  border-top: 1px solid var(--beige);
  padding-top: 0.85rem;
  margin-top: 0.5rem;
}
.about__link {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--blue-soft);
  border-bottom: 1px solid var(--blue-pale);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}
.about__link:hover { color: var(--terra); border-color: var(--terra-light); }

/* ===== FOOTER ===== */
.footer {
  background: var(--blue-deep);
  color: rgba(255,255,255,0.7);
  padding: 4rem 3rem 2rem;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: start;
  gap: 3rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__name {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: #fff;
  margin-bottom: 0.3rem;
}
.footer__tagline {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}
.footer__contact-block {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer__contact-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--terra-light);
  margin-bottom: 0.2rem;
}
.footer__email,
.footer__social {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.3s;
}
.footer__email:hover,
.footer__social:hover { color: var(--terra-light); }

.footer__qr-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}
.footer__qr {
  width: 100px; height: 100px;
  background: var(--blue-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.footer__qr-img { width: 100px; height: 100px; object-fit: contain; }
.footer__qr-label {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.35);
  text-align: center;
}
.footer__bottom {
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.25);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 90;
  width: 42px; height: 42px;
  background: var(--blue-deep);
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s, background 0.3s;
  box-shadow: 0 4px 20px rgba(30,58,95,0.25);
}
.back-to-top.visible { opacity: 1; pointer-events: all; }
.back-to-top:hover { background: var(--terra); }

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(20, 28, 40, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox__close {
  position: absolute;
  top: 1.4rem; right: 1.8rem;
  font-size: 1.3rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.3s;
  line-height: 1;
}
.lightbox__close:hover { color: #fff; }
.lightbox__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 92vw;
  max-height: 92vh;
}
.lightbox__image-container {
  max-width: 82vw;
  max-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox__image {
  max-width: 82vw;
  max-height: 72vh;
  width: auto;
  height: auto;
  object-fit: contain;
}
.lightbox__info { text-align: center; }
.lightbox__series {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terra-light);
  margin-bottom: 0.35rem;
}
.lightbox__title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: #fff;
}
.lightbox__meta {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  margin-top: 0.3rem;
}
.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: rgba(255,255,255,0.4);
  padding: 1rem;
  transition: color 0.3s;
}
.lightbox__prev { left: 1rem; }
.lightbox__next { right: 1rem; }
.lightbox__prev:hover,
.lightbox__next:hover { color: #fff; }

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .nav { padding: 1rem 1.5rem; }
  .nav__links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    padding: 1.5rem 1.5rem 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--beige);
    box-shadow: 0 8px 32px rgba(30,58,95,0.08);
  }
  .nav__links.open { display: flex; }
  .nav__toggle { display: flex; }

  .section { padding: 4.5rem 1.5rem; }
  .hero__overlay { padding: 2.5rem 1.5rem; }
  .hero__scroll { right: 1.5rem; }

  .collections__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .serie__grid { grid-template-columns: repeat(2, 1fr); }
  .serie__grid--4col { grid-template-columns: repeat(2, 1fr); }
  .serie__grid--2col { grid-template-columns: 1fr; }
  .artwork--anchor .artwork__image-wrap { aspect-ratio: 16/9; }

  .about__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .about__portrait { max-height: 380px; }

  .footer__inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer__qr-block { grid-column: 1 / -1; flex-direction: row; gap: 1.2rem; align-items: center; justify-content: flex-start; }

  .serie-divider { padding: 0 1.5rem; }
}

@media (max-width: 600px) {
  .serie__grid { grid-template-columns: 1fr; }
  .artwork--anchor .artwork__image-wrap { aspect-ratio: 4/3; }
  .artwork__caption { flex-direction: column; gap: 0.2rem; }
  .artwork__caption-meta { white-space: normal; }
  .footer__inner { grid-template-columns: 1fr; }
  .lightbox__prev, .lightbox__next { display: none; }
}