/* ==========================================================================
   Marcela Oviedo — Portafolio profesional
   Sistema de diseño compartido por las 3 plantillas (home / categoría / proyecto)

   Paleta y tipografía de referencia: byalicelee.com (colores extraídos por
   computed style; fuentes de pago del sitio original — Circularstd, freight-
   display-pro, GT Super Display — sustituidas por equivalentes libres de
   Google Fonts con el mismo carácter: Inter + Playfair Display italic).
   ========================================================================== */

:root {
  /* Paleta (valores exactos tomados de byalicelee.com) */
  --color-bg: #FFFFFF;
  --color-text: #333333;
  --color-nav: #6A798D;
  --color-accent: #B68757;
  --color-subtitle: #7D8590;
  --color-h1: #063D8C;
  --color-contact-bg: #F8EAE0;
  --color-border: #EAE7E2;

  /* Tipografía */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --max-width: 1180px;
  --nav-height: 78px;
  --banner-height: 34px;
  --header-height: calc(var(--nav-height) + var(--banner-height));
  --radius: 4px;
  --transition: .25s ease;

  /* Espaciado */
  --space-xs: .5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}
.nav__banner {
  flex: 0 0 auto;
  height: var(--banner-height);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-h1);
  color: #fff;
  font-size: 11px;
  line-height: 1.3;
  text-align: center;
  padding: 0 var(--space-md);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav__banner strong { color: #fff; }
.nav__inner {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}
.nav__logo {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--color-h1);
  white-space: nowrap;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav__links a {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--color-nav);
  padding: .4rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav__links a:hover,
.nav__links a.is-active {
  color: var(--color-h1);
}
.nav__links a.nav__cta {
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: .5rem 1rem;
  border-radius: 999px;
}
.nav__links a.nav__cta:hover {
  background: var(--color-accent);
  color: #fff;
}
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav__toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-h1);
  display: block;
  transition: transform var(--transition), opacity var(--transition);
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Placeholder de imagen ---------- */
.ph {
  position: relative;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(26,26,140,.07), rgba(178,131,83,.14));
}
.ph::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(26,26,140,.05) 0 1px, transparent 1px 34px);
}
.ph::after {
  content: attr(data-label);
  position: absolute;
  left: 14px;
  bottom: 12px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(51, 51, 51, .38);
  max-width: calc(100% - 28px);
}
.ph--1 { background: linear-gradient(135deg, rgba(26,26,140,.08), rgba(178,131,83,.10)); }
.ph--2 { background: linear-gradient(135deg, rgba(178,131,83,.14), rgba(26,26,140,.05)); }
.ph--3 { background: linear-gradient(135deg, rgba(122,138,163,.16), rgba(178,131,83,.08)); }

.ph--hero { aspect-ratio: 21 / 9; }
.ph--card { aspect-ratio: 4 / 3; }
.ph--tall { aspect-ratio: 3 / 4; }
.ph--square { aspect-ratio: 1 / 1; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .85rem 1.75rem;
  border-radius: 999px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn--primary {
  background: var(--color-h1);
  color: #fff;
}
.btn--primary:hover { background: #12125e; }
.btn--outline {
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
}
.btn--outline:hover { background: var(--color-accent); color: #fff; }

/* ---------- Hero (home) ---------- */
.hero {
  padding-top: var(--header-height);
}
.hero__img { border-radius: 0; aspect-ratio: 21 / 8; }

/* ---------- Frase de presentación ---------- */
.intro {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  text-align: center;
}
.intro p {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.5;
  color: var(--color-text);
}
.intro a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  transition: color var(--transition);
}
.intro a:hover { color: var(--color-h1); }

/* ---------- Secciones ---------- */
.section {
  padding: var(--space-lg) 0;
}
.section__header {
  margin-bottom: var(--space-lg);
  text-align: center;
}
.eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-subtitle);
  margin-bottom: var(--space-xs);
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-h1);
}

/* ---------- Masonry / grillas ---------- */
.masonry-3 {
  column-count: 3;
  column-gap: var(--space-md);
}
.masonry-2 {
  column-count: 2;
  column-gap: var(--space-md);
}
.masonry-3 .card,
.masonry-2 .card {
  break-inside: avoid;
  margin-bottom: var(--space-md);
  display: block;
}

.card__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  margin-top: var(--space-sm);
}
.card__subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: .95rem;
  color: var(--color-subtitle);
  margin-top: .2rem;
}
.card:hover .ph { opacity: .88; }

/* ---------- Bloque de categorías ---------- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.category-card {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}
.category-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}
.category-card__name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-h1);
  margin-bottom: .5rem;
}
.category-card__desc {
  font-size: .9rem;
  color: var(--color-text);
}

/* ---------- Footer completo (home) ---------- */
.footer {
  background: var(--color-contact-bg);
  margin-top: var(--space-lg);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
}
.footer__title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-h1);
  margin-bottom: var(--space-sm);
}
.footer__text {
  max-width: 46ch;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.footer__email {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--color-accent);
}
.footer__social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.footer__social a {
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-nav);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-nav);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.footer__social a:hover {
  background: var(--color-h1);
  border-color: var(--color-h1);
  color: #fff;
}
.footer__card {
  background: #fff;
  border-radius: var(--radius);
  padding: var(--space-md);
  align-self: start;
}
.footer__card p {
  font-size: .9rem;
  color: var(--color-subtitle);
  margin-bottom: var(--space-md);
}
.footer__bottom {
  border-top: 1px solid rgba(26,26,140,.1);
  padding: var(--space-sm) 0 var(--space-md);
  font-size: 12px;
  color: var(--color-subtitle);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}

/* ---------- Footer simple (categoría / proyecto) ---------- */
.footer--simple {
  background: transparent;
  margin-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}
.footer--simple .footer__bottom {
  border-top: none;
  padding: var(--space-md) 0;
  justify-content: center;
  gap: var(--space-md);
}
.footer--simple a:hover { color: var(--color-h1); }

/* ---------- Página de categoría ---------- */
.category-hero {
  padding: calc(var(--header-height) + var(--space-xl)) 0 var(--space-lg);
  text-align: center;
}
.category-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  color: var(--color-h1);
  margin-bottom: var(--space-md);
}
.category-hero__intro {
  max-width: 58ch;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--color-text);
}

/* ---------- Página de proyecto ---------- */
.project-hero {
  padding-top: calc(var(--header-height) + var(--space-lg));
  padding-bottom: var(--space-lg);
}
.project-hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.project-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--color-h1);
  margin: var(--space-sm) 0 var(--space-md);
}
.project-hero__desc {
  font-size: 1.05rem;
  color: var(--color-text);
  max-width: 46ch;
}
.project-hero__desc em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-h1);
}
.project-meta {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
.project-meta__item span {
  display: block;
}
.project-meta__label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-subtitle);
  margin-bottom: .3rem;
}
.project-meta__value {
  font-size: .9rem;
  font-weight: 700;
}

.project-gallery {
  padding-bottom: var(--space-xl);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .footer__grid { grid-template-columns: 1fr; }
  .project-hero__grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1040px) {
  .nav__links {
    position: absolute;
    top: var(--header-height);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .nav__links.is-open { max-height: 480px; }
  .nav__links a {
    width: 100%;
    padding: 1rem var(--space-md);
    border-bottom: 1px solid var(--color-border);
  }
  .nav__links a.nav__cta {
    border-radius: 0;
    border: none;
    margin: 0;
  }
  .nav__toggle { display: flex; }
}

@media (max-width: 760px) {
  .masonry-3, .masonry-2 { column-count: 1; }
  .categories-grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}