/* ================================================================
   JAZZ ARQUITECTURA — style.css
   Estilos no críticos cargados de forma diferida (below-the-fold)
   ================================================================ */

/* === UTILIDADES === */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section--alt {
  background: var(--clr-bg-alt);
}

/* Reveal: estado inicial definido en el CSS crítico inline,
   aquí sólo la clase visible y los delays */
.reveal--visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}
.reveal--delay-1 { transition-delay: .15s; }
.reveal--delay-2 { transition-delay: .30s; }
.reveal--delay-3 { transition-delay: .45s; }
.reveal--delay-4 { transition-delay: .60s; }

.section__label {
  display: block;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--clr-olive);
  margin-bottom: var(--space-sm);
}

.section__title {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -.025em;
  color: var(--clr-text);
  margin-bottom: var(--space-md);
}

.section__subtitle {
  font-size: 1rem;
  color: var(--clr-text-soft);
  max-width: 580px;
  line-height: 1.85;
}

/* === BOTONES === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .625rem;
  padding: 1rem 2.5rem;
  font-family: var(--ff-body);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--clr-olive);
  color: var(--clr-white);
}
.btn--primary:hover {
  background: var(--clr-olive-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(78, 88, 60, .28);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-white);
  border: 1px solid rgba(255,255,255,.45);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.8);
}

.btn--outline {
  background: transparent;
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}
.btn--outline:hover {
  border-color: var(--clr-olive);
  color: var(--clr-olive);
}

/* === MANIFIESTO (dark) === */
.manifesto {
  background: var(--clr-dark);
  padding: var(--space-xl) var(--space-md);
}

.manifesto__inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.manifesto__quote {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.5vw, 2.75rem);
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--clr-white);
}

.manifesto__quote em {
  color: var(--clr-olive-light);
  font-style: italic;
}

.manifesto__line {
  width: 40px;
  height: 1px;
  background: var(--clr-olive);
  margin: var(--space-md) auto 0;
  opacity: .6;
}

/* === OBRA: PROPUESTA Y REALIDAD === */
.obra {
  padding: 0;
  overflow: hidden;
}

.obra__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.obra__panel {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.obra__panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s cubic-bezier(.4,0,.2,1);
  display: block;
}

.obra__panel:hover img {
  transform: scale(1.04);
}

.obra__label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  background: linear-gradient(to top, rgba(26,28,20,.88) 0%, transparent 100%);
  color: var(--clr-white);
}

.obra__label-tag {
  display: inline-block;
  font-size: .65rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--clr-olive-light);
  margin-bottom: .5rem;
}

.obra__label h3 {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.15;
  letter-spacing: -.01em;
}

/* === PROYECTOS DESTACADOS (index) === */
.featured {
  padding: var(--space-xl) 0;
}

.featured__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: var(--container);
  margin: 0 auto var(--space-lg);
  padding: 0 var(--space-md);
}

.featured__link {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--clr-olive);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  transition: gap var(--transition-fast);
}
.featured__link:hover { gap: .875rem; }

.featured__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.featured__item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: var(--clr-bg-alt);
}

.featured__item--wide {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 7;
}

.featured__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .75s cubic-bezier(.4,0,.2,1);
}

.featured__item:hover img {
  transform: scale(1.04);
}

.featured__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,28,20,0);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  transition: background .4s ease;
}

.featured__item:hover .featured__overlay {
  background: rgba(26,28,20,.55);
}

.featured__info {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease;
  color: var(--clr-white);
}

.featured__item:hover .featured__info {
  opacity: 1;
  transform: translateY(0);
}

.featured__info h3 {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1.2;
  margin-bottom: .2rem;
}

.featured__info span {
  font-size: .7rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  opacity: .8;
}

/* === FIRMA (perfil arquitecta) === */
.firma {
  padding: var(--space-xl) 0;
  background: var(--clr-bg-alt);
}

.firma__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.firma__portrait {
  position: relative;
}

.firma__portrait-img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.firma__portrait-frame {
  position: absolute;
  top: -16px;
  left: -16px;
  width: 100%;
  height: 100%;
  border: 1px solid var(--clr-olive);
  opacity: .25;
  pointer-events: none;
  z-index: -1;
}

.firma__text {
  padding-right: var(--space-lg);
}

.firma__name {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 4.5vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -.025em;
  margin-bottom: .75rem;
}

.firma__role {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--clr-olive);
  margin-bottom: var(--space-md);
}

.firma__bio {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--clr-text-soft);
  margin-bottom: var(--space-md);
}

.firma__divider {
  width: 40px;
  height: 1px;
  background: var(--clr-olive);
  opacity: .5;
  margin-bottom: var(--space-md);
}

/* === PAGE HERO (proyectos / contacto) === */
.page-hero {
  position: relative;
  min-height: 42vh;
  display: flex;
  align-items: flex-end;
  padding: calc(80px + var(--space-xl)) var(--space-md) var(--space-lg);
  background: var(--clr-dark);
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
}

.page-hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
}

.page-hero__label {
  display: block;
  font-size: .7rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--clr-olive-light);
  margin-bottom: var(--space-xs);
}

.page-hero__title {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(2.8rem, 7vw, 6.5rem);
  line-height: .92;
  letter-spacing: -.03em;
  color: var(--clr-white);
}

/* === FILTRO DE PROYECTOS === */
.projects-section {
  padding: var(--space-lg) 0 var(--space-xl);
}

.filter-bar {
  max-width: var(--container);
  margin: 0 auto var(--space-lg);
  padding: 0 var(--space-md) var(--space-md);
  display: flex;
  gap: .25rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--clr-border);
}

.filter-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--ff-body);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--clr-text-soft);
  padding: .625rem 1.25rem;
  position: relative;
  transition: color var(--transition-fast);
}

.filter-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 1.25rem;
  right: 1.25rem;
  height: 2px;
  background: var(--clr-olive);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
  color: var(--clr-text);
}

.filter-btn.active::after {
  transform: scaleX(1);
}

/* === CUADRÍCULA DE PROYECTOS === */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.project-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: var(--clr-bg-alt);
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .7s cubic-bezier(.4,0,.2,1);
}

.project-item:hover img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,28,20,0);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md);
  transition: background .38s ease;
}

.project-item:hover .project-overlay {
  background: rgba(26,28,20,.65);
}

.project-overlay__info {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .32s ease, transform .32s ease;
  color: var(--clr-white);
}

.project-item:hover .project-overlay__info {
  opacity: 1;
  transform: translateY(0);
}

.project-overlay__title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1.2;
  margin-bottom: .25rem;
}

.project-overlay__meta {
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: .8;
}

/* === LIGHTBOX === */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(14,16,10,.96);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}

.lightbox--active {
  opacity: 1;
  pointer-events: all;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  box-shadow: 0 12px 64px rgba(0,0,0,.7);
  transition: opacity .14s ease;
}

.lightbox__meta {
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
}

.lightbox__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: 1px solid rgba(255,255,255,.3);
  color: var(--clr-white);
  width: 48px;
  height: 48px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, border-color .2s;
  font-size: 1.4rem;
  line-height: 1;
  font-family: var(--ff-body);
}

.lightbox__close:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--clr-white);
}

.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 1px solid rgba(255,255,255,.3);
  color: var(--clr-white);
  width: 52px;
  height: 52px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  line-height: 1;
  font-family: var(--ff-body);
  transition: background .2s, border-color .2s;
}

.lightbox__prev { left: var(--space-md); }
.lightbox__next { right: var(--space-md); }

.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--clr-white);
}

/* === PÁGINA CONTACTO === */
.contact-section {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.contact-channels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-sm);
  max-width: var(--container);
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-md);
}

.channel-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--clr-border);
  text-decoration: none;
  color: var(--clr-text);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.channel-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--clr-olive);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.channel-card:hover::after { transform: scaleX(1); }

.channel-card:hover {
  border-color: var(--clr-olive);
  transform: translateY(-4px);
  box-shadow: 0 10px 36px rgba(78,88,60,.12);
}

.channel-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-olive);
  margin-bottom: var(--space-sm);
}

.channel-card__label {
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--clr-text-soft);
  margin-bottom: .375rem;
}

.channel-card__value {
  font-size: .95rem;
  font-weight: 500;
  word-break: break-word;
}

/* === FORMULARIO DE CONTACTO === */
.contact-form-wrap {
  max-width: 620px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.contact-form-title {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -.02em;
  margin-bottom: var(--space-lg);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--clr-text-soft);
  margin-bottom: .625rem;
}

.form-required { color: var(--clr-olive); margin-left: .15rem; }
.form-optional { font-size: .68rem; font-weight: 400; text-transform: none; letter-spacing: 0; opacity: .7; }

.form-input {
  width: 100%;
  padding: 1rem 1.25rem;
  font-family: var(--ff-body);
  font-size: 1rem;
  color: var(--clr-text);
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color var(--transition-fast);
  border-radius: 0;
}

.form-input::placeholder { color: var(--clr-text-soft); opacity: .55; }
.form-input:focus { border-color: var(--clr-olive); }

.form-textarea {
  resize: vertical;
  min-height: 140px;
  font-family: var(--ff-body);
}

.form-error {
  font-size: .85rem;
  color: #b83232;
  margin-top: var(--space-sm);
  min-height: 1.25em;
  line-height: 1.5;
}

.contact__form-submit {
  width: 100%;
  margin-top: var(--space-sm);
  justify-content: center;
}

.contact__form-success {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.contact__form-success svg {
  color: var(--clr-olive);
  margin: 0 auto var(--space-md);
}

.contact__form-success h3 {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -.02em;
  margin-bottom: var(--space-sm);
}

.contact__form-success p {
  color: var(--clr-text-soft);
  font-size: 1rem;
  line-height: 1.8;
}

/* === FOOTER === */
.footer {
  background: var(--clr-dark);
  color: var(--clr-white);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-lg);
  align-items: start;
}

.footer__brand { }

.footer__logo-text {
  display: inline-block;
  font-family: var(--ff-body);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.85);
  text-decoration: none;
  margin-bottom: var(--space-md);
  transition: color .2s;
}
.footer__logo-text span {
  font-weight: 300;
  opacity: .7;
}
.footer__logo-text:hover { color: var(--clr-white); }

.footer__tagline {
  font-size: .78rem;
  color: rgba(255,255,255,.42);
  letter-spacing: .06em;
  margin-bottom: var(--space-md);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  align-items: flex-end;
}

.footer__nav a {
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  text-decoration: none;
  transition: color .2s;
}

.footer__nav a:hover { color: var(--clr-white); }

.footer__bottom {
  max-width: var(--container);
  margin: var(--space-lg) auto 0;
  padding: var(--space-md) var(--space-md) 0;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: .72rem;
  color: rgba(255,255,255,.28);
  letter-spacing: .06em;
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social a {
  color: rgba(255,255,255,.4);
  text-decoration: none;
  transition: color .2s;
  display: flex;
  align-items: center;
}

.footer__social a:hover { color: var(--clr-white); }

/* ================================================================
   RESPONSIVE
   ================================================================ */

@media (max-width: 1024px) {
  .firma__text { padding-right: 0; }
  .firma__grid { gap: var(--space-lg); }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-2xl: 6rem;
  }

  .obra__grid { grid-template-columns: 1fr; }
  .obra__panel:first-child { display: none; }

  .featured__grid {
    grid-template-columns: 1fr;
  }
  .featured__item--wide {
    grid-column: 1;
    aspect-ratio: 4 / 3;
  }

  .firma__grid { grid-template-columns: 1fr; }
  .firma__portrait { max-width: 340px; margin: 0 auto; }
  .firma__portrait-frame { display: none; }

  .projects-grid { grid-template-columns: 1fr; gap: 2px; }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__nav { align-items: flex-start; }

  .lightbox__prev { left: var(--space-sm); }
  .lightbox__next { right: var(--space-sm); }

  .page-hero { min-height: 34vh; }
}

@media (max-width: 480px) {
  .contact-channels { grid-template-columns: 1fr 1fr; }
  .filter-bar { gap: 0; }
  .filter-btn { padding: .625rem .875rem; }
}

/* Sin animaciones para usuarios que lo prefieren */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .project-item img,
  .featured__item img,
  .obra__panel img,
  .lightbox__img {
    transition: none !important;
  }
}