/* ==========================================================================
   MKL Estudio — Design tokens
   ========================================================================== */

@font-face {
  font-family: "Familjen Grotesk";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../assets/fonts/FamiljenGrotesk-Variable.woff2") format("woff2");
}

@font-face {
  font-family: "Familjen Grotesk";
  font-style: italic;
  font-weight: 400 700;
  font-display: swap;
  src: url("../assets/fonts/FamiljenGrotesk-Italic-Variable.woff2") format("woff2");
}

@font-face {
  font-family: "Jost";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../assets/fonts/Jost-Variable.woff2") format("woff2");
}

@font-face {
  font-family: "Jost";
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
  src: url("../assets/fonts/Jost-Italic-Variable.woff2") format("woff2");
}

:root {
  /* Color — fondo greige del logo real de la marca, sin color de acento */
  --color-bg: #E4E2DD;
  --color-fg: #171715;
  --color-fg-muted: #171715B3; /* 70% */
  --color-border: #17171526;   /* 15% */
  --color-bg-raised: #DAD8D2;  /* leve variación para separar bloques sin salir de la paleta */

  /* Tipografía — Jost en todo el sitio; el logo MKL/ESTUDIO conserva Familjen Grotesk */
  --font-family: "Jost", "Helvetica Neue", Arial, sans-serif;
  --font-logo: "Familjen Grotesk", "Helvetica Neue", Arial, sans-serif;
  --weight-light: 400;
  --weight-bold: 700;

  --fs-display: clamp(2.75rem, 3rem + 4vw, 7.5rem);
  --fs-h1: clamp(2rem, 1.6rem + 2vw, 3.5rem);
  --fs-h2: clamp(1.5rem, 1.3rem + 1vw, 2.25rem);
  --fs-h3: clamp(1.125rem, 1rem + 0.5vw, 1.5rem);
  --fs-body: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  --fs-small: 0.875rem;
  --fs-micro: 0.75rem;

  --lh-tight: 1.05;
  --lh-heading: 1.15;
  --lh-body: 1.6;

  /* Espaciado */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --space-7: 9rem;

  --container-max: 90rem;
  --container-pad: clamp(1.25rem, 4vw, 3rem);

  --transition-fast: 150ms ease;
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  color-scheme: light;
}

/* ==========================================================================
   Reset
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body,
h1, h2, h3, h4, p,
figure, blockquote, dl, dd {
  margin: 0;
}

body {
  min-height: 100svh;
  font-family: var(--font-family);
  font-weight: var(--weight-light);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-fg);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, picture, svg {
  display: block;
  max-width: 100%;
}

/* Protección de fotos: sin click derecho sobre la imagen (el evento cae en
   el contenedor y el menú no ofrece "guardar imagen"), sin arrastre y sin
   selección. Disuade la copia casual; no es una barrera absoluta. */
img {
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1, h2, h3 {
  font-weight: var(--weight-bold);
  line-height: var(--lh-heading);
}

/* Visually-hidden but available to assistive tech */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-2);
  z-index: 200;
  background: var(--color-fg);
  color: var(--color-bg);
  padding: var(--space-1) var(--space-2);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-2);
}

:focus-visible {
  outline: 2px solid var(--color-fg);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-6);
}

.section-head {
  max-width: 42rem;
  margin-bottom: var(--space-5);
}

.eyebrow {
  display: block;
  font-size: var(--fs-small);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: var(--space-2);
  color: var(--color-fg-muted);
}

/* ==========================================================================
   Logo — texto real, no imagen
   ========================================================================== */

.logo {
  display: inline-flex;
  flex-direction: column;
  line-height: 0.85;
  color: var(--color-fg);
  font-family: var(--font-logo);
}

.logo__mark {
  font-weight: var(--weight-bold);
  letter-spacing: -0.04em;
  font-size: 1.5rem;
}

.logo__label {
  font-weight: var(--weight-light);
  letter-spacing: 0.32em;
  font-size: 0.625rem;
  margin-top: 0.35em;
}

.logo--hero {
  line-height: 0.82;
}

.logo--hero .logo__mark {
  font-size: var(--fs-display);
}

.logo--hero .logo__label {
  font-size: clamp(0.75rem, 0.6rem + 0.5vw, 1.25rem);
  margin-top: 0.2em;
}

/* ==========================================================================
   Header / nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-2);
}

.site-nav ul {
  display: flex;
  gap: var(--space-4);
}

.site-nav a {
  font-size: var(--fs-small);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-block: 0.25rem;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: var(--color-fg);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin: -12px;
}

.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: "";
  display: block;
  height: 2px;
  width: 24px;
  background: var(--color-fg);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle__bar::before {
  position: relative;
  top: -7px;
}

.nav-toggle__bar::after {
  position: relative;
  top: 5px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before {
  top: 0;
  transform: rotate(45deg);
  background: var(--color-fg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after {
  top: -2px;
  transform: rotate(-45deg);
  background: var(--color-fg);
}

@media (max-width: 47.99rem) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h, 65px) 0 0 0;
    background: var(--color-bg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    overflow-y: auto;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--space-3) var(--container-pad);
  }

  .site-nav li {
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav a {
    display: block;
    padding-block: var(--space-3);
    font-size: var(--fs-h3);
    text-transform: none;
    letter-spacing: 0;
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.button {
  display: inline-block;
  border: 1px solid var(--color-fg);
  padding: 0.85em 1.75em;
  font-size: var(--fs-small);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.button:hover,
.button:focus-visible {
  background: var(--color-fg);
  color: var(--color-bg);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-block: var(--space-5) var(--space-6);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
}

.hero__text {
  max-width: 34rem;
}

.hero__heading {
  margin-block: var(--space-2) var(--space-3);
}

.hero__tagline {
  font-size: var(--fs-h3);
  font-weight: var(--weight-light);
  max-width: 28rem;
  margin-bottom: var(--space-4);
}

.hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  max-height: 70vh;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__caption {
  position: absolute;
  left: var(--space-2);
  bottom: var(--space-2);
  font-size: var(--fs-micro);
  font-style: italic;
  color: var(--color-bg);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.45);
}

@media (min-width: 64rem) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .hero__media {
    max-height: 80vh;
  }
}

/* ==========================================================================
   Intro
   ========================================================================== */

.intro__inner .section-head {
  margin-bottom: var(--space-3);
}

.intro__text {
  font-size: var(--fs-h3);
  font-weight: var(--weight-light);
  max-width: 46rem;
}

/* ==========================================================================
   Servicios
   ========================================================================== */

.servicios__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.servicio-card {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
}

.servicio-card h3 {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-2);
}

.servicio-card > p {
  max-width: 30rem;
  color: var(--color-fg-muted);
}

.servicio-card__sub {
  display: grid;
  gap: var(--space-3);
  margin: 0;
}

.servicio-card__sub dt {
  font-weight: var(--weight-bold);
  margin-bottom: 0.25em;
}

.servicio-card__sub dd {
  margin: 0;
  max-width: 30rem;
  color: var(--color-fg-muted);
}

@media (min-width: 48rem) {
  .servicios__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }
}

/* ==========================================================================
   Portfolio grid
   ========================================================================== */

.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.portfolio__placeholder,
.portfolio__error {
  color: var(--color-fg-muted);
  font-style: italic;
}

.portfolio__card {
  display: block;
  width: 100%;
  text-align: left;
}

.portfolio__card picture {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: var(--color-bg-raised);
}

/* height:100% explícito: los atributos width/height del img (reserva de
   espacio anti-CLS) actúan como hint presentacional y anulan aspect-ratio
   si height queda sin declarar — el img debe llenar el marco 2:3 de picture. */
.portfolio__card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio__card img {
  transition: transform var(--transition-slow);
}

.portfolio__card:hover img,
.portfolio__card:focus-visible img {
  transform: scale(1.035);
}

.portfolio__card-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.portfolio__card-nombre {
  font-weight: var(--weight-bold);
  font-size: var(--fs-h3);
}

.portfolio__card-categoria {
  font-size: var(--fs-small);
  font-style: italic;
  color: var(--color-fg-muted);
  text-align: right;
}

@media (min-width: 48rem) {
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .portfolio__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   Ficha de proyecto — overlay a página completa
   ========================================================================== */

body.no-scroll {
  overflow: hidden;
}

.proyecto-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--color-bg);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.proyecto-overlay[hidden] {
  display: none;
}

.proyecto-ficha__close {
  position: fixed;
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 310;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  line-height: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-fg);
  border-radius: 50%;
}

.proyecto-ficha__close:hover,
.proyecto-ficha__close:focus-visible {
  background: var(--color-fg);
  color: var(--color-bg);
}

.proyecto-ficha__inner {
  max-width: 72rem;
  margin-inline: auto;
  padding: var(--space-5) var(--container-pad) var(--space-7);
}

.proyecto-ficha__categoria {
  font-style: italic;
  color: var(--color-fg-muted);
  margin-bottom: var(--space-1);
}

.proyecto-ficha__head h2 {
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  margin-bottom: var(--space-3);
}

.proyecto-ficha__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.proyecto-ficha__meta dt {
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-fg-muted);
  margin-bottom: 0.25em;
}

.proyecto-ficha__meta dd {
  margin: 0;
  font-weight: var(--weight-bold);
}

.proyecto-ficha__descripcion {
  max-width: 40rem;
  font-size: var(--fs-h3);
  font-weight: var(--weight-light);
}

/* Galería editorial: fotos combinadas en distintos tamaños sobre un grid
   de 6 columnas (referencia: francescrifestudio.com). El patrón se repite
   cada 4 fotos; en mobile cae a una sola columna. */
.proyecto-ficha__galeria {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.proyecto-ficha__foto {
  margin: 0;
  grid-column: 1 / -1;
}

.proyecto-ficha__foto img {
  width: 100%;
  height: auto;
}

@media (min-width: 48rem) {
  .proyecto-ficha__galeria {
    gap: var(--space-5) var(--space-4);
  }

  .proyecto-ficha__foto:nth-child(4n + 1) {
    grid-column: 1 / span 4;
  }

  .proyecto-ficha__foto:nth-child(4n + 2) {
    grid-column: 5 / span 2;
    align-self: end;
  }

  .proyecto-ficha__foto:nth-child(4n + 3) {
    grid-column: 2 / span 2;
    align-self: center;
  }

  .proyecto-ficha__foto:nth-child(4n) {
    grid-column: 4 / span 3;
  }
}

/* ==========================================================================
   Contacto
   ========================================================================== */

.contacto__lead {
  font-size: var(--fs-h3);
  font-weight: var(--weight-light);
  max-width: 34rem;
  margin-top: var(--space-2);
}

.contacto__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: 0;
}

.contacto__item {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-2);
}

.contacto__item dt {
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-fg-muted);
  margin-bottom: 0.35em;
}

.contacto__item dd {
  margin: 0;
  font-size: var(--fs-h3);
}

.contacto__item a {
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.contacto__item a:hover,
.contacto__item a:focus-visible {
  border-color: var(--color-fg);
}

@media (min-width: 48rem) {
  .contacto__list {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4) var(--space-5);
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-4);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__meta,
.site-footer__copy {
  font-size: var(--fs-small);
  color: var(--color-fg-muted);
}

@media (min-width: 48rem) {
  .site-footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}