/* =========================================================
   JULIÁN MORENO FOTOGRAFÍA — Design tokens
   ========================================================= */
:root {
  --ink: #15140f;
  --paper: #eeece4;
  --surface: #ffffff;
  --moss: #4b5d3a;
  --moss-dark: #37432a;
  --moss-soft: #e2e6d8;
  --line: #d7d3c5;
  --text: #1c1b16;
  --text-mute: #6e6c60;
  --text-on-ink: #efeee6;

  --font-display: 'Big Shoulders Display', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  --font-mono: 'Space Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; background: none; border: none; cursor: pointer; }

h1, h2, h3, .wordmark, .hero-title, .meta-num, .idea-entry-num {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Textura sutil de grano, evoca película */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =========================================================
   HEADER / NAV
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250, 249, 244, 0.86);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.1rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}
.wordmark-dot { color: var(--moss); }

.site-nav { display: flex; gap: 2rem; }
.nav-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--text-mute);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}
.nav-link span { color: var(--moss); font-size: 0.72rem; }
.nav-link:hover, .nav-link.is-active {
  color: var(--text);
  border-bottom-color: var(--moss);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}
.nav-toggle span {
  height: 2px;
  background: var(--text);
  display: block;
}

/* =========================================================
   HERO (Inicio)
   ========================================================= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(21,20,15,0.35) 0%, rgba(21,20,15,0.15) 40%, rgba(21,20,15,0.85) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.75rem 5rem;
  color: var(--text-on-ink);
  width: 100%;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #a9c98e;
  display: block;
  margin-bottom: 1rem;
}
.hero-title {
  font-size: clamp(2.8rem, 8vw, 6rem);
  line-height: 0.98;
  text-transform: uppercase;
  margin-bottom: 1.3rem;
}
.hero-lead {
  max-width: 40ch;
  font-size: 1.05rem;
  color: rgba(239,238,230,0.82);
  margin-bottom: 1.8rem;
}
.hero-scroll {
  position: absolute;
  right: 1.75rem;
  bottom: 2rem;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(239,238,230,0.6);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  writing-mode: vertical-rl;
}
.hero-scroll span {
  width: 1px;
  height: 40px;
  background: rgba(239,238,230,0.4);
  display: block;
}

.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.25rem;
  color: inherit;
}
.btn-line span { transition: transform 0.2s ease; }
.btn-line:hover span { transform: translateX(4px); }

.btn-solid {
  display: inline-block;
  background: var(--moss);
  color: var(--text-on-ink);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.85rem 1.7rem;
  border-radius: 2px;
}
.btn-solid:hover { background: var(--moss-dark); }

/* =========================================================
   INTRO
   ========================================================= */
.intro { padding: 6rem 1.75rem; border-bottom: 1px solid var(--line); }
.intro-inner { max-width: 900px; margin: 0 auto; }
.section-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 1rem;
}
.intro-text {
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  line-height: 1.45;
  font-weight: 400;
  margin-bottom: 3rem;
}
.intro-meta { display: flex; gap: 3.5rem; flex-wrap: wrap; }
.meta-num { display: block; font-size: 2.4rem; color: var(--moss); line-height: 1; }
.meta-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-mute);
  margin-top: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* =========================================================
   SECCIONES GENERALES
   ========================================================= */
.section { padding: 6rem 1.75rem; max-width: 1280px; margin: 0 auto; }
.section--paper { background: var(--surface); max-width: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--paper > * { max-width: 1280px; margin-left: auto; margin-right: auto; }
.section-header { max-width: 60ch; margin-bottom: 3rem; }
.section-header h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); text-transform: uppercase; margin-top: 0.4rem; }
.section-lead { color: var(--text-mute); font-size: 1.02rem; margin-top: 0.8rem; }
.section-cta { margin-top: 3rem; }

.page-head {
  max-width: 1280px;
  margin: 0 auto;
  padding: 9.5rem 1.75rem 3rem;
}
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); text-transform: uppercase; margin: 0.5rem 0 1rem; max-width: 18ch; }

/* =========================================================
   GALERÍA
   ========================================================= */
.grid-gallery {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.75rem 5rem;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 110px;
  grid-auto-flow: dense;
  gap: 0.6rem;
}
.grid-gallery--compact { padding: 0; margin: 0; }

.frame {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  grid-column: span 3;
}
.frame--alta   { grid-row: span 3; }
.frame--ancha  { grid-column: span 4; grid-row: span 2; }
.frame--cuadrada { grid-column: span 3; grid-row: span 2; }

.frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.frame:hover img { transform: scale(1.045); }

.frame figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.9rem 1rem 0.8rem;
  background: linear-gradient(180deg, transparent, rgba(21,20,15,0.86) 70%);
  color: var(--text-on-ink);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.frame:hover figcaption, .frame:focus-within figcaption { opacity: 1; transform: translateY(0); }
.cap-title { display: block; font-size: 0.92rem; font-weight: 500; margin-bottom: 0.2rem; }
.cap-exif { display: block; font-family: var(--font-mono); font-size: 0.68rem; color: #c9d9bb; letter-spacing: 0.02em; }

.frame.is-hidden { display: none; }

/* Filtros */
.filter-bar {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.75rem 2.5rem;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-mute);
  background: var(--surface);
}
.filter-btn:hover { border-color: var(--moss); color: var(--moss); }
.filter-btn.is-active { background: var(--moss); border-color: var(--moss); color: #ffffff; }
.filter-empty {
  text-align: center;
  padding: 3rem 1.75rem 6rem;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* =========================================================
   IDEAS — teaser en inicio
   ========================================================= */
.ideas-row {
  max-width: 1280px; margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.idea-card {
  display: block;
  background: var(--paper);
  border: 1px solid var(--line);
}
.idea-card img { aspect-ratio: 4/3; object-fit: cover; }
.idea-card-body { padding: 1.2rem 1.3rem 1.4rem; }
.idea-card-body h3 { font-size: 1.15rem; text-transform: uppercase; margin-bottom: 0.5rem; }
.idea-meta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-mute); }

/* =========================================================
   IDEAS — página completa
   ========================================================= */
.ideas-list {
  max-width: 1280px; margin: 0 auto;
  padding: 0 1.75rem 6rem;
  display: flex;
  flex-direction: column;
  gap: 5rem;
}
.idea-entry {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
  scroll-margin-top: 6rem;
}
.idea-entry--reverse { direction: rtl; }
.idea-entry--reverse > * { direction: ltr; }
.idea-entry-media img { aspect-ratio: 4/3; object-fit: cover; border: 1px solid var(--line); }
.idea-entry-num {
  font-size: 3.2rem;
  color: var(--moss-soft);
  -webkit-text-stroke: 1.5px var(--moss);
  color: transparent;
  line-height: 1;
  display: block;
  margin-bottom: 0.5rem;
}
.idea-entry-body h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); text-transform: uppercase; margin-bottom: 0.9rem; }
.idea-entry-body p { color: var(--text-mute); margin-bottom: 1.6rem; max-width: 48ch; }
.idea-specs {
  display: flex; gap: 2rem; flex-wrap: wrap;
  margin-bottom: 1.8rem;
}
.idea-specs dt { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-mute); text-transform: uppercase; }
.idea-specs dd { font-weight: 500; margin-top: 0.15rem; }

/* =========================================================
   CTA BAND
   ========================================================= */
.cta-band {
  background: var(--moss-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--text);
  padding: 5rem 1.75rem;
  text-align: center;
}
.cta-band h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  text-transform: uppercase;
  margin-bottom: 1.6rem;
}

/* =========================================================
   CONTACTO
   ========================================================= */
.contact-layout {
  max-width: 1280px; margin: 0 auto;
  padding: 0 1.75rem 6rem;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
}
.contact-block { margin-bottom: 2.2rem; }
.footer-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 0.6rem;
}
.contact-big { display: block; font-size: 1.25rem; margin-bottom: 0.3rem; }
.contact-big:hover { color: var(--moss); }
.contact-socials { display: flex; gap: 1rem; }
.contact-socials a:hover { color: var(--moss); }

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 2.2rem;
}
.form-row { display: flex; flex-direction: column; gap: 0.5rem; }
.form-row--full { grid-column: 1 / -1; }
.form-row label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-mute);
}
.form-row input, .form-row select, .form-row textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--text);
  border-radius: 2px;
}
.form-row textarea { resize: vertical; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--moss);
  box-shadow: 0 0 0 3px var(--moss-soft);
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--surface); color: var(--text-mute); padding: 4.5rem 1.75rem 2rem; border-top: 1px solid var(--line); }
.footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}
.footer-wordmark { display: block; margin-bottom: 0.9rem; color: var(--text); }
.footer-col p { font-size: 0.88rem; color: var(--text-mute); max-width: 30ch; }
.footer-col a { display: block; font-size: 0.9rem; margin-bottom: 0.5rem; color: var(--text); }
.footer-col a:hover { color: var(--moss); }
.footer-bottom {
  max-width: 1280px; margin: 0 auto;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
  padding-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-mute);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  .site-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.75rem 1rem;
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .nav-link { padding: 0.75rem 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: flex; }

  .intro-meta { gap: 2rem; }
  .grid-gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .frame, .frame--ancha, .frame--cuadrada, .frame--alta { grid-column: span 2; grid-row: span 2; }
  .ideas-row { grid-template-columns: 1fr; }
  .idea-entry, .idea-entry--reverse { grid-template-columns: 1fr; direction: ltr; gap: 1.5rem; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 540px) {
  .footer-inner { grid-template-columns: 1fr; }
  .hero-content { padding-bottom: 3.5rem; }
}

/* Foco visible accesible */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}