/* ============================================================
   THE OBSERVATORY — styles.css
   Tipografía como protagonista. Negro cálido, crema, verde.
   ============================================================ */

/* ---------- Tipografía Fornasetti (local) ---------- */
@font-face {
  font-family: "Fornasetti";
  src: url("assets/fonts/Fornasetti.woff2") format("woff2"),
       url("assets/fonts/Fornasetti.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Fornasetti Text";
  src: url("assets/fonts/Fornasetti-textRegular.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #F3EFE6;
  --cream: #F3EFE6;
  --black: #121210;
  --text: #121210;
  --accent: #B30E16;
  --moss: #B30E16;
  --line: rgba(18, 18, 16, 0.16);
  --curtain: #B30E16;
  --text-dim: rgba(18, 18, 16, 0.6);
  --font-display: "Fornasetti", "Bodoni Moda", "Didot", Georgia, serif;
  --font-text: "Fornasetti Text", "Bodoni Moda", Georgia, serif;
  --font-body: "Inter", -apple-system, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

em {
  font-style: normal;
  font-family: inherit;
}

.container {
  width: min(1120px, 100% - 3rem);
  margin-inline: auto;
}

.container-narrow { width: min(720px, 100% - 3rem); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Eyebrow ---------- */
.eyebrow {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
}

.eyebrow-center { text-align: center; }

.atelier .eyebrow {
  font-weight: 500;
  font-size: clamp(0.85rem, 1.4vw, 1rem);
  letter-spacing: 4px;
  color: var(--black);
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Defensa: si un elemento tuviera reveal + data-split, nunca queda invisible */
.reveal[data-split] {
  opacity: 1;
  transform: none;
}

/* Escalonado sutil dentro de grids */
.thesis-points .reveal:nth-child(2),
.method-grid .reveal:nth-child(2),
.services-grid .reveal:nth-child(2),
.papers-grid .reveal:nth-child(even) { transition-delay: 0.12s; }

.thesis-points .reveal:nth-child(3),
.method-grid .reveal:nth-child(3),
.services-grid .reveal:nth-child(3) { transition-delay: 0.24s; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s ease;
}

.nav.is-solid {
  border-bottom-color: var(--line);
}

.nav-inner {
  width: min(1120px, 100% - 3rem);
  margin-inline: auto;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.nav-logo-img {
  height: 30px;
  width: auto;
}

/* Sin src todavía: ocultar el hueco roto del <img> vacío */
.nav-logo-img:not([src]), .nav-logo-img[src=""] { display: none; }

.nav-wordmark {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(2.25rem, 4vw, 3.5rem);
}

.nav-links a {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-dim);
  transition: color 0.25s ease;
}

.nav-links a:hover { color: var(--text); }

.nav-links .nav-cta {
  color: var(--text);
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.nav-links .nav-cta:hover { border-color: var(--moss); }

@media (max-width: 720px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: calc(100vh - var(--nav-h));
  min-height: calc(100svh - var(--nav-h));
  margin-top: var(--nav-h);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
}

/* Banner de fondo a ancho completo con el texto encima */
.hero-banner {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0;
  transition: opacity 1.8s ease;
}

.hero-img.is-active { opacity: 1; }

@media (max-width: 700px) {
  .hero {
    min-height: 68vh;
    min-height: 68svh;
  }
  .hero-img { object-position: center 38%; }
}

/* Velo suave abajo, como el hero de Fornasetti */
.hero-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.55) 0%, rgba(10, 10, 10, 0) 42%);
}

/* Texto abajo a la izquierda, blanco, como TEMA E VARIAZIONI */
.hero-copy {
  position: relative;
  z-index: 1;
  padding-bottom: 3rem;
  color: #FFFFFF;
}

.hero-title {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 400;
  font-size: clamp(2.4rem, 5.2vw, 4.6rem);
  line-height: 1;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  text-wrap: balance;
  max-width: 18ch;
  color: #FFFFFF;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 22px rgba(0, 0, 0, 0.35);
}

.hero-tagline {
  margin-top: 1.25rem;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45), 0 2px 14px rgba(0, 0, 0, 0.35);
}

.hero-actions { margin-top: 1.75rem; }

/* Botón pequeño estilo "Discover all" */
.btn-hero {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: #FFFFFF;
  text-decoration: none;
  padding: 0.55rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 999px;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.btn-hero:hover {
  background: #FFFFFF;
  color: var(--black);
}

.btn-hero-dark {
  color: var(--black);
  border-color: var(--black);
}

.btn-hero-dark:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--cream);
}

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.9rem 2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--cream);
}

.btn-primary:hover { background: #D31820; }

.btn-red {
  background: var(--curtain);
  color: var(--cream);
}

.btn-red:hover { background: #D31820; }

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
}

.btn-ghost:hover { border-color: var(--moss); }

/* ---------- Huincha roja — "Lo que estamos leyendo ahora" ---------- */
.angles {
  background: var(--accent);
  overflow: hidden;
  padding-block: 1.6rem;
}

.angles-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.9rem;
}

.angles-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(243, 239, 230, 0.75);
  white-space: nowrap;
  flex-shrink: 0;
}

.angles-track {
  display: grid;
  align-items: center;
  justify-items: center;
  min-height: 3rem;
  width: 100%;
}

.angle {
  grid-area: 1 / 1;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: #FFFFFF;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.angle.is-active { opacity: 1; }

.btn-angle {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--cream);
  background: transparent;
  border: 1px solid rgba(243, 239, 230, 0.55);
  border-radius: 999px;
  padding: 0.55rem 1.4rem;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.btn-angle:hover {
  background: var(--cream);
  border-color: var(--cream);
  color: var(--accent);
}

/* ---------- Modal "Solicitar estudio" ---------- */
.study-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.study-modal[hidden] { display: none; }

.study-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 18, 16, 0.72);
}

.study-modal-dialog {
  position: relative;
  width: min(480px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: var(--cream);
  border-radius: 6px;
  padding: clamp(2rem, 5vw, 3rem);
}

.study-modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.2s ease;
}

.study-modal-close:hover { color: var(--accent); }

.study-modal-angle {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  line-height: 1.2;
  margin-bottom: 0.75rem;
  text-wrap: balance;
}

.study-modal-lead {
  color: var(--text-dim);
  margin-bottom: 2rem;
  font-size: 0.98rem;
}

.study-modal-body[hidden] { display: none; }

.study-modal-thanks { text-align: center; }
.study-modal-thanks .study-modal-angle { color: var(--accent); }

.study-thanks-icon {
  display: inline-flex;
  width: 56px;
  height: 56px;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

.study-thanks-icon svg { width: 100%; height: 100%; }

.study-modal-thanks .eyebrow { margin-bottom: 1.25rem; }

.study-modal-thanks .study-modal-lead {
  max-width: 34ch;
  margin-inline: auto;
  margin-bottom: 2.25rem;
}

.study-thanks-close { display: inline-block; }

/* ---------- Lámina negra (tesis) ---------- */
.slab {
  background: var(--black);
  color: var(--cream);
  text-align: center;
  padding-block: clamp(7rem, 14vw, 12rem);
}

.slab-quote {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.1rem, 6.2vw, 5.4rem);
  line-height: 1.08;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  max-width: none;
  margin: 0 auto;
  color: var(--cream);
  text-wrap: balance;
}

.slab .container { width: min(1400px, 100% - 3rem); }

.slab-note {
  font-family: var(--font-text);
  font-weight: 400;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.6;
  max-width: 62ch;
  margin: 3rem auto 0;
  color: rgba(243, 239, 230, 0.8);
}

/* ---------- Atelier (por qué no una consultora tradicional) ---------- */
.atelier { text-align: center; }

.atelier-carousel {
  position: relative;
  min-height: clamp(7rem, 17vw, 13rem);
  display: grid;
  align-items: center;
}

.atelier-title {
  grid-area: 1 / 1;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.1rem, 6vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: 0;
  text-transform: uppercase;
  text-wrap: balance;
  max-width: 16ch;
  margin: 0 auto;
  color: var(--accent);
  opacity: 0;
  transition: opacity 1.4s ease;
}

.atelier-title.is-active { opacity: 1; }

.atelier-icon {
  width: clamp(120px, 16vw, 170px);
  margin: 3rem auto 0;
  color: var(--black);
}

.atelier-icon svg { width: 100%; height: auto; }

.atelier-note {
  font-family: var(--font-text);
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  line-height: 1.6;
  max-width: 74ch;
  margin: 1.75rem auto 0;
  color: var(--text);
}

.atelier-cta { margin-top: 1.75rem; }

/* ---------- Ticker ---------- */
.ticker {
  position: relative;
  background: var(--bg);
  border-top: 1px solid var(--line);
  overflow: hidden;
  padding-block: 1.4rem;
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: tickerScroll 28s linear infinite;
}

.ticker-group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.ticker-group span {
  font-family: var(--font-display);
  font-weight: 350;
  font-size: 1.1rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.ticker-dot {
  color: var(--moss) !important;
  padding-inline: 2rem;
}

@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   SECCIONES
   ============================================================ */
.section {
  padding-block: clamp(6rem, 12vw, 10rem);
}

.section-lined {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.3;
  max-width: 32ch;
  margin-bottom: 4.5rem;
}

.section-title em { color: var(--moss); }

/* ---------- Tesis ---------- */
.thesis-statement {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 4.2vw, 3.2rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  max-width: 26ch;
  text-wrap: balance;
}

.thesis-statement em { color: var(--moss); }

.thesis-points {
  list-style: none;
  margin-top: 5rem;
  max-width: 680px;
}

.thesis-points li {
  padding-block: 1.75rem;
  border-top: 1px solid var(--line);
  font-size: 1.1rem;
  color: var(--text-dim);
}

.thesis-points li:last-child { border-bottom: 1px solid var(--line); }

.thesis-points em {
  color: var(--text);
  font-family: var(--font-display);
}

/* ---------- Versus (tesis) — editorial, sin caja ---------- */
.versus { margin-top: 8rem; }

.versus-intro {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin-bottom: 4rem;
}

.versus-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: clamp(2.5rem, 6vw, 6rem);
  border-top: 1px solid var(--line);
}

@media (max-width: 720px) {
  .versus-table { grid-template-columns: 1fr; }
}

.versus-col { padding-top: 2rem; }

.versus-head {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
}

.versus-col p:not(.versus-head) {
  font-family: var(--font-display);
  font-weight: 350;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.35;
  padding-block: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
}

.versus-col-obs .versus-head { color: var(--moss); }
.versus-col-obs p:not(.versus-head) { color: var(--text); }
.versus-col-obs em { color: var(--moss); }

@media (max-width: 720px) {
  .versus-col-obs { margin-top: 3rem; }
}

/* ---------- Método — palabras apiladas estilo Fornasetti ---------- */
#metodo {
  background: var(--accent);
}

#metodo .eyebrow { color: rgba(243, 239, 230, 0.8); }
#metodo .method-stack { border-top-color: rgba(243, 239, 230, 0.3); }
#metodo .method-item { border-bottom-color: rgba(243, 239, 230, 0.3); }
#metodo .method-word { color: var(--cream); }
#metodo .method-word:hover,
#metodo .method-item.is-open .method-word { color: var(--black); }
#metodo .method-panel p { color: rgba(243, 239, 230, 0.9); }
#metodo .method-coda { color: rgba(243, 239, 230, 0.85); }

.method-stack { border-top: 1px solid var(--line); }

.method-item { border-bottom: 1px solid var(--line); }

.method-word {
  display: block;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.4rem, 7vw, 5.8rem);
  line-height: 1.1;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  text-align: center;
  color: var(--text);
  padding-block: clamp(1.5rem, 3vw, 2.5rem);
  transition: color 0.35s ease;
}

.method-word:hover,
.method-item.is-open .method-word { color: var(--accent); }

.method-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s var(--ease-out);
}

.method-item.is-open .method-panel { max-height: 16rem; }

.method-panel p {
  font-family: var(--font-text);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  line-height: 1.6;
  max-width: 58ch;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  text-align: center;
  color: var(--text-dim);
}

/* Micro-demostración: Señal → Tensión → Implicancia */
.demo-kicker {
  font-family: var(--font-body) !important;
  font-weight: 500;
  font-size: 0.7rem !important;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding-bottom: 0.75rem !important;
}

.demo-line {
  font-size: clamp(1.15rem, 2.2vw, 1.6rem) !important;
  line-height: 1.4 !important;
  max-width: 46ch !important;
  padding-bottom: 1.25rem !important;
}

.demo-desc {
  font-size: clamp(0.85rem, 1.3vw, 0.95rem) !important;
  opacity: 0.75;
}

#metodo .demo-kicker { color: var(--black); }
#metodo .demo-line { color: var(--cream); }
#metodo .method-item.is-open .method-panel { max-height: 24rem; }

.method-coda {
  margin-top: 4rem;
  font-family: var(--font-text);
  font-size: clamp(1.05rem, 2vw, 1.55rem);
  line-height: 1.4;
  white-space: nowrap;
  color: var(--text-dim);
  text-align: center;
  max-width: none;
  margin-inline: auto;
}

@media (max-width: 900px) {
  .method-coda { white-space: normal; }
}

/* ---------- Lo que estamos mirando — titulares Fornasetti ---------- */
.tensions {
  margin-top: 1rem;
  border-top: 1px solid var(--line);
}

.tension {
  border-bottom: 1px solid var(--line);
  padding: clamp(2rem, 4vw, 3.2rem) 1.5rem;
  text-align: center;
  cursor: default;
  transition: background 0.4s ease;
}

.tension-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 5.5vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-wrap: balance;
  transition: color 0.35s ease;
}

.tension-desc {
  max-width: 56ch;
  margin: 0 auto;
  color: var(--text-dim);
  font-size: 1rem;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease-out), opacity 0.5s ease, margin-top 0.5s var(--ease-out);
}

.tension:hover .tension-title { color: var(--moss); }

.tension:hover .tension-desc {
  max-height: 8rem;
  opacity: 1;
  margin-top: 1.25rem;
}

/* En pantallas táctiles la descripción queda siempre visible */
@media (hover: none) {
  .tension-desc { max-height: none; opacity: 1; margin-top: 1rem; }
}

/* ---------- Fuentes ---------- */
.section-sources { padding-block: clamp(4rem, 8vw, 6.5rem) clamp(3rem, 6vw, 4.5rem); }

.sources {
  text-align: center;
}

.sources-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 4.2vw, 3.4rem);
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-bottom: 1.75rem;
}

.sources-line {
  font-family: var(--font-text);
  font-weight: 400;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.45;
  max-width: 52ch;
  margin: 0 auto 3.5rem;
  text-wrap: balance;
}

.sources-line em { color: var(--moss); }

/* Carrusel continuo de cabeceras */
.sources-logos {
  overflow: hidden;
  padding-block: 2.5rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.logos-track {
  display: flex;
  width: max-content;
  animation: tickerScroll 40s linear infinite;
}

.logos-group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: clamp(3rem, 6vw, 5.5rem);
  padding-right: clamp(3rem, 6vw, 5.5rem);
}

/* Caja idéntica para todos: mismo ancho y alto exactos, logo contenido y centrado */
.media-logo {
  width: clamp(120px, 14vw, 160px);
  height: clamp(34px, 4vw, 46px);
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: grayscale(1);
  opacity: 0.92;
  transition: opacity 0.3s ease, filter 0.3s ease;
}

.media-logo:hover { opacity: 1; }



/* The Economist trae su propia caja: sin multiply para que el texto blanco viva */
.logo-box {
  mix-blend-mode: normal;
  filter: grayscale(1) brightness(0.25);
}

.sources-note {
  margin-top: 2.25rem;
  font-size: clamp(0.85rem, 1.3vw, 1rem);
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text);
}

/* ---------- Papers ---------- */
.papers-intro {
  font-family: var(--font-text);
  font-weight: 400;
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  line-height: 1.55;
  max-width: 72ch;
  margin-bottom: 4rem;
  color: var(--text);
}

.papers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 820px) {
  .papers-grid { grid-template-columns: 1fr; }
}

.paper-card {
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.35s ease,
              opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.paper-card:hover { border-color: var(--accent); }

.paper-cover-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(120% 100% at 15% 0%, rgba(179, 14, 22, 0.28), transparent 60%),
    rgba(242, 235, 218, 0.03);
  border-bottom: 1px solid var(--line);
}

.paper-tag {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  z-index: 1;
  background: var(--accent);
  color: var(--cream);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
}

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

.paper-cover:not([src]), .paper-cover[src=""] { display: none; }

.paper-body { padding: 2rem; }

.paper-meta {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 1.1rem;
}

.paper-title {
  font-family: var(--font-display);
  font-weight: 450;
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 0.9rem;
  text-wrap: balance;
}

.paper-desc {
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 1.75rem;
}

.paper-link {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--moss);
  text-decoration: none;
}

a.paper-link:hover { color: var(--text); }

.paper-soon {
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.72rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
}

.paper-arrow {
  display: inline-block;
  transition: transform 0.3s var(--ease-out);
}

.paper-card:hover .paper-arrow { transform: translateX(4px); }

/* ---------- Servicios ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

@media (max-width: 860px) {
  .services-grid { grid-template-columns: 1fr; gap: 3rem; }
}

.useful-list {
  list-style: none;
  margin-bottom: 4.5rem;
  max-width: 640px;
  display: grid;
  gap: 1rem;
}

.useful-list li {
  color: var(--text-dim);
  font-size: 1.05rem;
}

.useful-arrow { color: var(--curtain); margin-right: 0.5rem; }

/* Servicios como acordeón Fornasetti — caja negra */
#servicios {
  background: var(--black);
  border: none;
}

#servicios .eyebrow { color: rgba(243, 239, 230, 0.7); }
#servicios .method-stack { border-top-color: rgba(243, 239, 230, 0.25); }
#servicios .method-item { border-bottom-color: rgba(243, 239, 230, 0.25); }
#servicios .method-word { color: var(--cream); }
#servicios .method-word:hover,
#servicios .method-item.is-open .method-word { color: var(--accent); }
#servicios .service-tag { color: rgba(243, 239, 230, 0.6); }
#servicios .method-item.is-open .service-tag,
#servicios .method-word:hover .service-tag { color: inherit; }
#servicios .demo-desc { color: rgba(243, 239, 230, 0.85); opacity: 1; }
#servicios .demo-line {
  color: var(--cream);
  max-width: 74ch !important;
}
#servicios .method-item.is-open .method-panel { max-height: 28rem; }
#servicios { padding-bottom: clamp(2.5rem, 5vw, 4rem); }
#contacto { padding-top: clamp(4rem, 8vw, 6rem); }

.service-tag {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.68rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.method-item.is-open .service-tag,
.method-word:hover .service-tag { color: inherit; }

.services-stack .method-panel { transition: max-height 0.6s var(--ease-out); }
.services-stack .method-item.is-open .method-panel { max-height: 22rem; }

.panel-cta {
  text-align: center;
  padding-bottom: 3rem;
}

.btn-contract {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--cream);
  background: var(--accent);
  padding: 0.75rem 1.9rem;
  border-radius: 999px;
  transition: background 0.3s ease, color 0.3s ease;
}

.btn-contract:hover {
  background: var(--black);
  color: var(--cream);
}

/* Servicios en renglones tope a tope */
.services-rows { border-top: 1px solid var(--line); }

.service-row {
  display: grid;
  grid-template-columns: minmax(200px, 0.8fr) 2fr auto;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding-block: clamp(2.5rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}

@media (max-width: 860px) {
  .service-row { grid-template-columns: 1fr; gap: 1.25rem; }
}

.service-desc {
  color: var(--text-dim);
  max-width: 58ch;
}

.service-desc strong {
  font-weight: 500;
  color: var(--text);
}

.btn-service {
  font-size: 0.88rem;
  padding: 0.75rem 1.6rem;
  white-space: nowrap;
  justify-self: end;
}

@media (max-width: 860px) {
  .btn-service { justify-self: start; }
}

.btn-service:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text);
}

.service-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  letter-spacing: -0.01em;
}

/* ---------- Contacto (bloque rojo) ---------- */
#contacto {
  background: var(--accent);
  color: var(--cream);
}

#contacto .eyebrow { color: rgba(243, 239, 230, 0.8); }
#contacto .contact-title,
#contacto .contact-title em { color: var(--cream); }
#contacto .contact-lead { color: rgba(243, 239, 230, 0.85); }
#contacto .contact-email a { color: var(--cream); border-bottom-color: rgba(243, 239, 230, 0.5); }
#contacto .form-field label { color: rgba(243, 239, 230, 0.8); }
#contacto .form-field input,
#contacto .form-field textarea {
  color: var(--cream);
  border-bottom-color: rgba(243, 239, 230, 0.45);
}
#contacto .form-field input:focus,
#contacto .form-field textarea:focus { border-bottom-color: var(--cream); }
#contacto .btn-submit {
  background: var(--cream);
  color: var(--accent);
}
#contacto .btn-submit:hover { background: var(--black); color: var(--cream); }
#contacto .btn-submit.is-sent { background: transparent; border: 1px solid var(--cream); color: var(--cream); }


.contact-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin-bottom: 1.75rem;
}

.contact-title em { color: var(--moss); }

.contact-lead {
  color: var(--text-dim);
  max-width: 44ch;
  margin-bottom: 1.25rem;
}

.contact-email { margin-bottom: 4rem; }

.contact-email a {
  font-family: var(--font-text);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}

.contact-email a:hover { border-bottom-color: var(--moss); }

/* ---------- Formulario ---------- */
.contact-form { display: grid; gap: 1.75rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-field { display: grid; gap: 0.6rem; }

.form-field label {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.form-field input,
.form-field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 0.7rem 0.1rem;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.05rem;
  color: var(--text);
  border-radius: 0;
  transition: border-color 0.3s ease;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-bottom-color: var(--moss);
}

.form-field input.is-invalid,
.form-field textarea.is-invalid {
  border-bottom-color: #b0563e;
}

.btn-submit {
  justify-self: start;
  margin-top: 0.75rem;
  min-width: 11rem;
  text-align: center;
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: default;
}

.btn-submit.is-sent {
  background: transparent;
  border-color: var(--moss);
  color: var(--moss);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding-block: 5.5rem 1.25rem;
  text-align: center;
  overflow: hidden;
}

.footer-line {
  font-family: var(--font-text);
  font-size: clamp(1.1rem, 1.9vw, 1.4rem);
  color: var(--text);
  margin-bottom: 4rem;
}

/* Wordmark monumental a lo ancho, sin bajada */
.footer-logo {
  display: block;
  width: min(96vw, 1560px);
  height: auto;
  margin: 0 auto 1.75rem;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-links a {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  transition: color 0.25s ease;
}

.footer-links a:hover { color: var(--accent); }

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text);
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--cream);
  transform: translateY(-2px);
}

.footer-social svg { width: 17px; height: 17px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.footer-meta {
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ---------- Reduced motion: solo lo intrusivo ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation-duration: 56s; }
}