/* ─────────────────────────────────────────────
   Genre Translanguaging · Yuly Andrea González
   styles.css  — v4 · Limpio y humano
   ───────────────────────────────────────────── */

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

/* ─── TOKENS ─── */
:root {
  /* Paleta: más luz, verde fresco, magenta cálido */
  --cream: #fafaf8;
  --cream-dark: #f2f0eb;
  --ink: #1e1e1e;
  --ink-mid: #555550;
  --ink-soft: #8a8880;
  --green: #2e6b4f;
  --green-light: #e6f2ec;
  --green-mid: #3d8a64;
  --green-pale: #f0f7f3;
  --magenta: #c4315f;
  --magenta-light: #fce8ef;
  --gold: #d4a030;
  --gold-light: #fdf5e4;
  --white: #ffffff;
  --border: rgba(0,0,0,0.07);
  --border-strong: rgba(0,0,0,0.13);

  /* Tipografía: display más expresivo, body más legible */
  --ff-display: 'Cormorant Garamond', Georgia, serif;
  --ff-body: 'Outfit', sans-serif;
  --ff-mono: 'Space Mono', monospace;

  /* Bordes redondeados consistentes */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-body);
  background: var(--white);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 4rem;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-brand {
  display: flex; align-items: center; gap: 0.6rem;
}
.nav-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--magenta);
}
.nav-name {
  font-family: var(--ff-body);
  font-size: 0.95rem; font-weight: 600;
  color: var(--ink); text-decoration: none;
  letter-spacing: -0.01em;
}
.nav-links {
  display: flex; gap: 2rem; list-style: none;
}
.nav-links a {
  font-size: 0.82rem; font-weight: 500;
  color: var(--ink-mid); text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--magenta); }
.nav-cta {
  background: var(--magenta); color: white;
  padding: 0.5rem 1.25rem; border-radius: var(--radius-pill);
  font-size: 0.82rem; font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(196,49,95,0.25);
}
.nav-cta:hover {
  background: var(--green);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(46,107,79,0.3);
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  padding-top: 68px;
  position: relative;
  overflow: hidden;
}
.hero-left {
  padding: 5rem 3rem 5rem 4rem;
  display: flex; flex-direction: column; justify-content: center;
  position: relative; z-index: 2;
  background: var(--white);
}
.hero-right {
  background: var(--green);
  position: relative; overflow: hidden;
  display: flex; align-items: flex-end;
}
.hero-right::before {
  content: 'GT';
  position: absolute; top: -0.1em; right: -0.05em;
  font-family: var(--ff-display);
  font-size: 20rem; font-weight: 700; line-height: 1;
  color: rgba(255,255,255,0.06);
  pointer-events: none; user-select: none;
}
.hero-right-content {
  position: relative; z-index: 2;
  padding: 3rem;
  width: 100%;
}
.hero-quote {
  font-family: var(--ff-display);
  font-size: 1.7rem; font-style: italic; line-height: 1.45;
  color: rgba(255,255,255,0.95);
  margin-bottom: 1.25rem;
  border-left: 4px solid var(--gold);
  padding-left: 1.25rem;
}
.hero-attribution {
  font-size: 0.78rem; font-weight: 500;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
}

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--ff-body);
  font-size: 0.78rem; color: var(--magenta); font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--magenta-light);
  padding: 0.3rem 0.85rem; border-radius: var(--radius-pill);
  margin-bottom: 1.75rem;
  width: fit-content;
}
.hero-eyebrow-line { display: none; }

h1.hero-title {
  font-family: var(--ff-display);
  font-size: clamp(3rem, 5.5vw, 5rem);
  line-height: 1.05; letter-spacing: -0.02em;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--ink);
}
h1.hero-title em {
  font-style: italic; color: var(--magenta);
}
h1.hero-title span.accent {
  color: var(--green);
}

.hero-desc {
  font-size: 1.05rem; line-height: 1.8;
  color: var(--ink-mid);
  max-width: 500px; margin-bottom: 2.5rem;
}
.hero-actions {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.btn-primary {
  background: var(--magenta); color: white;
  padding: 0.8rem 1.75rem; border-radius: var(--radius-pill);
  font-size: 0.88rem; font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 2px 10px rgba(196,49,95,0.28);
}
.btn-primary:hover {
  background: var(--green);
  transform: translateY(-2px);
  box-shadow: 0 5px 18px rgba(46,107,79,0.3);
}
.btn-secondary {
  color: var(--ink-mid); font-size: 0.88rem; font-weight: 500;
  text-decoration: none;
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-pill);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.btn-secondary:hover {
  color: var(--magenta);
  border-color: var(--magenta);
  background: var(--magenta-light);
}

.hero-rule {
  display: flex; align-items: center; gap: 1rem;
  margin-top: 3rem; padding-top: 2.5rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.hero-rule-label {
  font-size: 0.72rem; color: var(--ink-soft); font-weight: 500;
  white-space: nowrap;
}
.hero-logos {
  display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap;
}
.hero-logo-pill {
  background: var(--cream-dark);
  border: 1px solid var(--border);
  padding: 0.3rem 0.8rem; border-radius: var(--radius-pill);
  font-size: 0.72rem; font-weight: 500; color: var(--ink-mid);
}

/* ─── METRICS BAND ─── */
.metrics {
  background: var(--green);
  padding: 3rem 4rem;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.metric {
  text-align: center;
  padding: 1.75rem 1rem;
  border-right: 1px solid rgba(255,255,255,0.12);
}
.metric:last-child { border-right: none; }
.metric-num {
  font-family: var(--ff-display);
  font-size: 3.2rem; font-weight: 700; line-height: 1;
  color: white; margin-bottom: 0.5rem;
}
.metric-num sup {
  font-size: 1.6rem; vertical-align: super;
}
.metric-label {
  font-size: 0.8rem; color: rgba(255,255,255,0.65);
  line-height: 1.45;
}

/* ─── SECTION BASE ─── */
.section-label {
  font-family: var(--ff-body);
  font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--magenta); font-weight: 600;
  display: flex; align-items: center; gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.section-label::before {
  content: '';
  display: inline-block; width: 18px; height: 2px;
  background: var(--magenta); border-radius: 2px;
}
h2 {
  font-family: var(--ff-display);
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  line-height: 1.1; letter-spacing: -0.02em; font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--ink);
}
h2 em { font-style: italic; color: var(--green); }
h2 .mg { color: var(--magenta); }

/* ─── SOBRE YULY ─── */
#sobre {
  padding: 7rem 4rem;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
  background: var(--white);
}
.sobre-visual {
  position: relative;
}
.sobre-card {
  background: var(--green);
  border-radius: var(--radius-lg);
  aspect-ratio: 3/4;
  display: flex; flex-direction: column;
  align-items: center; justify-content: flex-end;
  overflow: hidden; position: relative;
  box-shadow: 0 20px 60px rgba(46,107,79,0.2);
}
.sobre-card img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
}
.sobre-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(0,0,0,0.6) 100%);
  z-index: 1;
}
.sobre-tag {
  position: relative; z-index: 2;
  width: 100%; padding: 1.5rem 2rem;
  background: var(--magenta);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.sobre-tag-name {
  font-family: var(--ff-display); font-size: 1.4rem; color: white;
  font-weight: 600; margin-bottom: 0.2rem;
}
.sobre-tag-role {
  font-size: 0.72rem; color: rgba(255,255,255,0.65);
  letter-spacing: 0.04em;
}
.sobre-offset {
  position: absolute; top: 1.5rem; left: 1.5rem; right: -1.5rem; bottom: -1.5rem;
  border: 2px solid var(--green-light); border-radius: var(--radius-lg); z-index: -1;
}

.sobre-content p {
  color: var(--ink-mid); font-size: 1rem; line-height: 1.85;
  margin-bottom: 1rem;
}
.sobre-content p strong { color: var(--ink); font-weight: 600; }
.collab-box {
  margin-top: 2rem; padding: 1.25rem 1.5rem;
  background: var(--green-pale);
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.collab-box-label {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--green-mid); margin-bottom: 0.4rem;
}
.collab-box p {
  font-size: 0.88rem !important; color: var(--ink-mid) !important; margin: 0 !important;
  line-height: 1.7 !important;
}
.collab-box a {
  color: var(--green); font-weight: 600; text-decoration: none;
  border-bottom: 1px solid var(--green-mid);
}
.sobre-tags {
  display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1.5rem;
}
.tag {
  padding: 0.3rem 0.85rem; border-radius: var(--radius-pill);
  font-size: 0.75rem; font-weight: 500;
  background: var(--cream-dark); color: var(--ink-mid);
  border: 1px solid var(--border);
}

/* ─── VIDEO FEATURE ─── */
.video-feature {
  padding: 6rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.video-feature--light {
  background: var(--green-pale);
}
.video-feature--inset {
  padding: 3.5rem 0 0;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
}
.video-feature-text .section-label { margin-bottom: 0.75rem; }
.video-feature-text h2 { margin-bottom: 1rem; }
.video-feature-text p {
  font-size: 1rem; color: var(--ink-mid); line-height: 1.85;
}
.video-wrapper {
  display: flex; flex-direction: column; gap: 0.75rem;
}
.video-label {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--magenta);
}
.video-feature--inset .video-label { color: var(--green); }
.video-embed {
  position: relative; width: 100%; padding-bottom: 56.25%; height: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  background: var(--ink);
}
.video-embed iframe {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; border: 0;
}
.video-caption-title {
  font-family: var(--ff-display);
  font-size: 1.35rem; font-weight: 600;
  color: var(--ink); margin-bottom: 0.5rem; line-height: 1.3;
}
.video-caption-body {
  font-size: 0.92rem; color: var(--ink-mid); line-height: 1.75;
}

/* ─── METODOLOGÍA: CBS ─── */
#metodo {
  padding: 7rem 4rem;
  background: var(--cream-dark);
}
.metodo-intro {
  max-width: 680px; margin-bottom: 4rem;
}
.metodo-intro p {
  font-size: 1.05rem; color: var(--ink-mid); line-height: 1.85;
}
.cbs-diagram {
  display: grid;
  grid-template-columns: 1fr 72px 1fr;
  gap: 0; align-items: stretch;
  margin-bottom: 3rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.cbs-col { padding: 2.5rem 2rem; }
.cbs-col-label {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 1.5rem; padding-bottom: 1rem;
  border-bottom: 1.5px solid var(--border);
}
.cbs-col-label.esp { color: var(--magenta); border-color: var(--magenta-light); }
.cbs-col-label.eng { color: var(--green); border-color: var(--green-light); }

.cbs-divider {
  background: var(--cream-dark);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1rem;
  border-left: 1.5px solid var(--border);
  border-right: 1.5px solid var(--border);
}
.cbs-arrow { font-size: 1.1rem; color: var(--ink-soft); }

.cbs-step {
  display: flex; gap: 1rem; margin-bottom: 1.25rem; align-items: flex-start;
}
.cbs-step:last-child { margin-bottom: 0; }
.cbs-num {
  width: 30px; height: 30px; flex-shrink: 0;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-weight: 700; margin-top: 2px;
}
.cbs-num.mg { background: var(--magenta); color: white; }
.cbs-num.gr { background: var(--green); color: white; }
.cbs-step-text h4 {
  font-weight: 600; font-size: 0.9rem; margin-bottom: 0.25rem; color: var(--ink);
}
.cbs-step-text p {
  font-size: 0.82rem; color: var(--ink-soft); line-height: 1.65;
}

/* Info boxes CBS */
.metodo-info-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-top: 2rem;
}
.metodo-info-box {
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius-md);
}
.metodo-info-box.green {
  background: var(--green-pale);
  border: 1.5px solid var(--green-light);
}
.metodo-info-box.magenta {
  background: var(--magenta-light);
  border: 1.5px solid #f0c8d8;
}
.metodo-info-label {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.metodo-info-box.green .metodo-info-label { color: var(--green-mid); }
.metodo-info-box.magenta .metodo-info-label { color: var(--magenta); }
.metodo-info-box p { font-size: 0.88rem; color: var(--ink-mid); line-height: 1.7; }

/* ─── PATRONES DISCURSIVOS ─── */
#patrones {
  padding: 7rem 4rem;
  background: var(--ink);
  color: white;
}
#patrones .section-label { color: var(--gold); }
#patrones .section-label::before { background: var(--gold); }
#patrones h2 { color: white; }
#patrones h2 em { color: var(--gold); }
.patrones-intro { max-width: 640px; margin-bottom: 3.5rem; }
.patrones-intro p { color: rgba(255,255,255,0.65); font-size: 1rem; line-height: 1.85; }

.patrones-familia-label {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.75rem;
}

.patrones-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 2rem;
}
.patron-item {
  background: #242420;
  padding: 1.1rem 1.4rem;
  display: flex; align-items: flex-start; gap: 0.75rem;
  transition: background 0.2s;
  cursor: default;
}
.patron-item:hover { background: rgba(212,160,48,0.1); }
.patron-num {
  font-family: var(--ff-mono);
  font-size: 0.62rem; color: var(--gold);
  padding-top: 0.15rem; flex-shrink: 0; opacity: 0.75;
}
.patron-name {
  font-size: 0.84rem; color: rgba(255,255,255,0.8); line-height: 1.45;
}

.patrones-callout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2rem;
}
.callout-box {
  padding: 2rem; border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
}
.callout-box h3 {
  font-family: var(--ff-display);
  font-size: 1.3rem; color: white; margin-bottom: 0.75rem; font-weight: 600;
}
.callout-box p {
  font-size: 0.88rem; color: rgba(255,255,255,0.55); line-height: 1.7;
}
.callout-box.highlight {
  background: rgba(212,160,48,0.07);
  border-color: rgba(212,160,48,0.3);
}

/* ─── IMPACTO ─── */
#impacto {
  padding: 7rem 4rem;
  background: var(--white);
}
.impacto-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3.5rem; margin-top: 3rem; align-items: start;
}
.impacto-text p {
  font-size: 1rem; color: var(--ink-mid); line-height: 1.85; margin-bottom: 1rem;
}
.resultado-list {
  display: flex; flex-direction: column; gap: 1rem;
}
.resultado-item {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.25rem 1.5rem;
  background: var(--green-pale);
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: transform 0.2s, box-shadow 0.2s;
}
.resultado-item:hover {
  transform: translateX(3px);
  box-shadow: 0 4px 16px rgba(46,107,79,0.1);
}
.resultado-icon {
  font-size: 1.3rem; flex-shrink: 0; margin-top: 1px;
}
.resultado-item h4 {
  font-weight: 600; font-size: 0.92rem; margin-bottom: 0.25rem; color: var(--ink);
}
.resultado-item p {
  font-size: 0.82rem; color: var(--ink-soft); line-height: 1.65; margin: 0;
}

/* ─── PUBLICACIONES ─── */
#publicaciones {
  padding: 7rem 4rem;
  background: var(--cream-dark);
}
.pub-intro { max-width: 600px; margin-bottom: 3rem; }
.pub-intro p { color: var(--ink-mid); font-size: 1rem; line-height: 1.85; }
.pub-list {
  display: flex; flex-direction: column;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  max-width: 860px;
  background: var(--white);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.pub-item {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  display: grid; grid-template-columns: 72px 1fr;
  gap: 1.5rem; align-items: start;
  transition: background 0.2s;
}
.pub-item:last-child { border-bottom: none; }
.pub-item:hover { background: var(--cream-dark); }
.pub-year {
  font-family: var(--ff-mono);
  font-size: 0.78rem; color: var(--magenta); font-weight: 600;
  padding-top: 0.1rem;
}
.pub-title {
  font-family: var(--ff-display);
  font-size: 1.05rem; font-weight: 600; color: var(--ink);
  line-height: 1.35; margin-bottom: 0.3rem;
}
.pub-meta {
  font-size: 0.8rem; color: var(--ink-soft); margin-bottom: 0.5rem; line-height: 1.5;
}
.pub-links { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.pub-link {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.03em;
  color: var(--green); text-decoration: none;
  background: var(--green-pale);
  padding: 0.2rem 0.7rem; border-radius: var(--radius-pill);
  border: 1px solid var(--green-light);
  transition: background 0.2s, color 0.2s;
}
.pub-link:hover { background: var(--green); color: white; }
.pub-link.mg {
  color: var(--magenta); background: var(--magenta-light); border-color: #f0c8d8;
}
.pub-link.mg:hover { background: var(--magenta); color: white; }

.pub-repos {
  margin-top: 2rem; display: flex; gap: 0.75rem; flex-wrap: wrap;
}
.repo-btn {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-pill);
  font-size: 0.8rem; font-weight: 500; color: var(--ink-mid);
  text-decoration: none; background: var(--white);
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}
.repo-btn:hover {
  background: var(--ink); color: white; border-color: var(--ink);
  transform: translateY(-1px);
}
.repo-icon { font-size: 0.95rem; }

/* ─── CONTACTO ─── */
#contacto {
  padding: 7rem 4rem;
  background: var(--ink);
  color: white;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: start;
}
#contacto .section-label { color: rgba(255,255,255,0.4); }
#contacto .section-label::before { background: rgba(255,255,255,0.35); }
#contacto h2 { color: white; }
#contacto h2 em { color: var(--gold); }
.contact-text p {
  color: rgba(255,255,255,0.6); font-size: 0.98rem; line-height: 1.85; margin-bottom: 1rem;
}
.contact-details { margin-top: 2rem; display: flex; flex-direction: column; gap: 0.75rem; }
.contact-detail {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.85rem 1.1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
}
.contact-detail-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
}
.contact-detail-text { font-size: 0.88rem; color: rgba(255,255,255,0.65); }
.contact-detail-text a {
  color: var(--gold); text-decoration: none;
  border-bottom: 1px solid rgba(212,160,48,0.35);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
label {
  display: block;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: rgba(255,255,255,0.4); margin-bottom: 0.4rem;
}
input, textarea, select {
  width: 100%; padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.1);
  color: white; font-family: var(--ff-body); font-size: 0.92rem;
  outline: none; border-radius: var(--radius-sm);
  transition: border-color 0.2s, background 0.2s;
}
input:focus, textarea:focus {
  border-color: var(--gold);
  background: rgba(255,255,255,0.09);
}
textarea { resize: vertical; min-height: 120px; }
input::placeholder, textarea::placeholder { color: rgba(255,255,255,0.2); }
.form-submit {
  background: var(--gold); color: var(--ink);
  border: none; padding: 0.9rem 2rem;
  font-family: var(--ff-body); font-size: 0.86rem; font-weight: 700;
  cursor: pointer;
  border-radius: var(--radius-pill);
  width: 100%;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 2px 10px rgba(212,160,48,0.3);
}
.form-submit:hover {
  background: white;
  transform: translateY(-1px);
  box-shadow: 0 5px 18px rgba(0,0,0,0.2);
}
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Estado del formulario */
.form-status {
  margin-top: 0.75rem; padding: 0.75rem 1rem;
  font-size: 0.85rem; line-height: 1.5;
  border-radius: var(--radius-sm);
}
.form-status--success {
  background: rgba(46,107,79,0.18); border: 1px solid var(--green); color: #a0dab8;
}
.form-status--error {
  background: rgba(196,49,95,0.18); border: 1px solid var(--magenta); color: #f5a0bc;
}

/* ─── FOOTER ─── */
footer {
  background: #111110; color: rgba(255,255,255,0.28);
  padding: 2rem 4rem;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.78rem;
}
.footer-brand {
  font-family: var(--ff-body); font-weight: 600;
  color: rgba(255,255,255,0.5); font-size: 0.88rem;
}
footer a { color: rgba(255,255,255,0.28); text-decoration: none; transition: color 0.2s; }
footer a:hover { color: var(--gold); }

/* ─── RESPONSIVE ─── */

/* Tablet (≤ 1024px) */
@media (max-width: 1024px) {
  nav { padding: 0.9rem 2rem; }

  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-left { padding: 5rem 2rem 3rem; }
  .hero-right { min-height: 300px; }
  .hero-right-content { padding: 2.5rem; }
  .hero-quote { font-size: 1.45rem; }

  .metrics { grid-template-columns: repeat(2, 1fr); padding: 2.5rem 2rem; }
  .metric { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); }
  .metric:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.12); }
  .metric:nth-last-child(-n+2) { border-bottom: none; }

  #sobre { grid-template-columns: 1fr; gap: 3rem; padding: 5rem 2rem; }
  .sobre-visual { max-width: 380px; margin: 0 auto; }

  #metodo { padding: 5rem 2rem; }
  .cbs-diagram { grid-template-columns: 1fr; }
  .cbs-divider {
    flex-direction: row; padding: 1rem; min-height: auto;
    border-left: none;
    border-top: 1.5px solid var(--border);
    border-bottom: 1.5px solid var(--border);
  }

  #patrones { padding: 5rem 2rem; }
  .patrones-callout { grid-template-columns: 1fr; }

  #impacto { padding: 5rem 2rem; }
  .impacto-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  #publicaciones { padding: 5rem 2rem; }
  .pub-item { grid-template-columns: 60px 1fr; gap: 1rem; }

  #contacto { grid-template-columns: 1fr; gap: 3rem; padding: 5rem 2rem; }

  footer { flex-direction: column; gap: 0.5rem; text-align: center; padding: 2rem; }

  .video-feature { grid-template-columns: 1fr; padding: 5rem 2rem; gap: 2.5rem; }
  .video-feature--inset { padding: 2.5rem 0 0; grid-template-columns: 1fr; }
}

/* Mobile (≤ 640px) */
@media (max-width: 640px) {
  nav { padding: 0.8rem 1.25rem; }
  .nav-links { display: none; }
  .nav-cta { padding: 0.45rem 1rem; font-size: 0.78rem; }

  .hero-left { padding: 4.5rem 1.25rem 2.5rem; }
  h1.hero-title { font-size: clamp(2.2rem, 9vw, 3rem); }
  .hero-desc { font-size: 0.95rem; }
  .hero-right { min-height: 240px; }
  .hero-right-content { padding: 1.5rem 1.25rem; }
  .hero-quote { font-size: 1.2rem; }
  .hero-rule { flex-direction: column; align-items: flex-start; gap: 0.75rem; margin-top: 2rem; padding-top: 2rem; }
  .hero-logos { gap: 0.4rem; }
  .hero-logo-pill { font-size: 0.68rem; padding: 0.28rem 0.7rem; }

  .metrics { grid-template-columns: 1fr 1fr; padding: 2rem 1.25rem; }
  .metric { padding: 1.25rem 0.75rem; }
  .metric-num { font-size: 2.4rem; }
  .metric:nth-child(1), .metric:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,0.12); }

  #sobre { padding: 4rem 1.25rem; gap: 2.5rem; }
  .sobre-visual { max-width: 100%; }
  .sobre-offset { display: none; }
  .sobre-tag-name { font-size: 1.15rem; }
  .collab-box { padding: 1.1rem 1.25rem; }

  h2 { font-size: clamp(1.9rem, 7vw, 2.4rem); }
  .section-label { font-size: 0.65rem; }

  #metodo { padding: 4rem 1.25rem; }
  .metodo-intro p { font-size: 0.95rem; }
  .metodo-info-grid { grid-template-columns: 1fr; }
  .cbs-diagram { border: none; background: transparent; gap: 0.75rem; box-shadow: none; }
  .cbs-col { padding: 1.5rem 1.25rem; border: 1.5px solid var(--border); background: var(--white); border-radius: var(--radius-md); }
  .cbs-divider { display: none; }
  .cbs-step { gap: 0.75rem; margin-bottom: 1rem; }
  .cbs-num { width: 26px; height: 26px; font-size: 0.68rem; }

  #patrones { padding: 4rem 1.25rem; }
  .patrones-grid { grid-template-columns: 1fr 1fr; }
  .patron-item { padding: 0.85rem 1rem; }
  .patron-name { font-size: 0.78rem; }
  .callout-box { padding: 1.5rem; }
  .callout-box h3 { font-size: 1.1rem; }

  #impacto { padding: 4rem 1.25rem; }
  .resultado-item { padding: 1rem 1.25rem; }

  #publicaciones { padding: 4rem 1.25rem; }
  .pub-item { grid-template-columns: 1fr; gap: 0.4rem; padding: 1.25rem; }
  .pub-year { font-size: 0.72rem; }
  .pub-title { font-size: 0.95rem; }
  .pub-repos { flex-direction: column; }
  .repo-btn { width: 100%; justify-content: center; }

  #contacto { padding: 4rem 1.25rem; }
  .form-row { grid-template-columns: 1fr; }

  footer { padding: 1.5rem 1.25rem; font-size: 0.72rem; }

  .video-feature { padding: 4rem 1.25rem; gap: 2rem; }
  .video-feature--inset { padding: 2rem 0 0; }
}

/* ─── SCROLL ANIMATIONS ─── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }