:root {
  --paper:       #FFFFFF;
  --paper-alt:   #F1F3F7;
  --ink:         #16233A;
  --ink-mid:     #465470;
  --ink-soft:    #6C778E;
  --line:        #D6DBE4;
  --line-strong: #B4BCCB;
  --brass:       #8A6A1F;
  --brass-deep:  #634C13;

  --gutter: clamp(1.25rem, 5vw, 4.5rem);
  --shell: 74rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .wordmark, .masthead-nav, .filter, .work-kind, .stack,
.vitals, .work-cta, .button, .colophon, .result-count, .frame-url {
  font-family: "Libre Franklin", system-ui, sans-serif;
}

h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -0.018em; }
p { margin: 0; }
svg { display: block; max-width: 100%; }
a { color: inherit; }

.skip {
  position: absolute; left: -9999px;
  background: var(--ink); color: var(--paper);
  padding: 0.75rem 1rem; z-index: 10;
}
.skip:focus { left: 1rem; top: 1rem; }

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

/* ---------- masthead ---------- */

.masthead {
  display: flex; flex-wrap: wrap;
  gap: 0.75rem 2rem;
  align-items: baseline; justify-content: space-between;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 1.5rem var(--gutter);
}

.wordmark { font-weight: 700; font-size: 1rem; text-decoration: none; }

.masthead-nav { display: flex; gap: 1.5rem; font-size: 0.9375rem; }

.masthead-nav a {
  text-decoration: none; color: var(--ink-soft);
  padding-bottom: 3px; border-bottom: 2px solid transparent;
}
.masthead-nav a:hover { color: var(--ink); }
.masthead-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--brass); }

.lang-switch {
  color: var(--brass-deep);
  font-weight: 500;
}
.lang-switch::before {
  content: "";
  display: inline-block;
  width: 1px;
  height: 0.85em;
  margin-right: 1.5rem;
  background: var(--line-strong);
  vertical-align: -0.05em;
}

/* ---------- opening ---------- */

.opening {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(2rem, 5vh, 3.25rem) var(--gutter) clamp(1.75rem, 4vh, 2.5rem);
}

.opening-role {
  font-family: "Libre Franklin", system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--brass);
}

.opening h1 {
  margin-top: 0.65rem;
  font-size: clamp(1.625rem, 3.2vw, 2.5rem);
  font-weight: 600;
  max-width: 26ch;
}

.opening-note {
  margin-top: 1.1rem;
  max-width: 62ch;
  color: var(--ink-mid);
  font-size: 1rem;
}

.stack-strip {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-family: "Libre Franklin", system-ui, sans-serif;
  font-size: 0.8125rem;
}

.stack-strip li {
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--ink-mid);
  background: var(--paper-alt);
}

.vitals {
  margin: clamp(1.5rem, 4vh, 2.25rem) 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1.25rem 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
}

.vitals dt {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 0.2rem;
}
.vitals dd { margin: 0; font-size: 0.9375rem; font-weight: 500; }

.opening--tight {
  padding-bottom: clamp(1rem, 3vh, 2rem);
}

.opening--tight h1 {
  font-size: clamp(1.875rem, 4vw, 3rem);
}

/* ---------- section head ---------- */

.work-index {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(2.5rem, 6vh, 4rem) var(--gutter) clamp(3.5rem, 9vh, 6rem);
}

.section-head {
  display: flex; flex-wrap: wrap;
  gap: 1.25rem 2rem;
  align-items: baseline; justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--ink);
}

.section-head h2 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
}

.filters { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.filter {
  font: inherit; font-size: 0.875rem; font-weight: 500;
  padding: 0.35rem 0.75rem;
  background: transparent; color: var(--ink-soft);
  border: 1px solid var(--line-strong); border-radius: 2px;
  cursor: pointer;
}
.filter:hover { color: var(--ink); border-color: var(--ink); }
.filter.is-active { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.result-count {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

/* ---------- works ---------- */

.works {
  list-style: none; margin: 2.5rem 0 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(2.75rem, 6vw, 4.5rem) clamp(1.5rem, 3vw, 2.75rem);
  align-items: start;
}

.work { grid-column: span 12; }
.work[hidden] { display: none; }

@media (min-width: 62rem) {
  .work { grid-column: span 6; }
  .work--lead { grid-column: span 12; }
  .works.is-filtered .work,
  .works.is-filtered .work--lead { grid-column: span 6; }
}

.work-link { display: block; text-decoration: none; color: inherit; }
.work-link--static { cursor: default; }

/* Título arriba a todo el ancho; imagen y texto lado a lado debajo. */
@media (min-width: 46rem) {
  .work-link {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    grid-template-areas:
      "head head"
      "visual meta";
    column-gap: clamp(1.25rem, 2.5vw, 2rem);
    align-items: start;
  }

  .work-head   { grid-area: head; }
  .work-visual { grid-area: visual; }
  .work-meta   { grid-area: meta; padding-top: 0; }

  .work--lead .work-link {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    column-gap: clamp(2rem, 4vw, 3rem);
  }
}

/* ---------- frames ---------- */

.frame {
  background: var(--paper-alt);
  border: 1px solid var(--line-strong);
  overflow: hidden;
}

.frame--browser { border-radius: 4px; }
.frame--dashboard { border-radius: 2px; border-left: 3px solid var(--brass); }

.frame--phone {
  border-radius: 22px;
  border-width: 5px;
  border-color: var(--ink);
  max-width: min(15rem, 100%);
}

.frame-chrome {
  display: flex; align-items: center; gap: 0.35rem;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--line-strong); }

.frame-url { margin-left: 0.5rem; font-size: 0.75rem; color: var(--ink-soft); }

.frame-body { display: grid; place-items: center; }

.frame--browser .frame-body,
.frame--dashboard .frame-body { aspect-ratio: 16 / 10; }

.work--lead .work-line { max-width: 54ch; }
.frame--phone .frame-body { aspect-ratio: 9 / 17; }

.frame-body--empty span {
  font-family: "Libre Franklin", system-ui, sans-serif;
  font-size: 0.8125rem;
  color: var(--ink-soft);
  border: 1px dashed var(--line-strong);
  padding: 0.35rem 0.8rem;
}

.pt-icon { width: 46%; }

.work-link:hover .frame,
.work-link:focus-visible .frame { border-color: var(--brass); }
.work-link:hover .frame--phone,
.work-link:focus-visible .frame--phone { border-color: var(--brass-deep); }

/* ---------- work meta ---------- */

.work-head {
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.1rem;
}

.work-kind {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brass-deep);
}

.work-name {
  margin-top: 0.3rem;
  font-size: 1.375rem;
  font-weight: 600;
}

.work--lead .work-name { font-size: clamp(1.625rem, 2.6vw, 2.125rem); }

.work-meta { padding-top: 1.1rem; }

.work-link:hover .work-name { color: var(--brass-deep); }

.work-line {
  margin-top: 0;
  color: var(--ink-mid);
  font-size: 1rem;
}

@media (max-width: 45.999rem) {
  .work-line { margin-top: 0.75rem; }
}
.work--lead .work-line { font-size: 1.0625rem; }

.work-point {
  margin-top: 1rem;
  padding-left: 1rem;
  border-left: 2px solid var(--brass);
  color: var(--ink-mid);
  font-size: 1rem;
}

.stack {
  list-style: none;
  margin: 1.1rem 0 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  font-size: 0.75rem;
}

.stack li {
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: 2px;
}

.work-cta {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--brass-deep);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
}
.work-link:hover .work-cta { border-bottom-color: var(--brass); }

.empty-state { margin-top: 3rem; color: var(--ink-soft); }

/* ---------- track record ---------- */

.track {
  max-width: var(--shell);
  margin-inline: auto;
  padding: 0 var(--gutter) clamp(3.5rem, 9vh, 5.5rem);
}

.track h2 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--ink);
}

.roles { list-style: none; margin: 0; padding: 0; }

.role {
  display: grid;
  gap: 0.5rem 2.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 48rem) {
  .role { grid-template-columns: 9rem 1fr; }
}

.role-when {
  font-family: "Libre Franklin", system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.role h3 { font-size: 1.125rem; font-weight: 600; }

.role-where {
  margin-top: 0.2rem;
  font-family: "Libre Franklin", system-ui, sans-serif;
  font-size: 0.875rem;
  color: var(--brass-deep);
  font-weight: 500;
}

.role-what { margin-top: 0.75rem; color: var(--ink-mid); font-size: 1rem; max-width: 62ch; }

.track-more {
  margin-top: 1.75rem;
  font-family: "Libre Franklin", system-ui, sans-serif;
  font-size: 0.9375rem;
}
.track-more a { color: var(--brass-deep); }

/* ---------- capabilities ---------- */

.capabilities {
  background: var(--paper-alt);
  border-block: 1px solid var(--line);
}

.capabilities h2,
.cap-grid {
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.capabilities h2 {
  padding-top: clamp(3rem, 7vh, 4.5rem);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
}

.cap-grid {
  padding-bottom: clamp(3rem, 7vh, 4.5rem);
  margin-top: 2rem;
  display: grid;
  gap: 2rem clamp(1.5rem, 3vw, 3rem);
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.cap h3 {
  font-size: 1rem;
  font-weight: 600;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--brass);
  display: inline-block;
}

.cap p { margin-top: 0.75rem; color: var(--ink-mid); font-size: 1rem; }

.frame-shot {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
}

.shot {
  margin: 2rem 0 0;
  max-width: none;
}

.shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
}

.shot figcaption {
  margin-top: 0.75rem;
  font-size: 0.9375rem;
  color: var(--ink-soft);
  max-width: 58ch;
}

.study-body .shot { max-width: none; }


.download {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.download-note {
  font-family: "Libre Franklin", system-ui, sans-serif;
  font-size: 0.8125rem;
  color: var(--ink-soft);
}

/* ---------- credentials ---------- */

.credentials {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(3rem, 8vh, 5rem) var(--gutter) 0;
}

.credentials h2 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--ink);
}

.cred-note { margin-top: 1.25rem; max-width: 54ch; color: var(--ink-mid); font-size: 1rem; }

.cred-group {
  margin-top: 2.25rem;
  font-family: "Libre Franklin", system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--brass-deep);
}

.cred-list { list-style: none; margin: 0.75rem 0 0; padding: 0; }

.cred-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
}

.cred-list a {
  font-family: "Libre Franklin", system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
}
.cred-list a:hover { color: var(--brass-deep); border-bottom-color: var(--brass); }

.cred-meta {
  font-family: "Libre Franklin", system-ui, sans-serif;
  font-size: 0.8125rem;
  color: var(--ink-soft);
}

/* ---------- closing ---------- */

.closing {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(3.5rem, 9vh, 6rem) var(--gutter);
}

.closing h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); font-weight: 600; max-width: 18ch; }
.closing p { margin-top: 1rem; max-width: 48ch; color: var(--ink-mid); }

.closing-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

.button {
  font-family: "Libre Franklin", system-ui, sans-serif;
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background: var(--ink); color: var(--paper);
  text-decoration: none; border-radius: 2px;
  font-size: 0.9375rem; font-weight: 600;
  border: 1px solid var(--ink);
}
.button:hover { background: var(--brass-deep); border-color: var(--brass-deep); }

.button--quiet { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.button--quiet:hover { background: transparent; color: var(--brass-deep); border-color: var(--brass); }

/* ---------- colophon ---------- */

.colophon-links a {
  color: var(--brass-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
}
.colophon-links a:hover { border-bottom-color: var(--brass); }

.colophon {
  max-width: var(--shell);
  margin-inline: auto;
  display: flex; flex-wrap: wrap;
  gap: 0.5rem 2rem; justify-content: space-between;
  padding: 1.75rem var(--gutter);
  border-top: 1px solid var(--line);
  font-size: 0.8125rem; color: var(--ink-soft);
}

/* ---------- case study ---------- */

.study {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(2.5rem, 7vh, 4.5rem) var(--gutter);
}

.study-back {
  font-family: "Libre Franklin", system-ui, sans-serif;
  font-size: 0.875rem; color: var(--ink-soft); text-decoration: none;
}
.study-back:hover { color: var(--ink); }

.study h1 {
  margin-top: 1.5rem;
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  font-weight: 600;
}

.study-standfirst {
  margin-top: 1.25rem;
  max-width: 52ch;
  font-size: clamp(1.0625rem, 1.7vw, 1.25rem);
  color: var(--ink-mid);
}

.study-facts {
  margin: clamp(2.5rem, 6vh, 3.5rem) 0 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 1.25rem 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  font-family: "Libre Franklin", system-ui, sans-serif;
}

.study-facts dt { font-size: 0.8125rem; color: var(--ink-soft); margin-bottom: 0.2rem; }
.study-facts dd { margin: 0; font-size: 0.9375rem; font-weight: 500; }

.study-body { margin-top: clamp(2.5rem, 6vh, 4rem); max-width: 62ch; }

.study-body h2 {
  margin-top: 3rem;
  font-size: 1.25rem; font-weight: 600;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--brass);
  display: inline-block;
}
.study-body h2:first-child { margin-top: 0; }

.study-body p { margin-top: 1.1rem; }

.study-body ul { margin-top: 1.1rem; padding-left: 1.15rem; color: var(--ink-mid); }
.study-body li { margin-top: 0.45rem; }

.study-note {
  margin-top: 2.5rem;
  padding: 1.1rem 1.35rem;
  background: var(--paper-alt);
  border-left: 3px solid var(--line-strong);
  color: var(--ink-mid);
  font-size: 0.9375rem;
}

@media (prefers-reduced-motion: no-preference) {
  .frame, .work-name, .filter, .button, .work-cta, .masthead-nav a {
    transition: border-color 140ms ease, color 140ms ease, background-color 140ms ease;
  }
}