/* ============================================================
   Eduardo Rodríguez Barrera — sitio personal
   Identidad: casa bancaria londinense, sobria e institucional.
   ============================================================ */

:root {
  --c-ink: #101418;      /* casi negro */
  --c-navy: #2C3E50;     /* azul marino */
  --c-gold: #B08D57;     /* dorado / bronce */
  --c-sand: #DCC9A6;     /* arena */
  --c-ivory: #FBF6EE;    /* marfil */

  --font-serif: "Times New Roman", Times, Georgia, serif;
  --font-label: "Times New Roman", Times, Georgia, serif;

  --gutter: 1.5rem;
  --max-width: 72rem;
  --rule: 1px solid var(--c-gold);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  background: var(--c-ivory);
  color: var(--c-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.small-caps-label {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  font-weight: normal;
}

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

.masthead {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--c-ink);
  border-bottom: 1px solid var(--c-gold);
}

.masthead__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.crest {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--c-ivory);
  text-decoration: none;
}

.crest__mark {
  width: 40px;
  height: 40px;
  flex: none;
}

.crest__name {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  line-height: 1.3;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: transparent;
  border: 1px solid var(--c-gold);
  color: var(--c-ivory);
  cursor: pointer;
}

.nav-toggle span {
  position: relative;
  width: 1.1rem;
  height: 1px;
  background: var(--c-gold);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--c-gold);
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.masthead__nav {
  display: none;
  border-top: 1px solid var(--c-gold);
}

.masthead__nav.is-open {
  display: block;
}

.masthead__nav ul {
  list-style: none;
  margin: 0;
  padding: 0.75rem var(--gutter) 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.masthead__nav a {
  display: block;
  color: var(--c-ivory);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  padding: 0.15rem 0;
}

.masthead__nav a:hover,
.masthead__nav a:focus-visible {
  color: var(--c-gold);
}

@media (min-width: 62rem) {
  .nav-toggle {
    display: none;
  }

  .masthead__nav {
    display: block;
    border-top: none;
  }

  .masthead__nav ul {
    flex-direction: row;
    justify-content: flex-end;
    gap: 2rem;
    padding: 0;
  }
}

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */

.hero {
  background: var(--c-ink);
  color: var(--c-ivory);
  padding: 4.5rem 0 5rem;
}

.hero__grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 56rem) {
  .hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

.hero__eyebrow {
  color: var(--c-gold);
  margin: 0 0 1.25rem;
}

.hero__name {
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  font-weight: normal;
  margin: 0 0 1.15rem;
  letter-spacing: 0.01em;
}

.hero__tagline {
  font-size: 1.08rem;
  color: var(--c-sand);
  max-width: 34rem;
  margin: 0 0 1.4rem;
}

.hero__motto {
  font-style: italic;
  font-size: 1.05rem;
  color: var(--c-gold);
  max-width: 30rem;
  margin: 0 0 2rem;
  letter-spacing: 0.01em;
}

.hero__rule {
  width: 4.5rem;
  height: 1px;
  background: var(--c-gold);
  margin: 0 0 2rem;
  border: none;
}

.btn {
  display: inline-block;
  border: 1px solid var(--c-gold);
  color: var(--c-ivory);
  text-decoration: none;
  padding: 0.7rem 1.6rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  transition: background 0.25s ease, color 0.25s ease;
}

.btn:hover,
.btn:focus-visible {
  background: var(--c-gold);
  color: var(--c-ink);
}

.hero__portrait-frame {
  border: 1px solid var(--c-gold);
  padding: 0.6rem;
  max-width: 22rem;
  margin: 0 auto;
}

.portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  background: linear-gradient(180deg, #1c232b 0%, #101418 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* ---------------------------------------------------------
   Secciones generales
   --------------------------------------------------------- */

section {
  padding: 4.5rem 0;
}

.section--ivory {
  background: var(--c-ivory);
  color: var(--c-ink);
}

.section--sand {
  background: var(--c-sand);
  color: var(--c-ink);
}

.section--navy {
  background: var(--c-navy);
  color: var(--c-ivory);
}

.section-head {
  margin-bottom: 2.25rem;
  text-align: center;
}

.section-head__label {
  color: var(--c-gold);
  display: block;
  margin-bottom: 0.85rem;
}

.section-head__rule {
  width: 3rem;
  height: 1px;
  background: var(--c-gold);
  border: none;
  margin: 0.9rem auto 0;
}

.prose {
  max-width: 42rem;
  margin: 0 auto;
}

.prose p {
  margin: 0 0 1.3rem;
  font-size: 1.02rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

/* ---------------------------------------------------------
   Trabajo destacado — casos
   --------------------------------------------------------- */

.cases {
  display: grid;
  gap: 2rem;
  max-width: 52rem;
  margin: 0 auto;
}

.case {
  padding: 1.75rem 2rem;
  background: var(--c-ivory);
  border-top: 1px solid var(--c-gold);
  border-bottom: 1px solid var(--c-gold);
}

.case__title {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--c-navy);
}

.case__body {
  margin: 0;
  font-size: 0.98rem;
}

/* ---------------------------------------------------------
   Ámbito de práctica
   --------------------------------------------------------- */

.practice-scope .prose {
  max-width: 46rem;
}

.practice-list {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.practice-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 1.02rem;
}

.practice-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--c-gold);
}

/* ---------------------------------------------------------
   Insights
   --------------------------------------------------------- */

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

@media (min-width: 42rem) {
  .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 62rem) {
  .insights-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.insight-card {
  border: 1px solid var(--c-gold);
  padding: 1.75rem;
  background: var(--c-ivory);
  display: flex;
  flex-direction: column;
  min-height: 12rem;
}

.insight-card__tag {
  color: var(--c-gold);
  margin: 0 0 1rem;
}

.insight-card__title {
  font-size: 1.05rem;
  margin: 0 0 0.75rem;
  line-height: 1.4;
}

.insight-card__title a {
  color: var(--c-ink);
  text-decoration: none;
}

.insight-card__title a:hover,
.insight-card__title a:focus-visible {
  color: var(--c-gold);
}

.insight-card__dek {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--c-navy);
  flex-grow: 1;
}

.insight-card__link {
  color: var(--c-gold);
  text-decoration: none;
}

.insight-card__link:hover,
.insight-card__link:focus-visible {
  color: var(--c-navy);
}

/* ---------------------------------------------------------
   Artículo individual (Insights)
   --------------------------------------------------------- */

.article {
  padding: 3.5rem 0 5rem;
}

.article__back {
  max-width: 42rem;
  margin: 0 auto 2rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.article__back a {
  color: var(--c-navy);
  text-decoration: none;
}

.article__back a:hover,
.article__back a:focus-visible {
  color: var(--c-gold);
}

.article__tag {
  max-width: 42rem;
  margin: 0 auto 0.75rem;
  color: var(--c-gold);
}

.article__title {
  max-width: 42rem;
  margin: 0 auto 1rem;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: normal;
  line-height: 1.25;
  text-wrap: balance;
}

.article__byline {
  max-width: 42rem;
  margin: 0 auto 1.75rem;
  font-style: italic;
  font-size: 0.92rem;
  color: var(--c-navy);
}

.article__rule {
  width: 3rem;
  height: 1px;
  background: var(--c-gold);
  border: none;
  margin: 0 auto 2.5rem;
}

.article__body h2 {
  font-size: 1.28rem;
  font-weight: normal;
  color: var(--c-navy);
  margin: 2.2rem 0 1rem;
}

.article__body ul {
  margin: 0 0 1.3rem;
  padding-left: 1.4rem;
}

.article__body li {
  margin-bottom: 0.55rem;
  font-size: 1.02rem;
}

/* ---------------------------------------------------------
   Credenciales
   --------------------------------------------------------- */

.credentials {
  text-align: center;
}

.credentials__line {
  max-width: 46rem;
  margin: 0 auto;
  font-size: 0.92rem;
  color: var(--c-navy);
  letter-spacing: 0.02em;
}

/* ---------------------------------------------------------
   Contacto
   --------------------------------------------------------- */

.contact {
  text-align: center;
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.btn--light {
  border-color: var(--c-gold);
  color: var(--c-ivory);
}

.btn--outline-dark {
  border-color: var(--c-navy);
  color: var(--c-navy);
}

.btn--outline-dark:hover,
.btn--outline-dark:focus-visible {
  background: var(--c-navy);
  color: var(--c-ivory);
}

/* ---------------------------------------------------------
   Pie
   --------------------------------------------------------- */

.site-footer {
  background: var(--c-ink);
  color: var(--c-sand);
  padding: 2.5rem 0;
  text-align: center;
}

.site-footer .crest__mark {
  width: 32px;
  height: 32px;
  margin: 0 auto 1rem;
}

.site-footer p {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-sand);
}

/* ---------------------------------------------------------
   Utilidades
   --------------------------------------------------------- */

.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;
}