:root {
  --ink: #0c0c0e;
  --ink-2: #141418;
  --ink-3: #1e1e24;
  --gold: #c6a462;
  --gold-soft: rgba(198, 164, 98, 0.22);
  --paper: #ece7dd;
  --paper-dim: #8e8a83;
  --maxw: 1120px;
  --gut: clamp(20px, 5vw, 64px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 18px;
  line-height: 1.7;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: "Instrument Serif", Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Foco solo para teclado. Sin esto no se ve donde esta uno al tabular:
   el fondo oscuro se come el anillo por defecto del navegador. */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 8px;
  transform: translate(-50%, -160%);
  z-index: 100;
  background: var(--gold);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 14px 26px;
  transition: transform 0.2s;
}

.skip-link:focus {
  transform: translate(-50%, 0);
}

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

.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 400;
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--gold-soft);
}

.btn {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 16px 32px;
  border: 1px solid var(--gold);
  color: var(--gold);
  background: transparent;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}

.btn:hover {
  background: var(--gold);
  color: var(--ink);
}

.btn-solid {
  background: var(--gold);
  color: var(--ink);
}

.btn-solid:hover {
  background: transparent;
  color: var(--gold);
}

/* nav */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px var(--gut);
  background: rgba(12, 12, 14, 0.7);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

.nav.scrolled {
  border-bottom-color: var(--gold-soft);
  background: rgba(12, 12, 14, 0.94);
}

.brand {
  font-family: "Instrument Serif", serif;
  font-size: 23px;
  letter-spacing: 0.02em;
}

.brand em {
  font-style: normal;
  color: var(--gold);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-lockup img {
  width: 34px;
  height: 34px;
}

.nav ul {
  display: flex;
  gap: 34px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav ul a {
  color: var(--paper-dim);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav ul a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--gold-soft);
  color: var(--gold);
  width: 42px;
  height: 42px;
  font-size: 18px;
  cursor: pointer;
}

/* hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: 150px var(--gut) 90px;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--maxw);
  margin-inline: auto;
  width: 100%;
  position: relative;
}

.hero-glow {
  position: absolute;
  width: 780px;
  height: 780px;
  top: -240px;
  right: -180px;
  background: radial-gradient(circle, rgba(198, 164, 98, 0.13), transparent 62%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(52px, 13vw, 148px);
  margin-bottom: 26px;
}

.hero h1 em {
  font-style: italic;
  color: var(--gold);
}

.pillars-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 34px;
}

.pillars-line span:not(:last-child)::after {
  content: " ✦";
  color: var(--gold);
  margin-left: 22px;
}

.hero p.lede {
  color: var(--paper-dim);
  font-size: clamp(18px, 2.1vw, 22px);
  max-width: 560px;
  margin: 0 0 42px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* secciones */
section {
  position: relative;
  padding: clamp(80px, 12vw, 150px) 0;
}

.alt {
  background: var(--ink-2);
  border-block: 1px solid var(--gold-soft);
}

.section-head {
  max-width: 620px;
  margin-bottom: 60px;
}

.section-head h2 {
  font-size: clamp(32px, 5.4vw, 58px);
  margin-bottom: 20px;
}

/* El :not(.eyebrow) es deliberado: un selector como ".section-head p" gana
   por especificidad a ".eyebrow" y le roba el dorado al antetitulo. */
.section-head p:not(.eyebrow) {
  color: var(--paper-dim);
  margin: 0;
}

/* pilares */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1px;
  background: var(--gold-soft);
  border: 1px solid var(--gold-soft);
}

.pillar {
  background: var(--ink);
  padding: 44px 34px 40px;
  transition: background 0.25s;
}

.pillar:hover {
  background: var(--ink-3);
}

.pillar .idx {
  font-family: "Instrument Serif", serif;
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.2em;
  display: block;
  margin-bottom: 26px;
}

.pillar h3 {
  font-size: 30px;
  margin-bottom: 14px;
}

.pillar p {
  color: var(--paper-dim);
  font-size: 17px;
  margin: 0;
}

/* bio */
.bio {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(34px, 7vw, 90px);
  align-items: center;
}

.bio p:not(.eyebrow) {
  color: var(--paper-dim);
}

.bio p strong {
  color: var(--paper);
  font-weight: 400;
}

.portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--gold-soft);
  background: var(--ink-2);
  overflow: hidden;
  margin: 0;
}

.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 38% center;
}

.portrait figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 44px 22px 16px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--paper);
  background: linear-gradient(to top, rgba(12, 12, 14, 0.88), transparent);
}

.numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gold-soft);
  margin-top: 46px;
  border: 1px solid var(--gold-soft);
}

.numbers div {
  background: var(--ink);
  padding: 26px 20px;
}

.numbers .n {
  font-family: "Instrument Serif", serif;
  font-size: clamp(30px, 4.4vw, 44px);
  color: var(--gold);
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}

.numbers .l {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

/* proyectos */
.projects {
  display: grid;
  gap: 1px;
  background: var(--gold-soft);
  border: 1px solid var(--gold-soft);
}

.project {
  background: var(--ink);
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 32px 30px;
  transition: background 0.25s;
}

.project:hover {
  background: var(--ink-3);
}

.project .handle {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.project h3 {
  font-size: 24px;
  margin-bottom: 5px;
}

.project p {
  color: var(--paper-dim);
  font-size: 16px;
  margin: 0;
}

.project .arrow {
  font-size: 22px;
  color: var(--gold);
}

/* contacto */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(34px, 6vw, 80px);
  align-items: start;
}

.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 9px;
}

.field input,
.field textarea {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--ink-3);
  color: var(--paper);
  font-family: inherit;
  font-size: 17px;
  padding: 14px 16px;
  border-radius: 0;
  transition: border-color 0.2s;
}

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

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
}

.contact-list li {
  padding: 20px 0;
  border-bottom: 1px solid var(--gold-soft);
}

.contact-list span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 6px;
}

.contact-list a,
.contact-list p {
  font-family: "Instrument Serif", serif;
  font-size: 24px;
  margin: 0;
}

.contact-list a:hover {
  color: var(--gold);
}

/* footer */
footer {
  border-top: 1px solid var(--gold-soft);
  padding: 50px 0 38px;
  text-align: center;
}

footer .brand {
  display: inline-block;
  margin-bottom: 22px;
}

.socials {
  display: flex;
  justify-content: center;
  gap: 28px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.socials a:hover {
  color: var(--gold);
}

footer small {
  color: var(--paper-dim);
  font-size: 13px;
  letter-spacing: 0.12em;
}

/* reveal */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* responsive */
@media (max-width: 900px) {
  .bio,
  .contact {
    grid-template-columns: 1fr;
  }

  .portrait {
    order: -1;
    max-width: 340px;
    margin-inline: auto;
  }

  .project {
    grid-template-columns: 1fr auto;
  }

  .project .handle {
    grid-column: 1 / -1;
  }

  .nav-toggle {
    display: block;
  }

  .nav ul {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(12, 12, 14, 0.98);
    border-bottom: 1px solid var(--gold-soft);
    padding: 10px var(--gut) 24px;
    display: none;
  }

  .nav ul.open {
    display: flex;
  }

  .nav ul a {
    display: block;
    padding: 15px 0;
  }
}