:root {
  --paper: #F8F9F7;
  --paper-alt: #EEF1F0;
  --ink: #1F3F5B;
  --text: #1E2429;
  --muted: #5C6770;
  --rule: #D6DBDC;
  --on-ink: #F8F9F7;

  --serif: "Alegreya", Georgia, serif;
  --sans: "Alegreya Sans", system-ui, sans-serif;

  --wrap: 68rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151B20;
    --paper-alt: #1B232A;
    --ink: #9DBAD4;
    --text: #E4E8EA;
    --muted: #A2ADB5;
    --rule: #2E3942;
    --on-ink: #151B20;
  }
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--serif);
  font-size: 1.1875rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 2px; }

h1, h2 { font-weight: 500; line-height: 1.1; margin: 0; }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); margin-bottom: 1.25rem; color: var(--ink); }
p { margin: 0 0 1rem; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 44rem; margin-left: max(0px, calc((100% - var(--wrap)) / 2)); }

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--on-ink); padding: 0.5rem 1rem;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 10; }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); }
.header-inner {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; padding-top: 1.1rem; padding-bottom: 1.1rem; flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.2rem; text-decoration: none; color: var(--text); }
.site-header nav { display: flex; gap: 1.5rem; font-family: var(--sans); font-size: 1.05rem; }
.site-header nav a { text-decoration: none; color: var(--muted); }
.site-header nav a:hover { color: var(--ink); }

/* Hero */
.hero { padding: clamp(3rem, 9vw, 7rem) 0 clamp(3rem, 8vw, 6rem); }
.hero-inner {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(2rem, 6vw, 5rem); align-items: center;
}
.hero h1 {
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
}
.registro {
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  color: var(--ink);
  margin: 0.6rem 0 1.75rem;
  font-style: italic;
}
.lede { max-width: 34rem; color: var(--muted); font-size: 1.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

.btn {
  font-family: var(--sans); font-size: 1.05rem; font-weight: 500;
  display: inline-block; padding: 0.7rem 1.25rem;
  background: var(--ink); color: var(--on-ink);
  border: 1px solid var(--ink); border-radius: 3px; text-decoration: none;
}
.btn:hover { filter: brightness(1.12); }
.btn-quiet { background: transparent; color: var(--ink); }
.btn-quiet:hover { background: var(--paper-alt); filter: none; }

/* Logo: monogram PNG used as a mask so it takes the theme's ink color. */
.logo {
  display: inline-block;
  background-color: var(--ink);
  -webkit-mask: url("img/logo-em.png") center / contain no-repeat;
  mask: url("img/logo-em.png") center / contain no-repeat;
  aspect-ratio: 1024 / 819;
}
.logo-hero { width: clamp(12rem, 26vw, 19rem); }
.logo-brand { width: 2.2rem; margin-right: 0.6rem; vertical-align: -0.45rem; }

/* Office photos */
.photos { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(1rem, 3vw, 2rem); align-items: start; }
.photo { margin: 0; }
.photo img { display: block; width: 100%; height: auto; border-radius: 3px; border: 1px solid var(--rule); }
.photo figcaption { font-family: var(--sans); font-size: 0.95rem; color: var(--muted); margin-top: 0.6rem; }

/* Sections */
.section { padding: clamp(3rem, 8vw, 5.5rem) 0; border-top: 1px solid var(--rule); }
.section-contact { background: var(--paper-alt); }

.facts {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem; margin: 2.5rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--rule);
}
.facts dt, .contact dt { font-family: var(--sans); font-size: 0.95rem; color: var(--muted); }
.facts dd { margin: 0.2rem 0 0; font-size: 1.2rem; }

.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact { margin: 0 0 1.5rem; display: grid; gap: 1.1rem; }
.contact dd { margin: 0.15rem 0 0; }

.map { border: 1px solid var(--rule); background: var(--paper); aspect-ratio: 4 / 3; }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); padding: 2rem 0; font-family: var(--sans); color: var(--muted); font-size: 0.95rem; }
.site-footer p { margin: 0; }

@media (max-width: 720px) {
  .hero-inner { grid-template-columns: 1fr; }
  .logo-hero { order: -1; width: 10rem; }
  .photos { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; gap: 1rem; }
  .contact-grid { grid-template-columns: 1fr; }
}