/* Zotroza — hoja de estilo común
   Dirección visual: eje central espejado, borgoña profundo, arena y oro. */

:root {
  --bg: #1c1416;
  --bg-alt: #241a1d;
  --bg-light: #f0e7dc;
  --ink: #eee4da;
  --ink-dim: #a08f8c;
  --ink-dark: #1c1416;
  --ink-dark-dim: #5d4a44;
  --gold: #c98f3f;
  --gold-deep: #8a5a18;
  --sage: #8fa07c;
  --mono: ui-monospace, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wrap: 1120px;
  --gutter: 24px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: hidden;
}

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

a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover { text-decoration-thickness: 2px; }

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

/* --- Rejilla y contenedores --- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  row-gap: 32px;
}

/* --- Tipografía --- */

h1, h2, h3, .label, .nav a, .sitemark {
  font-family: var(--mono);
  text-transform: uppercase;
  font-weight: 600;
}

h1 {
  margin: 0 0 28px;
  font-size: clamp(1.5rem, 1rem + 2.1vw, 2.35rem);
  line-height: 1.32;
  letter-spacing: 0.07em;
}

h1 .line { display: block; }
h1 .line + .line { color: var(--ink-dim); }

h2 {
  margin: 0 0 20px;
  font-size: clamp(1.05rem, 0.9rem + 0.8vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: 0.09em;
}

h3 {
  margin: 34px 0 12px;
  font-size: 0.9rem;
  line-height: 1.5;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
}

p { margin: 0 0 18px; max-width: 68ch; }

.lead { font-size: 1.06rem; }

.num {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--sage);
  margin-bottom: 14px;
}

.label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--sage);
  margin-bottom: 12px;
}

.small { font-size: 0.93rem; color: var(--ink-dim); }

/* --- Cabecera --- */

.site-header {
  border-bottom: 1px solid rgba(201, 143, 63, 0.22);
  padding: 24px 0 20px;
  text-align: center;
}

.sitemark {
  display: inline-block;
  font-size: 0.95rem;
  letter-spacing: 0.42em;
  color: var(--ink);
  text-decoration: none;
  margin-bottom: 14px;
}

.nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 0;
}

.nav li { display: flex; align-items: center; }

.nav li + li::before {
  content: "/";
  color: var(--sage);
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0 14px;
}

.nav a {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--ink-dim);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

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

/* --- Ritmo de secciones --- */

.sec { padding: 64px 0; }
.sec--b { padding: 80px 0; }
.sec--c { padding: 96px 0; }
.sec--alt { background: var(--bg-alt); }

.sec--light {
  background: var(--bg-light);
  color: var(--ink-dark);
}

.sec--light h3 { color: var(--ink-dark-dim); }
.sec--light .num,
.sec--light .label { color: var(--gold-deep); }
.sec--light .small { color: var(--ink-dark-dim); }
.sec--light a { color: var(--gold-deep); }
.sec--light li::marker { color: var(--gold-deep); }

/* --- Hero con eje visible --- */

.hero {
  position: relative;
  padding: 76px 0 88px;
  text-align: center;
}

.hero .wrap { position: relative; }

.hero .wrap::before {
  content: "";
  position: absolute;
  top: -40px;
  bottom: -46px;
  left: 50%;
  width: 1px;
  background: linear-gradient(
    to bottom,
    rgba(201, 143, 63, 0) 0%,
    rgba(201, 143, 63, 0.55) 18%,
    rgba(201, 143, 63, 0.55) 82%,
    rgba(201, 143, 63, 0) 100%
  );
}

.hero-main { grid-column: 4 / 10; }
.hero-side-l { grid-column: 1 / 4; text-align: left; }
.hero-side-r { grid-column: 10 / 13; text-align: left; }
.hero-side-l p, .hero-side-r p { font-size: 0.93rem; line-height: 1.7; color: var(--ink-dim); }
.hero .grid { row-gap: 40px; align-items: start; }

/* --- Figuras --- */

.figure-axis {
  margin: 0 auto;
  max-width: 680px;
  text-align: center;
}

.figure-axis img { margin: 0 auto; }

.caption {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  line-height: 1.7;
  text-transform: uppercase;
  color: var(--sage);
  margin: 16px auto 0;
  max-width: 46ch;
}

.sec--light .caption { color: var(--gold-deep); }

/* --- Composiciones de sección --- */

.sym-l { grid-column: 2 / 6; }
.sym-r { grid-column: 8 / 12; }

.narrow { grid-column: 4 / 10; }
.narrative { grid-column: 1 / 8; }
.wide { grid-column: 1 / 13; }

.detail-media { grid-column: 1 / 6; }
.detail-text { grid-column: 7 / 13; }
.detail-media img { width: 100%; }
.detail-media .caption {
  margin-left: 0;
  text-align: left;
  max-width: 34ch;
}

/* --- Arco separador --- */

.arc {
  width: 33.333%;
  max-width: 330px;
  min-width: 180px;
  height: 30px;
  margin: 0 auto;
  border-top: 1px solid rgba(201, 143, 63, 0.5);
  border-left: 1px solid rgba(201, 143, 63, 0.12);
  border-right: 1px solid rgba(201, 143, 63, 0.12);
  border-radius: 300px 300px 0 0;
}

.arc--light {
  border-top-color: rgba(138, 90, 24, 0.55);
  border-left-color: rgba(138, 90, 24, 0.14);
  border-right-color: rgba(138, 90, 24, 0.14);
}

/* --- Listas --- */

ul.list, ol.list {
  margin: 0 0 22px;
  padding-left: 1.15rem;
  max-width: 66ch;
}

ul.list li, ol.list li { margin-bottom: 10px; padding-left: 4px; }
ul.list li::marker { color: var(--gold); }
ol.list li::marker { color: var(--gold); font-family: var(--mono); font-size: 0.85rem; }

.check {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  max-width: 66ch;
}

.check li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(160, 143, 140, 0.16);
  padding-bottom: 12px;
}

.check li:last-child { border-bottom: 0; }

.check li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold);
  font-family: var(--mono);
}

.sec--light .check li { border-bottom-color: rgba(28, 20, 22, 0.14); }
.sec--light .check li::before { color: var(--gold-deep); }

/* --- Sección de contacto --- */

.contact-line {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  margin-top: 8px;
}

/* --- Pie --- */

.site-footer {
  background: var(--bg-alt);
  padding: 56px 0 64px;
  text-align: center;
}

.site-footer .arc { margin-bottom: 34px; }

.footer-name {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.42em;
  font-size: 0.9rem;
  margin: 0 0 22px;
}

.site-footer .nav { margin-bottom: 22px; }

.footer-mail {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  margin: 0 0 14px;
}

.footer-note {
  margin: 0 auto;
  max-width: 58ch;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-dim);
}

/* --- Páginas interiores --- */

.page-head {
  padding: 64px 0 8px;
  text-align: center;
  position: relative;
}

.page-head .wrap { position: relative; }

.page-head .wrap::before {
  content: "";
  position: absolute;
  top: -24px;
  bottom: -20px;
  left: 50%;
  width: 1px;
  background: linear-gradient(
    to bottom,
    rgba(201, 143, 63, 0) 0%,
    rgba(201, 143, 63, 0.5) 40%,
    rgba(201, 143, 63, 0) 100%
  );
}

.page-head h1 { margin-bottom: 18px; }
.page-head .intro { margin: 0 auto; max-width: 60ch; color: var(--ink-dim); }

.pair-l { grid-column: 2 / 6; }
.pair-r { grid-column: 8 / 12; }

.pair-l h3, .pair-r h3 { margin-top: 0; }

/* --- Adaptación a pantallas medianas y pequeñas --- */

@media (max-width: 900px) {
  .hero-main, .hero-side-l, .hero-side-r,
  .sym-l, .sym-r, .narrow, .narrative, .wide,
  .detail-media, .detail-text,
  .pair-l, .pair-r {
    grid-column: 1 / -1;
  }

  .hero-side-l, .hero-side-r { text-align: center; }
  .hero-side-l p, .hero-side-r p { margin-left: auto; margin-right: auto; }
  .detail-media .caption { text-align: center; margin-left: auto; margin-right: auto; }
  .detail-media { max-width: 460px; margin: 0 auto; }
  .grid { row-gap: 26px; }
}

@media (max-width: 640px) {
  body { font-size: 16.5px; }
  :root { --gutter: 18px; }

  .hero { padding: 48px 0 52px; }
  .hero .wrap::before, .page-head .wrap::before { display: none; }

  .sec { padding: 40px 0; }
  .sec--b { padding: 48px 0; }
  .sec--c { padding: 56px 0; }

  .page-head { padding: 44px 0 4px; }

  h1 { letter-spacing: 0.05em; }
  h2 { letter-spacing: 0.07em; }

  .nav li + li::before { padding: 0 9px; }
  .sitemark { letter-spacing: 0.3em; }
  .footer-name { letter-spacing: 0.3em; }
  .check li { padding-left: 20px; }
  p { max-width: none; }
}