/* Stopabulme — hoja de estilos común */

:root {
  --bg: #eceff1;
  --bg-alt: #dde3e7;
  --dark: #1f2a33;
  --text: #151c22;
  --muted: #606d78;
  --on-dark: #eceff1;
  --accent: #a2472c;
  --accent-2: #3f6b86;
  --gap: 28px;
  --pad: 32px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { overflow-x: hidden; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

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

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

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

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

.wrap {
  max-width: 1260px;
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

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

/* --- Tipografía --- */

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  margin: 0;
}

h1 {
  font-size: clamp(2.35rem, 7vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(1.7rem, 3.1vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
}

h3 {
  font-size: 1.32rem;
  line-height: 1.25;
  margin: 34px 0 10px;
}

p { margin: 0 0 22px; }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: 19px;
  line-height: 1.7;
}

.caption {
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

.snum {
  display: block;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--accent-2);
  margin-bottom: 14px;
}

/* --- Cabecera --- */

.site-header {
  padding: 26px 0 22px;
  border-bottom: 1px solid #c6ced4;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px 32px;
}

.brand {
  font-family: var(--serif);
  font-size: 23px;
  letter-spacing: 0.01em;
  color: var(--text);
  text-decoration: none;
}

.brand:hover { color: var(--accent); }

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover { border-bottom-color: var(--accent); }

.site-nav a[aria-current="page"] {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

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

.pad-lg { padding: 120px 0; }
.pad-sm { padding: 56px 0; }
.alt { background: var(--bg-alt); }

/* --- Hero --- */

.hero { padding: 96px 0 64px; }

.hero-head {
  display: flex;
  gap: var(--gap);
  align-items: stretch;
}

.hero-line {
  flex: 0 0 3px;
  background: var(--accent);
}

.hero-head h1 span {
  display: block;
}

.hero-head h1 span:nth-child(2) { margin-left: 9%; }
.hero-head h1 span:nth-child(3) { margin-left: 18%; }

.hero-body { margin-top: 58px; }

.hero-topics {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 15px;
  color: var(--muted);
}

.hero-topics li + li::before {
  content: "/";
  color: var(--accent);
  margin-right: 14px;
}

/* --- Imagen principal --- */

.main-figure {
  grid-column: 5 / span 8;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin: 0;
}

.main-figure figcaption {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
  padding-top: 4px;
}

.main-figure .shot { flex: 1 1 auto; min-width: 0; }

/* --- Separadores --- */

.rule {
  height: 3px;
  background: var(--accent);
  border: 0;
  margin: 0;
}

.rule-left { grid-column: 1 / span 4; }
.rule-center { grid-column: 5 / span 4; }
.rule-right { grid-column: 9 / span 4; }

/* --- Columnas --- */

.c5-l { grid-column: 1 / span 5; }
.c5-r { grid-column: 8 / span 5; }
.c6-l { grid-column: 1 / span 6; }
.c6-r { grid-column: 7 / span 6; }
.c7-l { grid-column: 1 / span 7; }
.c7-o { grid-column: 4 / span 7; }
.c9-l { grid-column: 1 / span 9; }
.c9-o { grid-column: 4 / span 9; }

/* --- Listas --- */

.steps {
  list-style: none;
  counter-reset: step;
  margin: 26px 0 0;
  padding: 0;
}

.steps li {
  position: relative;
  padding-left: 72px;
  margin-bottom: 20px;
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: -4px;
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.4;
  color: var(--accent);
}

.checks {
  margin: 24px 0 0;
  padding-left: 22px;
}

.checks li { margin-bottom: 12px; }
.checks li::marker { color: var(--accent); }

/* --- Sección de contraste --- */

.dark {
  background: var(--dark);
  color: var(--on-dark);
}

.dark h2, .dark h3 { color: var(--on-dark); }
.dark .caption { color: #9fb0bc; }
.dark .snum { color: #7fa5bd; }
.dark a { color: #e2a58f; }
.dark .steps li::before { color: #e2a58f; }
.dark .checks li::marker { color: #e2a58f; }
.dark :focus-visible { outline-color: #e2a58f; }

.detail-figure {
  grid-column: 2 / span 4;
  margin: 0;
}

.detail-figure figcaption { margin-top: 12px; }

.detail-text { grid-column: 7 / span 6; }

/* --- Bloque de contacto --- */

.contact-mail {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.3;
  display: inline-block;
  margin-top: 6px;
}

/* --- Páginas interiores --- */

.page-head { padding: 84px 0 40px; }

.page-head h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.6rem);
  max-width: 20ch;
}

.page-head .hero-line-h {
  width: 3px;
  background: var(--accent);
  align-self: stretch;
  flex: 0 0 3px;
}

.page-head-inner {
  display: flex;
  gap: var(--gap);
  align-items: stretch;
}

.about-lead {
  font-size: 22px;
  line-height: 1.6;
  margin-bottom: 34px;
}

.prose-block { margin-bottom: 56px; }
.prose-block:last-child { margin-bottom: 0; }

.prose-block h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  margin-bottom: 14px;
}

/* Encabezados de subsección en el margen izquierdo */
.side-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  margin-bottom: 52px;
}

.side-grid:last-child { margin-bottom: 0; }
.side-grid > h2 { grid-column: 1 / span 3; margin-bottom: 0; }
.side-grid > .side-body { grid-column: 4 / span 6; }

/* --- Pie --- */

.site-footer { padding-bottom: 64px; }

.footer-rule {
  height: 3px;
  background: var(--accent);
  margin: 0 0 26px;
}

.footer-name {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 8vw, 4.6rem);
  line-height: 1.05;
  margin: 0 0 34px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px var(--gap);
}

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav li { margin-bottom: 8px; }

.footer-nav a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid #b9c2c9;
  padding-bottom: 2px;
}

.footer-nav a:hover { border-bottom-color: var(--accent); color: var(--accent); }

.footer-meta p { font-size: 15px; color: var(--muted); }
.footer-meta .mail { font-size: 17px; color: var(--accent); }

/* --- Adaptación --- */

@media (max-width: 1000px) {
  .main-figure { grid-column: 1 / -1; }
  .detail-figure { grid-column: 1 / span 6; }
  .detail-text { grid-column: 1 / -1; margin-top: 34px; }
  .c5-l, .c5-r, .c6-l, .c6-r, .c7-l, .c7-o, .c9-l, .c9-o { grid-column: 1 / -1; }
  .rule-left, .rule-center, .rule-right { grid-column: 1 / span 6; }
  .side-grid > h2 { grid-column: 1 / -1; margin-bottom: 12px; }
  .side-grid > .side-body { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  :root { --pad: 20px; --gap: 18px; }

  body { font-size: 16.5px; }

  .pad-lg { padding: 64px 0; }
  .pad-sm { padding: 40px 0; }
  .hero { padding: 52px 0 40px; }
  .hero-body { margin-top: 36px; }
  .page-head { padding: 48px 0 28px; }

  .hero-head h1 span:nth-child(2) { margin-left: 7%; }
  .hero-head h1 span:nth-child(3) { margin-left: 14%; }

  .main-figure { display: block; }

  .main-figure figcaption {
    writing-mode: horizontal-tb;
    transform: none;
    white-space: normal;
    margin-top: 10px;
  }

  .detail-figure { grid-column: 1 / -1; }
  .rule-left, .rule-center, .rule-right { grid-column: 1 / -1; }

  .steps li { padding-left: 52px; }
  .steps li::before { font-size: 24px; }

  .footer-grid { grid-template-columns: 1fr; }
  .about-lead { font-size: 20px; }
}