/* Flundusi — hoja de estilo general */

:root {
  --bg: #f2ebe0;
  --bg-alt: #e7d9c6;
  --bg-dark: #4a2c1e;
  --ink: #241a14;
  --ink-soft: #6e5b4c;
  --ink-inv: #f2ebe0;
  --accent: #c05a2b;
  --accent-2: #6b7a5a;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { 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: 18px;
  line-height: 1.9;
}

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

a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible,
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

/* ---------- rejilla ---------- */

.wrap {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 32px;
  row-gap: 0;
}

.col-5-l  { grid-column: 1 / 6; }
.col-5-r  { grid-column: 8 / 13; }
.col-6-l  { grid-column: 1 / 7; }
.col-6-m  { grid-column: 3 / 9; }
.col-7-l  { grid-column: 1 / 8; }
.col-7-r  { grid-column: 6 / 13; }
.col-9-l  { grid-column: 1 / 10; }
.col-9-r  { grid-column: 4 / 13; }
.col-full { grid-column: 1 / 13; }

/* ---------- ritmo vertical ---------- */

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

.s-dark {
  background: var(--bg-dark);
  color: var(--ink-inv);
  padding-block: 120px;
}
.s-dark h2, .s-dark h3 { color: var(--ink-inv); }
.s-dark .eyebrow { color: #c8b9a4; }
.s-dark .caption { color: #c8b9a4; }
.s-dark a { color: #e8a77e; }

/* ---------- tipografía ---------- */

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: normal;
  line-height: 1.3;
  margin: 0;
}

h1 {
  font-size: clamp(2.3rem, 6.2vw, 4.4rem);
  letter-spacing: -0.01em;
}

h1 .l1 { display: block; }
h1 .l2 { display: block; padding-left: 9%; }
h1 .l3 { display: block; padding-left: 18%; }

h2 {
  font-size: clamp(1.7rem, 3.1vw, 2.35rem);
  margin-bottom: 28px;
}

h3 {
  font-size: 1.28rem;
  margin: 44px 0 14px;
}

p { margin: 0 0 30px; }
p:last-child { margin-bottom: 0; }

.lead { font-size: 22px; }

.eyebrow {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin: 0 0 20px;
}

.caption {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- separadores ---------- */

.rule {
  height: 3px;
  background: var(--accent);
  border: 0;
  margin: 0;
}
.rule-l { grid-column: 1 / 5; }
.rule-c { grid-column: 5 / 9; }
.rule-r { grid-column: 9 / 13; }

/* ---------- cabecera y navegación ---------- */

.site-head {
  border-bottom: 1px solid #d8c9b4;
  padding-block: 26px;
}
.site-head .grid { row-gap: 14px; align-items: baseline; }

.brand {
  grid-column: 1 / 5;
  font-family: var(--serif);
  font-size: 1.6rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { color: var(--accent); }

.site-nav { grid-column: 5 / 13; }
.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 0;
  padding: 0;
  justify-content: flex-end;
}
.site-nav a {
  font-size: 16px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 3px;
}
.site-nav a:hover { border-bottom-color: var(--accent); color: var(--accent); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--accent); }

/* ---------- hero ---------- */

.hero { padding-top: 96px; padding-bottom: 56px; }

.hero-head {
  grid-column: 1 / 11;
  border-left: 3px solid var(--accent);
  padding-left: 34px;
}

.hero-intro { grid-column: 1 / 6; margin-top: 56px; }

.topic-line {
  grid-column: 6 / 13;
  margin-top: 56px;
  align-self: end;
  font-size: 15px;
  line-height: 2.1;
  color: var(--ink-soft);
}
.topic-line span::after {
  content: "/";
  color: var(--accent);
  margin: 0 10px;
}
.topic-line span:last-child::after { content: ""; margin: 0; }

/* ---------- figuras ---------- */

.fig-main {
  grid-column: 5 / 13;
  margin: 0 -40px 0 0;
  display: flex;
  gap: 22px;
  align-items: flex-start;
}
.fig-main .caption {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
  flex: 0 0 auto;
  align-self: flex-end;
}
.fig-main img { flex: 1 1 auto; width: 100%; }

.fig-detail {
  grid-column: 2 / 6;
  margin: 0;
}
.fig-detail img { width: 100%; }
.fig-detail .caption { margin-top: 16px; }

.dark-text { grid-column: 7 / 13; }

/* ---------- listas ---------- */

.checklist {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
}
.checklist li {
  counter-increment: step;
  position: relative;
  padding-left: 78px;
  margin-bottom: 30px;
}
.checklist li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: -2px;
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1.2;
  color: var(--accent);
}
.checklist li:last-child { margin-bottom: 0; }

.plainlist { margin: 0 0 30px; padding-left: 24px; }
.plainlist li { margin-bottom: 14px; }
.plainlist li::marker { color: var(--accent); }

.deflist { margin: 0; }
.deflist dt {
  font-family: var(--serif);
  font-size: 1.15rem;
  margin-top: 30px;
  border-left: 3px solid var(--accent-2);
  padding-left: 16px;
}
.deflist dd { margin: 10px 0 0 19px; }

/* ---------- páginas interiores ---------- */

.page-head { padding-top: 88px; padding-bottom: 48px; }
.page-head h1 { font-size: clamp(2.1rem, 4.8vw, 3.4rem); }
.page-head .col-9-l { border-left: 3px solid var(--accent); padding-left: 34px; }

.prose-side h2 {
  grid-column: 1 / 4;
  font-size: 1.5rem;
  padding-right: 24px;
}
.prose-side .body { grid-column: 4 / 10; }
.prose-side { row-gap: 0; margin-bottom: 64px; }
.prose-side:last-child { margin-bottom: 0; }

/* ---------- pie ---------- */

.site-foot { padding-bottom: 72px; }
.site-foot .rule { grid-column: 1 / 13; margin-bottom: 40px; }

.foot-name {
  grid-column: 1 / 13;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.2;
  margin: 0 0 44px;
}

.foot-nav { grid-column: 1 / 6; }
.foot-nav ul { list-style: none; margin: 0; padding: 0; }
.foot-nav li { margin-bottom: 10px; }
.foot-nav a { color: var(--ink); text-decoration: none; border-bottom: 1px solid #cbb9a2; }
.foot-nav a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.foot-info { grid-column: 7 / 13; }
.foot-info p { font-size: 16px; margin-bottom: 18px; }
.foot-info .caption { font-size: 14px; }

/* ---------- adaptación ---------- */

@media (max-width: 1000px) {
  .wrap { padding: 0 28px; }
  .grid { column-gap: 24px; }

  .col-5-l, .col-5-r, .col-6-l, .col-6-m,
  .col-7-l, .col-7-r, .col-9-l, .col-9-r { grid-column: 1 / 13; }

  .hero-head { grid-column: 1 / 13; }
  .hero-intro { grid-column: 1 / 13; }
  .topic-line { grid-column: 1 / 13; margin-top: 32px; }

  .fig-main { grid-column: 1 / 13; margin-right: -28px; }
  .fig-detail { grid-column: 1 / 13; }
  .dark-text { grid-column: 1 / 13; margin-top: 40px; }

  .rule-l, .rule-c, .rule-r { grid-column: 1 / 7; }

  .prose-side h2 { grid-column: 1 / 13; padding-right: 0; margin-bottom: 20px; }
  .prose-side .body { grid-column: 1 / 13; }

  .brand { grid-column: 1 / 13; }
  .site-nav { grid-column: 1 / 13; }
  .site-nav ul { justify-content: flex-start; }

  .foot-nav, .foot-info { grid-column: 1 / 13; }
  .foot-info { margin-top: 36px; }
}

@media (max-width: 700px) {
  body { font-size: 17px; line-height: 1.85; }
  .wrap { padding: 0 20px; }

  .s-lg, .s-dark { padding-block: 64px; }
  .s-sm { padding-block: 40px; }
  .hero { padding-top: 56px; padding-bottom: 40px; }
  .page-head { padding-top: 56px; padding-bottom: 36px; }

  h1 .l2 { padding-left: 6%; }
  h1 .l3 { padding-left: 12%; }

  .hero-head, .page-head .col-9-l { padding-left: 20px; }

  .fig-main { flex-direction: column; margin-right: -20px; gap: 14px; }
  .fig-main .caption {
    writing-mode: horizontal-tb;
    transform: none;
    white-space: normal;
    padding-right: 20px;
  }

  .lead { font-size: 19px; }
  .checklist li { padding-left: 58px; }
  .checklist li::before { font-size: 1.55rem; }
  .site-foot { padding-bottom: 52px; }
}

/* ---------- utilidades de composición ---------- */

.pt-lg { padding-top: 56px; }
.pt-md { padding-top: 40px; }
.pt-sm { padding-top: 24px; }
.align-end { align-self: end; }

@media (max-width: 700px) {
  .pt-lg { padding-top: 36px; }
  .pt-md { padding-top: 28px; }
  .pt-sm { padding-top: 20px; }
}