/* Propuesta B — Herbario nocturno
   Verde profundo, crema, terracota. Láminas numeradas, márgenes de libro. */

:root {
  --noche: #22372a;
  --noche-2: #2a4334;
  --crema: #efe6d4;
  --crema-tenue: #c8bfae;
  --terracota: #c4673f;
  --agua: #6f9aa0;
  --filete: rgba(239, 230, 212, 0.18);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Avenir Next", Avenir, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--noche);
  color: var(--crema);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.06rem);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(80rem 40rem at 50% -10%, rgba(196, 103, 63, 0.10), transparent 60%),
    radial-gradient(60rem 30rem at 90% 110%, rgba(111, 154, 160, 0.10), transparent 60%);
}

a { color: var(--crema); text-decoration-color: var(--terracota); text-underline-offset: 0.3em; }
a:hover { color: var(--terracota); }
:focus-visible { outline: 2px solid var(--terracota); outline-offset: 4px; }

/* Cabeza */

.cabeza {
  position: relative;
  text-align: center;
  padding: clamp(3rem, 9vh, 6rem) 1.5rem clamp(2rem, 6vh, 4rem);
  border-bottom: 1px solid var(--filete);
}

.sello {
  margin: 0 0 2.5rem;
  font-size: 0.64rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--crema-tenue);
}

.cabeza h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.8rem, 9vw, 6.4rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
}
.cabeza h1 span { font-style: italic; color: var(--terracota); }

.lema {
  margin: 1.5rem 0 2.5rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--agua);
}

.cabeza nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem 2rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.cabeza nav a { text-decoration: none; color: var(--crema-tenue); }
.cabeza nav a:hover { color: var(--terracota); }

/* Portada */

.entrada {
  max-width: 66rem;
  margin-inline: auto;
  padding: clamp(3rem, 8vw, 5.5rem) clamp(1.5rem, 5vw, 4rem);
}

.gran {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 1.1rem + 1.6vw, 2.35rem);
  line-height: 1.35;
  max-width: 26ch;
  color: var(--crema);
}

.datos {
  display: grid;
  gap: 2rem;
  margin: clamp(2.5rem, 6vw, 4rem) 0 0;
  padding-top: 1.75rem;
  border-top: 1px solid var(--filete);
}
@media (min-width: 760px) { .datos { grid-template-columns: repeat(3, 1fr); } }

.datos dt {
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--terracota);
  margin-bottom: 0.5rem;
}
.datos dd {
  margin: 0;
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--crema-tenue);
}

/* Láminas */

.lamina {
  display: grid;
  gap: 1rem;
  max-width: 66rem;
  margin-inline: auto;
  padding: clamp(3rem, 8vw, 5rem) clamp(1.5rem, 5vw, 4rem);
  border-top: 1px solid var(--filete);
}

@media (min-width: 880px) {
  .lamina { grid-template-columns: 8rem minmax(0, 1fr); gap: 3.5rem; }
}

.folio {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--crema-tenue);
}
.folio strong {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0;
  color: var(--agua);
  font-weight: 400;
}

h2 {
  margin: 0 0 1.75rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
}

h3 {
  margin: 0 0 0.35rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.22rem;
}

p { margin: 0 0 1.1rem; max-width: 60ch; }

.gran-2 {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1rem + 0.8vw, 1.5rem);
  line-height: 1.45;
  color: var(--crema);
  max-width: 40ch;
  margin-bottom: 2.25rem;
}

.al-margen {
  margin-top: 2rem;
  padding-left: 1.25rem;
  border-left: 1px solid var(--terracota);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--crema-tenue);
  max-width: 52ch;
}

/* Pasos */

.pasos {
  list-style: none;
  counter-reset: n;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}
@media (min-width: 700px) { .pasos { grid-template-columns: 1fr 1fr; } }

.pasos li { border-top: 1px solid var(--filete); padding-top: 1rem; }
.pasos b {
  display: block;
  margin-bottom: 0.6rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  color: var(--terracota);
}
.pasos p { margin: 0; font-size: 0.92rem; color: var(--crema-tenue); max-width: 34ch; }

/* Curso */

.invitacion {
  display: grid;
  gap: 1.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--filete);
  border-bottom: 1px solid var(--filete);
}
@media (min-width: 620px) { .invitacion { grid-template-columns: auto 1fr; gap: 3rem; } }

.fecha {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0;
  font-family: var(--serif);
  color: var(--terracota);
}
.fecha span { font-size: clamp(3.4rem, 7vw, 4.8rem); line-height: 0.8; }
.fecha small {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  line-height: 1.6;
  color: var(--crema-tenue);
}

.meta {
  margin-top: 1rem;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--agua);
}

/* Aliados */

.aliados { list-style: none; margin: 0; padding: 0; }
.aliados li {
  display: grid;
  gap: 0.2rem 2rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--filete);
}
@media (min-width: 700px) { .aliados li { grid-template-columns: 14rem 1fr; align-items: baseline; } }
.aliados strong { font-family: var(--serif); font-weight: 400; font-size: 1.08rem; }
.aliados span { color: var(--crema-tenue); font-size: 0.94rem; }

/* Cierre */

.cierre { padding-bottom: clamp(4rem, 10vw, 7rem); }
.direccion { font-family: var(--serif); font-size: 1.25rem; line-height: 1.6; }

footer {
  border-top: 1px solid var(--filete);
  padding: 2.5rem clamp(1.5rem, 5vw, 4rem);
  max-width: 66rem;
  margin-inline: auto;
  font-size: 0.78rem;
  color: var(--crema-tenue);
}
footer p { margin: 0 0 0.4rem; max-width: none; }

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

/* Marca — espiral del huerto */
.marca-espiral {
  display: block;
  width: 54px; height: 54px;
  margin: 0 auto 0.9rem;
  background: var(--terracota);
  -webkit-mask: url(../assets/marca/espiral.svg) center / contain no-repeat;
  mask: url(../assets/marca/espiral.svg) center / contain no-repeat;
}