/* ==========================================================================
   Vientofinoq — hoja de estilo
   Cuaderno de navegación a vela desde el Delta del Paraná
   ========================================================================== */

:root {
  --color-primary: #12495C;
  --color-primary-dark: #0B3040;
  --color-secondary: #DCE9ED;
  --color-accent: #D2662C;
  --color-neutral-dark: #0E1D24;
  --color-neutral-light: #F5F9FA;
  --color-line: #C9DCE2;
  --color-muted: #55707A;

  --font-heading: 'Spectral', Georgia, 'Times New Roman', serif;
  --font-body: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --max-w: 1120px;
  --radius: 3px;
  --rhythm: 1.6rem;
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.72;
  color: var(--color-neutral-dark);
  background: var(--color-neutral-light);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.22;
  margin: 0 0 .55em;
  color: var(--color-primary-dark);
}
h1 { font-size: clamp(2rem, 1.2rem + 3.4vw, 3.15rem); letter-spacing: -.015em; }
h2 { font-size: clamp(1.55rem, 1.15rem + 1.8vw, 2.2rem); }
h3 { font-size: 1.18rem; }

p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

a { color: var(--color-primary); text-underline-offset: 3px; }
a:hover { color: var(--color-accent); }

ul, ol { padding-left: 1.15em; }
li + li { margin-top: .35em; }

:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--color-primary-dark); color: #fff; padding: .7rem 1.1rem;
}
.skip-link:focus { left: 0; color: #fff; }

/* --- Estructura ----------------------------------------------------------- */

.container { width: min(100% - 2.4rem, var(--max-w)); margin-inline: auto; }
.container--narrow { width: min(100% - 2.4rem, 700px); }

.section { padding: clamp(3rem, 2rem + 5vw, 5.5rem) 0; }
.section--tinted { background: var(--color-secondary); }
.section--ink { background: var(--color-primary-dark); color: rgba(255,255,255,.84); }
.section--ink h2, .section--ink h3 { color: #fff; }

.kicker {
  display: flex; align-items: center; gap: .65rem;
  font-size: .74rem; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 1rem;
}
.kicker::before {
  content: ''; width: 28px; height: 2px;
  background: var(--color-accent); flex: none;
}

.intro { font-size: 1.14rem; color: var(--color-muted); }

.block-head { max-width: 44rem; margin-bottom: 2.4rem; }

/* --- Botones -------------------------------------------------------------- */

.button {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600; font-size: .95rem; line-height: 1.2;
  letter-spacing: .02em;
  padding: .9rem 1.5rem;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff; text-decoration: none; cursor: pointer;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}
.button:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }

.button--outline { background: transparent; color: var(--color-primary); }
.button--outline:hover { background: var(--color-primary); color: #fff; }

.button--onDark { background: var(--color-accent); border-color: var(--color-accent); }
.button--onDark:hover { background: #B8541F; border-color: #B8541F; }

.button-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.7rem; }

/* --- Cabecera ------------------------------------------------------------- */

.masthead {
  background: var(--color-neutral-light);
  border-bottom: 1px solid var(--color-line);
  position: relative; z-index: 100;
}
.masthead-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.4rem; min-height: 74px;
}

.logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.logo img { width: 32px; height: 32px; }
.logo-word {
  font-family: var(--font-heading); font-size: 1.28rem; font-weight: 600;
  color: var(--color-primary-dark);
}
.logo-word em {
  display: block; font-style: normal;
  font-family: var(--font-body); font-size: .62rem;
  letter-spacing: .22em; text-transform: uppercase; color: var(--color-muted);
}

.nav ul { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.nav li { margin: 0; }
.nav a {
  text-decoration: none; color: var(--color-neutral-dark);
  font-size: .93rem; font-weight: 500;
  padding: .3rem 0; position: relative;
}
.nav a:hover { color: var(--color-accent); }
.nav a.is-current::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--color-accent);
}

.masthead-side { display: flex; align-items: center; gap: .75rem; }
.masthead-side .button { padding: .62rem 1.05rem; font-size: .87rem; }

.burger {
  display: none; width: 42px; height: 42px;
  align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--color-line);
  border-radius: var(--radius); cursor: pointer;
}
.burger span, .burger span::before, .burger span::after {
  display: block; width: 19px; height: 2px; background: var(--color-primary-dark);
}
.burger span { position: relative; }
.burger span::before, .burger span::after { content: ''; position: absolute; left: 0; }
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }

/* --- Hero a pantalla completa --------------------------------------------- */

.hero--fullscreen {
  position: relative;
  min-height: clamp(460px, 62vh, 660px);
  display: flex; align-items: flex-end;
  background: var(--color-primary-dark);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11,48,64,.12) 0%, rgba(11,48,64,.55) 56%, rgba(11,48,64,.88) 100%),
    linear-gradient(90deg, rgba(11,48,64,.7) 0%, rgba(11,48,64,.34) 52%, rgba(11,48,64,0) 82%);
}
.hero-body {
  position: relative;
  padding: 3.5rem 0 3.2rem;
  color: #fff;
  max-width: 40rem;
}
.hero-body h1 { color: #fff; }
.hero-body p { color: rgba(255,255,255,.88); font-size: 1.12rem; }
.hero-body .kicker { color: #F0B58B; }
.hero-body .kicker::before { background: #F0B58B; }

.hero-meta {
  list-style: none; margin: 1.8rem 0 0; padding: 1.3rem 0 0;
  border-top: 1px solid rgba(255,255,255,.26);
  display: flex; flex-wrap: wrap; gap: 1rem 2.2rem;
  font-size: .87rem; color: rgba(255,255,255,.8);
}
.hero-meta li { margin: 0; }
.hero-meta strong { color: #fff; }

/* --- Tarjetas ------------------------------------------------------------- */

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));
  gap: 1.6rem;
}

.tile {
  background: var(--color-neutral-light);
  border-top: 3px solid var(--color-accent);
  padding: 1.7rem 1.5rem 1.8rem;
}
.section--tinted .tile { background: #fff; }
.tile-mark {
  width: 40px; height: 40px; margin-bottom: 1rem;
  color: var(--color-primary);
}
.tile-mark svg { width: 100%; height: 100%; }
.tile h3 { margin-bottom: .4rem; }
.tile p { font-size: .96rem; color: var(--color-muted); }

/* --- Bloque de dos columnas ----------------------------------------------- */

.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.8rem, 1rem + 3.5vw, 3rem);
  align-items: center;
}
.duo img { border-radius: var(--radius); }

/* --- Lista de notas ------------------------------------------------------- */

.log { list-style: none; padding: 0; margin: 0; }
.log li { margin: 0; border-bottom: 1px solid var(--color-line); }
.log a {
  display: grid; grid-template-columns: 7.5rem 1fr;
  gap: 1.4rem; align-items: baseline;
  padding: 1.5rem 0; text-decoration: none; color: inherit;
}
.log a:hover h3 { color: var(--color-accent); }
.log time {
  font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--color-muted);
}
.log h3 { margin: 0 0 .35rem; }
.log p { font-size: .96rem; color: var(--color-muted); margin: 0; }

/* --- Cita ----------------------------------------------------------------- */

.pull {
  max-width: 44rem; margin: 0 auto; text-align: center;
  padding: 0 1rem;
}
.pull blockquote {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 1rem + 1.2vw, 1.68rem);
  line-height: 1.45; font-style: italic;
  color: var(--color-primary-dark);
}
.pull cite {
  display: block; margin-top: 1.2rem;
  font-family: var(--font-body); font-style: normal;
  font-size: .76rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--color-muted);
}

/* --- Banda de llamada ----------------------------------------------------- */

.cta-band {
  background: var(--color-primary);
  color: rgba(255,255,255,.88);
  padding: clamp(2.6rem, 2rem + 3vw, 4rem) 0;
}
.cta-band h2 { color: #fff; }
.cta-band p { max-width: 38rem; }
.cta-band-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
}
.cta-band .button-row { margin-top: 0; }

/* --- Contenido ------------------------------------------------------------ */

.prose h2 { margin-top: 2.3rem; }
.prose h3 { margin-top: 1.7rem; }
.prose > :first-child { margin-top: 0; }

.aside-note {
  border-left: 3px solid var(--color-accent);
  background: var(--color-secondary);
  padding: 1rem 1.25rem;
  font-size: .96rem;
  margin: 1.7rem 0;
}

.def { margin: 1.5rem 0 0; }
.def dt { font-weight: 700; margin-top: 1rem; }
.def dd { margin: .2rem 0 0; color: var(--color-muted); }

.ticks { list-style: none; padding: 0; margin: 1.8rem 0 0; }
.ticks li { position: relative; padding-left: 1.6rem; margin-top: .8rem; }
.ticks li::before {
  content: ''; position: absolute; left: 0; top: .55em;
  width: 8px; height: 8px; background: var(--color-accent);
  transform: rotate(45deg);
}

/* --- Formulario ----------------------------------------------------------- */

.form-rows { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.3rem; margin-top: 1.9rem; }
.row { display: flex; flex-direction: column; gap: .3rem; }
.row--wide { grid-column: 1 / -1; }
.row label { font-size: .85rem; font-weight: 700; letter-spacing: .02em; }
.row input, .row select, .row textarea {
  font-family: inherit; font-size: 1rem;
  padding: .7rem .8rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #fff; color: inherit;
}
.row textarea { min-height: 150px; resize: vertical; }
.hint { font-size: .8rem; color: var(--color-muted); font-weight: 400; }
.consent {
  display: flex; gap: .55rem; align-items: flex-start;
  font-size: .89rem; grid-column: 1 / -1;
}
.consent input { margin-top: .3rem; }

/* --- Pie ------------------------------------------------------------------ */

.colophon {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,.72);
  padding: 3.2rem 0 1.9rem;
  font-size: .94rem;
}
.colophon-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr; gap: 2.2rem; }
.colophon h4 {
  color: #fff; font-family: var(--font-body);
  font-size: .74rem; letter-spacing: .2em; text-transform: uppercase;
  margin-bottom: .9rem;
}
.colophon a { color: rgba(255,255,255,.8); text-decoration: none; }
.colophon a:hover { color: #F0B58B; text-decoration: underline; }
.colophon ul { list-style: none; padding: 0; margin: 0; }
.colophon li + li { margin-top: .45rem; }
.colophon-name { font-family: var(--font-heading); font-size: 1.25rem; color: #fff; margin-bottom: .45rem; }
.colophon-bottom {
  margin-top: 2.4rem; padding-top: 1.3rem;
  border-top: 1px solid rgba(255,255,255,.15);
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: .7rem 1.5rem; font-size: .84rem;
}
.colophon-legal { display: flex; flex-wrap: wrap; gap: .7rem 1.3rem; }

/* --- Cookies -------------------------------------------------------------- */

.cookie-banner {
  position: fixed; inset-inline: 1rem; bottom: 1rem; z-index: 150;
  max-width: 540px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
  box-shadow: 0 16px 44px -18px rgba(14,29,36,.55);
  padding: 1.3rem 1.4rem;
  display: none;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner h3 { font-size: 1.02rem; margin-bottom: .35rem; }
.cookie-banner p { font-size: .89rem; color: var(--color-muted); }
.cookie-options { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; margin: .85rem 0 1rem; font-size: .85rem; }
.cookie-options label { display: flex; gap: .4rem; align-items: center; }
.cookie-actions { display: flex; flex-wrap: wrap; gap: .55rem; }
.cookie-actions .button { padding: .58rem 1rem; font-size: .86rem; }

/* --- Utilidades ----------------------------------------------------------- */

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.centered { text-align: center; }

/* --- Adaptación ----------------------------------------------------------- */

@media (max-width: 940px) {
  .colophon-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .duo { grid-template-columns: 1fr; }
  /* encuadre: al recortar en vertical, dejamos el velero a la vista */
  .hero-bg { object-position: 72% center; }
}

@media (max-width: 760px) {
  .burger { display: flex; }
  .masthead-side > .button { display: none; }
  .nav {
    position: absolute; inset-inline: 0; top: 100%;
    background: var(--color-neutral-light);
    border-bottom: 1px solid var(--color-line);
    display: none; padding: .8rem 1.2rem 1.3rem;
  }
  .nav.is-open { display: block; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav li + li { border-top: 1px solid var(--color-line); }
  .nav a { display: block; padding: .78rem 0; }
  .masthead-inner { position: relative; min-height: 64px; }
  .form-rows { grid-template-columns: 1fr; }
  .colophon-grid { grid-template-columns: 1fr; gap: 1.7rem; }
  .cta-band-inner { flex-direction: column; align-items: flex-start; }
  .log a { grid-template-columns: 1fr; gap: .4rem; }
}

@media (max-width: 520px) {
  body { font-size: 1rem; }
  .container, .container--narrow { width: min(100% - 1.7rem, var(--max-w)); }
  .cookie-banner { inset-inline: .6rem; bottom: .6rem; padding: 1.05rem 1.05rem; }
  .hero-meta { gap: .8rem 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: .01ms !important; }
}

@media print {
  .masthead, .cookie-banner, .cta-band, .button-row { display: none !important; }
  body { background: #fff; }
}