/* decartapicerias.com — gris piedra, tarjetas blancas, botones azul cobalto y verde menta */

:root {
  --g-fondo: #d8dce2;
  --g-fondo-2: #cdd2d9;
  --g-humo: #eef0f3;
  --g-tarjeta: #ffffff;
  --g-grafito: #2b3038;
  --g-grafito-2: #3a414c;
  --g-texto: #222831;
  --g-texto-2: #4c5562;
  --g-linea: #c3c9d1;
  --g-linea-2: #aab2bd;

  --g-azul: #1f5fd6;
  --g-azul-hi: #3274ec;
  --g-azul-lo: #1849a8;
  --g-azul-tenue: #e3ecfc;
  --g-verde: #12a150;
  --g-verde-hi: #17b85c;
  --g-verde-lo: #0d7e3e;
  --g-verde-tenue: #def5e7;
  --g-blanco: #ffffff;

  --g-titulo: "Sora", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --g-cuerpo: "Nunito Sans", "Segoe UI", Roboto, Arial, sans-serif;

  --g-ancho: 1200px;
  --g-pad: clamp(1rem, 4vw, 2.4rem);
  --g-cab: 70px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--g-cab) + 20px);
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation: none !important; }
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent 420px),
    repeating-linear-gradient(45deg, rgba(43, 48, 56, 0.025) 0 2px, transparent 2px 9px),
    var(--g-fondo);
  color: var(--g-texto);
  font-family: var(--g-cuerpo);
  font-size: 1.05rem;
  line-height: 1.72;
}

body.dk-noscroll { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
p { margin: 0 0 1em; }

:focus-visible { outline: 3px solid var(--g-azul); outline-offset: 3px; border-radius: 6px; }
[tabindex="-1"]:focus { outline: none; }

.dk-salto {
  position: absolute;
  top: -80px;
  left: 12px;
  z-index: 900;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  background: var(--g-azul);
  color: var(--g-blanco);
  font-weight: 700;
  text-decoration: none;
}
.dk-salto:focus { top: 12px; }

.dk-marco { width: min(100% - 2 * var(--g-pad), var(--g-ancho)); margin-inline: auto; }

/* ---------- botones ---------- */

.dk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 48px;
  padding: 0.7rem 1.45rem;
  border: 0;
  border-radius: 10px;
  font-family: var(--g-titulo);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}
.dk-btn::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: currentColor;
  opacity: 0.55;
  transform: rotate(45deg);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.dk-btn:hover::before { transform: rotate(225deg); opacity: 1; }
.dk-btn:active { transform: translateY(1px) scale(0.98); }

.dk-btn--azul { background: var(--g-azul); color: var(--g-blanco); box-shadow: 0 8px 18px -10px rgba(31, 95, 214, 0.9); }
.dk-btn--azul:hover { background: var(--g-azul-hi); box-shadow: 0 12px 24px -10px rgba(31, 95, 214, 1); }
.dk-btn--azul:active { background: var(--g-azul-lo); }

.dk-btn--verde { background: var(--g-verde); color: var(--g-blanco); box-shadow: 0 8px 18px -10px rgba(18, 161, 80, 0.9); }
.dk-btn--verde:hover { background: var(--g-verde-hi); box-shadow: 0 12px 24px -10px rgba(18, 161, 80, 1); }
.dk-btn--verde:active { background: var(--g-verde-lo); }

.dk-btn--xl { min-height: 56px; padding: 0.9rem 1.85rem; font-size: 1rem; }

/* ---------- cabecera ---------- */

.dk-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--g-grafito);
  color: var(--g-blanco);
  box-shadow: 0 10px 24px -18px rgba(0, 0, 0, 0.8);
}
.dk-header::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, var(--g-azul) 0 50%, var(--g-verde) 50% 100%); }
.dk-header__in {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: var(--g-cab);
  width: min(100% - 2 * var(--g-pad), var(--g-ancho));
  margin-inline: auto;
}

.dk-logo { display: inline-flex; align-items: center; gap: 0.6rem; flex-shrink: 0; color: var(--g-blanco); text-decoration: none; }
.dk-logo__mark {
  display: grid;
  place-items: center;
  height: 38px;
  padding: 0 0.7rem;
  border-radius: 8px;
  background: var(--g-blanco);
  color: var(--g-grafito);
  font-family: var(--g-titulo);
  font-size: 1.2rem;
  font-weight: 800;
  box-shadow: 3px 3px 0 var(--g-azul);
}
.dk-logo__geo { color: #9fb6dd; font-family: var(--g-titulo); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; }

.dk-nav { margin-left: auto; }
.dk-nav ul { display: flex; gap: 0.15rem; margin: 0; padding: 0; list-style: none; }
.dk-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 0.75rem;
  border-radius: 8px;
  color: #c4cad3;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.dk-nav__link:hover { color: var(--g-blanco); background: rgba(255, 255, 255, 0.08); }
.dk-nav__link[aria-current="true"] { color: var(--g-blanco); background: var(--g-grafito-2); box-shadow: inset 0 -3px 0 var(--g-verde); }

.dk-header__cta { min-height: 44px; padding: 0.5rem 1.1rem; font-size: 0.88rem; white-space: nowrap; }

.dk-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  min-height: 46px;
  padding: 0 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  background: var(--g-grafito-2);
  color: var(--g-blanco);
  font-family: var(--g-cuerpo);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
}
.dk-toggle__ico { position: relative; width: 18px; height: 2px; background: var(--g-blanco); }
.dk-toggle__ico::before,
.dk-toggle__ico::after { content: ""; position: absolute; right: 0; height: 2px; }
.dk-toggle__ico::before { top: -6px; width: 18px; background: var(--g-azul-hi); }
.dk-toggle__ico::after { top: 6px; width: 12px; background: var(--g-verde-hi); }

/* cajón lateral derecho */

.dk-drawer { position: fixed; inset: 0; z-index: 400; display: flex; justify-content: flex-end; background: rgba(26, 30, 36, 0.55); }
.dk-drawer[hidden] { display: none; }
.dk-drawer__in {
  display: flex;
  flex-direction: column;
  width: min(88vw, 380px);
  height: 100%;
  padding: 1rem 1.1rem 1.4rem;
  overflow-y: auto;
  background: var(--g-humo);
  box-shadow: -20px 0 40px -20px rgba(0, 0, 0, 0.6);
  animation: dk-entra 0.25s ease;
}
@keyframes dk-entra { from { transform: translateX(100%); } to { transform: none; } }
.dk-drawer__top { display: flex; align-items: center; justify-content: space-between; min-height: 52px; margin-bottom: 1rem; padding: 0.4rem 0.6rem; border-radius: 12px; background: var(--g-grafito); }
.dk-drawer__x {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 10px;
  background: var(--g-grafito-2);
  color: var(--g-blanco);
  cursor: pointer;
}
.dk-drawer__l { display: grid; gap: 0.4rem; margin: 0; padding: 0; list-style: none; counter-reset: dk-d; }
.dk-drawer__l li { counter-increment: dk-d; }
.dk-drawer__a {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-height: 52px;
  padding: 0 1rem;
  border-radius: 10px;
  background: var(--g-tarjeta);
  border: 1px solid var(--g-linea);
  color: var(--g-texto);
  font-weight: 700;
  text-decoration: none;
}
.dk-drawer__a::before { content: counter(dk-d, decimal-leading-zero); color: var(--g-azul); font-family: var(--g-titulo); font-size: 0.8rem; }
.dk-drawer__a:hover { border-color: var(--g-azul); background: var(--g-azul-tenue); }
.dk-drawer__ctas { display: grid; gap: 0.6rem; margin-top: auto; padding-top: 1.3rem; }

/* ---------- portada ---------- */

.dk-cover { padding: clamp(2rem, 5vw, 4rem) 0 clamp(2.4rem, 5vw, 4rem); }
.dk-cover__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(1.8rem, 4vw, 3.4rem); align-items: center; }

.dk-cover__media { position: sticky; top: calc(var(--g-cab) + 34px); align-self: start; margin: 14px 0 0 14px; }
.dk-cover__media img {
  width: 100%;
  aspect-ratio: 1380 / 752;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 14px 14px 0 var(--g-grafito), 0 30px 50px -30px rgba(0, 0, 0, 0.6);
}
.dk-cover__media::after {
  content: "";
  position: absolute;
  top: -14px;
  left: -14px;
  width: 90px;
  height: 90px;
  border-top: 4px solid var(--g-verde);
  border-left: 4px solid var(--g-verde);
  border-radius: 18px 0 0 0;
}

.dk-cover__copy { padding: clamp(1.4rem, 3vw, 2.2rem); border-radius: 18px; background: var(--g-tarjeta); box-shadow: 0 24px 40px -30px rgba(0, 0, 0, 0.5); }
.dk-h1 {
  margin: 0 0 1rem;
  color: var(--g-grafito);
  font-family: var(--g-titulo);
  font-size: clamp(1.9rem, 1.3rem + 2.3vw, 3rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.dk-h1::after { content: ""; display: block; width: 72px; height: 5px; margin-top: 0.9rem; border-radius: 3px; background: linear-gradient(90deg, var(--g-azul) 0 60%, var(--g-verde) 60%); }
.dk-cover__copy p { color: var(--g-texto-2); }
.dk-cover__btns { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.4rem; }

/* ---------- paneles ---------- */

.dk-flow { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(1.4rem, 3vw, 2rem); max-width: 1000px; padding-bottom: clamp(3rem, 6vw, 5rem); }
.dk-flow > * { min-width: 0; }

.dk-panel {
  position: relative;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  border-radius: 18px;
  background: var(--g-tarjeta);
  box-shadow: 0 1px 0 var(--g-linea), 0 20px 36px -30px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}
.dk-panel__head { display: contents; }
.dk-panel__idx {
  grid-row: 1 / span 2;
  display: flex;
  align-items: center;
  padding-top: 1.6rem;
  background: var(--g-grafito);
  color: var(--g-blanco);
  font-family: var(--g-titulo);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.dk-panel:nth-child(odd) .dk-panel__idx { box-shadow: inset -4px 0 0 var(--g-azul); }
.dk-panel:nth-child(even) .dk-panel__idx { box-shadow: inset -4px 0 0 var(--g-verde); }
.dk-h2 {
  grid-column: 2;
  margin: 0;
  padding: clamp(1.3rem, 3vw, 2rem) clamp(1.2rem, 3vw, 2rem) 0.9rem;
  color: var(--g-grafito);
  font-family: var(--g-titulo);
  font-size: clamp(1.4rem, 1.12rem + 1.15vw, 2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.dk-panel__body { grid-column: 2; padding: 0 clamp(1.2rem, 3vw, 2rem) clamp(1.3rem, 3vw, 2rem); }
.dk-panel__body > :last-child,
.dk-recuadro > :last-child { margin-bottom: 0; }

.dk-recuadro { margin-top: 1.3rem; padding: 1.1rem 1.25rem; border-radius: 12px; background: var(--g-humo); border-left: 4px solid var(--g-linea-2); }
.dk-panel__body > .dk-recuadro:first-child { margin-top: 0; }
.dk-h3 {
  margin: 0 0 0.6rem;
  color: var(--g-azul-lo);
  font-family: var(--g-titulo);
  font-size: clamp(1.04rem, 0.98rem + 0.35vw, 1.2rem);
  font-weight: 700;
  line-height: 1.3;
}

.dk-accion { margin: 1.5rem 0 0.3rem; }

/* tablas */

.dk-tbl {
  margin: 1.1rem 0;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--g-linea);
  background: var(--g-blanco);
  -webkit-overflow-scrolling: touch;
}
.dk-tbl table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.dk-tbl--ancha table { min-width: 560px; }
.dk-tbl thead th {
  padding: 0.8rem 1rem;
  background: var(--g-grafito);
  color: var(--g-blanco);
  font-family: var(--g-titulo);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: left;
}
.dk-tbl tbody th,
.dk-tbl tbody td,
.dk-tbl tfoot th,
.dk-tbl tfoot td { padding: 0.7rem 1rem; text-align: left; vertical-align: top; }
.dk-tbl tbody tr + tr > * { border-top: 1px solid #e3e6ea; }
.dk-tbl tbody tr:nth-child(even) { background: #f6f7f9; }
.dk-tbl tbody th { color: var(--g-grafito); font-weight: 700; }
.dk-tbl tbody tr:hover { background: var(--g-azul-tenue); }
.dk-tbl tfoot { background: var(--g-verde-tenue); }
.dk-tbl tfoot th,
.dk-tbl tfoot td { color: var(--g-verde-lo); font-weight: 800; border-top: 2px solid var(--g-verde); }

/* listas */

.dk-items { display: grid; gap: 0.5rem; margin: 0 0 1rem; padding: 0; list-style: none; }
.dk-items li { position: relative; padding-left: 1.5rem; }
.dk-items li::before { content: ""; position: absolute; top: 0.6em; left: 0.2rem; width: 0.55rem; height: 0.55rem; border-radius: 2px; background: var(--g-verde); }

.dk-steps { display: grid; gap: 0; margin: 0 0 1.1rem; padding: 0; list-style: none; counter-reset: dk-s; border-radius: 12px; overflow: hidden; border: 1px solid var(--g-linea); }
.dk-steps li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  align-items: center;
  min-height: 52px;
  background: var(--g-blanco);
  counter-increment: dk-s;
  line-height: 1.45;
}
.dk-steps li + li { border-top: 1px solid var(--g-linea); }
.dk-steps li::before {
  content: counter(dk-s);
  display: grid;
  place-items: center;
  height: 100%;
  background: var(--g-azul-tenue);
  color: var(--g-azul);
  font-family: var(--g-titulo);
  font-weight: 800;
}
.dk-steps li { padding-right: 1rem; }
.dk-steps li > * { padding-left: 1rem; }
.dk-steps li { column-gap: 1rem; }

/* preguntas */

.dk-dudas { display: grid; gap: 0.6rem; }
.dk-duda__it { border-radius: 12px; background: var(--g-humo); border: 1px solid var(--g-linea); }
.dk-duda__it[open] { background: var(--g-blanco); border-color: var(--g-azul); box-shadow: 0 10px 24px -18px rgba(31, 95, 214, 0.8); }
.dk-duda__s { display: flex; align-items: center; gap: 0.9rem; min-height: 58px; padding: 0.85rem 1.1rem; list-style: none; cursor: pointer; }
.dk-duda__s::-webkit-details-marker { display: none; }
.dk-duda__s::after {
  content: "";
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin-left: auto;
  border-radius: 8px;
  background:
    linear-gradient(var(--g-blanco), var(--g-blanco)) center / 12px 2px no-repeat,
    linear-gradient(var(--g-blanco), var(--g-blanco)) center / 2px 12px no-repeat,
    var(--g-azul);
  transition: transform 0.25s ease, background-color 0.2s ease;
}
.dk-duda__it[open] .dk-duda__s::after {
  transform: rotate(45deg);
  background:
    linear-gradient(var(--g-blanco), var(--g-blanco)) center / 12px 2px no-repeat,
    linear-gradient(var(--g-blanco), var(--g-blanco)) center / 2px 12px no-repeat,
    var(--g-verde);
}
.dk-duda__n { flex-shrink: 0; color: var(--g-verde); font-family: var(--g-titulo); font-weight: 800; }
.dk-duda__q { margin: 0; color: var(--g-grafito); font-family: var(--g-titulo); font-size: 1rem; font-weight: 700; line-height: 1.4; }
.dk-duda__r { padding: 0 1.1rem 1.1rem calc(1.1rem + 1.4rem + 0.9rem); color: var(--g-texto-2); }
.dk-duda__r p { margin: 0; }

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

.dk-pie { background: var(--g-grafito); color: #d6dbe2; }
.dk-pie .dk-logo { color: var(--g-blanco); }
.dk-pie__rej { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 2rem; align-items: start; padding: 2.8rem 0 1.6rem; }
.dk-pie__edad { display: flex; align-items: center; gap: 0.7rem; margin: 1rem 0 0; color: #aeb6c1; font-size: 0.93rem; }
.dk-edad { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 8px; border: 2px solid var(--g-verde-hi); color: var(--g-verde-hi); font-size: 0.82rem; font-weight: 800; }
.dk-pie__nav ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.1rem 1.4rem; margin: 0; padding: 0; list-style: none; }
.dk-pie__nav a { display: inline-block; padding: 0.4rem 0; color: #d6dbe2; font-weight: 600; text-decoration: none; }
.dk-pie__nav a:hover { color: var(--g-blanco); text-decoration: underline; text-decoration-color: var(--g-azul-hi); text-underline-offset: 4px; }
.dk-pie__btns { display: grid; gap: 0.7rem; }
.dk-pie__copy { margin: 0; padding: 1rem 0 1.6rem; border-top: 1px solid rgba(255, 255, 255, 0.12); color: #aeb6c1; font-size: 0.88rem; }

.dk-top-btn {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--g-azul);
  color: var(--g-blanco);
  box-shadow: 4px 4px 0 var(--g-grafito);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s;
}
.dk-top-btn.dk-top-btn--ver { opacity: 1; visibility: visible; }

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

@media (max-width: 1180px) {
  .dk-nav { display: none; }
  .dk-toggle { display: inline-flex; }
  .dk-header__cta { margin-left: auto; }
}

@media (max-width: 900px) {
  .dk-cover__grid { grid-template-columns: minmax(0, 1fr); }
  .dk-cover__media { position: relative; top: auto; margin: 0.8rem 0.9rem 0.6rem; }
  .dk-pie__rej { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 560px) {
  :root { --g-cab: 62px; }
  body { font-size: 1rem; }
  .dk-logo__geo { display: none; }
  .dk-toggle__txt { display: none; }
  .dk-toggle { width: 46px; padding: 0; justify-content: center; }
  .dk-header__cta { padding: 0.5rem 0.8rem; font-size: 0.82rem; }
  .dk-header__cta::before { display: none; }
  .dk-cover__btns .dk-btn,
  .dk-accion .dk-btn { width: 100%; }
  .dk-panel { grid-template-columns: 40px minmax(0, 1fr); }
  .dk-panel__idx { font-size: 0.9rem; padding-top: 1.2rem; }
  .dk-h2 { padding: 1.1rem 1rem 0.8rem; }
  .dk-panel__body { padding: 0 1rem 1.1rem; }
  .dk-recuadro { padding: 1rem; }
  .dk-duda__r { padding-left: 1.1rem; }
}