/* ==========================================================================
   IBERFLAKES — Sistema de diseño
   Comercio internacional de PET triturado y derivados plásticos

   Estructura del archivo
   01. Tokens (color, tipografía, espacio, movimiento)
   02. Reset y base
   03. Tipografía y utilidades de texto
   04. Layout (contenedor, rejilla, secciones)
   05. Componentes (botón, cabecera, tarjeta, etiqueta, hairline…)
   06. Bloques de página (hero, compañía, materiales, comercio…)
   07. Pie de página
   08. Movimiento y revelado al hacer scroll
   09. Responsive
   10. Impresión y preferencias de accesibilidad
   ========================================================================== */

/* ==========================================================================
   01. TOKENS
   ========================================================================== */

:root {
  /* --- Color -------------------------------------------------------------
     Base: blanco cálido próximo a RAL 9010 sobre el que se apoya todo.
     Los dos acentos (verde técnico, azul industrial) se usan con extrema
     contención: líneas, iconos, un dato. Nunca como fondo dominante.       */

  --c-bg:            #F6F5F1;  /* blanco cálido — fondo de página        */
  --c-bg-deep:       #EFEDE6;  /* franja alterna, sutil                  */
  --c-surface:       #FFFFFF;  /* tarjetas, superficies elevadas         */
  --c-ink:           #14171A;  /* grafito — titulares                    */
  --c-ink-2:         #3D454B;  /* cuerpo de texto                        */
  --c-ink-3:         #6B747B;  /* texto secundario, metadatos            */
  --c-line:          #E3E1DA;  /* hairline estándar                      */
  --c-line-strong:   #CFCCC2;  /* hairline con más presencia             */

  --c-green:         #1B6B4F;  /* verde técnico — sostenibilidad         */
  --c-green-ink:     #12513C;  /* verde para texto sobre claro           */
  --c-green-soft:    #E7EFEB;
  --c-blue:          #2E4C6D;  /* azul industrial — comercio, logística  */
  --c-blue-ink:      #243C57;
  --c-blue-soft:     #E8EDF3;

  --c-inverse-bg:    #101315;  /* secciones en negativo                  */
  --c-inverse-ink:   #F3F2EE;
  --c-inverse-ink-2: #A8AEB3;
  --c-inverse-line:  #2A2F33;

  --c-focus:         #2E4C6D;

  /* --- Tipografía --------------------------------------------------------
     Para autoalojar Inter / Satoshi / Manrope: ver README.md → Tipografía.
     Mientras tanto el stack de sistema mantiene el carácter geométrico.   */

  --f-sans: "Inter", "InterVariable", -apple-system, BlinkMacSystemFont,
            "Segoe UI Variable Display", "Segoe UI", Roboto, "Helvetica Neue",
            Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SF Mono", "Cascadia Mono",
            Consolas, monospace;

  /* Escala fluida — se apoya en clamp() para no necesitar breakpoints      */
  --t-display: clamp(2.75rem, 1.4rem + 5.6vw, 6.5rem);
  --t-h1:      clamp(2.25rem, 1.3rem + 3.8vw, 4.25rem);
  --t-h2:      clamp(1.75rem, 1.15rem + 2.4vw, 3rem);
  --t-h3:      clamp(1.25rem, 1.05rem + 0.8vw, 1.625rem);
  --t-h4:      clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  --t-lead:    clamp(1.0625rem, 0.98rem + 0.5vw, 1.375rem);
  --t-body:    1.0625rem;
  --t-small:   0.9375rem;
  --t-micro:   0.8125rem;

  --lh-tight: 1.05;
  --lh-snug:  1.2;
  --lh-body:  1.65;

  --ls-display: -0.03em;
  --ls-head:    -0.02em;
  --ls-label:   0.14em;

  /* --- Espacio (escala de 4 px) ------------------------------------------ */
  --s-1:  0.25rem;
  --s-2:  0.5rem;
  --s-3:  0.75rem;
  --s-4:  1rem;
  --s-5:  1.5rem;
  --s-6:  2rem;
  --s-7:  2.5rem;
  --s-8:  3rem;
  --s-9:  4rem;
  --s-10: 5rem;
  --s-11: 6.5rem;
  --s-12: 8rem;

  --section-y: clamp(4.5rem, 3rem + 7vw, 9.5rem);
  --gutter:    clamp(1.25rem, 0.6rem + 2.6vw, 3rem);
  --measure:   68ch;   /* longitud de línea cómoda   */
  --measure-n: 54ch;   /* longitud de línea estrecha */

  --container: 1280px;
  --container-narrow: 940px;

  --radius:    2px;    /* casi recto: lenguaje industrial */
  --radius-lg: 4px;

  /* --- Movimiento --------------------------------------------------------- */
  --ease:      cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast:  160ms;
  --dur:       320ms;
  --dur-slow:  760ms;

  --header-h: 76px;
}

/* ==========================================================================
   02. RESET Y BASE
   ========================================================================== */

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  font-family: var(--f-sans);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  color: var(--c-ink-2);
  background-color: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "liga" 1, "cv11" 1;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

a { color: inherit; }

ul, ol { list-style: none; padding: 0; }

:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 3px;
  border-radius: 1px;
}

::selection {
  background: var(--c-ink);
  color: var(--c-bg);
}

/* Salto al contenido — obligatorio para navegación por teclado */
.skip-link {
  position: absolute;
  left: var(--s-4);
  top: -100px;
  z-index: 999;
  padding: var(--s-3) var(--s-5);
  background: var(--c-ink);
  color: var(--c-bg);
  font-size: var(--t-small);
  text-decoration: none;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: var(--s-4); }

/* ==========================================================================
   03. TIPOGRAFÍA
   ========================================================================== */

h1, h2, h3, h4 {
  color: var(--c-ink);
  font-weight: 600;
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-head);
  text-wrap: balance;
}

h1 { font-size: var(--t-h1); line-height: var(--lh-tight); letter-spacing: var(--ls-display); }
h2 { font-size: var(--t-h2); line-height: 1.12; }
h3 { font-size: var(--t-h3); }
h4 { font-size: var(--t-h4); }

p { text-wrap: pretty; }

strong { color: var(--c-ink); font-weight: 600; }

.lead {
  font-size: var(--t-lead);
  line-height: 1.5;
  color: var(--c-ink-2);
  max-width: var(--measure);
  letter-spacing: -0.011em;
}

/* Sólo para lectores de pantalla */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.text-measure   { max-width: var(--measure); }
.text-measure-n { max-width: var(--measure-n); }
.text-muted     { color: var(--c-ink-3); }
.text-small     { font-size: var(--t-small); }
.text-micro     { font-size: var(--t-micro); }

/* Etiqueta de sección: 01 / MATERIALES — el gesto más “industrial” del set */
.eyebrow {
  display: inline-flex;
  align-items: baseline;
  gap: var(--s-3);
  font-size: var(--t-micro);
  font-weight: 500;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--c-ink-3);
}
.eyebrow__num {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--c-blue);
  letter-spacing: 0.04em;
}
.eyebrow--inverse       { color: var(--c-inverse-ink-2); }
.eyebrow--inverse .eyebrow__num { color: var(--c-inverse-ink); }

/* Claim en inglés bajo el titular principal */
.claim-en {
  font-size: var(--t-small);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-ink-3);
  font-weight: 500;
}

/* ==========================================================================
   04. LAYOUT
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--section-y); position: relative; }
.section--tight  { padding-block: calc(var(--section-y) * 0.62); }
.section--alt    { background: var(--c-bg-deep); }
.section--surface{ background: var(--c-surface); }

/* Franja teñida de azul: rompe la sucesión de blancos sin recurrir al negro */
.section--tint {
  background:
    radial-gradient(120% 80% at 88% 0%, rgba(46, 76, 109, .07) 0%, rgba(46, 76, 109, 0) 60%),
    linear-gradient(180deg, #F2F4F7 0%, #EDF0F4 100%);
  border-block: 1px solid #DFE4EA;
}

.section--inverse {
  background: var(--c-inverse-bg);
  color: var(--c-inverse-ink-2);
}
.section--inverse h2,
.section--inverse h3,
.section--inverse h4,
.section--inverse strong { color: var(--c-inverse-ink); }
.section--inverse .lead  { color: var(--c-inverse-ink-2); }

/* Encabezado de sección: etiqueta + titular + entradilla */
.section-head {
  display: grid;
  gap: var(--s-5);
  margin-bottom: var(--s-9);
}
.section-head__title { max-width: 22ch; }
.section-head--split {
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
}
@media (min-width: 900px) {
  .section-head--split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    column-gap: var(--s-9);
  }
  .section-head--split .eyebrow { grid-column: 1 / -1; }
}

/* Rejillas */
.grid { display: grid; gap: var(--s-6); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 17.5rem), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }

.hairline {
  border: 0;
  border-top: 1px solid var(--c-line);
  margin: 0;
}
.section--inverse .hairline { border-top-color: var(--c-inverse-line); }

/* ==========================================================================
   05. COMPONENTES
   ========================================================================== */

/* --- Botones ------------------------------------------------------------- */
.btn {
  /* El azul industrial es el color de acción de la marca. El grafito queda
     para el texto: un botón negro lee a editorial, no a compañía. */
  --btn-bg: var(--c-blue);
  --btn-fg: #FFFFFF;
  --btn-bd: var(--c-blue);

  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  padding: 0.9375rem var(--s-6);
  min-height: 52px;
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: var(--t-small);
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur-fast) var(--ease);
}
.btn:hover  { --btn-bg: var(--c-blue-ink); --btn-bd: var(--c-blue-ink); }
.btn:active { transform: translateY(1px); }

/* Elevación mínima: da presencia sin ensuciar el blanco */
.btn:not(.btn--ghost):not(.btn--inverse-ghost) {
  box-shadow: 0 1px 2px rgba(20, 23, 26, .10), 0 8px 20px -12px rgba(46, 76, 109, .55);
}
.btn:not(.btn--ghost):not(.btn--inverse-ghost):hover {
  box-shadow: 0 2px 4px rgba(20, 23, 26, .12), 0 14px 28px -14px rgba(46, 76, 109, .65);
}

.btn__arrow {
  transition: transform var(--dur) var(--ease-out);
  flex: none;
}
.btn:hover .btn__arrow { transform: translateX(4px); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--c-ink);
  --btn-bd: var(--c-line-strong);
}
.btn--ghost:hover {
  --btn-bg: transparent;
  --btn-fg: var(--c-ink);
  --btn-bd: var(--c-ink);
}

.btn--inverse {
  --btn-bg: var(--c-inverse-ink);
  --btn-fg: var(--c-inverse-bg);
  --btn-bd: var(--c-inverse-ink);
}
.btn--inverse:hover { --btn-bg: #FFFFFF; --btn-bd: #FFFFFF; }

.btn--inverse-ghost {
  --btn-bg: transparent;
  --btn-fg: var(--c-inverse-ink);
  --btn-bd: #3A4045;
}
.btn--inverse-ghost:hover { --btn-bd: var(--c-inverse-ink); --btn-bg: transparent; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-4);
  align-items: center;
}

/* --- Enlace con subrayado animado ---------------------------------------- */
.link {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  color: var(--c-ink);
  text-decoration: none;
  font-weight: 500;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  padding-bottom: 2px;
  transition: background-size var(--dur) var(--ease-out), color var(--dur) var(--ease);
}
.link:hover { background-size: 100% 1px; }
.link--inverse { color: var(--c-inverse-ink); }

/* --- Cabecera ------------------------------------------------------------- */
.header {
  position: fixed;
  inset: 3px 0 auto 0;   /* 3px = altura del filete de marca */
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--c-bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    height var(--dur) var(--ease);
}
.header.is-scrolled {
  height: 64px;
  background: color-mix(in srgb, var(--c-bg) 94%, transparent);
  border-bottom-color: var(--c-line);
}

.header__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
}

/* --- Logotipo ------------------------------------------------------------
   Identidad puramente tipográfica. Sin símbolo: ningún hexágono, hoja,
   flecha de reciclaje, engranaje ni globo terráqueo, que son códigos
   prestados de otros sectores. El contraste de peso IBER/FLAKES es todo
   el gesto que necesita la marca.

   Variantes disponibles (ver logotipo.html):
     .logo             → A · Contraste de peso   (por defecto)
     .logo--mono       → B · Peso único
     .logo--dot        → C · Peso único + punto geométrico
   -------------------------------------------------------------------- */

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.34em;
  text-decoration: none;
  color: var(--c-ink);
  flex: none;
  font-size: var(--logo-size, 1.0625rem);
  line-height: 1;
  white-space: nowrap;
}

.logo__word {
  display: inline-block;
  font-weight: 600;
  letter-spacing: 0.155em;
  /* La última letra arrastra el tracking; se compensa para centrar ópticamente */
  margin-right: -0.155em;
  line-height: 1;
}
/* “FLAKES” aligera el bloque y da el aire fresco sin recurrir a un símbolo */
.logo__word span { font-weight: 300; }

/* B · Peso único: más silencioso, mejor para tamaños muy pequeños */
.logo--mono .logo__word { font-weight: 500; }
.logo--mono .logo__word span { font-weight: 500; }

/* C · Punto geométrico: un cuadrado girado, forma neutra sin lectura sectorial */
.logo--dot .logo__word { font-weight: 500; }
.logo--dot .logo__word span { font-weight: 500; }
.logo--dot { gap: 0.2em; }
.logo--dot::after {
  content: "";
  width: 0.28em;
  height: 0.28em;
  background: currentColor;
  transform: rotate(14deg);
  flex: none;
}

/* Tamaños */
.logo--sm { --logo-size: 0.9375rem; }
.logo--lg { --logo-size: 1.5rem; }
.logo--xl { --logo-size: 2.5rem; }

/* Navegación de escritorio */
.nav { display: none; }
@media (min-width: 1020px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--s-7);
  }
}
.nav__link {
  position: relative;
  font-size: var(--t-small);
  font-weight: 450;
  color: var(--c-ink-2);
  text-decoration: none;
  padding-block: var(--s-2);
  transition: color var(--dur-fast) var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 100%;
  background: var(--c-ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}
.nav__link:hover { color: var(--c-ink); }
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--c-ink); }

.header__cta { display: none; }
@media (min-width: 1020px) { .header__cta { display: inline-flex; } }
.header__cta.btn { min-height: 44px; padding: 0.625rem var(--s-5); }

/* Botón hamburguesa */
.burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  border: 0;
  background: transparent;
  cursor: pointer;
}
@media (min-width: 1020px) { .burger { display: none; } }
.burger__bar {
  height: 1.5px;
  width: 100%;
  background: var(--c-ink);
  transition: transform var(--dur) var(--ease), opacity var(--dur-fast) var(--ease);
}
.burger[aria-expanded="true"] .burger__bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__bar:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] .burger__bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Panel de navegación móvil */
.mobile-nav {
  position: fixed;
  inset: calc(var(--header-h) + 3px) 0 0 0;
  z-index: 99;
  background: var(--c-bg);
  padding: var(--s-7) var(--gutter) var(--s-9);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    visibility var(--dur);
}
.mobile-nav.is-open { opacity: 1; visibility: visible; transform: none; }
@media (min-width: 1020px) { .mobile-nav { display: none; } }

.mobile-nav__list { display: grid; }
.mobile-nav__link {
  display: flex;
  align-items: baseline;
  gap: var(--s-4);
  padding-block: var(--s-4);
  border-bottom: 1px solid var(--c-line);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: var(--ls-head);
  color: var(--c-ink);
  text-decoration: none;
}
.mobile-nav__num {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--c-ink-3);
}
.mobile-nav__foot { margin-top: var(--s-8); display: grid; gap: var(--s-4); }

body.is-locked { overflow: hidden; }

/* --- Tarjeta genérica ----------------------------------------------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  padding: var(--s-6);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition:
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease);
}
.card {
  box-shadow: 0 1px 2px rgba(20, 23, 26, .04);
}
/* Filete de acento que aparece al pasar por encima */
.card::before,
.material::before {
  content: "";
  position: absolute;
  inset: -1px -1px auto -1px;
  height: 2px;
  background: var(--c-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}
.card:hover::before,
.material:hover::before { transform: scaleX(1); }

.card:hover {
  border-color: var(--c-line-strong);
  transform: translateY(-3px);
  box-shadow: 0 2px 4px rgba(20, 23, 26, .06), 0 22px 48px -30px rgba(20, 23, 26, .55);
}
.card__icon { color: var(--c-blue); }
.card__title { font-size: var(--t-h4); }
.card__text { font-size: var(--t-small); color: var(--c-ink-3); }

.card--inverse {
  background: transparent;
  border-color: var(--c-inverse-line);
}
.card--inverse:hover { border-color: #3E464B; box-shadow: none; }
.card--inverse .card__text { color: var(--c-inverse-ink-2); }
.card--inverse .card__icon { color: var(--c-inverse-ink); }

/* --- Lista numerada de rasgos (Por qué IBERFLAKES) ------------------------ */
.feature {
  display: grid;
  gap: var(--s-3);
  padding-top: var(--s-5);
  border-top: 1px solid var(--c-line);
}
.feature__num {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--c-blue);
}
.feature__title { font-size: var(--t-h4); }
.feature__text { font-size: var(--t-small); color: var(--c-ink-3); }

/* --- Lista de especificaciones -------------------------------------------- */
.spec {
  display: grid;
  gap: var(--s-2);
  font-size: var(--t-small);
}
.spec__row {
  display: grid;
  grid-template-columns: minmax(0, 8.5rem) minmax(0, 1fr);
  gap: var(--s-3);
  padding-block: var(--s-3);
  border-top: 1px solid var(--c-line);
}
.spec__key { color: var(--c-ink-3); }
.spec__val { color: var(--c-ink-2); }
.card--inverse .spec__row { border-top-color: var(--c-inverse-line); }

/* --- Lista con marca de verificación fina --------------------------------- */
.ticks { display: grid; gap: var(--s-4); }
.ticks li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: var(--s-4);
  align-items: start;
  font-size: var(--t-small);
}
.ticks svg { margin-top: 5px; color: var(--c-green); flex: none; }
.section--inverse .ticks svg { color: #6FBF9C; }

/* ==========================================================================
   06. BLOQUES DE PÁGINA
   ========================================================================== */

/* --- HERO ----------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(3.5rem, 2rem + 7vw, 8rem));
  padding-bottom: clamp(3.5rem, 2rem + 6vw, 7rem);
  overflow: hidden;
  isolation: isolate;
}

/* Telón de fondo: degradado suave + composición de “flakes” en SVG.
   Sustituible por fotografía real — ver README.md → Fotografía.            */
.hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 78% 8%,  rgba(46, 76, 109, 0.10) 0%, rgba(46, 76, 109, 0) 58%),
    radial-gradient(90%  80% at 12% 92%, rgba(27, 107, 79, 0.09) 0%, rgba(27, 107, 79, 0) 60%),
    linear-gradient(180deg, #FBFAF8 0%, var(--c-bg) 62%);
}
.hero__flakes {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.9;
}

.hero__grid {
  display: grid;
  gap: var(--s-8);
  align-items: end;
}
@media (min-width: 1020px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    column-gap: var(--s-10);
  }
}

.hero__title {
  font-size: var(--t-display);
  line-height: 0.98;
  letter-spacing: var(--ls-display);
  font-weight: 600;
  max-width: 15ch;
}
.hero__title em {
  font-style: normal;
  color: var(--c-ink-3);
}
.hero__lead { margin-top: var(--s-6); max-width: 46ch; }
.hero__actions { margin-top: var(--s-8); }

/* Columna derecha del hero: tres apuntes cualitativos, sin cifras inventadas */
.hero__aside {
  display: grid;
  gap: var(--s-5);
  padding-top: var(--s-5);
  border-top: 1px solid var(--c-line-strong);
}
.hero__fact { display: grid; gap: var(--s-1); }
.hero__fact dt {
  font-size: var(--t-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--c-ink-3);
}
.hero__fact dd {
  margin: 0;
  font-size: var(--t-h4);
  font-weight: 500;
  color: var(--c-ink);
  letter-spacing: -0.015em;
}

/* Franja de rasgos bajo el hero */
.strip {
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: color-mix(in srgb, var(--c-surface) 60%, transparent);
}
.strip__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
}
.strip__item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-5) var(--s-5) var(--s-5) 0;
  font-size: var(--t-small);
  color: var(--c-ink-2);
  border-right: 1px solid var(--c-line);
}
.strip__item:last-child { border-right: 0; }
.strip__item svg { color: var(--c-blue); flex: none; }
@media (max-width: 719px) {
  .strip__item { border-right: 0; border-bottom: 1px solid var(--c-line); padding-block: var(--s-4); }
  .strip__item:last-child { border-bottom: 0; }
}

/* --- COMPAÑÍA -------------------------------------------------------------- */
.company {
  display: grid;
  gap: var(--s-9);
}
@media (min-width: 1020px) {
  .company {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: var(--s-11);
    align-items: start;
  }
}
.company__body { display: grid; gap: var(--s-5); }
.company__body p { max-width: var(--measure); }

.company__visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, #FFFFFF 0%, #EFEDE6 100%);
  overflow: hidden;
}
.company__visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.company__caption {
  position: absolute;
  left: var(--s-5);
  right: var(--s-5);
  bottom: var(--s-5);
  font-size: var(--t-micro);
  letter-spacing: 0.04em;
  color: var(--c-ink-3);
  text-transform: uppercase;
}

/* --- MATERIALES ------------------------------------------------------------ */
.material {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
  padding: var(--s-6);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgba(20, 23, 26, .04);
  transition:
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease);
}
.material:hover {
  border-color: var(--c-line-strong);
  transform: translateY(-3px);
  box-shadow: 0 2px 4px rgba(20, 23, 26, .06), 0 22px 48px -30px rgba(20, 23, 26, .55);
}

.material__swatch {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-bg-deep);
  position: relative;
}
.material__swatch svg { width: 100%; height: 100%; }
.material__head { display: grid; gap: var(--s-2); }
.material__tag {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-blue);
}
.material__text { font-size: var(--t-small); color: var(--c-ink-3); }
.material__foot { margin-top: auto; }

/* --- COMERCIO INTERNACIONAL (negativo) ------------------------------------- */
.trade {
  display: grid;
  gap: var(--s-9);
}
@media (min-width: 1020px) {
  .trade {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    column-gap: var(--s-11);
    align-items: start;
  }
}
.trade__steps { display: grid; }
.trade__step {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: var(--s-5);
  padding-block: var(--s-6);
  border-top: 1px solid var(--c-inverse-line);
}
.trade__step:last-child { border-bottom: 1px solid var(--c-inverse-line); }
.trade__step-num {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: #7E8A93;
  padding-top: 5px;
}
.trade__step-body { display: grid; gap: var(--s-2); }
.trade__step-text { font-size: var(--t-small); color: var(--c-inverse-ink-2); }

/* --- SOSTENIBILIDAD -------------------------------------------------------- */
.sustain {
  display: grid;
  gap: var(--s-9);
}
@media (min-width: 1020px) {
  .sustain {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: var(--s-11);
    align-items: center;
  }
}
.sustain__visual {
  aspect-ratio: 5 / 4;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, #FFFFFF 0%, var(--c-green-soft) 100%);
  overflow: hidden;
  position: relative;
}
.sustain__visual svg { width: 100%; height: 100%; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-4);
  border: 1px solid var(--c-line-strong);
  border-radius: 100px;
  font-size: var(--t-micro);
  letter-spacing: 0.04em;
  color: var(--c-ink-2);
  background: var(--c-surface);
}
.pill svg { color: var(--c-green); }
.pill-row { display: flex; flex-wrap: wrap; gap: var(--s-3); }

/* --- CTA ------------------------------------------------------------------- */
.cta {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding-block: clamp(4rem, 2.5rem + 6vw, 7.5rem);
  background: var(--c-inverse-bg);
  color: var(--c-inverse-ink-2);
}
.cta__glow {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(70% 120% at 88% 0%, rgba(46, 76, 109, 0.42) 0%, rgba(46, 76, 109, 0) 62%),
    radial-gradient(60% 110% at 6% 100%, rgba(27, 107, 79, 0.30) 0%, rgba(27, 107, 79, 0) 62%);
}
.cta__inner {
  display: grid;
  gap: var(--s-7);
  align-items: end;
}
@media (min-width: 900px) {
  .cta__inner { grid-template-columns: minmax(0, 1.15fr) auto; column-gap: var(--s-9); }
}
.cta__title {
  color: var(--c-inverse-ink);
  font-size: var(--t-h2);
  max-width: 20ch;
}
.cta__text { color: var(--c-inverse-ink-2); max-width: 52ch; margin-top: var(--s-4); }

/* --- CONTACTO -------------------------------------------------------------- */
.contact {
  display: grid;
  gap: var(--s-8);
}
@media (min-width: 1020px) {
  .contact {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    column-gap: var(--s-11);
    align-items: start;
  }
}
.contact__cards { display: grid; gap: var(--s-5); }
@media (min-width: 620px) {
  .contact__cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.contact-card {
  display: grid;
  gap: var(--s-4);
  padding: var(--s-6);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}
.contact-card__role {
  font-size: var(--t-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--c-ink-3);
}
.contact-card__name { font-size: var(--t-h4); }
.contact-card__list { display: grid; gap: var(--s-3); }
.contact-card__item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: var(--s-3);
  align-items: center;
  font-size: var(--t-small);
}
.contact-card__item svg { color: var(--c-ink-3); flex: none; }
.contact-card__item a { text-decoration: none; color: var(--c-ink); font-weight: 500; }
.contact-card__item a:hover { text-decoration: underline; text-underline-offset: 3px; }
.contact-card__pending { color: var(--c-ink-3); font-style: italic; }

/* ==========================================================================
   07. PIE DE PÁGINA
   ========================================================================== */

.footer {
  background: var(--c-inverse-bg);
  color: var(--c-inverse-ink-2);
  padding-top: var(--s-10);
  padding-bottom: var(--s-6);
  font-size: var(--t-small);
}
.footer a { color: inherit; text-decoration: none; }
.footer a:hover { color: var(--c-inverse-ink); }

.footer__top {
  display: grid;
  gap: var(--s-8);
  padding-bottom: var(--s-9);
}
@media (min-width: 900px) {
  .footer__top {
    grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
    column-gap: var(--s-7);
  }
}
.footer__brand { display: grid; gap: var(--s-4); align-content: start; }
.footer__brand .logo { color: var(--c-inverse-ink); }
.footer__about { color: var(--c-inverse-ink-2); max-width: 38ch; font-size: var(--t-small); }

.footer__colhead {
  font-size: var(--t-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: #7E8A93;
  margin-bottom: var(--s-4);
}
.footer__list { display: grid; gap: var(--s-3); }

.footer__statement {
  padding-block: var(--s-7);
  border-top: 1px solid var(--c-inverse-line);
  border-bottom: 1px solid var(--c-inverse-line);
  color: var(--c-inverse-ink);
  font-size: clamp(1.0625rem, 0.95rem + 0.8vw, 1.5rem);
  letter-spacing: -0.015em;
  max-width: 34ch;
  line-height: 1.35;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-4) var(--s-6);
  justify-content: space-between;
  align-items: center;
  padding-top: var(--s-6);
  font-size: var(--t-micro);
  color: #7E8A93;
}
.footer__legal { display: flex; flex-wrap: wrap; gap: var(--s-5); }

/* ==========================================================================
   08. MOVIMIENTO — revelado al hacer scroll
   ========================================================================== */

/* El estado oculto sólo existe si el JS ha confirmado que puede revelarlo:
   la clase .reveal-ready la pone main.js tras crear el IntersectionObserver.
   Sin JS, sin IO, o si el observer no entrega callbacks (documento oculto,
   pestaña en segundo plano, motor de renderizado de un buscador), el
   contenido se ve. Nunca una página en blanco por culpa de una animación. */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.reveal-ready [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* Deriva muy lenta de los “flakes” del hero */
@keyframes drift {
  0%   { transform: translate3d(0, 0, 0) rotate(0deg); }
  50%  { transform: translate3d(0, -12px, 0) rotate(1.2deg); }
  100% { transform: translate3d(0, 0, 0) rotate(0deg); }
}
.flake-a { animation: drift 15s var(--ease) infinite; transform-origin: center; }
.flake-b { animation: drift 19s var(--ease) infinite reverse; transform-origin: center; }
.flake-c { animation: drift 23s var(--ease) infinite; transform-origin: center; }

/* ==========================================================================
   09. RESPONSIVE — ajustes puntuales
   ========================================================================== */

@media (max-width: 1019px) {
  :root { --header-h: 68px; }
  .hero__aside { margin-top: var(--s-4); }
}

@media (max-width: 619px) {
  .btn { width: 100%; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .spec__row { grid-template-columns: minmax(0, 1fr); gap: var(--s-1); }
}

/* Pantallas muy anchas: el texto no debe estirarse sin control */
@media (min-width: 1600px) {
  :root { --container: 1360px; }
}

/* ==========================================================================
   10. ACCESIBILIDAD E IMPRESIÓN
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

@media (prefers-contrast: more) {
  :root {
    --c-ink-2: #23292E;
    --c-ink-3: #4A5257;
    --c-line: #C8C5BC;
  }
}

@media print {
  .header, .mobile-nav, .burger, .hero__flakes, .cta { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding-block: 1.5rem; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.75em; }
}

/* ==========================================================================
   10 bis. COMPONENTES CORPORATIVOS
   ========================================================================== */

/* Filete de marca en el borde superior de la página */
.topline {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 101;
  background: linear-gradient(90deg, var(--c-blue) 0%, var(--c-blue) 62%, var(--c-green) 100%);
}

/* --- Panel de datos (columna derecha del hero) ---------------------------
   Convierte tres apuntes sueltos en un bloque con peso institucional.     */
.datapanel {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgba(20, 23, 26, .04), 0 30px 60px -42px rgba(20, 23, 26, .55);
  overflow: hidden;
}
.datapanel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-4) var(--s-5);
  background: var(--c-blue);
  color: #FFFFFF;
  font-size: var(--t-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
}
.datapanel__body { padding: var(--s-2) var(--s-5) var(--s-5); margin: 0; }
.datapanel__row {
  display: grid;
  gap: var(--s-1);
  padding-block: var(--s-4);
  border-bottom: 1px solid var(--c-line);
}
.datapanel__row:last-child { border-bottom: 0; padding-bottom: 0; }
.datapanel__row dt {
  font-size: var(--t-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--c-ink-3);
}
.datapanel__row dd {
  margin: 0;
  font-size: var(--t-h4);
  font-weight: 500;
  color: var(--c-ink);
  letter-spacing: -0.015em;
  line-height: 1.3;
}

/* --- Banda de datos societarios ------------------------------------------
   Todo verificable en el Registro Mercantil. Es la pieza que más
   credibilidad aporta por unidad de espacio.                              */
.creds {
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
}
.cred {
  background: var(--c-surface);
  padding: var(--s-5);
  display: grid;
  gap: var(--s-2);
  align-content: start;
}
.cred__key {
  font-size: var(--t-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--c-ink-3);
}
.cred__val {
  font-size: var(--t-body);
  font-weight: 500;
  color: var(--c-ink);
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}
.cred__val--mono { font-family: var(--f-mono); font-size: var(--t-small); letter-spacing: 0; }

/* --- Tabla técnica -------------------------------------------------------- */
.tbl-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}
.tbl {
  width: 100%;
  min-width: 46rem;
  border-collapse: collapse;
  font-size: var(--t-small);
}
.tbl th,
.tbl td {
  text-align: left;
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--c-line);
  vertical-align: top;
}
.tbl thead th {
  background: var(--c-bg-deep);
  font-size: var(--t-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--c-ink-3);
  font-weight: 500;
  white-space: nowrap;
}
.tbl tbody tr:last-child th,
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr { transition: background-color var(--dur-fast) var(--ease); }
.tbl tbody tr:hover { background: var(--c-blue-soft); }
.tbl tbody th {
  font-weight: 600;
  color: var(--c-ink);
  white-space: nowrap;
}
.tbl td { color: var(--c-ink-2); }

/* ==========================================================================
   11. PÁGINAS DE TEXTO LARGO (legal, privacidad, cookies)
   ========================================================================== */

.page-head {
  padding-top: calc(var(--header-h) + clamp(3rem, 2rem + 4vw, 5.5rem));
  padding-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem);
  border-bottom: 1px solid var(--c-line);
}
.page-head__title { max-width: 20ch; margin-top: var(--s-5); }
.page-head__meta {
  margin-top: var(--s-5);
  font-size: var(--t-micro);
  letter-spacing: 0.04em;
  color: var(--c-ink-3);
  text-transform: uppercase;
}

.prose { max-width: var(--measure); }
.prose > * + * { margin-top: var(--s-5); }
.prose h2 {
  font-size: var(--t-h3);
  margin-top: var(--s-9);
  padding-top: var(--s-5);
  border-top: 1px solid var(--c-line);
}
.prose h3 { font-size: var(--t-h4); margin-top: var(--s-7); }
.prose ul { display: grid; gap: var(--s-3); padding-left: var(--s-5); }
.prose ul li { list-style: disc; }
.prose ul li::marker { color: var(--c-ink-3); }
.prose a { color: var(--c-ink); text-underline-offset: 3px; }
.prose dl { display: grid; gap: var(--s-3); }
.prose dt {
  font-size: var(--t-micro);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--c-ink-3);
}
.prose dd { margin: 0 0 var(--s-4) 0; color: var(--c-ink-2); }

/* Aviso de bloqueo: la página no debe publicarse mientras esté presente */
.notice {
  display: grid;
  gap: var(--s-3);
  padding: var(--s-5) var(--s-6);
  border: 1px solid #D9B84A;
  border-left-width: 3px;
  border-radius: var(--radius);
  background: #FFF9E8;
  color: #5E4A10;
  font-size: var(--t-small);
}
.notice strong { color: #4A3A08; }

/* --------------------------------------------------------------------------
   Marcador de contenido pendiente de dato real.
   Visible a propósito: nada con esta clase debe llegar a producción.
   -------------------------------------------------------------------------- */
.pending {
  background: #FFF3CD;
  border-bottom: 1px dashed #B8912A;
  color: #6B5410;
  padding: 0 4px;
  font-style: normal;
}