/* =====================================================================
   Concepto 11.15, S. de R.L. de C.V.
   Sitio institucional — hoja de estilos
   Estética: institucional / financiera / premium
   Paleta basada en el logotipo: gris, púrpura (berenjena) y verde olivo
   ===================================================================== */

:root {
  /* --- Colores de marca (tomados del logotipo) --- */
  --purple:      #40185F;   /* berenjena: color principal */
  --purple-700:  #311048;   /* berenjena oscuro */
  --purple-900:  #495026;   /* olivo oscuro (secciones oscuras) */
  --purple-300:  #8A6BA6;   /* lavanda apagado (texto sobre oscuro) */
  --olive:       #47511F;   /* olivo: acento secundario */
  --olive-bright:#8A9A3A;   /* olivo luminoso (acento sobre oscuro) */
  --gray:        #686461;   /* gris del logotipo */
  --gray-500:    #8B8884;
  --gray-200:    #E4E1E6;

  /* --- Superficies y texto --- */
  --white:     #FFFFFF;
  --bg:        #FFFFFF;
  --bg-alt:    #F6F4F8;   /* lavanda muy claro */
  --surface:   #FFFFFF;
  --text:      #2B2433;   /* gris-berenjena muy oscuro (no negro puro) */
  --text-soft: #5C5566;
  --line:      #E6E2EA;

  /* --- Tipografías --- */
  --font-display: "Archivo", Georgia, sans-serif;
  --font-body:    "Hanken Grotesk", system-ui, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  /* --- Espaciado / radios / sombras / transición --- */
  --space-section: clamp(4.5rem, 9vw, 9rem);
  --radius:    4px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(43,20,60,.08), 0 4px 14px rgba(43,20,60,.06);
  --shadow-md: 0 10px 40px rgba(43,20,60,.14);
  --shadow-dark: 0 16px 50px rgba(32,10,48,.45);
  --ease: cubic-bezier(.16,.84,.34,1);
  --t-fast: .25s var(--ease);
  --t: .45s var(--ease);

  --maxw: 1240px;

  /* --- Logotipo embebido --- */
  --logo-color: url("img/LogoC11.svg");
  --logo-light: url("img/LogoC11min.svg");
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, iframe { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.08; font-weight: 800; letter-spacing: -.02em; color: var(--text); }
p { color: var(--text-soft); }
strong { color: var(--text); font-weight: 600; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 3rem); }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--purple); color: #fff; padding: .75rem 1.25rem; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Eyebrow / detalles editoriales ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.1vw, 1.5rem); letter-spacing: .16em; text-transform: uppercase; font-weight: 700;
  color: var(--purple); display: flex; align-items: center; gap: .85rem; margin-bottom: 1.4rem;
}
.eyebrow .tick { width: 28px; height: 2px; background: var(--olive-bright); display: inline-block; flex: none; }
.title-nowrap { white-space: nowrap; }
.eyebrow-light { color: var(--olive-bright); font-weight: 700; }
.eyebrow-light .tick { background: var(--olive-bright); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase;
  padding: .95rem 1.6rem; border: 1px solid transparent; border-radius: var(--radius);
  cursor: pointer; transition: transform var(--t-fast), background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  font-weight: 600; line-height: 1; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-accent { background: var(--purple); color: #fff; }
.btn-accent:hover { background: var(--purple-700); }
.btn-dark { background: var(--olive); color: #fff; }
.btn-dark:hover { background: #3a431a; }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost-light:hover { border-color: var(--olive-bright); color: var(--olive-bright); }
.btn-block { width: 100%; }

/* =====================================================================
   ENCABEZADO
   ===================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.88);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--t-fast), background var(--t-fast);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 1rem; }

.brand { display: inline-flex; align-items: center; }
.brand-logo {
  display: block; width: 168px; height: 46px;
  background-image: var(--logo-color);
  background-repeat: no-repeat; background-position: left center; background-size: contain;
}
.brand-logo--light { background-image: var(--logo-light); width: 190px; height: 52px; }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav-list { display: flex; list-style: none; padding: 0; gap: 1.4rem; align-items: center; }
.nav-link {
  font-size: .82rem; font-weight: 500; color: var(--gray); position: relative; padding: .35rem 0;
  transition: color var(--t-fast);
}
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0; background: var(--purple);
  transition: width var(--t-fast);
}
.nav-link:hover { color: var(--purple); }
.nav-link:hover::after { width: 100%; }
.nav-cta { padding: .7rem 1.15rem; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 26px; height: 2px; background: var(--purple); transition: transform var(--t-fast), opacity var(--t-fast); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================================================================
   HERO
   ===================================================================== */
.hero {
  position: relative; background: var(--purple-900); color: #fff; overflow: hidden;
  padding-top: clamp(3.5rem, 7vw, 6rem);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(138,154,58,.20), transparent 58%),
    radial-gradient(1000px 700px at 12% 120%, rgba(64,24,95,.55), transparent 60%),
    linear-gradient(160deg, #3A1556 0%, #2A0F3D 48%, #1C0A2A 100%);
}
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: linear-gradient(180deg, #000 30%, transparent 95%);
}
.hero-bg-number {
  position: absolute; right: -3%; top: 8%;
  font-family: var(--font-display); font-weight: 900; font-size: clamp(9rem, 30vw, 30rem);
  line-height: .8; letter-spacing: -.04em;
  color: transparent; -webkit-text-stroke: 1.5px rgba(138,154,58,.28);
  user-select: none; pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; padding-block: clamp(2.5rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem); }
.hero-content { max-width: 720px; }
.hero-title {
  font-size: clamp(3.2rem, 11vw, 7.5rem); font-weight: 900; letter-spacing: -.04em; line-height: .92;
  margin-bottom: 1.2rem; color: #fff;
}
.hero-title .accent-num { color: var(--olive-bright); }
.hero-subtitle { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.15rem, 2.6vw, 1.6rem); color: #fff; letter-spacing: -.01em; margin-bottom: 1.5rem; }
.hero-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem); color: #E6DEEE;
  border-left: 2px solid var(--olive-bright); padding-left: 1.1rem; margin-bottom: 1.8rem; max-width: 640px;
}
.hero-text { color: #cbc2d6; margin-bottom: 1rem; max-width: 660px; font-size: 1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }

.hero-impact { position: relative; z-index: 2; border-top: 1px solid rgba(255,255,255,.12); background: rgba(0,0,0,.18); }
.hero-impact .container { padding-block: 1.5rem; }
.impact-phrase {
  font-family: var(--font-display); font-weight: 700; color: #fff; letter-spacing: -.01em;
  font-size: clamp(1.1rem, 2.4vw, 1.7rem); text-align: center;
}
.impact-phrase span { color: var(--olive-bright); }

/* =====================================================================
   SECCIONES GENERALES
   ===================================================================== */
.section { padding-block: var(--space-section); position: relative; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--purple-900); color: #fff; }
.section-legal { background: var(--bg-alt); }

.section-head { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-title { font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -.03em; color: var(--purple); }
.section-title-light { color: #fff; }
.section-desc { margin-top: 1rem; font-size: 1.1rem; }
.section-desc-light { margin-top: 1rem; font-size: 1.1rem; color: rgba(255,255,255,.75); max-width: 640px; }

/* Dos columnas */
.two-col { display: grid; grid-template-columns: 1fr; gap: clamp(2rem, 5vw, 4rem); }
.col-aside .big-mark {
  font-family: var(--font-display); font-weight: 900; font-size: clamp(4rem, 9vw, 7rem);
  line-height: .8; letter-spacing: -.05em; margin-top: 1.5rem;
  -webkit-text-stroke: 1.5px var(--purple); color: transparent;
}
.lead-paragraph { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.25rem, 2.4vw, 1.7rem); line-height: 1.35; color: var(--text); letter-spacing: -.01em; margin-bottom: 1.5rem; }
.col-main p { margin-bottom: 1.1rem; }
.col-main p:last-child { margin-bottom: 0; }

/* =====================================================================
   ACTIVIDAD EMPRESARIAL — tarjetas
   ===================================================================== */
.activity-intro { max-width: 880px; margin-bottom: clamp(2.5rem, 5vw, 3.5rem); }
.activity-intro p { margin-bottom: 1rem; font-size: 1.05rem; }

.cards-grid { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card {
  background: var(--surface); padding: clamp(1.6rem, 3vw, 2.4rem); position: relative;
  transition: background var(--t-fast), transform var(--t-fast); min-height: 100%;
}
.card-num {
  font-family: var(--font-mono); font-size: .8rem; color: var(--olive); letter-spacing: .15em; display: block; margin-bottom: 1rem; font-weight: 600;
}
.card h3 { font-size: 1.3rem; margin-bottom: .65rem; color: var(--purple); }
.card p { font-size: .98rem; }
.card::after { content: ""; position: absolute; left: 0; top: 0; height: 0; width: 3px; background: var(--purple); transition: height var(--t); }
.card:hover { background: #faf8fc; }
.card:hover::after { height: 100%; }

/* =====================================================================
   MODELO DE GESTIÓN — línea de tiempo
   ===================================================================== */
.timeline { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr; gap: 0; position: relative; }
.timeline-step {
  display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: start;
  padding: 1.8rem 0; border-top: 1px solid rgba(255,255,255,.14); position: relative;
}
.timeline-step:last-child { border-bottom: 1px solid rgba(255,255,255,.14); }
.step-index {
  font-family: var(--font-display); font-weight: 800; font-size: 1.4rem;
  width: 56px; height: 56px; display: grid; place-items: center; border-radius: 50%;
  border: 1px solid rgba(138,154,58,.55); color: var(--olive-bright); flex: none;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.timeline-step:hover .step-index { background: var(--olive-bright); color: var(--purple-900); transform: scale(1.05); }
.step-body h3 { color: #fff; font-size: 1.35rem; margin-bottom: .4rem; }
.step-body p { color: rgba(255,255,255,.75); max-width: 760px; }

/* =====================================================================
   MISIÓN / VISIÓN / VALORES
   ===================================================================== */
.mv-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: clamp(3rem, 6vw, 5rem); }
.mv-card {
  background: var(--purple); color: #fff; padding: clamp(2rem, 4vw, 3rem); border-radius: var(--radius-lg);
  position: relative; overflow: hidden;
}
.mv-card:nth-child(2) { background: var(--olive); }
.mv-card::before {
  content: ""; position: absolute; right: -30px; bottom: -50px; width: 180px; height: 180px;
  border: 1px solid rgba(255,255,255,.18); border-radius: 50%;
}
.mv-title { color: #fff; font-size: 1.6rem; margin-bottom: 1rem; }
.mv-card:first-child .mv-title { color: var(--olive-bright); }
.mv-card p { color: rgba(255,255,255,.88); font-size: 1.05rem; position: relative; }

.values-head { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 2rem; }
.values-title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); color: var(--purple); }
.values-head .rule { flex: 1; height: 1px; background: var(--line); }

.values-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.value-card { background: #fff; padding: clamp(1.5rem, 3vw, 2rem); transition: background var(--t-fast); }
.value-card h4 { font-size: 1.15rem; color: var(--purple); margin-bottom: .5rem; }
.value-card h4::before { content: ""; display: inline-block; width: 8px; height: 8px; background: var(--olive); margin-right: .6rem; vertical-align: middle; }
.value-card p { font-size: .95rem; }
.value-card:hover { background: #faf8fc; }

/* =====================================================================
   UBICACIÓN
   ===================================================================== */
.two-col-loc { align-items: center; }
.address { font-style: normal; font-size: 1.1rem; line-height: 1.9; color: var(--text); margin: 1.5rem 0; }
.address strong { color: var(--purple); font-size: 1.2rem; }
.loc-note { margin-bottom: 1.8rem; max-width: 540px; }
.map-wrap { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-md); }
.map-frame { width: 100%; height: 380px; border: 0; }

/* =====================================================================
   CONTACTO
   ===================================================================== */
.two-col-contact { align-items: start; }
.contact-text { color: rgba(255,255,255,.75); margin: 1.2rem 0 2rem; max-width: 520px; }
.contact-data { list-style: none; padding: 0; display: grid; gap: 1.25rem; margin-bottom: 2rem; }
.contact-data li { display: grid; gap: .25rem; padding-bottom: 1.1rem; border-bottom: 1px solid rgba(255,255,255,.14); }
.cd-label { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--olive-bright); }
.contact-data a, .contact-data span { color: #fff; font-size: 1.05rem; }
.contact-data a:hover { color: var(--olive-bright); }
.contact-actions { display: flex; flex-wrap: wrap; gap: .8rem; }

.contact-form {
  background: var(--white); border-radius: var(--radius-lg); padding: clamp(1.6rem, 4vw, 2.6rem);
  box-shadow: var(--shadow-dark); display: grid; gap: 1.1rem;
}
.field { display: grid; gap: .4rem; }
.field label { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gray); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--text);
  padding: .8rem .9rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fcfbfd;
  transition: border-color var(--t-fast), box-shadow var(--t-fast); width: 100%;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--purple); box-shadow: 0 0 0 3px rgba(64,24,95,.16);
}
.field-check { display: flex; align-items: flex-start; gap: .6rem; }
.field-check input { width: 18px; height: 18px; margin-top: .25rem; accent-color: var(--purple); flex: none; }
.field-check label { font-size: .9rem; color: var(--text-soft); }
.link-inline { background: none; border: 0; color: var(--purple); cursor: pointer; padding: 0; font: inherit; text-decoration: underline; }
.form-error { color: #a23b2d; font-size: .88rem; font-weight: 500; }
.form-hint { font-size: .82rem; color: var(--gray-500); margin-top: .25rem; }

/* =====================================================================
   LEGAL
   ===================================================================== */
.legal-actions { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
.legal-card {
  text-align: left; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(1.6rem, 3vw, 2.2rem); cursor: pointer; display: grid; gap: .5rem; position: relative;
  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast); font: inherit;
}
.legal-card:hover { border-color: var(--purple); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.legal-card-label { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--olive); }
.legal-card-title { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: var(--purple); padding-right: 2rem; }
.legal-card-arrow { position: absolute; right: 1.6rem; bottom: 1.6rem; color: var(--olive); font-size: 1.3rem; transition: transform var(--t-fast); }
.legal-card:hover .legal-card-arrow { transform: translateX(6px); }

/* =====================================================================
   FOOTER
   ===================================================================== */
.site-footer { background: var(--purple-900); color: rgba(255,255,255,.75); padding-top: clamp(3rem, 6vw, 5rem); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer-brand .brand-logo--light { margin-bottom: 1rem; }
.footer-legal-name { color: var(--purple-300); font-size: .92rem; }
.footer-col h4 { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; color: var(--olive-bright); margin-bottom: 1rem; font-weight: 500; }
.footer-col address { font-style: normal; font-size: .92rem; line-height: 1.8; color: #b8aec6; }
.footer-contact, .footer-legal { list-style: none; padding: 0; display: grid; gap: .55rem; }
.footer-contact li, .footer-legal li { font-size: .92rem; color: #b8aec6; }
.footer-contact a:hover { color: var(--olive-bright); }
.footer-link { background: none; border: 0; color: #b8aec6; cursor: pointer; font: inherit; padding: 0; text-align: left; transition: color var(--t-fast); }
.footer-link:hover { color: var(--olive-bright); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem;
  border-top: 1px solid rgba(255,255,255,.12); padding-block: 1.5rem 2rem; font-size: .82rem; color: #fff;
}
.footer-bottom p { color: #fff; }
.footer-domain { font-family: var(--font-mono); letter-spacing: .1em; }

/* =====================================================================
   MODALES LEGALES
   ===================================================================== */
.modal { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: clamp(.75rem, 3vw, 2rem); }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(28,10,42,.72); backdrop-filter: blur(4px); animation: fade .3s var(--ease); }
.modal-dialog {
  position: relative; background: var(--white); width: min(820px, 100%); max-height: 88vh; border-radius: var(--radius-lg);
  display: flex; flex-direction: column; box-shadow: var(--shadow-dark); animation: pop .35s var(--ease);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.4rem clamp(1.25rem, 3vw, 2rem); border-bottom: 1px solid var(--line); position: sticky; top: 0; background: #fff; border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.modal-header h2 { font-size: clamp(1.2rem, 3vw, 1.6rem); color: var(--purple); }
.modal-close { background: none; border: 0; font-size: 2rem; line-height: 1; color: var(--gray-500); cursor: pointer; padding: 0 .25rem; transition: color var(--t-fast); }
.modal-close:hover { color: var(--purple); }
.modal-body { padding: clamp(1.25rem, 3vw, 2rem); overflow-y: auto; }
.modal-body h3 { font-size: 1.1rem; color: var(--purple); margin: 1.6rem 0 .5rem; }
.modal-body h3:first-of-type { margin-top: 0; }
.modal-body p { font-size: .95rem; margin-bottom: .8rem; color: var(--text-soft); }
.modal-body ul { margin: 0 0 1rem 1.1rem; }
.modal-body li { font-size: .95rem; color: var(--text-soft); margin-bottom: .4rem; }
.legal-meta { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .04em; color: var(--olive); border-left: 2px solid var(--olive); padding-left: .8rem; margin-bottom: 1.5rem; }
.legal-eco { font-style: italic; color: var(--gray-500); }
.legal-divider { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

/* =====================================================================
   ANIMACIONES
   ===================================================================== */
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

body.menu-open { overflow: hidden; }

/* =====================================================================
   RESPONSIVO
   ===================================================================== */
@media (min-width: 600px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .mv-grid { grid-template-columns: repeat(2, 1fr); }
  .legal-actions { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 880px) {
  .two-col { grid-template-columns: 340px 1fr; }
  .two-col-loc { grid-template-columns: 1fr 1.1fr; }
  .two-col-contact { grid-template-columns: 1fr 1.05fr; }
  .cards-grid { grid-template-columns: repeat(3, 1fr); }
  .card-wide { grid-column: span 3; }
  .values-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .timeline-step { grid-template-columns: 72px 1fr; gap: 2rem; }
}
@media (min-width: 1100px) {
  .values-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 980px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; inset: 76px 0 0 0; background: rgba(32,10,48,.98); backdrop-filter: blur(8px);
    flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0; padding: 1.5rem clamp(1.25rem, 5vw, 2rem) 2.5rem;
    transform: translateX(100%); transition: transform var(--t); overflow-y: auto;
  }
  .nav.open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
  .nav-list li { border-bottom: 1px solid rgba(255,255,255,.1); }
  .nav-link { display: block; color: #fff; font-size: 1.1rem; padding: 1rem 0; }
  .nav-link:hover { color: var(--olive-bright); }
  .nav-link::after { display: none; }
  .nav-cta { margin-top: 1.5rem; width: 100%; }
}

/* ---------- Accesibilidad ---------- */
:focus-visible { outline: 2px solid var(--purple); outline-offset: 2px; border-radius: 2px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}