/* ==========================================================
   1. TOKENS (tu "design system" en variables)
   Cambia aquí los colores y TODO el sitio se actualiza.
   ========================================================== */
:root {
  /* Color */
  --color-primary: #0b4f9c;      /* azul ISB (ajústalo al manual de marca) */
  --color-accent: #0097E1;       /* aguamarina, para acentos y glow */
  --color-dark: #061a33;         /* fondo del hero */
  --color-light: #f3f7fb;        /* fondo de secciones claras */
  --color-white: #ffffff;
  --color-text: #08132B;
  --color-muted: #5b6b7f;
  --color-border: rgba(14, 34, 56, 0.08);

  /* Tipografía */
  --font: "Manrope", system-ui, sans-serif;
  --fs-h1: clamp(2.6rem, 6vw, 5rem);
  --fs-h2: clamp(1.9rem, 3.6vw, 3rem);
  --fs-body: 1.0625rem;

  /* Espaciado y forma */
  --container: 1200px;
  --gutter: 24px;
  --radius-sm: 12px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* Sombras y movimiento */
  --shadow-sm: 0 2px 8px rgba(6, 26, 51, 0.06);
  --shadow-lg: 0 24px 48px -12px rgba(6, 26, 51, 0.18);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.4s;
}

/* ==========================================================
   2. RESET Y BASE
   ========================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-light);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; border: none; background: none; cursor: pointer; color: inherit; }

:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; border-radius: 6px; }

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

.section { padding-block: clamp(80px, 12vw, 140px); scroll-margin-top: 70px; }

.section__head { max-width: 680px; margin-bottom: 56px; }

.section__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section__title {
  font-size: var(--fs-h2);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ==========================================================
   3. BOTONES
   ========================================================== */
.btn {
  position: relative;
  overflow: hidden;              /* necesario para el efecto ripple */
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  will-change: transform;
}
.btn--lg { padding: 16px 30px; font-size: 1rem; }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-dark);
  box-shadow: 0 8px 24px -6px rgba(28, 199, 208, 0.55);
}
.btn--primary:hover { background: var(--color-white); }

.btn--ghost {
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}
.btn--ghost:hover { border-color: var(--color-white); background: rgba(255, 255, 255, 0.08); }

.btn svg { transition: transform var(--dur) var(--ease); }
.btn:hover svg { transform: translateX(4px); }

/* Onda que aparece al hacer clic (la crea main.js) */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.25;
  transform: scale(0);
  animation: ripple 0.6s var(--ease) forwards;
  pointer-events: none;
}
@keyframes ripple { to { transform: scale(1); opacity: 0; } }

/* ==========================================================
   4. HEADER
   ========================================================== */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: 22px;
  color: var(--color-white);
  transition: padding var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease), color var(--dur) var(--ease);
}

/* Cuando haces scroll, main.js le pone la clase .is-scrolled */
.header.is-scrolled {
  padding-block: 12px;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
}

.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.header__logo { position: relative; display: block; height: 44px; }
.header__logo img { height: 100%; width: auto; transition: opacity var(--dur) var(--ease); }
.logo--color { position: absolute; inset: 0; opacity: 0; }
.header.is-scrolled .logo--white { opacity: 0; }
.header.is-scrolled .logo--color { opacity: 1; }

/* --- Navegación --- */
.nav { display: flex; align-items: center; gap: 28px; }
.nav__list { display: flex; align-items: center; gap: 26px; }

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 600;
  padding-block: 6px;
}
/* Subrayado que crece al pasar el mouse */
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur) var(--ease);
}
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }

.nav__chevron { transition: transform var(--dur) var(--ease); }

/* --- Submenú desplegable --- */
.nav__item--dropdown { position: relative; }

.nav__sub {
  position: absolute;
  top: calc(100% + 14px);
  left: -16px;
  min-width: 260px;
  padding: 10px;
  background: var(--color-white);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}
/* Puente invisible para que el menú no se cierre al bajar el mouse */
.nav__sub::before { content: ""; position: absolute; inset: -14px 0 auto 0; height: 14px; }

.nav__sub a {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background var(--dur) var(--ease), padding var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav__sub a:hover { background: var(--color-light); color: var(--color-primary); padding-left: 20px; }

.nav__item--dropdown:hover .nav__sub,
.nav__item--dropdown:focus-within .nav__sub { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__item--dropdown:hover .nav__chevron { transform: rotate(180deg); }

/* --- Botón hamburguesa (solo móvil) --- */
.burger { display: none; position: relative; z-index: 2; width: 44px; height: 44px; }
.burger span {
  position: absolute;
  left: 10px; right: 10px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
}
.burger span:nth-child(1) { top: 17px; }
.burger span:nth-child(2) { top: 25px; }
.menu-open .burger span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.menu-open .burger span:nth-child(2) { top: 21px; transform: rotate(-45deg); }

/* ==========================================================
   5. HERO
   ========================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: 140px 180px;
  background: var(--color-dark);
  color: var(--color-white);
  overflow: hidden;
}

.hero__bg { position: absolute; inset: 0; pointer-events: none; }

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  animation: float 14s ease-in-out infinite alternate;
}
.hero__blob--1 { width: 520px; height: 520px; background: var(--color-primary); top: -120px; right: -80px; }
.hero__blob--2 { width: 420px; height: 420px; background: var(--color-accent); bottom: -60px; left: 20%; opacity: 0.3; animation-delay: -6s; }

@keyframes float {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-60px, 50px) scale(1.15); }
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 70% 30%, black 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, black 10%, transparent 70%);
}

.hero__content { position: relative; z-index: 1; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  margin-bottom: 28px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  font-size: 0.85rem;
  font-weight: 600;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 0 var(--color-accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  70%  { box-shadow: 0 0 0 10px rgba(28, 199, 208, 0); }
  100% { box-shadow: 0 0 0 0 rgba(28, 199, 208, 0); }
}

.hero__title {
 font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 32px;
}
.hero__title .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.20em;   /* espacio para g, p, y */
  margin-bottom: -0.20em;   /* compensa para que las líneas no se separen */
}
.hero__title .line > span { display: inline-block; }
.hero__title em {
  display: inline-block;     /* para que el degradado cubra la letra completa */
  padding-bottom: 0.12em;
  margin-bottom: -0.12em;
  font-style: normal;
 background: linear-gradient(90deg, #3B8FE0 0%, #7FD3EA 50%, #3B8FE0 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: fluir 6s linear infinite;    /* el degradado corre como agua */
}
@keyframes fluir { to { background-position: 200% 0; } }


.hero__text { max-width: 580px; font-size: 1.15rem; color: rgba(255, 255, 255, 0.75); margin-bottom: 40px; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
/* Métricas debajo de los botones */
.hero__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 40px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  max-width: 520px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.65);
}
.hero__metrics strong {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-white);
}

/* Indicador de scroll */
.hero__scroll { position: absolute; left: 50%; bottom: 142px; z-index: 1; transform: translateX(-50%); }
@media (min-width: 1025px) { .hero__scroll { display: none; } }   /* en computador lo reemplazan las columnas de proyectos */
.mouse {
  display: block;
  width: 26px; height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 14px;
  position: relative;
}
.mouse__dot {
  position: absolute;
  top: 8px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--color-white);
  animation: scroll-dot 1.8s var(--ease) infinite;
}
@keyframes scroll-dot {
  0%   { opacity: 0; transform: translateY(0); }
  30%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(14px); }
}

/* Olas */
.hero__waves { position: absolute; left: 0; bottom: -1px; width: 100%; height: 110px; overflow: hidden; }
.wave { position: absolute; bottom: 0; left: 0; width: 200%; height: 100%; animation: wave 12s linear infinite; }
.wave path { fill: var(--color-light); }
.wave--back { opacity: 0.35; animation-duration: 22s; }
@keyframes wave { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ==========================================================
   6. SERVICIOS (tarjetas)
   ========================================================== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 800px) {
  .services__grid { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 40px 36px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
/* Luz que sigue al mouse (main.js actualiza --x y --y) */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(360px circle at var(--x, 50%) var(--y, 50%), rgba(28, 199, 208, 0.16), transparent 45%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(28, 199, 208, 0.4); }
.card:hover::before { opacity: 1; }

.card__num { position: absolute; top: 24px; right: 28px; font-size: 0.85rem; font-weight: 700; color: var(--color-muted); opacity: 0.5; }

.card__icon {
  width: 72px; height: 72px;
  display: grid; place-items: center;
  margin-bottom: 24px;
  border-radius: 18px;
  background: var(--color-light);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.card__icon img { width: 48px; height: 48px; object-fit: contain; }
.card:hover .card__icon { transform: rotate(-6deg) scale(1.08); background: rgba(28, 199, 208, 0.15); }

.card__title { font-size: 1.3rem; line-height: 1.3; font-weight: 700; margin-bottom: 12px; padding-right: 40px; }
.card__text { font-size: 0.95rem; color: var(--color-muted); margin-bottom: 12px; }
.card__text:last-child { margin-bottom: 0; }

.card__link { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-size: 0.9rem; font-weight: 700; color: var(--color-primary); }
.card__link .arrow { transition: transform var(--dur) var(--ease); }
.card:hover .card__link .arrow { transform: translateX(6px); }

/* --- Tarjeta con foto (áreas de especialidad) --- */
.card--media { padding: 0; }

.card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}
.card--media:hover .card__photo { transform: scale(1.05); }

.card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6, 26, 51, 0.35), transparent 55%);
  pointer-events: none;
}

.card__body { position: relative; padding: 32px 36px 40px; }
.card--media .card__num { top: 24px; right: 36px; }

@media (max-width: 600px) {
  .card__body { padding: 24px 24px 32px; }
  .card--media .card__num { right: 24px; }
}

/* --- Etiqueta de cada nivel de servicios --- */
.services__label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 20px;
}

/* --- Nivel 2: actividades (franja compacta) --- */
.activities { margin-top: clamp(64px, 8vw, 96px); }

.activities__head { margin-bottom: 32px; }
.activities__title {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.activities__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-border);
}

.activity {
  padding: 32px 28px 8px 0;
  border-top: 2px solid transparent;
  margin-top: -1px;                 /* la línea de color se monta sobre la gris */
  transition: border-color var(--dur) var(--ease);
}
.activity + .activity { padding-left: 28px; border-left: 1px solid var(--color-border); }
.activity:hover { border-top-color: var(--color-accent); }

.activity__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.activity__icon {
  width: 64px;
  height: 64px;
  padding: 12px;
  box-sizing: border-box;
  background: var(--color-white);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  object-fit: contain;
  transition: transform var(--dur) var(--ease);
}
.activity:hover .activity__icon { transform: translateY(-4px); }
.activity__num { font-size: 0.85rem; font-weight: 700; color: var(--color-muted); opacity: 0.5; }

.activity__title { font-size: 1.05rem; font-weight: 700; line-height: 1.3; margin-bottom: 8px; }
.activity__text { font-size: 0.9rem; color: var(--color-muted); }

@media (max-width: 900px) {
  .activities__grid { grid-template-columns: 1fr 1fr; }
  .activity:nth-child(3) { padding-left: 0; border-left: none; }
  .activity:nth-child(n+3) { border-top: 1px solid var(--color-border); margin-top: 0; }
}
@media (max-width: 600px) {
  .activities__grid { grid-template-columns: 1fr; }
  .activity, .activity + .activity { padding: 24px 0; border-left: none; }
  .activity + .activity { border-top: 1px solid var(--color-border); }
}

/* ==========================================================
   6A. NUESTRA EMPRESA
   ========================================================== */
.about { background: var(--color-white); }

/* --- Parte A: intro + cifras --- */
.about__intro {
  display: grid;
  grid-template-columns: 1.15fr 1fr;    /* texto un poco más ancho que la imagen */
  column-gap: 72px;
  align-items: stretch;                 /* la imagen ocupa el alto de título + texto + botones */    
  margin-bottom: 64px;
}
.about__intro > .section__eyebrow { grid-column: 1 / -1; }   /* "Quiénes somos" va arriba, a todo el ancho */

.about__title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.about__title em { font-style: normal; color: var(--color-primary); }
.about__text { color: var(--color-muted); font-size: 1.05rem; }

.about__aside { display: grid; gap: 24px; }
.about__media {
  margin: 0;
  height: 100%;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-light);       /* se ve este gris mientras no haya foto */
}
.about__media img { width: 100%; height: 100%; object-fit: cover; }
.about__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

@media (max-width: 900px) {
 .about__intro { grid-template-columns: 1fr; row-gap: 40px; }
  .about__intro > .section__eyebrow { margin-bottom: -24px; }
  .about__media { height: auto; aspect-ratio: 4 / 3; }
}
/* Botones para fondo claro */
.btn--dark { background: var(--color-dark); color: var(--color-white); }
.btn--dark:hover { background: var(--color-primary); }
.btn--outline { color: var(--color-text); border: 1.5px solid var(--color-border); }
.btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.stat {
  padding: 40px 24px;
  border-left: 1px solid var(--color-border);
  transition: background var(--dur) var(--ease);
}
.stat:first-child { border-left: none; }
.stat:hover { background: var(--color-light); }

.stat__num {
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-primary);
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;   /* los números no "bailan" al contar */
}
.stat__label { font-size: 0.95rem; font-weight: 600; color: var(--color-muted); }

/* --- Parte B: línea de tiempo --- */
.about__subtitle {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 40px;
}

.timeline { padding-top: clamp(80px, 10vw, 120px); }

.timeline__track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
/* Línea gris de fondo */
.timeline__line {
  position: absolute;
  top: 7px; left: 0; right: 0;
  height: 2px;
  background: var(--color-border);
}
/* Línea de color que se llena con el scroll (main.js la anima) */
.timeline__progress {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
}

.milestone { position: relative; padding-top: 40px; }
.milestone__dot {
  position: absolute;
  top: 0; left: 0;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--color-white);
  border: 3px solid var(--color-accent);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.milestone:hover .milestone__dot { transform: scale(1.4); background: var(--color-accent); }

.milestone__year {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  transition: color var(--dur) var(--ease);
}
.milestone:hover .milestone__year { color: var(--color-primary); }
.milestone__text { font-size: 0.95rem; color: var(--color-muted); }

/* En tablet y celular la línea de tiempo pasa a ser vertical */
@media (max-width: 900px) {
  .timeline__track { grid-template-columns: 1fr; gap: 36px; padding-left: 36px; }
  .timeline__line { top: 0; bottom: 0; left: 7px; right: auto; width: 2px; height: auto; }
  .timeline__progress { width: 100%; height: 100%; transform: scaleY(0); transform-origin: top; }
  .milestone { padding-top: 0; }
  .milestone__dot { left: -36px; top: 8px; }
}

/* --- Parte C: visión + políticas --- */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: clamp(80px, 10vw, 120px);
}

/* Visión: tarjeta oscura a todo el ancho */
.pillar--featured {
  grid-column: 1 / -1;
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 5vw, 56px);
  border-radius: var(--radius-lg);
  background: var(--color-dark);
  color: var(--color-white);
}
.pillar--featured::after {               /* brillo decorativo */
  content: "";
  position: absolute;
  width: 360px; height: 360px;
  left: -100px; bottom: -200px;
  border-radius: 50%;
  background: var(--color-primary);
  filter: blur(90px);
  opacity: 0.6;
  pointer-events: none;
}
.pillar__tag {
  position: relative;
  z-index: 1;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.pillar__quote {
  position: relative;
  z-index: 1;
  max-width: 820px;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

/* Tarjetas de políticas */
.pillar:not(.pillar--featured) {
  display: flex;                 /* para que el link quede siempre abajo */
  flex-direction: column;
  padding: 32px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-light);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.pillar:not(.pillar--featured):hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); background: var(--color-white); }

.pillar__icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  margin-bottom: 20px;
  border-radius: 16px;
  background: var(--color-white);
  color: var(--color-primary);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.pillar:hover .pillar__icon { transform: rotate(-8deg) scale(1.08); background: var(--color-primary); color: var(--color-white); }

.pillar__title { font-size: 1.15rem; font-weight: 700; line-height: 1.3; margin-bottom: 10px; }
.pillar__text { font-size: 0.95rem; color: var(--color-muted); }

.pillar__link {
  margin-top: auto;
  padding-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
}
.pillar__link .arrow { transition: transform var(--dur) var(--ease); }
.pillar__link:hover .arrow { transform: translateX(5px); }

/* --- Ventana emergente (modal) --- */
.modal {
  margin: auto;
  width: min(760px, calc(100% - 32px));
  max-height: min(85vh, 900px);
  padding: 0;
  border: none;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  color: var(--color-text);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
/* Fondo oscuro y desenfocado detrás de la ventana */
.modal::backdrop {
  background: rgba(6, 26, 51, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
/* Animación de entrada */
.modal[open] { animation: modal-in 0.5s var(--ease); }
.modal[open]::backdrop { animation: fade-in 0.4s var(--ease); }
@keyframes modal-in { from { opacity: 0; transform: translateY(30px) scale(0.97); } }
@keyframes fade-in { from { opacity: 0; } }

.modal__box { display: flex; flex-direction: column; max-height: inherit; }

.modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--color-border);
}
.modal__head .pillar__tag { color: var(--color-primary); margin-bottom: 6px; }
.modal__title { font-size: 1.5rem; font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; }

.modal__close {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-light);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.modal__close:hover { background: var(--color-border); transform: rotate(90deg); }

.modal__body {
  overflow-y: auto;              /* el texto largo hace scroll adentro */
  padding: 24px 32px 32px;
  display: grid;
  gap: 18px;
  font-size: 0.98rem;
  color: var(--color-muted);
}
.modal__body ol { display: grid; gap: 12px; padding-left: 22px; list-style: decimal; }
.modal__body li::marker { color: var(--color-primary); font-weight: 700; }

/* Responsive Parte C */
@media (max-width: 900px) {
  .pillars { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .pillars { grid-template-columns: 1fr; }
  .modal__head { padding: 22px 20px 16px; }
  .modal__body { padding: 20px 20px 28px; }
}

/* --- Parte D: carrusel de aliados --- */
.clients { padding-top: clamp(80px, 10vw, 120px); }

.clients__label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.clients__title {
  max-width: 640px;
  margin: 0 auto 48px;
  padding-inline: var(--gutter);
  text-align: center;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.marquee {
  overflow: hidden;
  /* Difumina los bordes izquierdo y derecho */
  mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 73px;
  width: max-content;
  animation: marquee 50s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }   /* se pausa al pasar el mouse */

.marquee__track img {
  height: 90px;
  width: auto;
  transition: transform var(--dur) var(--ease);
}
.marquee__track img:hover { transform: scale(1.1); }

@keyframes marquee { to { transform: translateX(-50%); } }

@media (max-width: 600px) {
  .marquee__track { gap: 48px; }
  .marquee__track img { height: 64px; }
}

/* --- Responsive Parte A --- */
@media (max-width: 900px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: none; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--color-border); }
}
@media (max-width: 600px) {
  .stat { padding: 28px 16px; }
}

/* ==========================================================
   6C. PROYECTOS
   ========================================================== */
.projects { background: var(--color-dark); color: var(--color-white); }
.projects .section__eyebrow { color: var(--color-accent); }

/* --- Pestañas --- */
.tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 32px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
}
.tab {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.tab:hover { color: var(--color-white); }
.tab.is-active { background: var(--color-white); color: var(--color-dark); }

/* --- Filtros por categoría --- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.filter img {
  width: 26px; height: 26px;
  padding: 4px;
  border-radius: 50%;
  background: var(--color-white);
}
.filter__count { font-size: 0.78rem; opacity: 0.6; }
.filter:hover { border-color: rgba(255, 255, 255, 0.5); color: var(--color-white); }
.filter.is-active { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-dark); }
.filter.is-active .filter__count { opacity: 0.8; }

/* Mensaje cuando una categoría no tiene proyectos */
.projects__empty {
  padding: 48px 24px;
  border: 1.5px dashed rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* --- Tarjetas --- */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 32px;
}

.project { position: relative; }
.project[hidden] { display: none; }

/* Entrada suave al filtrar o cambiar de pestaña */
.project.is-entering { animation: project-in 0.6s var(--ease) both; }
@keyframes project-in { from { opacity: 0; transform: translateY(20px); } }

.project__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.06);
}
.project__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease), opacity 0.4s var(--ease);
}
.project:hover .project__media img { transform: scale(1.06); }

.project__tag {
  position: absolute;
  top: 16px; left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(6, 26, 51, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-white);
}

.project__loc {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.project__title { font-size: 1.2rem; font-weight: 700; line-height: 1.3; margin-bottom: 6px; }
.project__client { font-size: 0.9rem; color: rgba(255, 255, 255, 0.6); margin-bottom: 16px; }

/* El botón cubre toda la tarjeta: se puede hacer clic en cualquier parte */
.project__open {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-white);
}
.project__open::after { content: ""; position: absolute; inset: 0; }
.project__open .arrow { transition: transform var(--dur) var(--ease); }
.project:hover .project__open .arrow { transform: translateX(6px); }

/* --- Encabezado con flechas del carrusel (inicio) --- */
.projects__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 56px;
}
.projects__head .section__head { margin-bottom: 0; }

.carousel__nav { display: flex; gap: 12px; flex-shrink: 0; }
.carousel__btn {
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  color: var(--color-white);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.carousel__btn:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-dark); }
.carousel__btn.swiper-button-disabled { opacity: 0.3; pointer-events: none; }

/* El carrusel se sale del contenedor por la derecha (se asoma la siguiente) */
.carousel { overflow: visible; clip-path: inset(-40px -100vw -40px 0); }   /* corta lo que sale por la izquierda, deja asomar la derecha */
.projects { overflow: hidden; }
.carousel .swiper-slide { height: auto; }

.projects__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 56px;
}

/* --- Página de proyectos: encabezado --- */
.projects--page { min-height: 100vh; padding-block: 150px clamp(80px, 12vw, 140px); }
.page-head {
  width: 100%;
  max-width: none;
  padding-bottom: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-head__row {
  display: flex;
  flex-direction: column;     /* pestañas debajo del texto */
  align-items: flex-start;
  gap: 32px;
}
.page-head .tabs { margin-bottom: 0; flex-shrink: 0; }
.page-head .tab { white-space: nowrap; }
.page-head__back {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--dur) var(--ease), gap var(--dur) var(--ease);
}
.page-head__back:hover { color: var(--color-white); gap: 12px; }
.page-head__title {
  font-size: clamp(2.6rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 16px;
}
.page-head__intro { width: min-content; max-width: 100%; }   /* el bloque mide lo mismo que el título */
.page-head__text { font-size: 1.2rem; color: rgba(255, 255, 255, 0.7); text-wrap: pretty; }
@media (min-width: 700px) {
  .page-head__title { white-space: nowrap; }      /* título en una sola línea */
}

@media (max-width: 600px) {
  .projects__head { flex-direction: column; align-items: flex-start; margin-bottom: 40px; }
  .carousel__nav { display: none; }          /* en celular se desliza con el dedo */
  .projects__actions .btn { width: 100%; justify-content: center; }
  .projects--page { padding-top: 120px; }
}

/* ==========================================================
   6D. PRODUCTOS
   ========================================================== */
.products { background: var(--color-light); }

/* Marcas */
.brands {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}
.brand {
  display: grid;
  place-items: center;
  height: 96px;
  padding: 20px;
  border-radius: var(--radius-sm);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}
.brand img { max-width: 100%; max-height: 48px; object-fit: contain; }

/* Tarjetas: 2 grandes arriba y 3 abajo */
.products__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 32px;
}
.product { grid-column: span 2; display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden; background: var(--color-white); box-shadow: var(--shadow-sm); }
.product:nth-child(-n+2) { grid-column: span 3; }
.product__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--color-dark); }
.product__body { padding: 24px 28px 32px; }
.product__num { display: block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; color: var(--color-primary); margin-bottom: 8px; }
.product__title { font-size: 1.25rem; font-weight: 700; line-height: 1.3; color: var(--color-text); margin-bottom: 8px; }
.product__text { font-size: 0.95rem; color: var(--color-muted); }

/* Flechas de la galería: aparecen al pasar el mouse en computador */
@media (hover: hover) {
  .product__media .gallery__btn { opacity: 0; }
  .product:hover .product__media .gallery__btn,
  .product__media .gallery__btn:focus-visible { opacity: 1; }
}

@media (max-width: 1024px) {
  .brands { grid-template-columns: repeat(3, 1fr); }
  .products__grid { grid-template-columns: 1fr 1fr; }
  .product, .product:nth-child(-n+2) { grid-column: span 1; }
}
@media (max-width: 600px) {
  .brands { grid-template-columns: repeat(2, 1fr); }
  .products__grid { grid-template-columns: 1fr; }
}

/* --- Galería de fotos (tarjeta y ventana de detalle) --- */
.gallery__item {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.gallery__item.is-active { opacity: 1; z-index: 1; }
video.gallery__item { background: #000; object-fit: contain; }

.gallery__btn {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-dark);
  box-shadow: var(--shadow-sm);
  transform: translateY(-50%);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.gallery__btn:hover { background: var(--color-white); transform: translateY(-50%) scale(1.08); }
.gallery__btn--prev { left: 12px; }
.gallery__btn--next { right: 12px; }

.gallery__dots {
  position: absolute;
  bottom: 14px; left: 50%;
  z-index: 2;
  display: flex;
  gap: 6px;
  transform: translateX(-50%);
  pointer-events: none;
}
.gallery__dots span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transition: width var(--dur) var(--ease), background var(--dur) var(--ease);
}
.gallery__dots span.is-active { width: 20px; border-radius: 4px; background: var(--color-white); }

/* Proyecto sin fotos todavía */
.gallery__empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  padding: 24px;
  background: linear-gradient(135deg, var(--color-dark) 0%, #0b3b73 100%);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
}
.gallery__empty img { width: 88px; height: auto; opacity: 0.5; }
/* Etiqueta "Video" en la tarjeta */
.project__video {
  position: absolute;
  bottom: 14px; right: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(6, 26, 51, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-white);
}
.project__tag { z-index: 2; }

/* En computador, las flechas de la tarjeta aparecen al pasar el mouse */
@media (hover: hover) {
  .project__media .gallery__btn { opacity: 0; }
  .project:hover .project__media .gallery__btn,
  .project__media .gallery__btn:focus-visible { opacity: 1; }
}
/* --- Ventana de detalle --- */
.modal--project { width: min(860px, calc(100% - 32px)); }
.modal--project .modal__box { overflow-y: auto; }

.modal__media { position: relative; aspect-ratio: 4 / 3; max-height: 60vh; width: 100%; flex-shrink: 0; overflow: hidden; background: var(--color-dark); }
.modal__media .gallery__item { object-fit: contain; }   /* la foto se ve completa, sin recortes */
.modal__media .gallery { position: absolute; inset: 0; }
.modal__media .modal__close {
  position: absolute;
  top: 16px; right: 16px;
  z-index: 3;
  background: rgba(255, 255, 255, 0.9);
}

.modal--project .modal__body { overflow: visible; padding-top: 28px; }
.modal--project .pillar__tag { color: var(--color-primary); margin-bottom: 6px; }
.modal--project .modal__title { color: var(--color-text); margin-bottom: 4px; }

.project__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px 32px;
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.project__meta dt,
.project__label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 2px; }
.project__meta dd { margin: 0; font-weight: 600; color: var(--color-text); }
.project__lead { font-size: 1.05rem; color: var(--color-text); margin-bottom: 20px; }
#mp-alcance { display: grid; gap: 4px; }

.specs { display: flex; flex-wrap: wrap; gap: 16px; }
.specs:empty { display: none; }
.spec {
  flex: 1 1 180px;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  background: var(--color-light);
}
.spec__value { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; color: var(--color-primary); line-height: 1.1; }
.spec__label { font-size: 0.85rem; }

@media (max-width: 900px) {
  .projects__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .projects__grid { grid-template-columns: 1fr; }
  .tabs { display: flex; }
  .tab { flex: 1; justify-content: center; padding: 12px 16px; }
  /* Los filtros se deslizan de lado en celular en vez de ocupar 4 filas */
  .filters { flex-wrap: nowrap; overflow-x: auto; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); scrollbar-width: none; }
  .filters::-webkit-scrollbar { display: none; }
  .filter { flex-shrink: 0; }
}

/* ==========================================================
   6B. FOOTER
   ========================================================== */
.footer {
  position: relative;
  overflow: hidden;
  padding-top: 40px;
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
}

/* --- Tarjeta de llamado a la acción --- */
.footer__cta {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(32px, 5vw, 64px);
  margin-bottom: 80px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary), #0a3a73);
  color: var(--color-white);
}
/* Brillo que se mueve dentro de la tarjeta */
.footer__cta::before {
  content: "";
  position: absolute;
  width: 420px; height: 420px;
  right: -120px; top: -160px;
  border-radius: 50%;
  background: var(--color-accent);
  filter: blur(100px);
  opacity: 0.45;
  animation: float 12s ease-in-out infinite alternate;
  pointer-events: none;
}
.footer__cta > * { position: relative; }
.footer__cta .section__eyebrow { color: var(--color-accent); }
.footer__cta-title { font-size: var(--fs-h2); line-height: 1.1; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 12px; }
.footer__cta-text { max-width: 440px; color: rgba(255, 255, 255, 0.75); }
.footer__cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* --- Columnas --- */
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr 1.1fr;
  gap: 48px;
  padding-bottom: 64px;
}

.footer__logo { height: 44px; width: auto; margin-bottom: 20px; }
.footer__brand p { max-width: 340px; font-size: 0.95rem; }

.footer__title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer__col ul { display: grid; gap: 12px; }

/* Link con subrayado que crece (igual que en el menú) */
.footer__link {
  position: relative;
  font-size: 0.95rem;
  transition: color var(--dur) var(--ease);
}
.footer__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1.5px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur) var(--ease);
}
.footer__link:hover { color: var(--color-white); }
.footer__link:hover::after { transform: scaleX(1); transform-origin: left; }

.footer__contact li { display: flex; align-items: center; gap: 12px; }
.footer__contact svg { flex-shrink: 0; color: var(--color-accent); }

/* --- Texto gigante de fondo --- */
.footer__giant {
  font-size: clamp(3.5rem, 14vw, 13rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.05em;
  white-space: nowrap;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.12);
  user-select: none;
  margin-bottom: -0.12em;
  transition: -webkit-text-stroke-color 0.8s var(--ease);
}
.footer:hover .footer__giant { -webkit-text-stroke-color: rgba(28, 199, 208, 0.35); }

/* --- Barra inferior --- */
.footer__bottom {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
}

.footer__legal { display: flex; align-items: center; gap: 24px; }
.footer__legal .footer__link { font-size: 0.85rem; }

.footer__top {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.footer__top svg { transition: transform var(--dur) var(--ease); }
.footer__top:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-dark); }
.footer__top:hover svg { transform: translateY(-3px); }

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .footer__grid { grid-template-columns: 1fr; gap: 36px; }
  .footer__cta-actions, .footer__cta-actions .btn { width: 100%; justify-content: center; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .footer__legal { width: 100%; justify-content: space-between; }
}

/* ==========================================================
   7. RESPONSIVE (tablet y móvil)
   ========================================================== */
@media (max-width: 1080px) {
  .burger { display: block; }

  /* El menú se vuelve un panel que entra desde la derecha */
  .nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 32px;
    padding: 110px var(--gutter) 40px;
    background: var(--color-dark);
    color: var(--color-white);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.6s var(--ease);
  }
  .menu-open .nav { transform: translateX(0); }
  .menu-open .header { color: var(--color-white); }
  .menu-open { overflow: hidden; }

  .nav__list { flex-direction: column; align-items: flex-start; gap: 18px; width: 100%; }
  .nav__link { font-size: 1.4rem; }
  .nav__chevron { display: none; }

  /* En móvil los submenús se muestran abiertos, como lista */
  .nav__sub {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    box-shadow: none;
    padding: 6px 0 0 12px;
    min-width: 0;
  }
  .nav__sub a { padding: 6px 0; }
  .nav__sub a:hover { background: transparent; padding-left: 6px; color: var(--color-accent); }
}

@media (max-width: 600px) {
  .header__logo { height: 36px; }
  .hero { padding-block: 120px 160px; }
  .hero__actions .btn { width: 100%; justify-content: center; }
 
  .hero__scroll { display: none; }
}

/* ==========================================================
   8. ACCESIBILIDAD: si el usuario pidió menos movimiento
   ========================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

 /* --- Columnas de proyectos en movimiento (derecha del hero) --- */
.hero__showcase {
  position: absolute;
  top: 96px; bottom: 40px;
  right: max(var(--gutter), calc((100% - var(--container)) / 2 + var(--gutter)));
  width: min(560px, 40%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  overflow: hidden;
   z-index: 2;                 /* encima del bloque de texto, para que reciba el mouse */
  /* desvanece arriba y abajo */
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 15%, #000 78%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 15%, #000 78%, transparent 100%);
}
.showcase__col { overflow: hidden; }
.showcase__col--reverse { margin-top: -120px; }      /* desfasa la segunda columna */

.showcase__track {
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: showcase-up 40s linear infinite;
}
.showcase__col--reverse .showcase__track { animation-direction: reverse; }
.hero__showcase:hover .showcase__track { animation-play-state: paused; }
@keyframes showcase-up { to { transform: translateY(calc(-50% - 10px)); } }

.showcase__item {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  text-align: left;
  cursor: pointer;
}
.showcase__item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}
.showcase__item::after {
  content: "";
  position: absolute;
  inset: 0;
 background: linear-gradient(to top, rgba(6, 26, 51, 0.92) 0%, rgba(6, 26, 51, 0.7) 25%, rgba(6, 26, 51, 0) 60%);
}
.showcase__item:hover img { transform: scale(1.06); }

/* El texto de la tarjeta solo aparece al pasar el mouse */
.showcase__item::after,
.showcase__info {
  opacity: 0;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.showcase__info { transform: translateY(10px); }
.showcase__item:hover::after,
.showcase__item:hover .showcase__info,
.showcase__item:focus-visible::after,
.showcase__item:focus-visible .showcase__info {
  opacity: 1;
  transform: none;
}

.showcase__info {
  position: absolute;
  left: 18px; right: 18px; bottom: 18px;
  z-index: 1;
  display: grid;
  gap: 4px;
}
.showcase__tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: #7FD3EA; }
.showcase__title { font-size: 0.98rem; font-weight: 700; line-height: 1.25; color: var(--color-white); }

/* En tablet y celular se oculta: el texto ocupa todo el ancho */
@media (max-width: 1024px) {
  .hero__showcase { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .showcase__track { animation: none; }
}