/* ============================================================
   TELLO & ASOCIADOS — Landing Page
   Flat Design Premium · Mobile First
   ============================================================ */

/* ---------- 1. VARIABLES ---------- */
:root {
  /* Colores */
  --color-primary: #0F172A;
  --color-secondary: #1E3A8A;
  --color-action: #2563EB;
  --color-action-dark: #1D4ED8;
  --color-white: #FFFFFF;
  --color-gray-50: #F8FAFC;
  --color-gray-100: #E2E8F0;
  --color-gray-200: #CBD5E1;
  --color-text: #334155;
  --color-text-muted: #64748B;
  --color-accent: #C8A24A;
  --color-accent-dark: #B08D3A;
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #1EBE5A;

  /* Espaciados */
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Sombras (sutiles) */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.08);
  --shadow-header: 0 1px 0 rgba(15, 23, 42, 0.06), 0 4px 16px rgba(15, 23, 42, 0.05);

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* Transiciones */
  --t-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Fuentes */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Layout */
  --container: 1280px;
  --header-h: 76px;
  --header-h-scrolled: 62px;

  /* Z-index */
  --z-header: 1000;
  --z-fab: 900;
  --z-overlay: 1100;
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ---------- 3. HELPERS ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.skip-link {
  position: absolute;
  left: 50%;
  top: -60px;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  z-index: var(--z-overlay);
  transition: top var(--t-fast);
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 3px solid var(--color-action);
  outline-offset: 2px;
  border-radius: 4px;
}

.section {
  padding-block: var(--space-20);
}
.section--alt { background: var(--color-gray-50); }

.section__head {
  max-width: 680px;
  margin-bottom: var(--space-12);
}
.section__eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-action);
  margin-bottom: var(--space-3);
}
.section__eyebrow--light { color: var(--color-accent); }
.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}
.section__title--light { color: var(--color-white); }
.section__lead {
  margin-top: var(--space-4);
  font-size: 1.0625rem;
  color: var(--color-text-muted);
}

.grid { display: grid; gap: var(--space-6); }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

/* ---------- 4. BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.375rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: transform var(--t-fast), background-color var(--t-fast), box-shadow var(--t-fast), color var(--t-fast);
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn:active { transform: translateY(1px); }
.btn__icon { flex-shrink: 0; }

.btn--primary {
  background: var(--color-action);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--color-action-dark); box-shadow: var(--shadow-md); transform: translateY(-1px); }

.btn--whatsapp {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-gray-100);
}
.btn--whatsapp:hover { border-color: var(--color-whatsapp); color: var(--color-whatsapp-dark); transform: translateY(-1px); }

.btn--sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn--lg { padding: 0.9375rem 1.75rem; font-size: 1rem; }
.btn--block { width: 100%; }


/* ---------- 5. HEADER ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  z-index: var(--z-header);
  transition: height var(--t-base), background-color var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}
/* Sobre el hero oscuro: texto claro, sin fondo */
.site-header .logo { color: var(--color-white); }
.site-header .logo__img--header { filter: brightness(0) invert(1); }  
.site-header .logo__mark { color: var(--color-accent); }
.site-header .nav__link { color: #CBD5E1; }
.site-header .nav__link:hover { color: var(--color-white); background: rgba(255, 255, 255, 0.08); }
.site-header .nav__link.is-active { color: var(--color-accent); }
.site-header .nav__toggle-bar { background: var(--color-white); }

/* Al hacer scroll: header sólido, texto oscuro */
.site-header.is-scrolled {
  height: var(--header-h-scrolled);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  box-shadow: var(--shadow-header);
  border-bottom-color: var(--color-gray-100);
}
.site-header.is-scrolled .logo { color: var(--color-primary); }
.site-header.is-scrolled .logo__img--header { filter: none; }
.site-header.is-scrolled .logo__mark { color: var(--color-secondary); }
.site-header.is-scrolled .nav__link { color: var(--color-text); }
.site-header.is-scrolled .nav__link:hover { color: var(--color-action); background: var(--color-gray-50); }
.site-header.is-scrolled .nav__link.is-active { color: var(--color-action); }
.site-header.is-scrolled .nav__toggle-bar { background: var(--color-primary); }
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.logo__img--header{
    height: 100px;
    width: auto;
}

.logo__img--footer{
    height: 200px;
    width: auto;
}


.logo__mark { color: var(--color-secondary); display: inline-flex; }
.logo__amp { color: var(--color-accent); margin-inline: 1px; }
.logo--light { color: var(--color-white); }
.logo--light .logo__mark { color: var(--color-accent); }

.nav { display: flex; align-items: center; }
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.nav__link {
  display: inline-block;
  padding: 0.5rem 0.875rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: color var(--t-fast), background-color var(--t-fast);
}
.nav__link:hover { color: var(--color-action); background: var(--color-gray-50); }
.nav__link.is-active { color: var(--color-action); }
.nav__cta-item { margin-left: var(--space-3); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}
.nav__toggle-bar {
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 6. HERO (oscuro) ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--space-16));
  padding-bottom: var(--space-20);
  background:
    radial-gradient(circle at 78% 40%, rgba(37, 99, 235, 0.20), transparent 55%),
    radial-gradient(circle at 20% 85%, rgba(200, 162, 74, 0.10), transparent 50%),
    linear-gradient(160deg, #0B1120 0%, #0F172A 45%, #060B14 100%);
  overflow: hidden;
}
/* Rejilla sutil de fondo */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, #000 20%, transparent 75%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
  perspective: 1200px;
}
.hero__eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  background: rgba(200, 162, 74, 0.10);
  border: 1px solid rgba(200, 162, 74, 0.28);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}
.hero__title {
  font-size: clamp(2.125rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-white);
}
.hero__subtitle {
  margin-top: var(--space-6);
  font-size: 1.125rem;
  color: #94A3B8;
  max-width: 540px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}
/* Botón WhatsApp adaptado al fondo oscuro */
.hero .btn--whatsapp {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.22);
}
.hero .btn--whatsapp:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--color-whatsapp);
  color: var(--color-whatsapp);
}
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-top: var(--space-8);
  font-size: 0.9375rem;
  color: #94A3B8;
}
.hero__trust li { display: inline-flex; align-items: center; gap: var(--space-2); }
.hero__trust-dot {
  width: 7px; height: 7px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* ---------- 6b. ILUSTRACIÓN: LA DAMA DE LA JUSTICIA (PNG) ---------- */
.hero__illustration {
  position: relative;
  justify-self: center;
  width: 100%;
  max-width: 280px; /* Contenida en móvil; crece en pantallas mayores */
  order: -1;        /* En móvil aparece arriba, antes del texto */
}
/* Resplandor dorado detrás de la figura */
.hero__illustration::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 46%;
  width: 105%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    circle,
    rgba(200, 162, 74, 0.22) 0%,
    rgba(37, 99, 235, 0.10) 42%,
    transparent 68%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 1200ms ease-out 200ms;
}
.hero__illustration.is-forward::before { opacity: 1; }

/* La figura: arranca lejos y pequeña, y se acerca al cargar */
.hero__figure {
  position: relative;
  width: 100%;
  height: auto;
  transform: scale(0.82) translateY(18px);
  opacity: 0;
  transform-origin: 50% 60%;
  filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.55));
  transition:
    transform 1400ms cubic-bezier(0.16, 1, 0.3, 1),
    opacity 900ms ease-out;
  will-change: transform, opacity;
}
.hero__illustration.is-forward .hero__figure {
  transform: scale(1) translateY(0);
  opacity: 1;
}


/* ---------- 7. STRIP ---------- */
.strip {
  border-bottom: 1px solid var(--color-gray-100);
  background: var(--color-gray-50);
  padding-block: var(--space-6);
}
.strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4) var(--space-8);
  justify-content: center;
}
.strip__label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.strip__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  justify-content: center;
}
.strip__list li {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1rem;
  letter-spacing: -0.01em;
  opacity: 0.75;
}

/* ---------- 8. CARDS (base) ---------- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-action);
  margin-bottom: var(--space-5);
  transition: background-color var(--t-base), color var(--t-base);
}

/* ---------- 9. SERVICIOS ---------- */
/* ---------- 9. SERVICIOS ---------- */
.service-card {
  display: flex;
  flex-direction: column;
}
.service-card__title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  line-height: 1.3;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-100);
}
.service-card:hover .icon-box {
  background: var(--color-action);
  color: var(--color-white);
}

/* Cuerpo colapsable: altura fija uniforme en todas las tarjetas */
.service-card__body {
  position: relative;
  overflow: hidden;
  height: 200px;          /* altura fija = mismas filas visibles en todas */
  transition: height 500ms cubic-bezier(0.4, 0, 0.2, 1);
}
.service-card__body::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 72px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0), var(--color-white) 88%);
  pointer-events: none;
  opacity: 1;
  transition: opacity var(--t-base);
}
.service-card.is-open .service-card__body {
  height: var(--body-full-h, 2000px); /* JS setea el valor exacto */
}
.service-card.is-open .service-card__body::after { opacity: 0; }

/* Grupos temáticos dentro de cada tarjeta */
.svc-group + .svc-group { margin-top: var(--space-5); }
.svc-group__title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.01em;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-gray-100);
}

/* Listas con viñeta dorada */
.svc-list {
  display: flex;
  flex-direction: column;
  gap: 0.4375rem;
}
.svc-list li {
  position: relative;
  padding-left: 1.125rem;
  font-size: 0.9063rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}
.svc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 5px;
  height: 5px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
}

/* Acciones al pie de la tarjeta */
.service-card__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: var(--space-5);
}

/* Botón "Ver todos los servicios" */
.svc-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0.375rem 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color var(--t-fast);
}
.svc-toggle:hover { color: var(--color-primary); }
.svc-toggle__chevron { transition: transform var(--t-base); flex-shrink: 0; }
.service-card.is-open .svc-toggle__chevron { transform: rotate(180deg); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-action);
}
.link-arrow span { transition: transform var(--t-fast); }
.link-arrow:hover span { transform: translateX(4px); }

/* ---------- 10. POR QUÉ / FEATURES ---------- */
.feature { padding: var(--space-2) 0; }
.feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  color: var(--color-secondary);
  margin-bottom: var(--space-4);
  transition: transform var(--t-base);
}
.feature:hover .feature__icon { transform: translateY(-3px); }
.feature__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.feature__text { color: var(--color-text-muted); font-size: 0.9375rem; }

/* ---------- 11. TIMELINE / PROCESO ---------- */
.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  position: relative;
}
.timeline__item {
  position: relative;
  padding-left: var(--space-16);
}
.timeline__num {
  position: absolute;
  left: 0; top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.9375rem;
}
.timeline__title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.timeline__text { color: var(--color-text-muted); font-size: 0.9375rem; }

/* ---------- 12. STATS ---------- */
.stats-section {
  background: var(--color-primary);
  background-image:
    radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.18), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(200, 162, 74, 0.1), transparent 40%);
}
.stats { text-align: center; }
.stat {
  padding: var(--space-8) var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
}
.stat__num {
  display: block;
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-white);
  line-height: 1;
}
.stat__label {
  display: block;
  margin-top: var(--space-3);
  color: var(--color-gray-200);
  font-size: 0.9375rem;
  font-weight: 500;
}

/* ---------- 13. TESTIMONIOS ---------- */
.testimonial { display: flex; flex-direction: column; gap: var(--space-4); }
.testimonial:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.testimonial__stars { display: flex; gap: 3px; color: var(--color-accent); }
.testimonial__quote {
  font-size: 1.0625rem;
  color: var(--color-text);
  line-height: 1.6;
  font-style: normal;
}
.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
  font-size: 0.9375rem;
}
.testimonial__author strong { color: var(--color-primary); font-weight: 700; }
.testimonial__role { color: var(--color-text-muted); font-size: 0.875rem; }
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-secondary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

/* ---------- 14. EQUIPO ---------- */
.member { text-align: center; }
.member:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.member__photo {
  display: inline-block;
  width: 96px; height: 96px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-4);
  border: 3px solid var(--color-gray-50);
}
.member__name { font-size: 1.125rem; font-weight: 700; color: var(--color-primary); }
.member__role { color: var(--color-action); font-size: 0.9375rem; font-weight: 500; margin-top: 2px; }
.member__exp { color: var(--color-text-muted); font-size: 0.875rem; margin-top: var(--space-2); }

/* ---------- 15. CTA BAND ---------- */
.cta-band {
  background: var(--color-secondary);
  background-image: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.4), transparent 55%);
}
.cta-band__inner {
  text-align: center;
  padding-block: var(--space-20);
  max-width: 720px;
}
.cta-band__title {
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-white);
  line-height: 1.15;
}
.cta-band__text {
  margin-top: var(--space-4);
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.82);
}
.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-8);
}

/* ---------- 16. CONTACTO / FORM ---------- */
.contacto__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}
.contacto__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.contacto__details li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--color-text);
  font-size: 0.9375rem;
}
.contacto__icon {
  display: inline-flex;
  color: var(--color-action);
  flex-shrink: 0;
  margin-top: 2px;
}
.contacto__details a:hover { color: var(--color-action); }

.form { display: flex; flex-direction: column; gap: var(--space-5); }
.form__row { display: flex; flex-direction: column; gap: var(--space-2); }
.form__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
.form__label { font-size: 0.875rem; font-weight: 600; color: var(--color-primary); }
.form__input {
  width: 100%;
  padding: 0.75rem 0.875rem;
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-100);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form__input::placeholder { color: var(--color-gray-200); }
.form__input:focus {
  outline: none;
  border-color: var(--color-action);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.form__input.is-invalid { border-color: #DC2626; }
.form__input.is-invalid:focus { box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12); }
.form__textarea { resize: vertical; min-height: 110px; }
.form__select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.875rem center; padding-right: 2.5rem; cursor: pointer; }
.form__error { font-size: 0.8125rem; color: #DC2626; min-height: 1rem; }

.form__row--check { gap: var(--space-2); }
.form__check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}
.form__check input { position: absolute; opacity: 0; width: 0; height: 0; }
.form__check-box {
  width: 20px; height: 20px;
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
  transition: background-color var(--t-fast), border-color var(--t-fast);
}
.form__check-box::after {
  content: "";
  position: absolute;
  left: 6px; top: 2px;
  width: 5px; height: 10px;
  border: solid var(--color-white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform var(--t-fast);
}
.form__check input:checked + .form__check-box {
  background: var(--color-action);
  border-color: var(--color-action);
}
.form__check input:checked + .form__check-box::after { transform: rotate(45deg) scale(1); }
.form__check input:focus-visible + .form__check-box { outline: 3px solid var(--color-action); outline-offset: 2px; }
.form__check-text a { color: var(--color-action); font-weight: 500; }
.form__check-text a:hover { text-decoration: underline; }

.form__success {
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-secondary);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9375rem;
  text-align: center;
}

/* ---------- 17. FOOTER ---------- */
.footer {
  background: var(--color-primary);
  color: var(--color-gray-200);
  padding-top: var(--space-20);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-16);
}
.footer__desc {
  margin-top: var(--space-4);
  font-size: 0.9375rem;
  color: #94A3B8;
  max-width: 320px;
}
.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-gray-200);
  transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.footer__social a:hover { background: var(--color-accent); color: var(--color-primary); border-color: var(--color-accent); }

.footer__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}
.footer__links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer__links a { font-size: 0.9375rem; color: #94A3B8; transition: color var(--t-fast); }
.footer__links a:hover { color: var(--color-white); }

.footer__address { font-style: normal; font-size: 0.9375rem; color: #94A3B8; line-height: 1.9; }
.footer__address a:hover { color: var(--color-white); }
.footer__map { margin-top: var(--space-4); border-radius: var(--radius-md); overflow: hidden; }

.footer__bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding-block: var(--space-6); }
.footer__bottom-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
  font-size: 0.875rem;
  color: #94A3B8;
}
.footer__legal { display: flex; gap: var(--space-5); }
.footer__legal a:hover { color: var(--color-white); }

/* ---------- 18. FLOATING BUTTONS ---------- */
.fab-whatsapp {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  width: 56px; height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-whatsapp);
  color: var(--color-white);
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  z-index: var(--z-fab);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.fab-whatsapp:hover { transform: scale(1.06); box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45); }

.back-to-top {
  position: fixed;
  right: var(--space-5);
  bottom: calc(var(--space-5) + 56px + var(--space-3));
  width: 44px; height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  color: var(--color-primary);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  z-index: var(--z-fab);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast), background-color var(--t-fast), color var(--t-fast);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-primary); color: var(--color-white); }

/* ---------- 19. REVEAL ANIMATION ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow), transform var(--t-slow);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   20. RESPONSIVE — Tablet
   ============================================================ */
@media (min-width: 640px) {
  .form__grid { grid-template-columns: 1fr 1fr; }
  .footer__bottom-inner { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
  .hero__illustration { max-width: 360px; }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
  .timeline__item { padding-left: 0; padding-top: var(--space-16); }
  .timeline__num { top: 0; }
  .timeline::before {
    content: "";
    position: absolute;
    top: 24px;
    left: 24px; right: 24px;
    height: 2px;
    background: linear-gradient(to right, var(--color-gray-100), var(--color-gray-200), var(--color-gray-100));
    z-index: 0;
  }
  .footer__grid { grid-template-columns: 2fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

/* ============================================================
   21. RESPONSIVE — Desktop
   ============================================================ */
@media (min-width: 1024px) {
  .section { padding-block: var(--space-24); }
  .hero__inner { grid-template-columns: 1.05fr 0.95fr; gap: var(--space-16); }
  .hero__illustration {
    justify-self: end;
    max-width: 460px;
    order: 0; /* Vuelve a la derecha del texto */
  }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .contacto__inner { grid-template-columns: 0.85fr 1.15fr; gap: var(--space-16); }
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1.4fr; }
  .footer__brand { grid-column: auto; }
}

/* ============================================================
   22. MOBILE NAV (below 900px)
   ============================================================ */
@media (max-width: 899px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-white);
    padding: var(--space-4) var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-gray-100);
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--t-base), opacity var(--t-base), visibility var(--t-base);
  }
  .nav__menu.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav__link {
    display: block;
    padding: var(--space-4) var(--space-2);
    border-bottom: 1px solid var(--color-gray-50);
    font-size: 1rem;
  }
  /* El panel móvil es blanco: los enlaces van oscuros aunque el header sea transparente */
  .site-header .nav__menu .nav__link,
  .site-header.is-scrolled .nav__menu .nav__link { color: var(--color-text); }
  .site-header .nav__menu .nav__link:hover,
  .site-header.is-scrolled .nav__menu .nav__link:hover { color: var(--color-action); background: var(--color-gray-50); }
  .site-header .nav__menu .nav__link.is-active,
  .site-header.is-scrolled .nav__menu .nav__link.is-active { color: var(--color-action); }

  .nav__cta-item { margin-left: 0; margin-top: var(--space-4); }
  .nav__cta-item .btn { width: 100%; }
}

/* ============================================================
   23. REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}