/* ═══════════════════════════════════════════════════════════
   claudiaacosta.ar — Sistema de diseño
   Paleta: Azul corporativo suave · Claudia Acosta
   Fuentes: Manrope (títulos) + Inter (cuerpo)
═══════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────── */
:root {
  /* Paleta principal — Azul institucional Claudia Acosta */
  --color-primary:       #94b6d1;   /* azul medio — botones, acentos */
  --color-primary-dark:  #7aa3c2;   /* hover states */
  --color-primary-light: #e8eff5;   /* fondos suaves, tinted sections */
  --color-accent:        #c2d5e5;   /* líneas, bordes activos */
  --color-accent-soft:   #cbddeb;   /* backgrounds alternativos */

  /* Fondos */
  --bg-site:    #fafafa;            /* fondo general del sitio */
  --bg-white:   #FFFFFF;
  --bg-dark:    #1e2d3d;            /* footer, CTA oscuro — azul muy oscuro */
  --bg-hero:    #c5d5e5;            /* header/nav background */

  /* Texto */
  --text-main:  #1a2633;            /* títulos — azul muy oscuro */
  --text-mid:   #3d5166;            /* cuerpo */
  --text-soft:  #6b8299;            /* secundario */
  --text-light: #fafafa;            /* sobre fondos oscuros */
  --text-nav:   #ffffff;            /* menú sobre header */

  /* Bordes */
  --border:     #d4e2ee;

  /* Sombras */
  --shadow-sm:  0 1px 3px rgba(17,24,39,0.06);
  --shadow-md:  0 4px 16px rgba(17,24,39,0.08);
  --shadow-lg:  0 8px 32px rgba(17,24,39,0.10);

  /* Tipografía */
  --font-display: 'Manrope', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Escala de texto */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* Espaciado */
  --space-1:  0.25rem;
  --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;

  /* Layout */
  --container-max: 1200px;
  --container-pad: 1.5rem;

  /* Border radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;

  /* Transiciones */
  --transition: 200ms ease;
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text-main);
  background-color: var(--bg-site);
  -webkit-font-smoothing: antialiased;
}

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

/* ── Accesibilidad ──────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ── Container ──────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ── Tipografía ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
}

h1 { font-size: clamp(2.25rem, 5vw, var(--text-6xl)); }
h2 { font-size: clamp(1.75rem, 3.5vw, var(--text-4xl)); }
h3 { font-size: clamp(1.25rem, 2.5vw, var(--text-2xl)); }
h4 { font-size: var(--text-xl); }

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: var(--text-lg);
  color: var(--text-mid);
  line-height: 1.7;
}

.text-muted { color: var(--text-soft); }
.text-primary { color: var(--color-primary); }

/* ── Botones ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

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

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn--outline:hover {
  background-color: var(--color-primary-light);
}

.btn--ghost {
  background-color: transparent;
  color: var(--text-main);
  border: 1.5px solid var(--border);
}
.btn--ghost:hover { border-color: var(--color-primary); }

.btn--dark {
  background-color: #ffffff;
  color: var(--text-main);
  font-weight: 600;
}
.btn--dark:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* Nav CTA override — blanco sobre header azul */
.nav .btn--primary {
  background-color: rgba(255,255,255,0.2);
  color: #ffffff;
  border: 1px solid rgba(255,255,255,0.5);
}
.nav .btn--primary:hover {
  background-color: rgba(255,255,255,0.35);
  box-shadow: none;
}

.btn--sm {
  padding: 0.5rem 1.125rem;
  font-size: var(--text-sm);
}

.btn--lg {
  padding: 0.875rem 2rem;
  font-size: var(--text-lg);
}

/* ── Eyebrow / label ───────────────────────────────────── */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section--dark .eyebrow {
  color: var(--color-accent-soft);
}

/* ── Secciones ──────────────────────────────────────────── */
.section {
  padding-block: var(--space-20);
}

.section--sm {
  padding-block: var(--space-12);
}

.section--dark {
  background-color: var(--bg-dark);
  color: var(--text-light);
}
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--text-light);
}
.section--dark .lead,
.section--dark p {
  color: #9CA3AF;
}

.section--tinted {
  background-color: var(--color-primary-light);
}

.section__header {
  margin-bottom: var(--space-12);
}

.section__header--centered {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

/* ── Grillas ────────────────────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

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

/* ── Navegación ────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #c5d5e5;
  border-bottom: 1px solid #adc7dd;
  backdrop-filter: blur(8px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: var(--space-8);
  position: relative;
}

.nav__logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.1;
}

.nav__logo-tagline {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.75);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: #ffffff;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link--active {
  color: #ffffff;
  background-color: rgba(255,255,255,0.15);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__mobile {
  display: none;
  position: absolute;
  top: 68px;
  left: 0;
  right: 0;
  background-color: #c5d5e5;
  border-top: 1px solid #adc7dd;
  padding: var(--space-4) var(--container-pad);
  z-index: 99;
  box-shadow: 0 8px 24px rgba(30,45,61,0.12);
}

.nav__mobile.is-open {
  display: block;
}

.nav__mobile-list { display: flex; flex-direction: column; gap: var(--space-1); }

.nav__mobile-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: 500;
  color: #ffffff;
  border-radius: var(--radius-md);
  transition: all var(--transition);
}
.nav__mobile-link:hover { color: #ffffff; background-color: rgba(255,255,255,0.15); }
.nav__mobile-link--cta {
  margin-top: var(--space-4);
  background-color: rgba(255,255,255,0.2);
  color: #fff;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.4);
}
.nav__mobile-link--cta:hover { background-color: rgba(255,255,255,0.3); color: #fff; }

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  background-color: #111827;
  color: var(--text-light);
  padding-block: var(--space-16) var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-3);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: #9CA3AF;
  line-height: 1.65;
  margin-bottom: var(--space-3);
}

.footer__location {
  font-size: var(--text-xs);
  color: #6B7280;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9CA3AF;
  margin-bottom: var(--space-4);
}

.footer__links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer__links a {
  font-size: var(--text-sm);
  color: #D1D5DB;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--color-primary); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid #1F2937;
}

.footer__copy { font-size: var(--text-sm); color: #6B7280; }

.footer__legal {
  display: flex;
  gap: var(--space-6);
}
.footer__legal a {
  font-size: var(--text-sm);
  color: #6B7280;
  transition: color var(--transition);
}
.footer__legal a:hover { color: #D1D5DB; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

@media (max-width: 768px) {
  :root { --container-pad: 1.25rem; }

  .nav__menu { display: none; }
  .nav__actions .btn--primary { display: none; }
  .nav__burger { display: flex; }
  .nav__mobile { display: none; }

  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }

  .section { padding-block: var(--space-12); }

  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; gap: var(--space-4); text-align: center; }
}

@media (max-width: 480px) {
  :root { --container-pad: 1rem; }
  .btn--lg { padding: 0.75rem 1.5rem; font-size: var(--text-base); }
}

/* ── Sobre Claudia responsive ───────────────────────────── */
@media (max-width: 768px) {
  .sobre-hero-grid {
    grid-template-columns: 1fr !important;
  }
  .sobre-hero-foto {
    display: none;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}