/* Mallanet.org — hoja de estilos del sitio institucional.
   Derivada del Malla Net Design System (tokens/ + templates/).
   Dirección: precisión institucional serena — ritmo de 8px, azul monocromático,
   los bordes hacen el trabajo, las sombras susurran. */

/* ---------- Tokens ---------- */
:root {
  /* Brand blues */
  --blue-950: #0B1526;
  --blue-900: #0D1650;
  --blue-800: #094A8F;
  --blue-700: #0055AA;
  --blue-600: #045EBA;
  --blue-500: #1874C7;
  --blue-400: #4BACF1;
  --blue-200: #A3C6E5;
  --blue-100: #D6E9FA;
  --blue-50:  #EFF6FC;

  /* Neutrals */
  --white: #FFFFFF;
  --gray-50:  #F9FBFD;
  --gray-200: #D0DDEA;
  --gray-500: #5B6B82;
  --gray-700: #33445C;

  /* Semantic (estado, no decoración) */
  --green-600: #1F8A5B;

  /* Type */
  --font-display: 'Nunito', 'Trebuchet MS', system-ui, sans-serif;
  --font-body: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif;

  /* Fluid type scale */
  --text-hero: clamp(34px, 2.2rem + 2.4vw, 60px);
  --text-title: clamp(26px, 1.45rem + 1.2vw, 36px);
  --text-page-title: clamp(30px, 1.6rem + 1.4vw, 42px);
  --text-card-title: 19px;
  --text-body-size: 17px;

  /* Effects */
  --shadow-card: 0 1px 3px rgba(13, 22, 80, 0.06), 0 4px 14px rgba(13, 22, 80, 0.05);
  --shadow-raised: 0 6px 24px rgba(13, 22, 80, 0.12);
  --ring-focus: 0 0 0 3px rgba(24, 116, 199, 0.35);
  --ease-out: cubic-bezier(0.2, 0.7, 0.3, 1);
  --duration-fast: 120ms;
  --duration-base: 200ms;

  /* Layout */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --container-max: 1120px;
  --tap-target: 44px;
  --section-y: clamp(56px, 4rem + 2vw, 96px);
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  line-height: 1.6;
  color: var(--gray-700);
  -webkit-text-size-adjust: 100%;
  font-feature-settings: 'kern' 1, 'liga' 1;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.12;
  color: var(--blue-900);
  text-wrap: balance;
  margin: 0;
}
p { text-wrap: pretty; margin: 0; }
::selection { background: var(--blue-100); color: var(--blue-900); }
a { color: var(--blue-500); text-decoration: none; }
a:hover { color: var(--blue-700); text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: none;
  box-shadow: var(--ring-focus);
}
img { max-width: 100%; height: auto; }

.container { max-width: var(--container-max); margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section-inner { max-width: var(--container-max); margin: 0 auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--blue-700); color: var(--white);
  padding: 10px 18px; border-radius: 0 0 var(--radius-sm) 0; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header-wrap {
  position: sticky; top: 0; z-index: 10;
  background: var(--white);
  border-bottom: 1px solid #EFF3F8;
}
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--container-max); margin: 0 auto; padding: 13px 24px;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.brand:hover { text-decoration: none; }
.brand img { height: 42px; width: auto; }
.brand .wordmark {
  font-family: var(--font-display); font-weight: 900; font-size: 23px;
  color: var(--blue-600); letter-spacing: -0.01em;
}
.brand .wordmark .tld { color: var(--blue-400); }

.site-nav { display: flex; align-items: center; gap: 26px; font-size: 16px; font-weight: 600; }
.site-nav a:not(.btn) {
  color: var(--blue-700);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--duration-base) var(--ease-out);
}
.site-nav a:not(.btn):hover { color: var(--blue-800); text-decoration: none; border-bottom-color: var(--blue-200); }
.site-nav a[aria-current="page"]:not(.btn) { border-bottom-color: var(--blue-400); }

/* Selector de idioma */
.lang-switch {
  display: inline-flex; align-items: center; gap: 2px;
  border: 1px solid var(--gray-200); border-radius: var(--radius-pill);
  padding: 3px; margin-left: 2px;
}
.lang-switch a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 34px; min-height: 30px; padding: 0 8px;
  border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 700; letter-spacing: 0.02em;
  color: var(--gray-500);
}
.lang-switch a:hover { color: var(--blue-700); text-decoration: none; background: var(--blue-50); }
.lang-switch a[aria-current="true"] { background: var(--blue-700); color: var(--white); }

/* Menú móvil (details/summary, sin JavaScript) */
.nav-toggle { display: none; position: relative; }
.nav-toggle > summary {
  list-style: none; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--tap-target); min-width: var(--tap-target);
  border: 1px solid var(--gray-200); border-radius: var(--radius-md);
  color: var(--blue-700); font-weight: 700; font-size: 15px; padding: 0 14px;
}
.nav-toggle > summary::-webkit-details-marker { display: none; }
.nav-toggle > summary:focus-visible { border-radius: var(--radius-md); }
.nav-toggle[open] > summary { background: var(--blue-50); }
.nav-toggle .menu {
  position: absolute; right: 0; top: calc(100% + 8px);
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-raised);
  padding: 8px; min-width: 230px;
  display: flex; flex-direction: column;
}
.nav-toggle .menu a {
  display: flex; align-items: center; min-height: var(--tap-target);
  padding: 0 14px; border-radius: var(--radius-md);
  color: var(--blue-700); font-weight: 600;
}
.nav-toggle .menu a:hover { background: var(--blue-50); text-decoration: none; }
.nav-toggle .menu .menu-langs {
  display: flex; gap: 4px; padding: 10px 14px 6px;
  border-top: 1px solid var(--blue-50); margin-top: 6px;
}
.menu-lang-links { display: inline-flex; gap: 4px; }
.nav-toggle .menu .menu-langs a {
  min-height: 34px; padding: 0 10px; font-size: 13px; font-weight: 700;
  border: 1px solid var(--gray-200); border-radius: var(--radius-pill);
  color: var(--gray-500);
}
.nav-toggle .menu .menu-langs a[aria-current="true"] {
  background: var(--blue-700); border-color: var(--blue-700); color: var(--white);
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 0 28px;
  border-radius: var(--radius-pill); white-space: nowrap;
  font-family: var(--font-display); font-weight: 800; font-size: 17px;
  text-decoration: none;
  transition: background-color var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}
.btn:hover { text-decoration: none; }
.btn:active { transition-duration: var(--duration-fast); }
.btn .arrow { transition: transform var(--duration-base) var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }
.btn-sm { min-height: var(--tap-target); padding: 0 20px; font-size: 15px; }
.btn-primary { background: var(--blue-600); color: var(--white); }
.btn-primary:hover { background: var(--blue-700); color: var(--white); }
.btn-primary:active { background: var(--blue-800); }
.btn-secondary { background: var(--white); border: 1px solid var(--blue-500); color: var(--blue-700); }
.btn-secondary:hover { background: var(--blue-50); color: var(--blue-700); }
.btn-on-blue { background: var(--white); color: var(--blue-700); }
.btn-on-blue:hover { background: var(--blue-50); color: var(--blue-700); }
.btn-outline-on-blue { border: 1px solid var(--blue-400); color: var(--white); }
.btn-outline-on-blue:hover { background: var(--blue-800); color: var(--white); }

/* ---------- Secciones ---------- */
.section { padding: var(--section-y) 24px; }
.section-wash { background: var(--gray-50); }

/* Banda oscura — la superficie navy del producto (terremotovenezuela.app #0B1526) */
.section-dark {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, var(--blue-900) 0%, var(--blue-950) 100%);
}
.section-dark .section-inner { position: relative; }
.section-dark .kicker { color: var(--blue-400); }
.section-dark .section-title { color: var(--white); }
.section-dark .section-rule { background: var(--blue-800); }
.section-dark .intro-para { color: var(--blue-100); }
.section-dark .intro-para a { color: var(--blue-400); }
.section-dark .intro-para a:hover { color: var(--white); }
.section-dark .check-list { color: var(--blue-100); }
.section-dark .check-list .check { color: var(--blue-400); }
.section-dark .tint-panel {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(163, 198, 229, 0.28);
}
.section-dark .tint-panel .kicker { color: var(--blue-400); }
.section-dark .tint-panel .lead { color: var(--blue-100); }
.section-dark .chip-stack { color: var(--blue-100); }
.section-dark .chip-stack > div {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(163, 198, 229, 0.22);
}
.section-head { max-width: 720px; margin-bottom: clamp(28px, 2rem + 1vw, 44px); }
.kicker {
  display: block;
  font-family: var(--font-display); font-weight: 800; font-size: 13px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue-500); margin-bottom: 10px;
}
.section-title { font-size: var(--text-title); letter-spacing: -0.01em; }
.section-sub { margin-top: 12px; font-size: 18px; color: var(--gray-500); max-width: 58ch; }
.section-rule {
  width: 72px; height: 3px; background: var(--blue-200);
  border-radius: 2px; border: 0; margin: 14px 0 0;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue-50); color: var(--blue-700);
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-pill); white-space: nowrap;
  padding: 7px 16px; font-size: 14px; font-weight: 600;
}
.eyebrow::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: var(--blue-400); flex-shrink: 0;
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero-grid {
  position: relative;
  max-width: var(--container-max); margin: 0 auto;
  padding: clamp(56px, 4rem + 3vw, 104px) 24px clamp(48px, 3rem + 2vw, 80px);
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center;
}
.hero-grid > div { min-width: 0; }
.hero h1 {
  margin: 20px 0 18px; font-weight: 900; font-size: var(--text-hero);
  line-height: 1.06; letter-spacing: -0.018em;
}
.hero .lede { margin-bottom: 32px; font-size: clamp(17px, 1rem + 0.3vw, 20px); line-height: 1.6; max-width: 52ch; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-art { position: relative; display: flex; justify-content: center; }
.hero-art::before {
  content: ''; position: absolute; inset: -12%;
  background: radial-gradient(closest-side, rgba(239, 246, 252, 0.9), transparent);
  z-index: 0;
}
.hero-art img, .hero-art picture {
  position: relative; z-index: 1;
  width: 80%; max-width: 360px; height: auto;
  filter: drop-shadow(0 24px 48px rgba(4, 94, 186, 0.16));
}
.hero-art picture img { width: 100%; max-width: none; }

/* Entrada serena — una sola vez, rápida, sin rebotes */
@media (prefers-reduced-motion: no-preference) {
  .hero-grid > div > * {
    animation: rise 340ms var(--ease-out) both;
  }
  .hero-grid > div > *:nth-child(2) { animation-delay: 50ms; }
  .hero-grid > div > *:nth-child(3) { animation-delay: 100ms; }
  .hero-grid > div > *:nth-child(4) { animation-delay: 150ms; }
  .hero-art { animation: fade 480ms var(--ease-out) both; }
}
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* Motivo de red de puntos (marca) — una esquina por sección */
.dot-grid { position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(75, 172, 241, 0.28) 1.8px, transparent 2.3px);
  background-size: 44px 44px;
}
.dot-grid-tr {
  -webkit-mask-image: radial-gradient(ellipse 55% 75% at 88% 8%, black 0%, transparent 100%);
  mask-image: radial-gradient(ellipse 55% 75% at 88% 8%, black 0%, transparent 100%);
}
.dot-grid-bl {
  background-image: radial-gradient(rgba(75, 172, 241, 0.3) 1.8px, transparent 2.3px);
  -webkit-mask-image: radial-gradient(ellipse 50% 90% at 10% 100%, black 0%, transparent 100%);
  mask-image: radial-gradient(ellipse 50% 90% at 10% 100%, black 0%, transparent 100%);
}
.dot-grid-soft { opacity: 0.55; }

/* ---------- Tarjetas ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  display: flex; flex-direction: column; align-items: flex-start;
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}
.card:hover { box-shadow: var(--shadow-raised); transform: translateY(-2px); border-color: var(--blue-200); }
.card h3 { margin: 0 0 10px; font-size: var(--text-card-title); line-height: 1.25; }
.card p { font-size: 15.5px; line-height: 1.6; color: var(--gray-500); }
.card .card-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: auto; padding-top: 18px;
  font-weight: 700; color: var(--blue-500); font-size: 15px;
}
.card .card-link::after { content: '→'; transition: transform var(--duration-base) var(--ease-out); }
.card .card-link:hover::after { transform: translateX(3px); }

.badge-num {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--blue-700); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 900; font-size: 17px;
  margin-bottom: 16px;
}
.icon-chip {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: var(--blue-100); color: var(--blue-700);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.icon-chip svg { width: 22px; height: 22px; }

/* ---------- Caso real ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 3vw, 56px); align-items: center; }
.intro-para { margin: 22px 0 20px; }
.link-strong { font-weight: 600; }
.check-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 14px; font-size: 16px; }
.check-list li { display: flex; gap: 12px; align-items: baseline; }
.check-list .check { color: var(--green-600); font-weight: 700; flex-shrink: 0; }
.tint-panel {
  background: var(--blue-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 32px;
}
.tint-panel .kicker { color: var(--blue-700); margin-bottom: 14px; }
.tint-panel .lead { margin: 0 0 20px; color: var(--gray-700); font-size: 17px; }
.chip-stack { display: flex; flex-direction: column; gap: 10px; font-size: 15px; color: var(--gray-500); }
.chip-stack > div {
  background: var(--white); border: 1px solid rgba(208, 221, 234, 0.6);
  border-radius: var(--radius-md); padding: 11px 16px;
}

/* ---------- Valores ---------- */
.values-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-top: 1px solid var(--gray-200);
}
.values-grid > div {
  display: flex; flex-direction: column; gap: 6px;
  padding: 24px 32px 24px 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 16px;
}
.values-grid > div:nth-child(odd) { border-right: 1px dotted var(--blue-200); }
.values-grid > div:nth-child(even) { padding-left: 32px; padding-right: 0; }
.values-grid strong {
  color: var(--blue-700); font-family: var(--font-display);
  font-weight: 800; font-size: 17px;
}

/* ---------- Banda CTA ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 75%, var(--blue-600) 100%);
  padding: clamp(64px, 4rem + 2vw, 88px) 24px; text-align: center;
}
.cta-band > * { position: relative; }
.cta-band img.mark { height: 64px; width: auto; margin-bottom: 20px; }
.cta-band h2 {
  margin: 0 auto 12px; max-width: 780px;
  font-size: clamp(24px, 1.4rem + 1vw, 34px); letter-spacing: -0.01em; color: var(--white);
}
.cta-band .sub { margin: 0 0 32px; color: var(--blue-100); font-size: 17px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-band .aux { margin-top: 24px; font-size: 15px; color: var(--blue-100); }
.cta-band .aux a { color: var(--white); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Pie ---------- */
.site-footer { background: var(--blue-950); color: var(--blue-200); font-size: 15px; }
.site-footer .footer-main {
  max-width: var(--container-max); margin: 0 auto;
  padding: clamp(40px, 3rem, 56px) 24px 32px;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px;
}
.site-footer .footer-brand { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.site-footer .footer-brand img { height: 40px; width: auto; }
.site-footer .footer-brand p { color: var(--blue-200); font-size: 15px; max-width: 34ch; line-height: 1.55; }
.site-footer .footer-col h3 {
  color: var(--white); font-size: 13px; font-weight: 800;
  letter-spacing: 0.12em; text-transform: uppercase; margin: 0 0 14px;
}
.site-footer .footer-col { display: flex; flex-direction: column; }
.site-footer .footer-col a {
  color: var(--blue-200); padding: 5px 0; display: inline-block;
}
.site-footer .footer-col a:hover { color: var(--white); }
.site-footer .footer-legal {
  border-top: 1px solid rgba(163, 198, 229, 0.18);
}
.site-footer .footer-legal .inner {
  max-width: var(--container-max); margin: 0 auto;
  padding: 18px 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px 20px; font-size: 14px;
}
.site-footer .footer-legal a { color: var(--blue-200); }
.site-footer .footer-legal a:hover { color: var(--white); }
.site-footer .footer-legal .links { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.footer-langs { display: inline-flex; gap: 12px; padding-left: 8px; border-left: 1px solid rgba(163, 198, 229, 0.3); }
.footer-langs a[aria-current="true"] { color: var(--white); font-weight: 700; }

/* ---------- Página interior ---------- */
.page-root { min-height: 100vh; display: flex; flex-direction: column; }
.page-title-band {
  position: relative; overflow: hidden;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200);
  padding: clamp(40px, 3rem + 1vw, 64px) 24px;
}
.page-title-band .inner { position: relative; max-width: 760px; margin: 0 auto; }
.page-title-band .crumb {
  font-size: 14px; color: var(--gray-500); margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.page-title-band .crumb a { color: var(--blue-500); font-weight: 600; }
.page-title-band .crumb .sep { color: var(--blue-200); }
.page-title-band h1 { font-weight: 900; font-size: var(--text-page-title); letter-spacing: -0.015em; }
.page-title-band .page-sub { margin-top: 10px; font-size: 17px; color: var(--gray-500); }

.page-content {
  max-width: 760px; width: 100%; margin: 0 auto;
  padding: clamp(40px, 3rem, 56px) 24px 72px; flex: 1;
}
.page-content h2 {
  margin: 40px 0 12px; font-size: 24px; letter-spacing: -0.005em;
}
.page-content h2:first-child { margin-top: 0; }
.page-content p { margin: 0 0 18px; }
.page-content ul { margin: 0 0 18px; padding-left: 22px; }
.page-content li { margin-bottom: 10px; }
.page-content li::marker { color: var(--blue-400); }

.note-block {
  background: var(--blue-50); border: 1px solid var(--blue-100);
  border-left: 3px solid var(--blue-500);
  border-radius: var(--radius-md); padding: 20px 24px; font-size: 16px;
  margin: 28px 0;
}
.note-block strong { color: var(--blue-700); font-family: var(--font-display); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 20px 0 8px; }

.meta-line { font-size: 15px; color: var(--gray-500); }

/* ---------- Página 404 ---------- */
.error-page { text-align: center; padding-top: 88px; }
.error-page h1 { font-weight: 900; font-size: var(--text-page-title); margin: 0 0 12px; }
.error-page p { color: var(--gray-500); margin: 0 0 30px; }
.error-langs { margin-top: 26px; font-size: 15px; color: var(--gray-500); display: flex; gap: 16px; justify-content: center; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-art { order: -1; }
  .hero-art img, .hero-art picture { max-width: 210px; }
  .card-grid { grid-template-columns: 1fr; gap: 16px; }
  .split { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .values-grid > div { padding: 20px 0; }
  .values-grid > div:nth-child(odd) { border-right: 0; }
  .values-grid > div:nth-child(even) { padding-left: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .site-footer .footer-main { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 780px) {
  .site-nav { display: none; }
  .nav-toggle { display: block; }
  .eyebrow { white-space: normal; border-radius: 16px; line-height: 1.4; }
  .btn { white-space: normal; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}