:root {
  --site-bg: #f4f7fb;
  --site-bg-alt: #eef4fb;
  --site-text: #17304d;
  --site-text-soft: rgba(23, 48, 77, 0.74);
  --site-primary: #071e36;
  --site-primary-2: #0056a3;
  --site-accent: #7bcce8;
  --site-surface: rgba(255, 255, 255, 0.9);
  --site-surface-strong: rgba(255, 255, 255, 0.96);
  --site-border: rgba(16, 32, 64, 0.1);
  --site-border-strong: rgba(30, 74, 144, 0.16);
  --site-shadow: 0 18px 45px rgba(16, 32, 64, 0.1);
  --site-shadow-strong: 0 28px 65px rgba(16, 32, 64, 0.16);
  --site-radius: 22px;
  --site-radius-lg: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Barlow", sans-serif;
  color: var(--site-text);
  background:
    radial-gradient(circle at top left, rgba(123, 204, 232, 0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(31, 79, 155, 0.12), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, var(--site-bg) 100%);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(30, 74, 144, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 74, 144, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

a {
  color: inherit;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

::selection {
  background: rgba(123, 204, 232, 0.34);
  color: #0f2342;
}

:focus-visible {
  outline: 3px solid rgba(123, 204, 232, 0.75);
  outline-offset: 2px;
}

.topbar,
body > nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(19, 43, 90, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(123, 204, 232, 0.16);
}

.brand,
.nav-brand {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.brand span,
.nav-brand span {
  color: var(--site-accent);
}

.top-links,
.nav-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem;
}

.top-link,
.top-button,
.nav-link,
.nav-pill,
.nav-back,
.hero-cta,
.btn,
.cta-btn,
.result-link,
.auth-menu-item,
.modal-admin-btn {
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease,
    opacity 0.2s ease;
}

.top-link:hover,
.top-button:hover,
.nav-link:hover,
.nav-pill:hover,
.nav-back:hover,
.hero-cta:hover,
.btn:hover,
.cta-btn:hover,
.result-link:hover,
.auth-menu-item:hover,
.modal-admin-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--site-shadow);
}

.page {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.9rem;
  color: var(--site-primary-2);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  border-radius: 999px;
  background: var(--site-accent);
}

h1,
h2,
h3,
h4 {
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1,
.section-title {
  font-family: "Playfair Display", serif;
}

.lead,
.section-intro,
.disclaimer,
.status,
.helper,
.empty-state,
.modal-text,
.modal-meta,
.source-text,
.result-note,
.option-note,
.flow-step p,
.stat .label {
  color: var(--site-text-soft);
  line-height: 1.65;
}

.section {
  margin-top: 2.8rem;
}

.card,
.summary-card,
.source-item,
.helper-card,
.result-card,
.option-card,
.flow-step,
.stat,
.search-card,
.session-popup-card,
.modal-card,
.noticia-card,
.cifra-item,
.razon-card,
.propuesta-fila {
  border-color: var(--site-border);
  box-shadow: var(--site-shadow);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.card:hover,
.summary-card:hover,
.source-item:hover,
.helper-card:hover,
.result-card:hover,
.option-card:hover,
.flow-step:hover,
.stat:hover,
.search-card:hover,
.noticia-card:hover,
.cifra-item:hover,
.razon-card:hover,
.propuesta-fila:hover {
  border-color: var(--site-border-strong);
  box-shadow: var(--site-shadow-strong);
  transform: translateY(-3px);
}

.card,
.summary-card,
.source-item,
.helper-card,
.result-card,
.option-card,
.flow-step,
.stat,
.search-card,
.session-popup-card,
.modal-card,
.noticia-card,
.cifra-item,
.razon-card,
.propuesta-fila {
  border-radius: var(--site-radius);
}

.btn,
.top-link,
.top-button,
.nav-link,
.nav-pill,
.nav-back,
.hero-cta,
.cta-btn,
.result-link,
.modal-admin-btn,
.auth-menu-item {
  padding: 0.78rem 1.1rem;
}

.btn.primary,
.top-link.primary,
.top-button.primary,
.nav-link-primary,
.hero-cta-primary,
.hero-cta-secondary,
.cta-btn-primary,
.result-link-primary {
  background: linear-gradient(135deg, var(--site-primary) 0%, var(--site-primary-2) 100%);
  color: #fff;
  border-color: transparent;
}

.btn.secondary,
.top-link.secondary,
.top-button.secondary,
.nav-link-secondary,
.hero-cta-secondary,
.cta-btn-secondary,
.result-link-secondary {
  background: rgba(255, 255, 255, 0.78);
  color: var(--site-primary);
  border-color: rgba(30, 74, 144, 0.16);
}

.topbar,
body > nav,
.topbar *,
body > nav * {
  box-sizing: border-box;
}

.topbar,
body > nav {
  box-shadow: 0 14px 40px rgba(10, 20, 46, 0.18);
}

.field input,
.field textarea,
.search-input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="url"],
input[type="number"],
textarea,
select {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(30, 74, 144, 0.14);
  border-radius: 16px;
  color: var(--site-text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.field input,
.field textarea,
.search-input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="url"],
input[type="number"],
textarea,
select {
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.field input:focus,
.field textarea:focus,
.search-input:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="url"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
  border-color: rgba(123, 204, 232, 0.9);
  box-shadow: 0 0 0 4px rgba(123, 204, 232, 0.18);
  outline: none;
}

.empty-state {
  background: rgba(255, 255, 255, 0.78);
  border: 1px dashed rgba(30, 74, 144, 0.18);
  border-radius: var(--site-radius);
  padding: 1.2rem;
}

hr {
  border: 0;
  border-top: 1px solid var(--site-border);
  margin: 2rem 0;
}

button:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

footer {
  color: var(--site-text-soft);
}

@media (max-width: 780px) {
  .page {
    width: min(100% - 1.2rem, 1180px);
    padding-top: 1.4rem;
  }

  .topbar,
  body > nav {
    padding-inline: 1rem;
  }
}