/* ==========================================================================
   Helson — Fundamentos y Práctica Contable | Panel Analítico
   Estilo: Compás Financiero — panel analítico limpio y profesional
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Colores base */
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f8;
  --color-bg-panel: #f8f9fb;
  --color-border: #e1e5ea;
  --color-border-strong: #cbd2db;

  /* Texto */
  --color-navy: #142a43;
  --color-navy-soft: #1f3a5c;
  --color-text: #29323d;
  --color-muted: #647184;

  /* Acento */
  --color-accent: #4fae82;
  --color-accent-soft: #e3f3ea;
  --color-accent-dark: #328a63;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(20, 42, 67, 0.06);
  --shadow-md: 0 6px 20px rgba(20, 42, 67, 0.08);
  --shadow-lg: 0 12px 32px rgba(20, 42, 67, 0.10);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --font-heading: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --max-width: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
  border-radius: var(--radius-md);
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.08rem; }

p { margin-bottom: 1rem; color: var(--color-text); }

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

.section {
  padding: 64px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 10px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 40px;
}

.section-head p {
  color: var(--color-muted);
  font-size: 1.05rem;
}

/* ---------- Top bar ---------- */
.topbar {
  background: var(--color-navy);
  color: #cfd9e4;
  font-size: 0.85rem;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}

.topbar a {
  color: #cfd9e4;
}

.topbar-info {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.topbar-info span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 200;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-navy);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.logo span {
  color: var(--color-accent-dark);
}

.logo small {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.68rem;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav > ul {
  display: flex;
  align-items: center;
  gap: 2px;
}

.main-nav > ul > li {
  position: relative;
}

.main-nav > ul > li > a,
.main-nav > ul > li > button {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-navy-soft);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}

.main-nav > ul > li > a:hover,
.main-nav > ul > li > button:hover,
.main-nav > ul > li.open > button {
  background: var(--color-bg-alt);
  color: var(--color-navy);
}

.caret {
  font-size: 0.6rem;
  transition: transform 0.15s ease;
}

.main-nav li.open .caret {
  transform: rotate(180deg);
}

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 260px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 10px;
  display: none;
  z-index: 50;
}

.main-nav li.open .dropdown {
  display: block;
}

.dropdown a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--color-text);
  font-weight: 500;
}

.dropdown a:hover {
  background: var(--color-accent-soft);
  color: var(--color-navy);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-navy);
  color: #fff;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--color-navy-soft);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  display: block;
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}

.breadcrumbs ul {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.breadcrumbs a {
  color: var(--color-navy-soft);
  font-weight: 500;
}

.breadcrumbs li:not(:last-child)::after {
  content: '/';
  margin-left: 8px;
  color: var(--color-border-strong);
}

/* ---------- Hero (sin badges, sin banners) ---------- */
.hero {
  padding: 72px 0 64px;
  background: var(--color-bg);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  margin-bottom: 20px;
}

.hero-lede {
  font-size: 1.12rem;
  color: var(--color-muted);
  max-width: 540px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-meta {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
}

.hero-meta div strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-navy);
}

.hero-meta div span {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.hero-visual img {
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

.page-hero {
  padding: 52px 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.page-hero h1 { margin-bottom: 14px; }
.page-hero p { color: var(--color-muted); font-size: 1.05rem; max-width: 720px; margin-bottom: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.94rem;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--color-navy);
  color: #fff;
}

.btn-primary:hover { background: var(--color-navy-soft); }

.btn-outline {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-navy);
}

.btn-outline:hover {
  border-color: var(--color-navy);
  background: var(--color-bg-alt);
}

.btn-accent {
  background: var(--color-accent);
  color: #0d3123;
}

.btn-accent:hover { background: var(--color-accent-dark); color: #fff; }

/* ---------- Dashboard cards / grids ---------- */
.grid {
  display: grid;
  gap: 24px;
}

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

.panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.panel-lg {
  padding: 36px;
}

.stat-card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.stat-card .stat-value {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-accent-dark);
  display: block;
  margin-bottom: 4px;
}

.stat-card .stat-label {
  font-size: 0.88rem;
  color: var(--color-muted);
  font-weight: 500;
}

.icon-tile {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-heading);
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.divider-line {
  height: 1px;
  background: var(--color-border);
  margin: 48px 0;
  border: none;
}

/* ---------- Content typography (article pages) ---------- */
.article-body h2 {
  margin-top: 42px;
  margin-bottom: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.article-body h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.article-body h3 {
  margin-top: 26px;
  margin-bottom: 12px;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 0;
  padding-left: 4px;
}

.article-body li {
  padding-left: 26px;
  position: relative;
  margin-bottom: 10px;
  color: var(--color-text);
}

.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 2px;
}

.article-body ol {
  counter-reset: step;
}

.article-body ol li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--color-navy);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Tables ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin: 28px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 560px;
}

thead th {
  background: var(--color-navy);
  color: #fff;
  text-align: left;
  padding: 14px 18px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

tbody td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) { background: var(--color-bg-panel); }

/* ---------- Callout box ---------- */
.callout {
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent-dark);
  background: var(--color-bg-panel);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 26px 0;
}

.callout strong { color: var(--color-navy); }

.callout-warn {
  border-left-color: #b5651d;
}

/* ---------- FAQ accordion ---------- */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--color-bg);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: var(--color-bg-panel);
  border: none;
  padding: 18px 22px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-question .plus {
  font-size: 1.3rem;
  color: var(--color-accent-dark);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item.active .plus { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 22px;
}

.faq-item.active .faq-answer {
  padding: 18px 22px 22px;
}

/* ---------- Steps ---------- */
.steps-list {
  display: grid;
  gap: 18px;
}

.step-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  align-items: flex-start;
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
}

/* ---------- Team / people ---------- */
.person-card {
  text-align: left;
}

.person-card img {
  margin-bottom: 16px;
  border: 1px solid var(--color-border);
}

.person-card h4 { margin-bottom: 2px; }
.person-card span {
  display: block;
  font-size: 0.85rem;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: 10px;
}

/* ---------- Blog cards ---------- */
.blog-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.blog-card img { border-radius: 0; margin: 0; }

.blog-card-body { padding: 22px; }

.blog-meta {
  font-size: 0.78rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  margin-bottom: 10px;
}

.blog-card h3 { margin-bottom: 10px; }

.blog-card p { color: var(--color-muted); font-size: 0.94rem; }

/* ---------- Forms ---------- */
.form-panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  gap: 20px;
  margin-bottom: 20px;
}

.form-row.two { grid-template-columns: 1fr 1fr; }

.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent-dark);
}

.field textarea { resize: vertical; min-height: 130px; }

.field-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.field-checkbox input { width: auto; margin-top: 3px; }

#form-success {
  display: none;
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent);
  color: var(--color-accent-dark);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-bottom: 20px;
  align-items: center;
  gap: 10px;
}

#form-success.show { display: flex; }

.contact-info-list {
  display: grid;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-info-item .icon-tile { margin-bottom: 0; flex-shrink: 0; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--color-navy);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: #b9c5d4; margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding-top: 56px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-navy);
  margin-bottom: 16px;
}

.footer-col ul li { margin-bottom: 10px; }

.footer-col ul a {
  color: var(--color-muted);
  font-size: 0.92rem;
}

.footer-col ul a:hover { color: var(--color-navy); }

.footer-about p {
  color: var(--color-muted);
  font-size: 0.92rem;
  max-width: 320px;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.footer-bottom a { color: var(--color-muted); }
.footer-bottom-links { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- Utility ---------- */
.text-center { text-align: center; margin-left: auto; margin-right: auto; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .site-header.nav-open .main-nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: 10px;
  }
  .site-header.nav-open .main-nav > ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .site-header.nav-open .dropdown {
    position: static;
    box-shadow: none;
    margin-top: 4px;
  }
  .nav-cta { display: none; }
}

@media (max-width: 700px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row.two { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .topbar-info { flex-direction: column; gap: 4px; }
}

@media (max-width: 500px) {
  .section { padding: 44px 0; }
  .panel-lg { padding: 24px; }
  .form-panel { padding: 24px; }
}