/* =========================================================
   Calculadora de Finiquito MX — hoja de estilos compartida
   Paleta: verde bosque profundo + ámbar cálido (profesional,
   evita el azul genérico típico de sitios "fintech").
   ========================================================= */

:root {
  --color-bg: #f6f4ee;
  --color-bg-alt: #ffffff;
  --color-ink: #1c211f;
  --color-ink-soft: #4a534f;
  --color-primary: #123832;
  --color-primary-light: #1d5147;
  --color-accent: #c98a3e;
  --color-accent-light: #e9b877;
  --color-border: #dcd6c7;
  --color-success-bg: #eef4ef;
  --color-warn-bg: #fbf1de;
  --color-warn-border: #e0ad57;
  --radius: 12px;
  --shadow: 0 6px 20px rgba(18, 56, 50, 0.08);
  --max-width: 980px;
  --font-body: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-head: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

a {
  color: var(--color-primary-light);
}

a:hover {
  color: var(--color-accent);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Header / Nav ---------- */

.site-header {
  background: var(--color-primary);
  color: #fff;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

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

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #e9e6db;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent-light);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  color: #fff;
  font-size: 1.4rem;
  padding: 0.25rem 0.6rem;
  cursor: pointer;
}

@media (max-width: 680px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-primary);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
    z-index: 20;
  }

  .nav-links.open {
    max-height: 320px;
  }

  .nav-links li {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .nav-links a {
    display: block;
    padding: 0.9rem 1.25rem;
  }

  .nav {
    position: relative;
  }
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #f4f1e8;
  padding: 2.75rem 0 3.25rem;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  margin: 0 0 0.75rem;
}

.hero p {
  max-width: 640px;
  margin: 0 auto;
  color: #dcd6c2;
  font-size: 1.05rem;
}

/* ---------- Page header (páginas internas) ---------- */

.page-hero {
  background: var(--color-primary);
  color: #f4f1e8;
  padding: 2.25rem 0;
  text-align: center;
}

.page-hero h1 {
  font-family: var(--font-head);
  margin: 0;
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
}

/* ---------- Main sections ---------- */

main {
  display: block;
}

section {
  padding: 3rem 0;
}

section.tight {
  padding: 2rem 0;
}

h2 {
  font-family: var(--font-head);
  color: var(--color-primary);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  margin-top: 0;
}

h3 {
  color: var(--color-primary-light);
  font-size: 1.15rem;
}

/* ---------- Disclaimer banner ---------- */

.disclaimer {
  background: var(--color-warn-bg);
  border: 1px solid var(--color-warn-border);
  border-left: 6px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  font-size: 0.95rem;
  color: #5c4008;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.disclaimer strong {
  color: #3d2a05;
}

.disclaimer .icon {
  font-size: 1.4rem;
  line-height: 1;
}

/* ---------- Calculator card ---------- */

.calc-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem;
  margin-top: 1.75rem;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem 1.5rem;
}

@media (max-width: 640px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field.full {
  grid-column: 1 / -1;
}

label {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-primary);
}

.hint {
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  margin-top: -0.15rem;
}

input[type="number"],
input[type="date"],
select {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  color: var(--color-ink);
  font-family: inherit;
}

input:focus,
select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

.date-select-group {
  display: grid;
  grid-template-columns: 0.8fr 1.3fr 0.9fr;
  gap: 0.5rem;
}

.date-select-group select {
  width: 100%;
  min-width: 0;
  padding-left: 0.5rem;
  padding-right: 0.4rem;
}

@media (max-width: 400px) {
  .date-select-group {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.salary-toggle {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  padding: 0.4rem 0;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-ink);
  cursor: pointer;
}

.radio-option input {
  accent-color: var(--color-primary);
  width: 1.05rem;
  height: 1.05rem;
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 0.85rem 1.75rem;
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #2c1c02;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  box-shadow: 0 4px 14px rgba(201, 138, 62, 0.4);
}

.btn-primary:active {
  transform: translateY(1px);
}

.form-actions {
  margin-top: 1.75rem;
  display: flex;
  justify-content: center;
}

.error-box {
  background: #fbeaea;
  border: 1px solid #e2a3a3;
  color: #7a1f1f;
  border-radius: 8px;
  padding: 0.85rem 1rem;
  margin-top: 1.25rem;
  font-size: 0.92rem;
}

/* ---------- Results ---------- */

#resultado {
  margin-top: 2rem;
  scroll-margin-top: 1rem;
}

.result-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem;
}

.result-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  background: var(--color-success-bg);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.result-summary .label {
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  font-weight: 600;
}

.result-summary .total {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-head);
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.96rem;
}

.breakdown-table th,
.breakdown-table td {
  text-align: left;
  padding: 0.7rem 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.breakdown-table th {
  color: var(--color-ink-soft);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.breakdown-table td.amount,
.breakdown-table th.amount {
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.breakdown-table tr.total-row td {
  border-bottom: none;
  border-top: 2px solid var(--color-primary);
  font-weight: 800;
  color: var(--color-primary);
  font-size: 1.05rem;
  padding-top: 1rem;
}

.breakdown-note {
  font-size: 0.8rem;
  color: var(--color-ink-soft);
}

/* ---------- Explanation section ---------- */

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

@media (max-width: 700px) {
  .info-grid {
    grid-template-columns: 1fr;
  }
}

.info-block {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.35rem 1.5rem;
}

.info-block h3 {
  margin-top: 0;
}

.example-box {
  background: var(--color-primary);
  color: #f4f1e8;
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-top: 1.75rem;
}

.example-box h3 {
  color: var(--color-accent-light);
  margin-top: 0;
}

.example-box table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
}

.example-box td {
  padding: 0.4rem 0.3rem;
  border-bottom: 1px solid rgba(244, 241, 232, 0.2);
}

.example-box td.amount {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.example-box tr.total-row td {
  border-bottom: none;
  border-top: 2px solid var(--color-accent-light);
  font-weight: 800;
  padding-top: 0.6rem;
}

section.alt-bg {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* ---------- Static content pages ---------- */

.content-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

.content-card h2 {
  margin-top: 1.75rem;
}

.content-card h2:first-child {
  margin-top: 0;
}

.content-card ul {
  padding-left: 1.25rem;
}

.contact-box {
  text-align: center;
  padding: 2.5rem 2rem;
}

.contact-email {
  display: inline-block;
  margin-top: 1rem;
  font-size: 1.2rem;
  font-weight: 700;
  background: var(--color-success-bg);
  border: 1px dashed var(--color-primary-light);
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  color: var(--color-primary);
  text-decoration: none;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-primary);
  color: #d8d3c2;
  padding: 2rem 0 1.25rem;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.footer-links a {
  color: #d8d3c2;
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-accent-light);
}

.footer-note {
  font-size: 0.8rem;
  color: #9aa39c;
  max-width: 560px;
}

.footer-bottom {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.78rem;
  color: #9aa39c;
  text-align: center;
}