/* ========================================
   Cálculo Salário Líquido 2026
   Design System & Styles
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,700;1,9..144,400&display=swap');

:root {
  --clr-bg: #F7F5F0;
  --clr-surface: #FFFFFF;
  --clr-surface-alt: #EDE9E0;
  --clr-primary: #1B6B4A;
  --clr-primary-light: #238C61;
  --clr-primary-dark: #0F4A32;
  --clr-accent: #D4A843;
  --clr-accent-light: #F2D98D;
  --clr-text: #1A1A1A;
  --clr-text-secondary: #5A5A5A;
  --clr-text-muted: #8A8A8A;
  --clr-border: #DDD8CE;
  --clr-success: #2E8B57;
  --clr-error: #C0392B;
  --clr-info-bg: #E8F5EE;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);

  --max-width: 1120px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

/* ---- Typography ---- */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.25; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); font-weight: 600; }
p { margin-bottom: 1em; }
a { color: var(--clr-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-primary-dark); }

/* ---- Header ---- */
.site-header {
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.92);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-primary-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: var(--clr-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
}

nav { display: flex; align-items: center; gap: 8px; }

nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

nav a:hover, nav a.active {
  color: var(--clr-primary);
  background: var(--clr-info-bg);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--clr-text);
  padding: 4px;
}

/* ---- Hero ---- */
.hero {
  padding: 56px 0 32px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--clr-info-bg);
  color: var(--clr-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.hero h1 {
  color: var(--clr-primary-dark);
  margin-bottom: 16px;
}

.hero h1 span { color: var(--clr-accent); }

.hero p {
  font-size: 1.1rem;
  color: var(--clr-text-secondary);
  max-width: 620px;
  margin: 0 auto 8px;
}

/* ---- Calculator Card ---- */
.calc-section { padding: 0 0 64px; }

.calc-card {
  background: var(--clr-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 880px;
  margin: 0 auto;
  border: 1px solid var(--clr-border);
}

.calc-header {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-dark) 100%);
  color: #fff;
  padding: 28px 36px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.calc-header-icon {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.calc-header h2 { color: #fff; font-size: 1.25rem; margin: 0; }
.calc-header p { color: rgba(255,255,255,0.8); font-size: 0.85rem; margin: 0; }

.calc-body { padding: 36px; }

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 16px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  pointer-events: none;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--clr-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--clr-text);
  background: var(--clr-bg);
  transition: all var(--transition);
  appearance: none;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--clr-primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(27, 107, 74, 0.1);
}

.form-group input.has-prefix { padding-left: 42px; }

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%238A8A8A'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--clr-bg);
  border-radius: var(--radius-md);
  border: 2px solid var(--clr-border);
  cursor: pointer;
  transition: all var(--transition);
}

.checkbox-group:hover { border-color: var(--clr-primary); }

.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--clr-primary);
  cursor: pointer;
}

.checkbox-group span {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
}

.btn-calc {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-dark) 100%);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}

.btn-calc:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(27, 107, 74, 0.3);
}

.btn-calc:active { transform: translateY(0); }

/* ---- Results ---- */
.results-panel {
  display: none;
  margin-top: 32px;
  animation: fadeSlideUp 0.5s ease;
}

.results-panel.visible { display: block; }

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-highlight {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin-bottom: 24px;
}

.result-highlight .label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.85;
  margin-bottom: 8px;
}

.result-highlight .value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.result-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.result-item {
  background: var(--clr-bg);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--clr-border);
}

.result-item .ri-label {
  font-size: 0.85rem;
  color: var(--clr-text-secondary);
}

.result-item .ri-value {
  font-weight: 700;
  font-size: 1rem;
  color: var(--clr-text);
}

.result-item.deduction .ri-value { color: var(--clr-error); }
.result-item.deduction .ri-value::before { content: "− "; }

/* ---- Info Section ---- */
.info-section {
  padding: 64px 0;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.info-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.info-card-icon {
  width: 48px;
  height: 48px;
  background: var(--clr-info-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.info-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.info-card p { font-size: 0.9rem; color: var(--clr-text-secondary); margin: 0; }

/* ---- Tables Section ---- */
.tables-section {
  padding: 0 0 64px;
}

.tables-section h2 { text-align: center; margin-bottom: 36px; }

.table-wrapper {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  margin-bottom: 32px;
}

.table-title {
  padding: 20px 28px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-bg);
}

.table-wrapper table {
  width: 100%;
  border-collapse: collapse;
}

.table-wrapper th,
.table-wrapper td {
  padding: 14px 28px;
  text-align: left;
  font-size: 0.9rem;
}

.table-wrapper th {
  font-weight: 600;
  color: var(--clr-text-secondary);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--clr-border);
}

.table-wrapper td { border-bottom: 1px solid var(--clr-border); }
.table-wrapper tr:last-child td { border-bottom: none; }
.table-wrapper tr:hover td { background: var(--clr-bg); }

/* ---- CTA Blog ---- */
.cta-blog {
  padding: 48px 0 64px;
}

.cta-blog-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.cta-blog-content { flex: 1; }
.cta-blog-content h2 { margin-bottom: 12px; }
.cta-blog-content p { color: var(--clr-text-secondary); margin-bottom: 20px; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: 2px solid var(--clr-primary);
  color: var(--clr-primary);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.btn-outline:hover {
  background: var(--clr-primary);
  color: #fff;
}

.cta-blog-visual {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--clr-info-bg) 0%, var(--clr-surface-alt) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  flex-shrink: 0;
}

/* ---- FAQ ---- */
.faq-section { padding: 0 0 64px; }
.faq-section h2 { text-align: center; margin-bottom: 36px; }

.faq-list { max-width: 760px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  background: var(--clr-surface);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition);
}

.faq-question:hover { color: var(--clr-primary); }

.faq-question .icon {
  font-size: 1.2rem;
  transition: transform var(--transition);
  color: var(--clr-text-muted);
}

.faq-item.open .faq-question .icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
  line-height: 1.7;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--clr-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 48px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo { color: #fff; margin-bottom: 12px; }
.footer-brand .logo-icon { background: rgba(255,255,255,0.15); }
.footer-brand p { font-size: 0.85rem; opacity: 0.75; max-width: 300px; }

.footer-col h4 {
  color: #fff;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  padding: 4px 0;
  transition: color var(--transition);
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ---- Blog Page ---- */
.blog-hero {
  padding: 48px 0 32px;
  text-align: center;
}

.blog-hero h1 { margin-bottom: 12px; }
.blog-hero p { color: var(--clr-text-secondary); font-size: 1.05rem; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  padding-bottom: 64px;
}

.blog-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.blog-card-thumb {
  height: 180px;
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.blog-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.blog-card-body .tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--clr-primary);
  background: var(--clr-info-bg);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
  width: fit-content;
}

.blog-card-body h3 { font-size: 1.1rem; margin-bottom: 10px; }
.blog-card-body h3 a { color: var(--clr-text); }
.blog-card-body h3 a:hover { color: var(--clr-primary); }
.blog-card-body p { font-size: 0.88rem; color: var(--clr-text-secondary); flex: 1; }

.blog-card-body .meta {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--clr-border);
}

/* ---- Blog Post ---- */
.post-header {
  padding: 48px 0 24px;
  max-width: 760px;
  margin: 0 auto;
}

.post-header .breadcrumb {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  margin-bottom: 20px;
}

.post-header .breadcrumb a { color: var(--clr-primary); }

.post-header h1 { margin-bottom: 16px; line-height: 1.2; }

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}

.post-content {
  max-width: 760px;
  margin: 0 auto;
  padding-bottom: 64px;
}

.post-content h2 {
  margin-top: 40px;
  margin-bottom: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--clr-border);
}

.post-content h3 { margin-top: 28px; margin-bottom: 12px; }
.post-content p { font-size: 1.02rem; color: var(--clr-text-secondary); }
.post-content ul, .post-content ol { padding-left: 24px; margin-bottom: 1em; color: var(--clr-text-secondary); }
.post-content li { margin-bottom: 6px; font-size: 1.02rem; }

.post-content .callout {
  background: var(--clr-info-bg);
  border-left: 4px solid var(--clr-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin: 24px 0;
  font-size: 0.95rem;
}

.post-content .callout p { margin: 0; }

.post-cta {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  margin: 40px 0;
}

.post-cta h3 { color: #fff; margin-bottom: 12px; }
.post-cta p { opacity: 0.85; margin-bottom: 20px; }

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--clr-primary-dark);
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  color: var(--clr-primary-dark);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .calc-grid { grid-template-columns: 1fr; }
  .result-breakdown { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .cta-blog-card { flex-direction: column; text-align: center; padding: 32px; }
  .cta-blog-visual { width: 120px; height: 120px; font-size: 3rem; order: -1; }
  .calc-body { padding: 24px; }
  .calc-header { padding: 20px 24px; }

  nav { display: none; }
  nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--clr-surface);
    border-bottom: 1px solid var(--clr-border);
    padding: 12px;
    box-shadow: var(--shadow-md);
  }

  .mobile-menu-btn { display: block; }

  .table-wrapper th,
  .table-wrapper td { padding: 10px 14px; font-size: 0.82rem; }
}

@media (max-width: 480px) {
  .hero { padding: 36px 0 20px; }
  .calc-card { border-radius: var(--radius-lg); }
}

/* ---- Animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}