/* ============================================
   TrasportiMerci.it — Design System
   Style: Professional, light, portal
   Mobile-first, Lighthouse 100
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-primary: #1B4D7A;
  --color-primary-dark: #0F3356;
  --color-primary-light: #2A6FAF;
  --color-accent: #B07A15;
  --color-accent-hover: #956710;
  --color-text: #1A1A1A;
  --color-text-light: #555;
  --color-text-muted: #666;
  --color-bg: #FFFFFF;
  --color-bg-light: #F7F8FA;
  --color-bg-card: #FFFFFF;
  --color-border: #E2E6EA;
  --color-success: #2E8B57;
  --color-error: #D44638;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --transition: 0.25s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-light); }
ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); margin-bottom: 0.75rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; color: var(--color-text-light); }
.lead { font-size: 1.15rem; color: var(--color-text-light); line-height: 1.8; }

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 4rem 0;
}

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

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr 1fr; }

@media (min-width: 768px) {
  .grid--2 { grid-template-columns: 1fr 1fr; }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- Header & Nav --- */
.header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.header__logo span {
  color: #8B6914;
}

.nav { display: none; }

.nav.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: 1rem;
  gap: 0;
}

.nav a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius);
}

.nav a:hover {
  background: var(--color-bg-light);
  color: var(--color-primary);
}

.nav__cta {
  background: var(--color-primary) !important;
  color: #fff !important;
  text-align: center;
  margin-top: 0.5rem;
  border-radius: var(--radius) !important;
}

.nav__cta:hover {
  background: var(--color-primary-dark) !important;
}

.nav__dropdown {
  position: relative;
}

.nav__dropdown-menu {
  display: none;
  padding-left: 1rem;
}

.nav__dropdown.is-open .nav__dropdown-menu {
  display: block;
}

.nav__dropdown-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__dropdown-toggle::after {
  content: '\25BC';
  font-size: 0.6rem;
  margin-left: 0.5rem;
  transition: transform var(--transition);
}

.nav__dropdown.is-open .nav__dropdown-toggle::after {
  transform: rotate(180deg);
}

@media (min-width: 992px) {
  .nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }

  .nav a {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
  }

  .nav__cta {
    margin-top: 0;
    margin-left: 0.5rem;
    padding: 0.5rem 1.25rem !important;
  }

  .nav__dropdown {
    position: relative;
  }

  .nav__dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 220px;
    padding: 0.5rem;
    z-index: 50;
  }

  .nav__dropdown:hover .nav__dropdown-menu {
    display: block;
  }

  .hamburger { display: none; }
}

.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Top Bar --- */
.topbar {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.85rem;
  padding: 0.4rem 0;
}

.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topbar a {
  color: rgba(255,255,255,0.9);
  font-weight: 500;
}

.topbar a:hover { color: #fff; }

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 4rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 50%;
  background: url('../img/hero-bg.png') center/cover no-repeat;
  opacity: 0.15;
}

/* --- Calcolatore --- */
.calc-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .calc-container {
    grid-template-columns: 1fr 1fr;
  }
}

.calc-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.calc-results {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.calc-results h3 {
  margin-bottom: 1.5rem;
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.result-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.result-item__value {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.result-item__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.25rem;
}

.result-recommendation {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  text-align: center;
  margin-top: 1rem;
}

.result-recommendation strong {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.result-recommendation span {
  font-size: 0.9rem;
  opacity: 0.85;
}

/* Canvas trailer visualization */
.calc-canvas-wrap {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-top: 1.5rem;
  text-align: center;
}

.calc-canvas-wrap h4 {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

#trailerCanvas {
  max-width: 100%;
  height: auto;
}

.calc-hidden {
  display: none;
}

/* Smart Paste */
.smart-paste-area {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-family: var(--font-main);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  background: var(--color-bg-light);
  resize: vertical;
  min-height: 80px;
}

.smart-paste-area:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(27,77,122,0.1);
}

.smart-paste-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  margin-bottom: 0;
}

/* Presets */
.calc-presets {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.calc-presets__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.calc-preset {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-main);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-light);
  cursor: pointer;
  transition: all var(--transition);
  color: var(--color-text);
}

.calc-preset:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: #fff;
}

/* Multi-cargo items */
.cargo-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  background: var(--color-bg-light);
}

.cargo-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.cargo-remove {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--color-error);
  padding: 0 0.25rem;
  line-height: 1;
}

.cargo-item__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .cargo-item__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cargo-item__grid .form-group {
  margin-bottom: 0;
}

.cargo-item__grid label {
  font-size: 0.8rem;
}

.cargo-item__grid input,
.cargo-item__grid select {
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
}

/* LDM Progress Bar */
.ldm-progress {
  margin-bottom: 1.5rem;
}

.ldm-progress__bar {
  height: 12px;
  background: var(--color-border);
  border-radius: 6px;
  overflow: hidden;
}

.ldm-progress__fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.4s ease, background 0.4s ease;
  min-width: 2px;
}

.ldm-progress__labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Vehicle Comparison */
.vehicle-comp-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-size: 0.85rem;
}

.vehicle-comp-item__name {
  width: 140px;
  flex-shrink: 0;
  font-weight: 500;
  color: var(--color-text);
}

.vehicle-comp-item__bar {
  flex: 1;
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.vehicle-comp-item__fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease;
}

.vehicle-comp-item__pct {
  width: 50px;
  text-align: right;
  font-weight: 600;
  font-size: 0.8rem;
}

.vehicle-comp-item--no .vehicle-comp-item__name {
  color: var(--color-text-muted);
}

/* Canvas Legend */
.canvas-legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
  font-size: 0.8rem;
}

.canvas-legend__item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.canvas-legend__color {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  display: inline-block;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero h1 {
  color: #fff;
  margin-bottom: 1.25rem;
  font-size: clamp(2rem, 5vw, 3rem);
}

.hero p {
  color: rgba(255,255,255,0.85);
  font-size: 1.15rem;
  margin-bottom: 2rem;
  max-width: 550px;
}

.hero__stats {
  display: flex;
  gap: 2rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
}

.hero__stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn--primary {
  background: #D4921F;
  color: #000;
}
.btn--primary:hover {
  background: #B87A15;
  color: #000;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.btn--secondary:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255,255,255,0.1);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: 1.1rem;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Cards --- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-bg-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  color: var(--color-primary);
}

.card__title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.card__text {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.card__link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.card__link::after {
  content: '\2192';
  transition: transform var(--transition);
}

.card__link:hover::after {
  transform: translateX(4px);
}

/* --- Route Card --- */
.route-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: all var(--transition);
}

.route-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.route-card__flags {
  font-size: 2rem;
  display: flex;
  gap: 0.25rem;
  white-space: nowrap;
}

.route-card__info h3 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.route-card__info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

.section-header__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section-header p {
  font-size: 1.05rem;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 3.5rem 0;
  text-align: center;
}

.cta-banner h2 { color: #fff; margin-bottom: 0.75rem; }
.cta-banner p { color: rgba(255,255,255,0.85); margin-bottom: 1.5rem; max-width: 600px; margin-left: auto; margin-right: auto; }

/* --- Features / Trust Bar --- */
.trust-bar {
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0;
}

.trust-bar__inner {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  text-align: center;
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.trust-bar__item strong {
  color: var(--color-primary);
  font-size: 1.1rem;
}

/* --- Form --- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: var(--font-main);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27,77,122,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.form-check input[type="checkbox"] {
  width: auto;
  margin-top: 3px;
  min-width: 16px;
  min-height: 16px;
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer h4,
.footer__heading {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.footer p {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
}

.footer a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  display: block;
  padding: 0.25rem 0;
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.75);
}

.footer__bottom a {
  display: inline;
  font-size: 0.8rem;
}

/* --- Cookie Banner --- */
.cookie-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  padding: 1.25rem;
  z-index: 1000;
}

.cookie-banner.is-visible { display: block; }

.cookie-banner__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .cookie-banner__inner {
    flex-direction: row;
    align-items: center;
  }
}

.cookie-banner__text {
  flex: 1;
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Garante-compliant: both buttons IDENTICAL style */
.btn--cookie {
  background: var(--color-bg-light);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  font-weight: 600;
}

.btn--cookie:hover {
  background: var(--color-border);
  color: var(--color-text);
}

/* Footer cookie settings button */
.footer-cookie-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-family: var(--font-main);
  cursor: pointer;
  padding: 0.25rem 0;
  display: block;
  transition: color var(--transition);
}

.footer-cookie-btn:hover {
  color: var(--color-accent);
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 1rem 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { margin: 0 0.4rem; }

/* --- Page Header --- */
.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 3rem 0;
}

.page-header h1 { color: #fff; margin-bottom: 0.5rem; }
.page-header p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 600px; margin: 0; }

/* --- Content Page --- */
.content-page {
  padding: 3rem 0;
}

.content-page h2 { margin-top: 2rem; }
.content-page ul { padding-left: 1.25rem; margin-bottom: 1rem; }
.content-page ul li { list-style: disc; margin-bottom: 0.4rem; color: var(--color-text-light); }

/* --- FAQ --- */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 0;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--color-primary);
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  content: '\2212';
}

.faq-item p {
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

/* --- Utilities --- */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* --- Portal Hero --- */
.hero--portal {
  padding: 5rem 0 4rem;
}

.hero__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1rem;
}

/* --- Article Cards --- */
.article-card {
  display: block;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
  text-decoration: none;
  color: var(--color-text);
}

.article-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.article-card__cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.article-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.article-card__excerpt {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.article-card__read {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* --- Category Cards --- */
.category-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-align: center;
  transition: all var(--transition);
}

.category-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.category-card__icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.category-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.category-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* --- Tool Banner --- */
.tool-banner {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
}

.tool-banner h2 { margin-bottom: 0.75rem; }
.tool-banner p { max-width: 600px; margin: 0 auto 1.5rem; }

/* --- Sponsor Banner --- */
.sponsor-banner {
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0;
}

.sponsor-banner__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.sponsor-banner__label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  writing-mode: vertical-lr;
  transform: rotate(180deg);
}

.sponsor-banner__content {
  flex: 1;
  min-width: 200px;
}

.sponsor-banner__content h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--color-primary);
}

.sponsor-banner__content p {
  font-size: 0.85rem;
  margin: 0;
  color: var(--color-text-light);
}

@media (max-width: 640px) {
  .sponsor-banner__label {
    writing-mode: horizontal-tb;
    transform: none;
  }
  .sponsor-banner__inner {
    flex-direction: column;
    text-align: center;
  }
}

/* --- Blog Content (prose) --- */
.blog-content { max-width: 750px; margin: 0 auto; }
.blog-content h2 { margin-top: 2.5rem; margin-bottom: 0.75rem; }
.blog-content h3 { margin-top: 2rem; }
.blog-content p { margin-bottom: 1.25rem; line-height: 1.8; }
.blog-content ul, .blog-content ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.blog-content ul li { list-style: disc; margin-bottom: 0.4rem; color: var(--color-text-light); }
.blog-content ol li { list-style: decimal; margin-bottom: 0.4rem; color: var(--color-text-light); }
.blog-content blockquote { border-left: 4px solid var(--color-primary); padding: 1rem 1.5rem; margin: 1.5rem 0; background: var(--color-bg-light); border-radius: 0 var(--radius) var(--radius) 0; }
.blog-content blockquote p { margin: 0; font-style: italic; }
.blog-content img { border-radius: var(--radius-lg); margin: 1.5rem 0; }
.blog-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.blog-content th, .blog-content td { padding: 0.75rem 1rem; border: 1px solid var(--color-border); text-align: left; font-size: 0.9rem; }
.blog-content th { background: var(--color-bg-light); font-weight: 600; }

.blog-meta { display: flex; gap: 1.5rem; flex-wrap: wrap; font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid var(--color-border); }
.blog-meta span { display: flex; align-items: center; gap: 0.3rem; }

.blog-nav { display: flex; justify-content: space-between; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }
.blog-nav a { font-size: 0.9rem; font-weight: 600; color: var(--color-primary); }

/* --- Language Switcher --- */
.lang-switcher { display: flex; gap: 0.5rem; align-items: center; }
.lang-switcher a { display: inline-block; padding: 0.2rem 0.5rem; font-size: 0.8rem; font-weight: 600; color: rgba(255,255,255,0.7); border-radius: 3px; text-transform: uppercase; }
.lang-switcher a:hover { color: #fff; background: rgba(255,255,255,0.15); }
.lang-switcher a.active { color: #fff; background: rgba(255,255,255,0.2); }

/* --- Print --- */
@media print {
  .header, .footer, .cookie-banner, .topbar, .sponsor-banner { display: none; }
  .hero { background: #fff; color: #000; }
  .hero h1, .hero p { color: #000; }
}