/* ============================================
   RECLAMACIONES IRPH — Estilos principales
   ============================================ */

/* --- Variables --- */
:root {
  --color-primary: #1a3a5c;
  --color-primary-dark: #0f2540;
  --color-accent: #e8501a;
  --color-accent-light: #ff6b3d;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fb;
  --color-text: #1a1a2e;
  --color-text-muted: #5a6a7a;
  --color-border: #dde4ed;
  --color-success: #16a34a;
  --color-error: #dc2626;
  --color-warning-bg: #fffbeb;
  --color-warning-border: #f59e0b;

  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);

  --transition: 0.2s ease;
  --max-width: 1200px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  font-size: 16px;
}

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

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { padding-left: 1.25rem; }

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

/* --- Sections --- */
.section { padding: 80px 0; }
.section--alt { background: var(--color-bg-alt); }

.section__header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}

.section__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Grids --- */
.grid { display: grid; gap: 28px; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* ============================================
   HEADER
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.header.scrolled { box-shadow: var(--shadow-md); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-primary);
}

.logo__icon { font-size: 1.5rem; }
.logo__text { font-size: 1.1rem; font-weight: 600; letter-spacing: -0.02em; }
.logo__text strong { color: var(--color-accent); }
.logo--white .logo__text { color: #fff; }
.logo--white .logo__text strong { color: var(--color-accent-light); }

.nav__list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
}

.nav__link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}

.nav__link:hover { background: var(--color-bg-alt); color: var(--color-primary); text-decoration: none; }

.nav__link--cta {
  background: var(--color-accent);
  color: #fff !important;
  font-weight: 700;
  padding: 8px 18px;
}

.nav__link--cta:hover { background: var(--color-accent-light); text-decoration: none; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

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

.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1e4d7b 60%, #2563a8 100%);
  color: #fff;
  padding: 80px 0 90px;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
  position: relative;
}

.hero__badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  color: rgba(255,255,255,.9);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: #fff;
}

.highlight {
  color: #fbbf24;
  position: relative;
}

.hero__subtitle {
  font-size: 1.1rem;
  line-height: 1.75;
  color: rgba(255,255,255,.85);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: rgba(255,255,255,.8);
}

.trust-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: rgba(255,255,255,.15);
  border-radius: 50%;
  font-size: 0.7rem;
  color: #4ade80;
  font-weight: 700;
  flex-shrink: 0;
}

/* Hero cards */
.hero__card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  backdrop-filter: blur(8px);
  transition: transform var(--transition);
}

.stat-card:hover { transform: translateY(-2px); }

.stat-card--accent {
  background: rgba(232, 80, 26, .25);
  border-color: rgba(232, 80, 26, .4);
}

.stat-card__label {
  font-size: 0.8rem;
  color: rgba(255,255,255,.7);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.stat-card__value {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-card__desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,.75);
}

/* ============================================
   ALERT BANNER
   ============================================ */
.alert-banner {
  background: var(--color-warning-bg);
  border-top: 3px solid var(--color-warning-border);
  border-bottom: 1px solid #fde68a;
  padding: 16px 0;
}

.alert-banner__inner {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.alert-banner__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-banner p {
  font-size: 0.95rem;
  color: #92400e;
  line-height: 1.6;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }

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

.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn--ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; color: #fff; }

.btn--lg { padding: 14px 28px; font-size: 1rem; }
.btn--full { width: 100%; }

/* ============================================
   CONTENT BLOCKS
   ============================================ */
.content-block {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
}

.content-block__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-bg-alt);
}

.content-block p { color: var(--color-text-muted); line-height: 1.75; }
.content-block p + p { margin-top: 12px; }

/* ============================================
   COMPARISON TABLE
   ============================================ */
.comparison-table {
  margin-top: 48px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.comparison-table__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  padding: 20px 28px;
  border-bottom: 1px solid var(--color-border);
}

.table-wrapper { overflow-x: auto; }

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

th {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 14px 20px;
  text-align: left;
}

td {
  padding: 14px 20px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

tr:last-child td { border-bottom: none; }
tr:nth-child(even) td { background: #fafbfc; }

.good { color: var(--color-success); font-weight: 600; }
.bad { color: var(--color-error); font-weight: 600; }
.neutral { color: #d97706; font-weight: 600; }

/* ============================================
   CRITERIA CARDS
   ============================================ */
.criteria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin-bottom: 48px;
}

.criteria-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 2px solid;
}

.criteria-card--check { border-color: #16a34a; }
.criteria-card--cross { border-color: #dc2626; }

.criteria-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.criteria-card--check .criteria-card__icon { color: #16a34a; }
.criteria-card--cross .criteria-card__icon { color: #dc2626; }

.criteria-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.criteria-list { padding-left: 0; list-style: none; }
.criteria-list li {
  padding: 8px 0 8px 24px;
  position: relative;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  line-height: 1.5;
}

.criteria-list li:last-child { border-bottom: none; }

.criteria-card--check .criteria-list li::before { content: '✓'; position: absolute; left: 0; color: #16a34a; font-weight: 700; }
.criteria-card--cross .criteria-list li::before { content: '✗'; position: absolute; left: 0; color: #dc2626; font-weight: 700; }

/* ============================================
   CTA BOX
   ============================================ */
.cta-box {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
}

.cta-box__title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-box__text {
  color: rgba(255,255,255,.85);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

/* ============================================
   STEPS
   ============================================ */
.steps {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  counter-reset: step-counter;
  position: relative;
  margin-bottom: 40px;
}

.steps::before {
  content: '';
  position: absolute;
  left: 36px;
  top: 60px;
  bottom: 60px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
}

.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  position: relative;
  padding: 28px 0;
}

.step__number {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--color-bg);
}

.step__content {
  flex: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
}

.step__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.step__desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Note box */
.note-box {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.note-box__icon { font-size: 1.2rem; flex-shrink: 0; color: #1d4ed8; }
.note-box p { font-size: 0.9rem; color: #1e40af; line-height: 1.6; }

/* ============================================
   FEATURE CARDS
   ============================================ */
.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.feature-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.feature-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.feature-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 820px;
  margin: 0 auto 40px;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
  padding: 20px 0;
  transition: color var(--transition);
}

.faq-item__question:hover { color: var(--color-accent); }

.faq-item__arrow {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), background var(--transition);
}

.faq-item__arrow::after {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition);
}

.faq-item__question[aria-expanded="true"] .faq-item__arrow {
  background: var(--color-primary);
  transform: rotate(180deg);
}

.faq-item__question[aria-expanded="true"] .faq-item__arrow::after {
  border-color: #fff;
}

.faq-item__answer {
  padding: 0 0 24px;
}

.faq-item__answer p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.faq-cta {
  text-align: center;
  padding: 32px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  max-width: 820px;
  margin: 0 auto;
}

.faq-cta p {
  font-size: 1.05rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 16px;
}

/* ============================================
   ARTICLE PREVIEW
   ============================================ */
.article-preview {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.article-preview p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 28px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

/* Form */
.contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-group { margin-bottom: 20px; }
.form-group--checkbox { display: flex; align-items: flex-start; flex-direction: column; gap: 6px; }

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 92, .12);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
}

.form-textarea { resize: vertical; min-height: 120px; }

.form-error {
  display: block;
  font-size: 0.8rem;
  color: var(--color-error);
  margin-top: 4px;
  min-height: 1em;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.checkbox-label input[type="checkbox"] { margin-top: 3px; flex-shrink: 0; accent-color: var(--color-primary); }

.form-success {
  margin-top: 16px;
  padding: 16px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-sm);
  color: var(--color-success);
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
}

/* Contact info */
.contact-info {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.contact-info__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.contact-info__items { display: flex; flex-direction: column; gap: 16px; margin-bottom: 28px; }

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
}

.contact-info__icon { font-size: 1.4rem; flex-shrink: 0; }

.contact-info__item strong {
  display: block;
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.contact-info__item p { font-size: 0.9rem; color: var(--color-text-muted); }

.contact-info__guarantee {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 24px;
}

.contact-info__guarantee h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  color: rgba(255,255,255,.7);
}

.contact-info__guarantee ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-info__guarantee li { font-size: 0.9rem; color: rgba(255,255,255,.9); }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,.75);
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 32px;
}

.footer__tagline {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  color: rgba(255,255,255,.55);
}

.footer__nav-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,.4);
  margin-bottom: 16px;
}

.footer__nav ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; }

.footer__nav a {
  font-size: 0.875rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
  text-decoration: none;
}

.footer__nav a:hover { color: #fff; text-decoration: none; }

.footer__bottom {
  text-align: center;
}

.footer__bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,.4);
}

.footer__disclaimer {
  margin-top: 8px;
  font-size: 0.78rem !important;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   ARTICLE PAGE
   ============================================ */
.article-hero {
  background: var(--color-primary);
  color: #fff;
  padding: 60px 0;
}

.article-hero__breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 20px;
}

.article-hero__breadcrumb a {
  color: rgba(255,255,255,.7);
  text-decoration: none;
}

.article-hero__breadcrumb a:hover { color: #fff; }

.article-hero__title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.article-hero__meta {
  font-size: 0.85rem;
  color: rgba(255,255,255,.6);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 60px;
  align-items: start;
  padding: 64px 0;
}

.article-content h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 40px 0 16px;
  padding-top: 40px;
  border-top: 2px solid var(--color-border);
}

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

.article-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 28px 0 12px;
}

.article-content p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.article-content ul, .article-content ol {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.article-content li { margin-bottom: 8px; }

.article-content strong { color: var(--color-text); }

.article-content .highlight-box {
  background: #eff6ff;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  margin: 24px 0;
}

.article-content .highlight-box p { color: #1e40af; margin: 0; }

.article-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.sidebar-toc {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-toc__title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.sidebar-toc ol {
  padding-left: 1.2rem;
  list-style: decimal;
}

.sidebar-toc li { margin-bottom: 8px; }
.sidebar-toc a { font-size: 0.875rem; color: var(--color-primary); text-decoration: none; }
.sidebar-toc a:hover { text-decoration: underline; }

.sidebar-cta {
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
}

.sidebar-cta h3 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; }
.sidebar-cta p { font-size: 0.875rem; color: rgba(255,255,255,.85); margin-bottom: 20px; line-height: 1.6; }
.sidebar-cta .btn { background: #fff; color: var(--color-accent); width: 100%; }
.sidebar-cta .btn:hover { background: #fff3ee; color: var(--color-accent); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { position: static; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; display: flex; gap: 24px; flex-wrap: wrap; }
  .sidebar-toc, .sidebar-cta { flex: 1; min-width: 240px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .section { padding: 56px 0; }

  .nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--color-border); padding: 16px; box-shadow: var(--shadow-md); }
  .nav.open { display: block; }
  .nav__list { flex-direction: column; gap: 4px; }
  .nav__link { display: block; padding: 12px 16px; }
  .nav__toggle { display: flex; }

  .steps::before { left: 28px; }
  .step__number { width: 56px; height: 56px; font-size: 0.95rem; }

  .cta-box { padding: 32px 24px; }
  .contact-form { padding: 24px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__brand { grid-column: auto; }
}

@media (max-width: 480px) {
  .hero { padding: 56px 0; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .criteria-grid { grid-template-columns: 1fr; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeInUp 0.5s ease both;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}