/* SD Trans — design tokens e estilos base
   Paleta extraída por amostragem de pixel do arquivo oficial do logo
   (sdtrans-logo.png): amarelo #fff500, preto #000000, cinza #c3c3c2. */

:root {
  /* marca */
  --color-brand-yellow: #fff500;
  --color-brand-yellow-dark: #d9c700;
  --color-brand-gray: #c3c3c2;
  --color-ink: #16181c;
  --color-gray-900: #24272c;
  --color-gray-700: #4d5157;
  --color-gray-500: #767b83;
  --color-gray-300: #c7cbd1;
  --color-gray-100: #f1f2f4;
  --color-white: #ffffff;
  --color-whatsapp: #25d366;
  --color-whatsapp-dark: #1ebe5b;

  /* categorias de curso — Obrigatórios */
  --c-coletivo: #1b4f91;
  --c-emergencia: #c0392b;
  --c-escolar: #d9791b;
  --c-mopp: #2f7d32;
  --c-mobilidade: #6a4c93;
  /* categorias de curso — Técnicos (família única, diferenciados por ícone) */
  --c-tecnico: #37474f;

  /* layout */
  --max-width: 1180px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(22, 24, 28, 0.08), 0 1px 1px rgba(22, 24, 28, 0.04);
  --shadow-md: 0 8px 24px rgba(22, 24, 28, 0.12);
  --shadow-lg: 0 20px 48px rgba(22, 24, 28, 0.18);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Outfit", var(--font-sans);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-gray-900);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; margin: 0 0 0.5em; color: var(--color-ink); }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.section--tight { padding: 40px 0; }
.section--alt { background: var(--color-gray-100); }
.section--dark { background: var(--color-ink); color: var(--color-white); }
.section--dark h2, .section--dark h3 { color: var(--color-white); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-brand-yellow-dark); margin-bottom: 12px;
}
.lede { font-size: 1.1rem; color: var(--color-gray-700); max-width: 62ch; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Skip link */
.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--color-ink); color: #fff;
  padding: 10px 16px; z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* Header / nav */
.site-header {
  position: sticky; top: 0; z-index: 100; background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-100); box-shadow: var(--shadow-sm);
}
.brand-bar { background: var(--color-ink); color: #fff; }
.brand-bar__inner { min-height: 66px; max-width: var(--max-width); margin: 0 auto; padding: 7px 20px; display: grid; grid-template-columns: 1fr minmax(280px, 2fr) 1fr; align-items: center; gap: 16px; }
.brand { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.2rem, 2vw, 1.55rem); color: var(--color-brand-yellow); letter-spacing: 0.02em; justify-self: start; }
.brand__claim { margin: 0; text-align: center; font-size: clamp(0.72rem, 1.3vw, 0.88rem); line-height: 1.35; color: rgba(255,255,255,0.92); }
.brand-logo { justify-self: end; }
.brand-logo img { height: 52px; width: auto; }
.site-header__bar { display: flex; align-items: center; justify-content: flex-end; gap: 16px; padding: 9px 20px; max-width: var(--max-width); margin: 0 auto; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav__item { position: relative; }
.nav__link { display: inline-flex; align-items: center; gap: 4px; padding: 10px 12px; font-weight: 600; font-size: 0.94rem; border-radius: var(--radius-sm); }
.nav__link:hover, .nav__link:focus-visible { background: var(--color-gray-100); }
.nav__dropdown {
  position: absolute; top: 100%; left: 0; min-width: 280px; background: var(--color-white);
  border: 1px solid var(--color-gray-100); border-radius: var(--radius-md); box-shadow: var(--shadow-md);
  padding: 8px; display: none; flex-direction: column; gap: 2px;
}
.nav__item:hover .nav__dropdown, .nav__item:focus-within .nav__dropdown { display: flex; }
.nav__dropdown a { padding: 10px 12px; border-radius: var(--radius-sm); font-size: 0.92rem; font-weight: 500; }
.nav__dropdown a:hover { background: var(--color-gray-100); }
.nav__dropdown .badge-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 8px; }

.header-cta { display: flex; align-items: center; gap: 10px; }
.menu-toggle { display: none; background: none; border: 0; font-size: 1.6rem; padding: 6px; cursor: pointer; }
.info-ticker { overflow: hidden; background: var(--color-brand-yellow); color: var(--color-ink); border-top: 1px solid rgba(0,0,0,0.12); white-space: nowrap; }
.info-ticker__track { min-width: max-content; display: inline-flex; gap: 16px; padding: 8px 20px; font-size: 0.82rem; animation: ticker 26s linear infinite; }
.info-ticker__track strong { font-family: var(--font-display); }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-28%); } }
@media (prefers-reduced-motion: reduce) { .info-ticker__track { animation: none; white-space: normal; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; font-size: 0.96rem; padding: 13px 22px; border-radius: 999px;
  border: 2px solid transparent; cursor: pointer; transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-brand-yellow); color: var(--color-ink); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-brand-yellow-dark); box-shadow: var(--shadow-md); }
.btn-whatsapp { background: var(--color-whatsapp); color: #fff; }
.btn-whatsapp:hover { background: var(--color-whatsapp-dark); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: var(--color-gray-300); color: var(--color-ink); }
.btn-outline:hover { border-color: var(--color-ink); }
.btn-ghost-light { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.5); color: #fff; }
.btn-ghost-light:hover { background: rgba(255,255,255,0.22); }
.btn-sm { padding: 9px 16px; font-size: 0.86rem; }
.btn-block { width: 100%; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

/* Hero */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__scrim { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(16,18,22,0.92) 0%, rgba(16,18,22,0.72) 45%, rgba(16,18,22,0.35) 100%); }
.hero__content { position: relative; padding: 88px 0 76px; max-width: 720px; }
.hero__content--course { padding: 64px 0 56px; max-width: 680px; }
.hero h1 { color: #fff; }
.hero .lede { color: rgba(255,255,255,0.88); font-size: 1.15rem; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; }
.hero-trust__item { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.92rem; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.25); padding: 8px 14px; border-radius: 999px; }
.hero-trust__item strong { color: var(--color-brand-yellow); }

/* Breadcrumbs */
.breadcrumbs { font-size: 0.82rem; color: var(--color-gray-500); padding: 14px 0; }
.breadcrumbs a { color: var(--color-gray-500); }
.breadcrumbs a:hover { color: var(--color-ink); text-decoration: underline; }
.breadcrumbs span[aria-hidden] { margin: 0 6px; }

/* Course badge */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 0.74rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; padding: 5px 10px; border-radius: 999px; color: #fff; }

/* Course grid + cards */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.course-card {
  display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--color-white); border: 1px solid var(--color-gray-100); box-shadow: var(--shadow-sm);
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}
.course-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.course-card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.course-card__media img { width: 100%; height: 100%; object-fit: cover; }
.course-card__badge { position: absolute; top: 12px; left: 12px; }
.course-card__body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.course-card__body h3 { margin-bottom: 2px; font-size: 1.1rem; }
.course-card__body p { color: var(--color-gray-700); font-size: 0.92rem; margin-bottom: 6px; }
.course-card__meta { display: flex; gap: 14px; font-size: 0.8rem; color: var(--color-gray-500); font-weight: 600; margin-bottom: 6px; }
.course-card__cta { margin-top: auto; font-weight: 700; font-size: 0.9rem; color: var(--color-ink); display: inline-flex; align-items: center; gap: 6px; }
.course-card__cta::after { content: "→"; transition: transform 0.15s ease; }
.course-card:hover .course-card__cta::after { transform: translateX(3px); }

.category-tabs { display: flex; gap: 10px; margin: 8px 0 28px; flex-wrap: wrap; }
.category-tabs a { font-size: 0.85rem; font-weight: 700; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--color-gray-300); color: var(--color-gray-700); }
.category-tabs a.is-active { background: var(--color-ink); border-color: var(--color-ink); color: #fff; }

/* Diferenciais / features */
.feature { display: flex; gap: 14px; align-items: flex-start; }
.feature__icon { flex: none; width: 46px; height: 46px; border-radius: 12px; background: var(--color-gray-100); display: flex; align-items: center; justify-content: center; }
.feature__icon svg { width: 24px; height: 24px; }
.feature h3 { font-size: 1rem; margin-bottom: 4px; }
.feature p { color: var(--color-gray-700); font-size: 0.92rem; margin: 0; }

/* Stat strip */
.stat-strip { display: flex; flex-wrap: wrap; gap: 32px; }
.stat { min-width: 140px; }
.stat strong { display: block; font-family: var(--font-display); font-size: 2.1rem; color: var(--color-brand-yellow-dark); line-height: 1; }
.stat span { font-size: 0.85rem; color: var(--color-gray-500); font-weight: 600; }
.section--dark .stat span { color: var(--color-gray-300); }

/* Rating badge */
.rating-badge { display: inline-flex; align-items: center; gap: 10px; background: var(--color-white); border: 1px solid var(--color-gray-100); border-radius: 999px; padding: 8px 16px 8px 8px; box-shadow: var(--shadow-sm); }
.rating-badge__stars { color: #f5a623; font-size: 1rem; letter-spacing: 1px; }
.rating-badge strong { font-size: 1rem; }
.rating-badge small { color: var(--color-gray-500); }

/* Two-col content blocks */
.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.split img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.split--reverse { grid-template-columns: 0.9fr 1.1fr; }
.split--reverse .split__media { order: 2; }

/* Info panel (curso: carga horária, requisitos, documentos) */
.panel { background: var(--color-gray-100); border-radius: var(--radius-lg); padding: 26px 28px; }
.panel h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-gray-700); margin-bottom: 14px; }
.panel ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.panel li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.94rem; }
.panel li::before { content: "✓"; color: var(--color-mopp); font-weight: 800; flex: none; }

.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.info-card { border: 1px solid var(--color-gray-100); border-radius: var(--radius-md); padding: 20px; background: #fff; }
.info-card strong { display: block; font-family: var(--font-display); font-size: 1.4rem; margin-bottom: 2px; }
.info-card span { font-size: 0.84rem; color: var(--color-gray-500); }

/* Legal notice */
.legal-note { border-left: 4px solid var(--color-brand-yellow); background: var(--color-gray-100); padding: 16px 20px; border-radius: 0 var(--radius-md) var(--radius-md) 0; font-size: 0.88rem; color: var(--color-gray-700); }
.legal-note strong { color: var(--color-ink); }

/* FAQ */
.faq { display: flex; flex-direction: column; gap: 10px; max-width: 820px; }
.faq-item { border: 1px solid var(--color-gray-100); border-radius: var(--radius-md); overflow: hidden; background: #fff; }
.faq-item__q { width: 100%; text-align: left; background: none; border: 0; padding: 18px 20px; font-weight: 700; font-size: 0.98rem; display: flex; justify-content: space-between; align-items: center; gap: 12px; cursor: pointer; color: var(--color-ink); }
.faq-item__q::after { content: "+"; font-size: 1.3rem; color: var(--color-gray-500); flex: none; transition: transform 0.2s ease; }
.faq-item[open] .faq-item__q::after { transform: rotate(45deg); }
.faq-item__a { padding: 0 20px 18px; color: var(--color-gray-700); font-size: 0.94rem; }

/* Testimonials / social proof */
.testimonial { background: #fff; border: 1px solid var(--color-gray-100); border-radius: var(--radius-lg); padding: 22px 24px; box-shadow: var(--shadow-sm); }
.testimonial__stars { color: #f5a623; margin-bottom: 8px; }
.testimonial p { font-size: 0.95rem; color: var(--color-gray-900); }
.testimonial footer { font-size: 0.84rem; color: var(--color-gray-500); font-weight: 600; }

/* Map */
.map-embed { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); border: 0; }
.map-embed iframe { width: 100%; height: 100%; border: 0; display: block; min-height: 320px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-direction: column; gap: 16px; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; }
.contact-list__icon { flex: none; width: 42px; height: 42px; border-radius: 10px; background: var(--color-gray-100); display: flex; align-items: center; justify-content: center; }
.availability-note { max-width: 900px; margin: 0 auto; padding: 18px 20px; border-left: 5px solid var(--color-brand-yellow-dark); background: var(--color-gray-100); font-size: 1rem; line-height: 1.7; }
.curriculum-table-wrap { overflow-x: auto; margin-top: 24px; border: 1px solid var(--color-gray-300); border-radius: var(--radius-md); background: var(--color-white); }
.curriculum-table { width: 100%; min-width: 720px; border-collapse: collapse; text-align: left; font-size: 0.92rem; }
.curriculum-table th { background: var(--color-ink); color: var(--color-white); font-family: var(--font-display); font-size: 0.86rem; letter-spacing: 0.02em; }
.curriculum-table th, .curriculum-table td { padding: 14px 16px; border-bottom: 1px solid var(--color-gray-100); vertical-align: top; }
.curriculum-table tbody tr:last-child td { border-bottom: 0; }
.curriculum-table tbody tr:nth-child(even) { background: #fafafa; }
.form { display: flex; flex-direction: column; gap: 14px; background: var(--color-gray-100); border-radius: var(--radius-lg); padding: 26px; }
.form label { font-size: 0.86rem; font-weight: 700; margin-bottom: 4px; display: block; }
.form input, .form select, .form textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--color-gray-300); border-radius: var(--radius-sm);
  font: inherit; background: #fff;
}
.form textarea { resize: vertical; min-height: 110px; }

/* Table */
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--color-gray-100); }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 560px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--color-gray-100); }
thead th { background: var(--color-gray-100); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-gray-700); }
tbody tr:last-child td { border-bottom: none; }

/* Final CTA band */
.cta-band { background: var(--color-ink); color: #fff; border-radius: var(--radius-lg); padding: 44px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 6px; }
.cta-band p { color: rgba(255,255,255,0.78); margin: 0; }

/* Footer */
.site-footer { background: var(--color-ink); color: rgba(255,255,255,0.82); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.footer-grid h4 { color: #fff; font-size: 0.86rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-grid a { font-size: 0.88rem; color: rgba(255,255,255,0.72); }
.footer-grid a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-brand img { height: 38px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 0.8rem; color: rgba(255,255,255,0.55); }
.footer-credit { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; padding-top: 22px; font-size: 0.84rem; color: rgba(255,255,255,0.55); }
.footer-credit__badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(242,196,15,0.12); border: 1px solid rgba(242,196,15,0.4);
  color: var(--color-brand-yellow); font-weight: 700; font-size: 0.86rem;
  padding: 7px 16px; border-radius: 999px; transition: background 0.15s ease, transform 0.15s ease;
}
.footer-credit__badge:hover { background: rgba(242,196,15,0.22); transform: translateY(-1px); }

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 150; display: flex; align-items: center; gap: 10px;
  background: var(--color-whatsapp); color: #fff; padding: 14px 18px; border-radius: 999px; box-shadow: var(--shadow-lg);
  font-weight: 700; font-size: 0.92rem;
}
.whatsapp-float:hover { background: var(--color-whatsapp-dark); }
.whatsapp-float svg { width: 22px; height: 22px; flex: none; }
.whatsapp-float__label { display: none; }
@media (min-width: 640px) { .whatsapp-float__label { display: inline; } }

/* Utilities */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.center-col { max-width: 720px; margin: 0 auto; text-align: center; }

/* Responsive */
@media (max-width: 980px) {
  .brand-bar__inner { grid-template-columns: auto 1fr auto; }
  .nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .split, .split--reverse { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr; }
  .hero__content { padding: 64px 0 52px; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .site-header__bar { padding: 10px 16px; }
  .brand-bar__inner { min-height: 58px; grid-template-columns: 1fr auto; padding: 5px 16px; gap: 10px; }
  .brand__claim { grid-column: 1 / -1; grid-row: 2; font-size: 0.68rem; padding-bottom: 3px; }
  .brand-logo { grid-column: 2; grid-row: 1; }
  .brand-logo img { height: 38px; }
}

/* Mobile nav (JS toggles .is-open) */
.nav.is-open {
  display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
  background: #fff; padding: 10px; border-top: 1px solid var(--color-gray-100); box-shadow: var(--shadow-md);
}
.nav.is-open .nav__dropdown { display: flex; position: static; box-shadow: none; border: 0; padding-left: 12px; }