/* ============================================================
   TEACHER LEANDRA – Estilos principais
   Seções:
     1. Reset & variáveis
     2. Base
     3. Utilitários de layout
     4. Botões
     5. Placeholders de imagem
     6. Header & nav
     7. Hero
     8. Sobre
     9. Feature cards (Diferenciais)
    10. Course cards (Cursos)
    10b. Banner do teste de nível
    11. News cards (Novidades)
    12. Localização
    13. Depoimentos
    14. CTA Banner
    15. Footer
    16. WhatsApp FAB
    17. Single post
    18. Página 404
    19. Interações modernas (reveal, menu, avatares)
    20. Media queries
   ============================================================ */

/* ── 1. Reset & variáveis ─────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --navy:           #1a2878;
  --navy-dark:      #141e60;
  --blue-accent:    #3D5AF1;
  --blue-accent-hv: #2d47d4;
  --blue-light-bg:  #dde8f5;
  --orange:         #F5A623;
  --orange-dark:    #d48c18;
  --green:          #22a861;
  --green-dark:     #1a8a4e;
  --white:          #ffffff;
  --gray-bg:        #f7f9fc;
  --gray-text:      #4a5568;
  --gray-muted:     #718096;
  --border-radius:  0.75rem;
  --shadow-sm:      0 2px 8px rgba(0,0,0,.08);
  --shadow-md:      0 4px 20px rgba(0,0,0,.10);
  --shadow-lg:      0 8px 32px rgba(0,0,0,.15);
  --transition:     200ms ease;
  --header-h:       68px;
  --section-py:     5rem;
  --font-body:      'Inter', system-ui, -apple-system, sans-serif;
  --font-display:   'Lexend', 'Inter', system-ui, -apple-system, sans-serif;
}

/* ── 2. Base ──────────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--gray-text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }

h1, h2, h3, h4,
.logo__name {
  font-family: var(--font-display);
  letter-spacing: -.01em;
}

/* ── 3. Utilitários de layout ─────────────────────────────── */
.container {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: var(--section-py);
}

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

.section__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--navy);
  text-align: center;
  margin-bottom: 2.5rem;
}

.section__title--left {
  text-align: left;
  margin-bottom: 1rem;
}

.section__text {
  color: var(--gray-text);
  line-height: 1.75;
  margin-bottom: 1rem;
}

/* ── 4. Botões ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.9375rem;
  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);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.btn:active { transform: scale(.97); }

.btn--orange {
  background: var(--orange);
  color: var(--white);
}
.btn--orange:hover { background: var(--orange-dark); }

.btn--blue {
  background: var(--blue-accent);
  color: var(--white);
}
.btn--blue:hover { background: var(--blue-accent-hv); }

.btn--success {
  background: var(--green);
  color: var(--white);
}
.btn--success:hover { background: var(--green-dark); }

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.55);
}
.btn--outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--block { width: 100%; }

/* ── 5. Placeholders de imagem ────────────────────────────── */
.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-light-bg);
  color: var(--gray-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.img-placeholder--owl {
  border-radius: var(--border-radius);
  width: 100%;
  height: 100%;
  background: transparent;
}

.img-placeholder--circle {
  width: 260px;
  height: 260px;
  border: 2px solid;
  overflow: hidden;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--blue-light-bg);
}

.img-placeholder--news {
  width: 100%;
  height: 160px;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  background: var(--navy);
  flex-direction: column;
  gap: 0.5rem;
  color: rgba(255,255,255,.5);
}

.img-placeholder--avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--blue-light-bg);
}

.map-placeholder {
  flex: 1;
  min-height: 360px;
  border-radius: var(--border-radius);
  background: var(--blue-light-bg);
  border: 2px dashed #aac0e0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--gray-muted);
  font-size: 0.875rem;
  overflow: hidden;
}

.map-placeholder iframe {
  display: block;
  width: 100%;
  height: 100%;
}

/* ── 6. Header & nav ──────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,.3);
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.logo__icon {
  display: flex;
  align-items: center;
  height: 42px;
  flex-shrink: 0;
}

.logo__icon img {
  height: 100%;
  width: auto;
  display: block;
}

.logo__name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -.01em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 0.375rem;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  display: block;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy);
  border-radius: 0.375rem;
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--white);
  background: var(--orange);
}

/* ── 7. Hero ──────────────────────────────────────────────── */
.hero {
  background: var(--navy);
  padding-block: 5rem;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 3rem;
}

.hero__content { max-width: 540px; }

.hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin-bottom: 1rem;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: rgba(255,255,255,.75);
  margin-bottom: 2rem;
  line-height: 1.65;
}

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

.owl-card,
.hero__image {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  width: 320px;
  height: 320px;
  flex-shrink: 0;
}

.owl-card {
  background: var(--white);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image {
  object-fit: cover;
  display: block;
}

/* ── 8. Sobre ─────────────────────────────────────────────── */
.sobre__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 4rem;
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.checklist__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
  color: var(--gray-text);
}

.checklist__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* ── 9. Feature cards ─────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--blue-accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.feature-card__icon {
  width: 48px;
  height: 48px;
}

.feature-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-accent);
}

.feature-card__text {
  font-size: 0.9rem;
  color: var(--gray-muted);
  line-height: 1.55;
}

/* ── 10. Course cards ─────────────────────────────────────── */
.course-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.course-card__icon {
  width: 48px;
  height: 48px;
}

.course-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue-accent);
}

.course-card__text {
  font-size: 0.9rem;
  color: var(--gray-muted);
  flex: 1;
  line-height: 1.55;
}

/* ── 10b. Banner do teste de nível ─────────────────────────── */
.level-test { padding-block: 0 var(--section-py); }

.level-test__card {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
  background: #F4FBF7;
  border: 1px solid #cdeeda;
  border-radius: var(--border-radius);
  padding: 2rem;
}

.level-test__icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.level-test__content { flex: 1; min-width: 240px; }

.level-test__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.375rem;
}

.level-test__text {
  color: var(--gray-muted);
  font-size: 0.9375rem;
}

.level-test__card .btn { flex-shrink: 0; }

/* ── 11. News cards ───────────────────────────────────────── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.news-card {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.news-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.news-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
}

.news-card__text {
  font-size: 0.9rem;
  color: var(--gray-muted);
  flex: 1;
  line-height: 1.55;
}

.news-card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue-accent);
  transition: color var(--transition);
  align-self: flex-start;
  margin-top: 0.25rem;
}

.news-card__link:hover { color: var(--blue-accent-hv); }

/* ── 12. Localização ──────────────────────────────────────── */
.location__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: stretch;
}

.location__info {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.location__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.location__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.location__item div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.location__item strong {
  color: var(--navy);
  font-weight: 600;
  font-size: 0.9rem;
}

.location__item span {
  color: var(--gray-text);
  font-size: 0.9rem;
}

.location__item span a {
  transition: color var(--transition);
}

.location__item span a:hover {
  color: var(--blue-accent);
  text-decoration: underline;
}

.location__map-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── 13. Depoimentos ──────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.testimonial-card__header {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.testimonial-card__name {
  display: block;
  font-weight: 700;
  color: var(--navy);
  font-size: 0.9375rem;
}

.testimonial-card__course {
  display: block;
  font-size: 0.8125rem;
  color: var(--gray-muted);
}

.testimonial-card__text {
  font-size: 0.9rem;
  color: var(--gray-text);
  line-height: 1.7;
  border-left: 3px solid var(--orange);
  padding-left: 0.875rem;
}

/* ── 14. CTA Banner ───────────────────────────────────────── */
.cta-banner {
  background: var(--gray-text);
  padding-block: 4rem;
}

.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-banner__title {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.cta-banner__subtitle {
  color: rgba(255,255,255,.7);
  font-size: 1rem;
}

.cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  flex-shrink: 0;
}

/* ── 15. Footer ───────────────────────────────────────────── */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,.75);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1.2fr;
  gap: 3rem;
  padding-block: 3.5rem;
}

.footer__brand .logo { margin-bottom: 1rem; }

.footer__tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
  max-width: 200px;
}

.footer__heading {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 1.25rem;
  letter-spacing: .01em;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer__links li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__links a,
.footer__links li {
  font-size: 0.9rem;
  color: rgba(255,255,255,.7);
  transition: color var(--transition);
}

.footer__links a:hover { color: var(--white); }

.social-links {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.social-link:hover {
  color: var(--white);
  border-color: var(--white);
  background: rgba(255,255,255,.1);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-block: 1.25rem;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255,255,255,.5);
}

/* ── 16. WhatsApp FAB ─────────────────────────────────────── */
.whatsapp-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #3c3c3c;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.whatsapp-fab:hover {
  background: #25D366;
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37,211,102,.4);
}

/* ── 17. Single post ──────────────────────────────────────── */
.post-single {
  padding-block: 3rem 5rem;
  background: var(--gray-bg);
  min-height: calc(100vh - var(--header-h));
}

.post-single__inner {
  max-width: 760px;
}

.post-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue-accent);
  margin-bottom: 1.75rem;
  transition: color var(--transition);
}

.post-back-link:hover { color: var(--blue-accent-hv); }

.post-content__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.post-content__meta {
  font-size: 0.875rem;
  color: var(--gray-muted);
  margin-bottom: 1.75rem;
}

.post-content__thumbnail {
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-bottom: 2rem;
}

.post-content__thumbnail img {
  width: 100%;
  height: auto;
  display: block;
}

.post-content__body {
  font-size: 1rem;
  color: var(--gray-text);
  line-height: 1.8;
}

.post-content__body h2,
.post-content__body h3,
.post-content__body h4 {
  color: var(--navy);
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.post-content__body h2 { font-size: 1.5rem; }
.post-content__body h3 { font-size: 1.25rem; }
.post-content__body h4 { font-size: 1.05rem; }

.post-content__body p { margin-bottom: 1.25rem; }

.post-content__body ul,
.post-content__body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.post-content__body ul { list-style: disc; }
.post-content__body ol { list-style: decimal; }

.post-content__body a {
  color: var(--blue-accent);
  text-decoration: underline;
}

.post-content__body a:hover { color: var(--blue-accent-hv); }

.post-content__body img {
  border-radius: var(--border-radius);
  max-width: 100%;
  height: auto;
  margin-block: 1.5rem;
}

.post-content__body blockquote {
  border-left: 4px solid var(--orange);
  padding-left: 1.25rem;
  margin-block: 1.5rem;
  color: var(--gray-muted);
  font-style: italic;
}

/* ── 18. Página 404 ────────────────────────────────────────── */
.not-found {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
}

.not-found__inner {
  max-width: 640px;
  text-align: center;
  margin-inline: auto;
}

.not-found__code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  line-height: 1;
  color: var(--blue-light-bg);
  margin-bottom: 0.5rem;
}

.not-found__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1rem;
}

.not-found__text {
  color: var(--gray-muted);
  margin-bottom: 2rem;
}

.not-found__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.not-found__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.5rem;
  font-size: 0.9rem;
}

.not-found__links a {
  color: var(--blue-accent);
  font-weight: 600;
  transition: color var(--transition);
}

.not-found__links a:hover { color: var(--blue-accent-hv); }

/* ── 19. Interações modernas (reveal, menu, avatares) ─────── */

/* Reveal ao rolar */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Fotos reais nos cards de novidades */
.news-card__photo {
  width: 100%;
  height: 160px;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  overflow: hidden;
}

.news-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 12%;
  display: block;
}

/* Avatares com iniciais nos depoimentos */
.avatar--initials {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.125rem;
}

/* Menu mobile: backdrop e travar rolagem */
.nav-backdrop {
  display: none;
}

@media (max-width: 640px) {
  body.nav-open {
    overflow: hidden;
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    top: var(--header-h);
    background: rgba(10, 15, 40, .45);
    z-index: 90;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
  }

  body.nav-open .nav-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .nav__list .nav__link {
    transition: color var(--transition), background var(--transition), opacity .3s ease, transform .3s ease;
    opacity: 0;
    transform: translateX(-8px);
  }

  .nav.is-open .nav__list .nav__link {
    opacity: 1;
    transform: none;
  }

  .nav.is-open .nav__list li:nth-child(1) .nav__link { transition-delay: 40ms; }
  .nav.is-open .nav__list li:nth-child(2) .nav__link { transition-delay: 80ms; }
  .nav.is-open .nav__list li:nth-child(3) .nav__link { transition-delay: 120ms; }
  .nav.is-open .nav__list li:nth-child(4) .nav__link { transition-delay: 160ms; }
  .nav.is-open .nav__list li:nth-child(5) .nav__link { transition-delay: 200ms; }
  .nav.is-open .nav__list li:nth-child(6) .nav__link { transition-delay: 240ms; }
}

/* ── 20. Media queries ────────────────────────────────────── */

/* Tablet landscape */
@media (max-width: 1024px) {
  .feature-grid,
  .news-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .location__inner {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

/* Tablet portrait */
@media (max-width: 768px) {
  :root { --section-py: 3.5rem; }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content { max-width: 100%; }
  .hero__actions { justify-content: center; }

  .hero__visual {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
  }

  .owl-card,
  .hero__image { width: 200px; height: 200px; }

  .sobre__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .sobre__image { display: flex; justify-content: center; }
  .section__title--left { text-align: center; }
  .checklist { align-items: flex-start; display: inline-flex; }

  .cta-banner__inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-banner__actions { justify-content: center; }

  .location__inner {
    grid-template-columns: 1fr;
  }

  .map-placeholder { min-height: 260px; }
}

/* Mobile */
@media (max-width: 640px) {
  :root { --section-py: 2.5rem; }

  .nav-toggle { display: flex; }

  .btn {
    white-space: normal;
    text-align: center;
  }

  .level-test__card {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }

  .nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--navy-dark);
    padding: 1rem;
    gap: 0.5rem;
    box-shadow: 0 8px 24px rgba(0,0,0,.3);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px) scale(.98);
    transition: opacity .32s cubic-bezier(.32,.72,0,1), transform .32s cubic-bezier(.32,.72,0,1);
  }

  .nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
  }

  .nav__link {
    padding: 0.625rem 1rem;
    font-size: 0.9375rem;
    color: var(--white);
  }

  .nav__link:hover,
  .nav__link--active {
    color: var(--white);
  }

  .btn--success { justify-content: center; }

  .feature-grid,
  .news-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-block: 2.5rem;
  }

  .footer__tagline { max-width: 100%; }

  .img-placeholder--circle {
    width: 200px;
    height: 200px;
  }
}