/* ============================================================
   REVALIDA EXPERT — Blog CSS Principal
   Paleta e tipografia idênticas ao site revalidaexpert.com.br
   ============================================================ */

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

/* ---------- VARIÁVEIS ---------- */
:root {
  --teal:         #1a9a8a;
  --teal-dark:    #11313c;
  --teal-light:   #1e7688;
  --teal-hero:    #184b5e;
  --green-btn:    #3cb371;
  --green-hover:  #2e8b57;
  --navy:         #1c2b3a;
  --white:        #ffffff;
  --off-white:    #f5f7f8;
  --gray-light:   #e8ecef;
  --gray-text:    #555d63;
  --gray-mid:     #777f86;
  --red-accent:   #d94040;
  --font-main:    'Montserrat', sans-serif;
  --font-body:    'Open Sans', sans-serif;
  --radius:       10px;
  --shadow:       0 4px 20px rgba(0,0,0,0.10);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.16);
  --transition:   0.3s ease;
}

/* ---------- BASE ---------- */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--navy);
  background: var(--off-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

/* ---------- NAVBAR ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(90deg, #11313c 0%, #184b5e 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 68px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.22);
  user-select: none;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar__logo-circle {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 2px solid var(--teal-light);
  overflow: hidden;
  background: var(--teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.navbar__logo-circle img,
.footer__logo-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.navbar__brand {
  font-family: var(--font-main);
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--white);
}

.navbar__brand span {
  color: var(--teal-light);
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar__nav a {
  font-family: var(--font-main);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
  opacity: 0.88;
  transition: var(--transition);
  position: relative;
}

.navbar__nav a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal-light);
  transition: width var(--transition);
}

.navbar__nav a:hover { opacity: 1; }
.navbar__nav a:hover::after { width: 100%; }

.navbar__actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn-outline {
  font-family: var(--font-main);
  font-size: 0.84rem;
  font-weight: 700;
  padding: 8px 22px;
  border-radius: 50px;
  border: 2px solid var(--teal-light);
  color: var(--white);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--teal-light);
  color: var(--navy);
}

.btn-green {
  font-family: var(--font-main);
  font-size: 0.84rem;
  font-weight: 700;
  padding: 8px 22px;
  border-radius: 50px;
  border: none;
  background: var(--green-btn);
  color: var(--white);
  cursor: pointer;
  transition: var(--transition);
}

.btn-green:hover { background: var(--green-hover); }

/* ---------- HERO BLOG ---------- */
.hero-blog {
  background-image: url("https://images.unsplash.com/photo-1515378791036-0648a3ef77b2?auto=format&fit=crop&w=1400&q=80");
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 72px 48px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-blog::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(17,49,60,0.28) 0%, rgba(24,75,94,0.38) 100%);
  pointer-events: none;
}

.hero-blog::after {
  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='0.04'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.hero-blog__tag {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  color: var(--white);
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.hero-blog h1 {
  font-family: var(--font-main);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  max-width: 700px;
  margin: 0 auto 16px;
}

.hero-blog p {
  color: rgba(255,255,255,0.88);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 28px;
}

.hero-blog__cta {
  display: inline-block;
  background: var(--white);
  color: var(--teal-dark);
  font-family: var(--font-main);
  font-size: 0.92rem;
  font-weight: 800;
  padding: 14px 36px;
  border-radius: 50px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
  transition: var(--transition);
}

.hero-blog__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(0,0,0,0.24);
  background: var(--teal-light);
  color: var(--white);
}

/* ---------- VIDEO DESTAQUE ---------- */
.section-video {
  background: var(--white);
  padding: 64px 48px;
}

.section-video__inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.section-label {
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-main);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--gray-text);
  font-size: 1rem;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
}

.video-caption {
  margin: 14px 0 0;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  text-align: center;
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  background: var(--navy);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.video-wrapper iframe,
.video-wrapper video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius);
}

/* ---------- GRID DE ARTIGOS ---------- */
.section-articles {
  padding: 64px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 36px;
}

/* ---------- CARD DE ARTIGO ---------- */
.article-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.article-card__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: center;
  display: block;
  background: var(--gray-light);
}

/* Placeholder colorido quando não há imagem real */
.article-card__img-placeholder {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}

.article-card__body {
  padding: 28px 28px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card__tag {
  display: inline-block;
  background: rgba(26,154,138,0.12);
  color: var(--teal);
  font-family: var(--font-main);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 14px;
  width: fit-content;
}

.article-card__title {
  font-family: var(--font-main);
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.35;
  margin-bottom: 12px;
}

.article-card__excerpt {
  color: var(--gray-text);
  font-size: 0.92rem;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 22px;
}

.article-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--gray-light);
  padding-top: 16px;
}

.article-card__date {
  font-size: 0.8rem;
  color: var(--gray-mid);
  font-family: var(--font-main);
}

.article-card__link {
  font-family: var(--font-main);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--teal);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--transition), color var(--transition);
}

.article-card__link:hover { gap: 10px; color: var(--teal-dark); }

/* ---------- ARTIGOS COMPLETOS (INLINE) ---------- */
.article-full {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 48px 52px;
  margin-bottom: 48px;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.article-full__header {
  margin-bottom: 28px;
  border-bottom: 2px solid var(--gray-light);
  padding-bottom: 22px;
}

.article-full__tag {
  display: inline-block;
  background: var(--teal);
  color: var(--white);
  font-family: var(--font-main);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.article-full h2 {
  font-family: var(--font-main);
  font-size: clamp(1.3rem, 2.8vw, 1.85rem);
  font-weight: 900;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 10px;
}

.article-full__meta {
  font-size: 0.82rem;
  color: var(--gray-mid);
  font-family: var(--font-main);
}

.article-full__img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 28px 0;
  max-width: 480px;
  display: block;
}

.article-full__img-center {
  margin-left: auto;
  margin-right: auto;
}

.article-full p {
  color: var(--gray-text);
  font-size: 0.98rem;
  line-height: 1.75;
  margin-bottom: 18px;
}

.article-full h3 {
  font-family: var(--font-main);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--teal-dark);
  margin: 28px 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-full h4 {
  font-family: var(--font-main);
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--navy);
  margin: 22px 0 8px;
}

.article-full ul, .article-full ol {
  margin: 10px 0 18px 20px;
  color: var(--gray-text);
  font-size: 0.97rem;
}

.article-full li { margin-bottom: 6px; }

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.97rem;
  color: var(--gray-text);
}

.checklist-item::before {
  content: '✅';
  flex-shrink: 0;
}

.error-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.97rem;
  color: var(--gray-text);
}

.error-item::before {
  content: '❌';
  flex-shrink: 0;
}

.highlight-box {
  background: linear-gradient(135deg, rgba(26,154,138,0.08), rgba(26,154,138,0.04));
  border-left: 4px solid var(--teal);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 22px;
  margin: 24px 0;
}

.highlight-box p { margin: 0; font-weight: 600; color: var(--navy); }

.conclusion-box {
  background: linear-gradient(135deg, var(--teal-dark), var(--teal));
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-top: 28px;
}

.conclusion-box p {
  color: var(--white);
  margin: 0;
  font-weight: 600;
}

.divider {
  border: none;
  border-top: 2px dashed var(--gray-light);
  margin: 32px 0;
}

/* ---------- CTA BANNER ---------- */
.cta-banner {
  background: linear-gradient(135deg, #11313c 0%, #184b5e 100%);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  border: 30px solid rgba(255,255,255,0.06);
  border-radius: 50%;
  pointer-events: none;
}

.cta-banner h2 {
  font-family: var(--font-main);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 12px;
}

.cta-banner p {
  color: rgba(255,255,255,0.88);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto 28px;
}

.btn-cta-white {
  display: inline-block;
  background: var(--white);
  color: var(--teal-dark);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 800;
  padding: 15px 40px;
  border-radius: 50px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
  transition: var(--transition);
}

.btn-cta-white:hover {
  background: var(--teal-light);
  color: var(--white);
  transform: translateY(-2px);
}

/* ---------- FOOTER ---------- */
.footer {
  background: linear-gradient(90deg, #11313c 0%, #184b5e 100%);
  color: var(--white);
  padding: 56px 48px 28px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.footer__logo-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--teal-light);
  overflow: hidden;
  background: var(--teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer__logo-circle svg { width: 38px; height: 38px; }

.footer__brand-name {
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
}

.footer__brand-name span { color: var(--teal-light); }

.footer__tagline {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.82);
  transition: color var(--transition);
}

.footer__contact-item:hover { color: var(--teal-light); }

.footer__contact-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.footer__col h4 {
  font-family: var(--font-main);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--teal-light);
  margin-bottom: 16px;
}

.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer__col ul a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

.footer__bottom a {
  color: var(--teal-light);
  font-size: 0.82rem;
  transition: color var(--transition);
}

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

/* ---------- HAMBURGER MOBILE ---------- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

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

/* ---------- RESPONSIVO ---------- */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar { padding: 0 20px; }
  .hamburger { display: flex; }

  .navbar__nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--navy);
    flex-direction: column;
    padding: 20px 24px;
    gap: 18px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }

  .navbar__nav.open { display: flex; }
  .navbar__actions { gap: 8px; }

  .btn-outline {
    font-size: 0.76rem;
    padding: 7px 14px;
  }

  .btn-green {
    font-size: 0.72rem;
    padding: 7px 12px;
    white-space: nowrap;
  }

  .hero-blog { padding: 48px 24px 40px; }
  .section-video { padding: 48px 24px; }
  .video-grid { grid-template-columns: 1fr; }
  .section-articles { padding: 40px 20px; }
  .article-full { padding: 28px 22px; }
  .cta-banner { padding: 48px 24px; }
  .footer { padding: 40px 24px 20px; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

/* ---------- ANIMAÇÕES ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  animation: fadeUp 0.65s ease both;
}

.fade-up-delay-1 { animation-delay: 0.1s; }
.fade-up-delay-2 { animation-delay: 0.2s; }
.fade-up-delay-3 { animation-delay: 0.3s; }

/* ---------- SCROLL REVEAL (classe adicionada via JS) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}