/* ============================================================
   TUELA 3D — Stylesheet
   ============================================================ */

:root {
  --orange:       #FF5000;
  --orange-dark:  #E64700;
  --orange-glow:  rgba(255, 80, 0, 0.25);
  --green:        #00AE42;
  --green-bg:     rgba(0, 174, 66, 0.1);
  --green-border: rgba(0, 174, 66, 0.22);

  --black:        #0A0A0A;
  --grey-90:      #1A1A1A;
  --grey-70:      #4A4A4A;
  --grey-50:      #7A7A7A;
  --grey-20:      #CACACA;
  --border:       #E6E4E0;
  --surface:      #F8F6F2;
  --white:        #FFFFFF;

  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Cormorant Garamond', Georgia, serif;

  --ease:         cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:     cubic-bezier(0, 0, 0.2, 1);
  --t:            0.28s;
  --t-slow:       0.6s;

  --nav-h:        68px;
  --max-w:        1180px;
  --px:           clamp(20px, 5vw, 40px);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a  { color: inherit; }
ul { list-style: none; }

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

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar {
  position: fixed;
  inset: 0 0 auto;
  height: var(--nav-h);
  z-index: 200;
  background: var(--white);
  box-shadow: 0 1px 0 var(--border);
  transition: box-shadow var(--t) var(--ease);
}
#navbar.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}

.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { text-decoration: none; display: flex; align-items: center; }

/* Logo SVG na navbar — cor original do arquivo */
.nav-logo-img {
  height: 36px;
  width: auto;
  display: block;
  /* Para forçar a cor #FF5000 do site, descomente a linha abaixo:
     filter: brightness(0) saturate(100%) invert(35%) sepia(96%) saturate(1200%) hue-rotate(2deg) brightness(105%);
  */
}

/* Logo SVG no footer — inverte para branco */
.footer-logo-img {
  height: 36px;
  width: auto;
  display: block;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

/* Logo em texto (usar enquanto logo.png/svg não existe) */
.logo-text {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--black);
}
.logo-text--light {
  color: var(--white);
  margin-bottom: 16px;
}
.logo-accent { color: var(--orange); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--grey-70);
  letter-spacing: 0.01em;
  transition: color var(--t);
}
.nav-links a:hover { color: var(--orange); }

.nav-cta {
  background: var(--orange) !important;
  color: var(--white) !important;
  padding: 9px 20px !important;
  border-radius: 100px;
  font-weight: 600 !important;
  transition: background var(--t), transform var(--t) !important;
}
.nav-cta:hover {
  background: var(--orange-dark) !important;
  transform: translateY(-1px);
}

/* Hambúrguer */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: transform var(--t) var(--ease), opacity var(--t);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  position: relative;
  height: 100svh;
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }

/* Fallback enquanto hero.jpg não existir */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #111 0%, #2a2a2a 60%, #111 100%);
  z-index: 0;
}

.hero-img {
  position: absolute;
  inset: -15% 0;          /* espaço extra para o parallax deslizar */
  width: 100%;
  height: 120%;
  object-fit: cover;
  object-position: center;
  z-index: 1;
  will-change: transform; /* GPU-friendly */
}

/* Imagens das seções (cursos, assistência) */
.section-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 16px;
  display: block;
  /* Fallback cinza enquanto a foto não existir */
  background: linear-gradient(135deg, #e8e4df, #d0ccc6);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    to left,
    rgba(0,0,0,0.78) 0%,
    rgba(0,0,0,0.46) 52%,
    rgba(0,0,0,0.06) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--px);
  padding-top: var(--nav-h);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}

.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0;
  margin-bottom: 22px;
  transform: translateY(18px);
  animation: fadeUp 0.8s var(--ease-out) 0.15s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.5vw, 5.8rem);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.8s var(--ease-out) 0.32s forwards;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  color: rgba(255,255,255,0.82);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 44px;
  margin-left: auto;
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.8s var(--ease-out) 0.48s forwards;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.8s var(--ease-out) 0.64s forwards;
}


/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--t) var(--ease), box-shadow var(--t), background var(--t);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 4px 18px var(--orange-glow);
}
.btn-primary:hover {
  background: var(--orange-dark);
  box-shadow: 0 8px 28px var(--orange-glow);
}

.btn-ghost {
  background: rgba(255,255,255,0.14);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.28);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.24); }

.btn-green {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(0,174,66,0.28);
}
.btn-green:hover {
  background: #009e3b;
  box-shadow: 0 8px 28px rgba(0,174,66,0.36);
}

.btn-outline {
  background: transparent;
  color: var(--orange);
  border: 1.5px solid var(--orange);
}
.btn-outline:hover {
  background: var(--orange);
  color: var(--white);
}

/* ============================================================
   BADGES STRIP
   ============================================================ */
#badges {
  background: var(--black);
  padding: 0;
}

.badges-grid {
  display: flex;
  justify-content: center;
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 28px clamp(20px, 4vw, 56px);
  flex: 1;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.badge-item:last-child { border-right: none; }

.badge-icon {
  color: var(--orange);
  flex-shrink: 0;
  opacity: 0.9;
}

.badge-item h3 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 3px;
}
.badge-item p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
}

/* ============================================================
   SECTION COMMONS
   ============================================================ */
section:not(#hero):not(#badges) { padding: 104px 0; }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-eyebrow {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--black);
}

.section-desc {
  margin-top: 20px;
  font-size: 1rem;
  color: var(--grey-50);
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

/* Tags */
.tag-green {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid var(--green-border);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.tag-orange {
  display: inline-block;
  background: rgba(255,80,0,0.08);
  color: var(--orange);
  border: 1px solid rgba(255,80,0,0.16);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 5px 13px;
  border-radius: 100px;
}

/* Image placeholders (remova quando tiver fotos reais) */
.img-placeholder {
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.img-placeholder span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  padding: 20px;
}
.img-placeholder.tall { height: 500px; }
.img-placeholder.tall span { color: rgba(0,0,0,0.25); }

/* ============================================================
   BAMBU LAB
   ============================================================ */
#bambu { background: var(--surface); }

.bambu-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 7vw, 96px);
  align-items: center;
}

.bambu-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.bambu-left p {
  font-size: 1rem;
  color: var(--grey-50);
  line-height: 1.85;
  max-width: 440px;
  margin-bottom: 36px;
}

/* ============================================================
   SOBRE
   ============================================================ */
.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 7vw, 96px);
  align-items: center;
}

.sobre-text .section-eyebrow { text-align: left; }
.sobre-text .section-title   { text-align: left; margin-bottom: 28px; }

.sobre-text p {
  font-size: 1rem;
  color: var(--grey-50);
  line-height: 1.9;
  margin-bottom: 18px;
}

/* ============================================================
   GALLERY
   ============================================================ */
#galeria { background: var(--surface); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 260px 260px;
  gap: 14px;
}

.gallery-item .img-placeholder {
  height: 100%;
  border-radius: 12px;
  cursor: pointer;
  transition: transform var(--t) var(--ease), box-shadow var(--t);
}
.gallery-item .img-placeholder:hover {
  transform: scale(1.025);
  box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

.gallery-item.span-col {
  grid-row: span 2;
}

/* ============================================================
   CURSOS
   ============================================================ */
.cursos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  max-width: 820px;
  margin: 0 auto 40px;
}

.curso-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 36px;
  transition: transform var(--t) var(--ease), box-shadow var(--t);
}
.curso-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.07);
}

.curso-time {
  font-family: var(--font-display);
  font-size: 3.4rem;
  font-weight: 600;
  color: var(--orange);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.curso-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.curso-card p {
  font-size: 0.925rem;
  color: var(--grey-50);
  line-height: 1.8;
  margin-bottom: 22px;
}

.cursos-cta { text-align: center; }

/* ============================================================
   POLÍTICAS
   ============================================================ */
#politicas { background: var(--surface); }

.politicas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.politica-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px;
  transition: transform var(--t) var(--ease), box-shadow var(--t);
}
.politica-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.06);
}

.politica-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255,80,0,0.08);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.politica-card h3 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.politica-card p {
  font-size: 0.925rem;
  color: var(--grey-50);
  line-height: 1.8;
}

/* ============================================================
   FOOTER
   ============================================================ */
#contato {
  background: var(--grey-90);
  color: var(--white);
  padding: 80px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 36px;
}

.footer-logo {
  display: block;
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.8;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 20px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  margin-bottom: 13px;
  transition: color var(--t);
}
.social-link:hover          { color: var(--white); }
.social-link.whatsapp:hover { color: #25D366; }
.social-link.instagram:hover { color: #E1306C; }
.social-link.maps:hover     { color: #4285F4; }

.footer-col p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.85;
  margin-bottom: 16px;
}
.footer-hours {
  font-size: 0.85rem !important;
  color: rgba(255,255,255,0.4) !important;
}
.footer-hours strong { color: rgba(255,255,255,0.65); font-weight: 600; }

.footer-bottom {
  text-align: center;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.25);
}

/* ============================================================
   WHATSAPP FAB
   ============================================================ */
.whatsapp-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 300;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.4);
  text-decoration: none;
  transition: transform var(--t) var(--ease), box-shadow var(--t);
}
.whatsapp-fab:hover {
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 10px 32px rgba(37,211,102,0.5);
}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   KEYFRAMES
   ============================================================ */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.25; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .bambu-card,
  .sobre-grid   { grid-template-columns: 1fr; gap: 48px; }
  .bambu-right  { order: -1; }
  .politicas-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .footer-brand { grid-column: span 2; }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }

  /* Nav mobile */
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(14px);
    flex-direction: column;
    padding: 16px var(--px) 24px;
    gap: 0;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links li    { width: 100%; }
  .nav-links a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }
  .nav-links li:last-child a { border-bottom: none; }
  .nav-cta {
    display: block !important;
    text-align: center !important;
    margin-top: 10px;
    border-radius: 100px !important;
    border: none !important;
    padding: 13px 0 !important;
  }
  .nav-toggle { display: flex; }

  /* Sections */
  section:not(#hero):not(#badges) { padding: 72px 0; }

  /* Badges */
  .badges-grid   { flex-direction: column; }
  .badge-item    { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .badge-item:last-child { border-bottom: none; }

  /* Gallery */
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }
  .gallery-item.span-col { grid-row: span 1; }
  .gallery-item .img-placeholder { height: 180px; }

  /* Cursos */
  .cursos-grid    { grid-template-columns: 1fr; }
  .politicas-grid { grid-template-columns: 1fr; }

  /* Hero */
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .btn { width: fit-content; }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-brand { grid-column: span 1; }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .gallery-item .img-placeholder { height: 220px; }
}

/* ============================================================
   MODEL CARDS (index + produtos.html)
   ============================================================ */
#modelos { background: var(--surface); }

.models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 0;
}

.model-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: 18px;
  font: inherit;
  text-align: left;
  padding: 0;
  cursor: pointer;
  border: none;
  background: none;
  perspective: 1400px;
  transition: transform var(--t) var(--ease);
}
.model-card:hover {
  transform: translateY(-5px);
}

.model-img {
  height: 240px;
  width: 100%;
  overflow: hidden;
  background: var(--surface);
}

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

.model-info {
  padding: 22px 22px 24px;
}

.model-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.mbadge {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
}
.mbadge-combo    { background: rgba(255,80,0,0.1);  color: var(--orange); border: 1px solid rgba(255,80,0,0.2); }
.mbadge-flagship { background: rgba(0,174,66,0.1);  color: var(--green);  border: 1px solid rgba(0,174,66,0.2); }
.mbadge-novo     { background: rgba(30,100,200,0.08); color: #1e64c8; border: 1px solid rgba(30,100,200,0.18); }
.mbadge-serie    { background: var(--surface); color: var(--grey-50); border: 1px solid var(--border); }

.model-info h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 5px;
  letter-spacing: -0.01em;
}
.model-info p {
  font-size: 0.85rem;
  color: var(--grey-50);
  line-height: 1.5;
  margin-bottom: 12px;
}

.model-stat {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--green);
  letter-spacing: 0.04em;
}

.models-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.models-cta {
  text-align: center;
  margin-top: 44px;
}

.models-obs {
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--grey-50);
  letter-spacing: 0.01em;
}

/* ── Cursos horários ── */
.cursos-horarios {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 28px 0 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  width: fit-content;
}

.curso-horario-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 18px 36px;
}

.curso-horario-time {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--orange);
  line-height: 1;
  letter-spacing: -0.02em;
}

.curso-horario-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--grey-50);
  margin-top: 4px;
  letter-spacing: 0.04em;
}

.curso-horario-sep {
  width: 1px;
  height: 48px;
  background: var(--border);
  flex-shrink: 0;
}

.cursos-aviso-inline {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  color: var(--grey-50);
  margin-top: 0 !important;
  margin-bottom: 0 !important;
}

/* ============================================================
   SEÇÕES DA LOJA (teste, estoque, acessórios, filamentos)
   ============================================================ */
.loja-section.loja-alt {
  background: var(--surface);
}

/* Chips de info (categorias, materiais, passos) */
.info-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 24px;
  max-width: 520px;
}
.info-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 9px 15px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--black);
  letter-spacing: 0.01em;
  transition: border-color var(--t), color var(--t);
}
.info-chip:hover {
  border-color: rgba(255, 80, 0, 0.3);
  color: var(--orange);
}
.info-chip strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--orange);
  font-weight: 600;
}
.loja-alt .info-chip {
  background: var(--white);
}

/* ============================================================
   CATALOG PAGE (produtos.html)
   ============================================================ */
.catalog-hero {
  padding: calc(var(--nav-h) + 56px) 0 48px;
  text-align: center;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.catalog-filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.filter-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 20px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--grey-70);
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t);
  font-family: var(--font-body);
}
.filter-btn:hover { background: var(--border); }
.filter-btn.active {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.catalog-grid-section {
  padding: 56px 0 80px;
  background: var(--surface);
}

.catalog-bottom {
  padding: 0 0 80px;
  background: var(--surface);
}

.catalog-bottom-card {
  background: var(--black);
  border-radius: 24px;
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.catalog-bottom-card h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.catalog-bottom-card p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  max-width: 420px;
  line-height: 1.7;
}

/* ============================================================
   INDIVIDUAL PRODUCT PAGE (produto.html)
   ============================================================ */
.produto-hero {
  padding: calc(var(--nav-h) + 48px) 0 64px;
  background: var(--white);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--grey-50);
  text-decoration: none;
  margin-bottom: 40px;
  transition: color var(--t);
}
.back-link:hover { color: var(--orange); }

.produto-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}

.produto-img-wrap {
  border-radius: 20px;
  overflow: hidden;
}

.produto-img {
  height: 440px;
  width: 100%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.produto-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 32px;
  box-sizing: border-box;
}

.produto-nome {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 12px 0 10px;
}

.produto-tagline {
  font-size: 1.05rem;
  color: var(--grey-50);
  margin-bottom: 20px;
  line-height: 1.6;
}

.produto-desc {
  font-size: 0.975rem;
  color: var(--grey-70);
  line-height: 1.85;
  margin-bottom: 24px;
}

.produto-ams-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid var(--green-border);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.produto-ams-note {
  font-size: 0.84rem;
  color: var(--grey-50);
  margin-bottom: 28px;
}

.diferencial-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #fff8f5;
  border: 1px solid rgba(255, 80, 0, 0.2);
  border-left: 3px solid var(--orange);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 28px;
  font-size: 0.92rem;
  color: var(--black);
  line-height: 1.5;
}

.diferencial-box svg {
  flex-shrink: 0;
  margin-top: 2px;
  stroke: var(--orange);
}

.produto-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.produto-specs-section {
  padding: 72px 0;
  background: var(--surface);
}

.specs-table {
  width: 100%;
  max-width: 680px;
  border-collapse: collapse;
}
.specs-table tr {
  border-bottom: 1px solid var(--border);
}
.specs-table tr:last-child { border-bottom: none; }
.spec-label {
  padding: 16px 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--grey-50);
  width: 48%;
}
.spec-value {
  padding: 16px 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--black);
}

.produto-cta-section {
  padding: 0 0 80px;
  background: var(--surface);
}

/* ============================================================
   RESPONSIVE — product pages
   ============================================================ */
@media (max-width: 1024px) {
  .models-grid { grid-template-columns: repeat(2, 1fr); }
  .produto-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .produto-img { height: 300px; }
  .catalog-bottom-card { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
  .models-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-bottom-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .models-grid { grid-template-columns: 1fr; }
  .produto-actions { flex-direction: column; }
}


/* ============================================================
   FLIP CARDS (specs no verso)
   ============================================================ */
.model-card-inner {
  position: relative;
  width: 100%;
  min-height: 420px;
  transform-style: preserve-3d;
  transition: transform 0.7s var(--ease);
}
.model-card.flipped .model-card-inner {
  transform: rotateY(180deg);
}
.model-card-face {
  position: absolute;
  inset: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.07);
  background: var(--white);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.model-card-back {
  transform: rotateY(180deg);
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}
.model-card-back .back-head h3 {
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 10px;
}
.back-diferencial {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--black);
  background: #fff8f5;
  border-left: 3px solid var(--orange);
  padding: 8px 12px;
  border-radius: 6px;
}
.specs-mini {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}
.specs-mini tr {
  border-bottom: 1px solid var(--border);
}
.specs-mini tr:last-child {
  border-bottom: none;
}
.specs-mini td {
  padding: 7px 0;
  vertical-align: top;
}
.specs-mini td:first-child {
  color: var(--grey-50);
  padding-right: 10px;
  width: 42%;
}
.specs-mini td:last-child {
  font-weight: 600;
  text-align: right;
}
.model-card:hover .model-card-face {
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.1);
}