/* ============================================================
   OmniStudioDev – Ultra Modern Landing
   Aesthetic: Dark futuristic tech with sharp neon accents,
   glassmorphism cards, cinematic grid backgrounds.
   ============================================================ */

/* --- Custom Properties --- */
:root {
  /* Dark palette */
  --bg-primary: #06080f;
  --bg-surface: #0b0e1a;
  --bg-elevated: #111527;
  --bg-glass: rgba(14, 18, 38, 0.72);

  /* Accents */
  --cyan: #00e5ff;
  --cyan-dim: rgba(0, 229, 255, 0.12);
  --violet: #8b5cf6;
  --violet-dim: rgba(139, 92, 246, 0.10);
  --blue: #3b82f6;
  --green: #22d3ee;

  /* Gradients */
  --grad-accent: linear-gradient(135deg, var(--cyan), var(--violet));
  --grad-subtle: linear-gradient(160deg, rgba(0,229,255,0.06), rgba(139,92,246,0.04));
  --grad-card: linear-gradient(145deg, rgba(17,21,39,0.95), rgba(11,14,26,0.98));
  --grad-glow: radial-gradient(ellipse at 30% 0%, rgba(0,229,255,0.08) 0%, transparent 60%);

  /* Text */
  --text-primary: #edf2f7;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;

  /* Borders */
  --border-subtle: rgba(148,163,184, 0.08);
  --border-card: rgba(148,163,184, 0.12);
  --border-accent: rgba(0,229,255, 0.25);

  /* Shadows */
  --shadow-lg: 0 25px 80px -12px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(0,229,255,0.15);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Spacing */
  --space-section: clamp(5rem, 8vw, 8rem);
  --space-inner: clamp(1.25rem, 3vw, 3rem);
  --max-w: 1320px;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.3s var(--ease-out-expo);
}

/* Light theme overrides */
html[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-elevated: #f1f5f9;
  --bg-glass: rgba(255,255,255,0.82);
  --grad-card: linear-gradient(145deg, #ffffff, #f8fafc);
  --grad-glow: radial-gradient(ellipse at 30% 0%, rgba(59,130,246,0.06) 0%, transparent 60%);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --border-subtle: rgba(15,23,42,0.06);
  --border-card: rgba(15,23,42,0.10);
  --border-accent: rgba(59,130,246,0.20);
  --shadow-lg: 0 25px 60px -12px rgba(15,23,42,0.12);
  --shadow-glow: 0 0 40px rgba(59,130,246,0.08);
  --shadow-card: 0 4px 24px rgba(15,23,42,0.08);
  --grad-subtle: linear-gradient(160deg, rgba(59,130,246,0.04), rgba(139,92,246,0.02));
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Outfit', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

::selection {
  background: rgba(0,229,255,0.25);
  color: var(--text-primary);
}

/* --- Grid Background Pattern --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(148,163,184,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

html[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(15,23,42,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,0.03) 1px, transparent 1px);
}

/* Ambient glow orbs */
body::after {
  content: '';
  position: fixed;
  top: -20%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(0,229,255,0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-inner);
  height: 64px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-base);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Space Grotesk', 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--grad-accent);
  box-shadow: 0 0 20px rgba(0,229,255,0.5), inset 0 1px 2px rgba(255,255,255,0.2);
  position: relative;
}
.logo-mark::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: var(--radius-full);
  background: var(--bg-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-base);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--grad-accent);
  border-radius: 2px;
  transition: width var(--transition-base);
}
.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 0.5rem;
}

#languageSwitcher {
  appearance: none;
  background: var(--bg-elevated);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.9rem 0.3rem 0.6rem;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-base);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2394a3b8'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  padding-right: 1.5rem;
}
#languageSwitcher:hover {
  border-color: var(--border-accent);
}
#languageSwitcher option {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.theme-toggle {
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-card);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-base);
}
.theme-toggle:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 10000;
  position: relative;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem var(--space-inner) 4rem;
  overflow: hidden;
}

#heroParticles {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: 0.6;
}

.hero-svg-lines {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  z-index: 0;
}

/* Accent glow behind hero */
.hero::before {
  content: '';
  position: absolute;
  top: 10%; right: -15%;
  width: 50vw; height: 50vw;
  background: radial-gradient(circle, rgba(139,92,246,0.08), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-content { position: relative; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--cyan-dim);
  border: 1px solid rgba(0,229,255,0.15);
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: var(--radius-full);
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero-title {
  font-family: 'Space Grotesk', 'Outfit', sans-serif;
  font-size: clamp(2.6rem, 4.5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 60%, var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

html[data-theme="light"] .hero-title {
  background: linear-gradient(135deg, #0f172a 60%, #2563eb);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--cyan);
  margin-bottom: 1.2rem;
  letter-spacing: 0.01em;
}

html[data-theme="light"] .hero-subtitle {
  color: var(--blue);
}

.hero-summary {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 38rem;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-note {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  max-width: 30rem;
  line-height: 1.6;
}

/* --- Hero Card --- */
.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  position: relative;
  background: var(--grad-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-card);
  padding: 1.75rem;
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-accent);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.hero-chip {
  width: 22px; height: 22px;
  border-radius: var(--radius-full);
  background: var(--grad-accent);
  box-shadow: 0 0 14px rgba(0,229,255,0.5);
  animation: pulse-dot 3s ease-in-out infinite;
}

.hero-status {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-accent);
  color: var(--cyan);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

html[data-theme="light"] .hero-status {
  color: var(--blue);
  border-color: rgba(59,130,246,0.25);
}

.hero-card-body { margin-bottom: 1rem; }

.hero-card-title {
  font-family: 'Space Grotesk', 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.hero-card-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.hero-card-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.hero-pill {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.28rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-card);
  color: var(--text-tertiary);
  transition: all var(--transition-base);
}
.hero-pill:hover {
  border-color: var(--border-accent);
  color: var(--text-secondary);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radius-full);
  border: none;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--grad-accent);
  color: #020617;
  box-shadow: 0 8px 30px rgba(0,229,255,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,229,255,0.45);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
}
.btn-secondary:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
  background: var(--cyan-dim);
}

html[data-theme="light"] .btn-secondary {
  background: var(--grad-accent);
  border: none;
  color: #020617;
  box-shadow: 0 8px 30px rgba(0,229,255,0.2);
}
html[data-theme="light"] .btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,229,255,0.35);
  background: var(--grad-accent);
  color: #020617;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-card);
  background: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
}
.btn-outline:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
  background: var(--cyan-dim);
}

.btn-cta {
  margin-top: 1.25rem;
  font-size: 1.05rem;
  padding: 0.9rem 2.25rem;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  position: relative;
  z-index: 1;
  padding: var(--space-section) var(--space-inner);
}

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-title {
  font-family: 'Space Grotesk', 'Outfit', sans-serif;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.section-text {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 48rem;
}

/* --- About Section --- */
.section-about {
  background: var(--grad-glow);
}

.section-about .section-block {
  margin-bottom: 2.5rem;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.feature-card {
  position: relative;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  background: var(--grad-card);
  backdrop-filter: blur(8px);
  transition: all var(--transition-base);
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 60px; height: 3px;
  background: var(--grad-accent);
  border-radius: 0 0 3px 0;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.feature-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.feature-card:hover::before { opacity: 1; }

.feature-card h3 {
  font-family: 'Space Grotesk', 'Outfit', sans-serif;
  font-size: 1.08rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.feature-card p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- Learn Section --- */
.learn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.learn-card {
  position: relative;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  background: var(--grad-card);
  backdrop-filter: blur(8px);
  transition: all var(--transition-base);
  counter-increment: module;
}
.learn-card::before {
  content: counter(module, decimal-leading-zero);
  position: absolute;
  top: 1rem; right: 1rem;
  font-family: 'Space Grotesk', monospace;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--cyan-dim);
  line-height: 1;
  pointer-events: none;
}

html[data-theme="light"] .learn-card::before {
  color: rgba(59,130,246,0.08);
}

.learn-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.learn-card h3 {
  font-family: 'Space Grotesk', 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  padding-right: 2.5rem;
  color: var(--text-primary);
}
.learn-card p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.learn-footer {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* --- CTA Section --- */
.section-cta { padding-bottom: var(--space-section); }

.section-cta-inner {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 3.5rem 3rem;
  border: 1px solid var(--border-accent);
  background: var(--grad-card);
  overflow: hidden;
  text-align: center;
}
.section-cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,229,255,0.06), transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(139,92,246,0.05), transparent 50%);
  pointer-events: none;
}

.section-cta-inner .section-title,
.section-cta-inner .section-text {
  position: relative;
  z-index: 1;
}

.section-cta-inner .section-text {
  max-width: 36rem;
  margin: 0 auto;
}

.section-cta-inner .btn-cta {
  position: relative;
  z-index: 1;
}

/* ============================================================
   ACCORDION (conteudo.html)
   ============================================================ */
.section-content { padding-top: 7rem; }

.accordion {
  margin-top: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  overflow: hidden;
  background: var(--grad-card);
}

.accordion-item {
  border-bottom: 1px solid var(--border-subtle);
}
.accordion-item:last-child { border-bottom: none; }

.accordion-header {
  padding: 1rem 1.25rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition-base);
}
.accordion-header:hover {
  background: var(--cyan-dim);
}

.accordion-title {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-primary);
}

.accordion-icon {
  font-size: 1.1rem;
  color: var(--text-tertiary);
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.accordion-body {
  padding: 0 1.25rem 1rem;
  font-size: 0.97rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.accordion-body ul {
  list-style: none;
  padding: 0;
}
.accordion-body li {
  padding: 0.35rem 0 0.35rem 1.2rem;
  position: relative;
}
.accordion-body li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.75rem;
  width: 5px; height: 5px;
  border-radius: var(--radius-full);
  background: var(--cyan);
  opacity: 0.5;
}

/* ============================================================
   TERMS (termos.html)
   ============================================================ */
.section-terms { padding-top: 7rem; }

.terms-subtitle {
  font-family: 'Space Grotesk', 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.terms-final {
  margin-top: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--cyan-dim);
  border-left: 3px solid var(--cyan);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  position: relative;
  z-index: 1;
  padding: 2rem var(--space-inner);
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-tertiary);
}

.footer a {
  color: var(--cyan);
  transition: opacity var(--transition-base);
}
.footer a:hover { opacity: 0.75; }

/* ============================================================
   REVEAL ANIMATIONS 
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
}
/* Fallback: show content if JS hasn't run after 3s */
@keyframes revealFallback {
  to { opacity: 1; transform: none; }
}
.reveal {
  animation: revealFallback 0.5s ease 3s forwards;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: #06080f;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    z-index: 9999;
    align-items: flex-start;
    overflow-y: auto;
  }
  [data-theme="light"] .nav.open {
    background: #f8fafc;
  }
  .nav.open .nav-link {
    font-size: 1.25rem;
    opacity: 1;
  }
  .nav.open .nav-controls {
    margin-left: 0;
    margin-top: 1rem;
  }

  .nav-toggle { display: flex; }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-visual { justify-content: flex-start; }
  .hero-card { max-width: 100%; }

  .section-grid,
  .learn-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 640px) {
  .hero-title { font-size: clamp(1.8rem, 6vw, 2.4rem); }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .section-cta-inner { padding: 2rem 1.5rem; }
  .learn-footer { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.section-contact { padding-top: 7rem; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

/* Each card spans 2 columns (6-col grid = 3 cards per row) */
.contact-grid .contact-card {
  grid-column: span 2;
}

/* Last row: Trailhead + 2 WhatsApp cards, all centered */
.contact-grid .contact-card--trailhead {
  grid-column: 1 / span 2;
}
.contact-grid .contact-card--whatsapp-community {
  grid-column: 3 / span 2;
}
.contact-grid .contact-card--whatsapp-message {
  grid-column: 5 / span 2;
}

/* On smaller screens, go back to the responsive auto-fit grid */
@media (max-width: 980px) {
  .contact-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .contact-grid .contact-card,
  .contact-grid .contact-card--trailhead,
  .contact-grid .contact-card--whatsapp-community,
  .contact-grid .contact-card--whatsapp-message {
    grid-column: auto;
  }
}


.contact-card {
  position: relative;
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  background: var(--grad-card);
  backdrop-filter: blur(8px);
  transition: all var(--transition-base);
  text-align: center;
}
.contact-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: var(--radius-full);
  background: var(--cyan-dim);
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

.contact-card h3 {
  font-family: 'Space Grotesk', 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.contact-card p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.contact-card a {
  color: var(--cyan);
  font-weight: 500;
  transition: opacity var(--transition-base);
}
.contact-card a:hover { opacity: 0.75; }

html[data-theme="light"] .contact-card a {
  color: var(--blue);
}

.contact-note {
  margin-top: 2.5rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--cyan-dim);
  border-left: 3px solid var(--cyan);
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   SKIP LINK (accessibility)
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--cyan);
  color: #020617;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0.5rem;
}

/* ============================================================
   SALARY COMPARISON TABLE
   ============================================================ */
.salary-table-wrap {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0,229,255,0.12);
}
.salary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  line-height: 1.5;
  min-width: 540px;
}
.salary-table caption {
  text-align: left;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0.5rem 1rem 0.25rem;
  font-style: italic;
}
.salary-table thead {
  background: var(--bg-elevated);
}
.salary-table th {
  padding: 0.85rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--cyan);
  border-bottom: 1px solid rgba(0,229,255,0.18);
}
.salary-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text-secondary);
}
.salary-table tbody tr:last-child td {
  border-bottom: none;
}
.salary-table tbody tr:hover {
  background: rgba(0,229,255,0.04);
}
.salary-table .highlight-col {
  color: var(--text-primary);
  font-weight: 600;
}

/* Light mode overrides */
[data-theme="light"] .salary-table thead {
  background: #f1f5f9;
}
[data-theme="light"] .salary-table th {
  color: var(--violet);
  border-bottom-color: rgba(139,92,246,0.18);
}
[data-theme="light"] .salary-table td {
  border-bottom-color: rgba(0,0,0,0.06);
}
[data-theme="light"] .salary-table tbody tr:hover {
  background: rgba(139,92,246,0.04);
}
[data-theme="light"] .salary-table-wrap {
  border-color: rgba(139,92,246,0.15);
}


/* Popup Cupom */
.popup-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.7); z-index:99999; align-items:center; justify-content:center; }
.popup-overlay.active { display:flex; }
.popup-box { background:var(--bg-elevated); border-radius:1rem; padding:2rem; max-width:460px; width:90%; text-align:center; position:relative; box-shadow:0 12px 40px rgba(0,0,0,0.4); border:1px solid rgba(0,229,255,0.15); }
.popup-box h3 { font-family:'Space Grotesk',sans-serif; font-size:1.3rem; color:var(--text-primary); margin-bottom:1rem; }
.popup-box p { color:var(--text-secondary); line-height:1.65; margin-bottom:1rem; font-size:0.95rem; }
.popup-coupon { display:inline-block; background:rgba(0,229,255,0.1); border:2px dashed #00E5FF; border-radius:0.5rem; padding:0.6rem 1.5rem; font-family:'Space Grotesk',sans-serif; font-size:1.15rem; font-weight:700; color:#00E5FF; letter-spacing:0.5px; cursor:pointer; transition:background 0.2s; margin:0.75rem 0; }
.popup-coupon:hover { background:rgba(0,229,255,0.2); }
.popup-copied { font-size:0.8rem; color:#00E5FF; min-height:1.2rem; margin-bottom:0.5rem; }
.popup-close { position:absolute; top:0.75rem; right:1rem; background:none; border:none; color:var(--text-secondary); font-size:1.5rem; cursor:pointer; line-height:1; }
.popup-close:hover { color:var(--text-primary); }
[data-theme="light"] .popup-coupon { background:rgba(0,100,200,0.08); border-color:#0066cc; color:#0066cc; }
[data-theme="light"] .popup-copied { color:#0066cc; }