/* ═══════════════════════════════════════════════════════════════════════
   GNP Institute – Home Page CSS
   ═══════════════════════════════════════════════════════════════════════ */

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding-top: var(--nav-h); overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.25; animation: float 8s ease-in-out infinite;
}
.hero-orb-1 { width: 600px; height: 600px; background: var(--accent);  top: -200px; right: -100px; animation-delay: 0s; }
.hero-orb-2 { width: 400px; height: 400px; background: var(--gold);    bottom: -100px; left: -50px; animation-delay: 3s; }
.hero-orb-3 { width: 300px; height: 300px; background: #8b5cf6;        top: 40%; left: 30%; animation-delay: 5s; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-30px) scale(1.05); }
}

.hero-inner { position: relative; z-index: 1; padding: 80px 0; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.25);
  border-radius: 100px; padding: 8px 18px; margin-bottom: 32px;
  font-size: 0.8rem; font-weight: 600; color: var(--accent-light);
}
.hero-badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success); box-shadow: 0 0 8px var(--success);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.5} }

.hero-title {
  font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800; line-height: 1.1; margin-bottom: 24px;
  max-width: 800px;
}
.hero-subtitle {
  font-size: 1.15rem; color: var(--text-secondary); line-height: 1.7;
  max-width: 600px; margin-bottom: 40px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }

.hero-stats {
  display: flex; align-items: center; gap: 0; flex-wrap: wrap;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 24px 32px;
  width: fit-content; gap: 0;
}
.hero-stat { text-align: center; padding: 0 28px; }
.hero-stat:first-child { padding-left: 0; }
.hero-stat-num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--text-primary); }
.hero-stat-label { font-size: 0.78rem; color: var(--text-secondary); font-weight: 500; }
.hero-stat-divider { width: 1px; height: 40px; background: var(--border); flex-shrink: 0; }

/* ─── Courses ────────────────────────────────────────────────────────────── */
.courses-section { padding: 100px 0; }
.courses-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.courses-loader { grid-column: 1/-1; display:flex; justify-content:center; padding: 40px; }

.course-card {
  position: relative; overflow: hidden;
  background: var(--bg-card2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  cursor: pointer; transition: all 0.3s ease;
  text-decoration: none; display: block;
}
.course-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--course-color, var(--accent)) 0%, transparent 60%);
  opacity: 0.05; transition: opacity 0.3s;
}
.course-card:hover { transform: translateY(-6px); border-color: var(--course-color, var(--border-glow)); box-shadow: 0 20px 50px rgba(0,0,0,0.4); }
.course-card:hover::before { opacity: 0.1; }

.course-card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; }
.course-emoji { font-size: 2.5rem; }
.course-free-tag {
  font-size: 0.7rem; font-weight: 700; padding: 4px 10px;
  background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3);
  border-radius: 100px; color: var(--success);
}
.course-title { font-family: var(--font-display); font-size: 1.35rem; font-weight: 700; margin-bottom: 10px; }
.course-desc { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.6; margin-bottom: 20px; }
.course-meta { display: flex; gap: 16px; }
.course-meta-item { display: flex; align-items: center; gap: 5px; font-size: 0.78rem; color: var(--text-muted); }
.course-cta {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border);
}
.course-cta-link { font-size: 0.85rem; font-weight: 600; transition: gap 0.2s; }
.course-card:hover .course-cta-link { letter-spacing: 0.02em; }
.course-color-bar {
  position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: var(--course-color, var(--accent)); opacity: 0.6;
}

/* ─── How It Works ───────────────────────────────────────────────────────── */
.how-section { padding: 100px 0; }
.how-steps {
  display: flex; align-items: flex-start; gap: 0;
  flex-wrap: wrap; justify-content: center;
}
.how-step {
  flex: 1; min-width: 180px; max-width: 240px;
  text-align: center; padding: 28px 20px;
  background: var(--bg-card2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); position: relative;
}
.how-step:hover { border-color: var(--border-glow); transform: translateY(-4px); transition: all 0.3s; }
.how-step-num {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  font-size: 0.7rem; font-weight: 800; padding: 4px 12px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border-radius: 100px; color: #fff; letter-spacing: 0.08em;
}
.how-step-icon { font-size: 2.2rem; margin: 10px 0 14px; }
.how-step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.how-step p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }
.how-arrow { font-size: 1.5rem; color: var(--text-muted); align-self: center; padding: 0 8px; margin-top: 14px; }

/* ─── Features ───────────────────────────────────────────────────────────── */
.features-section { padding: 100px 0; }
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.feature-card {
  padding: 30px; transition: all 0.3s;
}
.feature-card:hover { transform: translateY(-4px); }
.feature-icon { font-size: 2rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.65; }

/* ─── Lead Section ───────────────────────────────────────────────────────── */
.lead-section { padding: 100px 0; }
.lead-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  padding: 60px; align-items: center;
}
.lead-form { display: flex; flex-direction: column; }

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 48px;
}
.footer-brand p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.7; margin-bottom: 20px; }
.footer-socials { display: flex; gap: 10px; }
.footer-social {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
  transition: all 0.2s; cursor: pointer;
}
.footer-social:hover { background: var(--accent-glow); border-color: var(--accent); }
.footer-links-col { display: flex; flex-direction: column; gap: 10px; }
.footer-links-col h4 { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-links-col a { color: var(--text-secondary); font-size: 0.875rem; transition: color 0.2s; }
.footer-links-col a:hover { color: var(--text-primary); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--border); padding-top: 24px;
  color: var(--text-muted); font-size: 0.8rem; flex-wrap: wrap; gap: 8px;
}

@media (max-width: 900px) {
  .how-steps { gap: 12px; }
  .how-arrow { display: none; }
  .how-step { min-width: 150px; }
  .lead-card { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 0; }
  .hero-stat { padding: 0 16px; }
}
@media (max-width: 600px) {
  .hero-stats { flex-direction: column; width: 100%; padding: 20px; gap: 16px; }
  .hero-stat-divider { width: 60px; height: 1px; }
  .footer-grid { grid-template-columns: 1fr; }
  .lead-card { padding: 30px 20px; }
}