/* Index Page - Dark Glass Theme aligning with demo aesthetics */

/* Hero Section */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: 130px 0 80px;
  overflow: hidden;
  background: transparent;
}

/* Ambient overlay specific to hero to deepen the gradient in center */
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(800px 400px at 50% 20%, rgba(0, 209, 255, 0.10), rgba(124, 92, 255, 0.08), rgba(0, 0, 0, 0) 60%);
  filter: blur(40px);
  z-index: 2;
  pointer-events: none;
}

/* Fallback gradient if JS is disabled */
#vanta-bg { position: relative; }

/* Hero Content */
.hero-content {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(220px, 260px) minmax(320px, 420px);
  align-items: center;
  justify-content: center;
  gap: 40px;
  position: relative;
  z-index: 2;
}

/* Hero Cards (glass) */
.hero-card {
  flex: 1;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  text-align: center;
  max-width: 420px;
  min-width: 330px;
  min-height: 500px;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-card:hover { transform: translateY(-8px); box-shadow: var(--card-hover-shadow); }

.hero-card h2 {
  font-family: var(--heading-font);
  font-size: 2.5rem;
  margin-bottom: 16px;
  color: #fff;
}

.hero-card p { margin-bottom: 20px; color: var(--muted-text); font-size: 1.05rem; }

/* CEO Profile */
.ceo-profile { position: relative; display: flex; flex-direction: column; align-items: center; z-index: 3; }

.ceo-image {
  width: 280px; height: 280px; border-radius: 50%; overflow: hidden;
  border: 4px solid rgba(255,255,255,0.20);
  box-shadow: 0 0 0 6px rgba(255,255,255,0.08), 0 20px 40px rgba(0,0,0,0.35), 0 0 30px var(--glow);
  margin: 30px;
}

.ceo-image img { width: 100%; height: 100%; object-fit: cover; }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 999px;
  font-weight: 600; font-family: var(--heading-font); text-align: center; cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  position: relative; overflow: hidden; color: #fff; background: var(--primary-gradient);
  box-shadow: 0 10px 24px var(--glow);
}

.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 32px var(--glow); }

.btn::after {
  content: ''; position: absolute; top: 50%; left: 50%; width: 5px; height: 5px;
  background: rgba(255,255,255,0.5); opacity: 0; border-radius: 100%; transform: scale(1,1) translate(-50%);
  transform-origin: 50% 50%;
}

.btn:focus:not(:active)::after { animation: ripple 1s ease-out; }

@keyframes ripple {
  0% { transform: scale(0,0); opacity: 0.5; }
  20% { transform: scale(25,25); opacity: 0.5; }
  100% { opacity: 0; transform: scale(40,40); }
}

.btn-primary { background: var(--primary-gradient); color: #fff; }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.35); }
.btn-outline:hover { background: rgba(255,255,255,0.08); }

/* Courses Card Specific */
.courses-card { border-left: 5px solid var(--accent-color); border-right: 5px solid var(--accent-color); }

/* Investment Card Specific */
.investment-card { border-left: 5px solid var(--secondary-color); border-right: 5px solid var(--secondary-color); }

/* Responsive Styles */
@media (max-width: 992px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-card { max-width: 100%; }
  .ceo-profile { margin-bottom: 30px; }
}

@media (max-width: 768px) {
  .hero { padding: 100px 0 60px; }
  .hero-card { padding: 30px; }
  .hero-card h2 { font-size: 1.75rem; }
}

@media (max-width: 576px) {
  .hero-card h2 { font-size: 1.5rem; }
  .ceo-image { width: 150px; height: 150px; }
}

/* Sections (About, Services, Testimonials) */
.section { padding: 80px 0; background: transparent; position: relative; }
.uniform-bg { position: relative; }
.uniform-bg::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(700px 350px at 50% 20%, rgba(0, 209, 255, 0.10), rgba(124, 92, 255, 0.08), rgba(0, 0, 0, 0) 60%);
  filter: blur(36px); pointer-events: none; z-index: 1;
}
.uniform-bg .container { position: relative; z-index: 2; }

.section-title {
  font-family: var(--heading-font); font-size: 2.5rem; text-align: center; margin-bottom: 40px; color: #fff; position: relative;
}
.section-title::after {
  content: ''; display: block; width: 64px; height: 4px; border-radius: 999px; margin: 10px auto 0;
  background: var(--primary-gradient); box-shadow: 0 8px 20px var(--glow);
}

/* About */
.about-content { display: grid; grid-template-columns: 1.6fr 1.4fr; gap: 30px; align-items: center; }
.about-text { color: var(--muted-text); }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.stat-item { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px; box-shadow: var(--card-shadow); text-align: center; padding: 24px; color: var(--text-color); }
.stat-item h3 { font-size: 1.8rem; margin-bottom: 6px; color: #fff; }
.stat-item p { color: var(--muted-text); }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
.service-item { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px; box-shadow: var(--card-shadow); padding: 24px; text-align: center; color: var(--text-color); transition: transform var(--transition-fast), box-shadow var(--transition-fast); }
.service-item:hover { transform: translateY(-6px); box-shadow: var(--card-hover-shadow); }
.service-item i { font-size: 2rem; background: var(--primary-gradient); color: #fff; width: 44px; height: 44px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; box-shadow: 0 8px 20px var(--glow); }
.service-item h3 { font-family: var(--heading-font); font-size: 1.2rem; margin-bottom: 8px; color: #fff; }
.service-item p { color: var(--muted-text); }

/* Testimonials */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; }
.testimonial-item { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px; box-shadow: var(--card-shadow); color: var(--text-color); }
.testimonial-text { color: var(--muted-text); margin-bottom: 14px; }
.testimonial-author h4 { font-family: var(--heading-font); color: #fff; }
.testimonial-author p { color: var(--muted-text); }

/* Responsive */
@media (max-width: 992px) {
  .about-content { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .testimonials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 576px) {
  .section { padding: 60px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
}
.hero-card .btn { margin-top: auto; }
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 10px 24px var(--glow);
  margin-bottom: 16px;
}
.card-icon i { font-size: 28px; }