/* ============================================================
   PGX Framework — Home Page (Ecosystem)
   Hero · Framework Showcase · Core Highlight · Philosophy
   Building in Public · Academy CTA
   ============================================================ */

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, color-mix(in srgb, var(--fw-primary) 12%, transparent) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 30% 70%, color-mix(in srgb, var(--fw-secondary) 8%, transparent) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 70% 30%, color-mix(in srgb, var(--accent-pink) 6%, transparent) 0%, transparent 60%);
  z-index: 0;
}

.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--fw-primary) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--fw-primary) 5%, transparent) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPulse 8s ease-in-out infinite;
  z-index: 0;
}

.hero-content { position: relative; z-index: 1; max-width: 850px; }

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 99px;
  font-size: 0.8rem; font-weight: 600;
  background: color-mix(in srgb, var(--fw-primary) 15%, transparent);
  border: 1px solid color-mix(in srgb, var(--fw-primary) 30%, transparent);
  color: var(--fw-primary);
  margin-bottom: 24px;
  animation: badgeGlow 3s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 8px;
}

.hero .engine-tag {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 300;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-typing {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  color: var(--fw-secondary);
  min-height: 1.6em;
  margin-bottom: 40px;
}

.hero-typing .cursor {
  display: inline-block;
  width: 2px; height: 1.1em;
  background: var(--fw-secondary);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

.hero-ctas {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}

/* ===== PHILOSOPHY CARDS ===== */
.philosophy-quote {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text-secondary);
  border-left: 3px solid;
  border-image: var(--fw-gradient) 1;
  padding-left: 20px;
  margin-bottom: 48px;
  max-width: 650px;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.philosophy-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.philosophy-card:hover {
  transform: translateY(-4px);
  border-color: var(--fw-secondary);
  box-shadow: 0 0 30px color-mix(in srgb, var(--fw-secondary) 15%, transparent);
}

.philosophy-card .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.12), rgba(127, 0, 255, 0.04));
  border: 1px solid rgba(0, 188, 212, 0.25);
  box-shadow: 0 0 20px rgba(0, 188, 212, 0.06);
  transition: box-shadow 0.3s, transform 0.3s;
}
.philosophy-card:hover .icon {
  box-shadow: 0 0 28px rgba(0, 188, 212, 0.18);
  transform: scale(1.08);
}

.philosophy-card h4 {
  font-size: 1rem; font-weight: 700;
  margin-bottom: 8px;
}

.philosophy-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== BUILDING IN PUBLIC / ROADMAP ===== */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.roadmap-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s;
}

.roadmap-card:hover {
  transform: translateY(-4px);
  border-color: var(--fw-secondary);
}

.roadmap-card .roadmap-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.roadmap-card h4 {
  font-size: 1rem; font-weight: 700;
  margin-bottom: 8px;
}

.roadmap-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== ACADEMY CTA ===== */
.academy-cta {
  text-align: center;
  padding: 80px 0;
}

.academy-cta h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.academy-cta p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 550px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .philosophy-grid { grid-template-columns: 1fr 1fr; }
  .roadmap-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .philosophy-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
}