/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: transparent; /* fixed canvas shows through */
  z-index: 2;
}

#hero-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1; /* above html bg, below all page content (z≥2) */
  pointer-events: none;
  will-change: transform;
}

.gradient-mesh {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.mesh-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}

.mesh-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--php-glow);
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  animation: meshDrift1 30s ease-in-out infinite alternate;
}

.mesh-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--cosmic-cyan);
  bottom: 10%;
  left: 10%;
  opacity: 0.08;
  animation: meshDrift2 40s ease-in-out infinite alternate;
}

.mesh-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--cosmic-pink);
  top: 30%;
  right: 5%;
  opacity: 0.06;
  animation: meshDrift3 35s ease-in-out infinite alternate;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 var(--space-8);
  max-width: 900px;
  width: 100%;
}

.hero-logo {
  width: 96px;
  height: 96px;
  margin-bottom: var(--space-8);
  filter: drop-shadow(0 0 32px rgba(157, 91, 255, 0.5));
  animation: logoFloat 6s ease-in-out infinite;
  color: var(--php-glow);
}

.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.2em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  margin-bottom: var(--space-5);
  white-space: nowrap;
}

.hero-eyebrow span {
  color: rgba(157, 91, 255, 0.7);
}

.hero-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-display);
  font-weight: 700;
  line-height: var(--lh-display);
  letter-spacing: -0.03em;
  color: var(--text-primary);
  text-shadow: 0 0 64px rgba(157, 91, 255, 0.3);
  margin-bottom: var(--space-6);
  text-wrap: balance;
}

.hero-subhead {
  font-size: var(--text-xl);
  line-height: var(--lh-xl);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto var(--space-10);
  text-wrap: pretty;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.hero-cta-secondary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-tertiary);
  text-decoration: none;
  margin-bottom: var(--space-16);
  transition: color var(--transition-fast);
}

.hero-cta-secondary:hover {
  color: var(--php-glow);
}

.hero-cta-secondary svg {
  width: 14px;
  height: 14px;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}


/* ===== WHAT IS PHPLAY ===== */
.section-what {
  background: transparent;
  position: relative;
  z-index: 2;
}

.what-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: var(--lh-4xl);
  letter-spacing: -0.025em;
  max-width: 22ch;
  text-wrap: balance;
  margin-bottom: var(--space-6);
}

.what-body {
  font-size: var(--text-lg);
  line-height: var(--lh-lg);
  color: var(--text-secondary);
  max-width: 42ch;
  text-wrap: pretty;
  margin-bottom: var(--space-3);
}

.what-body + .what-body {
  margin-bottom: var(--space-16);
}

.pillar-icon {
  font-size: 32px;
  margin-bottom: var(--space-4);
  display: block;
}

.pillar-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.pillar-body {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--lh-base);
  text-wrap: pretty;
}


/* ===== FEATURE SHOWCASE ===== */
.section-features {
  background: transparent;
  padding: var(--space-20) 0;
  position: relative;
  z-index: 2;
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.feature-row {
  position: relative;
}

.feature-glow {
  position: absolute;
  width: 600px;
  height: 400px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.07;
  pointer-events: none;
  z-index: 0;
}

.feature-glow--purple {
  background: var(--php-glow);
}
.feature-glow--cyan {
  background: var(--cosmic-cyan);
  opacity: 0.05;
}
.feature-glow--pink {
  background: var(--cosmic-pink);
  opacity: 0.04;
}

.feature-content {
  position: relative;
  z-index: 1;
}

.feature-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: var(--lh-3xl);
  letter-spacing: -0.025em;
  max-width: 20ch;
  text-wrap: balance;
  margin-bottom: var(--space-5);
}

.feature-body {
  font-size: var(--text-base);
  line-height: var(--lh-base);
  color: var(--text-secondary);
  max-width: 42ch;
  text-wrap: pretty;
}

.feature-media {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
  /* will-change hints GPU layer promotion for smooth parallax */
  will-change: transform;
}


/* ===== WHY PHPLAY ===== */
.section-why {
  background: rgba(14, 17, 22, 0.65); /* subtle dark so comparison table stays legible */
  position: relative;
  z-index: 2;
}

.why-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: var(--lh-4xl);
  letter-spacing: -0.025em;
  max-width: 22ch;
  text-wrap: balance;
  margin-bottom: var(--space-6);
}

.why-body {
  font-size: var(--text-lg);
  line-height: var(--lh-lg);
  color: var(--text-secondary);
  max-width: 48ch;
  text-wrap: pretty;
  margin-bottom: var(--space-12);
}


/* ===== OPEN SOURCE ===== */
.section-opensource {
  background: transparent;
  position: relative;
  z-index: 2;
}

.opensource-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(157, 91, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.opensource-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: var(--lh-4xl);
  letter-spacing: -0.025em;
  max-width: 22ch;
  text-wrap: balance;
  margin-bottom: var(--space-6);
}

.opensource-body {
  font-size: var(--text-lg);
  line-height: var(--lh-lg);
  color: var(--text-secondary);
  max-width: 48ch;
  text-wrap: pretty;
  margin-bottom: var(--space-12);
}

.opensource-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.opensource-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--transition-slow), box-shadow var(--transition-slow), transform var(--transition-slow);
}

.opensource-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-xl), var(--glow-php-soft);
  transform: translateY(-4px);
}

.opensource-card-icon {
  width: 48px;
  height: 48px;
  color: var(--php-glow);
  fill: currentColor;
}

.opensource-card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.opensource-card-body {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--lh-base);
  text-wrap: pretty;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--border-default);
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.opensource-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.opensource-badges img {
  height: 20px;
  width: auto;
  border-radius: 3px;
}


/* ===== DOWNLOAD ===== */
.section-download {
  background: transparent;
  position: relative;
  z-index: 2;
}

.download-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: var(--lh-4xl);
  letter-spacing: -0.025em;
  text-wrap: balance;
  margin-bottom: var(--space-4);
}

.download-subhead {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-12);
  text-wrap: pretty;
}

.download-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.download-cards--single {
  grid-template-columns: 1fr;
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

.download-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  transition: border-color var(--transition-slow), box-shadow var(--transition-slow), transform var(--transition-slow);
}

.download-card--available:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-xl), var(--glow-php-soft);
  transform: translateY(-4px);
}

.download-card--soon {
  opacity: 0.6;
}

.platform-icon {
  font-size: 64px;
  line-height: 1;
  color: var(--php-glow);
  filter: drop-shadow(0 0 16px rgba(157, 91, 255, 0.4));
}

.platform-icon--soon {
  color: var(--text-tertiary);
  filter: none;
}

.platform-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
}

.platform-formats {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

.download-card .btn {
  width: 100%;
  margin-top: var(--space-2);
}

.download-meta {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.download-meta a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.download-meta a:hover {
  color: var(--php-glow);
  text-decoration-color: var(--php-glow);
}


/* ===== FOOTER ===== */
.site-footer {
  background: rgba(7, 8, 12, 0.90);
  border-top: 1px solid var(--border-subtle);
  position: relative;
  z-index: 2;
  padding: var(--space-16) 0 var(--space-8);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.footer-logo-icon {
  width: 28px;
  height: 28px;
  color: var(--php-glow);
}

.footer-logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--text-primary);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: var(--lh-base);
}

.footer-github-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
  margin-top: var(--space-2);
}

.footer-github-link:hover {
  color: var(--text-secondary);
}

.footer-github-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.footer-col-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
  letter-spacing: 0.01em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-secondary);
}

.footer-bar {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--text-disabled);
}