/* Layout — Structural grid, world-adaptive, scrollable content over fixed canvas */

body {
  background: var(--color-bg);
}

.app {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.main {
  flex: 1;
  position: relative;
}

/* ═══ Canvas (fixed starfield behind all content) ═══ */

.canvas {
  position: relative;
}

#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

/* ═══ Cursor Glow ═══ */

.cursor-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  background: radial-gradient(
    circle,
    rgba(var(--color-accent-rgb), 0.04) 0%,
    rgba(var(--color-accent-rgb), 0.015) 35%,
    rgba(var(--color-accent-rgb), 0.005) 55%,
    transparent 70%
  );
  transition: opacity 0.8s var(--ease-out);
  will-change: transform;
  mix-blend-mode: screen;
}

[data-theme="light"] .cursor-glow {
  mix-blend-mode: multiply;
  background: radial-gradient(
    circle,
    rgba(var(--color-accent-rgb), 0.06) 0%,
    rgba(var(--color-accent-rgb), 0.02) 35%,
    transparent 60%
  );
}

.cursor-glow.active {
  opacity: 1;
}

/* ═══ Scrollable content layer ═══ */

.page-content {
  position: relative;
  z-index: 2;
}

/* ═══ Hero Section ═══ */

.hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 0 var(--page-padding);
}

.canvas-identity {
  text-align: center;
  max-width: 680px;
  margin-bottom: var(--space-3xl);
  padding: var(--space-xl) var(--space-2xl);
  border-radius: 999px;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 1px solid transparent;
  transition: background 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
  user-select: none;
  -webkit-user-select: none;
  cursor: default;
}

[data-light-active="1"] .canvas-identity {
  background: rgba(26, 24, 22, 0.12);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-color: rgba(255, 255, 255, 0.03);
}

[data-theme="light"][data-light-active="1"] .canvas-identity {
  background: rgba(245, 242, 238, 0.18);
  border-color: rgba(0, 0, 0, 0.04);
}

.canvas-name {
  font-family: 'Outfit', 'Inter', system-ui, sans-serif;
  font-size: var(--font-size-hero);
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.1;
  color: var(--color-text-primary);
  margin: 0;
}

.canvas-tagline {
  font-family: var(--font-body);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-light);
  line-height: var(--line-height-body);
  color: var(--color-text-secondary);
  margin: var(--space-md) auto 0;
  white-space: nowrap;
}

/* ═══ Signal Cards ═══ */

.canvas-signals {
  display: flex;
  gap: var(--space-lg);
}

.signal-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xl) var(--space-2xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  cursor: default;
  transition:
    transform var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-primary),
    background var(--duration-normal) var(--ease-primary);
  min-width: 140px;
}

.signal-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

.signal-icon {
  font-size: 20px;
  color: var(--color-accent);
  line-height: 1;
  opacity: 0.7;
}

.signal-label {
  font-family: var(--font-mono);
  font-size: var(--font-size-label);
  font-weight: 500;
  letter-spacing: var(--letter-spacing-label);
  text-transform: var(--text-transform-label);
  color: var(--color-text-primary);
}

.signal-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  text-align: center;
}

/* ═══ Content Sections ═══ */

.content-section {
  padding: var(--space-section) var(--page-padding);
}

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

.section-inner.section-centered {
  text-align: center;
}

.section-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--font-size-label);
  font-weight: 500;
  letter-spacing: var(--letter-spacing-label);
  text-transform: var(--text-transform-label);
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.content-section h2 {
  font-size: var(--font-size-h1);
  margin-bottom: var(--space-xl);
}

.content-section p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-body);
  margin-bottom: var(--space-md);
  max-width: 55ch;
}

.section-centered p {
  margin-left: auto;
  margin-right: auto;
}

/* ═══ Project List ═══ */

.project-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-top: var(--space-xl);
}

.project-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition:
    border-color var(--duration-normal) var(--ease-primary),
    background var(--duration-normal) var(--ease-primary);
}

.project-item:hover {
  border-color: var(--color-border-strong);
}

.project-marker {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-top: 10px;
  flex-shrink: 0;
  opacity: 0.6;
}

.project-info {
  flex: 1;
  min-width: 0;
}

.project-info h3 {
  font-size: var(--font-size-body);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.project-info p {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin: 0;
  max-width: none;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.04em;
  color: var(--color-text-tertiary);
  background: var(--color-accent-dim);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ═══ Process Grid ═══ */

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.process-card {
  padding: var(--space-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

.process-number {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  opacity: 0.5;
  display: block;
  margin-bottom: var(--space-md);
}

.process-card h3 {
  font-size: var(--font-size-body);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.process-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin: 0;
  max-width: none;
}

/* ═══ Connect ═══ */

.connect-text {
  max-width: 45ch;
}

.connect-links {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  margin-top: var(--space-xl);
}

.connect-link {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-text-secondary);
  padding: var(--space-sm) var(--space-xl);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition:
    color var(--duration-fast) var(--ease-primary),
    border-color var(--duration-fast) var(--ease-primary);
}

.connect-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ═══ Footer ═══ */

.site-footer {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10;
}

.footer-credit {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--color-text-tertiary);
  opacity: 0.5;
  user-select: none;
  -webkit-user-select: none;
}

.footer-linkedin {
  display: flex;
  align-items: center;
  color: var(--color-text-tertiary);
  opacity: 0.3;
  transition: opacity 0.2s ease;
}

.footer-linkedin:hover {
  opacity: 0.7;
}

.footer-linkedin svg {
  width: 14px;
  height: 14px;
}

/* ═══ Responsive ═══ */

@media (max-width: 768px) {
  :root {
    --page-padding: 16px;
  }

  .canvas-signals {
    flex-direction: column;
    align-items: center;
  }

  .signal-card {
    width: 100%;
    max-width: 280px;
  }

  .canvas-identity {
    margin-bottom: var(--space-2xl);
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .project-item {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .project-marker {
    margin-top: 0;
  }
}

@media (max-width: 480px) {
  .canvas-name {
    font-size: clamp(32px, 8vw, 48px);
  }

  .canvas-tagline {
    font-size: 16px;
  }
}