/* ============================================================
   BASE.CSS
   Reset, body styles, global typography, noise texture,
   art-mode background decoration, and scroll behavior.
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  transition: background var(--theme-transition), color var(--theme-transition);
  overflow-x: hidden;
  min-height: 100vh;
  /* position:relative removed — ink canvas is now fixed */
}

/* ── Noise Texture Overlay ────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 999;
  opacity: 0.4;
}

/* ── Art Mode Ambient Background Blobs ────────── */
.art-brush {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity var(--theme-transition);
}

body.art-mode .art-brush {
  opacity: 1;
}

.art-brush::before {
  content: '';
  position: fixed;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, #c4622d22 0%, transparent 70%);
}

.art-brush::after {
  content: '';
  position: fixed;
  bottom: -100px;
  left: -100px;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, #7a9e7e22 0%, transparent 70%);
}

/* ── Section Fade-in Animation ────────────────── */
.profile-section {
  animation: fadeUp 0.6s ease forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Profile Mode Badge (bottom-right corner) ─── */
.mode-badge {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--accent);
  color: var(--bg);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 100;
  transition: background var(--theme-transition), color var(--theme-transition);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* ── Academic / Art Content Visibility ────────── */
.art-only  { display: none; }

body.art-mode .academic-only { display: none; }
body.art-mode .art-only      { display: block; }

/* ── Responsive Base ──────────────────────────── */
@media (max-width: 768px) {
  :root {
    --section-pad: 3rem 1.5rem;
  }
}

/* ── Custom Cursors ───────────────────────────── */
/* All interactive elements inherit cursor from body
   so JS in cursors.js fully controls the cursor.   */
a, button, [onclick],
.gallery-item, .floating-toggle,
.course-card, .skill-pill, .btn {
  cursor: inherit;
}