/* nekoguntai.dev apex landing — custom styles layered on top of Tailwind CDN */

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4rem;
}

body {
  font-family: 'General Sans', ui-sans-serif, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code, pre, kbd, samp {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

.no-fouc body { visibility: hidden; }

/* Skip-to-content link */
.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--bg-raised);
  color: var(--ink-primary);
  border: 1px solid var(--border-soft);
  border-radius: 0.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transition: top 0.15s ease-out;
}
.skip-link:focus { top: 1rem; }

/* Hero background: stacked radial gradients for soft glow */
.hero-glow {
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(183, 162, 255, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(244, 174, 185, 0.12), transparent 70%),
    radial-gradient(ellipse 55% 45% at 80% 90%, rgba(156, 207, 176, 0.10), transparent 70%);
}

/* Blurred blobs sit inside the hero for extra depth */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
}

/* Abstract cat silhouette — a fourth "blob" with a shape. Sits behind the
   wordmark, softly blurred so it reads as part of the glow until you look. */
.cat-blob {
  position: absolute;
  pointer-events: none;
  opacity: 0.3;
  filter: blur(44px);
  mix-blend-mode: screen;
  color: var(--accent-lilac);
}
.cat-blob svg { width: 100%; height: auto; display: block; }

/* Twinkle dots behind the wordmark */
.twinkle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--ink-primary);
  border-radius: 50%;
  opacity: 0.2;
  animation: twinkle 5s ease-in-out infinite;
  pointer-events: none;
}
.twinkle.sm { width: 2px; height: 2px; }
.twinkle.lg { width: 4px; height: 4px; }
.twinkle:nth-child(1) { animation-delay: 0s; }
.twinkle:nth-child(2) { animation-delay: 0.8s; animation-duration: 6s; }
.twinkle:nth-child(3) { animation-delay: 1.6s; animation-duration: 4.5s; }
.twinkle:nth-child(4) { animation-delay: 2.4s; animation-duration: 7s; }
.twinkle:nth-child(5) { animation-delay: 3.2s; animation-duration: 5.5s; }
.twinkle:nth-child(6) { animation-delay: 4s;   animation-duration: 6.5s; }
.twinkle:nth-child(7) { animation-delay: 1.2s; animation-duration: 5s; }

@keyframes twinkle {
  0%, 100% { opacity: 0.2; transform: scale(0.85); }
  50%      { opacity: 1;   transform: scale(1.15); }
}

/* Gentle float for the header logo mark */
.float-slow { animation: floatSlow 6s ease-in-out infinite; }
@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}

/* Fade-in-up on load, staggered */
@keyframes fadeInUp {
  0%   { opacity: 0; transform: translateY(10px); }
  100% { opacity: 1; transform: translateY(0); }
}
.animate-fade-in-up   { animation: fadeInUp 0.6s ease-out both; }
.animate-fade-in-up-1 { animation: fadeInUp 0.6s ease-out 0.08s both; }
.animate-fade-in-up-2 { animation: fadeInUp 0.6s ease-out 0.16s both; }
.animate-fade-in-up-3 { animation: fadeInUp 0.6s ease-out 0.24s both; }
.animate-fade-in-up-4 { animation: fadeInUp 0.6s ease-out 0.32s both; }

/* Etched kanji above the kicker — same fill as the base bg so the gradient
   glow behind it reveals the negative silhouette of the characters. */
.jp-etch {
  color: var(--bg-void);
  /* Gyōshotai — semi-cursive brush script. Strokes flow into each other;
     the weight is baked into the shape so no faux-bold. */
  font-family: "Yuji Boku", "Yuji Syuku", "Yuji Mai", "Hiragino Mincho ProN",
               "Noto Serif CJK JP", cursive, serif;
  font-weight: 400;
  letter-spacing: 0.18em;
  /* a breath of highlight so the edge reads even where the glow is faint */
  text-shadow: 0 1px 0 rgba(245, 236, 220, 0.04);
}

/* Gradient text fill for the wordmark */
.wordmark-fill {
  background-image: linear-gradient(135deg, var(--accent-sakura), var(--accent-lilac) 55%, var(--accent-cream));
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}

/* Project cards */
.project-card {
  position: relative;
  background: var(--bg-raised);
  border: 1px solid var(--border-soft);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: transform 0.2s ease-out, border-color 0.2s ease-out, background 0.2s ease-out, box-shadow 0.2s ease-out;
}
.project-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-lilac);
  background: var(--bg-raised-hi);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}
.project-card.placeholder {
  border-style: dashed;
  border-color: var(--border-soft);
  background: transparent;
}
.project-card.placeholder:hover {
  transform: none;
  border-color: var(--ink-dim);
  background: transparent;
  box-shadow: none;
}

/* Pill badges */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.125rem 0.625rem;
  font-size: 0.6875rem;
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 9999px;
  border: 1px solid currentColor;
  opacity: 0.9;
}

/* Paw glyph — tiny SVG-shaped accent for footer & placeholder */
.paw {
  display: inline-block;
  width: 0.75em;
  height: 0.75em;
  vertical-align: -0.1em;
  color: currentColor;
}

/* Section divider: two fading rules meet three lilac diamonds */
.section-rule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  height: 88px;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  color: var(--accent-lilac);
}
.section-rule::before,
.section-rule::after {
  content: "";
  flex: 1;
  height: 1px;
  min-width: 1.5rem;
}
.section-rule::before {
  background: linear-gradient(90deg, transparent 0%, rgba(244, 244, 245, 0.08) 55%, rgba(183, 162, 255, 0.55) 100%);
}
.section-rule::after {
  background: linear-gradient(90deg, rgba(183, 162, 255, 0.55) 0%, rgba(244, 244, 245, 0.08) 45%, transparent 100%);
}
.section-rule .diamond {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: currentColor;
  transform: rotate(45deg);
  flex-shrink: 0;
}
.section-rule .diamond.sm {
  width: 5px;
  height: 5px;
  opacity: 0.55;
}
.section-rule .label {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-muted);
  white-space: nowrap;
}

.section-rule .num {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--accent-lilac);
  white-space: nowrap;
}

@media (max-width: 640px) {
  .section-rule { height: 64px; gap: 0.75rem; }
  .section-rule .label { font-size: 0.625rem; letter-spacing: 0.2em; }
}

/* Fixed grain overlay — kills gradient banding, adds tactility */
.grain {
  position: fixed;
  inset: 0;
  z-index: 80;
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.8 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* Reduced-motion kill switch — CSS guard + JS-added class */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .twinkle,
  .float-slow,
  .animate-fade-in-up,
  .animate-fade-in-up-1,
  .animate-fade-in-up-2,
  .animate-fade-in-up-3,
  .animate-fade-in-up-4 { animation: none !important; }
}
.no-motion .twinkle,
.no-motion .float-slow,
.no-motion .animate-fade-in-up,
.no-motion .animate-fade-in-up-1,
.no-motion .animate-fade-in-up-2,
.no-motion .animate-fade-in-up-3,
.no-motion .animate-fade-in-up-4 { animation: none !important; }