/* ═══════════════════════════════════════════
   EVIL KITTY SILICON ENGINEER — STYLESHEET
   ═══════════════════════════════════════════ */

:root {
  --bg-primary: oklch(0.10 0.03 0);
  --bg-secondary: oklch(0.14 0.04 350);
  --bg-card: oklch(0.18 0.05 350);
  --accent: oklch(0.60 0.30 30);
  --accent-evil: oklch(0.55 0.30 0);
  --accent-glow: oklch(0.70 0.25 30);
  --cat-eyes: oklch(0.75 0.30 130);
  --text-primary: oklch(0.93 0.02 30);
  --text-secondary: oklch(0.65 0.04 30);
  --border: oklch(0.25 0.05 350);
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-display: 'Creepster', cursive;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background: var(--accent-evil);
  color: var(--text-primary);
}

/* ═══════════ NAVBAR ═══════════ */
#navbar {
  background: transparent;
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}

#navbar.scrolled {
  background: oklch(0.10 0.03 0 / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px oklch(0.55 0.30 0 / 0.2);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
  border-radius: 1px;
}

.nav-link:hover::after { width: 100%; }

/* Hamburger */
.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

#hamburger.active .hamburger-line:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
#hamburger.active .hamburger-line:nth-child(2) { opacity: 0; }
#hamburger.active .hamburger-line:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  background: oklch(0.12 0.03 0 / 0.95);
  backdrop-filter: blur(16px);
  transition: max-height 0.35s ease;
}

.mobile-menu.open { max-height: 300px; }

.mobile-link {
  display: block;
  padding: 0.875rem 1.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, background 0.2s;
}

.mobile-link:hover {
  color: var(--accent);
  background: oklch(0.18 0.05 350 / 0.5);
}

/* ═══════════ HERO ═══════════ */
#hero {
  background:
    radial-gradient(ellipse at 50% 80%, oklch(0.20 0.12 15 / 0.4) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 20%, oklch(0.15 0.08 350 / 0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 30%, oklch(0.15 0.08 350 / 0.2) 0%, transparent 50%),
    var(--bg-primary);
}

.evil-glow-text {
  text-shadow:
    0 0 40px oklch(0.60 0.30 30 / 0.5),
    0 0 80px oklch(0.55 0.30 0 / 0.3),
    0 0 120px oklch(0.55 0.30 0 / 0.15);
}

[data-hero-reveal] {
  transition: opacity 0.8s ease, transform 0.8s ease;
  transition-delay: var(--delay, 0s);
}

[data-hero-reveal].revealed {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Cat Eyes Background */
.cat-eyes-bg {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 120px;
  opacity: 0.15;
  z-index: 1;
}

.cat-eye {
  width: 80px;
  height: 80px;
  background: radial-gradient(ellipse, var(--cat-eyes), oklch(0.50 0.25 130) 60%, transparent 70%);
  border-radius: 50%;
  position: relative;
  box-shadow: 0 0 60px var(--cat-eyes), 0 0 120px oklch(0.75 0.30 130 / 0.3);
  animation: eyePulse 4s ease-in-out infinite;
}

.cat-eye-right { animation-delay: 0.2s; }

.cat-eye-pupil {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 60px;
  background: oklch(0.05 0 0);
  border-radius: 50%;
  transition: height 0.15s;
}

.cat-eye.blink .cat-eye-pupil { height: 4px; }
.cat-eye.blink { transform: scaleY(0.1); }

@keyframes eyePulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 60px var(--cat-eyes), 0 0 120px oklch(0.75 0.30 130 / 0.3); }
  50% { opacity: 0.6; box-shadow: 0 0 40px var(--cat-eyes), 0 0 80px oklch(0.75 0.30 130 / 0.2); }
}

/* Buttons */
.evil-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, var(--accent-evil), var(--accent));
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 0.5rem;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px oklch(0.55 0.30 0 / 0.4);
}

.evil-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px oklch(0.55 0.30 0 / 0.5);
}

.evil-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: transparent;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 0.5rem;
  text-decoration: none;
  transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
}

.evil-btn-secondary:hover {
  transform: translateY(-2px);
  background: oklch(0.60 0.30 30 / 0.1);
  box-shadow: 0 4px 20px oklch(0.60 0.30 30 / 0.2);
}

/* ═══════════ SECTIONS ═══════════ */
.section-heading {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-shadow: 0 0 30px oklch(0.60 0.30 30 / 0.3);
}

@media (min-width: 768px) {
  .section-heading { font-size: 3rem; }
}

.claw-mark {
  color: var(--accent-evil);
  margin-right: 0.5rem;
  opacity: 0.6;
}

/* ═══════════ SCROLL REVEAL ═══════════ */
.scroll-reveal {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal[data-direction="left"] { transform: translateX(-40px); }
.scroll-reveal[data-direction="right"] { transform: translateX(40px); }
.scroll-reveal[data-direction="up"] { transform: translateY(40px); }

.scroll-reveal.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ═══════════ PROFILE FRAME ═══════════ */
.profile-frame {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  border: 2px solid var(--accent-evil);
  box-shadow:
    0 0 30px oklch(0.55 0.30 0 / 0.3),
    inset 0 0 30px oklch(0.55 0.30 0 / 0.1);
}

.profile-frame::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, var(--accent-evil), transparent, var(--accent), transparent, var(--accent-evil));
  background-size: 400% 400%;
  border-radius: 1rem;
  z-index: -1;
  animation: borderGlow 6s linear infinite;
}

@keyframes borderGlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ═══════════ STAT CARDS ═══════════ */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px oklch(0.55 0.30 0 / 0.2);
}

.stat-icon { font-size: 1.5rem; margin-bottom: 0.25rem; }
.stat-label { font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.125rem; }

/* ═══════════ SKILL CARDS ═══════════ */
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.skill-card::before {
  content: '🐾';
  position: absolute;
  top: -8px;
  right: -8px;
  font-size: 3rem;
  opacity: 0.06;
  transform: rotate(15deg);
}

.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px oklch(0.55 0.30 0 / 0.25);
  border-color: var(--accent-evil);
}

.skill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.skill-bar {
  height: 8px;
  background: oklch(0.20 0.03 0);
  border-radius: 4px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-evil), var(--accent), var(--accent-glow));
  border-radius: 4px;
  transition: width 1.2s ease-out;
  position: relative;
  box-shadow: 0 0 10px oklch(0.60 0.30 30 / 0.5);
}

.skill-fill.animated { width: var(--fill-width); }

/* ═══════════ TIMELINE ═══════════ */
.timeline { position: relative; padding-left: 2rem; }

.timeline::before {
  content: '';
  position: absolute;
  left: 0.75rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-evil), var(--accent), var(--accent-evil));
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -1.65rem;
  top: 0.25rem;
  font-size: 1.25rem;
  z-index: 1;
  filter: drop-shadow(0 0 8px oklch(0.55 0.30 0 / 0.6));
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-left: 0.5rem;
  transition: box-shadow 0.3s, border-color 0.3s;
}

.timeline-content:hover {
  box-shadow: 0 8px 30px oklch(0.55 0.30 0 / 0.2);
  border-color: var(--accent-evil);
}

/* ═══════════ INTEREST CARDS ═══════════ */
.interest-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.interest-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, oklch(0.55 0.30 0 / 0.08), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}

.interest-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px oklch(0.55 0.30 0 / 0.25);
  border-color: var(--accent-evil);
}

.interest-card:hover::after { opacity: 1; }

.interest-icon { font-size: 2rem; margin-bottom: 0.5rem; }

/* ═══════════ CONNECT LINKS ═══════════ */
.connect-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.3s, color 0.2s;
}

.connect-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px oklch(0.55 0.30 0 / 0.3);
  border-color: var(--accent);
  color: var(--accent);
}

/* ═══════════ FOOTER ═══════════ */
footer {
  background: var(--bg-primary);
}

/* ═══════════ SCROLLBAR ═══════════ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-evil); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 767px) {
  .cat-eyes-bg { gap: 60px; top: 10%; }
  .cat-eye { width: 50px; height: 50px; }
  .cat-eye-pupil { height: 40px; width: 6px; }
}