:root {
  --background: 225 30% 97%;
  --foreground: 230 30% 10%;
  --primary: 191 98% 56%;
  --secondary: 270 95% 68%;
  --muted: 220 16% 92%;
  --muted-foreground: 225 12% 40%;
  --destructive: 0 82% 58%;
  --border: 230 18% 84%;
  --card: 0 0% 100%;
  --shadow-sm: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 14px 50px rgba(15, 23, 42, 0.14);
  --shadow-lg: 0 24px 90px rgba(15, 23, 42, 0.2);
  --transition-fast: 180ms ease;
  --transition-smooth: 420ms cubic-bezier(0.22, 1, 0.36, 1);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
}

.dark {
  --background: 228 31% 7%;
  --foreground: 210 40% 98%;
  --primary: 191 100% 62%;
  --secondary: 270 100% 72%;
  --muted: 228 20% 14%;
  --muted-foreground: 220 14% 70%;
  --destructive: 0 78% 60%;
  --border: 225 18% 22%;
  --card: 228 24% 10%;
  --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.22);
  --shadow-md: 0 18px 60px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 30px 120px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  background:
    radial-gradient(circle at top, hsla(191, 100%, 55%, 0.08), transparent 26%),
    radial-gradient(circle at 80% 10%, hsla(270, 100%, 68%, 0.1), transparent 24%),
    hsl(var(--background));
  transition: background var(--transition-smooth), color var(--transition-smooth);
}

.glass-panel {
  background: linear-gradient(180deg, hsl(var(--card) / 0.72), hsl(var(--background) / 0.62));
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
}

.gradient-text {
  background: linear-gradient(90deg, hsl(var(--primary)), hsl(var(--secondary)) 60%, hsl(var(--primary)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-pill,
.icon-btn,
.primary-btn,
.secondary-btn,
.tag-chip,
.profile-chip {
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);
}

.nav-pill {
  border: 1px solid hsl(var(--border) / 0.65);
  padding: 0.7rem 1rem;
  border-radius: 999px;
  font-size: 0.92rem;
  color: hsl(var(--muted-foreground));
  background: hsl(var(--background) / 0.28);
}
.nav-pill:hover { color: hsl(var(--foreground)); transform: translateY(-1px); border-color: hsl(var(--primary) / 0.45); }

.icon-btn {
  height: 2.6rem;
  min-width: 2.6rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid hsl(var(--border) / 0.7);
  background: hsl(var(--card) / 0.5);
  box-shadow: var(--shadow-sm);
}
.icon-btn:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 0 0 1px hsl(var(--primary) / 0.2), 0 0 22px hsl(var(--primary) / 0.18); }

.primary-btn,
.secondary-btn {
  border-radius: 999px;
  padding: 0.9rem 1.25rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.primary-btn {
  color: hsl(0 0% 0%);
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
  box-shadow: 0 0 35px hsl(var(--primary) / 0.25);
}
.primary-btn:hover { transform: translateY(-2px); box-shadow: 0 0 40px hsl(var(--primary) / 0.34); }
.secondary-btn {
  border: 1px solid hsl(var(--border) / 0.7);
  background: hsl(var(--card) / 0.45);
  color: hsl(var(--foreground));
}
.secondary-btn:hover { transform: translateY(-2px); border-color: hsl(var(--primary) / 0.4); }

.section-head { max-width: 48rem; }
.section-kicker {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: hsl(var(--primary) / 0.12);
  color: hsl(var(--primary));
  border: 1px solid hsl(var(--primary) / 0.22);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.section-title {
  font-family: 'Space Grotesk', Inter, sans-serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.05;
}
.section-copy {
  margin-top: 1rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.9;
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(40px);
  opacity: 0.6;
  animation: float 8s ease-in-out infinite;
}
.orb-a {
  height: 16rem;
  width: 16rem;
  background: hsl(var(--primary) / 0.16);
  left: -3rem;
  top: 6rem;
}
.orb-b {
  height: 18rem;
  width: 18rem;
  background: hsl(var(--secondary) / 0.14);
  right: -4rem;
  top: 10rem;
  animation-delay: -3s;
}
.grid-mask {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(hsl(var(--border) / 0.16) 1px, transparent 1px), linear-gradient(90deg, hsl(var(--border) / 0.16) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(255,255,255,0.5), transparent 80%);
}

.typing-caret {
  display: inline-block;
  width: 0.8rem;
  height: 1.2rem;
  margin-left: 0.15rem;
  border-right: 2px solid hsl(var(--primary));
  animation: blink 1s steps(1) infinite;
  vertical-align: middle;
}

.stat-card,
.mini-panel {
  border: 1px solid hsl(var(--border) / 0.65);
  border-radius: var(--radius-md);
  background: hsl(var(--card) / 0.48);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}
.stat-card strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
}
.stat-card span,
.mini-panel span {
  display: block;
  color: hsl(var(--muted-foreground));
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
}
.mini-panel strong { font-size: 0.95rem; }

.profile-chip-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.profile-chip,
.tag-chip {
  border: 1px solid hsl(var(--primary) / 0.2);
  background: hsl(var(--primary) / 0.12);
  color: hsl(var(--primary));
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
}
.tag-chip:hover,
.profile-chip:hover { transform: translateY(-1px); }

.progress-line {
  position: relative;
  width: 100%;
  height: 0.6rem;
  border-radius: 999px;
  overflow: hidden;
  background: hsl(var(--muted));
}
.progress-line.progress-lg { height: 0.75rem; }
.progress-line span {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, hsl(var(--primary)), hsl(var(--secondary)));
  box-shadow: 0 0 25px hsl(var(--primary) / 0.25);
  transition: width 1200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid hsl(var(--border) / 0.65);
  background: linear-gradient(180deg, hsl(var(--card) / 0.76), hsl(var(--background) / 0.76));
  box-shadow: var(--shadow-md);
  transform: translateY(0);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: hsl(var(--primary) / 0.4);
  box-shadow: 0 0 0 1px hsl(var(--primary) / 0.14), 0 20px 80px hsl(var(--primary) / 0.12);
}
.project-visual {
  position: relative;
  min-height: 15rem;
  background:
    radial-gradient(circle at top left, hsl(var(--primary) / 0.26), transparent 35%),
    radial-gradient(circle at bottom right, hsl(var(--secondary) / 0.22), transparent 35%),
    linear-gradient(180deg, hsl(var(--card)), hsl(var(--background)));
  overflow: hidden;
}
.project-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(hsl(var(--border) / 0.2) 1px, transparent 1px), linear-gradient(90deg, hsl(var(--border) / 0.2) 1px, transparent 1px);
  background-size: 26px 26px;
}
.project-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  border: 1px solid hsl(var(--border) / 0.6);
  background: hsl(var(--background) / 0.55);
  color: hsl(var(--foreground));
  backdrop-filter: blur(12px);
  font-size: 0.82rem;
}

.form-field { display: block; }
.form-field span {
  display: inline-block;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  color: hsl(var(--muted-foreground));
}
.form-input {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid hsl(var(--border) / 0.75);
  background: hsl(var(--background) / 0.45);
  color: hsl(var(--foreground));
  padding: 0.95rem 1rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}
.form-input:focus {
  border-color: hsl(var(--primary) / 0.55);
  box-shadow: 0 0 0 4px hsl(var(--primary) / 0.12);
}

.assistant-shell {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
}
.assistant-shell.open { pointer-events: auto; }
.assistant-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}
.assistant-shell.open .assistant-backdrop { opacity: 1; }
.assistant-panel {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  width: min(26rem, calc(100vw - 2rem));
  border-radius: var(--radius-lg);
  overflow: hidden;
  transform: translateY(24px) scale(0.96);
  opacity: 0;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}
.assistant-shell.open .assistant-panel {
  transform: translateY(0) scale(1);
  opacity: 1;
}
.chat-bubble {
  max-width: 88%;
  padding: 0.9rem 1rem;
  border-radius: 18px;
  line-height: 1.7;
  font-size: 0.92rem;
}
.chat-user {
  margin-left: auto;
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
  color: black;
}
.chat-assistant {
  border: 1px solid hsl(var(--border) / 0.65);
  background: hsl(var(--card) / 0.55);
}
.assistant-scroll::-webkit-scrollbar { width: 8px; }
.assistant-scroll::-webkit-scrollbar-thumb {
  background: hsl(var(--border));
  border-radius: 999px;
}

.custom-cursor {
  position: fixed;
  top: -10px;
  left: -10px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: radial-gradient(circle, hsl(var(--primary) / 0.85), hsl(var(--secondary) / 0.3));
  pointer-events: none;
  z-index: 90;
  filter: blur(0.4px);
  box-shadow: 0 0 25px hsl(var(--primary) / 0.4);
  transition: transform 80ms linear;
}

.loader-ring {
  width: 88px;
  height: 88px;
  border-radius: 999px;
  border: 4px solid hsl(var(--border) / 0.3);
  border-top-color: hsl(var(--primary));
  border-right-color: hsl(var(--secondary));
  animation: spin 1s linear infinite;
  margin-inline: auto;
  box-shadow: 0 0 35px hsl(var(--primary) / 0.18);
}

[data-animate] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 800ms ease, transform 800ms cubic-bezier(0.22, 1, 0.36, 1);
}
[data-animate].in-view {
  opacity: 1;
  transform: translateY(0);
}

.pulse-dot { animation: pulse 1.6s infinite; }
.skill-card:hover { transform: translateY(-3px); }

@keyframes blink { 50% { opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.7; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

@media (max-width: 767px) {
  .custom-cursor { display: none; }
  .assistant-panel { right: 0.75rem; left: 0.75rem; width: auto; }
}