/* plmbr.dev — design tokens from nui (Kona light / Mauna dark) */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --background: oklch(0.995 0.003 90);
  --foreground: oklch(0.32 0.01 250);
  --muted: oklch(0.955 0.005 90);
  --muted-foreground: oklch(0.50 0.015 250);
  --border: oklch(0.90 0.006 90);
  --primary: oklch(0.52 0.11 215);
  --primary-foreground: oklch(0.99 0.005 215);
  --card: oklch(0.995 0.003 90);
  --card-foreground: oklch(0.32 0.01 250);
  --accent: oklch(0.945 0.008 90);
  --accent-foreground: oklch(0.35 0.04 215);
  --ring: oklch(0.52 0.11 215);
  --radius: 0.375rem;

  --glow: oklch(0.52 0.11 215 / 4%);
  --brand-gradient-from: oklch(0.48 0.17 255);
  --brand-gradient-to: oklch(0.58 0.14 220);
  --brand-gradient: linear-gradient(135deg, var(--brand-gradient-from), var(--brand-gradient-to));
}

.dark {
  --background: oklch(0.205 0.012 240);
  --foreground: oklch(0.82 0.008 250);
  --muted: oklch(0.275 0.014 240);
  --muted-foreground: oklch(0.62 0.012 250);
  --border: oklch(0.35 0.012 240 / 55%);
  --primary: oklch(0.70 0.10 215);
  --primary-foreground: oklch(0.18 0.02 240);
  --card: oklch(0.225 0.014 240);
  --card-foreground: oklch(0.82 0.008 250);
  --accent: oklch(0.290 0.016 240);
  --accent-foreground: oklch(0.82 0.008 250);
  --ring: oklch(0.70 0.10 215);

  --glow: oklch(0.70 0.10 215 / 6%);
  --brand-gradient-from: oklch(0.72 0.14 255);
  --brand-gradient-to: oklch(0.78 0.12 215);
}

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

html {
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--foreground);
  background-color: var(--background);
  background-image: radial-gradient(ellipse 80% 50% at 50% -20%, var(--glow), transparent);
  background-attachment: fixed;
}

::selection {
  background: color-mix(in oklch, var(--primary) 28%, transparent);
  color: var(--foreground);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  position: relative;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 2rem 1rem 3rem;
}

.page::before,
.page::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(48px);
  opacity: 0.35;
}

.page::before {
  top: 12%;
  left: 18%;
  width: 12rem;
  height: 12rem;
  background: radial-gradient(circle, oklch(0.88 0.16 92 / 38%), transparent 70%);
  animation: ambient-glow 12s ease-in-out infinite;
}

.page::after {
  bottom: 18%;
  right: 14%;
  width: 10rem;
  height: 10rem;
  background: radial-gradient(circle, oklch(0.68 0.20 18 / 32%), transparent 70%);
  animation: ambient-glow 14s ease-in-out infinite reverse;
}

@keyframes ambient-glow {
  0%, 100% {
    transform: scale(1);
    opacity: 0.28;
  }

  50% {
    transform: scale(1.08);
    opacity: 0.42;
  }
}

.theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 0.125rem;
  padding: 0.125rem;
  border: 1px solid color-mix(in oklch, var(--border) 80%, transparent);
  border-radius: 0.5rem;
  background: color-mix(in oklch, var(--muted) 40%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.theme-toggle button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  border-radius: 0.375rem;
  background: transparent;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.theme-toggle button:hover {
  color: var(--foreground);
  background: var(--accent);
}

.theme-toggle button[aria-pressed="true"] {
  color: var(--accent-foreground);
  background: var(--accent);
}

.theme-toggle button:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 1px;
}

.theme-toggle svg {
  width: 1rem;
  height: 1rem;
}

.content {
  position: relative;
  z-index: 1;
  display: flex;
  width: 100%;
  max-width: min(96vw, 42rem);
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
  transform: translateY(-4vh);
}

.content::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: -1;
  width: min(88vw, 36rem);
  height: min(88vw, 36rem);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(
    circle,
    color-mix(in oklch, var(--background) 97%, transparent) 0%,
    color-mix(in oklch, var(--background) 90%, transparent) 30%,
    color-mix(in oklch, var(--background) 62%, transparent) 50%,
    color-mix(in oklch, var(--background) 28%, transparent) 64%,
    color-mix(in oklch, var(--background) 10%, transparent) 76%,
    transparent 84%
  );
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.hero-title {
  margin: 0;
  font-size: clamp(2.25rem, 8vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-tagline {
  margin: 0;
  max-width: 28rem;
  font-size: 1.0625rem;
  color: var(--muted-foreground);
}

.projects {
  display: grid;
  width: 100%;
  gap: 0.875rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 1.125rem 1.25rem;
  border: 1px solid color-mix(in oklch, var(--border) 90%, transparent);
  border-radius: calc(var(--radius) * 2);
  background: color-mix(in oklch, var(--card) 82%, transparent);
  text-align: left;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 1px 2px oklch(0 0 0 / 4%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.15s ease;
}

.project-card:hover {
  border-color: color-mix(in oklch, var(--primary) 35%, var(--border));
  box-shadow: 0 4px 16px color-mix(in oklch, var(--primary) 12%, transparent);
  transform: translateY(-1px);
  text-decoration: none;
}

.project-card:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.project-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.project-name {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--card-foreground);
}

.project-arrow {
  flex-shrink: 0;
  color: var(--muted-foreground);
  transition: color 0.15s ease, transform 0.15s ease;
}

.project-card:hover .project-arrow {
  color: var(--primary);
  transform: translateX(2px);
}

.project-description {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--muted-foreground);
}

.footer {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted-foreground);
}

.footer a {
  color: inherit;
}

.footer a:hover {
  color: var(--foreground);
}

@media (min-width: 640px) {
  .projects {
    gap: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page::before,
  .page::after {
    animation: none !important;
  }

  .project-card {
    transition: none;
  }
}