@layer reset, tokens, base, layout, components, animations, utilities;

@layer reset;

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

  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
  }

  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }

  body {
    min-height: 100dvh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    background-color: var(--color-bg);
    color: var(--color-text);
  }

  img,
  picture,
  video,
  canvas,
  svg {
    display: block;
    max-width: 100%;
  }

  input,
  button,
  textarea,
  select {
    font: inherit;
  }

  p,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    overflow-wrap: break-word;
  }

  h1, h2, h3, h4, h5, h6 {
    text-wrap: balance;
  }

  p {
    text-wrap: pretty;
  }

  ul,
  ol {
    list-style: none;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  button {
    cursor: pointer;
    border: none;
    background: none;
  }

  #root,
  #__next {
    isolation: isolate;
  }
}
@layer tokens;

/* ─── Typed custom properties ─── */

@property --orb-x   { syntax: '<percentage>'; inherits: false; initial-value: 15%; }
@property --orb-y   { syntax: '<percentage>'; inherits: false; initial-value: 75%; }
@property --orb-hue { syntax: '<angle>';      inherits: false; initial-value: 145deg; }
@property --orb-2-x { syntax: '<percentage>'; inherits: false; initial-value: 82%; }
@property --orb-2-hue { syntax: '<angle>';    inherits: false; initial-value: 48deg; }
@property --border-angle { syntax: '<angle>'; inherits: false; initial-value: 0deg; }
@property --count-val { syntax: '<integer>';  inherits: false; initial-value: 0; }

@layer tokens {
  :root {
    /* ── Light palette ── */
    --color-bg:            oklch(0.98 0.008 60);
    --color-surface:       oklch(0.96 0.006 60);
    --color-surface-2:     oklch(0.93 0.008 60);
    --color-border:        oklch(0.88 0.010 60);
    --color-border-strong: oklch(0.78 0.015 60);
    --color-text:          oklch(0.14 0.040 248);
    --color-text-muted:    oklch(0.42 0.030 248);
    --color-text-light:    oklch(0.62 0.020 248);

    /* ── Accent ── */
    --color-accent:        oklch(0.22 0.060 248);
    --color-accent-hover:  oklch(0.14 0.060 248);
    --color-green:         oklch(0.72 0.200 145);
    --color-green-dim:     oklch(0.55 0.160 145);
    --color-amber:         oklch(0.66 0.180 48);

    /* ── Hero (dark) ── */
    --color-void:          oklch(0.10 0.040 248);
    --color-void-2:        oklch(0.14 0.040 248);
    --color-hero-text:     oklch(0.96 0.010 60);

    /* ── Legacy aliases ── */
    --color-teal:    var(--color-green);
    --color-violet:  var(--color-amber);
    --color-cobalt:  oklch(0.55 0.100 225);
    --color-space:   var(--color-surface);

    /* ── Type scale ── */
    --text-hero:   clamp(3.5rem, 7vw, 7.5rem);
    --text-h1:     clamp(2.5rem, 5vw, 5rem);
    --text-h2:     clamp(1.75rem, 3vw, 2.75rem);
    --text-h3:     clamp(1.25rem, 2vw, 1.75rem);
    --text-body:   clamp(1rem, 1.2vw, 1.125rem);
    --text-mono:   clamp(0.8rem, 0.9vw, 0.875rem);
    --text-small:  clamp(0.7rem, 0.8vw, 0.8rem);
    --text-label:  0.7rem;

    /* ── Spacing ── */
    --space-1:  0.25rem;
    --space-2:  0.5rem;
    --space-3:  0.75rem;
    --space-4:  1rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* ── Layout ── */
    --container-max: 1280px;
    --container-pad: clamp(1.5rem, 5vw, 4rem);
    --section-pad-y: clamp(3rem, 5vw, 5rem);

    /* ── Nav ── */
    --nav-height: 52px;
    --nav-top:    clamp(140px, 28vh, 260px);

    /* ── Radius ── */
    --radius-sm:   6px;
    --radius-md:   12px;
    --radius-lg:   20px;
    --radius-xl:   32px;
    --radius-full: 9999px;

    /* ── Shadows ── */
    --shadow-nav:      0 2px 24px oklch(0.14 0.04 248 / 0.09), 0 1px 4px oklch(0.14 0.04 248 / 0.06);
    --shadow-card:     0 1px 3px oklch(0.14 0.04 248 / 0.05), 0 4px 16px oklch(0.14 0.04 248 / 0.06);
    --shadow-card-lg:  0 4px 32px oklch(0.14 0.04 248 / 0.12);
    --shadow-dropdown: 0 8px 48px oklch(0.14 0.04 248 / 0.15), 0 2px 8px oklch(0.14 0.04 248 / 0.08);

    /* ── Transitions ── */
    --transition-fast:   120ms ease;
    --transition-base:   250ms ease;
    --transition-slow:   400ms ease;
    --transition-spring: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* ── Z-index ── */
    --z-base:     0;
    --z-raised:   10;
    --z-nav:      100;
    --z-overlay:  200;
    --z-dropdown: 300;
  }
}
@layer base;

@layer base {
  :root {
    --font-mono:    'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;
    --font-display: 'Clash Display', 'Inter', system-ui, sans-serif;
    --font-body:    system-ui, -apple-system, 'Segoe UI', sans-serif;
  }

  body {
    font-family: var(--font-body);
    font-size: var(--text-body);
    color: var(--color-text);
  }

  h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
  }

  h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
  }

  .font-mono,
  code,
  kbd,
  samp,
  pre {
    font-family: var(--font-mono);
    font-size: var(--text-mono);
  }

  strong, b {
    font-weight: 700;
  }

  small {
    font-size: var(--text-small);
  }
}
@layer utilities;

@layer utilities {
  /* Visually hidden but accessible to screen readers */
  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  /* Skip link — visible on focus */
  .skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: var(--z-overlay);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-mono);
    font-size: var(--text-small);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-void);
    background: var(--color-teal);
    border-radius: var(--radius-md);
    transition: top var(--transition-fast);
  }

  .skip-link:focus {
    top: var(--space-4);
  }

  /* Focus styles — visible on keyboard navigation */
  :focus-visible {
    outline: 2px solid var(--color-teal);
    outline-offset: 3px;
    border-radius: 2px;
  }

  /* Interactive elements — no focus ring on mouse click */
  :focus:not(:focus-visible) {
    outline: none;
  }

  /* Reduced motion: disable if() fallback */
  .article-card {
    transition-duration: if(
      media(prefers-reduced-motion: reduce): 0ms;
      else: 300ms;
    );
  }
}
@layer layout;

@layer layout {
  /* ─── Container ─── */
  .container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
  }

  .container--narrow { max-width: 860px; }
  .container--wide   { max-width: 1440px; }

  /* ─── Footer grid ─── */
  .footer__grid {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: var(--space-12);
    align-items: start;
  }

  /* ─── Two-column layout ─── */
  .layout-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
  }

  @media (max-width: 768px) {
    .footer__grid {
      grid-template-columns: 1fr;
      gap: var(--space-8);
    }

    .layout-two-col {
      grid-template-columns: 1fr;
    }
  }
}
@layer layout;

@layer layout {
  /* ─── Base section ─── */
  .section {
    position: relative;
    padding-block: var(--section-pad-y);
  }

  /* Section canvas — sits behind all content */
  .section-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
  }

  /* Lift content above canvas */
  .section > .container {
    position: relative;
    z-index: 1;
  }

  /* ─── Section backgrounds (light theme) ─── */
  .section--stats    { background: var(--color-bg); }
  .section--repos    { background: var(--color-surface); }
  .section--articles { background: var(--color-bg); }
  .section--projects { background: var(--color-surface); }
  .section--about    { background: var(--color-surface-2); }
  .section--void     { background: var(--color-void); }

  /* ─── Section header row — heading block + optional controls ─── */
  .section__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
  }

  .section__header-text {
    flex: 1;
    min-width: 220px;
  }

  /* ─── Section heading ─── */
  .section__heading {
    font-size: var(--text-h2);
    color: var(--color-text);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 0;
  }

  /* Editorial two-tone: .section__heading em highlights one word */
  .section__heading em {
    font-style: normal;
    color: var(--color-green);
  }

  /* Dark section variant (hero bg) */
  .section--void .section__heading {
    color: var(--color-hero-text);
  }

  .section__subheading {
    font-size: var(--text-body);
    color: var(--color-text-muted);
    margin-top: var(--space-4);
    line-height: 1.65;
    max-width: 68ch;
  }

  /* ─── Category label (above headings) ─── */
  .category-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-small);
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--color-green);
    margin-bottom: var(--space-3);
  }

  .category-label::before {
    content: '//';
    opacity: 0.45;
  }

  /* Dark section variant */
  .section--void .category-label {
    color: var(--color-green);
  }

  /* ─── Section CTA ─── */
  .section__cta {
    text-align: center;
    margin-top: var(--space-12);
  }

  /* ─── About AI tool badges ─── */
  .about__tools {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    list-style: none;
    margin-block: var(--space-6);
  }

  .about__tool-badge {
    font-family: var(--font-mono);
    font-size: clamp(0.68rem, 1.8vw, 0.72rem);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    background: oklch(0.14 0.04 248 / 0.07);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
  }

  .about__tool-badge--ai {
    background: oklch(0.72 0.200 145 / 0.10);
    color: var(--color-green-dim);
    border-color: oklch(0.72 0.200 145 / 0.25);
  }

  .about__tool-badge--blue {
    background: oklch(0.60 0.130 240 / 0.10);
    color: oklch(0.45 0.120 240);
    border-color: oklch(0.60 0.130 240 / 0.28);
  }

  /* ─── About portrait ─── */
  .about__portrait {
    display: block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card-lg);
  }

  .about__portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    aspect-ratio: 3 / 4;
  }
}
@layer components;

@layer components {
  /* ─── Editorial dark hero — full-height, bottom-left ─── */
  .section--hero {
    height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    overflow: hidden;
    animation:
      orb-1-drift 14s ease-in-out infinite,
      orb-2-drift 11s ease-in-out infinite;
    background:
      radial-gradient(
        circle at var(--orb-x) var(--orb-y),
        oklch(0.30 0.24 var(--orb-hue) / 0.55) 0%,
        transparent 50%
      ),
      radial-gradient(
        circle at var(--orb-2-x) 25%,
        oklch(0.28 0.20 var(--orb-2-hue) / 0.45) 0%,
        transparent 45%
      ),
      radial-gradient(
        circle at 55% 85%,
        oklch(0.22 0.16 55 / 0.3) 0%,
        transparent 50%
      ),
      var(--color-void);
  }

  /* Hero background image — sits above dark base overlay */
  .hero__bg-picture {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
  }

  .hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    opacity: 1;
  }

  /* Dark vignette overlay — base layer below image */
  .hero__bg-fallback {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
      radial-gradient(ellipse at 18% 55%, oklch(0.28 0.22 145 / 0.5) 0%, transparent 50%),
      radial-gradient(ellipse at 78% 22%, oklch(0.26 0.18 48 / 0.4) 0%, transparent 48%),
      var(--color-void);
    pointer-events: none;
  }

  /* Three.js canvas — particles above the image */
  #hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    opacity: 0.75;
  }

  /* Hero content — bottom-left editorial layout */
  .hero__content {
    position: relative;
    z-index: 4;
    max-width: min(820px, 75vw);
    padding-block-start: calc(var(--nav-height) + var(--nav-top) * 2 + var(--space-32));
    padding-block-end: clamp(4rem, 8vw, 7rem);
  }

  /* Eyebrow */
  .hero__eyebrow {
    font-family: var(--font-mono);
    font-size: var(--text-small);
    color: var(--color-green);
    letter-spacing: 0.06em;
    margin-bottom: var(--space-6);
    opacity: 0.8;
  }

  /* Headline — very large, white-to-green gradient */
  .hero__headline {
    font-family: var(--font-display);
    font-size: var(--text-hero);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 0.93;
    margin-bottom: var(--space-6);
    background: linear-gradient(
      in oklch 105deg,
      oklch(0.96 0.010 60),
      oklch(0.90 0.012 60),
      oklch(0.82 0.22 145) 72%,
      oklch(0.72 0.20 145)
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 100%;
    animation: text-shimmer 8s ease-in-out infinite alternate;
  }

  /* Tagline */
  .hero__tagline {
    font-size: var(--text-h3);
    color: oklch(0.68 0.022 248);
    margin-bottom: var(--space-12);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.5;
    max-width: 52ch;
  }

  /* CTA group */
  .hero__cta-group {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
  }

  /* ─── Buttons ─── */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-8);
    font-family: var(--font-mono);
    font-size: var(--text-small);
    font-weight: 700;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    transition:
      transform var(--transition-base),
      box-shadow var(--transition-base),
      background var(--transition-fast),
      color var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    border: 1px solid transparent;
  }

  /* Hero primary — cream on dark */
  .btn--primary {
    background: var(--color-hero-text);
    color: var(--color-void);
    border-color: transparent;
  }

  .btn--primary:hover {
    background: oklch(0.92 0.012 60);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px oklch(0.96 0.010 60 / 0.14);
  }

  /* Ghost on dark */
  .btn--ghost {
    background: transparent;
    color: oklch(0.78 0.015 60);
    border-color: oklch(0.96 0.010 60 / 0.22);
  }

  .btn--ghost:hover {
    background: oklch(0.96 0.010 60 / 0.08);
    border-color: oklch(0.96 0.010 60 / 0.42);
    color: oklch(0.96 0.010 60);
    transform: translateY(-2px);
  }

  /* Dark button for light sections */
  .btn--dark {
    background: var(--color-accent);
    color: oklch(0.96 0.010 60);
    border-color: transparent;
  }

  .btn--dark:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px oklch(0.22 0.06 248 / 0.20);
  }

  /* Outline for light sections */
  .btn--outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border-strong);
  }

  .btn--outline:hover {
    border-color: var(--color-text-muted);
    background: oklch(0.14 0.04 248 / 0.04);
    transform: translateY(-2px);
  }

  /* Scroll indicator */
  .hero__scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    opacity: 0.35;
    animation: scroll-fade 2.5s ease-in-out infinite;
  }

  .hero__scroll-line {
    display: block;
    width: 1px;
    height: 3rem;
    background: linear-gradient(
      in oklch to bottom,
      oklch(0.72 0.200 145),
      transparent
    );
  }

  @media (max-width: 768px) {
    .hero__content {
      max-width: 100%;
    }
  }
}
@layer components;

@layer components {
  /* ─── Stats section — compact horizontal bar ─── */
  .section--stats {
    padding-block: var(--space-12);
  }

  /* ─── Page identity — above stats bar ─── */
  .page-identity {
    text-align: center;
    margin-bottom: var(--space-16);
  }

  /* Streaming hex rail */
  .cipher-stream {
    overflow: hidden;
    margin-bottom: var(--space-6);
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  }

  .cipher-stream__inner {
    display: flex;
    width: max-content;
    animation: cipher-scroll 14s linear infinite;
  }

  .cipher-stream__inner span {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: oklch(0.72 0.200 145 / 0.35);
    letter-spacing: 0.10em;
    white-space: nowrap;
    padding-right: 3rem;
  }

  @keyframes cipher-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
  }

  /* Title — animated gradient sweep */
  .page-identity__title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: var(--space-3);
    background: linear-gradient(
      90deg,
      oklch(0.28 0.07 240)  0%,
      oklch(0.48 0.16 225) 20%,
      oklch(0.70 0.22 205) 38%,
      oklch(0.88 0.16 188) 50%,
      oklch(0.70 0.22 205) 62%,
      oklch(0.48 0.16 225) 80%,
      oklch(0.28 0.07 240) 100%
    );
    background-size: 300% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: title-gradient-sweep 4s ease-in-out infinite alternate;
  }

  .page-identity__title em {
    font-style: normal;
    -webkit-text-fill-color: transparent;
  }

  .page-identity__sub {
    font-family: var(--font-mono);
    font-size: clamp(0.78rem, 2vw, 0.92rem);
    color: var(--color-text-muted);
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  /* ─── Bordered stats bar ─── */
  .stats-bar {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    flex-wrap: wrap;
  }

  .stat-item {
    flex: 1;
    min-width: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-8) var(--space-6);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
  }

  /* Last item per row: no right border */
  .stat-item:last-child { border-right: none; }

  /* Stat number */
  .stat-number {
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 2.8vw, 2.2rem);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
    letter-spacing: -0.03em;
    display: block;
  }

  /* Stat label */
  .stat-label {
    font-family: var(--font-mono);
    font-size: clamp(0.64rem, 1.8vw, 0.72rem);
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    max-width: 18ch;
    line-height: 1.4;
  }

  /* Mobile: 2-per-row grid, clean borders, no scroll animation */
  @media (max-width: 640px) {
    .stats-bar {
      display: grid;
      grid-template-columns: 1fr 1fr;
    }

    .stat-item {
      min-width: 0;
      padding: var(--space-6) var(--space-4);
      border-right: 1px solid var(--color-border);
    }

    /* Remove right border on every even item (right column) */
    .stat-item:nth-child(2n) { border-right: none; }

    /* Remove bottom border on last two items */
    .stat-item:nth-last-child(-n+2) { border-bottom: none; }

    .stat-number { font-size: clamp(1.3rem, 7vw, 1.8rem); }
    .stat-label  { font-size: 0.62rem; }
  }
}
@layer components;

@layer components {
  /* ─── Category group ─── */
  .articles-category {
    margin-top: var(--space-16);
  }

  .articles-category:first-child {
    margin-top: 0;
  }

  .articles-category__label {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-small);
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--color-green);
    margin-bottom: var(--space-6);
  }

  .articles-category__label::before {
    content: '//';
    opacity: 0.45;
  }

  .articles-category__label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
  }

  /* ─── Articles grid — 3-col editorial layout ─── */
  .articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }

  /* First <li> in each grid spans 2 cols — featured treatment */
  .articles-grid > li:first-child {
    grid-column: span 2;
  }

  .articles-grid > li:first-child .article-card__image {
    aspect-ratio: 16 / 7;
  }

  /* ─── Article card ─── */
  .article-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition:
      box-shadow var(--transition-base),
      transform var(--transition-base),
      border-color var(--transition-fast);
    text-decoration: none;
    color: inherit;
  }

  .article-card:hover {
    box-shadow: var(--shadow-card-lg);
    transform: translateY(-3px);
    border-color: var(--color-border-strong);
  }

  /* Hero image */
  .article-card__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-surface-2);
    flex-shrink: 0;
  }

  .article-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.6s ease;
  }

  .article-card:hover .article-card__image img {
    transform: scale(1.04);
  }

  /* Card body */
  .article-card__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6) var(--space-6);
    flex: 1;
  }

  /* Top row: category tag + date */
  .article-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    flex-wrap: wrap;
  }

  .article-card__category-tag {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-mono);
    font-size: clamp(0.62rem, 1.6vw, 0.68rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: var(--radius-full);
    background: oklch(0.72 0.200 145 / 0.12);
    color: var(--color-green-dim);
    white-space: nowrap;
  }

  .article-card__category-tag--devops {
    background: oklch(0.66 0.180 48 / 0.12);
    color: oklch(0.50 0.16 48);
  }

  .article-card__category-tag--security {
    background: oklch(0.55 0.100 225 / 0.12);
    color: oklch(0.42 0.100 225);
  }

  .article-card__date {
    font-family: var(--font-mono);
    font-size: var(--text-small);
    color: var(--color-text-light);
  }

  /* Title */
  .article-card__title {
    font-family: var(--font-display);
    font-size: clamp(0.95rem, 1.4vw, 1.1rem);
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-text);
    letter-spacing: -0.01em;
    transition: color var(--transition-fast);
  }

  .article-card:hover .article-card__title {
    color: var(--color-green-dim);
  }

  /* Excerpt */
  .article-card__excerpt {
    font-size: var(--text-body);
    color: var(--color-text-muted);
    line-height: 1.65;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* Footer */
  .article-card__footer {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: auto;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
  }

  .article-card__read-more {
    font-family: var(--font-mono);
    font-size: var(--text-small);
    color: var(--color-text-light);
    letter-spacing: 0.03em;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .articles-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .article-card:first-child {
      grid-column: span 2;
    }
  }

  @media (max-width: 768px) {
    .articles-grid {
      grid-template-columns: 1fr;
    }

    .articles-grid > li:first-child {
      grid-column: span 1;
    }

    .articles-grid > li:first-child .article-card__image {
      aspect-ratio: 16 / 9;
    }
  }
}
@layer components;

@layer components {
  /* ─── Numbered editorial projects list ─── */
  .projects-list {
    display: flex;
    flex-direction: column;
  }

  .project-item {
    display: grid;
    grid-template-columns: 1fr min(300px, 36%);
    gap: var(--space-12);
    align-items: center;
    padding-block: var(--space-12);
    border-bottom: 1px solid var(--color-border);
  }

  .project-item:first-child {
    border-top: 1px solid var(--color-border);
  }

  /* Info column */
  .project-item__info {
    display: flex;
    flex-direction: column;
  }

  /* Large muted number */
  .project-item__number {
    font-family: var(--font-mono);
    font-size: clamp(2.4rem, 4.5vw, 4rem);
    font-weight: 700;
    color: var(--color-border);
    line-height: 1;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    display: block;
    transition: color var(--transition-base);
  }

  .project-item:hover .project-item__number {
    color: var(--color-green);
  }

  /* Project name */
  .project-item__name {
    font-family: var(--font-display);
    font-size: var(--text-h2);
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: var(--space-4);
  }

  /* Description */
  .project-item__description {
    font-size: var(--text-body);
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: var(--space-6);
    max-width: 58ch;
  }

  /* Links row */
  .project-item__links {
    display: flex;
    gap: var(--space-5);
    align-items: center;
    flex-wrap: wrap;
  }

  .project-item__link {
    font-family: var(--font-mono);
    font-size: var(--text-small);
    letter-spacing: 0.04em;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    transition:
      opacity var(--transition-fast),
      gap var(--transition-fast);
  }

  .project-item__link:hover {
    opacity: 0.7;
    gap: var(--space-2);
  }

  /* GitHub star count badge */
  .project-item__stars {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-mono);
    font-size: var(--text-small);
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 3px 10px;
    text-decoration: none;
    transition: color var(--transition-fast), border-color var(--transition-fast);
  }

  .project-item__stars svg {
    color: oklch(0.70 0.18 80);
    flex-shrink: 0;
  }

  .project-item__stars:hover {
    color: var(--color-text);
    border-color: var(--color-border-strong);
  }

  /* Visual placeholder column */
  .project-item__visual {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface-2);
  }

  .project-item__media-fallback {
    width: 100%;
    height: 100%;
    background:
      radial-gradient(
        ellipse at 35% 40%,
        oklch(0.72 0.200 145 / 0.10) 0%,
        transparent 60%
      ),
      radial-gradient(
        ellipse at 70% 65%,
        oklch(0.66 0.180 48 / 0.08) 0%,
        transparent 60%
      ),
      var(--color-surface-2);
    transition: transform 0.6s ease;
  }

  .project-item:hover .project-item__media-fallback {
    transform: scale(1.04);
  }

  .project-item__screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    transition: transform 0.6s ease;
  }

  .project-item:hover .project-item__screenshot {
    transform: scale(1.04);
  }

  /* Mobile: single column, visual below info */
  @media (max-width: 768px) {
    .project-item {
      grid-template-columns: 1fr;
      gap: var(--space-6);
    }

    .project-item__visual { display: block; aspect-ratio: 16 / 9; }

    .project-item__name { font-size: var(--text-h3); }

    .project-item__number {
      font-size: clamp(2rem, 7vw, 3rem);
    }
  }
}
@layer components;

@layer components {
  /* ─── Repos section header — tighter than default ─── */
  .section--repos .section__header {
    margin-bottom: var(--space-6);
  }

  /* ─── GitHub repos grid ─── */
  .repos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }

  /* ─── Individual repo card ─── */
  .repo-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition:
      box-shadow var(--transition-base),
      transform var(--transition-base),
      border-color var(--transition-fast);
  }

  .repo-card:hover {
    box-shadow: var(--shadow-card-lg);
    transform: translateY(-2px);
    border-color: var(--color-border-strong);
  }

  /* Repo name */
  .repo-card__name {
    font-family: var(--font-mono);
    font-size: clamp(0.78rem, 1.4vw, 0.88rem);
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--transition-fast);
  }

  .repo-card:hover .repo-card__name {
    color: var(--color-green-dim);
  }

  /* Description */
  .repo-card__desc {
    font-size: var(--text-small);
    color: var(--color-text-muted);
    line-height: 1.55;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* Footer: language + stars */
  .repo-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
  }

  .repo-card__lang {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: var(--text-small);
    color: var(--color-text-muted);
  }

  .repo-card__lang-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  .repo-card__stars {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-mono);
    font-size: var(--text-small);
    font-weight: 600;
    color: var(--color-text-muted);
  }

  .repo-card__stars svg {
    color: oklch(0.70 0.18 80);
    flex-shrink: 0;
  }

  /* Loading skeleton */
  .repo-card--skeleton {
    pointer-events: none;
  }

  .repo-card--skeleton .repo-card__name,
  .repo-card--skeleton .repo-card__desc,
  .repo-card--skeleton .repo-card__footer {
    background: var(--color-surface-2);
    border-radius: var(--radius-sm);
    color: transparent;
    animation: skeleton-pulse 1.4s ease-in-out infinite;
  }

  .repo-card--skeleton .repo-card__name  { width: 60%; height: 1em; }
  .repo-card--skeleton .repo-card__desc  { height: 2.8em; }
  .repo-card--skeleton .repo-card__footer { height: 1em; border: none; }

  @keyframes skeleton-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .repos-grid { grid-template-columns: repeat(2, 1fr); }
  }

  @media (max-width: 640px) {
    .repos-grid { grid-template-columns: 1fr; }
  }
}
@layer components;

@layer components {
  /*
   * Wavy bottom edges via polygon() — sampled from a sine curve.
   * y(x) = center + amplitude × sin(cycles × 2π × x/100)
   *
   * hero:     2.5 cycles, amplitude 4%, center 95%   → range 91–99%
   * stats:    2 cycles,   amplitude 3%, center 95%   → range 92–98%
   * articles: 1.5 cycles, amplitude 3%, center 94%   → range 91–97%
   * projects: 1 cycle,    amplitude 2%, center 96%   → range 94–98%
   */

  /* ─── Hero bottom wave ─── */
  .section--hero {
    /* clip-path: polygon(
      0% 0%, 100% 0%, 100% 95%,
      95% 97.83%, 90% 99%,   85% 97.83%, 80% 95%,
      75% 92.17%, 70% 91%,   65% 92.17%, 60% 95%,
      55% 97.83%, 50% 99%,   45% 97.83%, 40% 95%,
      35% 92.17%, 30% 91%,   25% 92.17%, 20% 95%,
      15% 97.83%, 10% 99%,   5%  97.83%, 0%  95%
    );
    margin-bottom: -6rem; */
    padding-bottom: 10rem;
  }

  /* ─── Stats bottom wave ─── */
  .section--stats {
    clip-path: polygon(
      0% 0%, 100% 0%, 100% 95%,
      95% 97.12%, 90% 98%,   85% 97.12%, 80% 95%,
      75% 92.88%, 70% 92%,   65% 92.88%, 60% 95%,
      55% 97.12%, 50% 98%,   45% 97.12%, 40% 95%,
      35% 92.88%, 30% 92%,   25% 92.88%, 20% 95%,
      15% 97.12%, 10% 98%,   5%  97.12%, 0%  95%
    );
    margin-bottom: -6rem;
    padding-bottom: 10rem;
  }

  /* ─── Articles bottom wave (offset phase) ─── */
  .section--articles {
    /* clip-path: polygon(
      0% 0%, 100% 0%, 100% 97%,
      92% 94%,   83% 91%,   75% 94%,
      67% 97%,   58% 94%,   50% 91%,
      42% 94%,   33% 97%,   25% 94%,
      17% 91%,   8%  94%,   0%  97%
    );
    margin-bottom: -5rem; */
    padding-bottom: 9rem;
  }

  /* ─── Projects bottom wave ─── */
  .section--projects {
    clip-path: polygon(
      0% 0%, 100% 0%, 100% 96%,
      75% 98%,   50% 94%,   25% 98%,   0% 96%
    );
    padding-bottom: 8rem;
  }

  /* ─── Mobile: reduce overlap padding, simpler wave ─── */
  @media (max-width: 640px) {
    .section--hero {
      padding-bottom: 5rem;
      margin-bottom: -3rem;
    }

    .section--stats {
      clip-path: polygon(0% 0%, 100% 1%, 100% 97%, 0% 100%);
      margin-bottom: -3rem;
      padding-bottom: 5rem;
    }

    .section--articles {
      clip-path: none;
      margin-bottom: 0;
      padding-bottom: 5rem;
    }

    .section--projects {
      clip-path: polygon(0% 0%, 100% 1%, 100% 99%, 0% 100%);
      padding-bottom: 4rem;
    }
  }
}
@layer components;

@layer components {
  /* ─── Cipher section ─── */
  .section--cipher {
    background: var(--color-void);
    position: relative;
  }

  /* Cipher grid paint worklet background */
  .section--cipher-hero {
    background-image: paint(cipher-grid);
    --grid-color: oklch(0.78 0.15 196);
    --grid-opacity: 0.06;
    --cell-size: 28px;
    --symbol-density: 0.7;
  }

  /* ─── Cipher timeline ─── */
  .cipher-timeline {
    position: relative;
    max-width: 800px;
    margin-inline: auto;
  }

  /* Vertical connector line */
  .cipher-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(
      in oklch to bottom,
      transparent,
      var(--color-teal),
      var(--color-violet),
      transparent
    );
  }

  /* ─── Cipher entry ─── */
  .cipher-entry {
    position: relative;
    padding-left: var(--space-12);
    padding-bottom: var(--space-12);
    /* Scroll-driven reveal */
    animation: card-reveal linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 30%;
  }

  /* Timeline dot */
  .cipher-entry::before {
    content: '';
    position: absolute;
    left: -4px;
    top: var(--space-3);
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--color-teal);
    box-shadow: 0 0 12px oklch(0.78 0.15 196 / 0.6);
  }

  .cipher-entry__header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
  }

  .cipher-entry__id {
    font-family: var(--font-mono);
    font-size: var(--text-h3);
    font-weight: 700;
    color: var(--color-teal);
    line-height: 1;
    flex-shrink: 0;
  }

  .cipher-entry__name {
    font-family: var(--font-display);
    font-size: var(--text-h3);
    font-weight: 600;
    color: var(--color-text);
    flex: 1;
  }

  /* SOLVED badge using <mark> */
  mark.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-3);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-void);
    background: var(--color-teal);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
  }

  mark.badge--violet {
    background: var(--color-violet);
    color: var(--color-text);
  }

  /* Metadata dl */
  .cipher-entry__meta {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-2) var(--space-6);
    margin-block: var(--space-4);
    font-size: var(--text-small);
  }

  .cipher-entry__meta dt {
    font-family: var(--font-mono);
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
  }

  .cipher-entry__meta dd {
    color: var(--color-text);
  }

  .cipher-entry__description {
    font-size: var(--text-body);
    color: var(--color-text-muted);
    line-height: 1.7;
  }

  .cipher-entry__result {
    margin-top: var(--space-4);
    padding: var(--space-4) var(--space-6);
    border-left: 2px solid var(--color-teal);
    font-family: var(--font-mono);
    font-size: var(--text-mono);
    color: var(--color-teal);
    background: oklch(from var(--color-teal) l c h / 0.05);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }
}
@layer components;

@layer components {
  /* ─── Site footer (dark) ─── */
  .site-footer {
    background: var(--color-void);
    border-top: 1px solid oklch(0.88 0.010 60 / 0.08);
    padding-block: var(--space-16);
  }

  .site-footer > .container {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
  }

  /* Brand */
  .footer__brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }

  .footer__tagline {
    font-family: var(--font-mono);
    font-size: var(--text-small);
    color: oklch(0.42 0.020 248);
  }

  /* Footer nav (on dark bg) */
  .footer__nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .footer__nav a {
    font-size: var(--text-body);
    color: oklch(0.48 0.020 248);
    transition: color var(--transition-fast);
  }

  .footer__nav a:hover {
    color: var(--color-green);
  }

  /* Social links */
  .footer__social ul {
    display: flex;
    gap: var(--space-3);
    align-items: center;
  }

  .footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: oklch(0.42 0.020 248);
    border: 1px solid oklch(0.88 0.010 60 / 0.10);
    border-radius: var(--radius-full);
    transition:
      color var(--transition-fast),
      border-color var(--transition-fast);
  }

  .footer__social a:hover {
    color: var(--color-green);
    border-color: oklch(0.72 0.200 145 / 0.30);
  }

  .footer__social svg {
    width: 16px;
    height: 16px;
  }

  /* Bottom bar */
  .footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding-top: var(--space-8);
    border-top: 1px solid oklch(0.88 0.010 60 / 0.08);
  }

  .footer__contact a {
    font-family: var(--font-mono);
    font-size: var(--text-small);
    color: oklch(0.42 0.020 248);
    transition: color var(--transition-fast);
  }

  .footer__contact a:hover {
    color: var(--color-green);
  }

  .footer__bottom small {
    font-family: var(--font-mono);
    font-size: var(--text-small);
    color: oklch(0.36 0.018 248);
  }

  /* Footer logo on dark bg */
  .site-footer .nav__logo {
    border-right-color: oklch(0.88 0.010 60 / 0.10);
    padding-right: 0;
    margin-right: 0;
    border-right: none;
    color: oklch(0.55 0.025 248);
  }

  @media (max-width: 768px) {
    .footer__bottom {
      flex-direction: column;
      align-items: flex-start;
    }
  }
}
@layer animations;

@layer animations {
  /* Scroll-driven animations replaced by anime.js IntersectionObserver (03-page-animations) */
}
@layer animations;

@layer animations {
  /* ─── Orb drift animations (hero mesh gradient) ─── */

  @keyframes orb-1-drift {
    0%   { --orb-x: 15%; --orb-y: 40%; --orb-hue: 145deg; }
    50%  { --orb-x: 35%; --orb-y: 60%; --orb-hue: 158deg; }
    100% { --orb-x: 15%; --orb-y: 40%; --orb-hue: 145deg; }
  }

  @keyframes orb-2-drift {
    0%   { --orb-2-x: 70%; --orb-2-hue: 48deg; }
    50%  { --orb-2-x: 85%; --orb-2-hue: 38deg; }
    100% { --orb-2-x: 70%; --orb-2-hue: 48deg; }
  }

  /* ─── Text shimmer (hero headline + section titles) ─── */

  @keyframes text-shimmer {
    from { background-position: 0% 50%; }
    to   { background-position: 100% 50%; }
  }

  /* ─── Gradient border spin (card hover) ─── */

  @keyframes border-spin {
    to { --border-angle: 495deg; }
  }

  /* ─── Scroll-driven: card reveal ─── */

  @keyframes card-reveal {
    from {
      opacity: 0;
      clip-path: inset(0 0 100% 0 round 12px);
      transform: translateY(2rem);
    }
    to {
      opacity: 1;
      clip-path: inset(0 0 0% 0 round 12px);
      transform: translateY(0);
    }
  }

  /* ─── Scroll-driven: section heading ─── */

  @keyframes heading-rise {
    from { opacity: 0; transform: translateY(3rem) skewY(2deg); }
    to   { opacity: 1; transform: translateY(0) skewY(0deg); }
  }

  /* ─── Scroll-driven: fade + slide from left ─── */

  @keyframes fade-in-left {
    from { opacity: 0; transform: translateX(-1.5rem); }
    to   { opacity: 1; transform: translateX(0); }
  }

  /* ─── Scroll-driven: stat counter ─── */

  @keyframes count-up {
    from { --count-val: 0; }
    to   { --count-val: var(--count-target, 100); }
  }

  /* ─── Scroll indicator fade ─── */

  @keyframes scroll-fade {
    0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
    50%       { opacity: 0.8; transform: translateX(-50%) translateY(6px); }
  }

  /* ─── Stat item rise ─── */

  @keyframes stat-rise {
    from { opacity: 0; transform: translateY(2rem); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* ─── Page identity title — gradient light sweep ─── */

  @keyframes title-gradient-sweep {
    from { background-position: 0% center; }
    to   { background-position: 100% center; }
  }

  /* ─── Page view transitions ─── */

  @keyframes vt-out {
    to {
      opacity: 0;
      filter: blur(3px) brightness(0.4);
      transform: scale(0.98);
    }
  }

  @keyframes vt-in {
    from {
      opacity: 0;
      filter: blur(3px) brightness(0.4);
      transform: scale(0.98);
    }
  }

  /* ─── About section cipher decode hover effect ─── */

  @keyframes cipher-decode {
    0%   { --decode-progress: 0; }
    100% { --decode-progress: 1; }
  }
}