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

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  body { margin: 0; }
  h1, h2, h3, h4, p { margin: 0; }
  ul, ol { margin: 0; padding: 0; }
  a { color: inherit; }
}

@layer tokens {
  :root {
    --color-primary: #2563eb;
    --color-primary-strong: #1d4ed8;
    --color-accent: #7c3aed;
    --color-surface: #0f172a;
    --color-bg: #0b1020;
    --color-panel: #11172b;
    --color-soft: #162038;
    --color-border: #26334d;
    --color-text: #e2e8f0;
    --color-muted: #9aa6c6;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-info: #38bdf8;
    --color-neutral: #cbd5e1;
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.25);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.2);
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-7: 28px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --font-sans: "Inter", system-ui, -apple-system, sans-serif;
    --font-mono: "JetBrains Mono", SFMono-Regular, Consolas, monospace;
    --text-xs: 12px;
    --text-sm: 14px;
    --text-md: 16px;
    --text-lg: 20px;
    --text-xl: 24px;
    --text-2xl: 32px;
    --text-3xl: 40px;
    --max-width: 1120px;
    --grid-gap: 24px;
  }
}

@layer base {
  body {
    font-family: var(--font-sans);
    background: radial-gradient(circle at 20% 20%, rgba(124,58,237,0.12), transparent 35%),
                radial-gradient(circle at 80% 0%, rgba(37,99,235,0.1), transparent 40%),
                var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; font-weight: 600; }
}

@layer utilities {
  .shell { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-6); }
  .section { padding: var(--space-16) 0; }
  .section--band { background: var(--color-panel); }
  .section__header { margin-bottom: var(--space-8); max-width: 720px; }
  .section__lead { color: var(--color-muted); }
  .grid { display: grid; gap: var(--grid-gap); }
  .grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
  .grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
  .list { list-style: none; display: grid; gap: var(--space-2); color: var(--color-muted); }
  .list--inline { display: flex; flex-wrap: wrap; gap: var(--space-3); }
  .list--ordered { list-style: decimal inside; color: var(--color-muted); gap: var(--space-3); }
  .eyebrow { letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-info); font-size: var(--text-xs); }
  .lead { color: var(--color-muted); font-size: var(--text-lg); max-width: 58ch; }
  .muted { color: var(--color-muted); }
  .actions { display: flex; gap: var(--space-3); flex-wrap: wrap; padding-top: var(--space-4); }
  .pill-group { display: flex; gap: var(--space-2); flex-wrap: wrap; }
  .stat-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-3); }
  .stat { display: flex; gap: var(--space-2); align-items: baseline; }
  .stat__value { font-size: var(--text-2xl); font-weight: 700; }
  .stat__label { color: var(--color-muted); }
  .skip-link { position: absolute; left: -999px; top: 0; background: var(--color-primary); color: white; padding: var(--space-3); border-radius: var(--radius-sm); z-index: 10; }
  .skip-link:focus { left: var(--space-3); }
  .code-inline { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 0.95em; background: rgba(255,255,255,0.06); color: var(--color-neutral); border-radius: var(--radius-sm); padding: 2px 4px; line-height: 1.5; }
}

@layer components {
  .site-header { position: relative; padding: var(--space-5) 0 var(--space-12); border-bottom: 1px solid var(--color-border); }
  .site-header .shell { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; justify-content: space-between; }
  .brand { display: flex; align-items: center; gap: var(--space-3); }
  .brand__mark { width: 40px; height: 40px; border-radius: 12px; background: var(--color-panel) center/contain no-repeat url('../assets/logo.png'); box-shadow: var(--shadow-sm); }
  .brand__text { display: grid; line-height: 1.3; }
  .brand__title { font-weight: 700; }
  .brand__subtitle { color: var(--color-muted); font-size: var(--text-sm); }
  .brand--small .brand__mark { width: 32px; height: 32px; }
  .nav-toggle { display: none; background: var(--color-panel); border: 1px solid var(--color-border); padding: var(--space-3); border-radius: var(--radius-sm); color: var(--color-text); }
  .nav-toggle__bar { display: block; width: 20px; height: 2px; background: var(--color-text); margin: 3px 0; }
  .nav-toggle__label { font-size: var(--text-xs); color: var(--color-muted); display: block; text-align: center; }
  .site-nav { display: flex; align-items: center; gap: var(--space-2); }
  .nav-list { display: flex; gap: var(--space-4); list-style: none; align-items: center; }
  .nav-list a { padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); }
  .nav-list a:focus-visible, .nav-list a:hover { background: rgba(255,255,255,0.08); outline: 2px solid transparent; }
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: var(--radius-md); font-weight: 700; border: 1px solid transparent; transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease; cursor: pointer; }
  .btn--primary { background: var(--color-primary); color: white; box-shadow: var(--shadow-sm); }
  .btn--primary:hover, .btn--primary:focus-visible { background: var(--color-primary-strong); transform: translateY(-1px); }
  .btn--ghost { background: transparent; border-color: var(--color-border); color: var(--color-text); }
  .btn--ghost:hover, .btn--ghost:focus-visible { border-color: var(--color-primary); color: var(--color-primary); }
  .btn--small { padding: 8px 12px; font-size: var(--text-sm); }
  .hero { margin-top: var(--space-8); }
  .hero__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--space-8); align-items: center; }
  .hero__panel { width: 100%; max-width: 420px; justify-self: end; }
  .hero__badges { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-3); }
  .hero__visual { display: grid; place-items: center; }
  .hero__logo { max-width: 320px; width: 100%; height: auto; filter: drop-shadow(0 12px 30px rgba(0,0,0,0.35)); }
  .card { background: var(--color-soft); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-sm); display: grid; gap: var(--space-4); }
  .card--accent { background: linear-gradient(180deg, rgba(37,99,235,0.2), rgba(12,18,36,0.8)); border-color: rgba(37,99,235,0.4); }
  .card--soft { background: var(--color-panel); }
  .card--media { padding: 0; overflow: hidden; }
  .card__media { background: var(--color-panel); background-size: cover; background-position: center; background-repeat: no-repeat; min-height: 160px; position: relative; display: grid; place-items: start; padding: var(--space-4); overflow: hidden; }
  .card__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.55)); pointer-events: none; }
  .card__media > * { position: relative; z-index: 1; }
  .card__body { padding: var(--space-6); display: grid; gap: var(--space-3); }
  .card__footer { padding: 0 var(--space-6) var(--space-6); display: flex; gap: var(--space-3); flex-wrap: wrap; }
  .badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: var(--radius-md); font-size: var(--text-sm); font-weight: 700; border: 1px solid transparent; }
  .badge--success { background: rgba(34,197,94,0.15); color: #86efac; border-color: rgba(34,197,94,0.35); }
  .badge--warning { background: rgba(245,158,11,0.15); color: #fcd34d; border-color: rgba(245,158,11,0.35); }
  .badge--info { background: rgba(56,189,248,0.15); color: #bae6fd; border-color: rgba(56,189,248,0.35); }
  .badge--neutral { background: rgba(203,213,225,0.12); color: var(--color-neutral); border-color: rgba(203,213,225,0.3); }
  .info { background: rgba(56,189,248,0.08); border: 1px solid rgba(56,189,248,0.3); padding: var(--space-4); border-radius: var(--radius-md); color: var(--color-text); }
  .info--highlight { background: rgba(37,99,235,0.12); border-color: rgba(37,99,235,0.35); }
  .info--panel { background: var(--color-panel); border-color: var(--color-border); padding: var(--space-6); display: grid; gap: var(--space-4); }
  .pill { display: inline-flex; align-items: center; padding: 6px 10px; border-radius: 999px; font-size: var(--text-sm); border: 1px solid rgba(255,255,255,0.12); }
  .pill--dark { background: rgba(0,0,0,0.35); }
  .pill--light { background: rgba(255,255,255,0.06); color: var(--color-neutral); }
  .portfolio-grid .card__media { position: relative; }
  .review { gap: var(--space-3); }
  .review__head { display: flex; justify-content: space-between; align-items: center; }
  .review__meta { color: var(--color-muted); font-size: var(--text-sm); }
  .review__author { color: var(--color-neutral); font-weight: 700; }
  .site-footer { background: #080c18; padding: var(--space-10) 0 var(--space-12); border-top: 1px solid var(--color-border); }
  .footer__grid { display: grid; gap: var(--space-6); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); align-items: start; }
  .disclaimer { background: linear-gradient(90deg, rgba(245,158,11,0.15), rgba(248,113,113,0.15)); color: #fff7ed; padding: var(--space-8) 0; }
  .disclaimer__title { font-size: var(--text-lg); font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; }
  .disclaimer__text { font-size: var(--text-md); max-width: 78ch; }
  .portfolio-dialog { position: fixed; inset: 0; display: grid; place-items: center; padding: var(--space-6); pointer-events: none; opacity: 0; transition: opacity 180ms ease; z-index: 100; }
  .portfolio-dialog:target { opacity: 1; pointer-events: auto; }
  .portfolio-dialog__backdrop { position: absolute; inset: 0; background: rgba(4,6,14,0.75); backdrop-filter: blur(4px); opacity: 0; transition: opacity 200ms ease; display: block; }
  .portfolio-dialog:target .portfolio-dialog__backdrop { opacity: 1; }
  .portfolio-dialog__panel { width: min(920px, 90vw); background: var(--color-panel); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); transform: scale(0.94); opacity: 0; transition: transform 220ms ease, opacity 220ms ease; display: grid; grid-template-columns: 1fr; }
  .portfolio-dialog:target .portfolio-dialog__panel { transform: scale(1); opacity: 1; }
  .portfolio-dialog__media { background-size: cover; background-position: center; background-repeat: no-repeat; min-height: 220px; position: relative; }
  .portfolio-dialog__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.25), rgba(0,0,0,0.65)); }
  .portfolio-dialog__body { padding: var(--space-6); display: grid; gap: var(--space-4); position: relative; }
  .portfolio-dialog__meta { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); }
  .portfolio-dialog__title { font-size: var(--text-2xl); }
  .portfolio-dialog__lead { color: var(--color-muted); font-size: var(--text-lg); }
  .portfolio-dialog__tags { display: flex; gap: var(--space-2); flex-wrap: wrap; }
  .dialog__close { border: none; background: rgba(255,255,255,0.06); color: var(--color-text); width: 36px; height: 36px; border-radius: 50%; font-size: var(--text-lg); cursor: pointer; display: grid; place-items: center; text-decoration: none; }
  .dialog__close:hover, .dialog__close:focus-visible { background: rgba(255,255,255,0.12); }
  @media (min-width: 720px) {
    .portfolio-dialog__panel { grid-template-columns: 1.1fr 1fr; }
    .portfolio-dialog__media { min-height: 100%; height: 100%; }
  }
}

@layer layout {
  @media (max-width: 768px) {
    .site-header .shell { align-items: flex-start; }
    .nav-toggle { display: inline-flex; flex-direction: column; align-items: center; }
    .site-nav { position: absolute; top: 30%; right: var(--space-6); background: var(--color-panel); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-4); box-shadow: var(--shadow-lg); display: none; min-width: 240px; flex-direction: column; align-items: flex-start; gap: var(--space-3); }
    .site-nav.is-open { display: flex; }
    .nav-list { flex-direction: column; align-items: flex-start; gap: var(--space-2); width: 100%; }
    .nav-list a { width: 100%; }
    .hero__logo { display: none; }
  }
  @media (min-width: 900px) {
    .hero__content h1 { font-size: var(--text-3xl); }
  }
  @media (max-width: 947px) {
    .hero__logo { display: none; }
  }
}