/* Avangarde design tokens v1. Custom properties only; every component reads from here. */
@font-face{font-family:'Newsreader';font-style:normal;font-display:swap;font-weight:200 800;src:url(/fonts/newsreader-latin-ext-opsz-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Newsreader';font-style:normal;font-display:swap;font-weight:200 800;src:url(/fonts/newsreader-latin-opsz-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Schibsted Grotesk';font-style:normal;font-display:swap;font-weight:400 900;src:url(/fonts/schibsted-grotesk-latin-ext-wght-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Schibsted Grotesk';font-style:normal;font-display:swap;font-weight:400 900;src:url(/fonts/schibsted-grotesk-latin-wght-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/ibm-plex-mono-latin-ext-400-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-display:swap;font-weight:500;src:url(/fonts/ibm-plex-mono-latin-ext-500-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-display:swap;font-weight:500;src:url(/fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}6..72,500&family=Schibsted+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');
@view-transition { navigation: auto; }

:root {
  /* Palette: primitives */
  --c-navy-950: #00142B;
  --c-navy-900: #001F3F;
  --c-navy-800: #062A52;
  --c-navy-700: #003366;
  --c-navy-500: #2E5A92;
  --c-navy-400: #4F7CB8;
  --c-navy-300: #8FAED6;
  --c-navy-100: #C9D6E8;
  --c-mist-100: #E8EEF6;
  --c-mist-50: #F4F7FB;
  --c-white: #FFFFFF;
  --c-ink-900: #0E2340;
  --c-ink-600: #45576F;
  --c-line-200: #DCE4EF;
  --c-line-300: #B9C7D9;
  --c-signal-600: #1D5BFF;
  --c-signal-700: #0F45D6;
  --c-signal-100: #E3EBFF;
  --c-signal-300: #8CADFF;
  --c-green-600: #137A4B;
  --c-green-300: #6FD6A3;
  --c-red-600: #B42318;
  --c-red-300: #FF9C8F;
  --c-amber-600: #8F5B00;
  --c-amber-300: #F2C46D;

  /* Semantic: light theme (default) */
  --surface: var(--c-white);
  --surface-raised: var(--c-white);
  --surface-sunken: var(--c-mist-50);
  --surface-tint: var(--c-mist-100);
  --ink: var(--c-ink-900);
  --ink-heading: var(--c-navy-700);
  --ink-muted: var(--c-ink-600);
  --line: var(--c-line-200);
  --line-strong: var(--c-line-300);
  --rule: var(--c-navy-700);
  --accent: var(--c-signal-600);
  --accent-hover: var(--c-signal-700);
  --accent-soft: var(--c-signal-100);
  --on-accent: var(--c-white);
  --btn-primary: var(--c-navy-700);
  --btn-primary-ink: var(--c-white);
  --success: var(--c-green-600);
  --error: var(--c-red-600);
  --warning: var(--c-amber-600);
  --grid-minor: rgba(0, 51, 102, 0.045);
  --grid-major: rgba(0, 51, 102, 0.08);

  /* Code + diagram (always dark) */
  --code-bg: var(--c-navy-950);
  --code-panel: var(--c-navy-900);
  --code-line: rgba(143, 174, 214, 0.18);
  --code-ink: var(--c-mist-100);
  --code-key: var(--c-signal-300);
  --code-string: #D9E4F4;
  --code-literal: var(--c-amber-300);
  --code-punct: var(--c-navy-300);
  --code-gutter: var(--c-navy-400);
  --dg-bg: var(--c-navy-900);
  --dg-node: var(--c-navy-800);
  --dg-stroke: var(--c-navy-500);
  --dg-ink: var(--c-white);
  --dg-muted: var(--c-navy-300);
  --dg-accent: var(--c-signal-300);
  --dg-band: rgba(140, 173, 255, 0.07);
  --dg-band-active: rgba(140, 173, 255, 0.2);
  --dg-ok: var(--c-green-300);

  /* Type */
  --font-display: 'Newsreader', 'Iowan Old Style', Georgia, serif;
  --font-sans: 'Schibsted Grotesk', 'Helvetica Neue', Helvetica, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --fs-display-xl: clamp(2.75rem, 1.6rem + 4.6vw, 6rem);
  --fs-display-l: clamp(2.375rem, 1.6rem + 3vw, 4.5rem);
  --fs-display-m: clamp(2rem, 1.55rem + 1.9vw, 3.25rem);
  --fs-display-s: clamp(1.625rem, 1.4rem + 0.9vw, 2.25rem);
  --fs-h3: clamp(1.375rem, 1.25rem + 0.5vw, 1.625rem);
  --fs-h4: 1.25rem;
  --fs-lead: clamp(1.1875rem, 1.1rem + 0.35vw, 1.375rem);
  --fs-body: 1.125rem;
  --fs-body-s: 1.0625rem;
  --fs-ui: 1rem;
  --fs-caption: 0.875rem;
  --fs-code: 0.875rem;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --lh-display: 1.03;
  --lh-heading: 1.12;
  --lh-snug: 1.35;
  --lh-body: 1.62;
  --lh-code: 1.7;
  --tr-display: -0.03em;
  --tr-heading: -0.02em;
  --tr-ui: -0.006em;
  --measure: 36em;
  --measure-wide: 46em;

  /* Space (4px base) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 128px;
  --section-y: clamp(80px, 48px + 6vw, 144px);
  --gutter: clamp(20px, 4vw, 40px);
  --container: 1280px;
  --header-h: 76px;
  --header-h-compact: 60px;
  --touch: 44px;

  /* Radii */
  --r-xs: 2px;
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 14px;
  --r-pill: 999px;

  /* Elevation */
  --sh-1: 0 1px 2px rgba(0, 31, 63, 0.06);
  --sh-2: 0 2px 6px rgba(0, 31, 63, 0.06), 0 8px 24px rgba(0, 31, 63, 0.06);
  --sh-lift: 0 4px 10px rgba(0, 31, 63, 0.06), 0 18px 40px rgba(0, 31, 63, 0.12);
  --sh-code: 0 24px 60px rgba(0, 20, 43, 0.35);
  --focus-ring: 0 0 0 2px var(--surface), 0 0 0 4px var(--accent);

  /* Motion */
  --dur-instant: 120ms;
  --dur-fast: 200ms;
  --dur-base: 320ms;
  --dur-slow: 560ms;
  --dur-reveal: 700ms;
  --dur-story: 10s;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.36, 0.64, 1);

  /* Icons */
  --icon-arrow-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M1 8h12M9 4l4 4-4 4' fill='none' stroke='white' stroke-width='1.6'/%3E%3C/svg%3E");
  --icon-arrow-navy: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M1 8h12M9 4l4 4-4 4' fill='none' stroke='%23003366' stroke-width='1.6'/%3E%3C/svg%3E");
  --icon-arrow-accent: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M1 8h12M9 4l4 4-4 4' fill='none' stroke='%231D5BFF' stroke-width='1.6'/%3E%3C/svg%3E");
  --icon-arrow: var(--icon-arrow-light);
  --icon-arrow-link: var(--icon-arrow-accent);

  /* Blueprint motif */
  --blueprint:
    linear-gradient(var(--grid-major) 1px, transparent 1px) 0 0 / 120px 120px,
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px) 0 0 / 120px 120px,
    linear-gradient(var(--grid-minor) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px) 0 0 / 24px 24px;
}

[data-theme="dark"] {
  --surface: var(--c-navy-900);
  --surface-raised: var(--c-navy-800);
  --surface-sunken: var(--c-navy-950);
  --surface-tint: var(--c-navy-800);
  --ink: var(--c-mist-100);
  --ink-heading: var(--c-white);
  --ink-muted: var(--c-navy-100);
  --line: rgba(143, 174, 214, 0.22);
  --line-strong: var(--c-navy-500);
  --rule: var(--c-navy-300);
  --accent: var(--c-signal-300);
  --accent-hover: var(--c-white);
  --accent-soft: rgba(140, 173, 255, 0.14);
  --on-accent: var(--c-navy-950);
  --btn-primary: var(--c-white);
  --btn-primary-ink: var(--c-navy-700);
  --success: var(--c-green-300);
  --error: var(--c-red-300);
  --warning: var(--c-amber-300);
  --grid-minor: rgba(143, 174, 214, 0.05);
  --grid-major: rgba(143, 174, 214, 0.1);
  --focus-ring: 0 0 0 2px var(--surface), 0 0 0 4px var(--accent);
  --icon-arrow: var(--icon-arrow-navy);
  --icon-arrow-link: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M1 8h12M9 4l4 4-4 4' fill='none' stroke='%238CADFF' stroke-width='1.6'/%3E%3C/svg%3E");
}

[data-theme="navy"] {
  --icon-arrow: var(--icon-arrow-navy);
  --icon-arrow-link: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M1 8h12M9 4l4 4-4 4' fill='none' stroke='%238CADFF' stroke-width='1.6'/%3E%3C/svg%3E");
  --surface: var(--c-navy-700);
  --surface-raised: var(--c-navy-800);
  --ink: var(--c-white);
  --ink-heading: var(--c-white);
  --ink-muted: var(--c-navy-100);
  --line: rgba(201, 214, 232, 0.24);
  --line-strong: var(--c-navy-400);
  --rule: var(--c-navy-100);
  --accent: var(--c-signal-300);
  --accent-hover: var(--c-white);
  --on-accent: var(--c-navy-950);
  --btn-primary: var(--c-white);
  --btn-primary-ink: var(--c-navy-700);
  --success: var(--c-green-300);
  --grid-minor: rgba(201, 214, 232, 0.05);
  --grid-major: rgba(201, 214, 232, 0.1);
}

[data-theme="mist"] {
  --surface: var(--c-mist-100);
  --surface-raised: var(--c-white);
  --surface-sunken: var(--c-mist-50);
}

/* Resets */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--surface); color: var(--ink); font-family: var(--font-sans); font-size: var(--fs-body); line-height: var(--lh-body); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: var(--c-signal-100); color: var(--c-navy-900); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
  @view-transition { navigation: none; }
}