/* Shared design system for every page of the portfolio.
   Same family as rafonica.com: warm Notion-like canvas, near-black ink, three bright accents
   (lime, pink, lilac) used in small doses, a grotesk sans with an occasional editorial italic. */
:root {
  --paper: #fbfbfa;
  --surface: #ffffff;
  --surface-2: #f4f3f0;
  --ink: #1a1a19;
  --ink-2: #37352f;
  --soft: #504e49;
  --muted: #787774;
  --line: rgba(55, 53, 47, .09);
  --line-2: rgba(55, 53, 47, .18);
  --lime: #eaff77;
  --pink: #ff7792;
  --lilac: #7777ff;
  --accent: #5a5af0;          /* lilac, deepened for text on the light canvas */
  --accent-soft: #ececff;
  --live: #34c759;            /* only means "running right now" */
  --ok: #1d7a43; --ok-soft: #e3f6e9;
  --warn: #8a5a00; --warn-soft: #fff2cc;
  --info: #4848d8; --info-soft: #ececff;
  --bad: #c0335a; --bad-soft: #ffe6ec;
  --grad: linear-gradient(135deg, var(--lilac), var(--pink), var(--lime));
  --grad-bar: linear-gradient(90deg, var(--lilac), var(--lime));
  --shadow: 0 2px 8px rgba(55, 53, 47, .05);
  --shadow-lg: 0 10px 24px -10px rgba(55, 53, 47, .35);
  --radius: 16px;
  --sans: "Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Newsreader", Georgia, serif;
  --mono: "Space Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --on-ink: #ffffff;          /* text on an ink-coloured surface */
  --glass: rgba(251, 251, 250, .82);
  --chip-bg: rgba(255, 255, 255, .8);
  --band: #1a1a19;            /* dark bands (footer, banners) stay dark in both themes */
  color-scheme: light;
}
/* Dark theme: warm charcoal, same three accents. Follows the OS unless the visitor picks one. */
:root[data-theme="dark"] {
  --paper: #141413; --surface: #1c1c1b; --surface-2: #262624; --ink: #f3f2ee; --ink-2: #dcdad3; --soft: #b9b6ae; --muted: #8f8c85;
  --line: rgba(255, 255, 255, .08); --line-2: rgba(255, 255, 255, .16);
  --accent: #a6a6ff; --accent-soft: #24244a;
  --ok: #72dc9b; --ok-soft: #12301f; --warn: #f2c56b; --warn-soft: #33280f; --info: #a6a6ff; --info-soft: #24244a; --bad: #ff8fa6; --bad-soft: #3a1820;
  --shadow: 0 2px 8px rgba(0, 0, 0, .3); --shadow-lg: 0 10px 28px -10px rgba(0, 0, 0, .7);
  --on-ink: #141413; --glass: rgba(20, 20, 19, .8); --chip-bg: rgba(255, 255, 255, .04); --band: #0b0b0a;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #141413; --surface: #1c1c1b; --surface-2: #262624; --ink: #f3f2ee; --ink-2: #dcdad3; --soft: #b9b6ae; --muted: #8f8c85;
    --line: rgba(255, 255, 255, .08); --line-2: rgba(255, 255, 255, .16);
    --accent: #a6a6ff; --accent-soft: #24244a;
    --ok: #72dc9b; --ok-soft: #12301f; --warn: #f2c56b; --warn-soft: #33280f; --info: #a6a6ff; --info-soft: #24244a; --bad: #ff8fa6; --bad-soft: #3a1820;
    --shadow: 0 2px 8px rgba(0, 0, 0, .3); --shadow-lg: 0 10px 28px -10px rgba(0, 0, 0, .7);
    --on-ink: #141413; --glass: rgba(20, 20, 19, .8); --chip-bg: rgba(255, 255, 255, .04); --band: #0b0b0a;
    color-scheme: dark;
  }
}

@keyframes drift { 0% { transform: translate(0, 0) scale(1); } 33% { transform: translate(3%, -4%) scale(1.06); } 66% { transform: translate(-3%, 3%) scale(.97); } 100% { transform: translate(0, 0) scale(1); } }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; }
[id] { scroll-margin-top: 76px; }
body { margin: 0; background: var(--paper); color: var(--ink-2); font: 16px/1.6 var(--sans); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
::selection { background: var(--lime); color: var(--ink); }
a { color: inherit; text-decoration-color: var(--pink); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--ink); text-decoration-color: var(--lilac); }
img, svg { max-width: 100%; }
code, kbd, .mono { font-family: var(--mono); font-size: .86em; }
:focus-visible { outline: 2px solid var(--lilac); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 30px; } }

/* top bar: frosted glass over the warm canvas */
.topbar { border-bottom: 1px solid var(--line); background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 50; }
.topbar .wrap { display: flex; align-items: center; gap: 16px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; letter-spacing: -.02em; color: var(--ink); text-decoration: none; }
.brand::before { content: ""; width: 26px; height: 26px; border-radius: 8px; background: var(--grad); box-shadow: inset 0 0 0 1px rgba(26, 26, 25, .08); }
.brand span { display: none; }
.topbar nav { margin-left: auto; display: flex; gap: 2px; align-items: center; }
.topbar nav a { font-size: 14.5px; font-weight: 500; text-decoration: none; color: var(--ink-2); padding: 7px 11px; border-radius: 10px; }
.topbar nav a:hover { background: var(--surface-2); color: var(--ink); }
.theme-toggle { margin-left: 4px; width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--surface); color: var(--ink); cursor: pointer; display: inline-grid; place-items: center; font-size: 16px; transition: border-color .2s, transform .2s; }
.theme-toggle:hover { border-color: var(--ink); transform: rotate(-12deg); }
@media (max-width: 560px) { .topbar nav a.hide-sm { display: none; } }

/* type */
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 700 11.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--soft); }
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 999px; background: var(--lime); box-shadow: 0 0 0 1px rgba(26, 26, 25, .15); flex: none; }
h1, h2, h3 { color: var(--ink); margin: 0; }
h1 { font-weight: 700; font-size: clamp(38px, 6.4vw, 66px); line-height: 1.02; letter-spacing: -.032em; }
h2 { font-weight: 700; font-size: clamp(28px, 4.2vw, 42px); line-height: 1.08; letter-spacing: -.025em; }
h3 { font-size: 18px; font-weight: 700; line-height: 1.25; letter-spacing: -.01em; }
h1 em, h2 em, .it { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -.01em; }
.hl { white-space: nowrap; padding: 0 .04em; background-image: linear-gradient(101deg, rgba(234, 255, 119, 0) 1%, var(--lime) 2%, var(--lime) 98%, rgba(234, 255, 119, 0) 99%); background-repeat: no-repeat; background-size: 100% 42%; background-position: 0 82%; }
/* Dark theme: light text on a lime band is unreadable, so the word itself turns lime and the
   marker becomes a thin pen stroke underneath. Same brand gesture, legible on charcoal. */
:root[data-theme="dark"] .hl { color: var(--lime); background-size: 100% 9%; background-position: 0 96%; background-image: linear-gradient(101deg, rgba(234, 255, 119, 0) 1%, rgba(234, 255, 119, .55) 2%, rgba(234, 255, 119, .55) 98%, rgba(234, 255, 119, 0) 99%); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .hl { color: var(--lime); background-size: 100% 9%; background-position: 0 96%; background-image: linear-gradient(101deg, rgba(234, 255, 119, 0) 1%, rgba(234, 255, 119, .55) 2%, rgba(234, 255, 119, .55) 98%, rgba(234, 255, 119, 0) 99%); } }
.lead { font-size: clamp(17px, 2vw, 19.5px); line-height: 1.55; color: var(--soft); max-width: 34em; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
section { padding: 64px 0; }
section + section { border-top: 1px solid var(--line); }

/* hero: drifting colour blobs behind the text, like rafonica.com */
.hero { position: relative; isolation: isolate; animation: rise .7s ease both; }
.hero::before, .hero::after { content: ""; position: absolute; z-index: -1; border-radius: 50%; pointer-events: none; }
.hero::before { width: 560px; height: 560px; top: -260px; right: -160px; background: radial-gradient(circle, rgba(119, 119, 255, .26), rgba(119, 119, 255, 0) 68%); animation: drift 18s ease-in-out infinite; }
.hero::after { width: 460px; height: 460px; top: 20px; right: 160px; background: radial-gradient(circle, rgba(255, 119, 146, .2), rgba(255, 119, 146, 0) 66%), radial-gradient(circle at 10% 90%, rgba(234, 255, 119, .35), rgba(234, 255, 119, 0) 45%); animation: drift 22s ease-in-out infinite reverse; }

/* building blocks */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.pad { padding: 20px; }
@media (min-width: 720px) { .pad { padding: 28px; } }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 760px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.chip { display: inline-flex; align-items: center; gap: 6px; font: 400 11.5px/1 var(--mono); padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line-2); background: var(--chip-bg); color: var(--ink-2); white-space: nowrap; }
.chip.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.chip.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.chip.info { background: var(--info-soft); color: var(--info); border-color: transparent; }
.chip.bad { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
.chip.accent { background: var(--lime); color: #1a1a19; border-color: transparent; }
.chip.live::before { content: ""; width: 7px; height: 7px; border-radius: 999px; background: var(--live); animation: blink 1.6s ease-in-out infinite; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; font: 600 15px/1 var(--sans); padding: 13px 20px; border-radius: 12px; border: 1px solid var(--ink); background: var(--ink); color: var(--on-ink); cursor: pointer; text-decoration: none; box-shadow: 0 6px 18px rgba(26, 26, 25, .22); transition: background .2s, transform .2s, border-color .2s; }
.btn:hover { background: var(--ink-2); color: var(--on-ink); transform: translateY(-1px); }
.btn.ghost { background: var(--surface); color: var(--ink); border-color: var(--line-2); box-shadow: var(--shadow); }
.btn.ghost:hover { border-color: var(--ink); color: var(--ink); background: var(--surface); }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.stat { font-weight: 800; font-size: clamp(32px, 4.6vw, 48px); line-height: 1; letter-spacing: -.035em; color: var(--ink); }
.stat-label { font-size: 13.5px; color: var(--muted); margin-top: 8px; }
input, select { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line-2); border-radius: 10px; padding: 9px 11px; min-width: 0; }
label { font-size: 13px; color: var(--muted); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th { text-align: left; font: 700 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 10px 8px; border-bottom: 1px solid var(--line-2); }
td { padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
pre { background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 14px; overflow-x: auto; font: 12.5px/1.55 var(--mono); color: var(--ink-2); }

/* phases (case studies) */
.phases { display: grid; gap: 14px; counter-reset: phase; }
@media (min-width: 860px) { .phases { grid-template-columns: repeat(3, 1fr); } }
.phase { position: relative; padding: 24px; }
.phase::before { counter-increment: phase; content: "0" counter(phase); display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--grad); color: #1a1a19; font: 700 12px var(--mono); }
.phase h3 { margin: 12px 0 8px; }
.phase .result { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line-2); font-size: 14px; }

/* footer: dark ink band */
.footer { padding: 44px 0 56px; background: var(--band); color: rgba(255, 255, 255, .7); font-size: 14px; }
.footer a { color: #fff; text-decoration-color: var(--lime); }
.footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }

/* grid children must be allowed to shrink, or wide <pre>/tables push the page sideways on phones */
.grid > *, .phases > *, .xml-grid > *, .sim > *, .chart-row > *, .projects > * { min-width: 0; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }