/* Niklaas Dumroese — personal site
   Own design system. See design-system/MASTER.md */
@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap');

/* ---------- tokens ---------- */
:root {
  --paper: #F4F1EA;
  --paper-2: #ECE8DE;
  --ink: #111110;
  --ink-60: #5B5952;
  --ink-20: #C9C4B8;
  --accent: #F5451E;
  --accent-2: #2438FF;
  --on-accent: #FFFFFF;

  --grotesque: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Space Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --container: 1200px;
  --gutter: clamp(20px, 5vw, 64px);

  --z-nav: 50;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--grotesque);
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
::selection { background: var(--accent); color: var(--on-accent); }

/* ---------- layout ---------- */
.wrap { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(72px, 12vw, 160px); }
.rule { height: 1px; background: var(--ink-20); border: 0; }

/* ---------- type ---------- */
.kicker {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-60);
  display: inline-flex;
  gap: 0.6em;
  align-items: baseline;
}
.kicker .idx { color: var(--accent); }

h1, h2, h3 { font-weight: 700; letter-spacing: -0.035em; line-height: 1.02; }
.display {
  font-size: clamp(2.8rem, 8.5vw, 6.4rem);
  letter-spacing: -0.045em;
  line-height: 0.98;
}
h2.big { font-size: clamp(2rem, 5vw, 3.6rem); letter-spacing: -0.04em; line-height: 1.0; }
h3 { font-size: clamp(1.25rem, 2.4vw, 1.75rem); letter-spacing: -0.02em; }
.lead {
  font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  line-height: 1.4;
  max-width: 30ch;
  letter-spacing: -0.01em;
}
p { max-width: 68ch; }
.muted { color: var(--ink-60); }
.accent { color: var(--accent); }

/* ---------- links ---------- */
a { color: inherit; text-decoration: none; }
.link {
  color: var(--ink);
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 2px;
  transition: background-size .22s ease, color .22s ease;
  padding-bottom: 2px;
}
.link:hover, .link:focus-visible { color: var(--accent); background-size: 100% 2px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 1px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  min-height: 48px; padding: 0 1.25rem;
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.04em;
  text-transform: uppercase; cursor: pointer;
  border: 1px solid var(--ink); background: var(--ink); color: var(--paper);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover, .btn:focus-visible { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover, .btn--ghost:focus-visible { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: var(--z-nav);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--ink-20);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 700; letter-spacing: -0.03em; font-size: 1.05rem; }
.brand .dot { color: var(--accent); }
.nav__links { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 34px); }
.nav__links a { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-60); transition: color .2s ease; }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--ink); }
.nav__links a.is-cta { color: var(--ink); border: 1px solid var(--ink); padding: 8px 12px; }
.nav__links a.is-cta:hover { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.nav__toggle { display: none; }

/* ---------- hero ---------- */
.hero { padding-top: clamp(48px, 8vw, 96px); padding-bottom: clamp(48px, 8vw, 96px); }
.hero .display { max-width: 16ch; margin-top: 1.2rem; }
.hero--tall { min-height: calc(100svh - 64px); padding-bottom: clamp(48px, 8vh, 96px); }
.hero__row { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(24px, 5vw, 72px); align-items: end; margin-top: clamp(28px, 5vw, 56px); }
.now { border-top: 2px solid var(--ink); padding-top: 16px; }
.now .kicker { margin-bottom: 14px; }
.now__role { font-weight: 700; font-size: clamp(1.15rem, 2vw, 1.5rem); letter-spacing: -0.03em; line-height: 1.08; }
.now__list { list-style: none; margin-top: 18px; display: grid; gap: 0; }
.now__list li { color: var(--ink-60); font-size: 0.96rem; padding-block: 10px; border-top: 1px solid var(--ink-20); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: clamp(28px, 4vw, 40px); align-items: center; }
.hero__avail { font-family: var(--mono); font-size: 12.5px; color: var(--ink-60); display: inline-flex; align-items: center; gap: 8px; }
.hero__avail::before { content:""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }

/* ---------- work index (list, never bento) ---------- */
.index { border-top: 1px solid var(--ink-20); }
.row {
  display: grid; grid-template-columns: auto 1fr auto; gap: clamp(16px, 4vw, 48px);
  align-items: baseline; padding-block: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--ink-20);
  transition: padding-left .25s ease, color .25s ease;
}
a.row:hover { padding-left: 12px; }
a.row:hover .row__title { color: var(--accent); }
.row__num { font-family: var(--mono); color: var(--ink-60); font-size: 13px; }
.row__title { display: block; font-weight: 700; font-size: clamp(1.3rem, 3.4vw, 2.1rem); letter-spacing: -0.03em; line-height: 1.05; }
.row__meta { font-family: var(--mono); font-size: 12px; color: var(--ink-60); text-transform: uppercase; letter-spacing: 0.05em; }
.row__tags { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 8px; }
.row__desc { display: block; color: var(--ink-60); font-size: 0.96rem; line-height: 1.4; margin-top: 8px; max-width: 62ch; }
a.row:hover .row__desc { color: var(--ink); }
.tag { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-60); border: 1px solid var(--ink-20); padding: 3px 8px; }
.tag--flag { color: var(--accent); border-color: var(--accent); }
.row__side { text-align: right; }
.row__year { font-family: var(--mono); font-size: 13px; color: var(--ink-60); display: block; }
.row__go { font-family: var(--mono); font-size: 12px; color: var(--ink); opacity: 0; transition: opacity .2s ease; }
a.row:hover .row__go { opacity: 1; color: var(--accent); }

/* ---------- capabilities ---------- */
.caps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 4vw, 48px); }
.cap h3 { margin-bottom: 10px; min-height: 2.1em; }
.cap p { color: var(--ink-60); font-size: 0.98rem; }
.cap .kicker { margin-bottom: 16px; }

/* ---------- stack marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--ink-20); padding-block: 18px; }
.marquee__track { display: flex; gap: 48px; width: max-content; animation: slide 34s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee span { font-family: var(--mono); font-size: 14px; letter-spacing: 0.04em; color: var(--ink-60); text-transform: uppercase; white-space: nowrap; }
.marquee span b { color: var(--ink); font-weight: 700; }
@keyframes slide { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ---------- case study (work page) ---------- */
.case { padding-block: clamp(56px, 8vw, 110px); border-bottom: 1px solid var(--ink-20); }
.case__head { display: grid; grid-template-columns: 1fr; gap: 18px; }
.case h2 { max-width: 20ch; }
.case__grid { display: grid; grid-template-columns: 240px 1fr; gap: clamp(28px, 5vw, 72px); margin-top: clamp(28px, 4vw, 44px); align-items: start; }
.meta { border-top: 2px solid var(--ink); padding-top: 16px; position: sticky; top: 88px; }
.meta dl { display: grid; grid-template-columns: 1fr; gap: 14px; }
.meta dt { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-60); margin-bottom: 3px; }
.meta dd { font-size: 0.98rem; line-height: 1.3; }
.case__body h3 { margin: 28px 0 10px; }
.case__body h3:first-child { margin-top: 0; }
.case__body p { color: var(--ink); margin-bottom: 12px; }
.case__body p.muted { color: var(--ink-60); }
.case__body ul { list-style: none; margin: 10px 0 4px; padding: 0; max-width: 68ch; }
.case__body li { padding-left: 22px; position: relative; margin-bottom: 8px; color: var(--ink); }
.case__body li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); }
.stat-strip { display: flex; flex-wrap: wrap; gap: clamp(20px, 4vw, 48px); margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--ink-20); }
.stat .n { font-weight: 700; font-size: clamp(1.6rem, 3.5vw, 2.4rem); letter-spacing: -0.03em; display: block; white-space: nowrap; }
.stat .l { font-family: var(--mono); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-60); }

/* ---------- about / prose ---------- */
.prose p { font-size: 1.12rem; line-height: 1.6; margin-bottom: 1.1rem; }
.prose p .link { font-weight: 700; }
.timeline { border-top: 1px solid var(--ink-20); }
.tl-row { display: grid; grid-template-columns: 180px 1fr; gap: clamp(16px, 4vw, 40px); padding-block: 26px; border-bottom: 1px solid var(--ink-20); }
.tl-row .when { font-family: var(--mono); font-size: 12.5px; color: var(--ink-60); letter-spacing: 0.03em; }
.tl-row .role { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; }
.tl-row .co { color: var(--ink-60); }
.tl-row p { color: var(--ink-60); margin-top: 8px; font-size: 0.98rem; }
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(20px, 4vw, 40px); }
.skills-grid .kicker { margin-bottom: 12px; }
.skills-grid ul { list-style: none; }
.skills-grid li { padding-block: 7px; border-bottom: 1px solid var(--ink-20); font-size: 0.98rem; }

/* ---------- footer / contact ---------- */
.foot { background: var(--ink); color: var(--paper); }
.foot .wrap { padding-block: clamp(64px, 10vw, 128px); }
.foot .kicker { color: color-mix(in srgb, var(--paper) 60%, transparent); }
.foot .kicker .idx { color: var(--accent); }
.foot .display { color: var(--paper); }
.foot a.mail { color: var(--paper); background-image: linear-gradient(var(--accent), var(--accent)); background-repeat: no-repeat; background-position: 0 100%; background-size: 100% 2px; transition: background-size .22s ease, color .2s; }
.foot a.mail:hover { color: var(--accent); background-size: 100% 3px; }
.foot__links { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 40px; }
.foot__links a { font-family: var(--mono); font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; color: color-mix(in srgb, var(--paper) 75%, transparent); transition: color .2s ease; }
.foot__links a:hover { color: var(--accent); }
.foot__base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 56px; padding-top: 22px; border-top: 1px solid color-mix(in srgb, var(--paper) 20%, transparent); }
.foot__base span { font-family: var(--mono); font-size: 12px; color: color-mix(in srgb, var(--paper) 55%, transparent); letter-spacing: 0.04em; }

/* ---------- CV page ---------- */
.cv-head { padding-top: clamp(40px, 7vw, 80px); }
.cv-head .name { font-size: clamp(2.6rem, 7vw, 5rem); letter-spacing: -0.045em; line-height: 0.98; font-weight: 700; }
.cv-head .role { font-family: var(--mono); font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-top: 14px; }
.cv-head .summary { max-width: 62ch; margin-top: 22px; font-size: 1.12rem; line-height: 1.55; color: var(--ink); }
.cv-grid { display: grid; grid-template-columns: 1fr 300px; gap: clamp(32px, 6vw, 80px); margin-top: clamp(40px, 6vw, 64px); align-items: start; }
.cv-sec + .cv-sec { margin-top: clamp(28px, 4vw, 44px); }
.cv-sec > .kicker { display: block; margin-bottom: 18px; padding-bottom: 8px; border-bottom: 2px solid var(--ink); }
.cv-job + .cv-job { margin-top: 26px; }
.cv-job__top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.cv-job__title { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; }
.cv-job__co { color: var(--ink-60); font-weight: 400; }
.cv-job__date { font-family: var(--mono); font-size: 12px; color: var(--ink-60); white-space: nowrap; letter-spacing: 0.03em; }
.cv-job ul { list-style: none; margin: 12px 0 0; padding: 0; max-width: 70ch; }
.cv-job li { position: relative; padding-left: 22px; margin-bottom: 8px; color: var(--ink); font-size: 0.98rem; line-height: 1.45; }
.cv-job li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); }
.cv-aside { position: sticky; top: 88px; }
.cv-block + .cv-block { margin-top: 26px; }
.cv-block > .kicker { display: block; margin-bottom: 12px; padding-bottom: 7px; border-bottom: 1px solid var(--ink-20); }
.cv-block .contact-line { display: block; margin-bottom: 8px; font-size: 0.96rem; }
.cv-block ul { list-style: none; }
.cv-block li { padding-block: 6px; border-bottom: 1px solid var(--ink-20); font-size: 0.94rem; line-height: 1.35; }
.cv-block li:last-child { border-bottom: 0; }
.cv-block .skill-cat { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); display: block; margin: 14px 0 6px; }
.cv-block .skill-cat:first-child { margin-top: 0; }
.cv-download { text-align: center; padding-block: clamp(48px, 8vw, 96px); }
.cv-download .kicker { justify-content: center; margin-bottom: 18px; }
.cv-download h2 { margin-bottom: 24px; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  body { font-size: 16px; }
  .hero__row { grid-template-columns: 1fr; align-items: start; }
  .hero--tall { min-height: 0; padding-bottom: clamp(36px, 9vw, 64px); }
  .caps { grid-template-columns: 1fr; }
  .case__grid { grid-template-columns: 1fr; }
  .meta { position: static; }
  .skills-grid { grid-template-columns: 1fr; }
  .cv-grid { grid-template-columns: 1fr; }
  .cv-aside { position: static; }
  .tl-row { grid-template-columns: 1fr; gap: 6px; }
  .row { grid-template-columns: auto 1fr; }
  .row__side { grid-column: 2; text-align: left; }
  .nav__links { position: fixed; inset: 64px 0 auto 0; background: var(--paper); border-bottom: 1px solid var(--ink-20); flex-direction: column; align-items: flex-start; gap: 0; padding: 8px var(--gutter) 20px; transform: translateY(-120%); transition: transform .28s ease; }
  .nav__links.open { transform: none; }
  .nav__links a { padding-block: 12px; font-size: 15px; width: 100%; }
  .nav__links a.is-cta { border: 0; padding: 12px 0; color: var(--accent); }
  .nav__toggle { display: inline-flex; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
  .nav__toggle span { width: 24px; height: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
  .nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle.open span:nth-child(2) { opacity: 0; }
  .nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- print (CV) ---------- */
@page { size: A4; margin: 12mm 14mm; }
@media print {
  .nav, .foot, .cv-download, .marquee, .skip { display: none !important; }
  body { background: #fff; color: #000; font-size: 9.4pt; line-height: 1.34; }
  .wrap { max-width: none; padding-inline: 0; }
  .section, .cv-head { padding-block: 0 !important; }
  .cv-head { padding-top: 0 !important; }
  .cv-head .name { font-size: 22pt; }
  .cv-head .role { font-size: 9pt; margin-top: 6px; }
  .cv-head .summary { font-size: 9.4pt; margin-top: 10px; line-height: 1.4; }
  .cv-grid { grid-template-columns: 1fr 220px; gap: 24px; margin-top: 16px; }
  .cv-aside { position: static; }
  .cv-sec > .kicker, .cv-block > .kicker { margin-bottom: 8px; padding-bottom: 4px; }
  .cv-job + .cv-job { margin-top: 12px; }
  .cv-job__title { font-size: 10pt; }
  .cv-job__date { font-size: 8.5pt; }
  .cv-job ul { margin-top: 6px; }
  .cv-job li { margin-bottom: 3px; font-size: 9.2pt; line-height: 1.32; padding-left: 16px; }
  .cv-block + .cv-block { margin-top: 14px; }
  .cv-block .skill-cat { margin: 8px 0 3px; font-size: 8pt; }
  .cv-block p { font-size: 8.4pt !important; line-height: 1.32 !important; margin: 0; }
  .cv-block li { padding-block: 3px; font-size: 8.6pt; }
  .reveal { opacity: 1 !important; transform: none !important; }
  a { color: #000; }
  .cv-job, .cv-block { break-inside: avoid; }
}