/* ============================================================
   Jasper Boonstra — Personal Portfolio
   Neutral dark theme. Built for legibility and focus on work.
   ============================================================ */

:root {
  --bg:          #0d0e11;
  --bg-elev:    #14161a;
  --bg-elev-2:  #1b1e24;
  --border:     #262a31;
  --border-soft:#1f2229;
  --text:       #e8e8e6;
  --text-mute:  #a0a3aa;
  --text-dim:   #6f737c;
  --accent:     #e8e8e6;
  --accent-warm:#c9a87a;   /* sparingly used, restrained warm */
  --max-w:      1120px;
  --gutter:     clamp(20px, 4vw, 40px);
  --radius:     4px;
  --serif: "Iowan Old Style", "Apple Garamond", Georgia, Cambria, "Times New Roman", serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 17px;
  line-height: 1.6;
}

a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: color .15s ease, border-color .15s ease;
}
a:hover { color: var(--accent-warm); border-bottom-color: var(--accent-warm); }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 .4em 0;
  color: var(--text);
}
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); line-height: 1.08; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.2; }
h3 { font-size: 1.25rem; line-height: 1.3; }

p { margin: 0 0 1em 0; color: var(--text); }
.muted { color: var(--text-mute); }
.dim   { color: var(--text-dim); }

.mono { font-family: var(--mono); font-size: 0.86rem; letter-spacing: 0.02em; }

/* ---------- layout ---------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section { padding: clamp(60px, 8vw, 120px) 0; }
.section-tight { padding: clamp(40px, 5vw, 80px) 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.4em;
}

.divider {
  border: 0;
  border-top: 1px solid var(--border-soft);
  margin: 0;
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 14, 17, 0.85);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  border: 0;
  color: var(--text);
}
.brand:hover { color: var(--text); }
.brand .dot { color: var(--accent-warm); }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  border: 0;
  font-size: 0.93rem;
  color: var(--text-mute);
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }

/* ---------- hero ---------- */
.hero {
  padding-top: clamp(80px, 12vw, 160px);
  padding-bottom: clamp(60px, 8vw, 120px);
}
.hero h1 { max-width: 18ch; }
.hero .lead {
  font-size: clamp(1.05rem, 1.6vw, 1.18rem);
  color: var(--text-mute);
  max-width: 60ch;
  margin-top: 1.4em;
  line-height: 1.65;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 36px;
  margin-top: 2.4em;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-dim);
}
.hero-meta span strong {
  display: block;
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.95rem;
  margin-top: 4px;
  font-weight: 500;
}

/* ---------- stats row ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.stat {
  padding: 36px 28px;
  border-right: 1px solid var(--border-soft);
}
.stat:last-child { border-right: 0; }
.stat .n {
  font-family: var(--serif);
  font-size: 2.2rem;
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat .l {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-mute);
  line-height: 1.4;
}
@media (max-width: 700px) {
  .stat { border-right: 0; border-bottom: 1px solid var(--border-soft); }
  .stat:last-child { border-bottom: 0; }
}

/* ---------- project cards ---------- */
.projects { display: grid; gap: 24px; }
.project {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  padding: 36px 0;
  border-top: 1px solid var(--border-soft);
  align-items: start;
}
.project:last-child { border-bottom: 1px solid var(--border-soft); }
.project .meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.project .meta .yr { color: var(--text-mute); display: block; margin-top: 6px; }
.project h3 {
  font-size: 1.55rem;
  margin-bottom: .5em;
}
.project p { color: var(--text-mute); max-width: 62ch; }
.project .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-mute);
}
.project .result {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--accent-warm);
  margin-top: 14px;
  display: block;
}
@media (max-width: 760px) {
  .project { grid-template-columns: 1fr; gap: 12px; }
}

/* ---------- case study (work page) ---------- */
.case {
  padding: clamp(40px, 6vw, 80px) 0;
  border-bottom: 1px solid var(--border-soft);
}
.case:last-child { border-bottom: 0; }
.case-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  margin-bottom: 30px;
}
.case-head .side .yr { font-family: var(--mono); font-size: 0.8rem; color: var(--text-dim); letter-spacing: 0.12em; text-transform: uppercase; }
.case-head .side .client { display: block; margin-top: 6px; color: var(--text-mute); font-size: 0.92rem; }
.case-head h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); }
.case-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
}
.case-grid h4 {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 8px;
}
.case-grid p { color: var(--text-mute); max-width: 62ch; }
.case-grid ul { color: var(--text-mute); padding-left: 20px; margin: 0 0 1em 0; }
.case-grid ul li { margin-bottom: 6px; }
.case-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
  margin-top: 30px;
  border: 1px solid var(--border-soft);
}
.case-results .r {
  padding: 22px;
  border-right: 1px solid var(--border-soft);
}
.case-results .r:last-child { border-right: 0; }
.case-results .n {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--accent-warm);
  line-height: 1;
}
.case-results .l {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--text-mute);
}
@media (max-width: 760px) {
  .case-head, .case-grid { grid-template-columns: 1fr; gap: 18px; }
  .case-results .r { border-right: 0; border-bottom: 1px solid var(--border-soft); }
  .case-results .r:last-child { border-bottom: 0; }
}

/* ---------- timeline (about) ---------- */
.timeline { display: grid; gap: 0; }
.tl-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  padding: 28px 0;
  border-top: 1px solid var(--border-soft);
}
.tl-row:last-child { border-bottom: 1px solid var(--border-soft); }
.tl-row .when {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}
.tl-row h3 { margin-bottom: 4px; font-size: 1.15rem; font-family: var(--sans); font-weight: 500; }
.tl-row .where { color: var(--text-mute); font-size: 0.9rem; margin-bottom: 10px; }
.tl-row p { color: var(--text-mute); max-width: 62ch; margin: 0; }
@media (max-width: 700px) {
  .tl-row { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- skills grid ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 36px;
  margin-top: 32px;
}
.skill-col h4 {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 14px;
}
.skill-col ul { list-style: none; padding: 0; margin: 0; }
.skill-col li {
  padding: 8px 0;
  border-top: 1px solid var(--border-soft);
  color: var(--text-mute);
  font-size: 0.93rem;
}
.skill-col li:first-child { border-top: 0; }

/* ---------- quotes / recommendations ---------- */
.quotes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 24px;
}
.quote {
  padding: 28px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}
.quote p {
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--text);
  margin: 0 0 16px 0;
}
.quote .who {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.quote .who strong {
  display: block;
  color: var(--text-mute);
  font-family: var(--sans);
  font-size: 0.92rem;
  letter-spacing: 0;
  text-transform: none;
  margin-bottom: 4px;
}

/* ---------- CTA / contact ---------- */
.cta-block {
  padding: clamp(60px, 8vw, 100px) 0;
  border-top: 1px solid var(--border-soft);
}
.cta-block h2 { max-width: 18ch; }
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.btn {
  display: inline-block;
  padding: 14px 22px;
  border: 1px solid var(--text);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.btn-ghost {
  border-color: var(--border);
  color: var(--text-mute);
}
.btn-ghost:hover {
  border-color: var(--text);
  background: transparent;
  color: var(--text);
}

/* ---------- contact details ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  margin-top: 40px;
}
.contact-grid .item h4 {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 8px;
}
.contact-grid .item a, .contact-grid .item span {
  font-size: 1.02rem;
  color: var(--text);
  border-bottom: 0;
}
.contact-grid .item a:hover { color: var(--accent-warm); }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--border-soft);
  padding: 40px 0;
  margin-top: 60px;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}
.footer a { color: var(--text-mute); border-bottom: 0; }
.footer a:hover { color: var(--text); }

/* ---------- small utilities ---------- */
.row { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
@media (max-width: 760px) { .row { grid-template-columns: 1fr; gap: 18px; } }