@import url('https://fonts.cdnfonts.com/css/cmu-serif');

:root {
  --font-sans: 'CMU Serif', serif;
  --color-background-primary: #ffffff;
  --color-background-secondary: #f7f7f6;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #6b6b6b;
  --color-text-tertiary: #aaaaaa;
  --color-border-tertiary: #e5e5e5;
  --color-border-secondary: #cccccc;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-y: scroll; }
body { font-family: var(--font-sans); background: var(--color-background-primary); color: var(--color-text-primary); }
#site { max-width: 860px; margin: 0 auto; padding: 0 1.5rem 4rem; }

/* ── NAV ── */
nav { display: flex; align-items: center; justify-content: space-between; padding: 1.5rem 0 2rem; border-bottom: 0.5px solid var(--color-border-tertiary); flex-wrap: wrap; gap: 1rem; }
.nav-logo { font-size: 14px; font-weight: 300; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-primary); text-decoration: none; }
.nav-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.nav-links a { font-size: 13px; color: var(--color-text-secondary); text-decoration: none; padding-bottom: 2px; border-bottom: 1px solid transparent; transition: color 0.15s, border-color 0.15s; }
.nav-links a:hover,
.nav-links a.active { color: var(--color-text-primary); border-bottom-color: var(--color-text-primary); }

/* ── PAGE CONTENT ── */
.page-content { padding-top: 2.5rem; }

/* ── ABOUT ── */
.about-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; margin-bottom: 3rem; }
.about-text .role { font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-secondary); margin-bottom: 1.25rem; }
.about-text h1 { font-size: 2rem; font-weight: 300; line-height: 1.2; margin-bottom: 1.25rem; letter-spacing: -0.02em; }
.about-text p { font-size: 15px; line-height: 1.75; color: var(--color-text-secondary); }
.about-photo { width: 100%; aspect-ratio: 16/9; background: var(--color-background-secondary); border: 0.5px solid var(--color-border-tertiary); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.photo-icon { width: 36px; height: 24px; border: 1.5px solid var(--color-border-secondary); position: relative; }
.photo-icon::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--color-border-secondary); }
.about-photo span { font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-text-tertiary); }

/* ── CV ── */
.cv-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 2.5rem; padding-bottom: 1.5rem; gap: 1rem; flex-wrap: wrap; }
.cv-header h2 { font-size: 1.6rem; font-weight: 300; letter-spacing: -0.01em; }
.btn-download { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; padding: 8px 16px; border: 0.5px solid var(--color-border-secondary); background: transparent; color: var(--color-text-primary); cursor: pointer; text-decoration: none; transition: background 0.15s; white-space: nowrap; }
.btn-download:hover { background: var(--color-background-secondary); }
.btn-download svg { width: 13px; height: 13px; }
.cv-section { margin-bottom: 2.5rem; }
.cv-section-title { font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-text-secondary); margin-bottom: 1.25rem; padding-bottom: 0.75rem; border-bottom: 0.5px solid var(--color-border-tertiary); }
.cv-row { display: grid; grid-template-columns: 1fr 2fr; gap: 1.5rem; padding: 0.85rem 0; }
.cv-row:last-child { border-bottom: none; }
.cv-date { font-size: 13px; color: var(--color-text-secondary); padding-top: 1px; }
.cv-entry-title { font-size: 14px; font-weight: 300; margin-bottom: 3px; }
.cv-entry-sub { font-size: 13px; color: var(--color-text-secondary); line-height: 1.55; }

/* ── PUBLICATIONS ── */
.pub-header { margin-bottom: 2rem; padding-bottom: 1.5rem; }
.pub-header h2 { font-size: 1.6rem; font-weight: 300; letter-spacing: -0.01em; }

.pub-table { width: 100%; border-collapse: collapse; }
.pub-row-label td { padding: 1.2rem 0 0.3rem; border-top: 0.5px solid var(--color-border-tertiary); }
.pub-row-label td:first-child { padding-left: 0; }
.pub-type-label { display: inline-block; font-size: 10px; text-transform: uppercase; letter-spacing: 0.09em; color: var(--color-text-tertiary); line-height: 1; }
.pub-row-content { cursor: pointer; transition: background 0.12s; }
.pub-row-content:hover { background: var(--color-background-secondary); }
.pub-row-content td { vertical-align: top; padding: 0.5rem 0 1rem; }
.col-title  { width: 35%; padding-right: 1.2rem !important; }
.col-desc   { width: 30%; padding-right: 1.2rem !important; }
.col-ref    { width: 35%; }
.pub-title-text { font-size: 15px; font-weight: 300; color: var(--color-text-primary); line-height: 1.4; display: block; }
.pub-desc-text { font-size: 13px; color: var(--color-text-secondary); line-height: 1.6; display: block; }
.pub-ref { font-size: 13px; color: var(--color-text-primary); line-height: 1.6; display: block; }

.pub-cards { display: none; }
.pub-card { border-bottom: 0.5px solid var(--color-border-tertiary); padding: 1rem 0; cursor: pointer; transition: background 0.12s; }
.pub-card:hover { background: var(--color-background-secondary); }
.pub-card-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.09em; color: var(--color-text-tertiary); margin-bottom: 6px; }
.pub-card-title { font-size: 15px; font-weight: 300; color: var(--color-text-primary); margin-bottom: 8px; line-height: 1.35; }
.pub-card-desc { font-size: 12px; color: var(--color-text-secondary); line-height: 1.55; margin-bottom: 6px; }
.pub-card-ref { font-size: 12px; color: var(--color-text-primary); line-height: 1.55; }

/* ── TINKERING ── */
.tink-header { margin-bottom: 2rem; }
.tink-header h2 { font-size: 1.6rem; font-weight: 300; letter-spacing: -0.01em; }
.tink-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-secondary); margin-bottom: 0.5rem; }
.tink-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5px; background: var(--color-border-tertiary); border: 0.5px solid var(--color-border-tertiary); }
.tink-card { background: var(--color-background-primary); overflow: hidden; text-decoration: none; color: inherit; display: block; transition: background 0.12s; }
.tink-card:hover { background: var(--color-background-secondary); }
.tink-card-img { width: 100%; aspect-ratio: 16/10; background: var(--color-background-secondary); border-bottom: 0.5px solid var(--color-border-tertiary); display: flex; align-items: center; justify-content: center; }
.tink-card-img span { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-tertiary); }
.tink-card-body { padding: 0.85rem; }
.tink-card-cat { font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-secondary); margin-bottom: 5px; }
.tink-card-title { font-size: 13px; font-weight: 300; line-height: 1.3; margin-bottom: 6px; }
.tink-card-excerpt { font-size: 12px; color: var(--color-text-secondary); line-height: 1.5; }
.tink-card-footer { display: flex; align-items: center; justify-content: space-between; padding: 0.5rem 0.85rem; border-top: 0.5px solid var(--color-border-tertiary); }
.tink-card-date { font-size: 11px; color: var(--color-text-tertiary); }
.tink-card-arrow { font-size: 13px; color: var(--color-text-secondary); }

/* ── PROJECT PAGE ── */
.project-back { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-secondary); margin-bottom: 2rem; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; }
.project-back:hover { color: var(--color-text-primary); }
.project-hero-img { width: 100%; aspect-ratio: 21/9; background: var(--color-background-secondary); border: 0.5px solid var(--color-border-tertiary); display: flex; align-items: center; justify-content: center; margin-bottom: 2rem; }
.project-hero-img span { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-tertiary); }
.project-meta { display: flex; gap: 2rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.project-meta-item label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-secondary); display: block; margin-bottom: 3px; }
.project-meta-item span { font-size: 13px; }
.project-title { font-size: 1.6rem; font-weight: 300; letter-spacing: -0.015em; line-height: 1.2; margin-bottom: 1rem; }
.project-body { font-size: 15px; line-height: 1.8; color: var(--color-text-secondary); }

/* ── CONTACT ── */
.contact-header { margin-bottom: 3rem; padding-bottom: 1.5rem; border-bottom: 0.5px solid var(--color-border-tertiary); display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.contact-header h2 { font-size: 1.6rem; font-weight: 300; letter-spacing: -0.01em; }
.contact-lower { display: grid; grid-template-columns: 1fr 1fr; column-gap: 8rem; margin-bottom: 1.25rem; padding-bottom: 0.6rem; border-bottom: 0.5px solid var(--color-border-tertiary); }
.contact-detail-row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 3rem; }
.contact-detail-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--color-text-tertiary); white-space: nowrap; flex-shrink: 0; }
.contact-detail-value { font-size: 13px; color: var(--color-text-primary); text-decoration: none; text-align: right; }
.contact-detail-value-big {
  font-size: 19px;
}
.contact-detail-value:hover { text-decoration: underline; text-underline-offset: 3px; }
.link-item { display: flex; align-items: center; justify-content: space-between; padding: 0.65rem 0; border-bottom: 0.5px solid var(--color-border-tertiary); text-decoration: none; color: var(--color-text-primary); transition: color 0.12s; }
.link-item:last-child { border-bottom: none; }
.link-item:hover { color: var(--color-text-secondary); }
.link-item span { font-size: 13px; }
.link-item .link-arrow { font-size: 12px; color: var(--color-text-tertiary); }
.contact-bottom {
  margin-top: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}
.contact-social-link {
  padding: 5px;
  color: var(--color-text-primary);
  transition: color 0.12s;
}
.contact-social-link:hover { color: var(--color-text-secondary); }

/* ── MOBILE ── */
@media (max-width: 620px) {
  .about-hero { grid-template-columns: 1fr; gap: 2rem; }
  .about-photo { order: -1; }
  .about-text h1 { font-size: 1.7rem; }
  .cv-row { grid-template-columns: 1fr; gap: 0.3rem; }
  .cv-date { font-size: 11px; color: var(--color-text-tertiary); }
  .pub-table { display: none; }
  .pub-cards { display: block; }
  .tink-grid { grid-template-columns: 1fr 1fr; }
  .contact-header { flex-direction: column; }
  .contact-header-sub { text-align: left; max-width: 100%; }
  .contact-lower { grid-template-columns: 1fr; gap: 2rem; }
  .contact-email-cta { font-size: 1.1rem; }
}

@media (max-width: 400px) {
  .tink-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 0.85rem; }
  .nav-links a { font-size: 12px; }
}