/* ===================================================
   Kevin Icart — editorial portfolio
   Quiet confidence: warm paper, ink, one serif, mono labels.
   =================================================== */

:root {
  --paper:    #faf8f3;
  --paper-2:  #f2eee5;
  --ink:      #1a1814;
  --ink-2:    #585249;
  --ink-3:    #6f685e;
  --line:     #e4ddd0;
  --line-2:   #d6cdbc;
  --accent:   #1d3461;   /* deep ink blue — used sparingly */
  --accent-2: #3a5a96;

  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', system-ui, -apple-system, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, monospace;

  --measure: 660px;
  --wide:    1080px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: #1a1814; color: var(--paper); }

a { color: inherit; }

/* Layout */
.wrap { max-width: var(--wide); margin: 0 auto; padding: 0 clamp(1.5rem, 6vw, 5rem); }
.measure { max-width: var(--measure); }

.section { padding: clamp(4.5rem, 11vw, 9rem) 0; border-top: 1px solid var(--line); }
.section:first-of-type { border-top: none; }
.section-tint { background: var(--paper-2); }

/* Eyebrow / small-caps mono label */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1.75rem;
}
.eyebrow .num { color: var(--accent); }

/* Headings */
h1, h2, h3 { font-family: var(--serif); font-weight: 480; letter-spacing: -0.015em; line-height: 1.12; text-wrap: balance; }
.section-title {
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  margin-bottom: 2.75rem;
  max-width: 21ch;
}
.lead { font-size: 1.18rem; line-height: 1.7; color: var(--ink-2); }

/* Links in prose */
.link {
  color: var(--ink);
  text-decoration: none;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 100% 1px;
  background-position: 0 1.15em;
  background-repeat: no-repeat;
  transition: background-size 0.25s ease, color 0.2s;
  padding-bottom: 1px;
}
.link:hover { color: var(--accent); background-size: 100% 1.5px; }

/* ============ Nav ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 1.1rem clamp(1.5rem, 6vw, 5rem);
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}
.nav-logo .dot { color: var(--accent); }
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: baseline; }
.nav-links a {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.2s;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); border-bottom-color: var(--accent); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--ink); margin: 5px 0; transition: 0.3s; }

/* ============ Hero ============ */
.hero { padding: clamp(4.5rem, 13vh, 9rem) 0 clamp(4rem, 9vh, 7rem); }
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 2rem;
}
.hero-eyebrow .sep { color: var(--accent); margin: 0 0.5rem; }
.hero h1 {
  font-size: clamp(2.3rem, 6vw, 4.6rem);
  font-weight: 440;
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 18ch;
  margin-bottom: 2rem;
}
.hero h1 em { font-style: italic; color: var(--accent); }
.hero-sub { max-width: 52ch; font-size: 1.15rem; color: var(--ink-2); line-height: 1.7; margin-bottom: 2.5rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.4rem 2rem; align-items: center; }
.hero-actions a {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink);
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--line-2);
  transition: border-color 0.2s, color 0.2s;
}
.hero-actions a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.hero-actions a .arr { transition: transform 0.2s; }
.hero-actions a:hover .arr { transform: translateX(3px); }

/* ============ About ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.about-body p { color: var(--ink-2); margin-bottom: 1.4rem; max-width: 60ch; }
.about-body p.first { font-size: 1.22rem; line-height: 1.6; color: var(--ink); font-family: var(--serif); font-weight: 380; }
.about-body strong { color: var(--ink); font-weight: 600; }
.personal-note {
  max-width: 64ch;
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.personal-note p { color: var(--ink-2); margin-bottom: 0; }
.personal-note .personal-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.portrait { position: sticky; top: 5.5rem; }
.portrait img {
  width: 100%;
  border-radius: 2px;
  display: block;
  filter: grayscale(100%) contrast(1.02);
  transition: filter 0.5s ease;
}
.portrait:hover img { filter: grayscale(0%); }
.portrait figcaption {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-3);
  margin-top: 0.85rem;
  line-height: 1.7;
}
.portrait figcaption b { color: var(--ink); font-weight: 500; }

/* Stack / toolchain */
.stack { margin-top: clamp(2.5rem, 6vw, 4.5rem); }
.stack .eyebrow { margin-bottom: 1.25rem; }
.stack-grid {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: clamp(2rem, 5vw, 4.5rem);
  border-top: 1px solid var(--line);
}
.stack-grid li {
  display: flex; justify-content: space-between; gap: 1rem; align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.stack-grid li .k { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.stack-grid li .v { color: var(--ink); text-align: right; }
@media (max-width: 640px) { .stack-grid { grid-template-columns: 1fr; } }

/* ============ Work ============ */
.work-intro {
  max-width: 62ch;
  margin: -1rem 0 2.75rem;
  color: var(--ink-2);
  font-size: 1.02rem;
}
.work-progress {
  border-top: 1px solid var(--line);
}
.progress-item {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}
.work-num { font-family: var(--mono); font-size: 0.78rem; color: var(--accent); padding-top: 0.25rem; }
.progress-status {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.35rem;
}
.progress-item h3 { font-size: 1.35rem; font-weight: 460; margin-bottom: 0.5rem; }
.progress-item p:last-child { color: var(--ink-2); font-size: 0.95rem; max-width: 60ch; }
.work-contact { margin-top: 2rem; color: var(--ink-2); font-size: 0.94rem; }

/* ============ Experience ============ */
.tenure { font-size: 1.05rem; color: var(--ink-2); margin-bottom: 2.5rem; max-width: 60ch; }
.tenure b { color: var(--ink); font-weight: 600; }
.xp { display: flex; flex-direction: column; }
.xp-item {
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}
.xp-item:first-child { border-top: none; padding-top: 0; }
.xp-date { font-family: var(--mono); font-size: 0.76rem; color: var(--ink-3); padding-top: 0.35rem; letter-spacing: 0.02em; }
.xp-role { font-family: var(--serif); font-size: 1.3rem; font-weight: 460; }
.xp-co { font-size: 0.9rem; color: var(--ink-2); margin: 0.2rem 0 0.9rem; }
.xp-body ul { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; }
.xp-body li { color: var(--ink-2); font-size: 0.96rem; padding-left: 1.3rem; position: relative; max-width: 64ch; }
.xp-body li::before { content: ''; position: absolute; left: 0; top: 0.72em; width: 14px; height: 1px; background: var(--line-2); }

/* ============ Certifications ============ */
.certs { columns: 2; column-gap: 4rem; }
.cert {
  break-inside: avoid;
  display: flex; justify-content: space-between; gap: 1rem; align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}
.cert .name { font-size: 0.97rem; color: var(--ink); }
.cert a.name { text-decoration: none; }
.cert a.name:hover { color: var(--accent); }
.cert .verify { color: var(--accent); font-family: var(--mono); font-size: 0.72em; white-space: nowrap; }
.cert .name .iss { color: var(--ink-3); }
.cert a.name:hover .iss { color: var(--accent-2); }
.cert-end { display: flex; flex-direction: column; align-items: flex-end; gap: 0.15rem; }
.cert .status {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--ink-3);
  white-space: nowrap;
}
.cert.feat .name { font-weight: 600; }
.cert.feat .name .iss { color: var(--accent); }
.cert .yr { font-family: var(--mono); font-size: 0.74rem; color: var(--ink-3); white-space: nowrap; }
.affiliations,
.edu {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}
.affiliations .eyebrow { margin-bottom: 1rem; }
.affiliation-row {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  color: var(--ink-2);
  font-size: 0.95rem;
}
.affiliation-row b { color: var(--ink); font-weight: 600; }
.affiliation-row .yr { font-family: var(--mono); font-size: 0.74rem; color: var(--ink-3); white-space: nowrap; }
.edu .deg { font-family: var(--serif); font-size: 1.15rem; }
.edu .meta { font-size: 0.92rem; color: var(--ink-2); margin-top: 0.35rem; }

/* ============ Contact ============ */
.contact h2 { font-size: clamp(2rem, 5.5vw, 3.6rem); font-weight: 440; max-width: 18ch; margin-bottom: 1.5rem; }
.contact p { font-size: 1.15rem; color: var(--ink-2); max-width: 54ch; margin-bottom: 2.5rem; }
.contact-links { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; }
.contact-links a {
  font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.02em;
  text-decoration: none; color: var(--ink);
  display: inline-flex; align-items: center; gap: 0.5rem;
  border-bottom: 1px solid var(--line-2); padding-bottom: 0.3rem;
  transition: color 0.2s, border-color 0.2s;
}
.contact-links a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ============ Footer ============ */
.footer { border-top: 1px solid var(--line); padding: 2.5rem 0; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem; font-family: var(--mono); font-size: 0.74rem; color: var(--ink-3); letter-spacing: 0.04em; }

/* ============ Reveal (content remains visible when JavaScript is unavailable) ============ */
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* Skip link */
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--ink); color: var(--paper); padding: 0.6rem 1rem; z-index: 200; font-family: var(--mono); font-size: 0.78rem; }
.skip-link:focus { left: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ============ Responsive ============ */
@media (max-width: 820px) {
  .nav-links {
    position: fixed; inset: 56px 0 auto 0;
    flex-direction: column; gap: 1.25rem;
    background: var(--paper);
    padding: 2rem clamp(1.5rem, 6vw, 5rem);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .about-grid { grid-template-columns: 1fr; }
  .portrait { position: static; max-width: 260px; order: -1; }
  .certs { columns: 1; }
}

@media (max-width: 560px) {
  .progress-item { grid-template-columns: 1fr; gap: 0.4rem; }
  .work-num { padding-top: 0; }
  .xp-item { grid-template-columns: 1fr; gap: 0.4rem; }
  .xp-date { padding-top: 0; }
  .affiliation-row { flex-direction: column; gap: 0.35rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
  .js .reveal { opacity: 1 !important; transform: none !important; }
  .portrait img { filter: grayscale(0%); }
}