/* ============================================================
   Richard Y. Lee — personal site
   Design notes: editorial typography, restrained palette,
   asymmetric grid. No gradients, no glassmorph, no AI-template
   feature cards.
   ============================================================ */

:root {
  --bg: #f4f1ea;
  --bg-deep: #ece8df;
  --ink: #16140f;
  --ink-soft: #4b463d;
  --rule: #d6d0c2;
  --accent: #b6431a;
  --accent-soft: #e2b39e;
  --serif: "Instrument Serif", "Iowan Old Style", "Apple Garamond", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --measure: 62ch;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 0.18s ease, border-color 0.18s ease;
}
a:hover { color: var(--accent); border-bottom-color: var(--accent); }

em { font-style: italic; color: var(--accent); }

::selection { background: var(--ink); color: var(--bg); }

/* ----------------- Header ----------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 40px;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: saturate(140%);
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  border: 0;
}
.wordmark-mark {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  border: 1px solid var(--ink);
  padding: 3px 7px 2px;
  border-radius: 2px;
}
.wordmark-name {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.01em;
}

.site-nav { display: flex; gap: 28px; }
.site-nav a {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  border: 0;
  position: relative;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -4px;
  height: 1px;
  background: var(--accent);
  transition: right 0.25s ease;
}
.site-nav a:hover::after { right: 0; }
.site-nav a[aria-current="page"]::after { right: 0; background: var(--ink); }

/* ----------------- Hero ----------------- */
.hero {
  padding: 96px 40px 72px;
  max-width: 1200px;
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 32px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(182, 67, 26, 0.16);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(182, 67, 26, 0.16); }
  50%      { box-shadow: 0 0 0 7px rgba(182, 67, 26, 0.04); }
}

.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0 0 36px;
  max-width: 18ch;
}

.lede {
  font-family: var(--serif);
  font-size: clamp(20px, 1.8vw, 24px);
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 48px;
}
.lede a { border-bottom-color: var(--ink-soft); }
.lede strong { color: var(--ink); font-weight: 400; }

.hero-meta {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
}
.hero-meta li {
  padding: 18px 26px;
  border-right: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.4;
}
.hero-meta li:first-child { padding-left: 0; }
.hero-meta li:last-child {
  padding-right: 0;
  border-right: 0;
}
.hero-meta li span {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

/* ----------------- Section blocks ----------------- */
.block {
  padding: 80px 40px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  border-top: 1px solid var(--rule);
}

.section-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 6px 0 0;
  position: sticky;
  top: 90px;
  align-self: start;
}

.block-body { max-width: 64ch; }
.block-body h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 24px;
}
.section-lede {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 40px;
  max-width: 56ch;
}

/* Achievements list */
.achievements { list-style: none; padding: 0; margin: 0; counter-reset: ach; }
.achievements li {
  padding: 28px 0;
  border-top: 1px solid var(--rule);
  position: relative;
  counter-increment: ach;
}
.achievements li::before {
  content: counter(ach, decimal-leading-zero);
  position: absolute;
  top: 30px;
  right: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}
.achievements li:last-child { border-bottom: 1px solid var(--rule); }
.achievements h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.2;
  margin: 0 0 10px;
  padding-right: 40px;
}
.achievements p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
}
.achievements strong { color: var(--ink); font-weight: 500; }

/* CV list */
.cv { list-style: none; padding: 0; margin: 0; }
.cv > li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 32px;
  padding: 26px 0;
  border-top: 1px solid var(--rule);
}
.cv > li:last-child { border-bottom: 1px solid var(--rule); }
.cv-years {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  padding-top: 6px;
}
.cv h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 24px;
  line-height: 1.25;
  margin: 0 0 6px;
}
.cv-role {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 400;
  letter-spacing: 0;
}
.cv p {
  margin: 0;
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.55;
  max-width: 60ch;
}

/* Help / consulting */
.big-prose {
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.4;
  margin: 0 0 48px;
  max-width: 38ch;
}
.help-list {
  list-style: none;
  padding: 0;
  margin: 0 0 48px;
  display: grid;
  gap: 0;
}
.help-list li {
  padding: 22px 0;
  border-top: 1px solid var(--rule);
}
.help-list li:last-child { border-bottom: 1px solid var(--rule); }
.help-list h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  margin: 0 0 6px;
}
.help-list p {
  margin: 0;
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.cta-line {
  font-family: var(--serif);
  font-size: 22px;
  margin: 0;
}
.cta-line a { border-bottom: 1px solid var(--accent); color: var(--accent); }

/* ----------------- Contact page ----------------- */
.contact-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 40px 64px;
}
.contact-intro { margin-bottom: 80px; max-width: 60ch; }
.contact-intro .display {
  font-size: clamp(56px, 8vw, 110px);
  margin-bottom: 28px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  border-top: 1px solid var(--rule);
  padding-top: 56px;
}

.contact-form { display: flex; flex-direction: column; gap: 24px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.optional {
  text-transform: none;
  letter-spacing: 0;
  font-style: italic;
  color: var(--ink-soft);
  opacity: 0.7;
}
.field input,
.field textarea {
  font-family: var(--serif);
  font-size: 20px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: 8px 0 12px;
  color: var(--ink);
  resize: vertical;
  transition: border-color 0.2s ease;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.field textarea { line-height: 1.4; }

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  align-self: flex-start;
  background: var(--ink);
  color: var(--bg);
  border: 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 22px;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease;
}
.submit-btn:hover { background: var(--accent); transform: translateY(-1px); }
.submit-btn .arrow { transition: transform 0.18s ease; }
.submit-btn:hover .arrow { transform: translateX(4px); }

.form-note {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0;
  font-style: italic;
}
.form-note.is-error {
  color: var(--accent);
  font-style: normal;
}

.submit-btn[disabled] {
  opacity: 0.6;
  cursor: progress;
  transform: none;
}
.submit-btn[disabled]:hover { background: var(--ink); transform: none; }

.form-success {
  align-self: start;
  padding: 8px 0;
  animation: fade-in 0.4s ease;
}
.success-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 16px;
}
.form-success h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}
.form-success p {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
  max-width: 42ch;
}
@keyframes fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.contact-direct .aside-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 20px;
}
.direct-list { list-style: none; padding: 0; margin: 0 0 32px; }
.direct-list li {
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  font-family: var(--serif);
  font-size: 19px;
}
.direct-list li:last-child { border-bottom: 1px solid var(--rule); }
.dl-key {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.muted { color: var(--ink-soft); font-size: 14px; }
.aside-foot {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
  font-style: italic;
  margin: 0;
}

/* ----------------- Footer ----------------- */
.site-footer {
  margin-top: 80px;
  padding: 40px 40px 48px;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: end;
  gap: 24px;
  background: var(--bg-deep);
}
.ft-name {
  font-family: var(--serif);
  font-size: 22px;
  margin: 0 0 4px;
}
.ft-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin: 0;
}
.ft-links {
  display: flex;
  gap: 22px;
  justify-content: center;
}
.ft-links a {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  border: 0;
  border-bottom: 1px solid transparent;
}
.ft-links a:hover { border-bottom-color: var(--accent); }
.ft-copy {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  text-align: right;
  margin: 0;
}

/* ----------------- Responsive ----------------- */
@media (max-width: 880px) {
  .site-header { padding: 14px 20px; }
  .site-nav { gap: 18px; }
  .wordmark-name { display: none; }

  .hero { padding: 64px 20px 56px; }
  .hero-meta { grid-template-columns: 1fr; }
  .hero-meta li { border-right: 0; border-bottom: 1px solid var(--rule); }
  .hero-meta li:last-child { border-bottom: 0; }

  .block {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 56px 20px;
  }
  .section-label { position: static; margin-bottom: 8px; }
  .achievements li::before { display: none; }
  .achievements h3 { padding-right: 0; }

  .cv > li { grid-template-columns: 1fr; gap: 8px; }
  .cv-years { padding-top: 0; }

  .contact-main { padding: 64px 20px 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 56px; padding-top: 40px; }

  .site-footer {
    grid-template-columns: 1fr;
    text-align: left;
    padding: 32px 20px;
  }
  .ft-links { justify-content: flex-start; }
  .ft-copy { text-align: left; }
}