/* Kellyn Wu, personal site */

:root {
  --bg:      #f7f6f2;
  --panel:   #fffefb;
  --ink:     #17160f;
  --soft:    #58554b;
  --faint:   #8f8b7e;
  --rule:    #ddd8cc;
  --hair:    #e9e5db;
  --accent:  #2f5233;
  --wrap:    68rem;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --mono:  ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg:     #131210;
  --panel:  #191815;
  --ink:    #edeae2;
  --soft:   #a39f94;
  --faint:  #726e64;
  --rule:   #2c2a25;
  --hair:   #232120;
  --accent: #d9ab52;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:     #131210;
    --panel:  #191815;
    --ink:    #edeae2;
    --soft:   #a39f94;
    --faint:  #726e64;
    --rule:   #2c2a25;
    --hair:   #232120;
    --accent: #d9ab52;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 2rem; }

a { color: inherit; text-decoration: none; }

/* ---------- top bar ---------- */

.bar {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid var(--hair);
}
.bar .wrap { display: flex; align-items: center; height: 4.2rem; gap: 2rem; }
.bar .name { font-family: var(--serif); font-size: 1.35rem; margin-right: auto; letter-spacing: -0.01em; }
.bar nav { display: flex; gap: 1.9rem; font-size: 0.82rem; letter-spacing: 0.02em; }
.bar nav a { color: var(--soft); padding-bottom: 2px; border-bottom: 1px solid transparent; }
.bar nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }
.theme {
  background: none; border: none; cursor: pointer; padding: 0;
  color: var(--faint); font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase;
}
.theme:hover { color: var(--accent); }
@media (max-width: 46rem) { .bar nav { display: none; } }

/* ---------- hero ---------- */

.hero {
  position: relative;
  display: flex; align-items: center;
  min-height: clamp(28rem, 74vh, 46rem);
  padding: 5rem 0;
  overflow: hidden;
  background: #14130f;
}
.hero-img {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: 72% 50%;
}
.hero-scrim {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(95deg,
    rgba(12,11,9,0.92) 0%,
    rgba(12,11,9,0.84) 24%,
    rgba(12,11,9,0.55) 44%,
    rgba(12,11,9,0.14) 62%,
    rgba(12,11,9,0)    74%);
}
.hero-inner { position: relative; z-index: 2; width: 100%; }

.hero .kicker {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: #e0b45f; margin: 0 0 2.2rem;
}
.hero h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.6rem, 6.4vw, 5rem);
  line-height: 1.02; letter-spacing: -0.022em;
  margin: 0 0 1.6rem; max-width: 13ch; color: #fff;
  text-shadow: 0 1px 26px rgba(0,0,0,0.38);
}
.hero p {
  font-size: 1.12rem; color: rgba(255,255,255,0.87);
  max-width: 30rem; margin: 0 0 1rem;
  text-shadow: 0 1px 14px rgba(0,0,0,0.34);
}
.hero .meta {
  margin-top: 2.6rem; padding-top: 1.4rem;
  border-top: 1px solid rgba(255,255,255,0.22);
  display: flex; flex-wrap: wrap; gap: 0.5rem 2rem;
  font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.05em;
  color: rgba(255,255,255,0.62); max-width: 34rem;
}
.hero .meta a { color: rgba(255,255,255,0.92); border-bottom: 1px solid rgba(255,255,255,0.34); padding-bottom: 1px; }
.hero .meta a:hover { color: #e0b45f; border-bottom-color: #e0b45f; }

@media (max-width: 52rem) {
  .hero {
    min-height: 42rem; padding: 3rem 0 3.2rem;
    align-items: flex-end;
  }
  .hero-img { object-position: 66% 18%; }
  .hero-scrim {
    background: linear-gradient(180deg,
      rgba(12,11,9,0.46) 0%,
      rgba(12,11,9,0.22) 26%,
      rgba(12,11,9,0.64) 52%,
      rgba(12,11,9,0.90) 78%,
      rgba(12,11,9,0.96) 100%);
  }
  .hero h1 { max-width: 12ch; margin-bottom: 1.2rem; }
  .hero p  { max-width: 26rem; }
  .hero .meta { margin-top: 1.8rem; }
}

/* ---------- sections ---------- */

section { padding: 5.5rem 0; border-top: 1px solid var(--hair); }

.head { display: flex; align-items: baseline; gap: 1.4rem; margin-bottom: 3rem; }
.head .idx {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.12em;
  color: var(--accent); white-space: nowrap;
}
.head h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.9rem, 3.6vw, 2.7rem); line-height: 1.1;
  letter-spacing: -0.018em; margin: 0;
}
.head .note { margin-left: auto; font-size: 0.82rem; color: var(--faint); text-align: right; }
@media (max-width: 46rem) { .head .note { display: none; } }

/* ---------- about ---------- */

.about p { font-size: 1.16rem; color: var(--soft); max-width: 36rem; margin: 0 0 1.15rem; }
.about p:first-child { color: var(--ink); font-size: 1.3rem; font-family: var(--serif); line-height: 1.42; }

/* ---------- projects ---------- */

.proj { padding: 3.2rem 0; border-top: 1px solid var(--hair); }
.proj:first-of-type { border-top: none; padding-top: 0; }

.proj .top { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.35rem; }
.proj h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.6rem, 3vw, 2.15rem); line-height: 1.12;
  letter-spacing: -0.015em; margin: 0;
}
.proj .state {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.11em;
  text-transform: uppercase; color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-radius: 999px; padding: 0.16rem 0.6rem;
}
.proj .team {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.11em;
  text-transform: uppercase; color: var(--faint);
  border: 1px solid var(--hair);
  border-radius: 999px; padding: 0.16rem 0.6rem;
}
.proj .stack {
  font-family: var(--mono); font-size: 0.74rem; color: var(--faint);
  letter-spacing: 0.02em; margin: 0 0 1.9rem;
}

.beats { margin: 0; display: grid; gap: 1.5rem; }
.beat { display: grid; grid-template-columns: 13rem 1fr; column-gap: 2rem; row-gap: 0; }
.beat dt {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--faint); padding-top: 0.34rem;
}
.beat dd { margin: 0; color: var(--soft); max-width: 40rem; grid-column: 2; }
.beat dd + dd { margin-top: 0.9rem; }
.beat dd em { color: var(--ink); font-style: italic; }
.beat dd b { color: var(--ink); font-weight: 500; }
@media (max-width: 52rem) {
  .beat { grid-template-columns: 1fr; gap: 0.2rem; }
  .beat dt { padding-top: 0.7rem; }
  .beat dd { grid-column: auto; }
}

.more { margin-top: 1.7rem; display: flex; gap: 1.6rem; flex-wrap: wrap; font-size: 0.86rem; }
.more a { color: var(--accent); border-bottom: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); padding-bottom: 2px; }
.more a:hover { border-bottom-color: var(--accent); }

/* ---------- numbers ---------- */

.figs { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: 2.6rem 2rem; }
.fig { border-top: 1px solid var(--rule); padding-top: 1rem; }
.fig b {
  display: block; font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.4rem, 5vw, 3.4rem); line-height: 1; letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}
.fig span { display: block; font-size: 0.88rem; color: var(--soft); }
.numlead { color: var(--soft); max-width: 36rem; margin: 0 0 2.6rem; font-size: 1.06rem; }

/* ---------- contact ---------- */

.routes { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; }
.route h3 { font-family: var(--serif); font-weight: 400; font-size: 1.5rem; margin: 0 0 0.7rem; letter-spacing: -0.01em; }
.route p { color: var(--soft); margin: 0 0 1.4rem; max-width: 26rem; }
.btn {
  display: inline-block; font-family: var(--mono); font-size: 0.76rem;
  letter-spacing: 0.09em; text-transform: uppercase;
  padding: 0.75rem 1.5rem; border-radius: 999px;
  background: var(--accent); color: var(--bg); font-weight: 500;
}
.btn:hover { opacity: 0.85; }
.btn.ghost { background: none; color: var(--soft); border: 1px solid var(--rule); }
.btn.ghost:hover { color: var(--ink); border-color: var(--accent); opacity: 1; }
.addr { font-family: var(--mono); font-size: 0.78rem; color: var(--faint); margin: 1rem 0 0; }
.addr a { color: var(--soft); border-bottom: 1px solid var(--rule); padding-bottom: 1px; }
.addr a:hover { color: var(--ink); border-bottom-color: var(--accent); }
@media (max-width: 46rem) { .routes { grid-template-columns: 1fr; gap: 2.8rem; } }

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--hair); padding: 2.5rem 0 3.5rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em; color: var(--faint);
}
footer a { color: var(--soft); }
footer a:hover { color: var(--accent); }

/* ---------- inline link in prose ---------- */

.about a.inline, .beat dd a {
  color: var(--accent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  padding-bottom: 1px;
}
.about a.inline:hover, .beat dd a:hover { border-bottom-color: var(--accent); }

/* ---------- media slot ---------- */

.media { margin: 0 0 2.2rem; max-width: 46rem; }
.media img, .media video {
  display: block; width: 100%; height: auto;
  border-radius: 3px; border: 1px solid var(--hair);
}
.media .ph {
  aspect-ratio: var(--ratio, 16 / 9);
  display: flex; align-items: center; justify-content: center;
  background: var(--panel);
  border: 1px dashed var(--rule); border-radius: 3px;
}
.media .ph span {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--faint);
}
.media figcaption {
  margin-top: 0.75rem; font-size: 0.82rem; color: var(--faint); max-width: 34rem;
}
.media.portrait { max-width: 25rem; }
.media[style*="9 / 16"] { max-width: 17rem; }

/* ---------- measured results, inside a project ---------- */

.proof { margin-top: 2.6rem; padding-top: 2rem; border-top: 1px solid var(--hair); }
.prooflead { color: var(--soft); max-width: 36rem; margin: 0 0 2rem; font-size: 0.98rem; }
.proof .figs { grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr)); gap: 2rem 1.8rem; }
.proof .fig b { font-size: clamp(1.9rem, 3.6vw, 2.5rem); }
.proof .fig span { font-size: 0.83rem; }

/* ---------- justified prose ---------- */

.about p,
.beat dd {
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}

/* ---------- contact form ---------- */

.contact-grid {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: 3.5rem; align-items: start;
}
.formlead { color: var(--soft); margin: 0 0 2rem; max-width: 32rem; }

.cform .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.cform .field { margin: 0 0 1.1rem; display: flex; flex-direction: column; gap: 0.45rem; }
.cform label {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--faint);
}
.cform input[type="text"], .cform input[type="email"], .cform textarea {
  width: 100%; padding: 0.7rem 0.85rem;
  font-family: var(--sans); font-size: 0.98rem; line-height: 1.5; color: var(--ink);
  background: var(--panel); border: 1px solid var(--rule); border-radius: 3px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.cform textarea { resize: vertical; min-height: 9rem; }
.cform input:focus, .cform textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}
.cform input:-webkit-autofill {
  -webkit-text-fill-color: var(--ink);
  -webkit-box-shadow: 0 0 0 30px var(--panel) inset;
}

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.formfoot { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; margin-top: 0.4rem; }
.cform button.btn { border: 0; cursor: pointer; }
.cform button.btn[disabled] { opacity: 0.55; cursor: default; }

.cf-status { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--faint); }
.cf-status.good { color: var(--accent); }
.cf-status.bad { color: #b3452f; }
.cf-status a { color: inherit; border-bottom: 1px solid currentColor; }
:root[data-theme="dark"] .cf-status.bad { color: #e08b72; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .cf-status.bad { color: #e08b72; }
}

.routes-side .route + .route { margin-top: 2.6rem; }
.routes-side .addr { margin-top: 0; }

@media (max-width: 46rem) {
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .cform .row { grid-template-columns: 1fr; gap: 0; }
}