/* ============================================================
   elufisan — art-school portfolio aesthetic
   bone, forest, clay, ink · fraunces + inter tight
   ============================================================ */

:root {
  --bone: #f3eee4;
  --bone-2: #e9e2d3;
  --bone-3: #d8cfbb;
  --ink: #15181a;
  --ink-2: #3a3d3f;
  --ink-3: #6b6f71;
  --rule: #c9c0a8;

  --forest: #1f3a2e;
  --forest-2: #2c5241;
  --forest-soft: #c8d4cc;
  --clay: #c36a3b;
  --clay-soft: #e9c8b2;
  --butter: #e8d596;
  --sky: #8eb0c2;

  --display: "Fraunces", "Source Serif Pro", Georgia, serif;
  --sans: "Inter Tight", "Inter", -apple-system, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bone);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--forest); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, var(--forest) 35%, transparent); }
a:hover { text-decoration-color: var(--forest); color: var(--forest-2); }

.container { width: min(1280px, calc(100vw - 48px)); margin: 0 auto; }
.container-narrow { width: min(860px, calc(100vw - 48px)); margin: 0 auto; }

/* ========== TOP NAV ========== */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklab, var(--bone) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
}
.wordmark {
  font-family: var(--display);
  font-weight: 500; font-style: italic;
  font-size: 22px; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none;
  display: flex; align-items: baseline; gap: 10px;
}
.wordmark small {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.15em; text-transform: uppercase; font-style: normal;
  color: var(--ink-3); font-weight: 400;
}
.nav-links {
  display: flex; gap: 28px;
  font-family: var(--sans); font-size: 14px; font-weight: 500;
  letter-spacing: -0.005em;
}
.nav-links a {
  color: var(--ink); text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover, .nav-links a.on { border-bottom-color: var(--ink); }
.nav-cta {
  font-family: var(--mono); font-size: 11px;
  padding: 7px 12px; background: var(--ink); color: var(--bone);
  border: 1px solid var(--ink); text-decoration: none; letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav-cta:hover { background: var(--forest); border-color: var(--forest); color: var(--bone); }
@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ========== TYPOGRAPHY ========== */
.display {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 0.98;
  color: var(--ink);
}
h1.display { font-size: clamp(54px, 9vw, 140px); }
h2.display { font-size: clamp(36px, 5vw, 72px); line-height: 1.02; }
h3.display { font-size: clamp(24px, 3vw, 36px); line-height: 1.1; }
.italic { font-style: italic; }
.display .accent { color: var(--forest); }
.display .clay { color: var(--clay); }

.eyebrow {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--forest); }

.lede {
  font-family: var(--display);
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.35; font-weight: 400;
  color: var(--ink-2);
  max-width: 26ch;
}
.body-prose { font-size: 17px; line-height: 1.65; color: var(--ink-2); max-width: 62ch; }
.body-prose b { color: var(--ink); }
.body-prose p { margin: 0 0 16px; }

.mono-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-weight: 500; font-size: 14px;
  padding: 12px 18px;
  background: var(--ink); color: var(--bone);
  border: 1px solid var(--ink);
  text-decoration: none;
  transition: transform 0.15s ease;
}
.btn:hover { transform: translateY(-1px); background: var(--forest); border-color: var(--forest); color: var(--bone); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--bone); }
.btn .arrow { transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ========== HERO ========== */
.hero {
  padding: 80px 0 100px;
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: end;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 60px; }
}

.hero h1 em {
  font-style: italic;
  color: var(--forest);
}
.hero h1 .alt { font-family: "Fraunces"; font-variation-settings: "SOFT" 100; }

.hero-meta {
  display: flex; flex-wrap: wrap; gap: 28px;
  margin-top: 36px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-3);
}
.hero-meta .cell b { color: var(--ink); display: block; font-family: var(--sans); font-size: 14px; letter-spacing: 0; text-transform: none; margin-top: 2px; font-weight: 500; }

.hero-art {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--forest);
  overflow: hidden;
  display: flex; align-items: flex-end;
}
.hero-art img {
  width: 100%; height: 100%; object-fit: cover;
  mix-blend-mode: luminosity;
  opacity: 0.9;
  filter: contrast(1.05);
}
.hero-art .caption {
  position: absolute; bottom: 12px; left: 12px; right: 12px;
  font-family: var(--mono); font-size: 10px;
  color: var(--bone);
  letter-spacing: 0.1em; text-transform: uppercase;
  display: flex; justify-content: space-between;
  opacity: 0.8;
}
.hero-art .corner-tag {
  position: absolute; top: 12px; right: 12px;
  font-family: var(--mono); font-size: 10px;
  color: var(--bone); letter-spacing: 0.1em;
  padding: 4px 8px; border: 1px solid var(--bone); opacity: 0.8;
}

.hero-scroll {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 10px; color: var(--ink-3);
  letter-spacing: 0.2em; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.hero-scroll::after { content: ""; width: 1px; height: 24px; background: var(--ink-3); }

/* ========== SECTIONS ========== */
.section { padding: 100px 0; position: relative; }
.section.tight { padding: 60px 0; }
.section.forest { background: var(--forest); color: var(--bone); }
.section.forest a { color: var(--butter); }
.section.forest .display { color: var(--bone); }
.section.forest .eyebrow { color: var(--forest-soft); }
.section.forest .eyebrow::before { background: var(--butter); }
.section.forest .body-prose { color: var(--forest-soft); }
.section.forest .body-prose b { color: var(--bone); }
.section.forest .mono-label { color: var(--forest-soft); }

.section.clay-wash { background: linear-gradient(180deg, var(--bone) 0%, var(--clay-soft) 100%); }
.section.bone-2 { background: var(--bone-2); }

.section-head {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: end;
  margin-bottom: 56px;
}
@media (max-width: 900px) { .section-head { grid-template-columns: 1fr; gap: 20px; } }

.section-head .kicker-col .eyebrow { margin-bottom: 20px; }
.section-head p { max-width: 52ch; color: var(--ink-2); font-size: 17px; line-height: 1.55; margin: 0; }
.section.forest .section-head p { color: var(--forest-soft); }

/* ========== FEATURED WORK (home) ========== */
.work-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 36px 24px;
}
.work-card {
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column; gap: 14px;
}
.work-card .art {
  aspect-ratio: 4/3;
  background: var(--bone-2);
  position: relative;
  overflow: hidden;
}
.work-card .art svg { width: 100%; height: 100%; display: block; }
.work-card:hover .art { outline: 1px solid var(--ink); outline-offset: 4px; }
.work-card .meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase; }
.work-card h3 { font-family: var(--display); font-weight: 400; font-size: 26px; line-height: 1.1; letter-spacing: -0.015em; color: var(--ink); margin: 0; }
.work-card h3 em { font-style: italic; color: var(--forest); }
.work-card p { font-size: 14px; color: var(--ink-2); line-height: 1.5; margin: 0; max-width: 42ch; }

.work-card.span-7 { grid-column: span 7; }
.work-card.span-5 { grid-column: span 5; }
.work-card.span-4 { grid-column: span 4; }
.work-card.span-6 { grid-column: span 6; }
.work-card.span-8 { grid-column: span 8; }
.work-card.span-12 { grid-column: span 12; }
@media (max-width: 900px) {
  .work-card[class*="span-"] { grid-column: span 12; }
}

/* ========== MARQUEE / SPECIMEN ========== */
.specimen {
  padding: 40px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--bone-2);
  overflow: hidden;
}
.specimen-track {
  display: flex; gap: 60px;
  font-family: var(--display); font-style: italic;
  font-size: clamp(36px, 6vw, 88px);
  letter-spacing: -0.02em;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
}
.specimen-track span { color: var(--ink); }
.specimen-track .dot { color: var(--clay); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ========== STATS STRIP ========== */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
@media (max-width: 720px) { .stats-strip { grid-template-columns: repeat(2, 1fr); } }
.stats-strip .cell {
  padding: 32px 24px;
  border-right: 1px solid var(--rule);
}
.stats-strip .cell:last-child { border-right: none; }
@media (max-width: 720px) {
  .stats-strip .cell { border-right: none; border-bottom: 1px solid var(--rule); }
}
.stats-strip .n {
  font-family: var(--display); font-size: 56px; line-height: 1;
  color: var(--ink); letter-spacing: -0.03em;
}
.stats-strip .n sub { font-size: 18px; color: var(--clay); vertical-align: top; font-family: var(--mono); font-style: normal; margin-left: 4px; }
.stats-strip .k { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.12em; text-transform: uppercase; margin-top: 10px; }

/* ========== ABOUT (page) ========== */
.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 900px) { .bio-grid { grid-template-columns: 1fr; gap: 40px; } }
.bio-portrait {
  aspect-ratio: 4/5;
  background: var(--forest);
  overflow: hidden;
  position: relative;
}
.bio-portrait img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.2) contrast(1.05); }
.bio-portrait .tag { position: absolute; bottom: 0; left: 0; padding: 12px 16px; background: var(--bone); font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); }

.bio-prose h2 { margin-bottom: 24px; }
.bio-prose .lede { margin-bottom: 28px; max-width: none; color: var(--ink); }
.bio-prose p { margin: 0 0 16px; }

.facts-stack {
  margin-top: 48px;
  border-top: 1px solid var(--rule);
}
.facts-stack .row {
  display: grid; grid-template-columns: 160px 1fr;
  gap: 24px; padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}
.facts-stack .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); padding-top: 2px; }
.facts-stack .v { font-size: 15px; color: var(--ink); }

/* ========== RESEARCH CASES ========== */
.case {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 80px 0;
  border-bottom: 1px solid var(--rule);
  align-items: center;
}
.case:last-child { border-bottom: none; }
.case.reverse { direction: rtl; }
.case.reverse > * { direction: ltr; }
@media (max-width: 900px) {
  .case { grid-template-columns: 1fr; gap: 32px; padding: 48px 0; }
  .case.reverse { direction: ltr; }
}
.case .art {
  aspect-ratio: 4/5;
  background: var(--forest);
  position: relative;
  overflow: hidden;
}
.case .art svg { width: 100%; height: 100%; display: block; }
.case h2 em { font-style: italic; color: var(--forest); }
.case .case-meta {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-top: 20px;
}
.case .case-meta span {
  font-family: var(--mono); font-size: 11px;
  padding: 5px 10px; border: 1px solid var(--rule);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2);
}

/* ========== PUBLICATIONS ========== */
.pub-controls {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  padding: 24px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
  margin-bottom: 40px;
}
.pub-controls .lbl { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.pub-controls input {
  font-family: var(--sans); font-size: 14px;
  padding: 9px 12px;
  background: var(--bone-2); border: 1px solid var(--rule);
  color: var(--ink); min-width: 260px;
}
.pub-controls input:focus { outline: 2px solid var(--forest); outline-offset: -1px; }
.pub-chip {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 7px 12px;
  border: 1px solid var(--rule); background: transparent;
  cursor: pointer; color: var(--ink-2);
}
.pub-chip.on { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.pub-chip:hover { border-color: var(--ink); }

.pub-list { margin: 0; padding: 0; list-style: none; }
.pub-list li {
  padding: 22px 0;
  display: grid; grid-template-columns: 70px 1fr 120px;
  gap: 32px; align-items: start;
  border-bottom: 1px solid var(--rule);
}
@media (max-width: 720px) { .pub-list li { grid-template-columns: 60px 1fr; gap: 14px; } .pub-list .type-col { display: none; } }
.pub-list li.hidden { display: none; }
.pub-list .yr { font-family: var(--display); font-size: 32px; color: var(--clay); letter-spacing: -0.02em; line-height: 1; padding-top: 4px; }
.pub-list .t { font-family: var(--display); font-size: 22px; line-height: 1.2; letter-spacing: -0.01em; color: var(--ink); }
.pub-list .v { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--forest); margin-top: 6px; text-transform: uppercase; }
.pub-list .a { font-size: 13px; color: var(--ink-2); margin-top: 4px; line-height: 1.5; }
.pub-list .a b { color: var(--ink); background: var(--butter); padding: 0 3px; }
.pub-list .type-col { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); text-align: right; padding-top: 8px; }

/* ========== TEACHING ========== */
.tut-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
}
@media (max-width: 720px) { .tut-grid { grid-template-columns: 1fr; } }
.tut-card {
  padding: 36px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--bone);
  position: relative;
  text-decoration: none; color: inherit;
  transition: background 0.2s ease;
}
.tut-card:nth-child(2n) { border-right: none; }
.tut-card:nth-last-child(-n+2) { border-bottom: none; }
@media (max-width: 720px) {
  .tut-card { border-right: none; border-bottom: 1px solid var(--rule); }
  .tut-card:last-child { border-bottom: none; }
}
.tut-card:hover { background: var(--bone-2); }
.tut-card .tid { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--clay); text-transform: uppercase; }
.tut-card h3 { font-family: var(--display); font-size: 30px; line-height: 1.1; letter-spacing: -0.01em; margin: 12px 0 14px; color: var(--ink); }
.tut-card h3 em { font-style: italic; color: var(--forest); }
.tut-card p { font-size: 15px; color: var(--ink-2); line-height: 1.5; margin: 0; }
.tut-card .tmeta { display: flex; gap: 18px; margin-top: 22px; font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase; }
.tut-card .live { color: var(--forest); display: flex; align-items: center; gap: 6px; }
.tut-card .live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--forest); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.4; } }
.tut-card.soon { opacity: 0.55; cursor: default; }
.tut-card.soon:hover { background: var(--bone); }

/* ========== CONTACT ========== */
.contact-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  align-items: start;
}
@media (max-width: 900px) { .contact-split { grid-template-columns: 1fr; gap: 40px; } }
.contact-form .field { margin-bottom: 18px; }
.contact-form label {
  display: block;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 6px;
}
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%;
  font-family: var(--sans); font-size: 15px;
  padding: 12px 14px;
  background: var(--bone-2);
  border: 1px solid var(--rule);
  color: var(--ink);
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: 2px solid var(--forest); outline-offset: -1px; border-color: var(--forest);
}
.form-msg {
  font-family: var(--mono); font-size: 12px;
  color: var(--forest); margin-top: 14px;
  padding: 10px 14px; border: 1px solid var(--forest); background: var(--forest-soft);
  display: none;
}
.form-msg.show { display: block; }

/* ========== FOOTER ========== */
footer {
  background: var(--ink); color: var(--bone-2);
  padding: 60px 0 40px;
  margin-top: 60px;
}
footer a { color: var(--butter); }
footer .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 720px) { footer .footer-grid { grid-template-columns: 1fr 1fr; } }
footer .foot-title { font-family: var(--display); font-style: italic; font-size: 28px; color: var(--bone); margin-bottom: 8px; }
footer .foot-sub { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; }
footer h5 { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); font-weight: 400; margin: 0 0 14px; }
footer ul { list-style: none; padding: 0; margin: 0; font-size: 14px; }
footer ul li { margin-bottom: 8px; }
footer .bot { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--ink-2); display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--ink-3); text-transform: uppercase; }

/* ========== TUTOR ========== */
.tutor { position: fixed; bottom: 20px; right: 20px; z-index: 60; font-family: var(--sans); }
.tutor-toggle {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; background: var(--ink); color: var(--bone);
  border: 1px solid var(--ink); cursor: pointer;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.tutor-toggle:hover { background: var(--forest); border-color: var(--forest); }
.tutor-toggle .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--butter); animation: pulse 2s ease-in-out infinite; }
.tutor-panel {
  display: none; width: min(400px, calc(100vw - 40px));
  height: min(560px, calc(100vh - 100px));
  background: var(--bone); border: 1px solid var(--ink);
  box-shadow: 0 14px 44px rgba(0,0,0,0.2);
  flex-direction: column; overflow: hidden;
}
.tutor.open .tutor-panel { display: flex; }
.tutor.open .tutor-toggle { display: none; }
.tutor-header { background: var(--ink); color: var(--bone); padding: 12px 14px; display: flex; justify-content: space-between; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--mono); }
.tutor-header .title { display: flex; align-items: center; gap: 8px; }
.tutor-header .title .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--butter); }
.tutor-header .close { background: transparent; border: none; color: var(--bone); font-size: 18px; cursor: pointer; }
.tutor-body { flex: 1; padding: 14px; overflow-y: auto; font-size: 14px; line-height: 1.6; }
.tutor-msg { margin-bottom: 14px; }
.tutor-msg .who { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 3px; }
.tutor-msg.user .who { color: var(--clay); }
.tutor-msg.assistant .who { color: var(--forest); }
.tutor-msg .text { color: var(--ink); white-space: pre-wrap; }
.tutor-typing { color: var(--ink-3); font-family: var(--mono); font-size: 12px; }
.tutor-typing::after { content: "▮"; animation: blink 0.8s steps(2) infinite; color: var(--forest); margin-left: 2px; }
@keyframes blink { 50% { opacity: 0; } }
.tutor-suggestions { padding: 10px 12px; border-top: 1px dashed var(--rule); display: flex; gap: 6px; flex-wrap: wrap; background: var(--bone-2); }
.tutor-suggestions .sug { font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; padding: 5px 8px; background: var(--bone); border: 1px solid var(--rule); color: var(--ink-2); cursor: pointer; text-transform: uppercase; }
.tutor-suggestions .sug:hover { border-color: var(--forest); color: var(--forest); }
.tutor-input { border-top: 1px solid var(--rule); padding: 10px 12px; display: flex; gap: 8px; align-items: center; background: var(--bone-2); }
.tutor-input input { flex: 1; border: none; background: transparent; font-family: var(--sans); font-size: 14px; color: var(--ink); }
.tutor-input input:focus { outline: none; }
.tutor-input button { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; background: var(--ink); color: var(--bone); border: none; padding: 7px 12px; cursor: pointer; text-transform: uppercase; }
.tutor-input button:hover { background: var(--forest); }

/* ========== ART (decorative SVG wrappers) ========== */
.art-helix, .art-petri, .art-contour, .art-cells, .art-waves {
  width: 100%; height: 100%;
}