@import url("https://fonts.googleapis.com/css2?family=Cormorant:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Lato:wght@300;400;700&display=swap");
/* ── TOKENS ── */
:root {
  --bg: #e8f9f9;
  --surface: #ffffff;
  --surface2: #d0f0f0;
  --border: #a8dede;
  --accent: #c05a38;
  --accent2: #2a8f8f;
  --accent3: #e8906a;
  --text: #2a1f14;
  --muted: #3d6060;
  --grid-line: rgba(59, 191, 191, 0.1);
}

/* ── RESET ── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}

/* ── BODY ── */
body {
  font-family: "Lato", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle tiled grid */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* Ambient glow */
body::after {
  content: "";
  position: fixed;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(59, 191, 191, 0.15) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

h1 em {
  font-family: "Cormorant", serif;
  font-style: italic;
  font-weight: inherit;
  color: var(--accent2);
}

/* ── NAV ── */

nav {
  position: sticky;
  top: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.9rem 1.5rem;
  background: rgba(232, 249, 249, 0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Hamburger button — hidden on desktop */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.5rem;
  cursor: pointer;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.25s ease;
}

/* Animate hamburger → X when open */
.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-logo {
  font-family: "Cormorant", serif;
  font-size: 2.75rem;
  color: var(--accent);
  margin-right: auto;
}

@media (max-width: 560px) {
  .nav-hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    padding: 0.5rem 0;
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-tab {
    width: 100%;
    text-align: left;
    border-radius: 6px;
  }

  .nav-logo {
    font-family: "Cormorant", serif;
    font-size: 2rem;
    color: var(--accent);
    margin-right: auto;
  }
}

.nav-logo span {
  color: var(--text);
}

.nav-tab {
  background: none;
  border: 1px solid transparent;
  color: var(--muted);
  padding: 0.45rem 1.5rem;
  font-family: inherit;
  font-size: 2rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.18s;
}
.nav-tab:hover {
  color: var(--text);
  border-color: var(--border);
}
.nav-tab.active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(192, 90, 56, 0.08);
}

.nav-tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* ── PAGES ── */
.page {
  display: none;
  position: relative;
  z-index: 1;
}
.page.active {
  display: block;
}

/* ── HERO ── */
.hero {
  padding: 1.5rem 2rem 2rem;
  max-width: 100%;
  margin: 0 auto;
  color: var(--text);
}

.hero h1 {
  font-family: "Cormorant", serif;
  font-size: 3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.hero-logo {
  font-family: "Cormorant", serif;
  font-size: 3rem;
  color: var(--accent2);
  margin-right: auto;
  line-height: 1.15;
}

@media (max-width: 560px) {
  .hero-logo {
    font-family: "Cormorant", serif;
    font-size: 2.5rem;
    color: var(--accent2);
    margin-right: auto;
    line-height: 1.15;
  }
}

.hero-logo span {
  color: var(--text);
}

.hero-sub {
  color: var(--muted);
  font-size: 1.5rem;
  line-height: 1.25;
  max-width: 100%;
}

.formula-pill {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  background: rgba(59, 191, 191, 0.1);
  border: 1px solid rgba(59, 191, 191, 0.35);
  color: var(--accent2);
  padding: 0.65rem 1.3rem;
  border-radius: 3px;
  font-size: 1.5rem;
  margin-top: 1.5rem;
  letter-spacing: 0.04em;
}
.formula-pill span {
  color: var(--muted);
  font-size: 1.5rem;
}

.formula-pill-break {
  flex-direction: row;
  flex-wrap: wrap;
}

/* On mobile — stack into two lines at the equals sign */
@media (max-width: 560px) {
  .formula-pill-break {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* ── FORM ELEMENTS ── */
.field-label {
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 0.3rem;
  display: block;
}

input[type="number"],
select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.65rem;
  font-family: inherit;
  font-size: 1.5rem;
  border-radius: 6px;
  outline: none;
  transition: border-color 0.15s;
}
input[type="number"]:focus,
select:focus {
  border-color: var(--accent);
}

input[type="range"] {
  accent-color: var(--accent);
  cursor: pointer;
  width: 100%;
}

select {
  cursor: pointer;
}
select option {
  background: var(--surface);
}

/* Matrix 2×2 layout */
.matrix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}
.matrix-cell {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.matrix-cell input {
  width: 100%;
  text-align: center;
}

.matrix-warning {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(192, 90, 56, 0.08);
  border: 1px solid rgba(192, 90, 56, 0.4);
  color: var(--accent);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 1rem;
  margin-top: 0.4rem;
}

input[type="number"].matrix-invalid {
  border-color: var(--accent);
  background: rgba(192, 90, 56, 0.05);
}

input[type="number"].matrix-invalid:focus {
  outline-color: var(--accent);
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  font-family: inherit;
  padding: 0.65rem 1.3rem;
  font-size: 1rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  border-radius: 3px;
  transition:
    opacity 0.18s,
    transform 0.1s;
}
.btn:active {
  transform: scale(0.97);
}

.btn-red {
  background: var(--accent);
  color: #fff;
}
.btn-red:hover {
  opacity: 0.85;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent2);
  color: var(--accent2);
}

.btn-step {
  background: #e8a050;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-step:hover {
  background: #d4853a;
  border-color: var(--accent2);
  color: var(--text);
}

.btn-cyan {
  background: #3cb8e8;
  border: 1px solid var(--accent2);
  color: var(--text);
}
.btn-cyan:hover {
  background: rgba(59, 191, 191, 0.1);
}

/* ── UPLOAD BOX ── */
.upload-box {
  border: 1px dashed var(--border);
  border-radius: 5px;
  padding: 1rem 1.5rem 1.2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--surface2);
  position: relative;
}
.upload-box:hover {
  border-color: var(--accent2);
  background: rgba(59, 191, 191, 0.06);
}
.upload-box input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.upload-box .up-icon {
  font-size: 1.4rem;
  display: block;
  margin-bottom: 0.25rem;
}
.upload-box .up-lbl {
  font-size: 1.5rem;
  letter-spacing: 0.15em;
  color: var(--accent2);
}
.upload-box p {
  font-size: 1.5rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

/* add below the existing .upload-box rules */
.upload-box.uploaded {
  border-color: var(--accent2);
  border-style: solid;
  background: rgba(59, 191, 191, 0.08);
}
.upload-box.uploaded .up-lbl {
  color: var(--accent2);
}
/* ── PANEL ── */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.panel-head {
  padding: 0.6rem 1.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Coloured dots used in panel headers */
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent2);
  display: inline-block;
  flex-shrink: 0;
}
.dot-red {
  background: var(--accent);
}
.dot-purple {
  background: var(--accent3);
}

/* ── PERIOD BADGE ── */
.period-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(59, 191, 191, 0.1);
  border: 1px solid rgba(59, 191, 191, 0.3);
  color: var(--accent2);
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-size: 1.5rem;
  flex-wrap: wrap;
}

@media (max-width: 720px) {
  .period-badge {
    display: none !important;
  }
}

.canvas-download {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(232, 249, 249, 0.92);
  border: 1px solid var(--border);
  color: var(--accent);
  width: 45px;
  height: 45px;
  border-radius: 6px;
  font-size: 2rem;
  cursor: pointer;
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.18s;
}
.canvas-download:hover {
  background: var(--accent2);
  border-color: var(--accent2);
  color: #fff;
}

.canvas-download.saved {
  background: var(--accent2);
  border-color: var(--accent2);
  color: #fff;
}

@media (max-width: 720px) {
  .canvas-download {
    width: 36px;
    height: 36px;
  }
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ════════════════════════════════════════════
   PAGE 1 — ALL ITERATIONS
════════════════════════════════════════════ */
/* #page-iterations .wrap {
  margin: 0 auto;
  padding: 0 2rem 5rem;
  width: 100%;
}

.iter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  align-items: flex-end;
  padding: 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 0.9rem;
}
.iter-cg {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.slider-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.slider-val {
  font-size: 0.75rem;
  color: var(--accent2);
  min-width: 2.5rem;
  text-align: right;
}

.iterations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.7rem;
}

.iteration-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition:
    border-color 0.2s,
    transform 0.18s;
  animation: fadeUp 0.25s ease both;
}
.iteration-item:hover {
  border-color: var(--accent2);
  transform: translateY(-2px);
}
.iteration-item canvas {
  width: 100%;
  display: block;
  image-rendering: pixelated;
}
.iteration-item h4 {
  font-size: 1.25rem;
  color: var(--accent2);
  padding: 0.38rem 0.6rem;
  border-top: 1px solid var(--border);
  font-weight: 500;
}
.iteration-item.is-period {
  border-color: rgba(192, 90, 56, 0.5);
}
.iteration-item.is-period h4 {
  color: var(--accent);
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 5rem 2rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 2;
}
.empty-state .big {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.5rem;
  opacity: 0.22;
} */

/* ════════════════════════════════════════════
   PAGE 1 — ANIMATION
════════════════════════════════════════════ */
#page-animation .wrap {
  max-width: 100%;
  margin: 0 auto;
  padding: 0 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.anim-layout {
  display: grid;
  grid-template-columns: 330px 650px 330px;
  gap: 1.4rem;
  align-items: center;
}

@media (max-width: 720px) {
  .anim-layout {
    grid-template-columns: 1fr;
  }
}
.canvas-wrap {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.canvas-wrap canvas {
  width: 100%;
  display: block;
  image-rendering: pixelated;
}

.canvas-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(232, 249, 249, 0.92);
  border: 1px solid var(--border);
  padding: 0.28rem 0.75rem;
  font-size: 1rem;
  border-radius: 6px;
  backdrop-filter: blur(6px);
  color: var(--text);
}
.canvas-badge .n {
  color: var(--text);
}

.progress-wrap {
  margin-top: 0.7rem;
}
.progress-track {
  height: 10px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent2), var(--accent3));
  width: 0%;
  transition: width 0.25s ease;
}
.progress-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.35rem;
  font-size: 1.5rem;
  color: var(--muted);
}

.speed-progress-track {
  height: 10px;
  width: 100%;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.speed-progress-fill {
  height: 10px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent3), var(--accent));
  width: 0%;
  transition:
    width 0.2s ease,
    background 0.2s ease;
  display: block;
}

.speed-progress-fill.at-limit {
  background: var(--accent);
}

.speed-progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.25rem;
}

#anim-size {
  font-size: 1.5rem;
  width: 100% !important;
}
.anim-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.sidebar-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.btn-row {
  display: flex;
  gap: 0.5rem;
}
.btn-row .btn {
  flex: 1;
}
/* .speed-lbl    { font-size: 0.7rem; color: var(--accent2); } */

/* styles.css */
.speed-stepper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.speed-btn {
  width: 36x;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #e8a050;
  color: var(--text);
  font-size: 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.18s;
  padding: 10px;
}
.speed-btn:hover {
  background: #d4853a;
  border-color: var(--accent2);
  color: var(--accent2);
}
#speed-lbl {
  font-size: 1.5rem;
  color: var(--accent2);
  min-width: 50px;
  text-align: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.input-error {
  font-size: 1rem;
  color: var(--accent);
  margin-top: 0.25rem;
}

/* ════════════════════════════════════════════
   PAGE 2 — ABOUT
════════════════════════════════════════════ */

.about-section {
  margin: 1rem;
  padding: 1rem;
}

.about-section h2 {
  font-family: "Cormorant", serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.about-section p {
  color: var(--muted);
  font-size: 1.5rem;
  line-height: 1.25;
  margin-bottom: 0.75rem;
  width: 100%;
}

.about-section em {
  color: var(--accent2);
  font-style: italic;
}

.hta-canvases {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hta-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  flex: 0 0 auto;
  transition: opacity 0.4s ease;
}
.hta-col .lbl {
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.hta-col canvas {
  border: 1px solid var(--border);
  border-radius: 5px;
  background: white;
  image-rendering: pixelated;
  width: 260px;
  height: 260px;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
}

.about-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.about-card p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.8;
  margin: 0;
}

.about-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.about-links a {
  color: var(--accent2);
  font-size: 1.5rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s;
}

.about-links a:hover {
  border-bottom-color: var(--accent2);
}

.about-steps {
  margin: 1.2rem 0 1.2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.about-steps li {
  color: var(--muted);
  font-size: 1.5rem;
  line-height: 1.25;
  padding-left: 0.4rem;
}

.about-steps li::marker {
  color: var(--accent);
  font-family: "Cormorant", serif;
  font-size: 1.5rem;
  font-weight: 600;
}

.about-list {
  margin: 0.75rem 0 0.75rem 1.5rem;
}

.about-list li {
  color: var(--muted);
  font-size: 1.5rem;
  line-height: 1.25;
  padding-left: 0.4rem;
  margin-bottom: 0.3rem;
}

.about-list li::marker {
  color: var(--accent);
}

.about-list em {
  color: var(--accent2);
  font-style: italic;
}

/* ════════════════════════════════════════════
   PAGE 3 — QR CODE
════════════════════════════════════════════ */

.qr-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 100%;
  margin: 0 auto;
}

.qr-image-wrap {
  background: #ffffff;
  border-radius: 10px;
  padding: 0;
  display: inline-flex;
}

.qr-image {
  width: 100%;
  display: block;
  image-rendering: pixelated;
}

.qr-url-wrap {
  width: 100%;
}

.qr-url {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.65rem 1rem;
  font-size: 1.5rem;
  color: var(--accent2);
  word-break: break-all;
  margin-top: 0.3rem;
}

.qr-url i {
  flex-shrink: 0;
  color: var(--muted);
}

.qr-copy-btn {
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.18s;
}

.qr-copy-btn:hover {
  border-color: var(--accent2);
  color: var(--accent2);
}

.qr-copy-btn.copied {
  border-color: var(--accent2);
  color: var(--accent2);
  background: rgba(59, 191, 191, 0.08);
}

/* ════════════════════════════════════════════
   PAGE 4 — CONTACT
════════════════════════════════════════════ */
.contact-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background-color: var(--surface);
  font-size: 1.5rem;
  margin: 0 0.5rem 0.5rem;
}

.contact-profile h1 {
  font-family: "Cormorant", serif;
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.contact-avatar-wrap {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--accent2);
  flex-shrink: 0;
}

.contact-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.contact-info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.contact-email-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  padding: 0.5rem 0.75rem;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all 0.18s;
}

.outside-link {
  background: none;
  color: var(--muted);
  padding: 0.5rem 0.75rem;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.18s;
}

.contact-image-wrap {
  display: flex;
  justify-content: center;
  flex-direction: row !important;
  overflow: hidden;
}

.contact-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border: 3px solid var(--accent2);
  width: 240px;
  height: 240px;
  margin: 0.5rem;
}

.contact-image-row {
  display: flex;
  flex-wrap: wrap;
}

.MJX-TEX,
mjx-container {
  max-width: 100%;
  overflow-x: hidden;
  overflow-y: hidden;
}

mjx-container[display="true"] {
  overflow-x: hidden;
  padding: 0.5rem 0;
}

@media (max-width: 560px) {
  mjx-container {
    font-size: 85% !important;
  }
}

/* ── Collapsible panels ─────────────────────────────────────────── */

.panel-head {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-chevron {
  margin-left: auto;
  font-size: 2rem;
  line-height: 0;
  transition: transform 0.25s ease;
  display: inline-block;
  opacity: 0.6;
}

.panel-head.collapsed .panel-chevron {
  transform: rotate(-90deg);
}

.panel-body {
  overflow: hidden;
  max-height: 800px;
  transition:
    max-height 0.3s ease,
    padding 0.3s ease,
    opacity 0.25s ease;
  opacity: 1;
}

.panel-body.collapsed {
  max-height: 0;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  opacity: 0;
}