/* ========== Dalian Zootown — Named & Known ========== */
/* Editorial natural-history + civic-tech hybrid */

:root {
  /* WARM theme (default) — coastal civic naturalism */
  --paper: #f6f7f2;
  --paper-2: #e9efe6;
  --paper-3: #d8e2d5;
  --ink: #15231d;
  --ink-2: #24362d;
  --ink-soft: #4a5a52;
  --muted: #758079;
  --rule: #c4cec2;
  --rule-soft: #d9e1d7;
  --accent: #347a4a;
  --accent-2: #245d3a;
  --accent-soft: #b9d8c2;
  --moss: #5d956d;
  --leaf: #77ad61;
  --warm: #d98a48;
  --warm-2: #b96d35;
  --berry: #bd4b45;
  --honey: #e6b34a;
  --sky: #4f93a7;
  --stone: #7f8780;
  --warn: #d68a2a;
  --ok: #4d8b3f;
  --candidate: #b8893a;
  --error: #b03c2c;
}

[data-theme="forest"] {
  --paper: #eef3ea;
  --paper-2: #e1e9dc;
  --paper-3: #cddac8;
  --ink: #14201a;
  --ink-2: #223028;
  --ink-soft: #3e4e44;
  --muted: #6f7d6b;
  --rule: #aebba1;
  --rule-soft: #cfd6c2;
  --accent: #3e6b4a;
  --accent-2: #2a4a33;
  --moss: #556b4d;
  --stone: #7d8a74;
}

[data-theme="mono"] {
  --paper: #f2f2ef;
  --paper-2: #e6e7e3;
  --paper-3: #d6d8d2;
  --ink: #17191a;
  --ink-2: #262a2c;
  --ink-soft: #43474a;
  --muted: #78767a;
  --rule: #b8bdb6;
  --rule-soft: #d6d8d2;
  --accent: #1c1e1f;
  --accent-2: #2e3234;
  --moss: #454845;
  --stone: #7a7770;
}

[data-dark="true"] {
  --paper: #181814;
  --paper-2: #20201b;
  --paper-3: #2a2a23;
  --ink: #efe8d6;
  --ink-2: #d9d0bc;
  --ink-soft: #b2a994;
  --muted: #8a8270;
  --rule: #3a3830;
  --rule-soft: #2e2c26;
  --accent: #d48255;
  --accent-2: #b86838;
  --moss: #8aa078;
  --stone: #8a8478;
  --candidate: #d4a25a;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; max-width: 100%; overflow-x: clip; }
html { scroll-behavior: smooth; }
img, svg, video, canvas { max-width: 100%; }

body {
  font-family: "Noto Sans SC", "PingFang SC", -apple-system, sans-serif;
  background:
    linear-gradient(180deg, rgba(52,122,74,.035), transparent 420px),
    var(--paper);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "kern", "ss01";
  transition: background-color .3s ease, color .3s ease;
}

.serif { font-family: "Noto Serif SC", "Songti SC", "STSong", serif; font-weight: 500; letter-spacing: .01em; }
.mono { font-family: "JetBrains Mono", "SF Mono", Menlo, monospace; font-feature-settings: "tnum"; }

h1, h2, h3, h4 { font-family: "Noto Serif SC", "Songti SC", serif; font-weight: 500; color: var(--ink); letter-spacing: .01em; margin: 0; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; padding: 0; }

/* ========== Layout ========== */
.app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}
.page { min-height: 100vh; padding-bottom: 120px; }

/* ========== Top bar ========== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  z-index: 50;
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(21, 35, 29, .06);
}
.topbar-inner { max-width: 1280px; margin: 0 auto; width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 18px; position: relative; }
.brand { display: flex; align-items: baseline; gap: 14px; }
.brand-mark {
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: .03em;
  white-space: nowrap;
}
.brand-mark .accent { color: var(--accent); }
.brand-sub {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
}
@media (max-width: 1340px) {
  .brand-sub { display: none; }
}
.nav { display: flex; gap: 2px; align-items: center; flex-wrap: nowrap; }
.nav a {
  padding: 8px 10px;
  font-size: 13px;
  color: var(--ink-soft);
  border-radius: 2px;
  transition: color .2s ease, background-color .2s ease;
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav a > span { white-space: nowrap; }
.nav a:hover { color: var(--ink); background: var(--paper-2); }
.nav a.active { color: var(--accent); font-weight: 500; }
.nav a .en { font-family: "JetBrains Mono", monospace; font-size: 10px; color: var(--muted); letter-spacing: .1em; }
.nav a.active .en { color: var(--accent); opacity: .7; }

.topbar-actions { display: flex; align-items: center; gap: 10px; }
.mobile-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  flex: 0 0 auto;
}
.mobile-nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 13px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  border-radius: 2px;
  transition: transform .1s ease, background-color .2s ease;
  letter-spacing: .02em;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn:disabled {
  cursor: not-allowed;
  opacity: .45;
  filter: grayscale(.2);
}
.btn:disabled:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
}
.btn-ghost:hover { border-color: var(--ink); background: transparent; }
.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
}
.btn-accent:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 14px 24px; font-size: 14px; }

/* ========== Labels & chips ========== */
.kicker {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}
.kicker .dot { color: var(--accent); margin-right: 8px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 11.5px;
  border: 1px solid var(--rule);
  border-radius: 99px;
  color: var(--ink-soft);
  background: var(--paper);
}
.chip.accent { border-color: var(--accent); color: var(--accent); }
.chip.ok { border-color: var(--ok); color: var(--ok); }
.chip.warn { border-color: var(--warn); color: var(--warn); }
.chip.candidate { border-color: var(--candidate); color: var(--candidate); }

.status-dot {
  width: 6px; height: 6px; border-radius: 99px;
  background: var(--ok);
  display: inline-block;
}
.status-dot.warn { background: var(--warn); }
.status-dot.candidate { background: var(--candidate); }

/* ========== Rules ========== */
.rule { border: 0; border-top: 1px solid var(--rule); margin: 0; }
.rule-soft { border-top-color: var(--rule-soft); }
.rule-dashed { border-top-style: dashed; }
.rule-double { border-top: 3px double var(--rule); }

/* ========== Deer photo placeholder ========== */
.deer-portrait {
  position: relative;
  width: 100%;
  background:
    repeating-linear-gradient(
      135deg,
      var(--c1, #3a2a1f) 0 1px,
      transparent 1px 7px
    ),
    linear-gradient(180deg, var(--c2, #7a5a3e) 0%, var(--c3, #c19876) 100%);
  overflow: hidden;
  border: 1px solid var(--rule);
}
.deer-portrait::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 40%, transparent 0%, rgba(0,0,0,.25) 100%);
}
.deer-portrait-label {
  position: absolute;
  left: 10px; bottom: 10px;
  max-width: calc(100% - 20px);
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5px;
  color: rgba(255,255,255,.82);
  letter-spacing: .12em;
  text-transform: uppercase;
  background: rgba(0,0,0,.32);
  padding: 3px 8px;
  border: 1px solid rgba(255,255,255,.18);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.deer-portrait-id {
  position: absolute;
  right: 10px; top: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5px;
  color: rgba(255,255,255,.85);
  letter-spacing: .12em;
  background: rgba(0,0,0,.35);
  padding: 3px 8px;
  white-space: nowrap;
}

/* ========== Cards ========== */
.card {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 20px;
  transition: border-color .2s ease;
}
.card:hover { border-color: var(--ink); }

.deer-card {
  display: block;
  background: var(--paper);
  border: 1px solid var(--rule);
  overflow: hidden;
  transition: transform .25s ease, border-color .2s ease;
  cursor: pointer;
}
.deer-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.deer-card .portrait { aspect-ratio: 4 / 5; }
.deer-card .meta { padding: 14px 16px 18px; }
.deer-card .name { font-family: "Noto Serif SC", serif; font-size: 18px; font-weight: 500; color: var(--ink); display: flex; align-items: baseline; gap: 8px; }
.deer-card .name .id { font-family: "JetBrains Mono", monospace; font-size: 10px; color: var(--muted); letter-spacing: .1em; font-weight: 400; }
.deer-card .tagline { font-size: 12px; color: var(--muted); margin-top: 4px; }
.deer-card .bottom { margin-top: 12px; display: flex; justify-content: space-between; align-items: center; font-family: "JetBrains Mono", monospace; font-size: 10.5px; color: var(--ink-soft); letter-spacing: .08em; }

/* ========== Observation row ========== */
.obs-row {
  display: grid;
  grid-template-columns: 88px 1.2fr 1.8fr 1.4fr 120px;
  gap: 16px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--rule-soft);
  align-items: center;
  font-size: 13px;
  transition: background-color .15s ease;
}
.obs-row:hover { background: var(--paper-2); }
.obs-row .mono { font-size: 11px; color: var(--muted); letter-spacing: .08em; }
.obs-row .deer-name { font-family: "Noto Serif SC", serif; font-size: 15px; color: var(--ink); }
.obs-row .note { color: var(--ink-soft); font-size: 12.5px; }

/* ========== Hero ========== */
.hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--rule);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: end;
}
.hero-title {
  font-family: "Noto Serif SC", serif;
  font-size: 68px;
  line-height: 1.06;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--ink);
}
.hero-title .underline {
  background-image: linear-gradient(var(--accent-soft, #c5dab9), var(--accent-soft, #c5dab9));
  background-repeat: no-repeat;
  background-position: 0 92%;
  background-size: 100% 14px;
  padding: 0 .08em;
}
.hero-quote {
  font-family: "Noto Serif SC", serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  font-style: italic;
  padding-left: 18px;
  border-left: 2px solid var(--accent);
  margin: 28px 0;
}
.hero-quote-author { display: block; font-style: normal; font-family: "JetBrains Mono", monospace; font-size: 10.5px; color: var(--muted); margin-top: 10px; letter-spacing: .14em; text-transform: uppercase; }

.hero-art {
  position: relative;
  aspect-ratio: 4 / 5;
  background:
    repeating-linear-gradient(135deg, #241712 0 1px, transparent 1px 7px),
    linear-gradient(180deg, #3a2820 0%, #6a4b35 60%, #9a7452 100%);
  border: 1px solid var(--rule);
  overflow: hidden;
}
.hero-art::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 40% 35%, transparent 0%, rgba(0,0,0,.42) 100%);
}
.hero-art-caption {
  position: absolute; bottom: 18px; left: 18px; right: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  color: rgba(255,255,255,.82);
  letter-spacing: .14em;
  text-transform: uppercase;
  z-index: 1;
  display: flex; justify-content: space-between; gap: 20px;
}
.hero-art-id {
  position: absolute; top: 18px; left: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  color: rgba(255,255,255,.82);
  letter-spacing: .14em;
  z-index: 1;
  border: 1px solid rgba(255,255,255,.24);
  padding: 6px 12px;
}
.hero-art-id .dot { color: #d48255; margin-right: 8px; }

/* ========== Section ========== */
.section { padding: 72px 0; border-bottom: 1px solid var(--rule); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  gap: 40px;
}
.section-head h2 {
  font-size: 40px;
  line-height: 1.1;
  max-width: 600px;
}
.section-head .side {
  max-width: 340px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* ========== Tweaks panel ========== */
.tweaks {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 280px;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 18px 18px 16px;
  z-index: 1000;
  font-size: 12px;
  display: none;
  box-shadow: 0 12px 40px rgba(0,0,0,.15);
}
.tweaks.on { display: block; }
.tweaks-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex; justify-content: space-between;
}
.tweaks-row { margin-bottom: 12px; }
.tweaks-row:last-child { margin-bottom: 0; }
.tweaks-label {
  font-size: 11px;
  color: var(--ink-soft);
  margin-bottom: 6px;
  font-family: "JetBrains Mono", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.tweaks-opts { display: flex; gap: 6px; flex-wrap: wrap; }
.tweaks-opt {
  padding: 6px 10px;
  font-size: 11px;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color .15s ease;
}
.tweaks-opt.on { border-color: var(--ink); color: var(--ink); background: var(--paper-2); }
.tweaks-opt:hover { border-color: var(--ink); }

/* ========== Upload flow ========== */
.upload-stepper {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 40px;
}
.upload-step {
  flex: 1;
  padding: 18px 18px 20px;
  border-right: 1px solid var(--rule);
  cursor: pointer;
  position: relative;
}
.upload-step:last-child { border-right: 0; }
.upload-step.active { background: var(--paper-2); }
.upload-step.done { opacity: .65; }
.upload-step .num { font-family: "JetBrains Mono", monospace; font-size: 10px; color: var(--muted); letter-spacing: .16em; }
.upload-step .label { font-family: "Noto Serif SC", serif; font-size: 16px; margin-top: 6px; color: var(--ink); }
.upload-step.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--accent);
}

/* ========== Forms ========== */
.form-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  color: var(--muted);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 12px 14px;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  border-radius: 2px;
  transition: border-color .15s ease;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--ink);
}
.form-textarea { resize: vertical; min-height: 90px; font-family: inherit; }
.form-grid { display: grid; gap: 22px; }
.form-hint {
  margin-top: 10px;
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.form-hint.warn { color: var(--warn); }

/* ========== Map ========== */
.map-canvas {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  overflow: hidden;
}
.map-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--rule-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule-soft) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: .5;
}
.map-coast {
  position: absolute; inset: 0;
  fill: var(--paper-3);
  stroke: var(--rule);
}
.hotspot {
  position: absolute;
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 99px;
  transform: translate(-50%, -50%);
  cursor: pointer;
  box-shadow: 0 0 0 0 rgba(184,101,58,.5);
  animation: pulse 3s ease-out infinite;
}
.hotspot::after {
  content: ""; position: absolute; inset: -4px;
  border: 1px solid var(--accent);
  border-radius: 99px;
  opacity: .4;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(184,101,58,.5); }
  70% { box-shadow: 0 0 0 22px rgba(184,101,58,0); }
  100% { box-shadow: 0 0 0 0 rgba(184,101,58,0); }
}
.hotspot-label {
  position: absolute;
  transform: translate(-50%, 10px);
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--ink);
  background: var(--paper);
  padding: 3px 8px;
  border: 1px solid var(--rule);
  white-space: nowrap;
  pointer-events: none;
}
.hotspot-label.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ========== Footer ========== */
.footer {
  padding: 60px 0 48px;
  border-top: 1px solid var(--rule);
  background: var(--paper-2);
  color: var(--ink-soft);
  font-size: 12px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}
.footer h4 { font-family: "JetBrains Mono", monospace; font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); font-weight: 500; margin-bottom: 14px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer a:hover { color: var(--ink); }

/* ========== Tiny utilities ========== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.grid { display: grid; }
.mt-2 { margin-top: 8px; } .mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; } .mt-8 { margin-top: 32px; } .mt-10 { margin-top: 40px; } .mt-12 { margin-top: 48px; }
.mb-2 { margin-bottom: 8px; } .mb-4 { margin-bottom: 16px; } .mb-6 { margin-bottom: 24px; } .mb-8 { margin-bottom: 32px; }
.text-muted { color: var(--muted); }
.text-soft { color: var(--ink-soft); }
.text-accent { color: var(--accent); }
.text-sm { font-size: 12.5px; }
.text-xs { font-size: 11px; }
.text-lg { font-size: 17px; }
.text-xl { font-size: 22px; }
.fw-500 { font-weight: 500; }
.uppercase { text-transform: uppercase; letter-spacing: .14em; }

/* Number display */
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-n { font-family: "Noto Serif SC", serif; font-size: 40px; font-weight: 500; color: var(--ink); line-height: 1; font-feature-settings: "tnum"; letter-spacing: 0; }
.stat-l { font-family: "JetBrains Mono", monospace; font-size: 10.5px; letter-spacing: .14em; color: var(--muted); text-transform: uppercase; }
.stat-d { font-size: 12px; color: var(--ink-soft); }

.review-lock-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 96px;
  height: 34px;
  margin-bottom: 24px;
  border: 1px solid var(--rule);
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: .16em;
  background: var(--paper-2);
}

@media (max-width: 1180px) {
  .app { padding: 0 28px; }
  .topbar { padding: 14px 20px; }
  .brand { flex-direction: column; align-items: flex-start; gap: 2px; }
  .nav a .en { display: none; }
  .topbar-actions .btn { padding-inline: 12px; }
  .section { padding: 60px 0; }
}

@media (max-width: 900px) {
  .topbar-inner { align-items: center; }
  .brand-mark { font-size: 16px; white-space: normal; line-height: 1.25; }
  .brand-sub { display: none; }
  .mobile-nav-toggle { display: inline-flex; margin-left: auto; }
  .topbar-actions { display: none; }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 12px);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 12px;
    background: var(--paper);
    border: 1px solid var(--rule);
    box-shadow: 0 18px 48px rgba(21,35,29,.18);
  }
  .nav.open { display: grid; }
  .nav a {
    min-height: 44px;
    justify-content: center;
    border: 1px solid var(--rule-soft);
    background: var(--paper-2);
    border-radius: 6px;
  }
  .nav a.active {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
  }
  .nav a.active .en { color: var(--paper); }
  .section-head {
    display: grid;
    align-items: start;
    gap: 18px;
  }
  .section-head .side { max-width: 680px; }
  .upload-stepper {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
  }
  .upload-step {
    min-width: 156px;
    scroll-snap-align: start;
  }
}

@media (max-width: 760px) {
  .app { padding: 0 20px; }
  .page { padding-bottom: 72px; }
  .section { padding: 48px 0; }
  .section-head h2,
  h1.serif {
    font-size: clamp(32px, 10vw, 44px) !important;
    line-height: 1.12 !important;
  }
  .section-head h2 { padding-left: 16px; }
  .section-head h2::before { width: 4px; top: 8px; bottom: 10px; }
  .kicker { letter-spacing: .16em; }

  .app [style*="grid-template-columns: 1.3fr 1fr"],
  .app [style*="grid-template-columns: 1.2fr 1fr"],
  .app [style*="grid-template-columns: 1.6fr 1fr"],
  .app [style*="grid-template-columns: 1.4fr 1fr"],
  .app [style*="grid-template-columns: 1fr 1.2fr"],
  .app [style*="grid-template-columns: 320px 1fr"],
  .app [style*="grid-template-columns: 110px 180px 1fr 130px"],
  .app [style*="grid-template-columns: 140px 20px 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
  .form-grid[style*="grid-template-columns: 1fr 1fr"],
  .app [style*="grid-template-columns: repeat(4, 1fr)"],
  .app > [style*="grid-template-columns: repeat(3, 1fr)"],
  .section .app > [style*="grid-template-columns: repeat(3, 1fr)"] {
    grid-template-columns: 1fr !important;
  }
  .app [style*="grid-template-columns: repeat(5, 1fr)"] {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 14px !important;
  }
  .app [style*="grid-template-columns: repeat(2, 1fr)"] {
    grid-template-columns: 1fr !important;
  }
  .obs-row {
    grid-template-columns: 1fr !important;
    gap: 6px !important;
    padding: 16px;
    border: 1px solid var(--rule);
    margin-bottom: 10px;
    background: var(--paper);
  }
  .obs-row[style*="font-family"] { display: none !important; }
  .obs-row .note { font-size: 13px; }
  .footer-grid { grid-template-columns: 1fr; padding: 0 20px; gap: 28px; }
  .footer > div[style*="max-width: 1280"] {
    padding: 0 20px !important;
    flex-wrap: wrap;
    justify-content: flex-start !important;
    gap: 12px 20px;
  }
  .stat-n { font-size: 34px; }
  .chip { white-space: normal; }
  .tweaks { left: 20px; right: 20px; bottom: 20px; width: auto; }
}

@media (max-width: 480px) {
  .topbar { padding: 12px 14px; }
  .app { padding: 0 16px; }
  .nav { grid-template-columns: 1fr; }
  .brand-mark { max-width: 260px; }
  .btn { width: 100%; justify-content: center; }
  .btn-sm { width: auto; }
  .app [style*="display: flex"][style*="gap: 10"],
  .app [style*="display: flex"][style*="gap: 12"] {
    flex-wrap: wrap !important;
  }
}

/* Scrollbar */
@keyframes shimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--paper-2); }
::-webkit-scrollbar-thumb { background: var(--rule); }
::-webkit-scrollbar-thumb:hover { background: var(--ink-soft); }