/* ============================================================
   SnapPDF — dark professional business theme
   Deep navy surfaces, cool near-white text, blue primary,
   and the red-pen correction motif as the product signature.
   Chrome: Space Grotesk · Body: Inter · Text layer: IBM Plex Mono
   ============================================================ */

:root {
  --bg: #070B15;
  --bg-alt: #0B1120;
  --surface: #0F172A;
  --surface-2: #121C34;
  --border: #1E2A44;
  --border-soft: #182238;
  --text: #EDF1F8;
  --text-2: #A6B0C6;
  --text-3: #6B7890;
  --blue: #4F7CFF;
  --blue-deep: #2F55E0;
  --indigo: #8B7BFF;
  --red: #FF5B4D;
  --red-soft: rgba(255, 91, 77, 0.13);
  --green: #34C77B;
  --green-soft: rgba(52, 199, 123, 0.13);
  --radius: 14px;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
  --glow: 0 0 0 1px rgba(79, 124, 255, 0.25), 0 12px 40px rgba(47, 85, 224, 0.22);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(79, 124, 255, 0.35); color: #fff; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }
.muted { color: var(--text-3); }

/* ---- buttons ----------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: 500 14px var(--font-body);
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 16px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s, transform 0.06s, box-shadow 0.15s;
}
.btn:hover:not(:disabled) { border-color: var(--text-3); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: default; }
.btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 24px rgba(47, 85, 224, 0.35);
}
.btn-primary:hover:not(:disabled) { border-color: transparent; filter: brightness(1.08); box-shadow: 0 10px 28px rgba(47, 85, 224, 0.45); }

.btn-ghost { background: transparent; border-color: var(--border); color: var(--text-2); }
.btn-ghost:hover:not(:disabled) { color: var(--text); border-color: var(--text-3); }

.btn-sm { padding: 8px 13px; font-size: 13px; }
.btn-lg { padding: 14px 24px; font-size: 15px; border-radius: 12px; }

/* ---- header ----------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(7, 11, 21, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}

.header-row {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 66px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.wordmark-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--blue), var(--indigo));
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 4px 14px rgba(47, 85, 224, 0.4);
}
.wordmark-mark svg { width: 18px; height: 18px; }

.main-nav { display: flex; gap: 26px; margin-left: 8px; }
.main-nav a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}
.main-nav a:hover { color: var(--text); }

.header-actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }

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

.hero {
  position: relative;
  padding: 96px 0 40px;
  background:
    radial-gradient(1100px 520px at 50% -140px, rgba(79, 124, 255, 0.16), transparent 62%),
    radial-gradient(800px 420px at 88% 8%, rgba(139, 123, 255, 0.1), transparent 60%),
    var(--bg);
}

.hero-inner { text-align: center; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 500 12.5px var(--font-body);
  color: var(--text-2);
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  border-radius: 50px;
  padding: 6px 14px;
  margin-bottom: 26px;
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(52, 199, 123, 0.18);
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 62px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
}

.grad {
  background: linear-gradient(100deg, #7FA0FF, #A79CFF 70%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.lede {
  font-size: 17px;
  color: var(--text-2);
  max-width: 620px;
  margin: 0 auto 32px;
}

.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }

.trust-row {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--border-soft);
}
.trust-row li {
  font: 500 13px var(--font-mono);
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 8px;
}
.trust-row li::before {
  content: "";
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--blue);
}

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

.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }

.eyebrow {
  font: 600 12px var(--font-display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin: 0 0 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 42px;
  max-width: 640px;
}

/* ---- tool card ---------------------------------------------------------- */

.tool { padding: 40px 0 20px; scroll-margin-top: 90px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.drop { cursor: pointer; transition: border-color 0.15s, transform 0.15s; }
.drop:hover, .drop:focus-visible { border-color: var(--blue); outline: none; }
.drop:focus-visible { box-shadow: var(--glow); }
.drop.dragover { border-color: var(--blue); border-style: dashed; transform: scale(1.004); }

.drop-inner {
  padding: 72px 24px;
  text-align: center;
  border-radius: calc(var(--radius) - 4px);
  border: 2px dashed var(--border);
  margin: 10px;
  transition: border-color 0.15s;
}
.drop:hover .drop-inner, .drop.dragover .drop-inner { border-color: rgba(79, 124, 255, 0.55); }

.drop-icon {
  width: 48px;
  height: 48px;
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.5;
  margin: 0 auto 16px;
  display: block;
  filter: drop-shadow(0 6px 18px rgba(47, 85, 224, 0.4));
}

.drop-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 8px;
}

.drop-sub { margin: 0; color: var(--text-2); font-size: 14.5px; }
.drop-note { margin: 12px 0 0; color: var(--text-3); font-size: 13px; }
.drop-example {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
  color: var(--text-3);
  font-size: 13.5px;
}

.linklike {
  font: inherit;
  color: var(--blue);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- editor -------------------------------------------------------------- */

.editor { padding: 26px; margin-top: 18px; }

.editor-head { display: flex; gap: 20px; margin-bottom: 18px; }

.thumb-wrap {
  width: 100px;
  height: 130px;
  flex: none;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-alt);
}
.thumb-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }

.page-strip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 2px 2px 8px;
  margin-bottom: 18px;
  -webkit-overflow-scrolling: touch;
}

.page-tile {
  position: relative;
  flex: none;
  width: 52px;
  height: 68px;
  padding: 0;
  border: 2px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-alt);
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.page-tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
.page-tile.active { border-color: var(--blue); box-shadow: var(--glow); transform: translateY(-2px); }
.page-num {
  position: absolute;
  left: 4px;
  bottom: 4px;
  font: 700 10px var(--font-mono);
  color: #fff;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 4px;
  padding: 1px 5px;
}
.page-rm {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 17px;
  height: 17px;
  line-height: 15px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: rgba(255, 91, 77, 0.92);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.15s;
}
.page-tile:hover .page-rm, .page-tile:focus-visible .page-rm { opacity: 1; }
@media (hover: none) { .page-rm { opacity: 1; } }

.page-add {
  flex: none;
  min-width: 66px;
  height: 68px;
  padding: 0 10px;
  border: 2px dashed var(--border);
  border-radius: 10px;
  background: none;
  color: var(--text-2);
  font: 500 12px var(--font-body);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.page-add:hover, .page-add:focus-visible { border-color: var(--blue); color: var(--blue); outline: none; }

.editor-head-cols { flex: 1; min-width: 0; }

.field-label {
  display: block;
  font: 600 11.5px var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 7px;
}

.title-input, .text-input {
  width: 100%;
  font: 500 16px var(--font-body);
  color: var(--text);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 13px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.title-input:focus, .text-input:focus, .text-area:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.18); }

.meta-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  font: 400 12px var(--font-mono);
  color: var(--text-3);
  margin-top: 12px;
}

.unc-badge {
  font: 500 11.5px var(--font-mono);
  color: var(--red);
  background: var(--red-soft);
  border: 1px solid rgba(255, 91, 77, 0.35);
  border-radius: 50px;
  padding: 3px 10px;
  cursor: pointer;
}
.unc-badge:hover { background: rgba(255, 91, 77, 0.22); }

.lang-chip {
  font: 500 11.5px var(--font-mono);
  color: var(--blue);
  background: rgba(79, 124, 255, 0.12);
  border: 1px solid rgba(79, 124, 255, 0.35);
  border-radius: 50px;
  padding: 3px 10px;
}

.lang-prompt {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
  padding: 8px 12px;
  background: rgba(79, 124, 255, 0.08);
  border: 1px solid rgba(79, 124, 255, 0.3);
  border-radius: 10px;
  font: 400 12.5px var(--font-body);
  color: var(--text-2);
}
.lang-prompt-text { flex: 1; min-width: 200px; }

.text-area-wrap { display: flex; flex-direction: column; gap: 10px; }

.text-area {
  width: 100%;
  min-height: 340px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-alt);
  color: var(--text);
  resize: vertical;
  white-space: pre-wrap;
  word-break: break-word;
  transition: border-color 0.15s;
}
.text-area:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.15); }

/* Optional read-only preview of uncertain words, shown below the editable
   textarea (never covering it) when the user toggles the badge. */
.text-overlay {
  width: 100%;
  max-height: 220px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  padding: 14px 18px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: var(--bg-alt);
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  pointer-events: none;
}

.text-overlay .unc {
  color: var(--red);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  background: var(--red-soft);
  border-radius: 3px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.toolbar-group { display: flex; gap: 8px; flex-wrap: wrap; }

.quota-note {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: var(--text-3);
  line-height: 1.55;
}

.ai-mark {
  font: 700 9.5px var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(135deg, rgba(255, 91, 77, 0.18), rgba(255, 91, 77, 0.12));
  color: var(--red);
  border-radius: 5px;
  padding: 2px 5px;
  vertical-align: 1px;
}

.busy {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--text-2);
}

.scan {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- features -------------------------------------------------------------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature { padding: 26px; }

.feature-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: rgba(79, 124, 255, 0.12);
  border: 1px solid rgba(79, 124, 255, 0.3);
  color: var(--blue);
  font-size: 19px;
  margin-bottom: 16px;
}

.feature h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 8px;
}

.feature p { font-size: 14px; color: var(--text-2); margin: 0; line-height: 1.6; }

/* ---- proof ---------------------------------------------------------------- */

.proof {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: stretch;
  max-width: 900px;
}

.proof-col {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.proof-tag {
  display: inline-block;
  font: 600 11px var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.tag-red { background: var(--red-soft); color: var(--red); border: 1px solid rgba(255, 91, 77, 0.3); }
.tag-green { background: var(--green-soft); color: var(--green); border: 1px solid rgba(52, 199, 123, 0.3); }

.proof-garbage, .proof-clean {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.8;
  margin: 0;
}

.proof-garbage span { font-weight: 500; color: var(--text-2); }

.proof-garbage mark {
  background: none;
  color: var(--red);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  padding: 0 1px;
}

.proof-clean span { font-weight: 500; color: var(--green); }

.proof-arrow {
  align-self: center;
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--blue);
}

.proof-caption {
  max-width: 720px;
  font-size: 13.5px;
  color: var(--text-3);
  margin: 26px 0 0;
}

/* ---- process ---------------------------------------------------------------- */

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.process-list li {
  border-top: 3px solid var(--border);
  padding-top: 20px;
  transition: border-color 0.2s;
}
.process-list li:hover { border-color: var(--blue); }

.step-num {
  font: 600 13px var(--font-mono);
  color: var(--blue);
  letter-spacing: 0.06em;
}

.process-list h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  margin: 8px 0 8px;
}

.process-list p { font-size: 14px; color: var(--text-2); margin: 0; }

/* ---- languages ---------------------------------------------------------------- */

.lang-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  max-width: 900px;
}

.lang-strip li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 12px;
  transition: border-color 0.15s, transform 0.15s;
}
.lang-strip li:hover { border-color: rgba(79, 124, 255, 0.5); transform: translateY(-2px); }

.lang-script { font-size: 22px; font-family: var(--font-body); }

.lang-name {
  font: 600 12px var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
}

.lang-note { font-size: 13.5px; color: var(--text-3); margin: 22px 0 0; }

/* ---- CTA ------------------------------------------------------------------------ */

.cta {
  text-align: center;
  padding: 64px 32px;
  background:
    radial-gradient(600px 260px at 50% -40px, rgba(79, 124, 255, 0.18), transparent 65%),
    var(--surface);
}

.cta h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.cta p { color: var(--text-2); margin: 0 0 28px; }

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

.site-footer {
  border-top: 1px solid var(--border-soft);
  background: var(--bg-alt);
  margin-top: 40px;
}

.footer-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.6fr;
  gap: 34px;
  padding-top: 52px;
  padding-bottom: 40px;
}

.footer-brand .wordmark-mark { margin-bottom: 12px; }
.footer-brand .wordmark-name { font-family: var(--font-display); font-weight: 700; font-size: 17px; }
.footer-tag { font-size: 13px; color: var(--text-3); margin: 8px 0 0; }

.footer-col h4 {
  font: 600 12px var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 14px;
}

.footer-col a {
  display: block;
  color: var(--text-2);
  text-decoration: none;
  font-size: 14px;
  padding: 4px 0;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--text); }

.footer-privacy { font-size: 13px; color: var(--text-3); margin: 0; line-height: 1.6; }

.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding-top: 18px;
  padding-bottom: 22px;
}
.footer-bottom p { font-size: 12.5px; color: var(--text-3); margin: 0; }

/* ---- modal ------------------------------------------------------------------------ */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(3, 6, 12, 0.7);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  z-index: 50;
  padding: 20px;
}

.modal-card {
  width: 100%;
  max-width: 470px;
  padding: 28px;
  max-height: 88vh;
  overflow: auto;
}

.modal-card h2 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  margin: 0 0 18px;
}

.modal-card .field-label { margin-top: 16px; }

.hint { font-size: 12.5px; color: var(--text-3); margin: 8px 0 0; }

.privacy-note {
  font-size: 12.5px;
  color: var(--text-2);
  background: var(--bg-alt);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 13px 15px;
  margin: 20px 0 0;
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
}
.modal-actions .spacer { flex: 1; }

.lang-list { display: grid; gap: 7px; }

.lang-list button {
  font: 500 15px var(--font-body);
  text-align: left;
  padding: 13px 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-alt);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}
.lang-list button:hover { border-color: var(--blue); background: var(--surface-2); }

.result-meta { margin: -8px 0 12px; }

.origin-tag {
  display: inline-block;
  font: 600 11px var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(52, 199, 123, 0.12);
  border-radius: 6px;
  padding: 3px 8px;
}
.origin-tag.origin-ai {
  color: var(--blue);
  background: rgba(79, 124, 255, 0.14);
}

.limit-body {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-2);
  margin: 0 0 6px;
}

.limit-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.limit-actions .spacer { flex: 1; }

.result-body {
  max-height: 52vh;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-alt);
}
.result-body pre {
  margin: 0;
  padding: 15px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---- toast ------------------------------------------------------------------------ */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13.5px;
  padding: 12px 20px;
  border-radius: 11px;
  box-shadow: var(--shadow);
  z-index: 70;
  max-width: 90vw;
}

/* ---- responsive -------------------------------------------------------------------- */

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .hero { padding-top: 64px; }
  .proof { grid-template-columns: 1fr; }
  .proof-arrow { transform: rotate(90deg); justify-self: center; }
  .process-list { grid-template-columns: 1fr; gap: 26px; }
  .lang-strip { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-row { grid-template-columns: 1fr; gap: 26px; }
  .editor-head { flex-direction: column; }
  .thumb-wrap { width: 100%; height: 190px; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar-group { justify-content: stretch; }
  .toolbar-group .btn { flex: 1; }
}

/* ---- reduced motion ----------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .scan { animation: none; }
  * { transition: none !important; }
  html { scroll-behavior: auto; }
}