/* Workspace2PDF — restrained, document-oriented interface.
   A quiet productivity utility, not a marketing landing page. */

:root {
  --bg: #ffffff;
  --surface: #f7f6f3;
  --text: #37352f;
  --text-2: #787774;
  --text-3: #9b9a97;
  --border: rgba(55, 53, 47, 0.16);
  --border-strong: rgba(55, 53, 47, 0.28);
  --hover: rgba(55, 53, 47, 0.06);
  --action: #2f2f2f;
  --action-hover: #1f1f1f;
  --action-text: #ffffff;
  --success: #487a52;
  --success-surface: #eef3ee;
  --error: #b0332c;
  --error-surface: #fbecea;
  --link: #37352f;

  --r: 6px;
  --r-sm: 4px;
  --max: 1120px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--link); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--border-strong); }
a:hover { text-decoration-color: currentColor; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.05em 0.35em;
  border-radius: var(--r-sm);
}

.muted { color: var(--text-2); }
.center { text-align: center; }

h1, h2, h3 { font-weight: 600; letter-spacing: -0.01em; }

:focus-visible {
  outline: 2px solid var(--action);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 32px; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand svg { display: block; color: var(--text); }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s var(--ease);
}
.nav a:hover { color: var(--text); }

/* ---------- Hero / converter ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 56px;
  align-items: start;
  padding: 72px 0 64px;
}
.hero-copy { padding-top: 6px; }
.hero-copy h1 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3rem);
  line-height: 1.12;
}
.hero-copy .lead {
  margin: 20px 0 0;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-2);
  max-width: 42ch;
}
.hero-copy .lead strong { color: var(--text); font-weight: 500; }

.privacy-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 28px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  font-size: 0.92rem;
  color: var(--text-2);
  max-width: 44ch;
}
.privacy-note svg { flex: none; margin-top: 1px; color: var(--text-3); }
.privacy-note strong { color: var(--text); font-weight: 500; }

/* Converter panel */
.converter { min-width: 0; }

.dropzone {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r);
  background: var(--surface);
  padding: 44px 28px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease),
    box-shadow 0.16s var(--ease);
}
.dropzone:hover { background: var(--hover); border-color: var(--border-strong); }
.dropzone.drag {
  border-color: var(--action);
  border-style: solid;
  background: var(--bg);
  box-shadow: inset 0 0 0 1px var(--action);
}
.dz-icon { color: var(--text-3); margin-bottom: 12px; transition: color 0.16s var(--ease); }
.dropzone:hover .dz-icon, .dropzone.drag .dz-icon { color: var(--text-2); }
.dz-icon svg { display: block; margin: 0 auto; }
.dz-main { font-size: 1.02rem; font-weight: 500; margin: 0 0 4px; color: var(--text); }
.dz-main code { font-size: 0.86em; }
.dz-alt { margin: 0; color: var(--text-2); font-size: 0.92rem; }
.dz-hint {
  margin: 16px auto 0;
  max-width: 40ch;
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--text-3);
}

.local-note {
  display: flex;
  align-items: center;
  gap: 7px;
  justify-content: center;
  margin: 14px 0 0;
  font-size: 0.84rem;
  color: var(--text-2);
}
.local-note svg { color: var(--success); flex: none; }

/* Status / processing */
.status {
  margin: 16px 0 0;
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface);
  font-size: 0.92rem;
  color: var(--text-2);
}
.status.error {
  background: var(--error-surface);
  border-color: rgba(176, 51, 44, 0.28);
  color: var(--error);
}

/* Result */
.result { margin-top: 20px; }
.result-head {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: flex-end;
}
.result-head h2 { margin: 0; font-size: 1.1rem; }
.result-head .muted { margin: 4px 0 0; font-size: 0.88rem; }
.result-actions { display: flex; gap: 8px; }
.warnings {
  margin: 14px 0 0;
  padding: 11px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  font-size: 0.86rem;
  color: var(--text-2);
  max-height: 130px;
  overflow-y: auto;
}
.warnings strong { color: var(--text); font-weight: 500; }
.preview-frame-wrap {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  background: #fff;
}
#preview { width: 100%; height: 480px; border: 0; background: #fff; display: block; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: var(--r-sm);
  padding: 8px 15px;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease),
    color 0.15s var(--ease);
}
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--action); border-color: var(--action); color: var(--action-text); }
.btn.primary:hover { background: var(--action-hover); border-color: var(--action-hover); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.btn.ghost:hover { background: var(--hover); color: var(--text); }

/* ---------- Sections ---------- */
.section { padding: 56px 0; border-top: 1px solid var(--border); }
.section > .wrap > h2 {
  margin: 0 0 4px;
  font-size: 1.35rem;
}
.section-intro { margin: 0 0 30px; color: var(--text-2); font-size: 0.98rem; max-width: 52ch; }

/* Workflow (Export → Drop → Download) */
.workflow-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.workflow-step {
  padding: 4px 28px 4px 0;
  border-left: 1px solid var(--border);
  padding-left: 22px;
}
.workflow-step:first-child { border-left: 0; padding-left: 0; }
.workflow-num {
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-3);
  font-weight: 500;
}
.workflow-step h3 { margin: 8px 0 6px; font-size: 1rem; font-weight: 500; }
.workflow-step p { margin: 0; color: var(--text-2); font-size: 0.92rem; line-height: 1.55; }
.workflow-step em { font-style: normal; color: var(--text); }

/* Capabilities checklist */
.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 40px;
}
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.96rem;
}
.checklist svg { flex: none; margin-top: 3px; color: var(--success); }
.checklist b { font-weight: 500; }
.checklist span { display: block; color: var(--text-2); font-size: 0.86rem; margin-top: 1px; }

/* Pricing */
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}
.plan {
  padding: 24px 22px;
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.plan:first-child { border-left: 0; }
.plan.featured { background: var(--surface); }
.plan-name {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
}
.plan-free-note {
  font-size: 0.82rem;
  color: var(--text-3);
  padding: 8px 0;
  border-top: 1px solid var(--border);
}
.price { font-size: 1.6rem; font-weight: 600; margin: 12px 0 2px; letter-spacing: -0.02em; }
.price small { font-size: 0.8rem; font-weight: 400; color: var(--text-3); }
.plan ul {
  list-style: none;
  padding: 0;
  margin: 12px 0 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.plan ul li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.45;
}
.plan ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: var(--border-strong);
}
.plan .btn { width: 100%; }
.pricing-foot { margin: 22px 0 0; font-size: 0.9rem; color: var(--text-2); }
.pricing-foot a { color: var(--text); }

/* Privacy */
.privacy-block {
  display: grid;
  grid-template-columns: minmax(0, 0.5fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}
.privacy-block .privacy-head { display: flex; align-items: center; gap: 10px; }
.privacy-block h2 { margin: 0; }
.privacy-block svg { color: var(--text-2); flex: none; }
.privacy-block p { margin: 0 0 14px; color: var(--text-2); font-size: 0.96rem; line-height: 1.65; }
.privacy-block p:last-child { margin-bottom: 0; }
.privacy-block strong { color: var(--text); font-weight: 500; }

/* FAQ */
.faq-list { margin-top: 26px; }
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.faq details:first-of-type { border-top: 1px solid var(--border); }
.faq summary {
  cursor: pointer;
  font-weight: 500;
  font-size: 0.98rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--text-3);
  border-bottom: 1.5px solid var(--text-3);
  transform: rotate(45deg);
  transition: transform 0.16s var(--ease);
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq details p { margin: 12px 0 0; color: var(--text-2); font-size: 0.94rem; line-height: 1.65; }

/* ---------- Modal ---------- */
.modal {
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 28px;
  max-width: 440px;
  width: calc(100% - 40px);
  color: var(--text);
  box-shadow: 0 16px 48px rgba(15, 15, 15, 0.18);
}
.modal::backdrop { background: rgba(15, 15, 15, 0.4); }
.modal h3 { margin: 0 0 8px; font-size: 1.15rem; }
.modal p { margin: 0 0 12px; font-size: 0.92rem; color: var(--text-2); line-height: 1.6; }
.modal .muted a { color: var(--text); }
.modal-buttons { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; }
#licenseForm { display: flex; gap: 8px; margin-top: 8px; }
#licenseKey {
  flex: 1;
  min-width: 0;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font: inherit;
  font-size: 0.92rem;
}
#licenseKey:focus-visible { outline: 2px solid var(--action); outline-offset: 0; border-color: var(--action); }
.license-msg { font-size: 0.88rem; margin: 10px 0 0; }
.license-msg.ok { color: var(--success); }
.license-msg.bad { color: var(--error); }

/* ---------- Legal page ---------- */
.legal-page { max-width: 720px; padding-top: 48px; padding-bottom: 64px; }
.legal-page h1 { font-size: 1.7rem; margin: 0 0 8px; }
.legal-page h2 { font-size: 1.1rem; margin: 32px 0 8px; }
.legal-page p, .legal-page li { color: var(--text-2); font-size: 0.96rem; line-height: 1.65; }
.legal-page strong { color: var(--text); font-weight: 500; }
.legal-page ul { padding-left: 20px; }
.legal-page li { margin: 6px 0; }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--border);
  margin-top: 8px;
  padding: 40px 0 56px;
  font-size: 0.88rem;
  color: var(--text-2);
}
footer .wrap > * { margin: 0 0 8px; }
footer .wrap > *:last-child { margin-bottom: 0; }
footer strong { color: var(--text); font-weight: 500; }
footer a { color: var(--text); }
footer .fine { color: var(--text-3); font-size: 0.84rem; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 44px 0 48px;
  }
  .privacy-block { grid-template-columns: 1fr; gap: 20px; }
  .workflow-row { grid-template-columns: 1fr; }
  .workflow-step {
    border-left: 0;
    padding: 18px 0;
    border-top: 1px solid var(--border);
  }
  .workflow-step:first-child { border-top: 0; padding-top: 0; }
}

@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
  .checklist { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .plan { border-left: 0; border-top: 1px solid var(--border); }
  .plan:first-child { border-top: 0; }
  .nav { gap: 18px; }
  .nav a.nav-hide-sm { display: none; }
  .section { padding: 44px 0; }
}

@media (max-width: 560px) {
  .hero-copy h1 { font-size: 1.9rem; }
  .result-head { flex-direction: column; align-items: stretch; }
  .result-actions { display: flex; }
  .result-actions .btn { flex: 1; }
  #preview { height: 400px; }
}

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