/* ==========================================================================
   Clearly — Design tokens
   ========================================================================== */

:root {
  --color-bg: #FAFAF9;
  --color-surface: #FFFFFF;
  --color-text: #18181B;
  --color-text-secondary: #71717A;
  --color-border: #E4E4E7;
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-success: #16A34A;
  --color-success-bg: #F0FDF4;
  --color-error: #DC2626;
  --color-error-bg: #FEF2F2;
  --color-warning-bg: #FFFBEB;
  --color-warning-border: #FDE68A;
  --color-warning-text: #92400E;

  --font-body: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --fs-hero: 56px;
  --fs-section: 32px;
  --fs-body: 16px;
  --fs-small: 14px;

  --max-width: 1120px;
  --radius: 8px;
  --radius-sm: 6px;

  --shadow-sm: 0 1px 2px rgba(24, 24, 27, 0.06);
  --shadow-md: 0 4px 16px rgba(24, 24, 27, 0.08);

  --transition: 150ms ease;
}

@media (max-width: 640px) {
  :root {
    --fs-hero: 34px;
    --fs-section: 26px;
    --fs-body: 15px;
  }
}

/* ==========================================================================
   Reset
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-bg);
}

h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.2; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }
a { color: inherit; }
img { max-width: 100%; display: block; }

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Visible focus states everywhere */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

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

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 88px 0;
}

@media (max-width: 640px) {
  section { padding: 56px 0; }
}

.section-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-heading {
  font-size: var(--fs-section);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--color-text-secondary);
  font-size: var(--fs-body);
  max-width: 640px;
  margin-bottom: 48px;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 249, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--color-text);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  text-decoration: none;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.main-nav a:hover { color: var(--color-text); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff !important;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500 !important;
  transition: background var(--transition);
}

.nav-cta:hover { background: var(--color-primary-hover); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }

  .main-nav.open {
    display: flex;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 16px;
  }
  .main-nav.open .nav-cta { align-self: flex-start; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 96px 0 64px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.03em;
  margin-bottom: 24px;
}

.hero-eyebrow .arrow { color: var(--color-primary); font-weight: 600; }

.hero h1 {
  font-size: var(--fs-hero);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  max-width: 800px;
  margin: 0 auto 20px;
}

.hero-sub {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 13px 24px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
  text-decoration: none;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-text-secondary); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}
.btn-ghost:hover { color: var(--color-text); border-color: var(--color-text-secondary); }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.hero-hint {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Upload tool
   ========================================================================== */

.tool-section {
  padding-top: 24px;
}

.upload-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  max-width: 720px;
  margin: 0 auto;
  overflow: hidden;
}

.dropzone {
  border: 2px dashed var(--color-border);
  border-radius: 10px;
  margin: 20px;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--color-primary);
  background: #F5F8FF;
}

.dropzone-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  color: var(--color-text-secondary);
}

.dropzone h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.dropzone p {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  margin-bottom: 20px;
}

.dropzone-meta {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 16px;
}

/* Processing state */
.processing-state {
  padding: 48px 24px;
  text-align: center;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.processing-state h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.processing-state p {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
}

.progress-track {
  width: 100%;
  max-width: 320px;
  height: 6px;
  background: var(--color-border);
  border-radius: 999px;
  margin: 20px auto 0;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 200ms ease;
}

/* Error state */
.error-state {
  padding: 32px 24px;
  text-align: left;
  background: var(--color-error-bg);
  border-radius: 10px;
  margin: 20px;
  border: 1px solid #FCA5A5;
}

.error-state h3 {
  color: var(--color-error);
  font-size: 16px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.error-state p {
  color: #7F1D1D;
  font-size: var(--fs-small);
  margin-bottom: 16px;
}

/* File info bar */
.file-info-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.file-info-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.file-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: #EFF6FF;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-info-text {
  min-width: 0;
}

.file-name {
  font-size: var(--fs-small);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}

.file-meta {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Result area
   ========================================================================== */

.result-section {
  padding: 20px;
}

.result-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 16px;
}

.result-tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 4px;
  margin-right: 20px;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.result-tab.active {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

.result-tab:hover:not(.active) { color: var(--color-text); }

.ocr-warning {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  color: var(--color-warning-text);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

.text-editor {
  width: 100%;
  min-height: 320px;
  resize: vertical;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: "SF Mono", "Consolas", "Menlo", monospace;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

.editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

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

.char-count {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
}

/* Table view */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.data-table {
  border-collapse: collapse;
  width: 100%;
  font-size: var(--fs-small);
}

.data-table th,
.data-table td {
  border: 1px solid var(--color-border);
  padding: 0;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: #F4F4F5;
  font-weight: 600;
}

.data-table td[contenteditable="true"],
.data-table th[contenteditable="true"] {
  padding: 8px 10px;
  min-width: 100px;
  outline: none;
}

.data-table td[contenteditable="true"]:focus,
.data-table th[contenteditable="true"]:focus {
  background: #EFF6FF;
}

.table-row-actions {
  padding: 8px !important;
  text-align: center !important;
  width: 40px;
}

.icon-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  cursor: pointer;
}
.icon-btn:hover {
  color: var(--color-error);
  background: var(--color-error-bg);
}

.no-table-msg {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  padding: 32px 0;
  text-align: center;
}

.export-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.status-msg {
  font-size: 13px;
  margin-top: 10px;
  min-height: 18px;
}
.status-msg.success { color: var(--color-success); }
.status-msg.error { color: var(--color-error); }

.result-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: 12px;
}

.limit-note {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   How it works
   ========================================================================== */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-card {
  padding: 28px 24px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
}

.step-number {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.step-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.step-card p {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
}

@media (max-width: 780px) {
  .steps { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Use cases
   ========================================================================== */

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.use-case-card {
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
}

.use-case-icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.use-case-card h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.use-case-card p {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

@media (max-width: 780px) {
  .use-cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .use-cases-grid { grid-template-columns: 1fr; }
}

.disclaimer-note {
  margin-top: 32px;
  font-size: 13px;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}

/* ==========================================================================
   Privacy strip
   ========================================================================== */

.privacy-strip {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.privacy-item h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.privacy-item p {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

@media (max-width: 780px) {
  .privacy-grid { grid-template-columns: 1fr; gap: 24px; }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  text-decoration: none;
}

.footer-links a:hover { color: var(--color-text); }

.footer-copy {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Static pages (privacy / terms)
   ========================================================================== */

.legal-page {
  padding: 64px 0 96px;
}

.legal-page h1 {
  font-size: 40px;
  margin-bottom: 8px;
}

.legal-updated {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  margin-bottom: 40px;
}

.legal-page h2 {
  font-size: 22px;
  margin-top: 40px;
  margin-bottom: 12px;
}

.legal-page p, .legal-page li {
  color: #3F3F46;
  margin-bottom: 12px;
}

.legal-page ul { list-style: disc; padding-left: 22px; }

.legal-page a { color: var(--color-primary); }

/* ==========================================================================
   Utility
   ========================================================================== */

.hidden { display: none !important; }

.sr-live {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}

@media (max-width: 640px) {
  .hero { padding-top: 56px; }
  .hero h1 { max-width: 100%; }
  .dropzone { padding: 32px 16px; margin: 12px; }
  .file-info-bar { padding: 14px 16px; }
  .result-section { padding: 14px; }
}