/*
 * ============================================================
 * EditPDF.fyi — Design System v2
 * Light professional theme — smallpdf / ilovepdf inspired
 * ============================================================
 */

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Custom Properties ── */
:root {
  /* Core palette */
  --bg:            #FFFFFF;
  --surface:       #F8FAFC;
  --card:          #FFFFFF;
  --border:        #E2E8F0;
  --border-2:      #CBD5E1;

  /* Accent — professional blue */
  --accent:        #1A56DB;
  --accent-hover:  #1340A8;
  --accent-light:  rgba(26, 86, 219, 0.08);
  --accent-glow:   rgba(26, 86, 219, 0.18);
  --blue:          #1A56DB;
  --blue-dark:     #1340A8;
  --blue-light:    rgba(26, 86, 219, 0.08);
  --blue-glow:     rgba(26, 86, 219, 0.18);

  /* Text */
  --text:          #0F172A;
  --text-2:        #475569;
  --text-muted:    #94A3B8;

  /* States */
  --success:       #059669;
  --success-light: rgba(5, 150, 105, 0.08);
  --error:         #DC2626;
  --error-light:   rgba(220, 38, 38, 0.08);

  /* Typography */
  --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-head:    'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono:    'Inter', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Spacing (8px grid) */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px;
  --s5: 24px; --s6: 32px; --s7: 48px; --s8: 64px; --s9: 96px;

  /* Radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   20px;
  --radius-pill: 100px;
  --r-sm:  6px; --r-md: 10px; --r-lg: 16px; --r-xl: 20px; --r-pill: 100px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-card: 0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-deep: 0 16px 40px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.04);
}

/* ── Base ── */
html { scroll-behavior: smooth; scrollbar-gutter: stable; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fallPdf {
  0%   { opacity: .9; transform: translateY(0) rotate(var(--pdf-r)) scale(1); }
  100% { opacity: 0; transform: translateY(56px) rotate(calc(var(--pdf-r) + 22deg)) scale(.5); }
}

body { animation: fadeIn 0.3s ease; }

/* ── Layout ── */
.container        { max-width: 1180px; margin: 0 auto; padding: 0 var(--s5); }
.container--narrow{ max-width: 720px;  margin: 0 auto; padding: 0 var(--s5); }

/* ── Falling PDF (Easter egg) ── */
.pdf-fall { position: fixed; pointer-events: none; z-index: 99999; animation: fallPdf 0.75s ease-in forwards; }

/* ============================================================
 * NAVIGATION
 * ============================================================ */

.nav {
  position: sticky;
  top: 0; z-index: 100;
  height: 64px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--s6);
  box-shadow: 0 1px 0 var(--border);
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -1px;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  padding: 6px 13px;
  border-radius: var(--r-sm);
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.nav-link:hover  { color: var(--accent); background: var(--accent-light); }
.nav-link.active { color: var(--accent); background: var(--accent-light); }

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--s3);
  flex-shrink: 0;
}

.btn-donate {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--r-sm);
  padding: 8px 16px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.12s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.btn-donate:hover { background: var(--accent-hover); transform: translateY(-1px); }

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 22px;
  cursor: pointer;
  padding: var(--s1);
  z-index: 101;
  line-height: 1;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  z-index: 99;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: var(--s3) var(--s5);
  flex-direction: column;
  box-shadow: var(--shadow-card);
}
.mobile-menu.open { display: flex; }

.mobile-link {
  display: block;
  padding: 14px 0;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: color 0.15s;
}
.mobile-link:hover            { color: var(--accent); }
.mobile-link:last-child       { border-bottom: none; }
.mobile-link--donate          { color: var(--accent); border-bottom: none; padding-top: 16px; }
.mobile-link.active           { color: var(--accent); }

.nav-spacer { width: 32px; display: none; }

/* ============================================================
 * FOOTER
 * ============================================================ */

.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--s5) var(--s7);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}
.footer a { color: var(--text-muted); transition: color 0.15s; }
.footer a:hover { color: var(--accent); }
.footer-links { display: flex; gap: var(--s5); }

/* ============================================================
 * HERO — HOMEPAGE
 * ============================================================ */

.hero {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: var(--s9) var(--s5) var(--s8);
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(26,86,219,0.15);
  border-radius: var(--radius-pill);
  padding: 5px 16px;
  margin-bottom: var(--s5);
  animation: fadeUp 0.4s ease both;
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(34px, 5.5vw, 60px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -2px;
  color: var(--text);
  margin-bottom: var(--s4);
  animation: fadeUp 0.4s ease 0.1s both;
}
.hero-title em { font-style: normal; color: var(--accent); }

.hero-sub {
  font-size: 17px;
  color: var(--text-2);
  max-width: 520px;
  margin: 0 auto var(--s6);
  line-height: 1.65;
  animation: fadeUp 0.4s ease 0.2s both;
}

/* ============================================================
 * TRUST SIGNALS
 * ============================================================ */

.trust-pills {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--s7);
  animation: fadeUp 0.4s ease 0.3s both;
}

.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}
.trust-pill svg { color: var(--accent); flex-shrink: 0; }

/* ============================================================
 * HOMEPAGE — TOOL GRID
 * ============================================================ */

.tools-section {
  max-width: 1140px;
  margin: 0 auto;
  padding: var(--s8) var(--s5);
}

.section-label {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: var(--s5);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.tool-grid-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--s5);
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: var(--s4);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  cursor: pointer;
}
.tool-grid-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(26,86,219,0.12);
  transform: translateY(-3px);
}

.tool-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  border: 1px solid rgba(26,86,219,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.tool-content { flex: 1; min-width: 0; }

.tool-name {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px;
}

.tool-desc {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
 * TOOL HERO — TOOL PAGES
 * ============================================================ */

.tool-hero {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: var(--s8) var(--s5) var(--s7);
  text-align: center;
}

.tool-header {
  margin-bottom: var(--s5);
  animation: fadeUp 0.4s ease both;
}

.tool-header h1 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  letter-spacing: -1.2px;
  color: var(--text);
  margin-bottom: var(--s3);
  line-height: 1.12;
}

.tool-header p {
  font-size: 16px;
  color: var(--text-2);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================================
 * TOOL CARD (upload widget wrapper)
 * ============================================================ */

.tool-card {
  max-width: 680px;
  margin: 0 auto;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--s7);
  box-shadow: var(--shadow-deep);
  animation: fadeUp 0.4s ease 0.15s both;
  position: relative;
  z-index: 1;
}

/* ============================================================
 * DROPZONE
 * ============================================================ */

.dropzone {
  border: 2px dashed var(--border-2);
  border-radius: var(--radius-lg);
  padding: var(--s8) var(--s5);
  text-align: center;
  cursor: pointer;
  background: var(--surface);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  margin-bottom: var(--s5);
}

.dropzone:hover,
.dropzone.drag-over {
  border-color: var(--accent);
  background: var(--accent-light);
  box-shadow: 0 0 0 4px rgba(26,86,219,0.07);
}

.drop-svg {
  display: block;
  margin: 0 auto var(--s4);
  color: var(--accent);
}

.drop-title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--s2);
}

.drop-hint {
  font-size: 13px;
  color: var(--text-muted);
}
.drop-hint span { color: var(--accent); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }

.drop-limit {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: var(--s4);
}

.drop-icon {
  font-size: 40px;
  display: block;
  margin-bottom: var(--s3);
}

.btn-select-file {
  display: inline-block;
  margin-top: var(--s3);
  padding: 10px 28px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.12s;
  letter-spacing: 0.01em;
}
.btn-select-file:hover { background: var(--accent-hover); transform: translateY(-1px); }

/* ============================================================
 * FILE PREVIEW ROW
 * ============================================================ */

.file-preview {
  display: none;
  align-items: center;
  gap: var(--s4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--s3) var(--s4);
  margin-bottom: var(--s4);
}
.file-preview.visible { display: flex; }

.file-icon-box {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  border: 1px solid rgba(26,86,219,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.file-info { flex: 1; min-width: 0; }

.file-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-size { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.remove-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: var(--s1);
  transition: color 0.15s;
  flex-shrink: 0;
  line-height: 1;
}
.remove-btn:hover { color: var(--error); }

/* ============================================================
 * BUTTONS
 * ============================================================ */

.btn-primary {
  width: 100%;
  padding: 14px var(--s5);
  background: var(--accent);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.12s, box-shadow 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  letter-spacing: 0.01em;
}
.btn-primary:hover:not(:disabled)  { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 6px 20px var(--accent-glow); }
.btn-primary:active:not(:disabled) { transform: translateY(0) scale(0.98); }
.btn-primary:disabled              { opacity: 0.4; cursor: not-allowed; }
.btn-primary.loading .btn-text    { display: none; }
.btn-primary.loading .btn-spinner { display: block; }

/* Legacy button class names used by existing pages */
.compress-btn, .merge-btn, .split-btn, .convert-btn {
  width: 100%;
  padding: 14px var(--s5);
  background: var(--accent);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.12s, box-shadow 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
}
.compress-btn:hover:not(:disabled),
.merge-btn:hover:not(:disabled),
.split-btn:hover:not(:disabled),
.convert-btn:hover:not(:disabled)  { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 6px 20px var(--accent-glow); }
.compress-btn:disabled,
.merge-btn:disabled,
.split-btn:disabled,
.convert-btn:disabled              { opacity: 0.4; cursor: not-allowed; }
.compress-btn.loading .btn-text,
.merge-btn.loading .btn-text,
.split-btn.loading .btn-text,
.convert-btn.loading .btn-text    { display: none; }
.compress-btn.loading .btn-spinner,
.merge-btn.loading .btn-spinner,
.split-btn.loading .btn-spinner,
.convert-btn.loading .btn-spinner { display: block; }

.btn-secondary {
  padding: 10px var(--s5);
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-2);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-download {
  background: var(--success);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px var(--s5);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s, transform 0.12s;
}
.btn-download:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-spinner {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}

/* ============================================================
 * PROGRESS BAR
 * ============================================================ */

.progress-wrap         { display: none; margin-top: var(--s4); }
.progress-wrap.visible { display: block; }

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: var(--s2);
}

.progress-bar {
  height: 5px;
  background: var(--border);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: var(--radius-pill);
  width: 0%;
  transition: width 0.3s ease;
}

/* ============================================================
 * ERROR / DOWNLOAD / RESULT
 * ============================================================ */

.error-msg {
  display: none;
  margin-top: var(--s4);
  background: var(--error-light);
  border: 1px solid rgba(220,38,38,0.2);
  border-radius: var(--radius-sm);
  padding: 12px var(--s4);
  font-size: 13px;
  color: var(--error);
}
.error-msg.visible { display: block; }

.download-area {
  display: none;
  margin-top: var(--s5);
  background: var(--success-light);
  border: 1px solid rgba(5,150,105,0.2);
  border-radius: var(--radius-md);
  padding: var(--s4) var(--s5);
  align-items: center;
  gap: var(--s4);
}
.download-area.visible { display: flex; }

.download-text strong {
  font-family: var(--font-head);
  font-size: 14px;
  color: var(--success);
  display: block;
  margin-bottom: 2px;
}
.download-text small { font-size: 12px; color: var(--text-muted); }

.result-area {
  display: none;
  margin-top: var(--s5);
  background: var(--success-light);
  border: 1px solid rgba(5,150,105,0.2);
  border-radius: var(--radius-md);
  padding: var(--s4) var(--s5);
}
.result-area.visible { display: block; }

.result-stats {
  display: flex;
  gap: var(--s5);
  margin-bottom: var(--s4);
  flex-wrap: wrap;
}

.stat { flex: 1; min-width: 90px; }

.stat-label {
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.stat-value {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
}
.stat-value.saved { color: var(--success); }

/* ============================================================
 * HOW IT WORKS (3-step horizontal section)
 * ============================================================ */

.how-it-works {
  max-width: 920px;
  margin: var(--s8) auto;
  padding: 0 var(--s5);
}

.how-it-works-title {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: var(--s6);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.step {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--s5);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.step:hover { border-color: var(--accent); box-shadow: 0 4px 16px rgba(26,86,219,0.10); transform: translateY(-2px); }

.step-num {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: var(--s2);
}

.step-icon { font-size: 26px; margin-bottom: var(--s3); }

.step-title {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--s2);
}

.step-desc { font-size: 13px; color: var(--text-2); line-height: 1.65; }

/* ============================================================
 * RELATED TOOLS (4 cards in a row)
 * ============================================================ */

.related-tools {
  max-width: 1140px;
  margin: 0 auto var(--s8);
  padding: 0 var(--s5);
}

.related-tools-title {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: var(--s5);
}

.related-tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

/* ============================================================
 * FEATURES STRIP (homepage + tool pages)
 * ============================================================ */

.features-strip {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--s8) var(--s5);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--s5);
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.feat { padding: var(--s3); }
.feat-icon { font-size: 30px; margin-bottom: var(--s3); }
.feat-title { font-family: var(--font-head); font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: var(--s2); }
.feat-desc  { font-size: 13.5px; color: var(--text-2); line-height: 1.65; }

/* Inline .section wrapper (some tool pages use it) */
.section {
  padding: var(--s8) var(--s5);
  max-width: 960px;
  margin: 0 auto;
}

/* ============================================================
 * CONTENT / SEO SECTION
 * ============================================================ */

.content-section {
  max-width: 720px;
  margin: var(--s8) auto;
  padding: 0 var(--s5);
}

.content-section h2,
.body-content h2 {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: var(--s4);
  letter-spacing: -0.5px;
}

.content-section p,
.body-content p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.85;
  margin-bottom: var(--s4);
}

/* ============================================================
 * FAQ
 * ============================================================ */

.faq { margin-top: var(--s7); }

.faq h2 {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: var(--s5);
  letter-spacing: -0.5px;
}

.faq-item {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--s4) var(--s5);
  margin-bottom: var(--s3);
  transition: border-color 0.15s;
}
.faq-item:hover { border-color: var(--accent); }

.faq-q { font-family: var(--font-head); font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: var(--s2); }
.faq-a { font-size: 13.5px; color: var(--text-2); line-height: 1.75; }

/* ============================================================
 * AD SLOTS
 * ============================================================ */

.ad-slot          { display: block; background: transparent; text-align: center; overflow: hidden; }
.ad-slot--banner  { min-height: 90px; width: 100%; margin: var(--s6) 0; }
.ad-slot--rect    { min-height: 250px; min-width: 300px; margin: var(--s6) auto; }
.ad-slot--sidebar { min-height: 600px; min-width: 160px; }

/* ============================================================
 * MISC COMPONENTS
 * ============================================================ */

.divider { border: none; border-top: 1px solid var(--border); margin: var(--s6) 0; }

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-head);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}
.badge--blue  { background: var(--accent-light); color: var(--accent); border: 1px solid rgba(26,86,219,0.15); }
.badge--green { background: var(--success-light); color: var(--success); border: 1px solid rgba(5,150,105,0.2); }

select {
  width: 100%;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px var(--s4);
  appearance: none;
  cursor: pointer;
  transition: border-color 0.15s;
}
select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(26,86,219,0.08); }

/* File list (merge page) */
.file-item {
  display: flex;
  align-items: center;
  gap: var(--s3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--s3) var(--s4);
  animation: fadeUp 0.25s ease;
}
.file-item-icon  { font-size: 18px; flex-shrink: 0; }
.file-item-info  { flex: 1; min-width: 0; }
.file-item-name  { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text); }
.file-item-size  { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.file-item-order { font-size: 11px; color: var(--accent); background: var(--accent-light); border-radius: 4px; padding: 2px 7px; flex-shrink: 0; font-family: var(--font-head); font-weight: 600; }
.remove-file     { background: none; border: none; color: var(--text-muted); font-size: 16px; cursor: pointer; padding: var(--s1); transition: color 0.15s; flex-shrink: 0; }
.remove-file:hover { color: var(--error); }
.file-count      { font-size: 12px; color: var(--text-muted); margin-bottom: var(--s4); }
.file-count span { color: var(--success); font-weight: 600; }

.card { background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius-xl); padding: var(--s6) var(--s7); box-shadow: var(--shadow-sm); }
.card h2 { font-family: var(--font-head); font-size: 20px; font-weight: 800; color: var(--accent); margin-bottom: var(--s4); }
.card p  { font-size: 14px; color: var(--text-2); line-height: 1.85; margin-bottom: var(--s4); }
.card p:last-child { margin-bottom: 0; }

/* Donate modal */
.donate-modal       { display: none; position: fixed; inset: 0; z-index: 9999; background: rgba(0,0,0,0.5); backdrop-filter: blur(6px); align-items: center; justify-content: center; }
.donate-modal.open  { display: flex; }
.donate-modal-inner { position: relative; max-width: 460px; width: 90%; border-radius: var(--radius-xl); padding: var(--s7) var(--s6) var(--s6); text-align: center; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-deep); }
.donate-modal-close { position: absolute; top: 14px; right: 14px; background: var(--surface); border: none; color: var(--text-muted); font-size: 16px; cursor: pointer; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: color 0.15s; }
.donate-modal-close:hover { color: var(--text); }
.donate-modal-icon  { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; background: var(--success-light); border: 2px solid rgba(5,150,105,0.3); color: var(--success); margin: 0 auto var(--s4); }
.donate-modal-title { font-family: var(--font-head); font-size: 22px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: var(--s3); color: var(--text); }
.donate-modal-body  { font-size: 13px; line-height: 1.8; color: var(--text-2); margin-bottom: var(--s5); }
.donate-modal-btn   { display: inline-block; background: var(--accent); color: #fff; border-radius: var(--radius-md); padding: 13px var(--s6); font-family: var(--font-head); font-size: 14px; font-weight: 800; text-decoration: none; transition: background 0.15s, transform 0.12s; }
.donate-modal-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }

/* ============================================================
 * RESPONSIVE
 * ============================================================ */

@media (max-width: 768px) {
  .nav-links  { display: none !important; }
  .hamburger  { display: block !important; }
  .nav-spacer { display: block !important; }
  .nav-logo   { position: absolute; left: 50%; transform: translateX(-50%); }
  .nav-right  { display: none !important; }
  .nav        { padding: 0 var(--s4); }

  .hero, .tool-hero { padding: var(--s7) var(--s4) var(--s6); }
  .tool-card        { padding: var(--s5); }
  .steps            { grid-template-columns: 1fr; }
  .related-tools-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid    { grid-template-columns: 1fr 1fr; }
  .footer           { flex-direction: column; gap: var(--s3); text-align: center; padding: var(--s5); }
  .footer-links     { justify-content: center; }
}

@media (max-width: 540px) {
  .trust-pills   { gap: 6px; }
  .trust-pill    { font-size: 12px; padding: 5px 10px; }
  .related-tools-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .features-grid { grid-template-columns: 1fr; }
  .tool-card     { padding: var(--s4); }
}

@media (min-width: 900px) {
  .related-tools-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
  .tools-grid { grid-template-columns: repeat(3, 1fr); }
}