/* ===== CSS VARIABLES ===== */
:root {
  --bg: #0c0e14;
  --bg-card: #13161f;
  --bg-alt: #0f1118;
  --border: #1e2235;
  --border-light: #252a3d;
  --text: #e8eaf0;
  --text-muted: #7a82a0;
  --text-dim: #4a5070;
  --accent: #4f8aff;
  --accent-2: #a78bfa;
  --accent-glow: rgba(79, 138, 255, 0.15);
  --green: #22d3a5;
  --red: #f87171;
  --yellow: #fbbf24;
  /* Robust font stack: Sora from Google Fonts, falls back to system UI fonts */
  --font: 'Sora', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', 'Fira Code', monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-2); }

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.hidden { display: none !important; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 14, 20, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.logo:hover { color: var(--text); }
.logo-icon { font-size: 22px; color: var(--accent); line-height: 1; }
.logo strong { color: var(--accent); font-weight: 700; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
  text-align: center;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79,138,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,138,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 30%, transparent 100%);
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block;
  background: rgba(79,138,255,0.12);
  border: 1px solid rgba(79,138,255,0.3);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(32px, 5.5vw, 60px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text);
}
.accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.65;
}
.btn-hero {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-hero:hover {
  background: #6b9fff;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(79,138,255,0.3);
}

/* ===== ADS (non-intrusive) ===== */
.ad-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 10px;
}
.ad-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 500;
}
.ad-placeholder {
  background: var(--bg-card);
  border: 1px dashed var(--border-light);
  color: var(--text-dim);
  font-size: 12px;
  font-family: var(--mono);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 728px;
}
.ad-top { padding: 12px 24px; }
.ad-top .ad-placeholder { height: 90px; }
.ad-inline { margin: 20px 0; }
.ad-inline .ad-placeholder { max-width: 468px; height: 60px; }
.ad-wide { margin: 32px 0; }
.ad-wide .ad-placeholder { max-width: 970px; height: 90px; }

/* ===== STEP CARDS ===== */
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  margin: 20px 0;
  transition: border-color var(--transition);
}
.step-card:hover { border-color: var(--border-light); }
.step-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}
.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  min-width: 38px;
  background: var(--accent-glow);
  border: 1px solid rgba(79,138,255,0.3);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--mono);
  letter-spacing: 0.05em;
  border-radius: 8px;
  margin-top: 2px;
}
.step-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.step-hint { font-size: 13px; color: var(--text-muted); margin-top: 3px; }

/* ===== CATEGORY GRID ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 12px;
}
.cat-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 18px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
  color: var(--text-muted);
  font-family: var(--font);
  width: 100%;
}
.cat-btn:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(79,138,255,0.1);
}
.cat-btn.active {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--accent);
}
.cat-icon { font-size: 26px; line-height: 1; }
.cat-name { font-size: 13px; font-weight: 600; letter-spacing: 0.01em; color: var(--text); }
.cat-count { font-size: 11px; color: var(--text-dim); font-family: var(--mono); }

/* ===== TOOL SELECTOR ===== */
.tool-selector-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.tool-dropdown {
  flex: 1;
  min-width: 220px;
  max-width: 400px;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  padding: 11px 40px 11px 14px;
  border-radius: var(--radius-sm);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: border-color var(--transition);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234a5070' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.tool-dropdown:focus { outline: none; border-color: var(--accent); }
.tool-dropdown option { background: var(--bg-card); color: var(--text); }

.btn-add {
  background: var(--accent);
  color: #fff;
  border: none;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-add:hover { background: #6b9fff; transform: translateY(-1px); }
.btn-add:active { transform: translateY(0); }

/* ===== CHIPS ===== */
.selected-chips { display: flex; flex-wrap: wrap; gap: 8px; min-height: 10px; margin-bottom: 20px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-glow);
  border: 1px solid rgba(79,138,255,0.35);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 100px;
  animation: chipIn 0.2s ease;
}
.chip-remove {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 0;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}
.chip-remove:hover { color: var(--red); }
@keyframes chipIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

/* ===== BUTTONS ===== */
.btn-compare {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #fff;
  border: none;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 30px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  letter-spacing: 0.01em;
}
.btn-compare:not(:disabled):hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(79,138,255,0.3);
}
.btn-compare:disabled { opacity: 0.3; cursor: not-allowed; }

.btn-secondary {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

.results-actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

/* ===== COMPARISON TABLE ===== */
.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 8px 0;
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 520px;
}
.comparison-table th {
  background: var(--bg-alt);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.comparison-table th.tool-col {
  background: rgba(79,138,255,0.05);
  text-align: center;
  text-transform: none;
  letter-spacing: 0;
  padding: 16px 20px;
  min-width: 160px;
}
.tool-col-name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px;
}
.tool-col-type {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--mono);
}
.comparison-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.comparison-table td.feature-label {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-alt);
  white-space: nowrap;
  min-width: 155px;
}
.comparison-table td.val {
  text-align: center;
  font-size: 13px;
  vertical-align: middle;
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tbody tr:hover td { background: rgba(79,138,255,0.025); }
.comparison-table tr.section-header td {
  background: rgba(79,138,255,0.06);
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 9px 18px;
  border-bottom: 1px solid var(--border);
}

/* Value badge styles */
.badge-yes  { color: var(--green); font-size: 15px; font-weight: 700; }
.badge-no   { color: var(--red);   font-size: 15px; font-weight: 700; }
.badge-partial { color: var(--yellow); font-size: 13px; font-weight: 600; }
.price-tag {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  background: rgba(255,255,255,0.05);
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  line-height: 1.6;
}
.rating-stars { color: var(--yellow); letter-spacing: -1px; font-size: 14px; }
.tag {
  display: inline-block;
  background: rgba(79,138,255,0.1);
  border: 1px solid rgba(79,138,255,0.2);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--mono);
}

/* ===== PROS / CONS ===== */
.pros-cons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 28px;
}
.pros-cons-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  animation: chipIn 0.3s ease;
}
.pc-tool-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.pc-section { margin-bottom: 14px; }
.pc-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-family: var(--mono);
}
.pc-label.pros { color: var(--green); }
.pc-label.cons { color: var(--red); }
.pc-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.pc-list li {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}
.pc-list li::before { font-size: 11px; margin-top: 3px; flex-shrink: 0; }
.pc-list.pros-list li::before { content: '↑'; color: var(--green); }
.pc-list.cons-list li::before { content: '↓'; color: var(--red); }

/* ===== CATEGORIES SECTION ===== */
.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 72px 0;
  margin-top: 40px;
}
.section-title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 10px;
}
.section-sub { color: var(--text-muted); font-size: 15px; margin-bottom: 36px; }

.category-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.cat-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  cursor: pointer;
  transition: all var(--transition);
}
.cat-info-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(79,138,255,0.1);
}
.cat-info-icon { font-size: 28px; margin-bottom: 12px; line-height: 1; }
.cat-info-name { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.cat-info-desc { font-size: 13px; color: var(--text-muted); line-height: 1.55; }
.cat-info-tools {
  margin-top: 14px;
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--mono);
  line-height: 1.6;
}

/* ===== ABOUT ===== */
.section-about { padding: 80px 0; }
.about-inner {
  display: flex;
  align-items: center;
  gap: 64px;
  flex-wrap: wrap;
}
.about-text { flex: 1; min-width: 280px; }
.about-text p { color: var(--text-muted); font-size: 15px; line-height: 1.75; margin-bottom: 16px; }
.about-stats { display: flex; gap: 40px; flex-shrink: 0; }
.stat { display: flex; flex-direction: column; align-items: center; text-align: center; }
.stat-num {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 12px; color: var(--text-dim); font-family: var(--mono); }

/* ===== FOOTER ===== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-logo strong { color: var(--accent); }
.footer-note { font-size: 12px; color: var(--text-dim); flex: 1; text-align: center; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  padding: 10px 20px;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 9999;
  animation: chipIn 0.2s ease;
  white-space: nowrap;
}

/* ===== PRINT ===== */
@media print {
  .site-header, .hero, .ad-container,
  #step-category, #step-tools,
  .section-alt, .section-about,
  .site-footer, .results-actions { display: none !important; }
  body { background: white; color: black; }
  .step-card { border: none; padding: 0; }
  .comparison-table th, .comparison-table td { border: 1px solid #ddd; color: black; }
  .comparison-table th { background: #f5f5f5; }
  .pros-cons-card { border: 1px solid #ddd; }
  .accent { -webkit-text-fill-color: #4f8aff; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 56px 0 48px; }
  .step-card { padding: 20px 16px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { flex-direction: column; gap: 36px; }
  .about-stats { justify-content: center; }
  .footer-inner { flex-direction: column; text-align: center; }
  .pros-cons-grid { grid-template-columns: 1fr; }
  .tool-dropdown { max-width: 100%; }
}
@media (max-width: 480px) {
  .category-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 28px; }
  .hero-sub { font-size: 15px; }
}

/* ===== GET MORE INFO SECTION ===== */
.get-more-header td {
  background: linear-gradient(90deg, rgba(79,138,255,0.12), rgba(167,139,250,0.08));
  color: var(--text) !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  letter-spacing: 0.06em;
  padding: 14px 18px !important;
  border-bottom: 1px solid var(--border);
}
.get-more-icon { margin-right: 8px; font-size: 14px; }

.get-more-row td { padding: 18px !important; vertical-align: top !important; }
.get-more-row:hover td { background: rgba(79,138,255,0.03); }

.docs-cell { text-align: center; }

.docs-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.docs-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
  width: 100%;
  max-width: 160px;
  justify-content: center;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.docs-btn-primary {
  background: rgba(79,138,255,0.12);
  border: 1px solid rgba(79,138,255,0.3);
  color: var(--accent);
}
.docs-btn-primary:hover {
  background: rgba(79,138,255,0.22);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79,138,255,0.2);
}

.docs-btn-pricing {
  background: rgba(34,211,165,0.1);
  border: 1px solid rgba(34,211,165,0.25);
  color: var(--green);
}
.docs-btn-pricing:hover {
  background: rgba(34,211,165,0.2);
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(34,211,165,0.15);
}

.docs-btn-github {
  background: rgba(167,139,250,0.1);
  border: 1px solid rgba(167,139,250,0.25);
  color: var(--accent-2);
}
.docs-btn-github:hover {
  background: rgba(167,139,250,0.2);
  border-color: var(--accent-2);
  color: var(--accent-2);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(167,139,250,0.15);
}