/* ==============================================================
   Power BI Fixer — GitHub Pages Stylesheet
   Clean, modern, professional — inspired by Microsoft Fluent
   ============================================================== */

:root {
  --accent: #f7941d;          /* PBI Fixer orange */
  --accent-dark: #e07d0a;
  --accent-light: #fff3e0;
  --bg: #ffffff;
  --bg-alt: #fafafa;
  --bg-code: #1e1e1e;
  --text: #1a1a1a;
  --text-muted: #666666;
  --border: #e5e5e5;
  --success: #16a34a;
  --info: #2563eb;
  --heading-font: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --body-font: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --code-font: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  --max-width: 1100px;
  --section-gap: 5rem;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--body-font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Container */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }

/* ── Navigation ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-logo:hover { text-decoration: none; }
.nav-links { display: flex; gap: 1.5rem; list-style: none; }
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); text-decoration: none; }

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: 0.3s;
}

/* ── Hero ── */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
  background: linear-gradient(180deg, var(--accent-light) 0%, var(--bg) 100%);
}
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}
.hero h1 .accent { color: var(--accent); }
.hero .subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}
.hero-code {
  display: inline-block;
  background: var(--bg-code);
  color: #d4d4d4;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-family: var(--code-font);
  font-size: 1rem;
  text-align: left;
  margin-bottom: 2rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}
.hero-code .kw { color: #569cd6; }
.hero-code .fn { color: #dcdcaa; }
.hero-code .str { color: #ce9178; }
.hero-code .cm { color: #6a9955; }

.hero-badges {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: white;
}
.badge-orange { border-color: var(--accent); color: var(--accent-dark); }
.badge-green { border-color: var(--success); color: var(--success); }
.badge-blue { border-color: var(--info); color: var(--info); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover { background: var(--accent-dark); text-decoration: none; color: white; }
.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent-dark);
}
.btn-outline:hover { background: var(--accent-light); text-decoration: none; }
.btn-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Sections ── */
.section {
  padding: var(--section-gap) 0;
}
.section-alt { background: var(--bg-alt); }
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.section-header h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  letter-spacing: -0.01em;
}
.section-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto;
}

/* ── Tabs Grid ── */
.tabs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.tab-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.tab-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.tab-card .icon {
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
}
.tab-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}
.tab-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Screenshot Gallery ── */
.screenshot-section {
  margin-bottom: 4rem;
}
.screenshot-section:last-child { margin-bottom: 0; }
.screenshot-row {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
}
.screenshot-row.reverse { flex-direction: row-reverse; }
.screenshot-text {
  flex: 1;
  min-width: 280px;
}
.screenshot-text h3 {
  font-size: 1.6rem;
  margin-bottom: 0.8rem;
}
.screenshot-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.7;
}
.screenshot-text ul {
  list-style: none;
  padding: 0;
}
.screenshot-text ul li {
  padding: 0.3rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.screenshot-text ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.screenshot-img {
  flex: 1.4;
  min-width: 400px;
}
.screenshot-img img {
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

/* ── Comparison Table ── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.comparison-table th {
  background: var(--accent);
  color: white;
  padding: 0.8rem 1rem;
  text-align: left;
  font-weight: 600;
}
.comparison-table th:first-child { border-radius: 8px 0 0 0; }
.comparison-table th:last-child { border-radius: 0 8px 0 0; }
.comparison-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
}
.comparison-table tr:nth-child(even) { background: var(--bg-alt); }
.comparison-table .check { color: var(--success); font-weight: 700; }
.comparison-table .cross { color: #dc2626; }

/* ── Fixer Inventory Table ── */
.fixer-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-bottom: 2rem;
}
.fixer-table th {
  background: #f5f5f5;
  padding: 0.6rem 1rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--border);
}
.fixer-table td {
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
}
.fixer-table tr:hover { background: var(--accent-light); }
.category-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}
.cat-report { background: #dbeafe; color: #1e40af; }
.cat-model { background: #dcfce7; color: #166534; }
.cat-bpa { background: #fef3c7; color: #92400e; }

/* ── Video Section ── */
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
  margin: 2rem auto;
  max-width: 800px;
}
.video-wrapper iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}
.video-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-code);
  color: #888;
  border-radius: 10px;
  height: 300px;
  max-width: 800px;
  margin: 2rem auto;
  font-size: 1.2rem;
}

/* ── Getting Started Steps ── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}
.step {
  text-align: center;
  padding: 2rem 1.5rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.step h3 { margin-bottom: 0.5rem; font-size: 1.1rem; }
.step p { font-size: 0.9rem; color: var(--text-muted); }
.step code {
  display: inline-block;
  background: var(--bg-code);
  color: #d4d4d4;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-family: var(--code-font);
  font-size: 0.82rem;
  margin-top: 0.5rem;
  word-break: break-all;
}

/* ── Stats Row ── */
.stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  padding: 3rem 0;
}
.stat {
  text-align: center;
}
.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

/* ── Footer ── */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.footer a { color: var(--accent-dark); }
.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}

/* ── History Timeline ── */
.history-timeline {
  position: relative;
  padding-left: 3rem;
  max-width: 700px;
  margin: 0 auto;
}
.history-timeline::before {
  content: '';
  position: absolute;
  left: 1.1rem;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: 2px;
}
.history-item {
  position: relative;
  margin-bottom: 2rem;
}
.history-item::before {
  content: '';
  position: absolute;
  left: -2.15rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--accent);
}
.history-year {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}
.history-content h3 {
  font-size: 1.15rem;
  margin: 0 0 0.35rem;
}
.history-content h3 a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dashed var(--accent);
}
.history-content h3 a:hover {
  color: var(--accent-dark);
}
.history-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}
.history-content code {
  background: var(--accent-light);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
}

/* ── Highlights Section ── */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.highlight-card {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.8rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.highlight-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.07);
}
.highlight-card--hero {
  grid-column: span 2;
  border-left: 4px solid var(--accent);
}
.highlight-icon {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 0.15rem;
}
.highlight-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.highlight-content p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0.6rem;
}
.highlight-tag {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: var(--accent-light);
  color: var(--accent-dark);
}
.highlight-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.8rem 0;
}
.highlight-list li {
  padding: 0.25rem 0 0.25rem 1.3rem;
  position: relative;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.highlight-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.highlight-disclaimer {
  margin-top: 2.5rem;
  padding: 1.2rem 1.5rem;
  background: #fffbeb;
  border: 1px solid #fcd34d;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #92400e;
  text-align: center;
}
.highlight-disclaimer p { margin: 0; }

/* ── Standalone API Section ── */
.api-notice {
  padding: 1rem 1.5rem;
  background: #eff6ff;
  border: 1px solid #93c5fd;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #1e40af;
  text-align: center;
  margin-bottom: 2.5rem;
}
.api-notice p { margin: 0; }
.api-notice code {
  background: rgba(37, 99, 235, 0.1);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-family: var(--code-font);
  font-size: 0.85em;
}
.api-table code {
  font-family: var(--code-font);
  font-size: 0.85em;
  color: var(--accent-dark);
  white-space: nowrap;
}

/* ── AI & CLI Section ── */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.ai-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.ai-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}
.ai-card-icon {
  font-size: 2rem;
  margin-bottom: 0.8rem;
}
.ai-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.ai-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.ai-card code {
  font-family: var(--code-font);
  font-size: 0.85em;
  background: rgba(247, 148, 29, 0.1);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}
.ai-vision {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, var(--accent-light), #ede9fe);
  border-radius: 12px;
}
.ai-vision h3 {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}
.ai-vision p {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto;
  line-height: 1.65;
}
.ai-vision code {
  font-family: var(--code-font);
  font-size: 0.85em;
  background: rgba(247, 148, 29, 0.15);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}

/* ── Beta Banner ── */
.beta-banner {
  background: linear-gradient(135deg, #fef3cd 0%, #ffeeba 100%);
  border-bottom: 2px solid #f0c040;
  padding: 0.8rem 0;
  text-align: center;
  font-size: 0.95rem;
}
.beta-banner p {
  margin: 0;
  color: #664d03;
}
.beta-banner a {
  color: #664d03;
  font-weight: 600;
  text-decoration: underline;
}
.beta-banner a:hover {
  color: #332600;
}

/* ── Hero Credit ── */
.hero-credit {
  margin-top: 1.2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.hero-credit a {
  color: var(--text);
  text-decoration: underline;
}
.hero-credit a:hover {
  color: var(--accent-dark);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero .subtitle { font-size: 1rem; }
  .screenshot-row, .screenshot-row.reverse { flex-direction: column; }
  .screenshot-img { min-width: unset; }
  .steps { grid-template-columns: 1fr; }
  .stats { gap: 1.5rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  }
  .section { padding: 3rem 0; }
  .section-header h2 { font-size: 1.7rem; }
  .highlights-grid { grid-template-columns: 1fr; }
  .highlight-card--hero { grid-column: span 1; }
  .ai-grid { grid-template-columns: 1fr; }
}