/* ============================================================
   Orion Alternatives Education Portal — Design System
   Adapted from Aqua-library editorial pattern
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400;1,500&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Orion brand */
  --orion-blue: #0F4DBC;
  --orion-blue-deep: #0A3A92;
  --orion-blue-soft: #E8EFFB;
  --orion-blue-bright: #1B6FE0;
  --orion-navy: #1A2D52;
  --orion-navy-deep: #0F1E3D;

  /* Surface — Orion-tuned warm canvas (cooler than Aqua's Linen, but same floating-on-canvas feel) */
  --surface: #F5F7FB;          /* page background — subtle cool off-white */
  --surface-warm: #FBFAF8;     /* warm variant for select sections */
  --surface-alt: #EDF1F7;      /* deeper canvas — section dividers */
  --paper: #FFFFFF;            /* cards, panels — white on canvas */

  /* Text */
  --text-primary: #1F2937;
  --text-secondary: #475569;
  --text-tertiary: #94A3B8;
  --text-inverse: #FFFFFF;
  --text-on-dark: #E8EFFB;

  /* Lines */
  --border: #DCE3ED;
  --border-light: #EAEEF5;
  --border-strong: #C5CFDD;

  /* Status */
  --success: #16A34A;
  --success-soft: #E8F5EE;
  --error: #DC2626;
  --error-soft: #FBEAEA;
  --warning: #E35A1F;
  --warning-soft: #FDEEE5;

  /* Chart palette */
  --chart-1: #0F4DBC;
  --chart-2: #1B6FE0;
  --chart-3: #4A8BD9;
  --chart-4: #7AABE6;
  --chart-5: #A8C5EE;
  --chart-6: #1A2D52;
  --chart-7: #E35A1F;
  --chart-8: #16A34A;

  /* Spacing */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px; --s-10: 128px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);
  --shadow-blue: 0 8px 24px rgba(15, 77, 188, 0.18);

  /* Radius */
  --r-1: 6px; --r-2: 10px; --r-3: 16px; --r-pill: 999px;

  /* Fonts */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--surface);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--orion-blue); text-decoration: none; }
a:hover { color: var(--orion-blue-deep); }

img { max-width: 100%; height: auto; display: block; }

/* ============================================================
   Type Scale — Editorial (serif Display + italic em accent)
   ============================================================ */
.display {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--orion-navy);
}
.display em { font-style: italic; color: var(--orion-blue); font-weight: 400; }

.h1 {
  font-family: var(--font-body);
  font-size: clamp(30px, 3.6vw, 42px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--orion-navy);
}
.h1 em { font-style: italic; color: var(--orion-blue); font-weight: 500; }

/* Editorial h1 — serif w/ italic accent (when used as section opener) */
.h1-serif {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.8vw, 56px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--orion-navy);
}
.h1-serif em { font-style: italic; color: var(--orion-blue); font-weight: 400; }

.h2 { font-family: var(--font-body); font-size: clamp(24px, 2.6vw, 30px); font-weight: 600; line-height: 1.2; letter-spacing: -0.015em; color: var(--orion-navy); }
.h3 { font-size: 20px; font-weight: 600; line-height: 1.3; color: var(--orion-navy); }
.h4 { font-size: 16px; font-weight: 600; line-height: 1.4; color: var(--orion-navy); }
.lede { font-size: 18px; line-height: 1.6; color: var(--text-secondary); }
.body { font-size: 16px; line-height: 1.6; color: var(--text-primary); }
.body-sm { font-size: 14px; line-height: 1.55; color: var(--text-secondary); }
.caption { font-size: 12px; line-height: 1.4; color: var(--text-tertiary); }

/* Mono overline — signature Aqua-library pattern */
.overline {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  text-transform: none;
}
.overline-blue { color: var(--orion-blue); }
.overline strong { color: var(--orion-blue); font-weight: 500; }

/* ============================================================
   Layout primitives
   ============================================================ */
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 880px; margin: 0 auto; padding: 0 24px; }

.section { padding: var(--s-9) 0; }
.section-sm { padding: var(--s-7) 0; }

.grid { display: grid; gap: var(--s-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 900px) { .grid-2, .grid-3, .grid-4, .grid-6 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4, .grid-6 { grid-template-columns: 1fr; } }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-col { display: flex; flex-direction: column; }
.gap-2 { gap: var(--s-2); } .gap-3 { gap: var(--s-3); } .gap-4 { gap: var(--s-4); } .gap-5 { gap: var(--s-5); }

/* ============================================================
   Navigation — Dark, full-width (Aqua-library pattern)
   ============================================================ */
.nav-wrap { background: var(--orion-navy); border-bottom: 1px solid rgba(255,255,255,0.06); position: sticky; top: 0; z-index: 100; }
.nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 26px; width: auto; filter: brightness(0) invert(1); }
.nav-divider { width: 1px; height: 18px; background: rgba(255,255,255,0.18); }
.nav-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.55);
  white-space: nowrap;
}
.nav-tagline strong { color: var(--orion-blue-soft); font-weight: 500; }
.nav-links { display: flex; gap: 6px; flex: 1; }
.nav-link {
  padding: 7px 12px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.78);
  border-radius: var(--r-1);
  transition: all 0.18s ease;
  white-space: nowrap;
}
.nav-link:hover { color: white; background: rgba(255,255,255,0.06); }
.nav-link.active { color: var(--orion-blue-soft); background: rgba(15, 111, 224, 0.18); }
.nav-link.external::after { content: ' ↗'; color: rgba(255,255,255,0.4); font-size: 12px; }
.nav-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.45);
  white-space: nowrap;
}
.nav-meta strong { color: var(--orion-blue-soft); font-weight: 500; }
.nav-cta {
  background: var(--orion-blue);
  color: white;
  padding: 8px 16px;
  border-radius: var(--r-1);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.18s ease;
}
.nav-cta:hover { background: var(--orion-blue-bright); color: white; }
@media (max-width: 900px) { .nav-links { display: none; } .nav-tagline { display: none; } .nav-divider { display: none; } .nav-meta { display: none; } }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--orion-blue); color: white; }
.btn-primary:hover { background: var(--orion-blue-deep); color: white; box-shadow: var(--shadow-blue); }
.btn-secondary { background: var(--orion-blue-soft); color: var(--orion-blue); }
.btn-secondary:hover { background: #D5E3F8; color: var(--orion-blue-deep); }
.btn-ghost { background: transparent; color: var(--text-primary); border: 1.5px solid var(--border-strong); }
.btn-ghost:hover { border-color: var(--orion-navy); color: var(--orion-navy); }
.btn-dark { background: var(--orion-navy); color: white; }
.btn-dark:hover { background: var(--orion-navy-deep); color: white; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ============================================================
   Cards — float on canvas
   ============================================================ */
.card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-5);
  transition: all 0.2s ease;
  position: relative;
}
.card:hover { box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.card-link { display: block; text-decoration: none; color: inherit; }
.card-link:hover { color: inherit; }
.card-link:hover .card-title { color: var(--orion-blue); }
.card-elev { background: var(--surface-alt); border: 1px solid var(--border-light); }
.card-blue { background: var(--orion-blue-soft); border: 1px solid #C7D7F1; }
.card-dark { background: var(--orion-navy); color: var(--text-inverse); border: none; }
.card-dark .card-title, .card-dark .h3, .card-dark .h4 { color: var(--text-inverse); }
.card-dark .body-sm, .card-dark .caption { color: rgba(255,255,255,0.75); }

.card-icon { width: 44px; height: 44px; border-radius: var(--r-2); background: var(--orion-blue-soft); display: flex; align-items: center; justify-content: center; color: var(--orion-blue); margin-bottom: var(--s-3); }
.card-title { font-size: 17px; font-weight: 600; color: var(--orion-navy); margin: 0 0 6px 0; transition: color 0.18s ease; }
.card-desc { font-size: 14px; color: var(--text-secondary); margin: 0; line-height: 1.5; }
.card-meta { display: flex; align-items: center; gap: 8px; margin-top: var(--s-4); padding-top: var(--s-3); border-top: 1px solid var(--border-light); font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); letter-spacing: 0.04em; }

/* ============================================================
   Tags / Badges
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  background: var(--orion-blue-soft);
  color: var(--orion-blue);
  letter-spacing: 0.04em;
}
.tag-dark { background: var(--orion-navy); color: white; }
.tag-ghost { background: transparent; border: 1px solid var(--border); color: var(--text-secondary); }
.tag-success { background: var(--success-soft); color: var(--success); }
.tag-warning { background: var(--warning-soft); color: var(--warning); }

/* Tag with count (Aqua-library filter-pill pattern) */
.tag-count {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  background: var(--paper);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: var(--font-body);
}
.tag-count:hover { border-color: var(--orion-navy); }
.tag-count.active { background: var(--orion-navy); color: white; border-color: var(--orion-navy); }
.tag-count .count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  font-weight: 500;
}
.tag-count.active .count { color: rgba(255,255,255,0.7); }

/* ============================================================
   Section header — Aqua-library pattern
   Big number + section title + count meta
   ============================================================ */
.section-num {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--orion-blue);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.section-h {
  display: flex; align-items: baseline; gap: 18px;
  margin-bottom: var(--s-6);
  padding-top: var(--s-4);
  border-top: 1px solid var(--border);
  padding-bottom: 8px;
  flex-wrap: wrap;
}
.section-h-title { font-family: var(--font-body); font-size: 30px; font-weight: 600; color: var(--orion-navy); margin: 0; letter-spacing: -0.01em; }
.section-h-meta { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); letter-spacing: 0.06em; }
.section-h-meta strong { color: var(--orion-blue); font-weight: 500; }
.section-h-desc { font-size: 14px; color: var(--text-secondary); margin: 0 0 var(--s-6) 0; max-width: 720px; line-height: 1.6; }

/* ============================================================
   Hero
   ============================================================ */
.hero { position: relative; padding: var(--s-9) 0 var(--s-9); overflow: hidden; }
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -120px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(15, 77, 188, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; }
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--orion-blue);
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 10px;
}
.hero-eyebrow::before { content: ''; width: 24px; height: 1.5px; background: var(--orion-blue); }
.hero-eyebrow strong { color: var(--text-primary); font-weight: 500; }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 92px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--orion-navy);
  margin: 0 0 28px 0;
  max-width: 980px;
}
.hero h1 em { font-style: italic; color: var(--orion-blue); font-weight: 400; }
.hero-sub { font-size: 19px; line-height: 1.6; color: var(--text-secondary); max-width: 680px; margin: 0 0 36px 0; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: var(--s-8); padding-top: var(--s-6); border-top: 1px solid var(--border); }
.hero-stat { padding-right: 24px; border-right: 1px solid var(--border); }
.hero-stat:last-child { border-right: none; }
.hero-stat-value {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 400;
  color: var(--orion-navy);
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero-stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-top: 12px;
  line-height: 1.4;
}
@media (max-width: 700px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .hero-stat { border-right: none; padding-right: 0; }
}

/* ============================================================
   KPI tiles
   ============================================================ */
.kpi {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-5);
}
.kpi-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 10px;
}
.kpi-value {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 400;
  color: var(--orion-navy);
  line-height: 1;
  letter-spacing: -0.02em;
}
.kpi-delta { font-size: 13px; margin-top: 10px; font-weight: 500; font-family: var(--font-body); }
.kpi-delta.pos { color: var(--success); }
.kpi-delta.neg { color: var(--error); }
.kpi-sub { font-size: 12px; color: var(--text-secondary); margin-top: 6px; }

/* ============================================================
   Footer
   ============================================================ */
.footer { background: var(--orion-navy); color: var(--text-inverse); padding: var(--s-8) 0 var(--s-6); margin-top: var(--s-9); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; color: rgba(255,255,255,0.55); margin: 0 0 14px 0; font-weight: 500; }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer a { color: rgba(255,255,255,0.85); font-size: 14px; }
.footer a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); font-family: var(--font-mono); font-size: 11px; color: rgba(255,255,255,0.5); letter-spacing: 0.04em; }
.footer-tagline { font-family: var(--font-display); font-style: italic; font-size: 17px; color: rgba(255,255,255,0.85); max-width: 320px; line-height: 1.5; margin-top: 12px; }

/* ============================================================
   Tables
   ============================================================ */
.table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 14px; }
.table th { text-align: left; font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.06em; color: var(--text-tertiary); padding: 12px 16px; border-bottom: 1px solid var(--border); }
.table td { padding: 14px 16px; border-bottom: 1px solid var(--border-light); color: var(--text-primary); }
.table tr:hover td { background: var(--orion-blue-soft); }
.table .num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 500; }

/* ============================================================
   Form elements
   ============================================================ */
.input, .select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-2);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
  background: var(--paper);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.input:focus, .select:focus {
  outline: none;
  border-color: var(--orion-blue);
  box-shadow: 0 0 0 3px var(--orion-blue-soft);
}
.label { font-size: 13px; font-weight: 500; color: var(--text-primary); margin-bottom: 6px; display: block; }

/* Slider */
.slider-row { display: grid; grid-template-columns: 140px 1fr 70px; gap: 16px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--border-light); }
.slider-row:last-child { border-bottom: none; }
.slider-label { font-size: 14px; font-weight: 500; color: var(--orion-navy); display: flex; align-items: center; gap: 8px; }
.slider-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
input[type="range"].slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px; border-radius: 999px;
  background: var(--border-light);
  outline: none;
}
input[type="range"].slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--orion-blue); cursor: pointer;
  border: 3px solid white;
  box-shadow: 0 2px 6px rgba(15, 77, 188, 0.4);
  transition: transform 0.15s ease;
}
input[type="range"].slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"].slider::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--orion-blue); cursor: pointer;
  border: 3px solid white;
  box-shadow: 0 2px 6px rgba(15, 77, 188, 0.4);
}
.slider-value { font-family: var(--font-mono); font-weight: 500; font-variant-numeric: tabular-nums; color: var(--orion-navy); text-align: right; font-size: 14px; }

/* ============================================================
   Tabs
   ============================================================ */
.tabs { display: flex; gap: 4px; padding: 6px; background: var(--paper); border-radius: var(--r-pill); border: 1px solid var(--border); margin-bottom: 32px; flex-wrap: wrap; }
.tab {
  padding: 8px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border: none;
  background: transparent;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all 0.18s ease;
}
.tab:hover { color: var(--orion-blue); }
.tab.active { background: var(--orion-navy); color: white; box-shadow: var(--shadow-sm); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ============================================================
   Breadcrumb
   ============================================================ */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); margin-bottom: 16px; letter-spacing: 0.04em; }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--orion-blue); }
.breadcrumb-sep { color: var(--text-tertiary); }

/* ============================================================
   Filter pill row (Aqua-library category-filter pattern)
   ============================================================ */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.filter-row-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  margin-right: 8px;
}

/* ============================================================
   Drop briefing block (Aqua-library /drops pattern)
   Target · Hook · Funnel three-up
   ============================================================ */
.drop-brief {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: var(--s-7) 0;
}
@media (max-width: 800px) { .drop-brief { grid-template-columns: 1fr; } }
.drop-brief-cell {
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
}
.drop-brief-cell h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orion-blue);
  margin: 0 0 12px;
  font-weight: 500;
}
.drop-brief-cell p { font-size: 14px; line-height: 1.6; color: var(--text-primary); margin: 0; }
.drop-brief-cell .tags { margin-top: 14px; display: flex; gap: 6px; flex-wrap: wrap; }

/* ============================================================
   Misc utilities
   ============================================================ */
.mt-1{margin-top:var(--s-1)} .mt-2{margin-top:var(--s-2)} .mt-3{margin-top:var(--s-3)} .mt-4{margin-top:var(--s-4)} .mt-5{margin-top:var(--s-5)} .mt-6{margin-top:var(--s-6)} .mt-7{margin-top:var(--s-7)} .mt-8{margin-top:var(--s-8)}
.mb-1{margin-bottom:var(--s-1)} .mb-2{margin-bottom:var(--s-2)} .mb-3{margin-bottom:var(--s-3)} .mb-4{margin-bottom:var(--s-4)} .mb-5{margin-bottom:var(--s-5)} .mb-6{margin-bottom:var(--s-6)}
.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.divider { height: 1px; background: var(--border); margin: 32px 0; border: none; }

/* SVG icon helper */
.icon { width: 22px; height: 22px; display: inline-block; stroke: currentColor; stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.icon-lg { width: 28px; height: 28px; }
.icon-xl { width: 40px; height: 40px; }

.orion-star { display: inline-block; color: var(--orion-blue); }

/* Legacy compatibility (used in existing pages) */
.section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: var(--s-6); gap: var(--s-5); flex-wrap: wrap; padding-top: var(--s-5); border-top: 1px solid var(--border); }
.section-header .section-num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--orion-blue);
  background: none;
}
.section-title { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.section-title h2 { margin: 0; font-family: var(--font-body); }
.section-desc { max-width: 460px; font-size: 14px; color: var(--text-secondary); line-height: 1.6; }