/* CALIBRA Systems — calibrasystems.com.au */
:root {
  --navy: #1F2D3D;
  --gold: #B79E60;
  --cream: #F8F5EE;
  --grey: #5A6770;
  --ink: #1A1A1A;
  --rule: #E0E3E6;
  --tint: #EFF1F3;
  --max-width: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0; padding: 0;
  background: #ffffff; color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(31, 45, 61, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(183, 158, 96, 0.2);
}
.header-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: white; font-weight: 700; }
.brand-c { background: white; color: var(--navy); width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 800; border-radius: 2px; }
.brand-text { font-size: 18px; letter-spacing: 1.5px; }
.brand-tm { font-size: 11px; color: var(--gold); }
.primary-nav { display: flex; align-items: center; gap: 24px; }
.primary-nav a { color: rgba(255,255,255,0.9); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.15s; }
.primary-nav a:hover { color: var(--gold); }
.primary-nav .cta { background: var(--gold); color: var(--navy); padding: 8px 16px; border-radius: 4px; font-weight: 700; }
.primary-nav .cta:hover { background: white; color: var(--navy); }
@media (max-width: 720px) { .primary-nav a:not(.cta) { display: none; } }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #0F1A2A 100%);
  color: white;
  padding: 100px 0 120px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50px; right: -50px;
  width: 400px; height: 400px;
  border: 2px solid rgba(183, 158, 96, 0.15);
  border-radius: 50%;
}
.hero::after {
  content: ''; position: absolute; bottom: -100px; right: 100px;
  width: 600px; height: 600px;
  border: 1px solid rgba(183, 158, 96, 0.08);
  border-radius: 50%;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { font-size: clamp(40px, 7vw, 76px); line-height: 1.05; margin: 16px 0 24px; font-weight: 700; letter-spacing: -1px; }
.hero .lede { font-size: clamp(17px, 2vw, 22px); color: rgba(255,255,255,0.85); max-width: 680px; margin: 0 0 36px; line-height: 1.45; }
.eyebrow { font-size: 12px; letter-spacing: 2px; font-weight: 700; color: var(--gold); }
.eyebrow.gold { color: var(--gold); }

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 14px 28px; border-radius: 4px; text-decoration: none; font-weight: 600; font-size: 15px; transition: all 0.15s; border: 2px solid transparent; cursor: pointer; }
.btn-primary { background: var(--gold); color: var(--navy); }
.btn-primary:hover { background: white; }
.btn-ghost { background: transparent; color: white; border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* Section headers */
section { padding: 90px 0; }
section h2 { font-size: clamp(28px, 4vw, 42px); margin: 12px 0 24px; color: var(--navy); font-weight: 700; letter-spacing: -0.5px; line-height: 1.15; }

/* Moat */
.moat { background: var(--cream); }
.moat-lede { font-size: 19px; max-width: 760px; color: var(--ink); margin-bottom: 48px; }
.moat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 32px 0; }
@media (max-width: 800px) { .moat-grid { grid-template-columns: 1fr; } }
.moat-card { background: white; padding: 32px 28px; border-radius: 8px; border-top: 4px solid var(--gold); box-shadow: 0 2px 12px rgba(31, 45, 61, 0.06); }
.moat-num { font-size: 14px; color: var(--gold); font-weight: 700; letter-spacing: 2px; margin-bottom: 8px; }
.moat-card h3 { color: var(--navy); margin: 0 0 12px; font-size: 19px; line-height: 1.3; }
.moat-card p { color: var(--grey); font-size: 15px; line-height: 1.55; margin: 0; }
.moat-tagline { margin: 40px 0 0; font-size: 18px; font-style: italic; color: var(--navy); text-align: center; padding: 24px; background: white; border-left: 4px solid var(--gold); }

/* Calibration */
.calibration { background: white; }
.cal-lede { font-size: 17px; max-width: 760px; color: var(--ink); margin-bottom: 36px; }
.cal-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.cal-table th { background: var(--navy); color: white; padding: 12px 16px; text-align: left; font-size: 12px; letter-spacing: 1px; }
.cal-table td { padding: 14px 16px; border-bottom: 1px solid var(--rule); font-size: 15px; }
.cal-table tbody tr:hover { background: var(--cream); }
.cal-table .pooled { background: var(--cream); }
.cal-table .pooled td { border-top: 2px solid var(--gold); border-bottom: none; }
.cal-note { font-size: 13px; color: var(--grey); margin-top: 16px; font-style: italic; }

/* Volumes */
.volumes { background: var(--cream); }
.vol-lede { font-size: 17px; max-width: 760px; margin-bottom: 36px; }
.volumes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-top: 32px; }
.volume-card {
  background: white;
  padding: 24px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--ink);
  display: block;
  border-left: 6px solid var(--vol-colour, var(--navy));
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.volume-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(31, 45, 61, 0.12); }
.vol-tag { font-size: 11px; letter-spacing: 1.5px; font-weight: 700; color: var(--vol-colour); margin-bottom: 8px; }
.volume-card h3 { color: var(--navy); margin: 0 0 12px; font-size: 17px; line-height: 1.3; }
.vol-buyer { font-size: 13px; color: var(--grey); margin-bottom: 8px; }
.vol-calibration { font-size: 13px; color: var(--vol-colour); font-weight: 600; }

/* Meridian */
.meridian { background: var(--navy); color: white; }
.meridian h2 { color: white; }
.meridian p { color: rgba(255,255,255,0.85); font-size: 17px; line-height: 1.6; }
.meridian .eyebrow { color: var(--gold); }
.interaction-list { list-style: none; padding: 0; margin: 32px 0; counter-reset: ix; }
.interaction-list li { counter-increment: ix; padding: 20px 0 20px 60px; position: relative; border-bottom: 1px solid rgba(255,255,255,0.1); font-size: 16px; color: rgba(255,255,255,0.9); }
.interaction-list li::before { content: counter(ix); position: absolute; left: 0; top: 18px; font-family: 'Inter', sans-serif; font-size: 32px; font-weight: 700; color: var(--gold); width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; }
.interaction-list li strong { color: var(--gold); display: block; margin-bottom: 6px; }
.interaction-list li:last-child { border-bottom: none; }
.cta-line { font-style: italic; font-size: 18px; text-align: center; padding: 24px 0; color: var(--gold); }

/* Subscribe */
.subscribe { background: white; }
.signup-form { display: grid; grid-template-columns: 2fr 1fr auto; gap: 12px; max-width: 700px; margin: 32px 0 16px; }
@media (max-width: 600px) { .signup-form { grid-template-columns: 1fr; } }
.signup-form input { padding: 14px 16px; border: 1px solid var(--rule); border-radius: 4px; font-size: 15px; font-family: inherit; }
.signup-form input:focus { outline: none; border-color: var(--gold); }
.signup-note { color: var(--gold); font-weight: 600; min-height: 24px; }
.privacy-note { font-size: 13px; color: var(--grey); max-width: 700px; margin-top: 16px; font-style: italic; }

/* Footer */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.7); padding: 48px 0 24px; }
.footer-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; flex-wrap: wrap; }
.brand-mini { color: white; font-size: 14px; letter-spacing: 1.5px; font-weight: 700; margin-bottom: 8px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--gold); }
.footer-fine { margin-top: 32px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 12px; color: rgba(255,255,255,0.5); }