/* ═══════════════════════════════════════════════
   FreightGauge — Site Stylesheet
   Refined, minimal. en-AU.
═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

:root {
  --ink:        #111814;
  --ink-muted:  #5c6860;
  --ink-faint:  #9aada6;
  --fg-dark:    #1a3d1f;
  --fg-mid:     #2d6831;
  --fg-acc:     #43a047;
  --fg-light:   #e8f5e9;
  --fg-xlight:  #f4faf4;
  --red:        #b71c1c;
  --border:     #e4ece6;
  --bg:         #fafcfa;
  --white:      #ffffff;
  --radius:     10px;
  --max:        1080px;
  --nav-h:      68px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}
h1 { font-size: clamp(38px, 5.5vw, 64px); }
h2 { font-size: clamp(28px, 3.5vw, 42px); }
h3 { font-size: clamp(20px, 2.2vw, 26px); }
h4 { font-size: 18px; }

p { color: var(--ink-muted); }
strong { color: var(--ink); font-weight: 600; }

a { color: inherit; text-decoration: none; }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(250, 252, 250, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  transition: box-shadow 0.2s;
}
.nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 17px;
  color: var(--fg-dark);
  letter-spacing: -0.3px;
}
.nav-brand-dot {
  width: 8px; height: 8px;
  background: var(--red);
  border-radius: 50%;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  border-radius: 6px;
  transition: all 0.15s;
}
.nav-link:hover { color: var(--ink); background: var(--fg-xlight); }
.nav-link.active { color: var(--fg-dark); font-weight: 600; }
.nav-cta {
  padding: 8px 20px;
  background: var(--fg-dark);
  color: var(--white) !important;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s;
  margin-left: 8px;
}
.nav-cta:hover { background: var(--fg-mid) !important; }

/* Mobile nav toggle */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.2s;
}
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 99;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-muted);
  border-radius: 8px;
}
.mobile-nav a:hover { background: var(--fg-xlight); color: var(--fg-dark); }
.mobile-nav .nav-cta {
  margin-top: 8px;
  text-align: center;
  display: block;
  margin-left: 0;
}

/* ── PAGE WRAPPER ── */
.page { padding-top: var(--nav-h); }
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  font-family: 'DM Sans', sans-serif;
  text-decoration: none;
}
.btn-primary {
  background: var(--fg-dark);
  color: white;
}
.btn-primary:hover { background: var(--fg-mid); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26,61,31,0.25); }
.btn-outline {
  background: transparent;
  color: var(--fg-dark);
  border: 1.5px solid var(--fg-dark);
}
.btn-outline:hover { background: var(--fg-xlight); }
.btn-ghost {
  background: transparent;
  color: var(--ink-muted);
  padding: 14px 0;
}
.btn-ghost:hover { color: var(--ink); }
.btn-ghost::after { content: ' →'; }

/* ── LABELS / TAGS ── */
.label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 20px;
}
.label-green { background: var(--fg-light); color: var(--fg-dark); }
.label-red   { background: #fce8e8; color: var(--red); }
.label-muted { background: #f0f0f0; color: var(--ink-muted); }

/* ── DIVIDER ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* ── SECTION SPACING ── */
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-lg { padding: 128px 0; }

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
  margin-top: 0;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-brand {
  font-weight: 600;
  font-size: 15px;
  color: var(--fg-dark);
}
.footer-tagline {
  font-size: 13px;
  color: var(--ink-faint);
  font-style: italic;
  font-family: 'Instrument Serif', serif;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 13px;
  color: var(--ink-muted);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--fg-dark); }
.footer-copy {
  font-size: 12px;
  color: var(--ink-faint);
  width: 100%;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ── CARDS ── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.07); transform: translateY(-2px); }

/* ── GRID ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ── PAGE HERO ── */
.page-hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--border);
}

/* ── ANIMATIONS ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .container { padding: 0 20px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .footer-inner { flex-direction: column; gap: 12px; }
  .footer-links { flex-wrap: wrap; gap: 16px; }
}