/* ==========================================================================
   Banksia Bushfire — public brand site (banksiagis.com.au)
   Zero-build vanilla CSS. Earth-green base (logo-aligned) with burnt-orange
   fire accent (#b34700 — Construction's WCAG-AA primary). Fluid type via
   clamp(); honours prefers-reduced-motion.
   ========================================================================== */

:root {
  --green-deep: #163f2c;
  --green: #205c40;
  --green-soft: #2e7d4f;
  --fire: #b34700;
  --fire-bright: #e67e22;
  --cream: #f7f5f0;
  --paper: #ffffff;
  --sand: #efe9dd;
  --ink: #1d2823;
  --muted: #5b6a61;
  --line: #e0dcd2;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --step-0: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  --step-2: clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
  --step-3: clamp(2.2rem, 1.7rem + 2.4vw, 3.6rem);

  --space: clamp(4rem, 3rem + 4vw, 7rem);
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 640; line-height: 1.12; margin: 0 0 0.5em; color: var(--green-deep); }
h1 { font-size: var(--step-3); letter-spacing: -0.01em; }
h1 em { font-style: italic; color: var(--fire); }
h2 { font-size: var(--step-2); max-width: 24ch; }
h3 { font-size: var(--step-1); font-weight: 500; }
p { margin: 0 0 1em; }

a { color: var(--green); }
a:focus-visible { outline: 3px solid var(--fire-bright); outline-offset: 2px; border-radius: 4px; }

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fire);
  margin: 0 0 0.9em;
}

.lede { font-size: var(--step-1); color: var(--muted); max-width: 56ch; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  background: var(--green-deep);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 0.85em 1.6em;
  border-radius: 999px;
  border: 2px solid var(--green-deep);
  transition: background 0.18s ease, transform 0.18s ease;
}
.btn:hover { background: var(--green); border-color: var(--green); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--green-deep); }
.btn-ghost:hover { background: rgba(32, 92, 64, 0.08); }
.btn-small { padding: 0.55em 1.2em; font-size: 0.9rem; }
.btn-light { background: #fff; color: var(--green-deep); border-color: #fff; }
.btn-light:hover { background: var(--sand); border-color: var(--sand); }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--cream) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--green-deep);
  font-size: 1.05rem;
  margin-right: auto;
}
.brand strong { font-weight: 700; }
.brand img { border-radius: 8px; }
.nav-links { display: flex; gap: 22px; }
.nav-links a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--fire); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* ---------- hero ---------- */
.hero { padding: var(--space) 0 calc(var(--space) * 0.8); position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 70% at 85% 20%, rgba(230, 126, 34, 0.10), transparent 60%),
    radial-gradient(50% 60% at 10% 90%, rgba(32, 92, 64, 0.10), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 48px;
  align-items: center;
  position: relative;
}
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } .hero-art { order: -1; max-width: 220px; } }
.hero-art img { filter: drop-shadow(0 24px 40px rgba(22, 63, 44, 0.18)); }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 1.6em 0; }

.trust-strip {
  list-style: none;
  display: flex;
  gap: 10px 22px;
  flex-wrap: wrap;
  padding: 1.1em 0 0;
  margin: 0;
  border-top: 1px solid var(--line);
}
.trust-strip li {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.trust-strip li::before { content: "✓ "; color: var(--green-soft); }

/* ---------- sections ---------- */
.section { padding: var(--space) 0; }
.section-tint { background: var(--sand); }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-top: 2.2em;
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.card h3 { color: var(--green-deep); }
.card p { color: var(--muted); font-size: 0.97rem; }
.card-for {
  margin-top: auto;
  padding-top: 1em;
  font-size: 0.8rem !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fire) !important;
  font-weight: 600;
}

/* ---------- steps ---------- */
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 2.2em 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}
.steps li {
  counter-increment: step;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  position: relative;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--fire);
  display: block;
  margin-bottom: 8px;
}
.steps p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* ---------- technology split ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  margin-top: 2em;
  align-items: start;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.feature-list li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--fire);
  border-radius: 10px;
  padding: 18px 22px;
}
.feature-list h3 { font-size: 1.05rem; font-family: var(--font-body); font-weight: 600; margin-bottom: 0.3em; }
.feature-list p { color: var(--muted); font-size: 0.93rem; margin: 0; }

.beta-note {
  margin-top: 2.4em;
  padding: 16px 22px;
  background: rgba(230, 126, 34, 0.08);
  border: 1px solid rgba(179, 71, 0, 0.25);
  border-radius: 10px;
  font-size: 0.95rem;
  color: var(--ink);
}

/* ---------- about / values ---------- */
.values { display: grid; gap: 18px; align-content: start; }
.value {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 22px;
}
.value h3 { font-size: 1rem; font-family: var(--font-body); font-weight: 600; color: var(--fire); margin-bottom: 0.25em; text-transform: uppercase; letter-spacing: 0.08em; }
.value p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* ---------- contact band ---------- */
.contact-band {
  background: linear-gradient(135deg, var(--green-deep), var(--green) 70%);
  color: #fff;
  text-align: center;
  padding: var(--space) 0;
}
.contact-band h2 { color: #fff; margin-inline: auto; }
.contact-band p { color: rgba(255, 255, 255, 0.85); max-width: 52ch; margin: 0 auto 1.8em; }

/* ---------- footer ---------- */
.site-footer { background: #11271c; color: #cfdcd4; padding: 48px 0 32px; font-size: 0.92rem; }
.site-footer a { color: #e9c79b; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; align-items: start; }
.footer-fine { margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, 0.12); }
.footer-fine p { color: #8aa394; font-size: 0.8rem; max-width: 80ch; margin: 0; }

/* ---------- legal pages ---------- */
.legal { padding: calc(var(--space) * 0.6) 0 var(--space); max-width: 760px; margin: 0 auto; }
.legal h1 { font-size: var(--step-2); }
.legal h2 { font-size: 1.2rem; margin-top: 2em; }
.legal p, .legal li { color: var(--muted); font-size: 0.97rem; }