/* ============================================================
   Advantage Access — sector page shared styles
   Used by Wind, Transmission, Data Centres, BESS & Solar, Water, Environmental Restoration.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg-1); color: var(--fg-1); font: var(--t-body); -webkit-font-smoothing: antialiased; }
a { color: var(--aa-forest-800); text-decoration: none; transition: color 150ms ease-out; }
a:hover { color: var(--aa-gold-700); }
img { display: block; max-width: 100%; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 48px; }

/* ---------- Top nav (matches Home) ---------- */
.nav { position: sticky; top: 0; z-index: 100; background: var(--aa-paper); border-bottom: 1px solid var(--border-1); height: 64px; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.nav-logo { display: flex; align-items: center; height: 36px; }
.nav-logo img { height: 30px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link { font: 700 13px/1 var(--font-display); letter-spacing: 0.02em; color: var(--aa-forest-800); padding: 8px 0; position: relative; }
.nav-link.is-active { color: var(--aa-gold-700); }
.nav-link.is-active::after { content: ""; position: absolute; bottom: -8px; left: 0; right: 0; height: 2px; background: var(--aa-gold-600); }
.nav-link:hover { color: var(--aa-gold-700); }
.nav-cta { display: inline-flex; align-items: center; padding: 10px 18px; background: var(--aa-forest-800); color: var(--fg-inv) !important; font: 700 13px/1 var(--font-display); letter-spacing: 0.02em; border-radius: 2px; transition: background 150ms ease-out; }
.nav-cta:hover { background: var(--aa-forest-700); color: var(--fg-inv) !important; }

/* ---------- Breadcrumbs ---------- */
.crumbs { padding: 20px 0 0; font: 700 11px/1 var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--aa-stone-600); }
.crumbs a { color: var(--aa-stone-600); }
.crumbs a:hover { color: var(--aa-gold-700); }
.crumbs .sep { margin: 0 10px; color: var(--aa-sand-400); }
.crumbs .here { color: var(--aa-forest-800); }

/* ---------- Sector hero ---------- */
.s-hero { position: relative; min-height: 480px; display: flex; align-items: flex-end; overflow: hidden; }
.s-hero-photo { position: absolute; inset: 0; background-size: cover; background-position: center; }
.s-hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,36,25,0.45) 0%, rgba(15,36,25,0.20) 35%, rgba(15,36,25,0.88) 100%); }
.s-hero-inner { position: relative; width: 100%; padding: 96px 48px 64px; }
.s-hero-eyebrow { font: 700 12px/1 var(--font-display); letter-spacing: 0.22em; text-transform: uppercase; color: var(--aa-gold-500); margin: 0 0 24px; }
.s-hero-eyebrow::before { content: "▸ "; color: var(--aa-gold-600); margin-right: 4px; }
.s-hero h1 { font: 700 56px/1.05 var(--font-display); letter-spacing: -0.015em; color: #FAF7F1; margin: 0; max-width: 920px; text-wrap: balance; }
.s-hero-lede { font: 400 19px/1.5 var(--font-sans); color: rgba(250,247,241,0.85); max-width: 640px; margin: 22px 0 0; }
.s-hero-meta { display: flex; gap: 36px; margin-top: 36px; padding-top: 24px; border-top: 1px solid rgba(250,247,241,0.18); flex-wrap: wrap; }
.s-hero-meta dt { font: 700 11px/1 var(--font-display); letter-spacing: 0.22em; text-transform: uppercase; color: rgba(250,247,241,0.55); margin-bottom: 6px; }
.s-hero-meta dd { font: 700 18px/1.2 var(--font-display); color: #FAF7F1; margin: 0; letter-spacing: -0.005em; }
.s-hero-meta dd .gold { color: var(--aa-gold-500); }

/* ---------- Sector intro (Why AA) ---------- */
.s-intro { padding: 96px 0 80px; background: var(--aa-paper); }
.s-intro-grid { display: grid; grid-template-columns: 1fr 1.45fr; gap: 80px; align-items: start; }
.s-intro h2 { font: 700 40px/1.1 var(--font-display); color: var(--aa-forest-800); letter-spacing: -0.01em; margin: 0; text-wrap: balance; }
.s-intro .eyebrow { font: 700 12px/1 var(--font-display); letter-spacing: 0.22em; text-transform: uppercase; color: var(--aa-gold-700); margin-bottom: 16px; }
.s-intro-body p { font: 400 17px/1.6 var(--font-sans); color: var(--aa-stone-800); margin: 0 0 18px; text-wrap: pretty; }
.s-intro-body p:last-child { margin-bottom: 0; }
.s-intro-body p strong { color: var(--aa-forest-800); }

/* ---------- Scale strip ---------- */
.s-scale { padding: 56px 0; background: var(--aa-forest-800); color: #FAF7F1; }
.s-scale-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.s-scale-cell .n { font: 700 48px/1 var(--font-display); letter-spacing: -0.02em; color: #FAF7F1; }
.s-scale-cell .n sup { font-size: 24px; color: var(--aa-gold-500); margin-left: 2px; vertical-align: 12px; }
.s-scale-cell .l { font: 400 14px/1.4 var(--font-sans); color: rgba(250,247,241,0.7); margin-top: 8px; max-width: 220px; }

/* ---------- Considerations ---------- */
.s-cons { padding: 96px 0; background: var(--aa-paper-2); }
.s-cons-head { max-width: 720px; margin-bottom: 48px; }
.s-cons-head .eyebrow { font: 700 12px/1 var(--font-display); letter-spacing: 0.22em; text-transform: uppercase; color: var(--aa-gold-700); margin-bottom: 16px; }
.s-cons-head h2 { font: 700 36px/1.1 var(--font-display); color: var(--aa-forest-800); letter-spacing: -0.01em; margin: 0; text-wrap: balance; }
.s-cons-head .lede { font: 400 17px/1.55 var(--font-sans); color: var(--aa-stone-600); margin: 16px 0 0; }
.s-cons-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.s-cons-card { background: #fff; border: 1px solid var(--border-1); border-radius: 6px; padding: 28px 24px; display: flex; flex-direction: column; gap: 12px; }
.s-cons-card .num { font: 700 14px/1 var(--font-display); letter-spacing: 0.12em; color: var(--aa-gold-700); }
.s-cons-card h3 { font: 700 20px/1.2 var(--font-display); color: var(--aa-forest-800); margin: 0; letter-spacing: -0.005em; }
.s-cons-card p { font: 400 15px/1.5 var(--font-sans); color: var(--aa-stone-800); margin: 0; }

/* ---------- Case study anchor ---------- */
.s-case { padding: 96px 0; background: var(--aa-paper); }
.s-case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.s-case-photo { aspect-ratio: 4/3; background-size: cover; background-position: center; border-radius: 6px; box-shadow: var(--shadow-2); }
.s-case-body .eyebrow { font: 700 12px/1 var(--font-display); letter-spacing: 0.22em; text-transform: uppercase; color: var(--aa-gold-700); margin-bottom: 16px; }
.s-case-body h2 { font: 700 32px/1.15 var(--font-display); color: var(--aa-forest-800); letter-spacing: -0.005em; margin: 0; text-wrap: balance; }
.s-case-body p { font: 400 16px/1.6 var(--font-sans); color: var(--aa-stone-800); margin: 18px 0 0; }
.s-case-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 28px 0 28px; border-top: 1px solid var(--border-1); }
.s-case-stat { padding: 18px 0; border-bottom: 1px solid var(--border-1); }
.s-case-stat .n { font: 700 24px/1 var(--font-display); color: var(--aa-forest-800); letter-spacing: -0.02em; }
.s-case-stat .l { font: 400 12px/1.4 var(--font-sans); color: var(--aa-stone-600); margin-top: 6px; }
.s-case-tag { display: inline-block; padding: 4px 10px; font: 700 11px/1.4 var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; border-radius: 999px; }
.s-case-tag.approved { background: rgba(74,124,89,0.14); color: var(--aa-go); }
.s-case-tag.anon { background: var(--aa-paper-2); color: var(--aa-stone-600); border: 1px solid var(--border-1); }

/* ---------- Other case studies (anonymised) ---------- */
.s-other { padding: 0 0 96px; background: var(--aa-paper); }
.s-other-head { margin-bottom: 24px; }
.s-other-head .eyebrow { font: 700 12px/1 var(--font-display); letter-spacing: 0.22em; text-transform: uppercase; color: var(--aa-gold-700); margin-bottom: 12px; }
.s-other-head h3 { font: 700 24px/1.2 var(--font-display); color: var(--aa-forest-800); margin: 0; letter-spacing: -0.005em; }
.s-other-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.s-other-card { background: #fff; border: 1px solid var(--border-1); border-radius: 6px; padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.s-other-card .row { display: flex; gap: 16px; justify-content: space-between; align-items: center; }
.s-other-card h4 { font: 700 16px/1.3 var(--font-display); color: var(--aa-forest-800); margin: 0; }
.s-other-card .row .s-case-tag { flex-shrink: 0; }
.s-other-card p { font: 400 14px/1.5 var(--font-sans); color: var(--aa-stone-600); margin: 0; }
.s-other-card dl { display: flex; gap: 24px; margin: 4px 0 0; }
.s-other-card dt { font: 700 10px/1.2 var(--font-display); letter-spacing: 0.18em; text-transform: uppercase; color: var(--aa-stone-600); margin-bottom: 4px; }
.s-other-card dd { font: 700 14px/1.2 var(--font-display); color: var(--aa-forest-800); margin: 0; }

/* ---------- Sector CTA ---------- */
.s-cta { padding: 96px 0; background: var(--aa-forest-900); color: #FAF7F1; }
.s-cta-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: center; }
.s-cta .eyebrow { font: 700 12px/1 var(--font-display); letter-spacing: 0.22em; text-transform: uppercase; color: var(--aa-gold-500); margin-bottom: 16px; }
.s-cta h2 { font: 700 44px/1.05 var(--font-display); color: #FAF7F1; letter-spacing: -0.015em; margin: 0; text-wrap: balance; }
.s-cta p { font: 400 17px/1.55 var(--font-sans); color: rgba(250,247,241,0.78); margin: 18px 0 0; max-width: 520px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 22px; font: 700 13px/1 var(--font-display); letter-spacing: 0.04em; border-radius: 2px; border: 1px solid transparent; cursor: pointer; transition: background 150ms ease-out, color 150ms ease-out; text-decoration: none; }
.btn-gold { background: var(--aa-gold-600); color: var(--aa-forest-900) !important; }
.btn-gold:hover { background: var(--aa-gold-700); color: #FAF7F1 !important; }
.btn-ghost-light { background: transparent; color: #FAF7F1 !important; border-color: rgba(250,247,241,0.45); }
.btn-ghost-light:hover { background: rgba(250,247,241,0.08); color: #FAF7F1 !important; }
.btn-dark { background: var(--aa-forest-800); color: var(--fg-inv) !important; }
.btn-dark:hover { background: var(--aa-forest-700); color: var(--fg-inv) !important; }

/* Quick contact form on sector page */
.s-quick-form { background: rgba(250,247,241,0.04); border: 1px solid rgba(250,247,241,0.12); border-radius: 6px; padding: 28px; }
.s-quick-form h3 { font: 700 14px/1 var(--font-display); letter-spacing: 0.18em; text-transform: uppercase; color: var(--aa-gold-500); margin: 0 0 22px; }
.s-quick-form label { display: block; font: 400 12px/1 var(--font-sans); color: rgba(250,247,241,0.65); text-transform: uppercase; letter-spacing: 0.12em; margin: 14px 0 6px; }
.s-quick-form label:first-of-type { margin-top: 0; }
.s-quick-form input, .s-quick-form select, .s-quick-form textarea { width: 100%; padding: 10px 12px; background: rgba(15,36,25,0.45); border: 1px solid rgba(250,247,241,0.18); border-radius: 4px; color: #FAF7F1; font: 400 14px/1.4 var(--font-sans); }
.s-quick-form input:focus, .s-quick-form select:focus, .s-quick-form textarea:focus { outline: 2px solid var(--aa-gold-600); outline-offset: 0; border-color: transparent; }
.s-quick-form textarea { resize: vertical; min-height: 80px; }
.s-quick-form button { margin-top: 18px; width: 100%; }
.s-quick-form small { display: block; margin-top: 12px; font: 400 12px/1.4 var(--font-sans); color: rgba(250,247,241,0.55); }
.s-quick-form .form-error { margin-top: 12px; font: 400 13px/1.45 var(--font-sans); color: #ffb3b3; background: rgba(180,0,0,0.18); border: 1px solid rgba(255,100,100,0.25); border-radius: 4px; padding: 10px 12px; }
.s-quick-form .form-error a { color: #ffb3b3; text-decoration: underline; }
.s-form-thanks { display: none; background: rgba(226,175,9,0.10); border: 1px solid rgba(226,175,9,0.35); border-radius: 6px; padding: 32px 28px; }
.s-form-thanks.show { display: block; }
.s-form-thanks h3 { font: 700 22px/1.2 var(--font-display); color: var(--aa-gold-500); margin: 0 0 8px; }
.s-form-thanks p { font: 400 15px/1.55 var(--font-sans); color: rgba(250,247,241,0.78); margin: 0; }

/* ---------- Sector switcher (footer above page footer) ---------- */
.s-switch { padding: 64px 0; background: var(--aa-paper-2); border-top: 1px solid var(--border-1); }
.s-switch-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
.s-switch-head h3 { font: 700 24px/1.1 var(--font-display); color: var(--aa-forest-800); margin: 0; letter-spacing: -0.005em; }
.s-switch-head .eyebrow { font: 700 12px/1 var(--font-display); letter-spacing: 0.22em; text-transform: uppercase; color: var(--aa-gold-700); }
.s-switch-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.s-switch-card { background: #fff; border: 1px solid var(--border-1); border-radius: 6px; padding: 20px 18px; display: flex; flex-direction: column; gap: 8px; transition: border-color 150ms ease-out; }
.s-switch-card:hover { border-color: var(--aa-forest-800); }
.s-switch-card.current { background: var(--aa-forest-800); border-color: var(--aa-forest-800); }
.s-switch-card.current h4, .s-switch-card.current p, .s-switch-card.current .arrow { color: #FAF7F1; }
.s-switch-card.current .eyebrow { color: var(--aa-gold-500); }
.s-switch-card .eyebrow { font: 700 10px/1 var(--font-display); letter-spacing: 0.18em; text-transform: uppercase; color: var(--aa-gold-700); }
.s-switch-card h4 { font: 700 18px/1.2 var(--font-display); color: var(--aa-forest-800); margin: 0; letter-spacing: -0.005em; }
.s-switch-card p { font: 400 13px/1.45 var(--font-sans); color: var(--aa-stone-600); margin: 0; flex: 1; }
.s-switch-card .arrow { font: 700 12px/1 var(--font-display); letter-spacing: 0.04em; color: var(--aa-forest-800); margin-top: 4px; }

/* ---------- Footer ---------- */
footer.site { background: var(--aa-ink); color: rgba(250,247,241,0.65); padding: 56px 0 24px; font: 400 14px/1.5 var(--font-sans); }
footer.site .foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(250,247,241,0.10); }
footer.site .foot-brand img { height: 28px; }
footer.site .foot-brand p { margin: 16px 0 0; max-width: 320px; color: rgba(250,247,241,0.6); }
footer.site h4 { font: 700 12px/1 var(--font-display); letter-spacing: 0.18em; text-transform: uppercase; color: rgba(250,247,241,0.5); margin: 0 0 16px; }
footer.site ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
footer.site a { color: rgba(250,247,241,0.78); }
footer.site a:hover { color: var(--aa-gold-500); }
footer.site .foot-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; font-size: 13px; color: rgba(250,247,241,0.5); }

/* ---------- Hamburger button (hidden on desktop) ---------- */
.nav-hamburger {
  display: none;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 40px; height: 40px; padding: 8px;
  background: none; border: none; cursor: pointer; border-radius: 2px;
  -webkit-tap-highlight-color: transparent; flex-shrink: 0;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--aa-forest-800); border-radius: 1px;
  transition: transform 200ms ease, opacity 200ms ease;
  pointer-events: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .s-intro-grid, .s-case-grid, .s-cta-grid { grid-template-columns: 1fr; gap: 40px; }
  .s-cons-grid { grid-template-columns: repeat(2, 1fr); }
  .s-scale-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .s-switch-grid { grid-template-columns: repeat(2, 1fr); }
  .s-other-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 24px; }
  .s-hero h1 { font-size: 34px; }
  .s-hero-inner { padding-left: 24px; padding-right: 24px; padding-top: 56px; padding-bottom: 40px; }
  .s-intro { padding: 56px 0 48px; }
  .s-scale { padding: 40px 0; }
  .s-cons { padding: 56px 0; }
  .s-case { padding: 56px 0; }
  .s-other { padding: 0 0 56px; }
  .s-cta { padding: 56px 0; }
  .s-switch { padding: 48px 0; }
  .s-intro h2, .s-cta h2 { font-size: 30px; }
  .s-cons-grid { grid-template-columns: 1fr; }
  footer.site .foot-grid { grid-template-columns: 1fr 1fr; }

  /* Mobile nav panel */
  .nav-inner { justify-content: flex-start; }
  .nav-hamburger { display: flex; margin-left: auto; }
  .nav-links {
    display: none;
    position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
    background: var(--aa-paper);
    flex-direction: column; gap: 0;
    padding: 0; overflow-y: auto;
    border-top: 1px solid var(--border-1);
    z-index: 98;
  }
  .nav.is-open .nav-links { display: flex; }
  .nav-link { padding: 18px 24px; font-size: 15px; border-bottom: 1px solid var(--border-1); display: block; }
  .nav-link.has-dd::after { content: none; }
  .nav-dd { display: none !important; }
  .nav.is-open .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav-hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .nav.is-open .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 480px) {
  .s-intro, .s-cons, .s-case, .s-cta { padding-top: 48px; padding-bottom: 48px; }
  .s-switch { padding: 40px 0; }
  .s-switch-grid { grid-template-columns: 1fr; }
  footer.site .foot-grid { grid-template-columns: 1fr; gap: 24px; }
  footer.site .foot-bottom { flex-direction: column; gap: 10px; text-align: center; }
}