/* Layout: 12-column, 1200px max, left-aligned, sections separated by tone. Acriva tokens from the brand design system. */
:root {
  --brand-navy: #053052;
  --brand-cyan: #03bbd3;
  --brand-lime: #baca22;
  --logo-ground: #ffffff;
  --clinker: #e0782f;

  --surface: #ffffff;
  --surface-raised: #ffffff;
  --surface-sunken: #f3f5f2;
  --surface-aggregate: #dfe5e4;
  --surface-brand: #053052;
  --tint-cyan: #d9f3f6;
  --tint-lime: #eef3c9;

  --text-heading: #053052;
  --text-body: #142433;
  --text-muted: #56656f;
  --text-cyan: #006e80;
  --text-lime: #596800;
  --on-brand: #ffffff;
  --on-brand-muted: #a9bed0;
  --on-accent: #053052;

  --action: #053052;
  --on-action: #ffffff;
  --action-hover: #0b4370;
  --line: #d2dadb;
  --line-strong: #7a8a94;
  --focus-ring: #006e80;

  --data-acriva: #008da2;
  --data-baseline: #c25e1c;
  --data-certified: #6f7f00;

  --shadow-float: 0 1px 2px rgba(5,48,82,.06), 0 12px 32px rgba(5,48,82,.10);

  --font-display: "Sora", "IBM Plex Sans", system-ui, sans-serif;
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-6: 24px;
  --space-8: 32px; --space-12: 48px; --space-16: 64px; --space-24: 96px;
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 16px;
  --gutter: var(--space-16);
  --nav-h: 72px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --surface: #06131f; --surface-raised: #0c1d2c; --surface-sunken: #030b13; --surface-aggregate: #112636;
    --surface-brand: #0b3a60; --tint-cyan: #0b3341; --tint-lime: #26300a;
    --text-heading: #f1f5f6; --text-body: #dce5e9; --text-muted: #98aab6; --text-cyan: #4cd3e6; --text-lime: #c9db3e;
    --action: #03bbd3; --on-action: #053052; --action-hover: #35cbdf;
    --line: #1d3245; --line-strong: #5f7586; --focus-ring: #4cd3e6;
    --data-acriva: #22c3da; --data-baseline: #f08b45; --data-certified: #baca22;
    --shadow-float: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px rgba(0,0,0,.45);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --surface: #06131f; --surface-raised: #0c1d2c; --surface-sunken: #030b13; --surface-aggregate: #112636;
  --surface-brand: #0b3a60; --tint-cyan: #0b3341; --tint-lime: #26300a;
  --text-heading: #f1f5f6; --text-body: #dce5e9; --text-muted: #98aab6; --text-cyan: #4cd3e6; --text-lime: #c9db3e;
  --action: #03bbd3; --on-action: #053052; --action-hover: #35cbdf;
  --line: #1d3245; --line-strong: #5f7586; --focus-ring: #4cd3e6;
  --data-acriva: #22c3da; --data-baseline: #f08b45; --data-certified: #baca22;
  --shadow-float: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px rgba(0,0,0,.45);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px; line-height: 26px;
  background: var(--surface);
  color: var(--text-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--text-cyan); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-radius: 2px; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; color: var(--text-heading); text-wrap: balance; }
h1, h2, .display { font-family: var(--font-display); font-weight: 600; }
h1 { font-size: clamp(36px, 5vw, 64px); line-height: 1.06; letter-spacing: -0.025em; }
h2 { font-size: clamp(28px, 3.4vw, 44px); line-height: 1.14; letter-spacing: -0.02em; }
h3 { font-family: var(--font-sans); font-size: 18px; line-height: 26px; font-weight: 600; }
.wrap { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: var(--gutter); }
section { padding-block: var(--space-24); }
.sunken { background: var(--surface-sunken); }
.eyebrow { margin: 0 0 var(--space-4); font-family: var(--font-display); font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-cyan); }
.on-brand .eyebrow { color: var(--brand-cyan); }
.lead { font-size: 18px; line-height: 30px; max-width: 62ch; }
.muted { color: var(--text-muted); }
.caption { font-family: var(--font-mono); font-size: 12px; line-height: 16px; letter-spacing: 0.02em; color: var(--text-muted); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.section-head { display: grid; gap: var(--space-4); max-width: 760px; margin-bottom: var(--space-12); }
.section-head p { max-width: 62ch; }
.skip { position: absolute; left: var(--space-4); top: -60px; background: var(--action); color: var(--on-action); padding: 10px 16px; border-radius: var(--radius-md); z-index: 1000; text-decoration: none; }
.skip:focus { top: var(--space-4); }

/* Icons: Lucide, 24 grid, 1.5 stroke, paired with a word */
.ic { width: 24px; height: 24px; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; fill: none; flex: none; }
.ic-sm { width: 18px; height: 18px; }

/* Photography: real plants and materials, cool balance, slightly reduced saturation */
.photo { display: block; width: 100%; height: 100%; object-fit: cover; filter: saturate(.82) contrast(1.04); }
.photo-frame { position: relative; overflow: hidden; border-radius: var(--radius-lg); background: var(--surface-aggregate); }
.band-photo { position: absolute; inset: 0; pointer-events: none; }
.band-photo .photo { filter: grayscale(1) contrast(1.1); opacity: .22; mix-blend-mode: luminosity; object-position: 50% 40%; }
.band-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--surface-brand) 0%, rgba(5,48,82,.75) 45%, rgba(5,48,82,.25) 100%); }
.partners-head { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-12); align-items: stretch; margin-bottom: var(--space-12); }
.partners-head .section-head { margin-bottom: 0; }
.partners-head .photo-frame { min-height: 260px; }
.about-photo { aspect-ratio: 21 / 8; max-height: 420px; margin: 0 0 var(--space-16); }
.about-photo .photo { object-position: 50% 30%; }
.credits { margin-top: var(--space-6); }
.credits p { font-size: 12px; line-height: 18px; max-width: none; }
.credits a { color: var(--text-muted); }
.credits a:hover { color: var(--text-cyan); }

/* Lime moments: highlights, markers, verified states. Text on lime is always navy. */
.hl { background: transparent; color: var(--brand-lime); padding: 0; }
:root[data-theme="dark"] .hl { background: transparent; color: var(--brand-lime); padding: 0; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .hl { background: transparent; color: var(--brand-lime); padding: 0; } }
.on-brand .hl { background: transparent; color: var(--brand-lime); padding: 0; }
.eyebrow::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 10px; vertical-align: 1px; background: var(--brand-lime); border-radius: 1px; }
.on-brand .eyebrow::before { background: var(--brand-lime); }
.lime-line { border-top-color: var(--brand-lime) !important; }
.card-icon.lime { background: var(--tint-lime); }
.btn-lime { background: var(--brand-lime); color: var(--on-accent); }
.btn-lime:hover { background: #c9d83a; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); height: 44px; padding: 0 var(--space-6); border: 1px solid transparent; border-radius: var(--radius-md); font-family: var(--font-sans); font-size: 14px; line-height: 20px; font-weight: 500; text-decoration: none; cursor: pointer; white-space: nowrap; transition: background-color .2s, border-color .2s, color .2s; }
.btn .ic { transition: transform .2s; }
.btn:hover .ic { transform: translateX(3px); }
.btn-primary { background: var(--action); color: var(--on-action); }
.btn-primary:hover { background: var(--action-hover); }
.nav-cta .btn-primary:hover, .hero-actions .btn-primary:hover { background: var(--brand-lime); color: var(--on-accent); }
.btn-accent { background: var(--brand-cyan); color: var(--on-accent); }
.btn-accent:hover { background: #2fcbe0; }
.btn-secondary { background: transparent; color: var(--text-heading); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--text-heading); }
.on-brand .btn-secondary { color: var(--on-brand); border-color: var(--on-brand-muted); }
.on-brand .btn-secondary:hover { border-color: var(--on-brand); }
.btn-sm { height: 36px; padding: 0 var(--space-4); }

/* Logo: supplied artwork, always on white */
.logo-plate { display: inline-block; line-height: 0; background: var(--logo-ground); padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm); }
.logo-plate img { height: 40px; width: auto; }

/* Nav */
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 100; background: var(--surface); border-bottom: 1px solid var(--line); }
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }
.nav-brand { display: inline-flex; align-items: center; text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: var(--space-6); list-style: none; margin: 0; padding: 0; }
.nav-links a { font-size: 14px; line-height: 20px; font-weight: 500; color: var(--text-body); text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent; transition: color .2s, border-color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text-heading); border-bottom-color: var(--brand-cyan); }
.nav-cta { display: flex; align-items: center; gap: var(--space-3); }
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; height: 36px; width: 36px; border: 1px solid var(--line-strong); border-radius: var(--radius-md); background: transparent; color: var(--text-heading); cursor: pointer; transition: border-color .2s; }
.theme-toggle:hover { border-color: var(--text-heading); }
.theme-toggle .ic { width: 18px; height: 18px; }
.theme-toggle .ic-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .ic-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .ic-moon { display: block; }
.nav-toggle { display: none; height: 44px; width: 44px; align-items: center; justify-content: center; border: 1px solid var(--line-strong); border-radius: var(--radius-md); background: transparent; color: var(--text-heading); cursor: pointer; }
.nav-mobile { display: none; border-top: 1px solid var(--line); background: var(--surface); }
.nav-mobile ul { list-style: none; margin: 0; padding: var(--space-2) 0; }
.nav-mobile a { display: block; padding: 12px var(--gutter); color: var(--text-body); text-decoration: none; font-weight: 500; }
.nav-mobile a:hover { background: var(--surface-sunken); color: var(--text-heading); }
.nav-mobile .nav-mobile-cta { padding: var(--space-3) var(--gutter) var(--space-4); }
.nav.open .nav-mobile { display: block; }

/* Hero */
.hero { position: relative; overflow: hidden; padding-block: var(--space-24) var(--space-16); background: var(--brand-navy); color: var(--on-brand); }
.hero-media { position: absolute; inset: 0; z-index: 0; background: var(--brand-navy); }
.hero-media img, .hero-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 62% 50%; filter: saturate(.88); }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,48,82,.97) 0%, rgba(5,48,82,.9) 34%, rgba(5,48,82,.55) 58%, rgba(5,48,82,.22) 100%), linear-gradient(180deg, rgba(5,48,82,.35) 0%, rgba(5,48,82,0) 30%, rgba(5,48,82,0) 70%, rgba(5,48,82,.5) 100%); }
@media (prefers-reduced-motion: reduce) { .hero-media video { display: none; } }
.hero .wrap { position: relative; z-index: 1; }
.hero h1 { color: var(--on-brand); }
.hero .lead { color: #dbe6ee; }
.hero .eyebrow { color: var(--brand-cyan); }
.hero .hl { background: transparent; color: var(--brand-lime); padding: 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-12); align-items: end; }
.hero-copy { display: grid; gap: var(--space-6); max-width: 640px; }
.hero h1 { max-width: 14ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero-proof { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-6); margin-top: var(--space-2); padding-top: var(--space-6); border-top: 1px solid rgba(169,190,208,.35); }
.hero-proof span { display: inline-flex; align-items: center; gap: var(--space-2); font-size: 14px; line-height: 20px; color: var(--on-brand-muted); }
.hero-proof .ic { width: 18px; height: 18px; color: var(--brand-cyan); }
.hero .btn-secondary { color: var(--on-brand); border-color: var(--on-brand-muted); }
.hero .btn-secondary:hover { border-color: var(--on-brand); }
.hero .btn-accent:hover { background: var(--brand-lime); }
.hero-visual { position: relative; min-height: 420px; display: grid; align-content: end; justify-items: end; }
.hero .flow { inset: auto 0 0 auto; width: 70%; height: 50%; overflow: hidden; z-index: 1; }
.flow { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.flow path { fill: none; stroke-linecap: round; }
.flow .c { stroke: var(--brand-cyan); }
.flow .l { stroke: var(--brand-lime); }
@media (prefers-reduced-motion: no-preference) {
  .flow-draw path { stroke-dasharray: 1200; stroke-dashoffset: 0; animation: draw .6s ease-out both; }
  .flow-draw path:nth-child(2) { animation-delay: .05s; }
  .flow-draw path:nth-child(3) { animation-delay: .1s; }
  .flow-draw path:nth-child(4) { animation-delay: .15s; }
  .flow-draw path:nth-child(5) { animation-delay: .2s; }
  @keyframes draw { from { stroke-dashoffset: 1200; } }
}
.hero-card { position: relative; z-index: 2; margin-left: 0; max-width: 380px; box-shadow: var(--shadow-float); background: #ffffff; color: #142433; display: grid; gap: var(--space-3); padding: var(--space-6); background: var(--surface-raised); border: 1px solid var(--line); border-radius: var(--radius-md); }
.hero-card .caption { color: var(--text-muted); }
.hero-card dl { margin: 0; display: grid; gap: var(--space-3); }
.hero-card dt { font-size: 12px; line-height: 16px; color: var(--text-muted); }
.hero-card dt { color: #56656f; }
.hero-card dd { margin: 2px 0 0; font-family: var(--font-mono); font-size: 14px; line-height: 20px; font-weight: 500; color: #053052; font-variant-numeric: tabular-nums; }
.hero-card .key dd { color: #006e80; font-size: 16px; }
.hero-card .caption { color: #56656f; }

/* Stats */
.stats { padding-block: var(--space-16); }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-6); }
.stat { display: grid; align-content: start; gap: var(--space-2); padding-top: var(--space-4); border-top: 2px solid var(--brand-lime); min-width: 0; }
.stat-value { font-family: var(--font-display); font-size: clamp(32px, 3.6vw, 48px); line-height: 1.06; font-weight: 500; letter-spacing: -0.03em; color: var(--text-heading); font-variant-numeric: tabular-nums; }
.stat-unit { margin-left: 6px; font-family: var(--font-mono); font-size: 14px; line-height: 20px; font-weight: 500; letter-spacing: 0; color: var(--text-cyan); }
.stat-label { font-size: 14px; line-height: 22px; max-width: 30ch; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-6); }
.card { display: grid; align-content: start; gap: var(--space-3); padding: var(--space-6); background: var(--surface-raised); border: 1px solid var(--line); border-radius: var(--radius-md); min-width: 0; }
.card .ic { color: var(--text-heading); }
.card p { font-size: 14px; line-height: 22px; }
.card-icon { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: var(--radius-sm); background: var(--tint-cyan); color: var(--text-heading); }

/* Pillars */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
.pillar { display: grid; align-content: start; gap: var(--space-3); padding-top: var(--space-4); border-top: 2px solid var(--brand-cyan); min-width: 0; }
.pillar:last-child { border-top-color: var(--brand-lime); }
.pillar .ic { color: var(--text-heading); }
.pillar p { font-size: 14px; line-height: 22px; }

/* Compare */
.compare { margin-top: var(--space-12); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-6); }
.compare-col { padding: var(--space-6); border-radius: var(--radius-md); border: 1px solid var(--line); background: var(--surface-raised); min-width: 0; }
.compare-col.ours { border-color: var(--brand-cyan); }
.compare-col h3 { margin-bottom: var(--space-4); display: flex; align-items: center; gap: var(--space-2); }
.compare-col .tag { margin-left: auto; }
.compare ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.compare li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: 14px; line-height: 22px; }
.compare li .ic { width: 18px; height: 18px; margin-top: 2px; }
.compare .baseline .ic { color: var(--data-baseline); }
.compare .ours .ic { color: var(--text-cyan); }

/* Tags */
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 4px var(--space-2); border-radius: var(--radius-sm); background: var(--surface-sunken); color: var(--text-body); font-family: var(--font-mono); font-size: 12px; line-height: 16px; font-weight: 500; letter-spacing: 0.02em; white-space: nowrap; }
.tag::before { content: ""; width: 6px; height: 6px; border-radius: 1px; background: var(--text-muted); }
.tag-acriva { background: var(--tint-cyan); color: var(--text-heading); }
.tag-acriva::before { background: var(--data-acriva); }
.tag-certified { background: var(--tint-lime); color: var(--text-heading); }
.tag-certified::before { background: var(--data-certified); }
.tag-baseline::before { background: var(--data-baseline); }

/* Licensing */
.license-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); margin-bottom: var(--space-16); }
.license-item { display: grid; gap: var(--space-2); padding: var(--space-6); background: var(--surface-raised); border: 1px solid var(--line); border-radius: var(--radius-md); min-width: 0; }
.license-item .eyebrow { margin: 0; }
.license-item p { font-size: 14px; line-height: 22px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-6); }
.step { display: grid; align-content: start; gap: var(--space-2); padding-top: var(--space-4); border-top: 2px solid var(--line); min-width: 0; }
.step:first-child { border-top-color: var(--brand-cyan); }
.step:last-child { border-top-color: var(--brand-lime); }
.step-num { font-family: var(--font-mono); font-size: 12px; line-height: 16px; font-weight: 500; color: var(--text-cyan); }
.step p { font-size: 14px; line-height: 22px; }
.step .caption { margin-top: var(--space-1); }

/* Certificates */
.cert-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: var(--space-12); align-items: start; }
.cert-copy { display: grid; gap: var(--space-6); }
.cert-copy .section-head { margin-bottom: 0; }
.cert-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.cert-list li { display: flex; gap: var(--space-3); align-items: flex-start; }
.cert-list .ic { width: 20px; height: 20px; margin-top: 3px; color: var(--text-cyan); }
.cert-list strong { color: var(--text-heading); font-weight: 600; }
.cert { display: grid; gap: var(--space-4); padding: var(--space-6); background: var(--surface-raised); border: 1px solid var(--line); border-radius: var(--radius-md); max-width: 560px; justify-self: end; width: 100%; }
.cert-head { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-3); flex-wrap: wrap; }
.cert-head .logo-plate { padding: var(--space-1) var(--space-2); }
.cert-head .logo-plate img { height: 34px; }
.cert-title { font-family: var(--font-display); font-size: 16px; line-height: 22px; font-weight: 600; color: var(--text-heading); }
.cert-id { margin-top: 2px; font-family: var(--font-mono); font-size: 12px; line-height: 16px; color: var(--text-muted); }
.cert-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4) var(--space-6); margin: 0; padding: var(--space-4) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cert-fields div { min-width: 0; }
.cert-fields dt { font-size: 12px; line-height: 16px; color: var(--text-muted); }
.cert-fields dd { margin: 2px 0 0; font-family: var(--font-mono); font-size: 14px; line-height: 20px; font-weight: 500; color: var(--text-heading); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.cert-fields .key dd { color: var(--text-cyan); font-size: 16px; }
.cert-foot { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.cert-bars { display: grid; gap: var(--space-2); }
.bar { display: grid; grid-template-columns: minmax(96px, 30%) 1fr; gap: var(--space-3); align-items: center; font-size: 13px; line-height: 18px; }
.bar-track { position: relative; height: 22px; background: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 25%); border-left: 1px solid var(--text-muted); }
.bar-fill { height: 100%; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.bar-val { position: absolute; top: 50%; transform: translateY(-50%); padding-left: var(--space-2); font-family: var(--font-mono); font-size: 12px; font-weight: 500; color: var(--text-heading); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bar.baseline .bar-fill { background: var(--data-baseline); }
.bar.acriva .bar-fill { background: var(--data-acriva); }
.axis-ticks { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 11px; line-height: 16px; color: var(--text-muted); font-variant-numeric: tabular-nums; }

/* Instrument comparison (EAC / carbon credit / CBAM) */
.inst-head { margin-top: var(--space-24); display: grid; gap: var(--space-4); max-width: 760px; margin-bottom: var(--space-8); }
.inst-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
.inst { display: grid; grid-template-rows: subgrid; grid-row: span 5; gap: 0; background: var(--surface-raised); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; min-width: 0; }
.inst.is-acriva { border-color: var(--brand-cyan); }
.inst-title { padding: var(--space-4) var(--space-6); border-bottom: 1px solid var(--line); display: grid; gap: var(--space-2); align-content: start; }
.inst-title h3 { font-family: var(--font-display); font-size: 16px; line-height: 22px; }
.inst-title .tag { justify-self: start; }
.inst-row { padding: var(--space-4) var(--space-6); border-bottom: 1px solid var(--line); display: grid; gap: 2px; align-content: start; }
.inst-row:last-child { border-bottom: 0; }
.inst-row dt { font-family: var(--font-display); font-size: 11px; line-height: 16px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.inst-row dd { margin: 0; font-size: 14px; line-height: 22px; }
.inst-row dd q { font-style: italic; color: var(--text-heading); }
.inst-row dd q::before, .inst-row dd q::after { content: ""; }
.inst-fit { margin-top: var(--space-8); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
.inst-fit div { display: grid; gap: var(--space-2); padding-top: var(--space-4); border-top: 2px solid var(--line); min-width: 0; }
.inst-fit div:first-child { border-top-color: var(--brand-cyan); }
.inst-fit h3 { font-size: 15px; line-height: 22px; }
.inst-fit p { font-size: 14px; line-height: 22px; }

/* ESG */
.esg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
.esg-card { display: grid; align-content: start; gap: var(--space-3); padding: var(--space-6); border-radius: var(--radius-md); border: 1px solid var(--line); border-top: 3px solid var(--line); background: var(--surface-raised); min-width: 0; }
.esg-card.env { border-top-color: var(--brand-lime); }
.esg-card.env .esg-letter { color: var(--text-lime); }
.esg-letter { font-family: var(--font-display); font-size: 40px; line-height: 44px; font-weight: 600; letter-spacing: -0.03em; color: var(--text-heading); }
.esg-card ul { margin: 0; padding-left: 18px; font-size: 14px; line-height: 22px; display: grid; gap: var(--space-1); }

/* Partners */
.partners { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-4); }
.partner { display: grid; gap: 2px; padding: var(--space-4) var(--space-6); background: var(--surface-raised); border: 1px solid var(--line); border-radius: var(--radius-md); min-width: 0; transition: background-color .2s, border-color .2s; }
.partner:hover { background: var(--tint-lime); border-color: var(--brand-lime); }
.partner strong { color: var(--text-heading); font-weight: 600; font-size: 15px; }
.partner span { font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); }

/* Brand band */
.band { position: relative; overflow: hidden; background: var(--surface-brand); color: var(--on-brand); }
.band .wrap { position: relative; z-index: 1; }
.band h2 { color: var(--on-brand); }
.band p { color: var(--on-brand-muted); }
.band-grid { display: grid; grid-template-columns: minmax(0, 1fr); }
.band-copy { max-width: 680px; }
.band-copy { display: grid; gap: var(--space-6); }
.band-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.band-flow { position: absolute; right: 0; bottom: 0; width: 46%; height: 100%; pointer-events: none; overflow: hidden; }
.band-flow .flow { overflow: hidden; }
.band-flow svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.band-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); padding-top: var(--space-4); border-top: 1px solid rgba(169,190,208,.35); }
.band-list li { display: flex; gap: var(--space-3); align-items: flex-start; color: var(--on-brand); font-size: 15px; line-height: 24px; }
.band-list .ic { width: 20px; height: 20px; margin-top: 2px; color: var(--brand-cyan); }

/* About */
.about-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: var(--space-12); align-items: start; }
.about-copy { display: grid; gap: var(--space-4); }
.about-copy .section-head { margin-bottom: var(--space-2); }
.audience { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
.audience div { display: grid; gap: var(--space-1); padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-raised); min-width: 0; }
.audience strong { color: var(--text-heading); font-weight: 600; font-size: 15px; }
.audience p { font-size: 14px; line-height: 22px; }

/* FAQ */
.faq { max-width: 800px; display: grid; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); padding: var(--space-4) 0; font-weight: 600; color: var(--text-heading); font-size: 17px; line-height: 26px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { color: var(--text-cyan); transition: transform .2s; }
.faq details[open] summary .ic { transform: rotate(45deg); }
.faq .answer { padding: 0 0 var(--space-6); max-width: 65ch; font-size: 15px; line-height: 24px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-12); align-items: start; }
.contact-info { display: grid; gap: var(--space-6); }
.contact-info .section-head { margin-bottom: 0; }
.contact-cards { display: grid; gap: var(--space-4); }
.contact-card { display: grid; grid-template-columns: 40px 1fr; gap: var(--space-3); padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-raised); }
.contact-card .card-icon { width: 40px; height: 40px; }
.contact-card h4 { font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-cyan); font-family: var(--font-display); }
.contact-card p { margin-top: 4px; font-size: 15px; line-height: 22px; }
.contact-card .mono { font-size: 14px; }
.copy-btn { display: inline-flex; align-items: center; gap: 6px; margin-top: 6px; padding: 0; border: 0; background: none; color: var(--text-cyan); font: inherit; font-size: 13px; font-weight: 500; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
form { display: grid; gap: var(--space-4); padding: var(--space-8); background: var(--surface-raised); border: 1px solid var(--line); border-radius: var(--radius-md); }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
.field { display: grid; gap: 6px; min-width: 0; }
label { font-size: 14px; line-height: 20px; font-weight: 500; color: var(--text-heading); }
label .opt { font-weight: 400; color: var(--text-muted); }
input, select, textarea { width: 100%; font: inherit; font-size: 15px; line-height: 22px; color: var(--text-body); background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: 10px 12px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-color: var(--text-heading); }
textarea { min-height: 120px; resize: vertical; }
.check { display: flex; gap: var(--space-3); align-items: flex-start; font-size: 14px; line-height: 22px; font-weight: 400; color: var(--text-body); }
.check input { width: 18px; height: 18px; margin: 2px 0 0; padding: 0; flex: none; accent-color: var(--text-cyan); }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3); }
.form-note { font-size: 13px; line-height: 20px; color: var(--text-muted); max-width: 40ch; }
.form-status { display: none; padding: var(--space-4); border-radius: var(--radius-sm); background: var(--tint-lime); color: var(--text-heading); font-size: 14px; line-height: 22px; }
.form-status.show { display: block; }
.form-status .mono { user-select: all; }

/* Footer */
footer { border-top: 1px solid var(--line); background: var(--surface); padding-block: var(--space-16) var(--space-8); }
.foot-grid { display: grid; grid-template-columns: minmax(0, 5fr) repeat(3, minmax(0, 2fr)); gap: var(--space-8); }
.foot-brand { display: grid; gap: var(--space-4); align-content: start; }
.foot-brand .logo-plate { justify-self: start; padding: var(--space-1) var(--space-2); }
.foot-brand .logo-plate img { height: 36px; }
.foot-brand p { font-size: 14px; line-height: 22px; max-width: 36ch; }
.foot-brand .tagline { font-family: var(--font-display); font-weight: 600; color: var(--text-heading); }
.foot-brand .tagline em { font-style: normal; color: var(--text-lime); }
.foot-col h4 { font-family: var(--font-display); font-size: 12px; line-height: 16px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-cyan); margin-bottom: var(--space-3); }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.foot-col a { color: var(--text-body); text-decoration: none; font-size: 14px; line-height: 22px; }
.foot-col a:hover { color: var(--text-heading); text-decoration: underline; }
.foot-bottom { margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); }
.foot-bottom .caption { color: var(--text-muted); }
.legal { padding-block: var(--space-12); }
.legal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-8); }
.legal h3 { margin-bottom: var(--space-2); }
.legal p { font-size: 14px; line-height: 22px; max-width: 60ch; }
.legal .notice { display: inline-block; margin-bottom: var(--space-2); }

/* Responsive */
@media (max-width: 1024px) {
  :root { --gutter: var(--space-8); }
  .nav-links { display: none; }
  .nav-cta .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero-grid, .cert-grid, .about-grid, .contact-grid, .band-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 0; justify-items: start; }
  .hero .flow { width: 70%; height: 170px; }
  .hero-media img, .hero-media video { object-position: 70% 50%; }
  .hero-media::after { background: linear-gradient(180deg, rgba(5,48,82,.96) 0%, rgba(5,48,82,.9) 55%, rgba(5,48,82,.6) 100%); }
  .partners-head { grid-template-columns: 1fr; }
  .partners-head .photo-frame { min-height: 220px; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pillars, .license-grid, .esg, .inst-grid, .inst-fit { grid-template-columns: 1fr; }
  .inst { grid-template-rows: auto; grid-row: auto; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cert { justify-self: start; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .band { padding-bottom: 240px; }
  .band-flow { width: 100%; height: 190px; }
}
@media (max-width: 640px) {
  :root { --gutter: var(--space-4); --nav-h: 64px; }
  section { padding-block: var(--space-16); }
  .hero { padding-block: var(--space-12) var(--space-12); }
  .hero-visual { min-height: 0; }
  .about-photo { aspect-ratio: 16 / 9; }
  .logo-plate img { height: 32px; }
  .stat-grid, .compare, .steps, .audience, .form-row, .foot-grid, .legal-grid, .cert-fields { grid-template-columns: 1fr; }
  .stats { padding-block: var(--space-12); }
  .hero-actions .btn, .band-actions .btn { width: 100%; }
  form { padding: var(--space-6); }
}

/* Multi-page additions */
.page-title { font-size: clamp(32px, 4.2vw, 52px); line-height: 1.1; letter-spacing: -0.022em; }
.card-link { color: var(--text-heading); text-decoration: none; }
.card-link::after { content: " \2192"; color: var(--text-cyan); }
.card-link:hover { text-decoration: underline; text-decoration-thickness: 2px; }
.prose > * { max-width: 760px; }
.prose > p, .prose > h3 { max-width: 68ch; }
.prose h3 { margin: var(--space-8) 0 var(--space-2); }
.prose p + p { margin-top: var(--space-4); }
.prose .notice { display: inline-block; margin: var(--space-2) 0; padding: var(--space-1) var(--space-3); border-left: 3px solid var(--clinker); background: var(--surface-sunken); font-size: 14px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Subsection heading inside a section */
.sub-head { display: grid; gap: var(--space-3); max-width: 760px; margin-bottom: var(--space-8); }
.sub-head .eyebrow { margin-bottom: 0; }
.sub-head h2 { font-size: clamp(24px, 2.6vw, 34px); line-height: 1.2; letter-spacing: -0.015em; }
.sub-head p:not(.eyebrow) { max-width: 62ch; }
.section-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-2); }

/* Partners page */
.partners .partner { gap: var(--space-1); padding: var(--space-4) var(--space-6) var(--space-6); }
.partner p { margin-top: var(--space-2); font-size: 14px; line-height: 22px; color: var(--text-body); }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); }
.check-list li { display: flex; gap: var(--space-3); align-items: flex-start; }
.check-list .ic { width: 20px; height: 20px; margin-top: 3px; color: var(--text-cyan); flex: none; }
.check-list strong { color: var(--text-heading); font-weight: 600; }
.split { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-12); align-items: start; }
.cta-card { display: grid; gap: var(--space-4); padding: var(--space-8); background: var(--surface-brand); color: var(--on-brand); border-radius: var(--radius-lg); }
.cta-card h3 { color: var(--on-brand); font-family: var(--font-display); font-size: 24px; line-height: 32px; }
.cta-card p { color: var(--on-brand-muted); }
.cta-card .btn { justify-self: start; }
.steps + .steps-note { margin-top: var(--space-8); }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }