@custom-variant dark (&:is(.dark *));

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --font-sans: var(--font-sans-custom);
  --font-mono: var(--font-mono-custom);
  --color-border: var(--border);
  --color-ring: var(--ring);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --radius-sm: 0.1rem;
  --radius-md: 0.2rem;
  --radius-lg: 0.35rem;
}

:root {
  --background: #f2f0e8;
  --foreground: #10100f;
  --border: #10100f;
  --ring: #00a8a2;
  --primary: #10100f;
  --primary-foreground: #f2ff3b;
  --acid: #f2ff3b;
  --aqua: #63d9d2;
  --red: #ff5a48;
  --ink: #10100f;
  --paper: #f2f0e8;
  --font-sans-custom: Arial, Helvetica, sans-serif;
  --font-mono-custom: "Courier New", Courier, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-sans-custom); }
a { color: inherit; }

.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; min-height: 64px; padding: 0 4vw; border-bottom: 2px solid var(--ink); background: rgba(242,240,232,.94); backdrop-filter: blur(10px); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 950; text-decoration: none; letter-spacing: -.04em; }
nav { display: flex; gap: 28px; }
nav a { font: 700 12px/1 var(--font-mono-custom); text-transform: uppercase; text-decoration: none; }
nav a:hover { text-decoration: underline; text-decoration-thickness: 2px; }

.hero { min-height: calc(100vh - 64px); display: grid; grid-template-columns: 1.06fr .94fr; border-bottom: 2px solid var(--ink); }
.hero-copy { padding: clamp(48px,7vw,100px) 4vw 60px; display: flex; flex-direction: column; justify-content: center; }
.eyebrow { margin: 0 0 18px; font: 800 12px/1.2 var(--font-mono-custom); letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(3.4rem,7.4vw,8.5rem); line-height: .82; letter-spacing: -.085em; font-weight: 950; }
h1 span { display: inline-block; background: var(--acid); padding: 2px 10px 8px 3px; }
.standfirst { max-width: 680px; margin: 34px 0 0; font-size: clamp(1.05rem,1.5vw,1.35rem); line-height: 1.45; font-weight: 600; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 32px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 20px; border: 2px solid var(--ink); font: 900 13px/1 var(--font-mono-custom); text-transform: uppercase; text-decoration: none; box-shadow: 4px 4px 0 var(--ink); transition: transform .15s, box-shadow .15s; }
.button:hover { transform: translate(2px,2px); box-shadow: 2px 2px 0 var(--ink); }
.button-dark { background: var(--ink); color: var(--acid); }
.button-light { background: var(--paper); color: var(--ink); }
.source-link { display: inline-flex; align-items: center; gap: 4px; width: fit-content; font: 800 12px/1.4 var(--font-mono-custom); text-transform: uppercase; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.hero-image { position: relative; margin: 0; min-height: 600px; border-left: 2px solid var(--ink); overflow: hidden; background: var(--aqua); }
.hero-image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85) contrast(1.08); }
.hero-image figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 14px 18px; border-top: 2px solid var(--ink); background: var(--acid); font: 800 11px/1.4 var(--font-mono-custom); text-transform: uppercase; }

.ticker { display: flex; gap: 26px; justify-content: space-around; overflow: hidden; padding: 15px 3vw; border-bottom: 2px solid var(--ink); background: var(--ink); color: var(--acid); font: 900 clamp(12px,1.25vw,17px)/1 var(--font-mono-custom); white-space: nowrap; }
.receipt-section, .chain-section { padding: clamp(70px,9vw,130px) 4vw; }
.section-heading { max-width: 880px; margin-bottom: 52px; }
.section-heading h2, .case-study h2 { margin: 0; font-size: clamp(2.5rem,5.2vw,6rem); line-height: .92; letter-spacing: -.065em; font-weight: 950; }
.section-heading > p:last-child { max-width: 720px; font-size: 18px; line-height: 1.5; }
.comparison-grid { display: grid; grid-template-columns: 1fr 100px 1fr; align-items: stretch; }
.metric-card { min-height: 420px; display: flex; flex-direction: column; padding: clamp(28px,4vw,60px); border: 2px solid var(--ink); }
.customer-card { background: #fff; }
.industry-card { background: var(--aqua); }
.metric-kicker { font: 900 13px/1 var(--font-mono-custom); }
.metric-card strong { display: block; margin-top: auto; font-size: clamp(6rem,13vw,13rem); line-height: .75; letter-spacing: -.1em; }
.metric-card > span { margin-top: 18px; font: 900 15px/1.1 var(--font-mono-custom); text-transform: uppercase; }
.metric-card > p:not(.metric-kicker) { max-width: 430px; font-size: 17px; line-height: 1.4; }
.versus { display: flex; align-items: center; justify-content: center; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); background: var(--red); font: 950 32px/1 var(--font-mono-custom); writing-mode: vertical-rl; }
.calculation-note { margin: 20px 0 0 auto; max-width: 760px; font: 700 13px/1.55 var(--font-mono-custom); }

.money-section, .action-section { padding: clamp(70px,9vw,130px) 4vw; background: var(--ink); color: var(--paper); }
.inverted .eyebrow { color: var(--aqua); }
.money-grid { display: grid; grid-template-columns: repeat(3,1fr); border: 2px solid var(--paper); }
.money-grid article { min-height: 360px; padding: 32px; border-right: 2px solid var(--paper); display: flex; flex-direction: column; }
.money-grid article:last-child { border-right: 0; }
.money-grid .hot { background: var(--acid); color: var(--ink); }
.number { margin-top: auto; font-size: clamp(3.5rem,6vw,7rem); font-weight: 950; line-height: .8; letter-spacing: -.08em; }
.money-grid h3 { margin: 22px 0 6px; font-size: 20px; }
.money-grid p { margin: 0; line-height: 1.5; }
.source-row { display: flex; gap: 30px; flex-wrap: wrap; margin-top: 28px; }

.case-study { padding: clamp(70px,9vw,130px) 4vw; background: var(--acid); border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.case-label { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 48px; padding: 10px 14px; background: var(--red); border: 2px solid var(--ink); font: 900 12px/1 var(--font-mono-custom); }
.case-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 7vw; }
.case-copy { max-width: 800px; font-size: clamp(1.05rem,1.5vw,1.3rem); line-height: 1.55; font-weight: 600; }
.case-numbers { border: 2px solid var(--ink); background: var(--paper); }
.case-numbers div { padding: 22px 24px; border-bottom: 2px solid var(--ink); }
.case-numbers div:last-child { border-bottom: 0; }
.case-numbers strong { display: block; font-size: clamp(2.4rem,4.5vw,5rem); line-height: .9; letter-spacing: -.06em; }
.case-numbers span { font: 800 12px/1.3 var(--font-mono-custom); text-transform: uppercase; }

.chain-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 2px solid var(--ink); border-left: 2px solid var(--ink); }
.chain-grid article { min-height: 350px; display: flex; flex-direction: column; padding: 26px; border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.chain-grid svg { width: 34px; height: 34px; }
.chain-grid .step { margin: auto 0 10px; font: 800 11px/1 var(--font-mono-custom); }
.chain-grid h3 { margin: 0; font-size: 28px; letter-spacing: -.04em; }
.chain-grid article > p:not(.step) { line-height: 1.45; }

.pollution-band { display: grid; grid-template-columns: repeat(3,1fr) auto; align-items: center; gap: 30px; padding: 44px 4vw; background: var(--red); border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.pollution-band div { border-right: 2px solid var(--ink); }
.pollution-band strong { display: block; font-size: clamp(2.8rem,5vw,5.7rem); line-height: .85; letter-spacing: -.06em; }
.pollution-band span { font: 800 11px/1.4 var(--font-mono-custom); text-transform: uppercase; }
.action-grid { display: grid; grid-template-columns: repeat(3,1fr); border: 2px solid var(--paper); }
.action-grid article { min-height: 380px; padding: 30px; border-right: 2px solid var(--paper); display: flex; flex-direction: column; }
.action-grid article:last-child { border-right: 0; }
.action-grid article > span { color: var(--aqua); font: 900 13px/1 var(--font-mono-custom); }
.action-grid h3 { margin: auto 0 8px; font-size: 30px; }
.action-grid p { min-height: 100px; line-height: 1.5; }
.action-grid .button { margin-top: 16px; }
footer { display: flex; justify-content: space-between; gap: 40px; padding: 34px 4vw; border-top: 2px solid var(--paper); background: var(--ink); color: var(--paper); font: 700 11px/1.5 var(--font-mono-custom); text-transform: uppercase; }
footer p { max-width: 720px; }

@media (max-width: 900px) {
  nav { display: none; }
  .hero { grid-template-columns: 1fr; }
  .hero-image { border-left: 0; border-top: 2px solid var(--ink); min-height: 520px; }
  .comparison-grid { grid-template-columns: 1fr; }
  .versus { min-height: 70px; border: 0 2px solid var(--ink); writing-mode: initial; }
  .money-grid, .action-grid { grid-template-columns: 1fr; }
  .money-grid article, .action-grid article { min-height: 300px; border-right: 0; border-bottom: 2px solid var(--paper); }
  .money-grid article:last-child, .action-grid article:last-child { border-bottom: 0; }
  .case-grid { grid-template-columns: 1fr; }
  .chain-grid { grid-template-columns: repeat(2,1fr); }
  .pollution-band { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .topbar { min-height: 56px; }
  .brand { font-size: 13px; }
  .hero-copy { padding: 54px 20px 46px; }
  h1 { font-size: clamp(3.25rem,18vw,5.6rem); }
  .hero-image { min-height: 440px; }
  .ticker { justify-content: flex-start; }
  .receipt-section, .chain-section, .money-section, .action-section, .case-study { padding-left: 20px; padding-right: 20px; }
  .metric-card { min-height: 340px; }
  .chain-grid { grid-template-columns: 1fr; }
  .pollution-band { grid-template-columns: 1fr; padding-left: 20px; }
  .pollution-band div { border-right: 0; border-bottom: 2px solid var(--ink); padding-bottom: 18px; }
  footer { flex-direction: column; padding-left: 20px; padding-right: 20px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }