:root {
  --bg: #f0ece3;
  --paper: #fcfaf3;
  --ink: #1e1f1a;
  --ink-soft: #5e5d54;
  --rule: #c8c2a8;
  --primary: #4a6e3c;
  --primary-dark: #2e4824;
  --rust: #b85e2a;
  --slate: #5a6470;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --serif: 'Iowan Old Style', 'Hoefler Text', Georgia, serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--sans); background: var(--bg); color: var(--ink); line-height: 1.7; -webkit-font-smoothing: antialiased; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 28px; }
a { color: var(--primary-dark); text-decoration: none; }
a:hover { color: var(--rust); }

header.eco { padding: 22px 0; background: var(--bg); border-bottom: 2px solid var(--ink); }
header.eco .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.recycle-mark { width: 38px; height: 38px; border: 3px solid var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary); font-weight: 800; font-size: 18px; }
.brand-block { display: flex; align-items: center; gap: 12px; }
.brand { font-family: var(--serif); font-size: 22px; color: var(--ink); text-decoration: none; font-weight: 700; line-height: 1.1; }
.brand small { display: block; font-family: var(--sans); font-size: 10px; font-weight: 700; color: var(--ink-soft); letter-spacing: 0.18em; text-transform: uppercase; margin-top: 4px; }
header.eco nav a { color: var(--ink); margin-left: 22px; font-size: 13px; font-weight: 600; text-decoration: none; }
header.eco nav a:hover { color: var(--primary-dark); }

.eco-hero { padding: 64px 0 48px; background: var(--paper); border-bottom: 1px solid var(--rule); }
.eco-hero .grid { display: grid; grid-template-columns: 6fr 4fr; gap: 56px; align-items: center; }
.eco-hero .eyebrow { font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--rust); font-weight: 700; margin-bottom: 16px; }
.eco-hero h1 { font-family: var(--serif); font-size: 48px; line-height: 1.1; color: var(--ink); margin-bottom: 18px; font-weight: 700; max-width: 16ch; }
.eco-hero h1 span { color: var(--primary-dark); }
.eco-hero p { font-size: 17px; color: var(--ink-soft); max-width: 50ch; line-height: 1.75; margin-bottom: 24px; }
.btn-eco { display: inline-block; padding: 14px 28px; background: var(--primary); color: var(--paper); text-decoration: none; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.btn-eco:hover { background: var(--primary-dark); color: var(--paper); }
.before-after { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; aspect-ratio: 1; }
.ba-block { padding: 18px; display: flex; flex-direction: column; justify-content: space-between; }
.ba-block.before { background: var(--slate); color: var(--paper); }
.ba-block.after { background: var(--primary); color: var(--paper); }
.ba-block .label { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 800; opacity: 0.85; }
.ba-block .obj { font-family: var(--serif); font-size: 24px; font-weight: 700; line-height: 1.1; }
.ba-block.before .obj { opacity: 0.7; }

.projects { padding: 80px 0; }
.section-eyebrow { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--rust); font-weight: 700; margin-bottom: 10px; }
.section-title { font-family: var(--serif); font-size: 32px; color: var(--ink); margin-bottom: 8px; font-weight: 700; line-height: 1.2; }
.section-sub { color: var(--ink-soft); max-width: 56ch; margin-bottom: 40px; }
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.proj { background: var(--paper); border: 1px solid var(--rule); padding: 24px; text-decoration: none; color: var(--ink); display: flex; flex-direction: column; }
.proj-image { aspect-ratio: 4/3; background: linear-gradient(135deg, var(--slate), var(--primary)); margin-bottom: 16px; }
.proj-image.warm { background: linear-gradient(135deg, var(--rust), var(--primary)); }
.proj-image.dark { background: linear-gradient(135deg, var(--ink), var(--slate)); }
.proj .tag { font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--rust); font-weight: 700; margin-bottom: 6px; }
.proj h3 { font-family: var(--serif); font-size: 19px; color: var(--ink); margin-bottom: 6px; font-weight: 700; }
.proj p { font-size: 13px; color: var(--ink-soft); line-height: 1.65; }

.eco-stats { background: var(--ink); color: var(--paper); padding: 48px 0; }
.eco-stats .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.eco-stat strong { font-family: var(--serif); font-size: 32px; color: var(--rust); font-weight: 700; display: block; line-height: 1; }
.eco-stat span { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.7); margin-top: 8px; display: block; }

.process { padding: 64px 0; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { padding: 20px; border-top: 4px solid var(--primary); }
.step:nth-child(2) { border-top-color: var(--rust); }
.step:nth-child(3) { border-top-color: var(--slate); }
.step:nth-child(4) { border-top-color: var(--ink); }
.step .num { font-family: var(--serif); font-size: 14px; color: var(--rust); font-weight: 700; margin-bottom: 10px; }
.step h4 { font-family: var(--serif); font-size: 17px; color: var(--ink); margin-bottom: 8px; font-weight: 700; }
.step p { font-size: 13px; color: var(--ink-soft); line-height: 1.65; }

.contact-band { padding: 72px 0; background: var(--paper); text-align: center; border-top: 1px solid var(--rule); }
.contact-band h2 { font-family: var(--serif); font-size: 28px; color: var(--ink); margin-bottom: 16px; font-weight: 700; }
.contact-band p { color: var(--ink-soft); max-width: 500px; margin: 0 auto 24px; }

footer { padding: 36px 0; background: var(--ink); color: rgba(252,250,243,0.7); text-align: center; }
footer p { margin-bottom: 4px; font-size: 13px; }
footer a { color: var(--rust); }

article.page { padding: 64px 0; max-width: 720px; margin: 0 auto; padding-left: 28px; padding-right: 28px; }
article.page h1 { font-family: var(--serif); font-size: 38px; color: var(--ink); margin-bottom: 24px; line-height: 1.2; font-weight: 700; }
article.page h2 { font-family: var(--serif); font-size: 22px; color: var(--primary-dark); margin-top: 36px; margin-bottom: 12px; font-weight: 700; }

body > header:not([class]) { padding: 22px 0; border-bottom: 2px solid var(--ink); background: var(--bg); }
body > header:not([class]) .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
body > header:not([class]) .brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 22px; color: var(--ink); font-weight: 700; text-decoration: none; }
body > header:not([class]) .brand-icon { width: 28px; height: 28px; flex-shrink: 0; color: var(--primary); }
body > header:not([class]) nav { display: flex; gap: 22px; }
body > header:not([class]) nav a { font-size: 13px; color: var(--ink); text-decoration: none; font-weight: 600; }

@media (max-width: 800px) {
  .eco-hero .grid { grid-template-columns: 1fr; gap: 24px; }
  .eco-hero h1 { font-size: 32px; }
  .proj-grid { grid-template-columns: 1fr; }
  .eco-stats .container { grid-template-columns: 1fr 1fr; gap: 18px; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  header.eco nav a { margin-left: 12px; }
}