/* Independent Green Projects – "Sun and soil" brand (Option D logo system) */

@font-face{font-family:"Hanken Grotesk";font-style:normal;font-weight:400 700;font-display:swap;src:url(assets/fonts/hanken-grotesk-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Hanken Grotesk";font-style:normal;font-weight:400 700;font-display:swap;src:url(assets/fonts/hanken-grotesk-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  /* Sun and soil palette */
  --sisal:#F3EBDD;     /* page ground */
  --night:#1F2430;     /* text, wordmark, dark sections */
  --laterite:#A8432A;  /* brand color, sun on light, buttons */
  --sun:#E9A23B;       /* sun on dark, highlights on dark */
  --acacia:#5E7A3A;    /* small accents only */
  --clay:#7A2E1C;      /* button hover, warm dark sections */
  --harvest:#8A5A12;   /* gold text on light grounds */
  --muted:#5C5348;     /* secondary text on light */
  --line:#E4DCCD;      /* hairlines on light */
  --line-strong:#D8CDBA;
  --white:#FFFFFF;     /* alternating light band */
  --sand-text:#E4DCCD; /* body text on dark */
  --sun-hover:#D9932C;
  --font:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--sisal);color:var(--night);font:400 17px/1.65 var(--font)}
a{color:var(--laterite)}
a:hover{color:var(--clay)}
a:focus-visible{outline:3px solid var(--laterite);outline-offset:5px}
.wrap{width:min(1240px,90%);margin:auto}

/* Header and logo lockup */
header{position:sticky;top:0;z-index:5;background:var(--sisal);border-bottom:1px solid var(--line)}
header .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;padding:18px 0}
.brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:inherit}
.brand-symbol{width:40px;height:35px;flex:none}
.brand-letters{width:72px;height:29px;flex:none}
.brand .sun{fill:var(--laterite)}
.brand .lines,.brand-letters g{stroke:var(--night)}
.on-dark .brand .sun{fill:var(--sun)}
.on-dark .brand .lines,.on-dark .brand-letters g{stroke:var(--sisal)}
nav{display:flex;align-items:center;gap:28px;font-size:15px}
nav a{color:var(--night);text-decoration:none}
nav a:hover{color:var(--laterite)}

/* Type */
.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:12px;font-weight:600;color:var(--laterite);margin:0 0 24px}
h1,h2,h3,h4,p{margin-top:0}
h1,h2{font-weight:500}
h1{font-size:clamp(3rem,5.5vw,5.1rem);line-height:1.02;letter-spacing:-.035em;margin-bottom:28px}
h2{font-size:clamp(2rem,3.5vw,3.1rem);line-height:1.1;letter-spacing:-.03em;margin-bottom:26px}
h3{font-size:20px;font-weight:600;line-height:1.3;letter-spacing:-.015em;margin-bottom:12px}
h4{font-size:18px;font-weight:600;line-height:1.3;letter-spacing:-.01em;margin:0 0 10px}
.accent{color:var(--laterite)}
p{margin-bottom:22px}
.lead{font-size:21px;line-height:1.55}
figure{margin:0;align-self:stretch;display:flex;flex-direction:column;justify-content:center}
figure img{width:100%;height:auto;aspect-ratio:1040/468;object-fit:contain;object-position:center;display:block}
figcaption{font-size:12px;color:var(--muted);margin-top:12px}

/* Buttons */
.button{display:inline-block;padding:13px 22px;background:var(--laterite);color:var(--sisal);text-decoration:none;font-size:14px;font-weight:700;border:1px solid var(--laterite);border-radius:4px}
.button:hover{background:var(--clay);border-color:var(--clay);color:var(--sisal)}
.hero .button{margin-top:9px}
.light{background:var(--sun);border-color:var(--sun);color:var(--night)}
.light:hover{background:var(--sun-hover);border-color:var(--sun-hover);color:var(--night)}
.outline{background:transparent;border-color:var(--line-strong);color:inherit}
.outline:hover{background:rgba(255,255,255,.08)}

/* Hero */
.hero{display:grid;grid-template-columns:1fr 1.05fr;gap:65px;padding:75px 0 68px;align-items:center}

/* Purpose – warm dark section on Deep clay, gold sun */
.purpose{background:var(--clay);color:var(--sisal);padding:65px 0}
.purpose .eyebrow{color:var(--sisal)}
.purpose h2{font-size:38px;color:var(--sisal)}
.purpose p{color:var(--sand-text)}
.purpose .lead{color:var(--sisal)}
.purpose p:last-child{margin-bottom:0}
.purpose-side{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start}
.purpose-mark{width:120px;height:106px;margin-top:40px}
.split{display:grid;grid-template-columns:1fr 1.15fr;gap:80px}

/* Project */
.project{padding:85px 0}
.section-top{display:flex;justify-content:space-between;gap:20px;margin-bottom:26px}
.location{font-size:14px;color:var(--muted)}
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);padding:28px 0;margin:36px 0 12px;gap:24px}
.facts dt{font-size:14px;color:var(--muted)}
.facts dd{font-size:clamp(1.7rem,3vw,2.5rem);letter-spacing:-.03em;margin:10px 0 0;font-weight:600;line-height:1.2}
.facts+.story{border-top:0;padding-top:0}
.estimate{font-size:12px;color:var(--muted)}
.story{margin-top:60px;padding-top:45px;border-top:1px solid var(--line-strong)}
.story h3{font-size:30px;font-weight:500;line-height:1.15;letter-spacing:-.03em;margin-bottom:22px}
.story p{font-size:16px}
.background{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:55px;align-items:start}
.timeline-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:6px 0 20px}
.timeline{list-style:none;margin:0;padding:0 0 0 22px;border-left:2px solid var(--acacia)}
.timeline li{position:relative;margin-bottom:22px}
.timeline li:last-child{margin-bottom:0}
.timeline li::before{content:"";position:absolute;left:-29px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--sisal);border:2px solid var(--laterite)}
.timeline li:last-child::before{background:var(--laterite)}
.timeline span{display:block;font-size:14px;font-weight:600;color:var(--harvest);margin-bottom:4px}
.timeline p{margin:0;font-size:15px}
.reasons{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:10px}
.reasons article{border-top:3px solid var(--laterite);padding-top:18px}
.reasons p{margin-bottom:0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-top:30px}
.steps span{display:block;font-size:14px;font-weight:600;color:var(--laterite);margin-bottom:18px}
.steps p{font-size:16px;margin-bottom:0}
.distribution{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:55px;align-items:start;margin-top:60px;padding-top:45px;border-top:1px solid var(--line-strong)}
.distribution-copy h3{font-size:30px;font-weight:500;line-height:1.15;letter-spacing:-.03em;margin-bottom:22px}
.distribution-copy p{font-size:16px}
.distribution-points{margin:24px 0 0}
.distribution-points>div{margin-bottom:20px}
.distribution-points dt{font-weight:600;font-size:16px}
.distribution-points dd{margin:5px 0 0;font-size:16px;color:var(--muted)}
.project-map{max-width:580px;width:100%;margin:0;align-self:start;justify-self:end;display:block}
.project-map>a{display:block}
.project-map img{width:100%;height:auto;max-height:none;aspect-ratio:2046/1664;object-fit:contain}
.project-map figcaption{font-size:14px;line-height:1.5}
.ahead{background:var(--white);border-top:0;padding:40px 44px;gap:60px;border-radius:6px}
.ahead p:last-child{margin-bottom:0}

/* Approach */
.approach{padding:75px 0;background:var(--white)}
.principles article{padding:0 0 22px;margin-bottom:26px;border-bottom:1px solid var(--line)}
.principles article:last-child{border:0;margin-bottom:0;padding-bottom:0}
.principles p{margin-bottom:0}

/* People */
.people{padding:85px 0}
.team{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:30px 0}
.team p{font-size:16px}
.committee{padding-left:1.2rem;margin:0 0 28px}
.committee li{padding-left:.25rem;margin-bottom:12px}
.committee li::marker{color:var(--laterite)}

/* Contact – Night section, gold highlights */
.contact{background:var(--night);color:var(--sisal);padding:65px 0}
.contact .eyebrow{color:var(--sun)}
.contact h2{color:var(--sisal)}
.contact p{color:var(--sand-text)}
.contact .lead{color:var(--sisal)}
.contact-links{display:flex;flex-wrap:wrap;gap:14px}

/* Technical overview */
.technical{padding:60px 0;border-top:1px solid var(--line-strong)}
.technical-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:55px;align-items:start}
.technical-copy .lead{font-size:19px}
.technical-copy h3{margin-top:28px}
.technical-copy p{font-size:16px}
.system-diagram{width:100%;max-width:440px;margin:0;justify-self:end;align-self:start;display:block;background:var(--white);border-radius:6px;padding:16px}
.system-diagram img{width:100%;height:auto;max-height:none;aspect-ratio:680/550;object-fit:contain}
.system-diagram figcaption{font-size:14px;line-height:1.5}
.technical-details{margin-top:24px;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);padding:16px 0}
.technical-details summary{cursor:pointer;font-weight:600}
.technical-details p{margin:16px 0 0;max-width:75ch}

/* Footer – Night band with the gold-sun lockup */
footer{background:var(--night);color:var(--sand-text);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:34px 0}
footer .brand-letters{width:62px;height:25px}
footer .brand-symbol{width:34px;height:30px}
.footer-meta{display:flex;flex-direction:column;gap:2px;text-align:right}
.footer-meta span:first-child{color:var(--sisal);font-weight:600}

.skip{position:absolute;left:16px;top:-100px;background:var(--white);color:var(--night);padding:10px;z-index:9}
.skip:focus{top:10px}

@media(max-width:1000px){
  .facts,.steps{grid-template-columns:1fr 1fr}
  .reasons{grid-template-columns:1fr;gap:26px}
}
@media(max-width:800px){
  header .wrap{align-items:center;gap:16px;padding:14px 0}
  nav{gap:10px 18px;flex-wrap:wrap;justify-content:flex-end;font-size:14px}
  .hero{gap:30px;padding:45px 0;grid-template-columns:1fr}
  .hero-copy{max-width:600px}
  .split{grid-template-columns:1fr;gap:22px}
  .purpose-mark{display:none}
  .purpose,.approach,.contact{padding:48px 0}
  .project,.people{padding:55px 0}
  .section-top{flex-direction:column;gap:0;margin-bottom:12px}
  .section-top .eyebrow{margin-bottom:10px}
  .story{margin-top:40px;padding-top:30px}
  .background{grid-template-columns:1fr;gap:30px}
  .ahead{padding:30px 24px;gap:10px}
  .story h3{font-size:26px}
  .distribution{grid-template-columns:1fr;gap:20px;margin-top:40px;padding-top:30px}
  .project-map{justify-self:center;max-width:520px}
  .technical{padding:40px 0}
  .technical-layout{grid-template-columns:1fr;gap:24px}
  .system-diagram{max-width:380px;justify-self:center}
}
@media(max-width:600px){
  header .wrap{flex-direction:column;align-items:flex-start;gap:10px}
  nav{gap:8px 16px;justify-content:flex-start;font-size:14px}
}
@media(max-width:520px){
  html{scroll-padding-top:72px}
  .facts,.steps{grid-template-columns:1fr}
  .facts{gap:24px}
  .facts dd{font-size:32px}
  .steps{margin-top:35px}
  .lead{font-size:19px}
  h1{font-size:48px}
  .team{gap:20px}
  footer .wrap{flex-direction:column;align-items:flex-start;gap:14px}
  .footer-meta{text-align:left}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}