:root {
  --ink: #111820;
  --navy: #0a1d2f;
  --navy-2: #132c42;
  --gold: #d79a2b;
  --gold-dark: #aa7415;
  --cream: #f4f0e8;
  --paper: #fbfaf7;
  --white: #ffffff;
  --muted: #5d6871;
  --line: #d8d4cb;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section { padding: 112px 0; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--gold-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .19em;
  text-transform: uppercase;
}
.eyebrow.light { color: #efb84e; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}
h2 { margin-bottom: 0; font-size: clamp(40px, 5vw, 64px); line-height: 1.04; letter-spacing: -.035em; }

.topline { background: var(--navy); color: #cbd4dc; font-size: 11px; letter-spacing: .11em; text-transform: uppercase; }
.topline-inner { display: flex; align-items: center; justify-content: space-between; min-height: 36px; }
.topline a { color: var(--white); font-weight: 700; }
.site-header { position: relative; z-index: 20; background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(17,24,32,.12); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 86px; }
.brand img { width: 158px; height: 62px; object-fit: contain; object-position: left center; }
nav { display: flex; align-items: center; gap: 32px; }
nav a { font-size: 12px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
nav a:not(.nav-cta):hover { color: var(--gold-dark); }
.nav-cta { padding: 14px 22px; background: var(--navy); color: var(--white); }
.nav-cta:hover { background: var(--gold-dark); }

.hero { position: relative; min-height: 730px; display: flex; align-items: center; overflow: hidden; background: var(--navy); }
.hero-picture, .hero > .hero-image { position: absolute; inset: 0; display: block; }
.hero-image { width: 100%; height: 100%; object-fit: cover; }
.hero-shade { position: absolute; inset: 0; background: rgba(5,18,29,.66); }
.hero-content { position: relative; z-index: 2; padding: 90px 0 82px; color: var(--white); }
.hero h1 { margin: 0 0 28px; max-width: 800px; font-size: clamp(64px, 8vw, 112px); line-height: .86; letter-spacing: -.055em; }
.hero-copy { max-width: 680px; margin-bottom: 34px; color: #eef3f5; font-size: 20px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 25px; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.button-gold { background: var(--gold); color: #131313; }
.button-gold:hover { background: #e6ad43; }
.button-ghost { border: 1px solid rgba(255,255,255,.6); color: var(--white); }
.button-ghost:hover { background: var(--white); color: var(--navy); }

.proof-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid div { min-height: 138px; display: flex; flex-direction: column; justify-content: center; padding: 26px 28px; border-right: 1px solid var(--line); }
.proof-grid div:first-child { border-left: 1px solid var(--line); }
.proof-grid strong { color: var(--navy); font-family: Georgia, "Times New Roman", serif; font-size: 38px; font-weight: 500; line-height: 1; }
.proof-grid span { margin-top: 12px; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }

.about { background: var(--cream); }
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 90px; align-items: start; }
.about-grid h2 { max-width: 700px; }
.about-copy { padding-top: 37px; color: var(--muted); font-size: 18px; line-height: 1.75; }
.about-copy p { margin-bottom: 20px; }
.about-pillars { margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.about-pillars article { min-height: 250px; padding: 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.52); }
.about-pillars span { color: var(--gold-dark); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.about-pillars h3 { margin: 48px 0 14px; color: var(--navy); font-size: 28px; }
.about-pillars p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }

.intro { background: var(--paper); }
.split-intro { display: grid; grid-template-columns: 1.05fr .95fr; gap: 90px; align-items: start; }
.split-intro h2 { max-width: 680px; }
.intro-copy { padding-top: 37px; color: var(--muted); font-size: 18px; line-height: 1.75; }
.intro-copy p { margin-bottom: 20px; }
.value-grid { margin-top: 72px; display: grid; grid-template-columns: repeat(3, 1fr); }
.value-card { min-height: 335px; padding: 38px 34px; display: flex; flex-direction: column; justify-content: flex-end; }
.value-card h3 { margin: 12px 0 15px; font-size: 36px; }
.value-card p { margin: 0; font-size: 15px; line-height: 1.65; }
.card-kicker { margin-bottom: auto; font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.dark-card { background: var(--navy); color: var(--white); }
.dark-card p { color: #cbd4dc; }
.gold-card { background: var(--gold); color: #1b1b1b; }
.pale-card { background: var(--cream); border: 1px solid var(--line); }
.adjacent-platforms { margin-top: 30px; display: grid; grid-template-columns: 1.25fr 1fr 1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.adjacent-platforms > * { padding: 31px 30px; border-right: 1px solid var(--line); }
.adjacent-platforms > *:last-child { border-right: 0; }
.adjacent-intro .eyebrow { margin-bottom: 10px; }
.adjacent-intro h3 { margin: 0; color: var(--navy); font-size: 27px; line-height: 1.15; }
.adjacent-platforms article span { color: var(--gold-dark); font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.adjacent-platforms article p { margin: 12px 0 0; color: var(--muted); font-size: 13px; line-height: 1.62; }

.process { background: var(--white); }
.section-heading { display: grid; grid-template-columns: 1fr .7fr; gap: 70px; align-items: end; margin-bottom: 62px; }
.section-heading > p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.process-step { min-height: 290px; padding: 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-step > span { color: var(--gold-dark); font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.process-step h3 { margin: 70px 0 15px; color: var(--navy); font-size: 29px; }
.process-step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }

.quality-section { display: grid; grid-template-columns: 1.15fr .85fr; min-height: 630px; background: var(--navy); }
.quality-image-wrap { min-height: 630px; }
.quality-image-wrap picture { display: block; width: 100%; height: 100%; }
.quality-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.quality-copy { padding: 90px clamp(44px, 7vw, 112px); align-self: center; color: var(--white); }
.quality-copy h2 { margin-bottom: 28px; }
.quality-copy > p:not(.eyebrow):not(.fine-print-light) { color: #d9e0e5; font-size: 18px; line-height: 1.75; }
.quality-rule { width: 64px; height: 2px; margin: 36px 0 26px; background: var(--gold); }
.fine-print-light { color: #9eabb5; font-size: 12px; line-height: 1.65; }

.providence { background: var(--cream); }
.providence-grid { display: grid; grid-template-columns: 1fr 420px; gap: 100px; align-items: center; }
.project-copy h2 { margin-bottom: 30px; }
.project-copy .lead { color: var(--navy); font-family: Georgia, "Times New Roman", serif; font-size: 24px; line-height: 1.45; }
.project-copy > p:not(.eyebrow):not(.lead) { color: var(--muted); font-size: 16px; line-height: 1.75; }
.text-link { display: inline-block; margin-top: 22px; padding-bottom: 8px; border-bottom: 1px solid var(--gold-dark); color: var(--navy); font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.text-link span { margin-left: 8px; color: var(--gold-dark); }
.project-panel { padding: 42px; background: var(--white); border-top: 5px solid var(--gold); box-shadow: 0 24px 55px rgba(10,29,47,.09); }
.panel-label { margin-bottom: 26px; color: var(--gold-dark); font-size: 11px; font-weight: 800; letter-spacing: .15em; }
.project-panel dl { margin: 0; }
.project-panel dl div { display: grid; grid-template-columns: 125px 1fr; gap: 18px; align-items: baseline; padding: 23px 0; border-top: 1px solid var(--line); }
.project-panel dt { color: var(--navy); font-family: Georgia, "Times New Roman", serif; font-size: 27px; }
.project-panel dd { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.panel-note { margin: 20px 0 0; color: #7a8389; font-size: 11px; line-height: 1.6; }
.project-priorities { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.project-priorities li { padding: 16px 0 16px 22px; border-bottom: 1px solid var(--line); color: var(--navy); font-size: 14px; line-height: 1.45; position: relative; }
.project-priorities li::before { content: ""; position: absolute; left: 0; top: 22px; width: 7px; height: 7px; background: var(--gold); }

.markets { background: var(--navy); color: var(--white); }
.markets-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 110px; align-items: start; }
.markets-grid h2 { margin-bottom: 30px; }
.markets-grid > div > p:last-child { max-width: 530px; color: #b9c5cd; font-size: 17px; line-height: 1.75; }
.markets ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.22); }
.markets li { display: flex; align-items: center; gap: 27px; padding: 21px 0; border-bottom: 1px solid rgba(255,255,255,.22); font-family: Georgia, "Times New Roman", serif; font-size: 25px; }
.markets li span { color: var(--gold); font-family: Inter, "Helvetica Neue", Arial, sans-serif; font-size: 10px; font-weight: 800; letter-spacing: .12em; }

.approach { background: var(--white); }
.section-heading.compact { margin-bottom: 54px; }
.approach-track { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.approach-track article { padding: 32px 28px 0 0; }
.approach-track span { display: inline-grid; place-items: center; width: 38px; height: 38px; background: var(--gold); color: #171717; font-size: 10px; font-weight: 800; }
.approach-track h3 { margin: 28px 0 12px; color: var(--navy); font-size: 30px; }
.approach-track p { color: var(--muted); font-size: 14px; line-height: 1.65; }

.contact { padding: 92px 0; background: var(--gold); color: #141414; }
.contact-grid { display: grid; grid-template-columns: 1fr .72fr; gap: 90px; align-items: end; }
.contact .eyebrow { color: #503506; }
.contact h2 { max-width: 700px; }
.contact-details { padding-left: 32px; border-left: 1px solid rgba(20,20,20,.35); }
.contact-details p { font-size: 14px; line-height: 1.6; }
.contact-details a { display: block; width: fit-content; margin-top: 10px; font-family: Georgia, "Times New Roman", serif; font-size: 24px; }
.contact-details a:hover { text-decoration: underline; }

footer { padding: 40px 0; background: #071521; color: #9eabb5; }
.footer-grid { display: grid; grid-template-columns: 180px 1fr auto; gap: 40px; align-items: center; }
.footer-brand { width: 145px; height: 68px; padding: 5px 10px; background: var(--white); }
.footer-brand img { width: 100%; height: 100%; object-fit: contain; }
.footer-grid p { margin: 0; font-size: 12px; }
.copyright { text-align: right; }

@media (max-width: 980px) {
  nav { gap: 18px; }
  nav a { font-size: 10px; }
  .hero { min-height: 650px; }
  .about-grid, .split-intro, .section-heading, .providence-grid, .markets-grid, .contact-grid { grid-template-columns: 1fr; gap: 42px; }
  .about-pillars { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: 1fr; }
  .adjacent-platforms { grid-template-columns: 1fr; }
  .adjacent-platforms > * { border-right: 0; border-bottom: 1px solid var(--line); }
  .adjacent-platforms > *:last-child { border-bottom: 0; }
  .value-card { min-height: 270px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .quality-section { grid-template-columns: 1fr; }
  .quality-image-wrap { min-height: 420px; }
  .providence-grid { align-items: start; }
  .project-panel { width: min(100%, 640px); }
  .approach-track { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .footer-grid { grid-template-columns: 160px 1fr; }
  .copyright { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 720px) {
  .shell { width: min(calc(100% - 32px), 1180px); }
  .section { padding: 64px 0; }
  h2 { font-size: clamp(38px, 11vw, 48px); line-height: 1.06; }
  .topline-inner span { display: none; }
  .topline-inner { justify-content: flex-end; }
  .header-inner { min-height: 72px; }
  .brand { display: flex; align-items: center; gap: 9px; flex: 0 0 auto; }
  .brand::after {
    content: "BG BIOFUELS";
    color: var(--ink);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .12em;
    white-space: nowrap;
  }
  .brand img { width: 48px; height: 48px; object-fit: cover; object-position: center top; }
  nav a:not(.nav-cta) { display: none; }
  .nav-cta { padding: 12px 18px; }
  .hero { min-height: 640px; }
  .hero-image { object-position: 60% center; }
  .hero-content { padding: 58px 0 64px; }
  .hero h1 { margin-bottom: 24px; font-size: clamp(48px, 13.2vw, 56px); line-height: .92; }
  .hero-copy { margin-bottom: 28px; font-size: 16px; line-height: 1.55; }
  .button { width: 100%; min-height: 48px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid div { min-height: 118px; padding: 20px 18px; border-bottom: 1px solid var(--line); }
  .proof-grid strong { font-size: 30px; }
  .split-intro { gap: 22px; }
  .about-grid { gap: 22px; }
  .about-copy { padding-top: 0; }
  .about-pillars { margin-top: 36px; }
  .about-pillars { grid-template-columns: 1fr; }
  .about-pillars article { min-height: 0; padding: 27px 26px; }
  .about-pillars h3 { margin: 28px 0 12px; font-size: 27px; }
  .intro-copy { padding-top: 0; }
  .value-grid { margin-top: 40px; }
  .value-card { min-height: 220px; padding: 30px 28px; }
  .value-card h3 { font-size: 32px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step { min-height: 0; padding: 27px 26px; }
  .process-step h3 { margin-top: 30px; font-size: 27px; }
  .quality-image-wrap { min-height: 260px; }
  .quality-copy { padding: 56px 24px; }
  .project-panel { padding: 30px 24px; }
  .project-panel dl div { grid-template-columns: 102px 1fr; }
  .markets-grid { gap: 35px; }
  .markets li { font-size: 21px; }
  .approach-track { grid-template-columns: 1fr; }
  .approach-track article { padding-right: 0; }
  .contact-details { padding: 28px 0 0; border-left: 0; border-top: 1px solid rgba(20,20,20,.35); }
  .contact-details a { font-size: 21px; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
}

@media (max-width: 360px) {
  .shell { width: min(calc(100% - 24px), 1180px); }
  .brand::after { font-size: 11px; letter-spacing: .09em; }
  .brand img { width: 44px; height: 44px; }
  .nav-cta { padding: 11px 14px; }
  .hero h1 { font-size: 47px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}