:root {
  --ink: #17251d;
  --ink-soft: #5c6b62;
  --forest: #0c2116;
  --forest-2: #163626;
  --leaf: #b6dc62;
  --leaf-strong: #9eca47;
  --beet: #dc5368;
  --beet-deep: #a92f4b;
  --cream: #f3f0e4;
  --paper: #fbfaf5;
  --white: #ffffff;
  --line: rgba(23, 37, 29, .13);
  --line-dark: rgba(255, 255, 255, .14);
  --shadow: 0 24px 70px rgba(15, 36, 24, .12);
  --radius: 22px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
::selection { background: var(--leaf); color: var(--forest); }

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 999;
  padding: 10px 16px;
  color: var(--forest);
  background: var(--leaf);
  border-radius: 8px;
  transition: top .2s ease;
}
.skip-link:focus { top: 16px; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  color: var(--white);
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.site-header.scrolled {
  background: rgba(9, 28, 18, .9);
  border-color: rgba(255,255,255,.09);
  backdrop-filter: blur(16px);
}
.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}
.brand-mark {
  width: 42px;
  height: 42px;
  fill: var(--beet);
}
.brand-mark .leaf { fill: var(--leaf); }
.brand-mark .line {
  fill: none;
  stroke: rgba(255,255,255,.72);
  stroke-width: 1.8;
  stroke-linecap: round;
}
.brand span { display: grid; line-height: 1.05; }
.brand strong {
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 1.18rem;
  letter-spacing: -.02em;
}
.brand small {
  margin-top: 5px;
  color: rgba(255,255,255,.62);
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: .91rem;
  font-weight: 600;
}
.main-nav a {
  position: relative;
  color: rgba(255,255,255,.76);
  transition: color .2s ease;
}
.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -7px;
  height: 1px;
  background: var(--leaf);
  transition: right .25s ease;
}
.main-nav a:hover,
.main-nav a:focus-visible { color: var(--white); }
.main-nav a:hover::after,
.main-nav a:focus-visible::after { right: 0; }
.main-nav .nav-cta {
  padding: 11px 18px;
  color: var(--forest);
  background: var(--leaf);
  border-radius: 999px;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
}
.menu-toggle span:not(.sr-only) {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
  transition: transform .25s ease, opacity .25s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-7px) rotate(-45deg); }

.hero {
  position: relative;
  min-height: 860px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 75% 42%, rgba(69, 135, 85, .18), transparent 28%),
    linear-gradient(135deg, #07160e 0%, #102d1d 56%, #0a1e14 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(14px);
  opacity: .3;
}
.hero-glow-one {
  width: 340px;
  height: 340px;
  top: 80px;
  right: -130px;
  background: rgba(182,220,98,.27);
}
.hero-glow-two {
  width: 280px;
  height: 280px;
  bottom: 130px;
  left: -180px;
  background: rgba(220,83,104,.18);
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: center;
  gap: 28px;
  min-height: 800px;
  padding-top: 98px;
  padding-bottom: 70px;
}
.hero-copy { max-width: 670px; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: rgba(255,255,255,.67);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow span {
  width: 29px;
  height: 1px;
  background: var(--leaf);
}
.eyebrow.dark { color: #758177; }
.hero h1,
.section-heading h2,
.impact-copy h2,
.roadmap-header h2,
.faq-intro h2,
.contact-copy h2 {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  letter-spacing: -.055em;
  line-height: 1.04;
}
.hero h1 {
  max-width: 690px;
  font-size: clamp(3.2rem, 6.2vw, 6.1rem);
  font-weight: 700;
}
.hero h1 em {
  display: block;
  color: var(--leaf);
  font-style: normal;
}
.hero-lead {
  max-width: 650px;
  margin: 30px 0 0;
  color: rgba(255,255,255,.72);
  font-size: clamp(1rem, 1.4vw, 1.16rem);
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 35px;
}
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button svg, .text-link svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.button-primary {
  color: var(--forest);
  background: var(--leaf);
}
.button-primary:hover { background: #c5e97a; }
.button-ghost {
  color: var(--white);
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.04);
}
.button-ghost:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.35);
}
.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 690px;
  margin: 50px 0 0;
}
.hero-facts div {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 11px;
}
.hero-facts dt {
  color: var(--leaf);
  font-size: .72rem;
  font-weight: 700;
}
.hero-facts dd {
  margin: 0;
  color: rgba(255,255,255,.62);
  font-size: .78rem;
  line-height: 1.45;
}

.hero-visual {
  position: relative;
  min-height: 620px;
  display: grid;
  place-items: center;
}
.beet-illustration {
  position: relative;
  z-index: 2;
  width: min(94%, 500px);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-13px) rotate(1deg); }
}
.orbit {
  position: absolute;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
}
.orbit::before,
.orbit::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--leaf);
  box-shadow: 0 0 0 6px rgba(182,220,98,.1);
}
.orbit-one {
  width: 520px;
  height: 520px;
  animation: spin 22s linear infinite;
}
.orbit-one::before { top: 37px; left: 106px; }
.orbit-one::after { right: 25px; bottom: 165px; background: var(--beet); box-shadow: 0 0 0 6px rgba(220,83,104,.1); }
.orbit-two {
  width: 400px;
  height: 400px;
  border-style: dashed;
  animation: spin-reverse 30s linear infinite;
}
.orbit-two::before { left: -3px; top: 198px; width: 6px; height: 6px; }
.orbit-two::after { right: 72px; top: 14px; width: 6px; height: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spin-reverse { to { transform: rotate(-360deg); } }

.product-chip {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  color: rgba(255,255,255,.82);
  background: rgba(9,29,19,.72);
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 35px rgba(0,0,0,.18);
  font-size: .78rem;
  font-weight: 600;
}
.product-chip span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--leaf);
}
.chip-syrup { top: 20%; left: -2%; }
.chip-ethanol { top: 31%; right: -3%; }
.chip-gas { bottom: 24%; right: -8%; }
.chip-feed { bottom: 15%; left: 2%; }
.chip-ethanol span { background: #efbd66; }
.chip-gas span { background: #67c68c; }
.chip-feed span { background: #d78a5f; }

.hero-bottom-line {
  position: absolute;
  z-index: 3;
  bottom: 0;
  left: 0;
  right: 0;
  border-top: 1px solid var(--line-dark);
  background: rgba(4,15,9,.27);
}
.hero-bottom-line .container {
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}
.hero-bottom-line p {
  margin: 0;
  color: rgba(255,255,255,.5);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.hero-bottom-line span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--beet);
}

.section { padding: 120px 0; }
.section-light { background: var(--paper); }
.section-cream { background: var(--cream); }
.section-heading h2,
.impact-copy h2,
.roadmap-header h2,
.faq-intro h2 {
  font-size: clamp(2.25rem, 4.7vw, 4.4rem);
  font-weight: 650;
}
.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .65fr);
  align-items: end;
  gap: 80px;
}
.heading-copy {
  padding-bottom: 4px;
  color: var(--ink-soft);
}
.heading-copy p { margin: 0 0 14px; }
.heading-copy p:last-child { margin-bottom: 0; }
.centered {
  max-width: 820px;
  margin: 0 auto 70px;
  text-align: center;
}
.centered .eyebrow { justify-content: center; }
.centered > p:last-child {
  max-width: 680px;
  margin: 24px auto 0;
  color: rgba(255,255,255,.62);
}
.section-light .centered > p:last-child,
.section-cream .centered > p:last-child { color: var(--ink-soft); }

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 70px;
}
.principle-card {
  position: relative;
  min-height: 340px;
  padding: 32px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(15,36,24,.055);
}
.principle-card::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -110px;
  bottom: -110px;
  border: 1px solid rgba(182,220,98,.45);
  border-radius: 50%;
  transition: transform .4s ease;
}
.principle-card:hover::after { transform: scale(1.2); }
.card-number {
  position: absolute;
  top: 28px;
  right: 28px;
  color: #a7afa9;
  font-size: .72rem;
  font-weight: 700;
}
.icon-wrap {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin-bottom: 70px;
  color: var(--forest);
  background: #eef4dd;
  border-radius: 16px;
}
.icon-wrap svg {
  width: 30px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.principle-card h3 {
  margin: 0 0 12px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 1.35rem;
  letter-spacing: -.025em;
}
.principle-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: .94rem;
}

.process-section {
  color: var(--white);
  background:
    radial-gradient(circle at 50% 0%, rgba(76,141,94,.2), transparent 36%),
    var(--forest);
}
.process-track {
  position: relative;
  max-width: 1040px;
  margin: 0 auto;
}
.process-line {
  position: absolute;
  top: 28px;
  bottom: 28px;
  left: 50%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(182,220,98,.5) 8%, rgba(255,255,255,.12) 92%, transparent);
}
.process-step {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 88px 1fr;
  min-height: 190px;
}
.process-step:nth-child(odd) .step-content {
  grid-column: 1;
  text-align: right;
}
.process-step:nth-child(even) .step-content { grid-column: 3; }
.step-dot {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  justify-content: center;
  padding-top: 16px;
}
.step-dot span {
  position: relative;
  z-index: 2;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--forest);
  background: var(--leaf);
  border: 7px solid var(--forest);
  outline: 1px solid rgba(182,220,98,.36);
  border-radius: 50%;
  font-size: .74rem;
  font-weight: 800;
}
.step-content {
  grid-row: 1;
  align-self: start;
  padding: 8px 36px 34px;
}
.step-label {
  margin: 0 0 7px;
  color: var(--leaf);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.step-content h3 {
  margin: 0 0 10px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 1.35rem;
}
.step-content p:last-child {
  margin: 0;
  color: rgba(255,255,255,.57);
  font-size: .91rem;
}

.products-section { overflow: hidden; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(270px, auto);
  gap: 18px;
  margin-top: 70px;
}
.product-card {
  position: relative;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(16,39,27,.08);
  transition: transform .25s ease, box-shadow .25s ease;
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 30px 70px rgba(16,39,27,.14);
}
.product-card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -80px;
  bottom: -120px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: .16;
}
.product-card-large { grid-column: span 7; }
.product-card:not(.product-card-large):not(.product-card-wide) { grid-column: span 5; }
.product-card-wide { grid-column: span 7; }
.feed { grid-column: span 7; }
.gas { grid-column: span 5 !important; }
.product-top {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}
.product-top p {
  margin: 0;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.product-top svg {
  width: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.product-card > div:nth-child(2) {
  position: relative;
  z-index: 2;
  max-width: 540px;
}
.product-card h3 {
  margin: 0 0 12px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: clamp(1.8rem, 3vw, 3rem);
  letter-spacing: -.045em;
  line-height: 1.05;
}
.product-card p { margin: 0; }
.product-card > div:nth-child(2) p { max-width: 520px; opacity: .7; }
.product-tag {
  position: relative;
  z-index: 2;
  width: max-content;
  max-width: 100%;
  padding: 8px 12px;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: .67;
  font-size: .72rem;
  font-weight: 700;
}
.syrup { color: #fff; background: linear-gradient(135deg, #b63450, #e66b77); }
.ethanol { color: #17251d; background: #dfe89d; }
.gas { color: #fff; background: #1b5b3c; }
.feed { color: #382418; background: #e7cba4; }
.potential-note {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
  padding: 18px 22px;
  color: var(--ink-soft);
  background: rgba(255,255,255,.48);
  border: 1px dashed rgba(23,37,29,.2);
  border-radius: 16px;
}
.potential-note span {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--forest);
  background: var(--leaf);
  border-radius: 50%;
  font-size: 1.3rem;
}
.potential-note p { margin: 0; }

.impact-section {
  color: var(--white);
  background: #143323;
}
.impact-grid {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 100px;
  align-items: start;
}
.impact-copy {
  position: sticky;
  top: 125px;
}
.impact-copy p:not(.eyebrow) {
  margin: 28px 0 0;
  color: rgba(255,255,255,.61);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 30px;
  color: var(--leaf);
  font-weight: 700;
}
.impact-list { border-top: 1px solid var(--line-dark); }
.impact-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 20px;
  padding: 35px 0;
  border-bottom: 1px solid var(--line-dark);
}
.impact-item > span {
  color: var(--leaf);
  font-size: .75rem;
  font-weight: 800;
}
.impact-item h3 {
  margin: 0 0 10px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 1.45rem;
  letter-spacing: -.025em;
}
.impact-item p {
  margin: 0;
  color: rgba(255,255,255,.57);
  font-size: .92rem;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.partner-card {
  position: relative;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.partner-card:hover {
  color: var(--white);
  background: var(--forest-2);
  transform: translateY(-4px);
}
.partner-index {
  margin: 0 0 58px;
  color: var(--beet);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: .8rem;
  font-weight: 800;
}
.partner-card h3 {
  margin: 0 0 13px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 1.45rem;
  letter-spacing: -.025em;
}
.partner-card > p:nth-of-type(2) {
  margin: 0 0 28px;
  color: var(--ink-soft);
}
.partner-card:hover > p:nth-of-type(2) { color: rgba(255,255,255,.62); }
.partner-card a {
  margin-top: auto;
  color: var(--ink);
  font-size: .86rem;
  font-weight: 800;
}
.partner-card:hover a { color: var(--leaf); }
.partner-card a span { margin-left: 5px; }

.roadmap-section {
  color: var(--white);
  background: var(--forest);
}
.roadmap-header {
  display: grid;
  grid-template-columns: 1fr .7fr;
  gap: 90px;
  align-items: end;
  margin-bottom: 65px;
}
.roadmap-header > p {
  margin: 0 0 6px;
  color: rgba(255,255,255,.58);
}
.roadmap {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}
.roadmap li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 22px;
  padding: 29px 20px 29px 0;
  border-bottom: 1px solid var(--line-dark);
}
.roadmap li > span {
  color: rgba(255,255,255,.33);
  font-size: .74rem;
  font-weight: 800;
}
.roadmap li.active > span { color: var(--leaf); }
.roadmap li p {
  margin: 0 0 5px;
  color: rgba(255,255,255,.42);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.roadmap li.active p { color: var(--leaf); }
.roadmap li h3 {
  margin: 0;
  color: rgba(255,255,255,.75);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: clamp(1.2rem, 2.4vw, 2rem);
  letter-spacing: -.03em;
}
.roadmap li.active h3 { color: var(--white); }

.faq-grid {
  display: grid;
  grid-template-columns: .7fr 1fr;
  gap: 90px;
  align-items: start;
}
.faq-intro {
  position: sticky;
  top: 125px;
}
.faq-intro > p:last-child {
  margin: 25px 0 0;
  color: var(--ink-soft);
}
.accordion {
  border-top: 1px solid var(--line);
}
.accordion-item { border-bottom: 1px solid var(--line); }
.accordion-item button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  padding: 27px 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  text-align: left;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
}
.accordion-icon {
  position: relative;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(23,37,29,.22);
  border-radius: 50%;
}
.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1px;
  background: currentColor;
  transform: translate(-50%, -50%);
}
.accordion-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform .2s ease;
}
.accordion-item button[aria-expanded="true"] .accordion-icon::after {
  transform: translate(-50%, -50%) rotate(0);
}
.accordion-panel { padding: 0 46px 26px 0; }
.accordion-panel p {
  margin: 0;
  color: var(--ink-soft);
}

.contact-section {
  padding: 120px 0;
  color: var(--white);
  background:
    radial-gradient(circle at 15% 20%, rgba(182,220,98,.12), transparent 25%),
    linear-gradient(135deg, #122f20, #081a11);
}
.contact-grid {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 90px;
}
.contact-copy h2 {
  max-width: 560px;
  font-size: clamp(2.55rem, 5vw, 4.9rem);
  font-weight: 650;
}
.contact-copy > p:not(.eyebrow) {
  max-width: 570px;
  margin: 28px 0 0;
  color: rgba(255,255,255,.6);
}
.contact-meta {
  display: grid;
  gap: 17px;
  margin-top: 46px;
}
.contact-meta div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line-dark);
}
.contact-meta span {
  color: rgba(255,255,255,.38);
  font-size: .76rem;
}
.contact-meta strong {
  font-size: .91rem;
  font-weight: 600;
}
.contact-form {
  padding: 34px;
  color: var(--ink);
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0,0,0,.24);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}
.contact-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: #334239;
  font-size: .76rem;
  font-weight: 700;
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  color: var(--ink);
  background: var(--white);
  border: 1px solid rgba(23,37,29,.14);
  border-radius: 11px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.contact-form input,
.contact-form select { height: 48px; padding: 0 14px; }
.contact-form textarea { resize: vertical; padding: 13px 14px; }
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--leaf-strong);
  box-shadow: 0 0 0 4px rgba(182,220,98,.18);
}
.submit-button {
  margin-top: 4px;
  border: 0;
}
.form-note {
  margin: 14px 0 0;
  color: #7b877f;
  font-size: .7rem;
}
.form-status {
  margin: 13px 0 0;
  padding: 11px 13px;
  color: #194525;
  background: #e5f2d4;
  border-radius: 10px;
  font-size: .78rem;
}

.site-footer {
  color: rgba(255,255,255,.6);
  background: #06130c;
}
.footer-top {
  min-height: 150px;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: center;
  gap: 50px;
}
.footer-top > p { max-width: 380px; margin: 0; }
.back-to-top {
  color: var(--leaf);
  font-size: .84rem;
  font-weight: 700;
}
.footer-bottom {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line-dark);
  font-size: .72rem;
}
.footer-bottom p { margin: 0; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1020px) {
  .main-nav { gap: 19px; font-size: .84rem; }
  .hero-grid { grid-template-columns: 1fr .8fr; }
  .hero-visual { min-height: 520px; }
  .orbit-one { width: 430px; height: 430px; }
  .orbit-two { width: 330px; height: 330px; }
  .chip-gas { right: 0; }
  .split-heading,
  .impact-grid,
  .roadmap-header,
  .faq-grid,
  .contact-grid { gap: 55px; }
}

@media (max-width: 840px) {
  .header-inner { min-height: 74px; }
  .menu-toggle { display: block; position: relative; z-index: 102; }
  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 101;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    visibility: hidden;
    opacity: 0;
    font-size: 1.25rem;
    background: rgba(7,22,14,.98);
    transition: opacity .25s ease, visibility .25s ease;
  }
  .main-nav.open { visibility: visible; opacity: 1; }
  .main-nav .nav-cta { margin-top: 10px; font-size: 1rem; }

  .hero { min-height: auto; }
  .hero-grid {
    grid-template-columns: 1fr;
    padding-top: 145px;
    padding-bottom: 110px;
  }
  .hero-copy { max-width: 760px; }
  .hero-visual {
    min-height: 570px;
    margin-top: 15px;
  }
  .hero-facts { max-width: 100%; }
  .hero-bottom-line { position: relative; }
  .hero-bottom-line .container { overflow-x: auto; justify-content: flex-start; min-height: 55px; }
  .hero-bottom-line p { min-width: max-content; }

  .section { padding: 90px 0; }
  .split-heading,
  .impact-grid,
  .roadmap-header,
  .faq-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .split-heading { gap: 30px; }
  .principles-grid { grid-template-columns: 1fr; }
  .principle-card { min-height: 280px; }
  .icon-wrap { margin-bottom: 45px; }

  .impact-copy,
  .faq-intro { position: static; }
  .partner-grid { grid-template-columns: 1fr; }
  .roadmap-header { gap: 28px; }
  .faq-grid { gap: 55px; }

  .footer-top { grid-template-columns: 1fr auto; }
  .footer-top > p { grid-column: 1 / -1; grid-row: 2; padding-bottom: 28px; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .hero h1 { font-size: clamp(2.7rem, 14vw, 4.4rem); }
  .hero-lead { font-size: .98rem; }
  .hero-facts { grid-template-columns: 1fr; gap: 13px; }
  .hero-facts div { grid-template-columns: 28px 1fr; }
  .hero-visual { min-height: 470px; }
  .beet-illustration { width: 90%; }
  .orbit-one { width: 360px; height: 360px; }
  .orbit-two { width: 280px; height: 280px; }
  .product-chip { padding: 8px 10px; font-size: .67rem; }
  .chip-syrup { left: 0; top: 15%; }
  .chip-ethanol { right: 0; top: 28%; }
  .chip-gas { right: 0; bottom: 24%; }
  .chip-feed { left: 0; bottom: 15%; }

  .section { padding: 76px 0; }
  .section-heading h2,
  .impact-copy h2,
  .roadmap-header h2,
  .faq-intro h2 { font-size: clamp(2.05rem, 10vw, 3.1rem); }
  .centered { margin-bottom: 48px; }
  .principles-grid,
  .product-grid { margin-top: 48px; }

  .process-line { left: 22px; }
  .process-step {
    grid-template-columns: 46px 1fr;
    min-height: 0;
    padding-bottom: 35px;
  }
  .process-step:nth-child(odd) .step-content,
  .process-step:nth-child(even) .step-content {
    grid-column: 2;
    text-align: left;
  }
  .step-dot {
    grid-column: 1;
    justify-content: flex-start;
    padding-top: 0;
  }
  .step-dot span {
    width: 44px;
    height: 44px;
  }
  .step-content {
    grid-column: 2;
    padding: 0 0 0 20px;
  }

  .product-grid { display: grid; grid-template-columns: 1fr; grid-auto-rows: auto; }
  .product-card,
  .product-card-large,
  .product-card-wide,
  .product-card:not(.product-card-large):not(.product-card-wide),
  .gas,
  .feed { grid-column: 1 !important; min-height: 310px; }
  .potential-note { align-items: flex-start; }

  .impact-item { grid-template-columns: 42px 1fr; }
  .partner-card { min-height: 270px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 24px 20px; }
  .contact-meta div { grid-template-columns: 75px 1fr; }

  .footer-top { padding: 38px 0; grid-template-columns: 1fr; gap: 22px; }
  .footer-top > p { grid-column: auto; grid-row: auto; padding: 0; }
  .footer-bottom {
    min-height: 100px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 5px;
  }
}

@media (max-width: 430px) {
  .hero-actions { align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .hero-visual { min-height: 420px; }
  .orbit-one { width: 320px; height: 320px; }
  .orbit-two { width: 245px; height: 245px; }
  .product-chip { font-size: .6rem; }
}

/* Beta Energy branding and company details */
.brand-logo { width: 72px; height: 72px; object-fit: contain; padding: 5px; border-radius: 14px; background: #fff; flex: none; }
.brand strong { white-space: nowrap; }
.contact-meta strong { overflow-wrap: anywhere; }
.contact-meta a, .footer-bottom a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.contact-card h3 { margin: 0; font-size: 1.55rem; }
.contact-card > p { margin: 7px 0 22px; color: #526056; font-size: .86rem; }
.company-details { margin: 0 0 25px; }
.company-details div { padding: 11px 0; border-top: 1px solid rgba(23,37,29,.12); }
.company-details dt { margin-bottom: 4px; color: #66746a; font-size: .76rem; }
.company-details dd { margin: 0; font-size: .92rem; font-weight: 600; overflow-wrap: anywhere; }
@media (max-width: 680px) { .brand-logo { width: 60px; height: 60px; } .brand strong { font-size: 1rem; } .contact-meta div { grid-template-columns: 75px 1fr; gap: 10px; } }