/* ==========================================================================
   Carbon Bridge Africa — site styles
   1. Tokens  2. Base  3. Layout  4. Header/Nav  5. Hero  6. Components
   7. Page sections  8. Forms  9. Footer  10. Motion  11. Responsive
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --charcoal-900: #141917;
  --charcoal-800: #1c2321;
  --charcoal-700: #2a3330;
  --charcoal-500: #55615c;
  --charcoal-300: #9aa49f;
  --green-900: #0f3322;
  --green-800: #154530;
  --green-700: #1d5c3e;
  --green-600: #24724c;
  --green-500: #3a8f5f;
  --green-300: #8cc49c;
  --lime: #b7d65a;
  --cream: #f6f5ef;
  --sand: #ebe8dc;
  --white: #ffffff;
  --line: rgba(28, 35, 33, 0.12);
  --line-light: rgba(255, 255, 255, 0.16);

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(20, 25, 23, 0.06), 0 2px 8px rgba(20, 25, 23, 0.04);
  --shadow: 0 10px 30px -12px rgba(20, 25, 23, 0.22);
  --shadow-lg: 0 30px 60px -20px rgba(20, 25, 23, 0.35);

  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section: clamp(4.5rem, 10vw, 8rem);
  --header-h: 80px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* 2. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--charcoal-800);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--green-700); text-underline-offset: 3px; }
a:hover { color: var(--green-600); }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
  color: var(--charcoal-900);
  font-variation-settings: "opsz" 96;
}
h1 { font-size: clamp(2.5rem, 6vw, 4.75rem); }
h2 { font-size: clamp(2rem, 4vw, 3.1rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); font-variation-settings: "opsz" 30; }
h4 { font-family: var(--font-body); font-size: 1rem; font-weight: 700; letter-spacing: 0; }
p { margin: 0 0 1.1em; }
em { font-style: italic; }
::selection { background: var(--lime); color: var(--charcoal-900); }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 200;
  background: var(--lime); color: var(--charcoal-900); padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm); font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: 1rem; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* 3. Layout ---------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); }
.section--tight { padding-block: clamp(3rem, 7vw, 5rem); }
.section--white { background: var(--white); }
.section--sand { background: var(--sand); }
.section--dark { background: var(--charcoal-800); color: rgba(255, 255, 255, 0.78); }
.section--green { background: var(--green-800); color: rgba(255, 255, 255, 0.82); }
.section--dark h2, .section--dark h3, .section--green h2, .section--green h3 { color: var(--white); }

.grid { display: grid; gap: clamp(1.25rem, 2.5vw, 2rem); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 6vw, 5.5rem); align-items: center; }
.split--reverse > :first-child { order: 2; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--green-600); margin-bottom: 1.1rem;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.section--dark .eyebrow, .section--green .eyebrow, .hero .eyebrow, .page-hero .eyebrow { color: var(--lime); }
.lead { font-size: clamp(1.125rem, 1.6vw, 1.3rem); line-height: 1.65; color: var(--charcoal-700); }
.section--dark .lead, .section--green .lead { color: rgba(255, 255, 255, 0.82); }
.section-head { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.muted { color: var(--charcoal-500); }

/* 4. Header / Nav ---------------------------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header-h);
  display: flex; align-items: center;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), height 0.35s var(--ease);
}
.site-header.is-solid, .site-header--solid {
  background: rgba(20, 25, 23, 0.92);
  -webkit-backdrop-filter: saturate(140%) blur(14px); backdrop-filter: saturate(140%) blur(14px);
  box-shadow: 0 1px 0 var(--line-light);
}
.site-header.is-solid { height: 68px; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: 0.75rem; color: var(--white); text-decoration: none; }
.brand:hover { color: var(--white); }
.brand__mark { width: 44px; height: 44px; flex: none; padding: 3px; background: var(--white); border-radius: 12px; object-fit: contain; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em; }
.brand__sub { font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.7; margin-top: 3px; }

.nav__menu { display: flex; align-items: center; gap: 0.25rem; list-style: none; margin: 0; padding: 0; }
.nav__link {
  display: block; padding: 0.5rem 0.8rem; border-radius: 999px;
  color: rgba(255, 255, 255, 0.86); text-decoration: none; font-size: 0.92rem; font-weight: 600;
  transition: color 0.2s, background 0.2s;
}
.nav__link:hover { color: var(--white); background: rgba(255, 255, 255, 0.08); }
.nav__link[aria-current="page"] { color: var(--lime); }
.nav__cta { margin-left: 0.75rem; }
.nav__toggle {
  display: none; width: 46px; height: 46px; border: 1px solid var(--line-light); border-radius: 12px;
  background: transparent; color: var(--white); cursor: pointer; padding: 0;
  align-items: center; justify-content: center;
}
.nav__toggle-bars, .nav__toggle-bars::before, .nav__toggle-bars::after {
  display: block; width: 20px; height: 2px; background: currentColor; border-radius: 2px;
  position: relative; transition: transform 0.3s var(--ease), opacity 0.2s;
}
.nav__toggle-bars::before, .nav__toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav__toggle-bars::before { top: -6px; }
.nav__toggle-bars::after { top: 6px; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars { background: transparent; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

/* 5. Hero ------------------------------------------------------------------ */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: flex-end;
  color: var(--white); overflow: hidden; isolation: isolate;
  padding: calc(var(--header-h) + 3rem) 0 clamp(3rem, 7vw, 5.5rem);
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; animation: heroZoom 18s var(--ease) both; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(15, 25, 20, 0.86) 0%, rgba(15, 25, 20, 0.55) 45%, rgba(15, 25, 20, 0.15) 100%),
    linear-gradient(0deg, rgba(15, 25, 20, 0.8) 0%, rgba(15, 25, 20, 0) 45%);
}
.hero__content { max-width: 780px; }
.hero h1 { color: var(--white); margin-bottom: 0.45em; }
.hero h1 em { color: var(--lime); font-style: italic; font-weight: 400; }
.hero__lead { font-size: clamp(1.1rem, 1.7vw, 1.3rem); color: rgba(255, 255, 255, 0.86); max-width: 620px; margin-bottom: 2.25rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.hero__foot {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem;
  margin-top: clamp(3rem, 7vw, 5rem); padding-top: 1.75rem; border-top: 1px solid var(--line-light);
}
.hero__pillar { display: flex; gap: 0.9rem; align-items: flex-start; font-size: 0.95rem; color: rgba(255, 255, 255, 0.8); }
.hero__pillar strong { display: block; color: var(--white); font-size: 1rem; margin-bottom: 0.15rem; }
.hero__pillar svg { width: 26px; height: 26px; flex: none; color: var(--lime); margin-top: 2px; }

.page-hero {
  position: relative; color: var(--white); isolation: isolate; overflow: hidden;
  padding: calc(var(--header-h) + clamp(4rem, 9vw, 7rem)) 0 clamp(3.5rem, 7vw, 5.5rem);
  background: var(--charcoal-800);
}
.page-hero__media { position: absolute; inset: 0; z-index: -2; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, rgba(15, 25, 20, 0.92) 0%, rgba(15, 25, 20, 0.7) 55%, rgba(15, 25, 20, 0.4) 100%);
}
.page-hero h1 { color: var(--white); font-size: clamp(2.4rem, 5.5vw, 4.2rem); max-width: 860px; }
.page-hero p { max-width: 680px; font-size: clamp(1.08rem, 1.5vw, 1.25rem); color: rgba(255, 255, 255, 0.84); margin: 0; }
.breadcrumb { display: flex; gap: 0.5rem; list-style: none; padding: 0; margin: 0 0 1.5rem; font-size: 0.85rem; color: rgba(255, 255, 255, 0.65); }
.breadcrumb a { color: rgba(255, 255, 255, 0.8); text-decoration: none; }
.breadcrumb a:hover { color: var(--lime); }
.breadcrumb li + li::before { content: "/"; margin-right: 0.5rem; opacity: 0.5; }

/* 6. Components ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  min-height: 52px; padding: 0.85rem 1.6rem; border-radius: 999px; border: 1.5px solid transparent;
  font: 700 0.95rem/1 var(--font-body); letter-spacing: 0.01em; text-decoration: none; cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.btn svg { width: 18px; height: 18px; transition: transform 0.25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--lime); color: var(--charcoal-900); }
.btn--primary:hover { background: #c7e36e; color: var(--charcoal-900); box-shadow: 0 10px 24px -10px rgba(183, 214, 90, 0.7); }
.btn--green { background: var(--green-700); color: var(--white); }
.btn--green:hover { background: var(--green-600); color: var(--white); box-shadow: 0 10px 24px -10px rgba(29, 92, 62, 0.7); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.45); color: var(--white); background: rgba(255, 255, 255, 0.04); }
.btn--ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.12); color: var(--white); }
.btn--outline { border-color: var(--charcoal-800); color: var(--charcoal-800); }
.btn--outline:hover { background: var(--charcoal-800); color: var(--white); }
.btn--sm { min-height: 42px; padding: 0.6rem 1.15rem; font-size: 0.88rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }

.link-arrow { display: inline-flex; align-items: center; gap: 0.45rem; font-weight: 700; text-decoration: none; color: var(--green-700); }
.link-arrow svg { width: 16px; height: 16px; transition: transform 0.25s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

.card {
  position: relative; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(1.6rem, 3vw, 2.25rem); box-shadow: var(--shadow-sm);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(29, 92, 62, 0.25); }
.card h3 { margin-bottom: 0.5rem; }
.card p:last-child { margin-bottom: 0; }
.card__icon {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(58, 143, 95, 0.14), rgba(183, 214, 90, 0.2)); color: var(--green-700);
  margin-bottom: 1.4rem;
}
.card__icon svg { width: 26px; height: 26px; }
.card__num { font-family: var(--font-display); font-size: 0.95rem; color: var(--green-600); margin-bottom: 0.9rem; display: block; }
.card--dark { background: var(--charcoal-700); border-color: var(--line-light); color: rgba(255, 255, 255, 0.76); }
.card--dark h3 { color: var(--white); }
.card--dark .card__icon { background: rgba(183, 214, 90, 0.12); color: var(--lime); }
.card--dark:hover { border-color: rgba(183, 214, 90, 0.4); }
.card--link { text-decoration: none; color: inherit; display: flex; flex-direction: column; }
.card--link:hover { color: inherit; }
.card--link .link-arrow { margin-top: auto; padding-top: 1.25rem; }

.media {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3.4; background: var(--charcoal-700);
}
.media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.media:hover img { transform: scale(1.03); }
.media__tag {
  position: absolute; left: 1.25rem; bottom: 1.25rem; right: 1.25rem; max-width: 340px;
  background: rgba(20, 25, 23, 0.82); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  color: var(--white); border-radius: var(--radius); padding: 1rem 1.2rem; font-size: 0.92rem; line-height: 1.5;
}
.media__tag strong { color: var(--lime); display: block; font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 0.25rem; }

.checklist { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 0.85rem; }
.checklist li { position: relative; padding-left: 2.1rem; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 0.3em; width: 1.3rem; height: 1.3rem; border-radius: 50%;
  background: var(--green-700) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b7d65a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 0.8rem no-repeat;
}

.badge {
  display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.3rem 0.75rem; border-radius: 999px;
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; white-space: nowrap;
}
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge--planned { background: rgba(58, 143, 95, 0.12); color: var(--green-700); }
.badge--progress { background: rgba(214, 160, 40, 0.15); color: #8a5d00; }
.badge--complete { background: var(--green-700); color: var(--white); }

.notice {
  display: flex; gap: 1rem; align-items: flex-start; padding: 1.25rem 1.5rem; border-radius: var(--radius);
  background: rgba(183, 214, 90, 0.16); border: 1px solid rgba(29, 92, 62, 0.2); color: var(--charcoal-700);
  font-size: 0.97rem;
}
.notice svg { width: 22px; height: 22px; flex: none; color: var(--green-700); margin-top: 3px; }
.notice p:last-child { margin: 0; }
.section--dark .notice { background: rgba(255, 255, 255, 0.05); border-color: var(--line-light); color: rgba(255, 255, 255, 0.8); }
.section--dark .notice svg { color: var(--lime); }

.cta-band {
  position: relative; overflow: hidden; isolation: isolate; border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 6vw, 4.5rem); background: var(--green-800); color: rgba(255, 255, 255, 0.84);
  display: grid; grid-template-columns: 1.4fr auto; gap: 2rem; align-items: center;
}
.cta-band::after {
  content: ""; position: absolute; z-index: -1; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(183, 214, 90, 0.35), rgba(183, 214, 90, 0) 70%);
}
.cta-band h2 { color: var(--white); font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: 0.4em; }
.cta-band p { margin: 0; max-width: 560px; }
.cta-band .btn-row { margin: 0; justify-content: flex-end; }

/* 7. Page sections --------------------------------------------------------- */
.intro-quote {
  font-family: var(--font-display); font-weight: 400; font-size: clamp(1.6rem, 3.2vw, 2.5rem); line-height: 1.3;
  color: var(--charcoal-900); letter-spacing: -0.01em; max-width: 980px; margin: 0;
}
.intro-quote em { color: var(--green-700); }

.value-chain { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; counter-reset: step; position: relative; }
.value-chain__step { position: relative; padding: 0 1.5rem 0 0; }
.value-chain__dot {
  width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; position: relative; z-index: 1;
  background: var(--charcoal-800); color: var(--lime); border: 6px solid var(--white); box-shadow: 0 0 0 1px var(--line);
  margin-bottom: 1.4rem;
}
.value-chain__dot svg { width: 22px; height: 22px; }
.value-chain__step::before {
  content: ""; position: absolute; top: 28px; left: 56px; right: 0; height: 2px;
  background: repeating-linear-gradient(90deg, var(--green-300) 0 8px, transparent 8px 14px);
}
.value-chain__step:last-child::before { display: none; }
.value-chain__step h3 { font-size: 1.2rem; }
.value-chain__step p { font-size: 0.97rem; color: var(--charcoal-500); margin: 0; }

.mv-card { padding: clamp(2rem, 4vw, 3rem); border-radius: var(--radius-lg); }
.mv-card--mission { background: var(--green-800); color: rgba(255, 255, 255, 0.86); }
.mv-card--vision { background: var(--charcoal-800); color: rgba(255, 255, 255, 0.86); }
.mv-card h2 { color: var(--white); font-size: clamp(1.7rem, 3vw, 2.3rem); }
.mv-card p { font-size: 1.12rem; margin: 0; }

.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.timeline__item {
  display: grid; grid-template-columns: 72px 1fr auto; gap: 1.5rem; align-items: start;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.75rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.timeline__item:hover { border-color: rgba(29, 92, 62, 0.3); box-shadow: var(--shadow); }
.timeline__num {
  font-family: var(--font-display); font-size: 2.2rem; line-height: 1; color: var(--green-600);
  font-variation-settings: "opsz" 96;
}
.timeline__item h3 { margin-bottom: 0.4rem; }
.timeline__item p { margin: 0; color: var(--charcoal-500); }
.timeline__item ul { margin: 0.75rem 0 0; padding-left: 1.1rem; color: var(--charcoal-700); font-size: 0.97rem; }
.timeline__item li + li { margin-top: 0.25rem; }

.status-panel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.status-col { border-radius: var(--radius-lg); padding: clamp(1.75rem, 3.5vw, 2.5rem); border: 1px solid var(--line); background: var(--white); }
.status-col h3 { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.status-col ul { margin: 1rem 0 0; padding: 0; list-style: none; display: grid; gap: 0.75rem; }
.status-col li { padding: 0.9rem 1rem; border-radius: var(--radius-sm); background: var(--cream); font-size: 0.97rem; }
.status-col__empty {
  border: 1.5px dashed var(--charcoal-300); border-radius: var(--radius); padding: 1.5rem; margin-top: 1rem;
  color: var(--charcoal-500); font-size: 0.97rem;
}
.status-col__empty p:last-child { margin: 0; }

.feedstock { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.feedstock__item {
  background: var(--cream); border-radius: var(--radius); padding: 1.4rem 1.25rem; border: 1px solid var(--line);
}
.feedstock__item strong { font-family: var(--font-display); font-weight: 500; font-size: 1.15rem; display: block; color: var(--charcoal-900); margin-bottom: 0.3rem; }
.feedstock__item span { font-size: 0.9rem; color: var(--charcoal-500); }

.process { counter-reset: proc; display: grid; gap: 0; }
.process__step {
  display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr); gap: clamp(1.5rem, 5vw, 4rem);
  padding-block: clamp(2rem, 4vw, 3rem); border-top: 1px solid var(--line);
}
.process__step:last-child { border-bottom: 1px solid var(--line); }
.process__head { display: flex; gap: 1.25rem; align-items: flex-start; }
.process__head .card__icon { margin: 0; flex: none; }
.process__label { font-size: 0.78rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--green-600); display: block; margin-bottom: 0.35rem; }
.process__head h3 { margin: 0; font-size: clamp(1.35rem, 2.3vw, 1.75rem); }
.process__body p { color: var(--charcoal-700); }
.process__body ul { margin: 0; padding-left: 1.15rem; display: grid; gap: 0.35rem; color: var(--charcoal-700); }

.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line-light); border-radius: var(--radius-lg); overflow: hidden; }
.principle { background: var(--charcoal-800); padding: clamp(1.75rem, 3vw, 2.4rem); }
.principle h3 { font-size: 1.2rem; color: var(--white); }
.principle p { margin: 0; font-size: 0.97rem; }

.audience { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }

.contact-layout { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.25fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.contact-info { display: grid; gap: 1rem; }
.contact-item {
  display: flex; gap: 1rem; align-items: flex-start; padding: 1.25rem 1.4rem; border-radius: var(--radius);
  background: var(--white); border: 1px solid var(--line);
}
.contact-item .card__icon { width: 46px; height: 46px; border-radius: 12px; margin: 0; flex: none; }
.contact-item .card__icon svg { width: 22px; height: 22px; }
.contact-item__label { font-size: 0.75rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--charcoal-500); display: block; }
.contact-item__value { font-weight: 600; color: var(--charcoal-900); word-break: break-word; }
.contact-item__value a { color: var(--charcoal-900); text-decoration: none; }
.contact-item__value a:hover { color: var(--green-700); text-decoration: underline; }
.placeholder { color: var(--charcoal-500); font-style: italic; font-weight: 500; }

/* 8. Forms ----------------------------------------------------------------- */
.form-card { background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--line); padding: clamp(1.75rem, 4vw, 3rem); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.field { display: flex; flex-direction: column; gap: 0.45rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 0.9rem; font-weight: 700; color: var(--charcoal-800); }
.field .req { color: var(--green-600); }
.field .opt { font-weight: 500; color: var(--charcoal-500); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--charcoal-900); background: var(--cream);
  border: 1.5px solid transparent; border-radius: 12px; padding: 0.85rem 1rem; min-height: 52px;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.field textarea { min-height: 160px; resize: vertical; line-height: 1.6; }
.field select {
  appearance: none; -webkit-appearance: none; padding-right: 2.75rem;
  background: var(--cream) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231c2321' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") right 1rem center / 18px no-repeat;
}
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--charcoal-300); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--green-600); background-color: var(--white); box-shadow: 0 0 0 4px rgba(58, 143, 95, 0.15);
}
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #b3261e; background-color: #fff7f6; }
.field__error { font-size: 0.85rem; color: #b3261e; font-weight: 600; min-height: 0; }
.field__error:empty { display: none; }
.consent { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.92rem; color: var(--charcoal-700); }
.consent input { width: 20px; height: 20px; min-height: 0; margin-top: 3px; accent-color: var(--green-700); flex: none; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1.75rem; }
.form-footer small { color: var(--charcoal-500); max-width: 340px; }
.form-status { margin-top: 1.25rem; padding: 1rem 1.25rem; border-radius: 12px; font-weight: 600; font-size: 0.97rem; }
.form-status:empty { display: none; }
.form-status--success { background: rgba(58, 143, 95, 0.12); color: var(--green-800); border: 1px solid rgba(58, 143, 95, 0.3); }
.form-status--error { background: #fff1f0; color: #8c1d18; border: 1px solid rgba(179, 38, 30, 0.25); }
.btn[disabled] { opacity: 0.65; cursor: progress; }

/* 9. Footer ---------------------------------------------------------------- */
.site-footer { background: var(--charcoal-900); color: rgba(255, 255, 255, 0.66); padding: clamp(4rem, 8vw, 6rem) 0 2rem; font-size: 0.95rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: clamp(2rem, 4vw, 3.5rem); }
.site-footer h2 { font-family: var(--font-body); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; color: var(--white); margin-bottom: 1.25rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.site-footer a { color: rgba(255, 255, 255, 0.72); text-decoration: none; }
.site-footer a:hover { color: var(--lime); }
.footer-logo { display: inline-block; padding: 0.75rem 1rem; background: var(--white); border-radius: 14px; line-height: 0; }
.footer-logo img { width: 240px; height: auto; }
.footer-about p { margin: 1.25rem 0 0; max-width: 360px; }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  margin-top: clamp(3rem, 6vw, 4.5rem); padding-top: 1.75rem; border-top: 1px solid rgba(255, 255, 255, 0.1); font-size: 0.85rem;
}
.footer-bottom p { margin: 0; }

/* 10. Motion --------------------------------------------------------------- */
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.hero__content > * { animation: fadeUp 1s var(--ease) both; }
.hero__content > :nth-child(2) { animation-delay: 0.1s; }
.hero__content > :nth-child(3) { animation-delay: 0.2s; }
.hero__content > :nth-child(4) { animation-delay: 0.3s; }
.hero__foot { animation: fadeUp 1s 0.45s var(--ease) both; }

.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
.js .reveal-stagger > * { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js .reveal-stagger.is-visible > * { opacity: 1; transform: none; }
.js .reveal-stagger.is-visible > :nth-child(2) { transition-delay: 0.08s; }
.js .reveal-stagger.is-visible > :nth-child(3) { transition-delay: 0.16s; }
.js .reveal-stagger.is-visible > :nth-child(4) { transition-delay: 0.24s; }
.js .reveal-stagger.is-visible > :nth-child(5) { transition-delay: 0.32s; }
.js .reveal-stagger.is-visible > :nth-child(6) { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .js .reveal, .js .reveal-stagger > * { opacity: 1; transform: none; }
}

/* 11. Responsive ----------------------------------------------------------- */
@media (max-width: 1100px) {
  .nav__link { padding: 0.5rem 0.6rem; font-size: 0.88rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4, .feedstock { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .value-chain { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 2.5rem; }
  .value-chain__step:nth-child(2)::before { display: none; }
}
@media (max-width: 960px) {
  :root { --header-h: 72px; }
  .nav__toggle { display: inline-flex; }
  .nav__panel {
    position: fixed; inset: var(--header-h) 0 auto 0; max-height: calc(100vh - var(--header-h));
    overflow-y: auto; background: var(--charcoal-900); border-top: 1px solid var(--line-light);
    padding: 1.25rem var(--gutter) 2rem; transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
  }
  .site-header.is-solid .nav__panel { top: 68px; }
  .nav__panel.is-open { opacity: 1; transform: none; visibility: visible; }
  .nav__menu { flex-direction: column; align-items: stretch; gap: 0.25rem; }
  .nav__link { padding: 0.95rem 1rem; font-size: 1.05rem; border-radius: 12px; }
  .nav__cta { margin: 1rem 0 0; }
  .nav__cta .btn { width: 100%; }
  body.nav-open { overflow: hidden; }
  .split, .contact-layout { grid-template-columns: 1fr; }
  .split--reverse > :first-child { order: 0; }
  .grid-3, .principles { grid-template-columns: 1fr 1fr; }
  .cta-band { grid-template-columns: 1fr; }
  .cta-band .btn-row { justify-content: flex-start; }
  .process__step { grid-template-columns: 1fr; gap: 1.25rem; }
  .status-panel { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  body { font-size: 1rem; }
  .grid-2, .grid-3, .grid-4, .principles, .feedstock, .form-grid { grid-template-columns: 1fr; }
  .hero__foot { grid-template-columns: 1fr; gap: 1rem; }
  .hero__actions .btn { flex: 1 1 100%; }
  .value-chain { grid-template-columns: 1fr; }
  .value-chain__step { padding: 0 0 0 4.75rem; min-height: 56px; }
  .value-chain__dot { position: absolute; left: 0; top: 0; margin: 0; }
  .value-chain__step::before { display: block !important; top: 56px; bottom: -2.5rem; left: 27px; right: auto; width: 2px; height: auto;
    background: repeating-linear-gradient(180deg, var(--green-300) 0 8px, transparent 8px 14px); }
  .value-chain__step:last-child::before { display: none !important; }
  .timeline__item { grid-template-columns: 1fr; gap: 0.75rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .brand__sub { display: none; }
  .media { aspect-ratio: 4 / 3.2; }
}

/* Utilities ---------------------------------------------------------------- */
.notice--spaced { margin-top: 2.5rem; }
.section--simple { padding-top: calc(var(--header-h) + clamp(4rem, 10vw, 7rem)); min-height: 70vh; }
.btn-row--center { justify-content: center; }
