/* ==========================================================================
   BiogasUSA — Stylesheet
   Design system: "Field & Flame" — organic-industrial, asymmetric grid
   Built on Open Props (https://open-props.style) custom properties.
   ========================================================================== */

@import url("https://cdn.jsdelivr.net/npm/open-props@1.7.6/open-props.min.css");
@import url("https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500&family=Manrope:wght@400;500;600;700;800&display=swap");

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Palette — 60/30/10 rule
     60% neutral base | 30% deep bio-green | 10% amber-flame accent */
  --color-bg: #f6f2e7;
  --color-bg-alt: #eee6d3;
  --color-surface: #ffffff;
  --color-ink: #16281f;
  --color-ink-soft: #3c5245;
  --color-ink-faint: #6b7d70;

  --color-primary: #1e3d2f;
  --color-primary-dark: #0f241b;
  --color-primary-light: #4a7c59;
  --color-primary-tint: #e4ede6;

  --color-accent: #e8a23b;
  --color-accent-dark: #c17f1f;
  --color-accent-soft: #f4c876;
  --color-accent-tint: #fbead0;

  --color-terracotta: #c1613b;
  --color-border: rgba(30, 61, 47, 0.14);
  --color-border-strong: rgba(30, 61, 47, 0.28);

  --font-display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --shadow-soft: 0 1px 2px rgba(15, 36, 27, 0.06), 0 12px 32px -16px rgba(15, 36, 27, 0.18);
  --shadow-lift: 0 20px 48px -20px rgba(15, 36, 27, 0.32);

  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: light;
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, picture, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-primary-dark);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw + 1rem, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 2.6vw + 1rem, 2.9rem); }
h3 { font-size: clamp(1.3rem, 1.2vw + 1rem, 1.6rem); }
h4 { font-size: 1.1rem; }

p { color: var(--color-ink-soft); }
p + p { margin-top: 1em; }

@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; }
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  padding: 0.75em 1.25em;
  z-index: 10000;
  font-weight: 700;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* --------------------------------------------------------------------------
   3. Layout helpers
   -------------------------------------------------------------------------- */
.wrap {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.section { padding-block: clamp(3.5rem, 8vw, 7rem); }
.section-alt { background: var(--color-bg-alt); }
.section-dark {
  background: radial-gradient(120% 140% at 85% 0%, #24493a 0%, var(--color-primary) 42%, var(--color-primary-dark) 100%);
  color: #f2ede0;
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: rgba(242, 237, 224, 0.78); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 1rem;
}
.section-dark .eyebrow { color: var(--color-accent-soft); }
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: var(--radius-pill);
}

.section-head {
  max-width: 62ch;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.section-head.center { margin-inline: auto; text-align: center; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 0.9em 1.7em;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: transform 180ms var(--ease-out), box-shadow 180ms var(--ease-out), background 180ms var(--ease-out), color 180ms var(--ease-out);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  box-shadow: 0 14px 28px -12px rgba(232, 162, 59, 0.55);
}
.btn-primary:hover { background: var(--color-accent-dark); color: #fff; }

.btn-outline {
  background: transparent;
  color: inherit;
  border-color: currentColor;
}
.btn-outline:hover { background: rgba(255,255,255,0.08); }

.btn-ghost-dark {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-primary-dark);
}
.btn-ghost-dark:hover { background: var(--color-primary-tint); border-color: var(--color-primary); }

.btn-block { width: 100%; }

/* --------------------------------------------------------------------------
   5. Domain-for-sale banner
   -------------------------------------------------------------------------- */
.domain-sale-banner {
  position: relative;
  z-index: 9999;
  width: 100%;
  color: #fff7ea;
  background:
    radial-gradient(circle at 15% 50%, rgba(232, 162, 59, 0.38), transparent 38%),
    linear-gradient(100deg, #0f241b 0%, #1a3327 55%, #2e2011 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
  font-family: var(--font-body);
}

.domain-sale-banner__content {
  width: min(1180px, calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  padding: 12px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.domain-sale-banner__text { display: grid; gap: 4px; line-height: 1.35; }
.domain-sale-banner__text strong {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.2rem);
  letter-spacing: -0.01em;
  font-weight: 600;
}
.domain-sale-banner__text span { color: rgba(255, 247, 234, 0.72); font-size: 0.92rem; }

.domain-sale-banner__button {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 22px;
  color: #17130a;
  background: var(--color-accent);
  border: 1px solid var(--color-accent-soft);
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(232, 162, 59, 0.32);
  font-size: 0.94rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}
.domain-sale-banner__button:hover, .domain-sale-banner__button:focus-visible {
  background: var(--color-accent-dark);
  color: #fff;
  box-shadow: 0 10px 26px rgba(232, 162, 59, 0.42);
  transform: translateY(-2px);
  outline: none;
}

@media (max-width: 680px) {
  .domain-sale-banner__content {
    min-height: auto;
    padding: 14px 0;
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }
  .domain-sale-banner__button { width: 100%; }
}

/* --------------------------------------------------------------------------
   6. Site header / navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(246, 242, 231, 0.88);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary-dark);
}
.brand__mark { width: 40px; height: 40px; flex-shrink: 0; }
.brand__mark svg { width: 100%; height: 100%; }
.brand__accent { color: var(--color-accent-dark); }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2vw, 2.2rem);
  font-weight: 600;
  font-size: 0.96rem;
}
.nav-links a {
  position: relative;
  padding-block: 0.3rem;
  color: var(--color-ink-soft);
  transition: color 160ms ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-pill);
  transition: right 220ms var(--ease-out);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--color-primary-dark); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { right: 0; }

.nav-cta { display: flex; align-items: center; gap: 0.9rem; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--color-border-strong);
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed;
    inset: 0 0 0 auto;
    height: 100vh;
    width: min(78vw, 340px);
    background: var(--color-primary-dark);
    color: #f2ede0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.6rem;
    padding: 2rem clamp(1.5rem, 6vw, 2.5rem);
    transform: translateX(100%);
    transition: transform 320ms var(--ease-out);
    font-size: 1.15rem;
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-links a { color: rgba(242, 237, 224, 0.85); }
  .nav-links a:hover, .nav-links a[aria-current="page"] { color: #fff; }
  .nav-cta { display: none; }
  body.nav-open { overflow: hidden; }
}

.nav-scrim {
  position: fixed;
  inset: 0;
  background: rgba(15, 36, 27, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease;
  z-index: 490;
}
.nav-scrim.is-visible { opacity: 1; pointer-events: auto; }

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-primary-dark);
  color: #f6f2e7;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url("../images/hero-banner.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.9;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(15, 36, 27, 0.92) 0%, rgba(15, 36, 27, 0.72) 42%, rgba(15, 36, 27, 0.35) 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-block: clamp(3.5rem, 9vw, 7.5rem);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  background: rgba(232, 162, 59, 0.14);
  border: 1px solid rgba(232, 162, 59, 0.4);
  color: var(--color-accent-soft);
  padding: 0.5em 1em;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 1.4rem;
}

.hero h1 { color: #fff; margin-bottom: 1.2rem; }
.hero h1 em {
  font-style: italic;
  color: var(--color-accent-soft);
}

.hero__lede {
  font-size: clamp(1.05rem, 1vw + 0.9rem, 1.25rem);
  color: rgba(246, 242, 231, 0.82);
  max-width: 46ch;
  margin-bottom: 2.2rem;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.6rem; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: clamp(1.2rem, 3vw, 2.4rem);
}
.hero__stats dt {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2vw, 2.1rem);
  color: var(--color-accent-soft);
  font-weight: 700;
}
.hero__stats dd {
  font-size: 0.82rem;
  color: rgba(246, 242, 231, 0.68);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.2rem;
}

.hero__panel {
  position: relative;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  padding: clamp(1.6rem, 3vw, 2.2rem);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lift);
}
.hero__panel h3 { color: #fff; margin-bottom: 0.9rem; }
.hero__panel-list { display: grid; gap: 0.9rem; }
.hero__panel-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.94rem;
  color: rgba(246, 242, 231, 0.85);
}
.hero__panel-list svg { flex-shrink: 0; width: 22px; height: 22px; color: var(--color-accent-soft); margin-top: 2px; }

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   8. Marquee / trust strip
   -------------------------------------------------------------------------- */
.trust-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  padding-block: 1.4rem;
}
.trust-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  justify-content: space-between;
}
.trust-strip__label {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  flex-shrink: 0;
}
.trust-strip__items {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.4rem, 3vw, 2.6rem);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-ink-soft);
  font-size: 1.02rem;
}

/* --------------------------------------------------------------------------
   9. Feature / process grids
   -------------------------------------------------------------------------- */
.grid-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.2rem, 2.5vw, 1.8rem);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(1.6rem, 2.5vw, 2.2rem);
  box-shadow: var(--shadow-soft);
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }

.feature-card__icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--color-primary-tint);
  color: var(--color-primary);
  margin-bottom: 1.2rem;
}
.feature-card__icon svg { width: 28px; height: 28px; }

.feature-card h3 { margin-bottom: 0.6rem; }
.feature-card p { font-size: 0.95rem; }

.grid-features--offset .feature-card:nth-child(2) { transform: translateY(1.6rem); }
.grid-features--offset .feature-card:nth-child(2):hover { transform: translateY(1.2rem); }

@media (max-width: 900px) {
  .grid-features { grid-template-columns: 1fr 1fr; }
  .grid-features--offset .feature-card:nth-child(2) { transform: none; }
}
@media (max-width: 600px) {
  .grid-features { grid-template-columns: 1fr; }
}

/* Process steps (numbered, connected) */
.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  counter-reset: step;
  position: relative;
}
.process::before {
  content: "";
  position: absolute;
  top: 28px; left: 6%; right: 6%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--color-accent) 0 10px, transparent 10px 20px);
  opacity: 0.6;
}
.process-step { position: relative; }
.process-step__num {
  counter-increment: step;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--color-primary-dark);
  color: var(--color-accent-soft);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 1.2rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--color-bg);
}
.process-step__num::before { content: counter(step); }
.process-step h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }
.process-step p { font-size: 0.92rem; }

@media (max-width: 900px) {
  .process { grid-template-columns: 1fr 1fr; }
  .process::before { display: none; }
}
@media (max-width: 560px) {
  .process { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   10. Split / content sections
   -------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.split--reverse .split__media { order: 2; }

.split__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-primary);
}
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.split__media-badge {
  position: absolute;
  bottom: 1.2rem; left: 1.2rem;
  background: rgba(15, 36, 27, 0.82);
  color: #fff;
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.split__media-badge strong { font-family: var(--font-display); font-size: 1.3rem; display: block; }
.split__media-badge span { font-size: 0.76rem; color: rgba(255,255,255,0.7); text-transform: uppercase; letter-spacing: 0.05em; }

.split__list { display: grid; gap: 1rem; margin-top: 1.6rem; }
.split__list li {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  font-size: 0.96rem;
  color: var(--color-ink-soft);
}
.split__list svg { flex-shrink: 0; width: 22px; height: 22px; color: var(--color-accent-dark); margin-top: 2px; }

@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
}

/* --------------------------------------------------------------------------
   11. Stats band
   -------------------------------------------------------------------------- */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  text-align: center;
}
.stats-band dt {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--color-accent-soft);
}
.stats-band dd {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(242, 237, 224, 0.7);
  margin-top: 0.4rem;
}
@media (max-width: 700px) { .stats-band { grid-template-columns: 1fr 1fr; } }

/* --------------------------------------------------------------------------
   12. Testimonial / quote
   -------------------------------------------------------------------------- */
.quote-block {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3.2rem);
  box-shadow: var(--shadow-soft);
}
.quote-block svg.quote-mark { width: 44px; height: 44px; color: var(--color-accent); margin-bottom: 1rem; }
.quote-block blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.6vw + 0.8rem, 1.6rem);
  color: var(--color-primary-dark);
  font-weight: 500;
  line-height: 1.4;
}
.quote-block cite {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1.6rem;
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-ink-faint);
}
.quote-block cite strong { color: var(--color-ink); font-weight: 700; }
.quote-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--color-primary-tint);
  display: grid; place-items: center;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   13. FAQ
   -------------------------------------------------------------------------- */
.faq-list { display: grid; gap: 0.9rem; max-width: 820px; margin-inline: auto; }
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  cursor: pointer;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--color-primary-dark);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chev {
  flex-shrink: 0;
  width: 22px; height: 22px;
  color: var(--color-accent-dark);
  transition: transform 220ms var(--ease-out);
}
.faq-item[open] summary .chev { transform: rotate(180deg); }
.faq-item__body { padding: 0 1.5rem 1.4rem; font-size: 0.95rem; color: var(--color-ink-soft); }

/* --------------------------------------------------------------------------
   14. CTA band
   -------------------------------------------------------------------------- */
.cta-band {
  border-radius: var(--radius-lg);
  padding: clamp(2.2rem, 5vw, 3.6rem);
  background:
    radial-gradient(120% 160% at 90% 10%, rgba(232, 162, 59, 0.28), transparent 55%),
    linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2rem;
}
.cta-band h2 { color: #fff; margin-bottom: 0.6rem; }
.cta-band p { color: rgba(255,255,255,0.78); max-width: 52ch; }
.cta-band__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
@media (max-width: 760px) { .cta-band { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(246, 242, 231, 0.75);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(246, 242, 231, 0.14);
}
.footer-brand .brand { color: #fff; }
.footer-brand p { margin-top: 1rem; max-width: 34ch; font-size: 0.92rem; color: rgba(246, 242, 231, 0.62); }
.footer-social { display: flex; gap: 0.7rem; margin-top: 1.4rem; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(246, 242, 231, 0.22);
  display: grid; place-items: center;
  transition: background 160ms ease, border-color 160ms ease;
}
.footer-social a:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-primary-dark); }
.footer-social svg { width: 17px; height: 17px; }

.footer-col h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1.1rem; }
.footer-col ul { display: grid; gap: 0.7rem; font-size: 0.92rem; }
.footer-col a { transition: color 160ms ease; }
.footer-col a:hover { color: var(--color-accent-soft); }

.footer-bottom {
  padding-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(246, 242, 231, 0.55);
}
.footer-bottom a:hover { color: var(--color-accent-soft); }
.footer-legal { display: flex; gap: 1.4rem; flex-wrap: wrap; }

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   16. Page hero (interior pages)
   -------------------------------------------------------------------------- */
.page-hero {
  background: var(--color-primary-dark);
  color: #f6f2e7;
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 7vw, 5.5rem);
}
.page-hero::after {
  content: "";
  position: absolute;
  top: -20%; right: -10%;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(232, 162, 59, 0.24), transparent 70%);
}
.page-hero .wrap { position: relative; z-index: 1; }
.breadcrumbs { display: flex; gap: 0.5rem; align-items: center; font-size: 0.85rem; color: rgba(246, 242, 231, 0.6); margin-bottom: 1.2rem; }
.breadcrumbs a { color: rgba(246, 242, 231, 0.85); }
.breadcrumbs a:hover { color: var(--color-accent-soft); }
.page-hero h1 { color: #fff; max-width: 20ch; }
.page-hero p { color: rgba(246, 242, 231, 0.78); max-width: 60ch; margin-top: 1rem; font-size: 1.08rem; }

/* --------------------------------------------------------------------------
   17. About page specifics
   -------------------------------------------------------------------------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}
.value-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  background: var(--color-surface);
}
.value-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.6rem; }
.value-card h3 svg { width: 24px; height: 24px; color: var(--color-accent-dark); }
.value-card p { font-size: 0.93rem; }
@media (max-width: 600px) { .values-grid { grid-template-columns: 1fr; } }

.timeline { display: grid; gap: 0; }
.timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1.6rem;
  padding-block: 1.4rem;
  border-top: 1px solid var(--color-border);
}
.timeline-item:first-child { border-top: none; }
.timeline-item__year { font-family: var(--font-display); font-weight: 700; color: var(--color-accent-dark); font-size: 1.15rem; }
.timeline-item h4 { margin-bottom: 0.3rem; }
.timeline-item p { font-size: 0.93rem; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}
.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  text-align: center;
}
.team-card__avatar {
  width: 84px; height: 84px;
  border-radius: 50%;
  margin-inline: auto 1rem;
  margin-bottom: 1.1rem;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
}
.team-card h4 { margin-bottom: 0.2rem; }
.team-card span { font-size: 0.82rem; color: var(--color-accent-dark); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.team-card p { font-size: 0.88rem; margin-top: 0.7rem; }
@media (max-width: 760px) { .team-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .team-grid { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   18. Contact page
   -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: flex-start;
}

.contact-info-card {
  background: var(--color-primary-dark);
  color: #f6f2e7;
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 3vw, 2.6rem);
}
.contact-info-card h3 { color: #fff; margin-bottom: 0.4rem; }
.contact-info-card > p { color: rgba(246, 242, 231, 0.72); font-size: 0.94rem; margin-bottom: 1.8rem; }
.contact-detail { display: flex; gap: 1rem; align-items: flex-start; padding-block: 1rem; border-top: 1px solid rgba(246, 242, 231, 0.14); }
.contact-detail:first-of-type { border-top: none; }
.contact-detail svg { width: 22px; height: 22px; color: var(--color-accent-soft); flex-shrink: 0; margin-top: 2px; }
.contact-detail strong { display: block; color: #fff; font-size: 0.92rem; }
.contact-detail span, .contact-detail a { font-size: 0.9rem; color: rgba(246, 242, 231, 0.72); }
.contact-detail a:hover { color: var(--color-accent-soft); }

.contact-form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 3vw, 2.6rem);
  box-shadow: var(--shadow-soft);
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form-field { display: grid; gap: 0.5rem; margin-bottom: 1.2rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.86rem; font-weight: 700; color: var(--color-primary-dark); }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.85em 1em;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  font-size: 0.96rem;
  color: var(--color-ink);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(232, 162, 59, 0.18);
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.8rem; color: var(--color-ink-faint); margin-top: 1rem; }
.form-success {
  display: none;
  align-items: center;
  gap: 0.8rem;
  background: var(--color-primary-tint);
  border: 1px solid var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.4rem;
  font-size: 0.92rem;
  font-weight: 600;
}
.form-success.is-visible { display: flex; }
.form-success svg { width: 22px; height: 22px; flex-shrink: 0; color: var(--color-primary); }

@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   19. 404 page
   -------------------------------------------------------------------------- */
.error-page {
  min-height: calc(100vh - 76px);
  display: grid;
  place-items: center;
  background: var(--color-primary-dark);
  color: #f6f2e7;
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: clamp(2.5rem, 8vw, 5rem) var(--gutter);
}
.error-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(38% 46% at 20% 20%, rgba(232, 162, 59, 0.22), transparent 70%),
    radial-gradient(46% 50% at 85% 80%, rgba(74, 124, 89, 0.35), transparent 70%);
}
.error-page__inner { position: relative; z-index: 1; max-width: 640px; }
.error-page__code {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(5rem, 16vw, 9rem);
  line-height: 1;
  color: var(--color-accent-soft);
  letter-spacing: -0.02em;
}
.error-page__bubbles { display: flex; justify-content: center; gap: 0.6rem; margin-bottom: 1rem; }
.error-page__bubbles span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--color-accent);
  animation: float 2.4s ease-in-out infinite;
}
.error-page__bubbles span:nth-child(2) { animation-delay: 0.2s; background: var(--color-accent-soft); }
.error-page__bubbles span:nth-child(3) { animation-delay: 0.4s; }
@keyframes float { 0%, 100% { transform: translateY(0); opacity: 0.6; } 50% { transform: translateY(-10px); opacity: 1; } }

.error-page h1 { color: #fff; margin-block: 0.4rem 1rem; }
.error-page p { color: rgba(246, 242, 231, 0.78); margin-bottom: 2.2rem; }
.error-page__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 2.4rem; }
.error-page__links { display: flex; gap: 1.4rem; justify-content: center; flex-wrap: wrap; font-size: 0.92rem; }
.error-page__links a { color: rgba(246, 242, 231, 0.7); border-bottom: 1px solid transparent; }
.error-page__links a:hover { color: var(--color-accent-soft); border-color: currentColor; }

/* --------------------------------------------------------------------------
   20. Misc utilities
   -------------------------------------------------------------------------- */
.text-accent { color: var(--color-accent-dark); }
.mt-0 { margin-top: 0 !important; }

::selection { background: var(--color-accent-soft); color: var(--color-primary-dark); }

/* Responsive: large hero grid collapse for tablets already handled above.
   Ultra-wide comfort cap */
@media (min-width: 1600px) {
  :root { --container: 1320px; }
}