:root {
  --ink: #111827;
  --muted: #596878;
  --paper: #f6f8f5;
  --white: #ffffff;
  --line: #cdd8d1;
  --green: #0b6b4b;
  --green-deep: #083d2d;
  --green-soft: #dfece5;
  --blue: #2450d8;
  --amber: #d19313;
  --red: #b74237;
  --shadow: 0 16px 45px rgba(5, 28, 21, 0.16);
  --shell: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: 0;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 12px max(24px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transition: background-color 180ms ease, box-shadow 180ms ease;
}
.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 6px 24px rgba(9, 35, 28, 0.12);
}
.brand {
  display: block;
  width: 210px;
  padding: 5px 9px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 4px;
}
.brand img { width: 100%; }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a {
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}
.site-header.is-scrolled .site-nav a,
.site-header.is-open .site-nav a { color: var(--ink); }
.site-nav .nav-cta {
  padding: 10px 16px;
  color: var(--white);
  background: var(--green);
  border: 1px solid var(--green);
  border-radius: 4px;
}
.site-header.is-scrolled .site-nav .nav-cta,
.site-header.is-open .site-nav .nav-cta { color: var(--white); }
.menu-toggle { display: none; }

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 86svh;
  color: var(--white);
  background: url("assets/drone-soja-hero.png") center center / cover no-repeat;
  overflow: hidden;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: rgba(4, 28, 20, 0.58);
}
.hero-content {
  position: relative;
  z-index: 1;
  width: var(--shell);
  padding-top: 70px;
}
.eyebrow,
.section-index {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
.eyebrow { color: #c4f3dc; }
.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(56px, 8.8vw, 126px);
  line-height: 0.9;
  letter-spacing: 0;
}
.hero-line {
  margin: 28px 0 14px;
  font-size: clamp(24px, 3vw, 42px);
  font-weight: 700;
  line-height: 1.1;
}
.hero-copy { max-width: 680px; margin: 0; font-size: 19px; color: #edf7f1; }
.hero-actions, .pilot-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--green-deep); background: #c9f4de; }
.button-quiet { color: var(--white); border-color: rgba(255, 255, 255, 0.72); background: rgba(8, 61, 45, 0.38); }
.button-light { color: var(--green-deep); background: var(--white); }
.button-dark { color: var(--white); background: var(--ink); }
.hero-next {
  position: absolute;
  right: max(24px, calc((100vw - 1180px) / 2));
  bottom: 24px;
  z-index: 1;
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
}

.section-shell { width: var(--shell); margin-inline: auto; }
.intro-band, .dossier-section, .process-section, .trust-section, .purpose-section, .faq-section, .closing-section { padding: 108px 0; }
.intro-band { background: var(--white); }
.intro-grid, .dossier-grid, .trust-grid, .faq-grid, .pilot-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 9vw;
  align-items: start;
}
.section-heading h2,
.process-header h2,
.pilot-section h2,
.closing-section h2 {
  margin: 0;
  font-size: clamp(36px, 5.2vw, 70px);
  line-height: 1.02;
  letter-spacing: 0;
}
.section-heading > p:not(.section-index) { margin: 26px 0 0; color: var(--muted); }
.intro-copy .lead { margin-top: 0; color: var(--green-deep); font-size: 26px; line-height: 1.25; }
.intro-copy p { color: var(--muted); }
.intro-copy .statement { margin: 30px 0 0; padding-top: 24px; border-top: 1px solid var(--line); color: var(--ink); font-weight: 750; }
.wide-visual { width: min(1500px, calc(100% - 48px)); margin: 72px auto 0; }
.wide-visual img { width: 100%; border: 1px solid var(--line); box-shadow: var(--shadow); }

.dossier-section { background: #e9f0ec; }
.capability-list { margin: 0; border-top: 1px solid #aebfb5; }
.capability-list div { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid #aebfb5; }
.capability-list dt { color: var(--green); font-weight: 800; }
.capability-list dd { margin: 0; }
.product-visual { width: min(1380px, calc(100% - 48px)); margin: 78px auto 0; }
.product-visual img { width: 100%; box-shadow: var(--shadow); }
.product-visual figcaption { margin-top: 12px; color: var(--muted); font-size: 13px; text-align: right; }

.process-section { color: var(--white); background: #111827; }
.process-header { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 8vw; align-items: end; }
.process-header > p { margin: 0 0 8px; color: #cbd5e1; }
.process-list { margin: 76px 0 0; padding: 0; list-style: none; border-top: 1px solid #445063; }
.process-list li { display: grid; grid-template-columns: 110px 190px 1fr; gap: 22px; align-items: baseline; padding: 26px 0; border-bottom: 1px solid #445063; }
.process-list li > span { color: #84d9b2; font-size: 14px; font-weight: 800; }
.process-list li div { display: contents; }
.process-list h3 { margin: 0; font-size: 26px; }
.process-list p { margin: 0; color: #cbd5e1; }

.trust-section { background: var(--white); }
.trust-copy > p { margin-top: 0; color: var(--muted); font-size: 20px; }
.status-line { display: grid; grid-template-columns: 12px 1fr; gap: 14px; margin: 32px 0; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.status-line p { margin: 0; }
.status-dot { width: 10px; height: 10px; margin-top: 8px; background: var(--amber); border-radius: 50%; }
.text-link { color: var(--green); font-weight: 800; text-underline-offset: 5px; }

.purpose-section { background: #dce8ff; }
.purpose-intro { max-width: 980px; }
.purpose-intro h2 { margin: 0; font-size: clamp(36px, 5.2vw, 70px); line-height: 1.02; }
.purpose-statements { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 74px; border-top: 1px solid #9caecc; border-bottom: 1px solid #9caecc; }
.purpose-statements article { padding: 34px 40px 34px 0; }
.purpose-statements article + article { padding-left: 40px; border-left: 1px solid #9caecc; }
.purpose-statements article p:last-child { margin: 0; font-size: 21px; line-height: 1.45; }
.purpose-label { margin: 0 0 18px; color: var(--blue); font-size: 13px; font-weight: 800; text-transform: uppercase; }
.values-block { margin-top: 42px; }
.values-block dl { margin: 0; border-top: 1px solid #9caecc; }
.values-block dl div { display: grid; grid-template-columns: minmax(180px, 0.36fr) 1fr; gap: 28px; padding: 16px 0; border-bottom: 1px solid #9caecc; }
.values-block dt { color: #183d9c; font-weight: 800; }
.values-block dd { margin: 0; color: #34445d; }

.pilot-section { padding: 106px 0; color: var(--white); background: var(--green-deep); }
.pilot-details > p { margin-top: 0; color: #dcebe4; font-size: 20px; }
.pilot-details ul { margin: 28px 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(255, 255, 255, 0.24); }
.pilot-details li { padding: 13px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.24); }
.pilot-contact { color: #d8f5e6; font-weight: 750; }

.faq-section { background: var(--paper); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 22px 44px 22px 0; cursor: pointer; font-weight: 800; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 8px; top: 18px; color: var(--green); font-size: 26px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { margin: -4px 44px 22px 0; color: var(--muted); }

.closing-section { background: #dce8ff; }
.closing-content { max-width: 980px; }
.closing-section .section-index { color: var(--blue); }
.closing-section p:not(.section-index) { max-width: 650px; margin: 24px 0 0; color: #3e4a5b; font-size: 20px; }
.closing-section .button { margin-top: 28px; }

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  padding: 44px max(24px, calc((100vw - 1180px) / 2));
  color: #cbd5e1;
  background: var(--ink);
  font-size: 14px;
}
.site-footer > div:first-child { display: flex; flex-direction: column; }
.site-footer strong { color: var(--white); font-size: 20px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 22px; }
.footer-links a { color: var(--white); text-decoration: none; }
.site-footer > p { grid-column: 1 / -1; margin: 18px 0 0; padding-top: 18px; border-top: 1px solid #374151; }

.reveal { opacity: 1; transform: none; }

@media (max-width: 900px) {
  :root { --shell: min(100% - 36px, 720px); }
  .site-header { min-height: 68px; padding-inline: 18px; }
  .brand { width: 180px; }
  .menu-toggle {
    position: relative;
    display: grid;
    gap: 5px;
    width: 44px;
    height: 44px;
    place-content: center;
    border: 0;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 4px;
    cursor: pointer;
  }
  .menu-toggle span:not(.sr-only) { width: 22px; height: 2px; background: var(--ink); transition: transform 160ms ease, opacity 160ms ease; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    align-items: stretch;
    gap: 0;
    padding: 10px 18px 20px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 18px 30px rgba(9, 35, 28, 0.14);
  }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 12px 0; color: var(--ink); border-bottom: 1px solid var(--line); }
  .site-nav .nav-cta { margin-top: 10px; padding: 12px 14px; text-align: center; border-bottom: 0; }
  .hero { min-height: 82svh; background-position: 58% center; }
  .hero-content { padding-top: 76px; }
  .hero-copy { font-size: 17px; }
  .hero-next { display: none; }
  .intro-band, .dossier-section, .process-section, .trust-section, .purpose-section, .faq-section, .closing-section { padding: 76px 0; }
  .intro-grid, .dossier-grid, .trust-grid, .faq-grid, .pilot-grid, .process-header { grid-template-columns: 1fr; gap: 44px; }
  .section-heading h2, .process-header h2, .pilot-section h2, .closing-section h2 { font-size: clamp(36px, 10vw, 58px); }
  .wide-visual, .product-visual { width: calc(100% - 24px); margin-top: 52px; overflow-x: auto; }
  .wide-visual img, .product-visual img { min-width: 760px; }
  .process-list { margin-top: 48px; }
  .process-list li { grid-template-columns: 52px 1fr; gap: 12px; }
  .process-list li div { display: block; }
  .process-list h3 { margin-bottom: 6px; }
  .pilot-section { padding: 76px 0; }
  .purpose-statements { gap: 0; }
  .purpose-statements article { padding: 28px 0; }
  .purpose-statements article + article { padding-left: 0; border-top: 1px solid #9caecc; border-left: 0; }
  .values-block dl div { grid-template-columns: 1fr; gap: 4px; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero h1 { font-size: clamp(54px, 18vw, 82px); }
  .hero-line { font-size: 27px; }
  .hero-actions, .pilot-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; text-align: center; }
  .capability-list div { grid-template-columns: 1fr; gap: 4px; }
  .intro-copy .lead { font-size: 22px; }
  .wide-visual img, .product-visual img { min-width: 660px; }
  .site-footer { padding-block: 36px; }
  .footer-links { flex-direction: column; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}
