/* BioT Agriculture: shared styles */

@font-face {
  font-family: 'Montserrat';
  src: url('/assets/fonts/montserrat-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Montserrat';
  src: url('/assets/fonts/montserrat-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Montserrat';
  src: url('/assets/fonts/montserrat-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Montserrat';
  src: url('/assets/fonts/montserrat-latin-700-normal.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}

:root {
  --green: #2f4d41;
  --forest: #1a2e26;
  --sage: #83a187;
  --gold: #d1a346;
  --ink: #1c2420;
  --body: #3a463f;
  --muted: #56695d;
  --line: #dde4e0;
  --tint: #f3f6f4;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font-family: 'Montserrat', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

a { color: var(--green); }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: #ffffff;
  padding: 8px 14px;
  z-index: 10;
}
.skip:focus { left: 8px; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3 {
  color: var(--green);
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
}

p { margin: 0 0 14px; max-width: 66ch; }

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-logo {
  height: 96px;
  width: auto;
  display: block;
}

.brand-name {
  font-size: 26px;
  font-weight: 400;
  color: var(--green);
  line-height: 1.1;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
}

.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--green);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover { border-bottom-color: var(--sage); }

.main-nav a[aria-current="page"] { border-bottom-color: var(--gold); }

/* ---------- Page intro ---------- */

.page-head { padding: 64px 0 56px; }

.page-head h1 {
  font-size: 38px;
  margin-bottom: 20px;
}

.lead {
  font-size: 18px;
  color: var(--ink);
  max-width: 62ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.btn-primary { background: var(--gold); color: var(--forest); }

.btn-secondary {
  background: #ffffff;
  color: var(--green);
  border: 1px solid #b9c5be;
}

.btn-primary:hover { background: #c4963b; }
.btn-secondary:hover { border-color: var(--green); }

/* ---------- Sections ---------- */

.section {
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.section-tint {
  background: var(--tint);
  border-top: 0;
}

.section-dark {
  background: var(--green);
  border-top: 0;
}

.section h2 {
  font-size: 28px;
  margin-bottom: 24px;
}

.section-dark h2 { color: #ffffff; }
.section-dark p { color: #eef3f0; }

.section-intro { margin: -8px 0 36px; }

/* ---------- Home ---------- */

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-grid h1 {
  font-size: 38px;
  margin-bottom: 20px;
}

.signal-box {
  border: 1px solid var(--line);
  padding: 18px 18px 14px;
}

.signal-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  margin: 0 0 10px;
}

.signal-svg { width: 100%; height: auto; display: block; }

.signal-path {
  fill: none;
  stroke: var(--green);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.signal-fill { fill: url(#signalGradient); }

@media (prefers-reduced-motion: no-preference) {
  .signal-path {
    stroke-dasharray: 1400;
    stroke-dashoffset: 1400;
    animation: draw 2.4s ease-out forwards 0.2s;
  }
  .signal-fill {
    opacity: 0;
    animation: fadein 1.5s ease-out forwards 1.4s;
  }
}

@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fadein { to { opacity: 1; } }

.signal-caption {
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 0;
}

.next-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.next-item {
  border-top: 2px solid var(--green);
  padding-top: 20px;
}

.next-item h3 { font-size: 20px; margin-bottom: 8px; }

.next-item h3 a { text-decoration: none; }
.next-item h3 a:hover { text-decoration: underline; text-underline-offset: 4px; }

.next-item p { font-size: 15px; color: var(--body); margin: 0; }

/* ---------- Product ---------- */

.split {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: center;
}

.photo {
  width: 260px;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 28px;
  border: 4px solid var(--green);
  display: block;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step { border-top: 2px solid var(--green); padding-top: 22px; }

.step-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  display: block;
  margin-bottom: 14px;
}

.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 15px; color: var(--body); margin: 0; }

.steps-after { margin-top: 56px; }

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gallery figure, .shot { margin: 0; }

.gallery img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 4px;
  display: block;
}

figcaption {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
}

.shot { max-width: 760px; margin-top: 48px; }

.shot img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
}

.spec-block { margin-bottom: 40px; }
.spec-block:last-child { margin-bottom: 0; }

.spec-block h3 { font-size: 18px; margin-bottom: 12px; }

.spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.spec th,
.spec td {
  text-align: left;
  vertical-align: top;
  padding: 12px 16px 12px 0;
  border-bottom: 1px solid var(--line);
}

.spec th {
  width: 34%;
  font-weight: 600;
  color: var(--green);
}

.spec td { color: var(--body); }

.spec-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 14px;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px 40px;
}

.data-grid h3 { font-size: 16px; margin-bottom: 6px; }
.data-grid p { font-size: 15px; color: var(--body); margin: 0; }

/* ---------- Service ---------- */

.service {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  padding: 40px 0;
  border-top: 1px solid var(--line);
}

.service:first-child { border-top: 0; padding-top: 0; }

.service h2 { font-size: 24px; margin: 0; }

.service p { color: var(--body); }

.checklist {
  margin: 0;
  padding-left: 20px;
  max-width: 66ch;
}

.checklist li { margin-bottom: 8px; color: var(--body); }

/* ---------- About ---------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.team-grid li { text-align: center; }

.team-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 25%;
  border: 3px solid var(--green);
  filter: grayscale(100%);
  display: block;
  margin: 0 auto 14px;
}

.team-name { font-weight: 600; color: var(--green); margin: 0; }
.team-role { font-size: 14px; color: var(--muted); margin: 2px 0 0; }

.citations {
  border-left: 2px solid var(--gold);
  padding-left: 20px;
  margin-top: 28px;
}

.citations-label {
  font-size: 13px;
  font-weight: 600;
  color: #b7cbbb;
  margin: 0 0 8px;
}

.citation { font-size: 14px; color: #eef3f0; margin: 0 0 6px; }

/* ---------- Contact band + footer ---------- */

.contact { padding: 64px 0; border-top: 1px solid var(--line); }

.contact h2 { font-size: 28px; margin-bottom: 14px; }

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 20px;
}

.contact-links a { font-size: 16px; font-weight: 600; }

.site-footer { padding: 20px 0 44px; }

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}

.footer-text { font-size: 13px; color: var(--muted); margin: 0; }

/* ---------- Small screens ---------- */

@media (max-width: 860px) {
  .data-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .wrap { padding: 0 24px; }
  .header-row { flex-direction: column; align-items: flex-start; gap: 6px; }
  .brand-logo { height: 72px; }
  .brand-name { font-size: 22px; }
  .main-nav { gap: 6px 22px; padding-bottom: 6px; }
  .page-head { padding: 40px 0 40px; }
  .page-head h1, .hero-grid h1 { font-size: 30px; }
  .lead { font-size: 17px; }
  .section, .contact { padding: 48px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .next-grid, .steps { grid-template-columns: 1fr; gap: 32px; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .photo { width: 200px; }
  .gallery { grid-template-columns: 1fr; max-width: 360px; }
  .service { grid-template-columns: 1fr; gap: 12px; padding: 32px 0; }
  .data-grid { grid-template-columns: 1fr; }
  .spec th { width: 42%; }
}