/* ====== AI in Ag UPDATE — design tokens ====== */
:root {
  /* Forest-green primary derived from masthead */
  --green-900: #0f3a22;
  --green-800: #163f29;
  --green-700: #1d4a2e;
  --green-600: #2a6440;
  --green-500: #3e8a59;
  --green-300: #a8d4b8;
  --green-100: #e6f1ea;

  --gold-600: #b08a2e;       /* AgPR mark accent */
  --gold-500: #c9a849;

  --ink-900: #14201a;
  --ink-700: #314039;
  --ink-500: #57655d;
  --ink-300: #aab4ad;
  --ink-100: #e6ebe7;

  --cream-50:  #fbfaf5;
  --cream-100: #f4f1e8;
  --paper:     #ffffff;

  --bg:        var(--cream-50);
  --surface:   var(--paper);
  --surface-2: var(--cream-100);
  --text:      var(--ink-900);
  --text-soft: var(--ink-700);
  --text-mute: var(--ink-500);
  --rule:      #e1e0d6;
  --rule-soft: #ece9dc;
  --link:      var(--green-700);
  --link-hov:  var(--green-900);
  --accent:    var(--green-700);
  --accent-2:  var(--gold-600);

  --serif: 'Source Serif 4', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --w-page: 1180px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;

  --shadow-1: 0 1px 2px rgba(15,58,34,.04), 0 4px 12px rgba(15,58,34,.05);
  --shadow-2: 0 2px 4px rgba(15,58,34,.05), 0 12px 32px rgba(15,58,34,.08);
}

[data-theme="dark"] {
  --bg:        #0d1612;
  --surface:   #131e18;
  --surface-2: #182722;
  --text:      #ecf1ee;
  --text-soft: #c4cec8;
  --text-mute: #8a978f;
  --rule:      #243630;
  --rule-soft: #1c2a25;
  --link:      var(--green-300);
  --link-hov:  #d5ecde;
  --accent:    var(--green-500);
  --cream-100: #182722;
  /* Note: --green-100 is intentionally NOT remapped so masthead nav text
     (which uses --green-100 on dark green bg) stays legible. */
}

/* ====== base ====== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  font-feature-settings: 'ss01','cv11';
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hov); text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; color: var(--text); letter-spacing: -0.01em; line-height: 1.18; margin: 0; }
h1 { font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.55rem); }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }
p  { margin: 0 0 0.85em; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--green-700); color: #fff; padding: 8px 12px; border-radius: 6px; z-index: 100; }

/* ====== masthead ====== */
.masthead {
  background: linear-gradient(95deg, var(--green-900) 0%, var(--green-700) 55%, var(--green-600) 100%);
  color: #fff;
  border-bottom: 3px solid var(--gold-600);
}
.masthead__inner {
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 18px 24px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 14px; color: #fff; }
.brand:hover { text-decoration: none; }
.brand__mark { width: 44px; height: 44px; color: #fff; flex-shrink: 0; }
.brand__words { display: flex; flex-direction: column; line-height: 1.1; }
.brand__title { font-family: var(--serif); font-size: 1.65rem; font-weight: 700; letter-spacing: 0.01em; }
.brand__title em { font-style: normal; color: var(--gold-500); font-weight: 700; letter-spacing: 0.06em; }
.brand__sub { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--green-300); margin-top: 3px; }

.masthead__right { display: flex; align-items: center; gap: 14px; }
.masthead__powered { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--green-300); }
.masthead__powered strong { color: #fff; font-weight: 600; letter-spacing: 0; text-transform: none; font-size: 0.95rem; font-family: var(--serif); }
.iconbtn {
  width: 36px; height: 36px; border-radius: 999px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background .15s ease;
}
.iconbtn:hover { background: rgba(255,255,255,0.18); }

.masthead__nav {
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 24px 14px;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  align-items: center;
}
.masthead__nav a { color: var(--green-100); font-size: 0.93rem; font-weight: 500; padding: 4px 0; border-bottom: 2px solid transparent; }
.masthead__nav a:hover { color: #fff; text-decoration: none; border-bottom-color: var(--gold-500); }
.masthead__nav a[aria-current="page"] { color: #fff; border-bottom-color: var(--gold-500); }
.masthead__nav .nav__cta {
  margin-left: auto;
  background: var(--gold-600);
  color: #1a1500;
  padding: 7px 14px;
  border-radius: 999px;
  border-bottom: none;
  font-weight: 600;
}
@media (max-width: 520px) {
  .masthead__nav { gap: 16px; }
  .masthead__nav .nav__cta { margin-left: 0; padding: 5px 12px; font-size: 0.85rem; }
  .brand__title { font-size: 1.35rem; }
  .brand__sub { font-size: 0.66rem; letter-spacing: 0.12em; }
  .masthead__powered { display: none; }
}
.masthead__nav .nav__cta:hover { background: var(--gold-500); border-bottom: none; }

/* ====== page wrap ====== */
.wrap { max-width: var(--w-page); margin: 0 auto; padding: 32px 24px 60px; }

/* ====== issue head ====== */
.issue-head { padding: 8px 0 18px; border-bottom: 1px solid var(--rule); margin-bottom: 28px; }
.issue-meta {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em;
  color: var(--text-mute); text-transform: uppercase;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 12px;
}
.issue-meta .vol { color: var(--accent); font-weight: 600; }
.issue-meta .dot { color: var(--ink-300); }
.issue-headline { font-size: clamp(1.65rem, 1.1rem + 1.9vw, 2.55rem); line-height: 1.15; margin-bottom: 14px; }
.editors-note {
  font-family: var(--serif); font-size: 1.07rem; color: var(--text-soft);
  border-left: 3px solid var(--accent); padding: 4px 0 4px 16px; max-width: 760px; font-style: italic;
}

.share { display: flex; align-items: center; gap: 14px; margin-top: 16px; flex-wrap: wrap; font-size: 0.85rem; }
.share__label { color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.75rem; font-family: var(--mono); }
.share a, .share .linklike { color: var(--accent); font-weight: 500; }
.linklike { background: none; border: none; padding: 0; cursor: pointer; font: inherit; }
.linklike:hover { color: var(--link-hov); text-decoration: underline; }

/* ====== sponsor ====== */
.sponsor-slots {
  display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 32px;
}
.sponsor-slots[data-count="2"] { grid-template-columns: 1fr 1fr; }
@media (max-width: 920px) {
  .sponsor-slots[data-count="2"] { grid-template-columns: 1fr; }
}
.sponsor {
  display: grid; grid-template-columns: auto 1fr; gap: 22px;
  background: var(--surface);
  border: 1px solid var(--rule); border-left: 4px solid var(--gold-600);
  border-radius: var(--r-md); padding: 20px 24px;
  box-shadow: var(--shadow-1);
}
.sponsor--secondary { border-left-color: var(--green-500, #2f5d3f); }
.sponsor--secondary .sponsor__tag { color: var(--green-500, #2f5d3f); background: rgba(47,93,63,0.10); }
/* Per-client accent overrides (left rail color only — keeps cards on-brand without screaming) */
.sponsor--agripulse { border-left-color: #7a1f2b; }
.sponsor--agripulse .sponsor__tag { color: #7a1f2b; background: rgba(122,31,43,0.08); }
.sponsor--ecorobotix { border-left-color: #1f7a4a; }
.sponsor--ecorobotix .sponsor__tag { color: #1f7a4a; background: rgba(31,122,74,0.10); }
.sponsor--fira { border-left-color: #d97706; }
.sponsor--fira .sponsor__tag { color: #b45309; background: rgba(217,119,6,0.10); }
.sponsor--techhub { border-left-color: #2563eb; }
.sponsor--techhub .sponsor__tag { color: #1d4ed8; background: rgba(37,99,235,0.08); }
.sponsor--salinas { border-left-color: #047857; }
.sponsor--salinas .sponsor__tag { color: #065f46; background: rgba(4,120,87,0.10); }
.sponsor--agpr { border-left-color: var(--gold-600); }
.sponsor--carbon { border-left-color: #111827; }
.sponsor--carbon .sponsor__tag { color: #111827; background: rgba(17,24,39,0.08); }
.sponsor--verdant { border-left-color: #166534; }
.sponsor--verdant .sponsor__tag { color: #166534; background: rgba(22,101,52,0.10); }
.sponsor--niqo { border-left-color: #c2410c; }
.sponsor--niqo .sponsor__tag { color: #9a3412; background: rgba(194,65,12,0.10); }
.sponsor--agripass { border-left-color: #4338ca; }
.sponsor--agripass .sponsor__tag { color: #3730a3; background: rgba(67,56,202,0.10); }
@media (max-width: 640px) {
  .sponsor { grid-template-columns: 1fr; gap: 14px; padding: 18px 18px; }
  .sponsor__tag { justify-self: start; }
}
.sponsor__tag {
  align-self: start; font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--gold-600); background: rgba(176,138,46,0.08); padding: 4px 10px; border-radius: 4px; white-space: nowrap;
}
.sponsor__name { font-size: 1.25rem; margin-bottom: 4px; }
.sponsor__tagline { font-size: 0.92rem; color: var(--text-mute); margin: 0 0 8px; font-style: italic; }
.sponsor__blurb { font-size: 0.97rem; color: var(--text-soft); margin-bottom: 12px; }

/* ====== content grid ====== */
.grid { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 44px; }
@media (max-width: 920px) { .grid { grid-template-columns: 1fr; gap: 32px; } }

/* ====== filterbar ====== */
.filterbar { display: flex; flex-wrap: wrap; gap: 14px 18px; align-items: center; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--rule-soft); }
.search { display: inline-flex; align-items: center; gap: 8px; flex: 1 1 240px; min-width: 200px;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 999px; padding: 7px 14px; color: var(--text-mute); }
.search input { flex: 1; border: 0; background: transparent; outline: none; font: inherit; color: var(--text); padding: 2px 0; min-width: 0; }
.search input::placeholder { color: var(--text-mute); }
.tagchips { display: flex; gap: 6px; flex-wrap: wrap; }
.tagchip {
  font: inherit; font-size: 0.78rem; cursor: pointer;
  background: var(--surface); color: var(--text-soft);
  border: 1px solid var(--rule); border-radius: 999px; padding: 4px 11px;
}
.tagchip:hover { border-color: var(--accent); color: var(--accent); }
.tagchip.is-active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ====== sections / stories ====== */
.section { margin-bottom: 34px; }
.section__head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  padding-bottom: 8px; margin-bottom: 18px; border-bottom: 2px solid var(--accent);
}
.section__label { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.section__count { font-size: 0.78rem; color: var(--text-mute); font-family: var(--mono); }

.story { padding: 18px 0; border-bottom: 1px solid var(--rule-soft); }
.story:last-child { border-bottom: 0; }
.story.is-lead { padding: 22px 22px; background: var(--surface); border: 1px solid var(--rule); border-left: 4px solid var(--accent); border-radius: var(--r-md); box-shadow: var(--shadow-1); }
.story__headline { font-size: 1.25rem; margin-bottom: 8px; }
.story.is-lead .story__headline { font-size: 1.5rem; }
.story__dateline { font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-right: 6px; font-weight: 600; }
.story__summary { font-family: var(--serif); font-size: 1.06rem; color: var(--text); margin: 0 0 12px; }
.story__why {
  background: var(--surface-2); border-radius: var(--r-sm); padding: 10px 14px;
  font-size: 0.95rem; color: var(--text-soft); margin: 0 0 12px; border-left: 3px solid var(--accent-2);
}
.story__why b { color: var(--text); font-weight: 600; font-family: var(--sans); letter-spacing: 0.01em; }
.story__meta { display: flex; flex-wrap: wrap; gap: 10px 16px; font-size: 0.83rem; align-items: center; }
.story__src { color: var(--accent); font-weight: 500; }
.story__tags { display: flex; gap: 6px; flex-wrap: wrap; }
.story__tag { font-size: 0.72rem; color: var(--text-mute); background: var(--surface-2); padding: 2px 8px; border-radius: 999px; }

.empty { text-align: center; padding: 40px 20px; color: var(--text-mute); font-style: italic; }

/* ====== rail / sidebar ====== */
.rail { display: flex; flex-direction: column; gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md); padding: 18px 18px; box-shadow: var(--shadow-1); }
.card__eyebrow { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.stat { font-family: var(--serif); font-size: 2.4rem; line-height: 1; color: var(--accent); font-weight: 700; margin-bottom: 6px; letter-spacing: -0.02em; }
.stat__label { font-size: 0.92rem; color: var(--text-soft); margin: 0 0 8px; }
.src { font-size: 0.78rem; margin: 0; }
.src a { color: var(--text-mute); }
.src a:hover { color: var(--accent); }

.card--quote blockquote { font-family: var(--serif); font-style: italic; font-size: 1.02rem; color: var(--text); margin: 0 0 8px; quotes: '"' '"' '\2018' '\2019'; }
.card--quote blockquote::before { content: open-quote; color: var(--accent); font-size: 1.6em; line-height: 0; vertical-align: -0.25em; margin-right: 2px; }
.card--quote cite { font-style: normal; font-size: 0.82rem; color: var(--text-mute); }

.cal { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.cal li { font-size: 0.88rem; line-height: 1.4; padding-left: 12px; border-left: 2px solid var(--accent); }
.cal__when { display: block; font-family: var(--mono); font-size: 0.74rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 2px; }
.cal__what { color: var(--text); }
.cal__where { color: var(--text-mute); font-size: 0.8rem; }

.card--cta { background: linear-gradient(135deg, var(--green-700), var(--green-900)); color: #fff; border-color: transparent; }
.card--cta .card__eyebrow { color: var(--gold-500); }
.card--cta p { color: rgba(255,255,255,0.92); font-size: 0.93rem; }
.card--cta .fine { font-size: 0.74rem; color: rgba(255,255,255,0.65); margin-top: 8px; margin-bottom: 0; }

.card--sponsor-cta { border: 1px dashed var(--gold-600); background: rgba(176,138,46,0.04); }
.card--sponsor-cta .card__eyebrow { color: var(--accent-2); }

/* ====== buttons ====== */
.btn { display: inline-block; font-size: 0.92rem; font-weight: 600; padding: 9px 16px; border-radius: 999px; line-height: 1.2; text-align: center; border: 1px solid transparent; cursor: pointer; transition: transform .12s ease, background .15s ease, color .15s ease, border-color .15s ease; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--solid { background: var(--gold-600); color: #1a1500; }
.btn--solid:hover { background: var(--gold-500); color: #1a1500; }
.btn--ghost { background: var(--green-100); color: var(--green-900); border-color: transparent; }
.btn--ghost:hover { background: var(--accent); color: #fff; }
.btn--outline { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn--outline:hover { background: var(--accent); color: #fff; }
[data-theme="dark"] .btn--ghost { background: rgba(168,212,184,0.12); color: #d5ecde; }
[data-theme="dark"] .btn--ghost:hover { background: var(--green-500); color: #fff; }
[data-theme="dark"] .btn--solid { color: #1a1500; }
[data-theme="dark"] .sponsor { background: var(--surface); }
[data-theme="dark"] .archive-tease { background: var(--surface-2); }

/* ====== archive tease ====== */
.archive-tease {
  margin-top: 48px; padding: 28px 28px; background: var(--surface-2); border-radius: var(--r-lg); text-align: center;
}
.archive-tease h2 { margin-bottom: 6px; }
.archive-tease p { color: var(--text-soft); margin-bottom: 14px; }

/* ====== footer ====== */
.foot { background: var(--green-900); color: #d6e3dc; margin-top: 60px; padding: 36px 0 0; }
[data-theme="dark"] .foot { background: #091310; }
.foot__inner { max-width: var(--w-page); margin: 0 auto; padding: 0 24px 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
@media (max-width: 760px) { .foot__inner { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .foot__inner { grid-template-columns: 1fr; } }
.foot__brand { font-family: var(--serif); font-size: 1.25rem; color: #fff; margin-bottom: 6px; font-weight: 700; }
.foot__h { font-family: var(--mono); text-transform: uppercase; font-size: 0.74rem; letter-spacing: 0.16em; color: var(--gold-500); margin-bottom: 6px; }
.foot p { font-size: 0.88rem; color: #c0d0c7; line-height: 1.6; margin: 0; }
.foot a { color: var(--green-300); }
.foot a:hover { color: #fff; }
.foot__rule { border-top: 1px solid rgba(255,255,255,0.08); padding: 14px 24px; text-align: center; font-size: 0.78rem; color: #8aa093; }

/* ====== archive page ====== */
.archive-list { display: flex; flex-direction: column; gap: 14px; }
.arc-item {
  display: grid; grid-template-columns: 130px 1fr auto; gap: 18px; align-items: center;
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md);
  padding: 16px 20px; box-shadow: var(--shadow-1);
}
@media (max-width: 640px) { .arc-item { grid-template-columns: 1fr; gap: 8px; } }
.arc-date { font-family: var(--mono); font-size: 0.85rem; color: var(--accent); font-weight: 600; }
.arc-title { font-family: var(--serif); font-size: 1.05rem; color: var(--text); margin: 0; line-height: 1.3; }
.arc-meta { font-size: 0.78rem; color: var(--text-mute); font-family: var(--mono); }

.about-prose { max-width: 720px; }
.about-prose h2 { margin-top: 32px; margin-bottom: 8px; }
.about-prose p { font-family: var(--serif); font-size: 1.07rem; color: var(--text-soft); }
.about-prose ul { font-family: var(--serif); font-size: 1.04rem; color: var(--text-soft); padding-left: 22px; }
.about-prose li { margin-bottom: 6px; }