@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+Telugu:wght@400;500;600;700&display=swap");

/* ── Tokens ─────────────────────────────────────────── */
:root {
  --green-950: #062a20;
  --green-900: #0a3a2b;
  --green-800: #0d4d36;
  --green-700: #1f6a48;
  --green-600: #388555;
  --green-100: #e7f1df;
  --green-50: #f1f6ed;
  --cream: #f8f5ee;
  --cream-deep: #eee9dc;
  --ink: #16352a;
  --muted: #65746b;
  --gold: #d8a936;
  --gold-light: #efcf6c;
  --white: #fffefa;
  --shadow: 0 18px 45px rgba(10, 58, 43, 0.1);
  --shadow-lg: 0 30px 70px rgba(4, 40, 28, 0.21);
  color: var(--ink);
  background: var(--cream);
  font-family: "Manrope", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

/* ── Reset ──────────────────────────────────────────── */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; min-width: 320px; background: var(--cream); }
button, input, textarea { font: inherit; }
button { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 3px solid #e3bd52; outline-offset: 3px; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

/* ── Shared ─────────────────────────────────────────── */
.eyebrow {
  margin: 0 0 16px;
  color: var(--green-700);
  font-size: 0.72rem; line-height: 1.4;
  font-weight: 800; letter-spacing: 0.16em;
  text-transform: uppercase;
}
.eyebrow--light { color: var(--gold-light); }
.arrow { display: inline-block; width: 18px; height: 18px; vertical-align: middle; transition: transform .2s ease; }
.arrow--left { transform: scaleX(-1); }
.button:hover .arrow, .text-link:hover .arrow { transform: translateX(4px); }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 46px; border: 1px solid transparent; border-radius: 99px;
  padding: 12px 19px; cursor: pointer; text-decoration: none;
  font-size: .76rem; font-weight: 800; white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button--gold { color: #24402b; background: var(--gold); box-shadow: 0 9px 21px rgba(10,34,22,.16); }
.button--gold:hover { background: #e6bd4e; box-shadow: 0 12px 28px rgba(10,34,22,.22); }
.button--ghost-dark { color: var(--green-800); border-color: var(--green-800); background: transparent; }
.button--ghost-dark:hover { background: var(--green-800); color: var(--white); }
.button--whatsapp { color: #fff; background: #25d366; border-color: #25d366; gap: 6px; }
.button--whatsapp:hover { background: #20bd5a; }
.text-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--green-700); font-weight: 700; font-size: .85rem;
  text-decoration: none; transition: color .2s;
}
.text-link:hover { color: var(--green-900); }
.text-link:hover .arrow { transform: translateX(-4px); }

/* ── Header ─────────────────────────────────────────── */
.article-header {
  position: fixed; top: 0; z-index: 50; width: 100%;
  color: var(--white);
  transition: background .28s ease, box-shadow .28s ease, color .28s ease;
}
.article-header--solid {
  background: rgba(255,254,250,.96); color: var(--green-900);
  box-shadow: 0 5px 20px rgba(6,42,32,.09); backdrop-filter: blur(14px);
}
.header-inner {
  height: 84px; display: flex; align-items: center;
  justify-content: space-between; gap: 26px;
}
.logo {
  display: inline-flex; align-items: center; gap: 9px;
  color: var(--green-900); text-decoration: none; line-height: 1;
}
.logo--light { color: var(--white); }
.article-header:not(.article-header--solid) .logo { color: var(--white); }
.logo__mark { width: 42px; height: 42px; color: var(--gold); }
.logo__copy { display: grid; gap: 4px; }
.logo strong { font-size: .9rem; letter-spacing: .085em; }
.logo small { font-size: .48rem; font-weight: 800; letter-spacing: .14em; }
.header-nav {
  display: flex; align-items: center; gap: 4px; margin-left: auto;
}
.header-nav a {
  position: relative; border: 0; background: transparent;
  padding: 9px 11px; color: inherit; font-size: .75rem;
  font-weight: 700; text-decoration: none;
}
.header-nav a::after {
  position: absolute; bottom: 4px; left: 50%;
  width: 0; height: 2px; border-radius: 2px;
  background: var(--gold); content: "";
  transition: width .2s ease, left .2s ease;
}
.header-nav a:hover::after,
.header-nav a.is-active::after {
  left: 12px; width: calc(100% - 24px);
}
.header-actions {
  display: flex; align-items: center; gap: 12px;
}
.button--ghost-header {
  min-height: 38px; padding: 8px 16px;
  font-size: .72rem; font-weight: 700;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.28);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
  border-radius: 99px;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px;
  transition: all .2s ease;
}
.button--ghost-header:hover {
  background: rgba(255,255,255,.2);
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-1px);
}
.article-header--solid .button--ghost-header {
  color: var(--green-900);
  border-color: rgba(6,42,32,.2);
  background: rgba(6,42,32,.04);
}
.article-header--solid .button--ghost-header:hover {
  background: var(--green-900);
  color: var(--white);
  border-color: var(--green-900);
}
.header-contact { min-height: 39px; padding: 9px 14px; font-size: .67rem; }
.article-header:not(.article-header--solid) .header-contact {
  color: #24402b; background: var(--gold);
}
.menu-toggle {
  display: none; border: 0; width: 40px; height: 40px;
  padding: 9px; background: transparent; color: inherit; cursor: pointer;
}
.menu-toggle span {
  display: block; height: 2px; margin: 5px 0;
  border-radius: 2px; background: currentColor;
  transition: transform .2s ease;
}

/* ── Article Hero ───────────────────────────────────── */
.article-hero {
  position: relative; min-height: 520px;
  display: flex; align-items: flex-end;
  color: var(--white); background: var(--green-950);
  overflow: hidden; padding-bottom: 56px;
}
.article-hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background: url("/crops/bg-chilli-pests.jpeg") center/cover no-repeat;
  filter: saturate(.8) contrast(1.04); transform: scale(1.04);
}
.article-hero__overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(6,42,32,.92) 0%, rgba(6,42,32,.85) 40%, rgba(6,42,32,.95) 100%);
}
.article-hero__content {
  position: relative; z-index: 2;
  padding-top: 140px;
}
.breadcrumb {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-bottom: 28px; font-size: .72rem; font-weight: 600;
  opacity: .7;
}
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; opacity: 1; }
.article-hero__meta {
  display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px;
}
.article-tag {
  display: inline-block; padding: 5px 14px;
  border-radius: 99px; font-size: .65rem; font-weight: 800;
  letter-spacing: .04em; text-transform: uppercase;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
}
.article-tag--gold {
  background: rgba(216,169,54,.18); border-color: rgba(216,169,54,.3);
  color: var(--gold-light);
}
.article-hero h1 {
  margin: 0 0 12px; font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.25; letter-spacing: -0.02em;
  font-family: "Noto Sans Telugu", "Nirmala UI", sans-serif;
}
.article-hero__subtitle {
  margin: 0 0 32px; font-size: 1.05rem;
  opacity: .7; font-weight: 500;
}

/* Author Bar */
.article-author-bar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 18px 24px; border-radius: 16px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  backdrop-filter: blur(12px);
}
.article-author-bar__avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #c49520);
  color: var(--green-950); display: flex; align-items: center;
  justify-content: center; font-size: .85rem; font-weight: 800;
  flex-shrink: 0;
}
.article-author-bar__info {
  display: flex; flex-direction: column; gap: 2px;
}
.article-author-bar__info strong {
  font-size: 1rem;
}
.article-author-bar__info span {
  font-size: .72rem; opacity: .6; font-weight: 500;
}
.article-author-bar__institution {
  display: flex; flex-direction: column; gap: 2px;
  margin-left: auto; text-align: right;
}
.article-author-bar__institution span {
  font-size: .68rem; opacity: .55; font-weight: 500;
}
.article-author-bar__institution span:first-child {
  font-family: "Noto Sans Telugu", "Nirmala UI", sans-serif;
}

/* ── Co-authors Strip ───────────────────────────────── */
.article-coauthors {
  background: var(--green-900); color: var(--white);
  padding: 16px 0;
}
.coauthor-strip {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.coauthor-label {
  font-size: .65rem; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; opacity: .5;
}
.coauthor-list {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.coauthor-list span {
  padding: 5px 14px; border-radius: 99px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.08);
  font-size: .72rem; font-weight: 600;
  font-family: "Noto Sans Telugu", "Nirmala UI", sans-serif;
}

/* ── Article Pages (Image Display) ──────────────────── */
.article-pages {
  padding: 60px 0 40px;
  background: linear-gradient(180deg, var(--cream-deep) 0%, var(--cream) 100%);
}
.article-pages__grid {
  display: flex; flex-direction: column; gap: 48px;
  max-width: 820px; margin: 0 auto;
}
.article-page {
  margin: 0;
}
.article-page__frame {
  position: relative; border-radius: 16px; overflow: hidden;
  background: var(--white);
  box-shadow: 0 8px 40px rgba(6,42,32,.12), 0 2px 8px rgba(6,42,32,.06);
  border: 1px solid rgba(6,42,32,.06);
  cursor: zoom-in;
  transition: transform .3s ease, box-shadow .3s ease;
}
.article-page__frame:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 60px rgba(6,42,32,.18), 0 4px 12px rgba(6,42,32,.08);
}
.article-page__frame img {
  display: block; width: 100%; height: auto;
}
.article-page__number {
  position: absolute; bottom: 12px; right: 16px;
  padding: 5px 14px; border-radius: 99px;
  background: rgba(6,42,32,.75); color: var(--white);
  font-size: .65rem; font-weight: 700; letter-spacing: .04em;
  backdrop-filter: blur(8px);
}
.article-page figcaption {
  margin-top: 14px; padding: 0 8px;
  text-align: center; font-size: .78rem;
  color: var(--muted); font-weight: 500;
  font-family: "Noto Sans Telugu", "Nirmala UI", sans-serif;
}

/* Page Navigation Dots */
.article-page-nav {
  display: flex; justify-content: center; gap: 8px;
  margin-top: 36px;
}
.article-page-dot {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--white); color: var(--muted);
  font-size: .72rem; font-weight: 800;
  text-decoration: none;
  border: 2px solid var(--cream-deep);
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.article-page-dot:hover,
.article-page-dot.is-active {
  background: var(--green-800); color: var(--white);
  border-color: var(--green-800); transform: scale(1.1);
}

/* ── Fullscreen Interactive Lightbox ────────────────────── */
.article-page__fs-trigger {
  position: absolute; top: 16px; right: 16px;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px; border-radius: 99px;
  background: rgba(6,42,32,.85); color: var(--white);
  border: 1px solid rgba(255,255,255,.2);
  font-size: .72rem; font-weight: 700;
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: all .2s ease;
  box-shadow: 0 4px 14px rgba(0,0,0,.18);
  z-index: 5;
}
.article-page__frame:hover .article-page__fs-trigger,
.article-page__fs-trigger:hover {
  background: var(--gold); color: var(--green-950);
  border-color: var(--gold);
  transform: scale(1.05);
}

.image-lightbox {
  position: fixed; inset: 0; z-index: 99999;
  display: flex; flex-direction: column;
  background: rgba(4, 24, 18, 0.96);
  backdrop-filter: blur(20px);
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease;
  user-select: none;
}
.image-lightbox.is-visible {
  opacity: 1; pointer-events: auto;
}

/* Lightbox Top Bar */
.lightbox-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
  background: rgba(3, 18, 14, 0.88);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: #fff; z-index: 10;
  flex-shrink: 0;
  gap: 12px;
}
.lightbox-info {
  display: flex; align-items: center; gap: 12px;
  min-width: 0;
}
.lightbox-badge {
  padding: 4px 12px; border-radius: 99px;
  background: var(--gold); color: var(--green-950);
  font-size: .72rem; font-weight: 800; letter-spacing: .02em;
  white-space: nowrap; flex-shrink: 0;
}
.lightbox-title {
  font-size: .84rem; font-weight: 600; color: #f1f7f4;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-family: "Noto Sans Telugu", "Nirmala UI", sans-serif;
}
.lightbox-actions {
  display: flex; align-items: center; gap: 8px;
  flex-shrink: 0;
}
.lightbox-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 36px; padding: 0 12px; border-radius: 8px;
  background: rgba(255,255,255,0.1); color: #fff;
  border: 1px solid rgba(255,255,255,0.16);
  font-size: .75rem; font-weight: 700; cursor: pointer;
  transition: background .2s, color .2s, transform .15s;
  text-decoration: none;
}
.lightbox-btn:hover {
  background: rgba(255,255,255,0.24); color: var(--gold);
}
.lightbox-btn--gold {
  background: var(--gold); color: var(--green-950);
  border-color: var(--gold);
}
.lightbox-btn--gold:hover {
  background: #f0c958; color: var(--green-950);
}
.lightbox-btn--icon {
  width: 36px; padding: 0; border-radius: 8px; font-size: 1.1rem;
}
.lightbox-btn--close {
  background: rgba(240, 70, 70, 0.25);
  border-color: rgba(240, 70, 70, 0.4);
  color: #fff;
}
.lightbox-btn--close:hover {
  background: rgba(240, 70, 70, 0.85); color: #fff;
}

/* Lightbox Stage (Canvas) */
.lightbox-stage {
  position: relative; flex: 1;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding: 16px;
}
.lightbox-img-wrap {
  position: relative; max-width: 100%; max-height: 100%;
  display: flex; align-items: center; justify-content: center;
  transform-origin: center center;
  transition: transform 0.15s cubic-bezier(0.2, 0.9, 0.3, 1);
  cursor: grab;
}
.lightbox-img-wrap:active {
  cursor: grabbing;
}
.lightbox-img {
  display: block; max-width: 88vw; max-height: 78vh;
  object-fit: contain; border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  pointer-events: none;
}

/* Prev / Next Nav Buttons */
.lightbox-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 50px; height: 50px; border-radius: 50%;
  background: rgba(6, 42, 32, 0.85); color: #fff;
  border: 1px solid rgba(255,255,255,0.22);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; z-index: 10;
  backdrop-filter: blur(12px);
  transition: all .2s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.lightbox-arrow:hover {
  background: var(--gold); color: var(--green-950);
  border-color: var(--gold); transform: translateY(-50%) scale(1.1);
}
.lightbox-arrow:disabled {
  opacity: 0.2; pointer-events: none;
}
.lightbox-arrow--prev { left: 20px; }
.lightbox-arrow--next { right: 20px; }

/* Lightbox Bottom Indicator */
.lightbox-bottombar {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 10px 20px;
  background: rgba(3, 18, 14, 0.88);
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0; z-index: 10;
}
.lightbox-dot {
  padding: 5px 14px; border-radius: 99px;
  background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.7);
  border: 1px solid transparent; font-size: .74rem; font-weight: 700;
  cursor: pointer; transition: all .2s;
}
.lightbox-dot:hover {
  background: rgba(255,255,255,0.25); color: #fff;
}
.lightbox-dot.is-active {
  background: var(--gold); color: var(--green-950);
  border-color: var(--gold);
}

/* ── Articles Listing Hero ──────────────────────────── */
.articles-listing-hero {
  position: relative; min-height: 400px;
  display: flex; align-items: flex-end;
  color: var(--white); background: var(--green-950);
  overflow: hidden; padding-bottom: 56px;
}
.articles-listing-hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background: url("/crops/bg-crop-flowers.jpeg") center/cover no-repeat;
  filter: saturate(.7) contrast(1.05); transform: scale(1.04);
}
.articles-listing-hero__overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(6,42,32,.9) 0%, rgba(6,42,32,.85) 50%, rgba(6,42,32,.95) 100%);
}
.articles-listing-hero__content {
  position: relative; z-index: 2;
  padding-top: 140px; max-width: 660px;
}
.articles-listing-hero__content h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  letter-spacing: -0.025em; line-height: 1.18;
}
.articles-listing-hero__content p {
  margin: 0; font-size: 1rem; opacity: .7;
  line-height: 1.7; max-width: 500px;
}

/* ── Articles Grid ──────────────────────────────────── */
.articles-grid-section { padding: 64px 0 80px; }
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
}
.article-card {
  display: flex; flex-direction: column;
  border-radius: 20px; overflow: hidden;
  background: var(--white); text-decoration: none;
  box-shadow: var(--shadow);
  border: 1px solid rgba(6,42,32,.05);
  transition: transform .3s ease, box-shadow .3s ease;
}
.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.article-card__image {
  position: relative; aspect-ratio: 4/3; overflow: hidden;
  background: var(--cream-deep);
}
.article-card__image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.article-card:hover .article-card__image img {
  transform: scale(1.05);
}
.article-card__badge {
  position: absolute; top: 14px; left: 14px;
  padding: 5px 14px; border-radius: 99px;
  background: rgba(6,42,32,.75); color: var(--white);
  font-size: .62rem; font-weight: 800; letter-spacing: .04em;
  backdrop-filter: blur(8px);
}
.article-card__body {
  padding: 24px 28px 28px; display: flex;
  flex-direction: column; gap: 12px; flex: 1;
}
.article-card__tags {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.article-card__tags span {
  padding: 3px 10px; border-radius: 99px;
  background: var(--green-50); color: var(--green-700);
  font-size: .6rem; font-weight: 800; letter-spacing: .04em;
}
.article-card__body h2 {
  margin: 0; font-size: 1.15rem;
  font-family: "Noto Sans Telugu", "Nirmala UI", sans-serif;
  line-height: 1.45; color: var(--green-900);
}
.article-card__body > p {
  margin: 0; font-size: .82rem; color: var(--muted);
  font-weight: 500;
}
.article-card__author {
  display: flex; align-items: center; gap: 10px;
  margin-top: auto; padding-top: 14px;
  border-top: 1px solid var(--cream-deep);
}
.article-card__avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #c49520);
  color: var(--green-950); display: flex; align-items: center;
  justify-content: center; font-size: .68rem; font-weight: 800;
  flex-shrink: 0;
}
.article-card__author div { display: flex; flex-direction: column; gap: 1px; }
.article-card__author strong { font-size: .78rem; color: var(--ink); }
.article-card__author span { font-size: .62rem; color: var(--muted); }
.article-card__read {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 8px; font-size: .74rem; font-weight: 800;
  color: var(--green-700);
}
.article-card:hover .article-card__read .arrow {
  transform: translateX(4px);
}

/* ── Article Footer CTA ─────────────────────────────── */
.article-footer-cta {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--green-50), var(--cream));
}
.article-footer-cta__inner {
  display: flex; align-items: center; gap: 48px;
  flex-wrap: wrap;
}
.article-footer-cta__text {
  flex: 1; min-width: 280px;
}
.article-footer-cta__text h2 {
  margin: 0 0 12px; font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--green-900); letter-spacing: -0.02em; line-height: 1.2;
}
.article-footer-cta__text p {
  margin: 0; color: var(--muted); font-size: .88rem;
  line-height: 1.7; max-width: 480px;
}
.article-footer-cta__text strong {
  color: var(--green-800);
}
.article-footer-cta__actions {
  display: flex; gap: 12px; flex-wrap: wrap;
}

/* ── Back Link ──────────────────────────────────────── */
.article-back {
  padding: 32px 0 48px;
}

/* ── Footer ─────────────────────────────────────────── */
.site-footer {
  background: var(--green-950); color: var(--white);
  padding-top: 64px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand p {
  margin: 14px 0 0; font-size: .82rem; opacity: .5;
  line-height: 1.6; max-width: 300px;
}
.site-footer h3 {
  font-size: .68rem; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
  margin: 0 0 16px; opacity: .4;
}
.site-footer ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.site-footer ul a {
  font-size: .78rem; text-decoration: none;
  opacity: .6; transition: opacity .2s;
}
.site-footer ul a:hover { opacity: 1; }
.site-footer address {
  font-style: normal; font-size: .75rem;
  opacity: .5; line-height: 1.7; margin-bottom: 12px;
}
.site-footer > div:last-of-type a {
  display: block; font-size: .78rem; opacity: .6;
  text-decoration: none; margin-top: 4px;
}
.site-footer > div:last-of-type a:hover { opacity: 1; }
.footer-bottom {
  padding: 24px 0; display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.footer-bottom span {
  font-size: .65rem; opacity: .35; font-weight: 500;
}

/* ── Mobile Responsive ──────────────────────────────── */
@media (max-width: 900px) {
  .header-inner { height: 72px; gap: 12px; }
  .header-nav { display: none; }
  .header-contact { display: none; }
  .button--ghost-header { display: none; }
  .header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
  .menu-toggle {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    flex-shrink: 0; width: 40px; height: 40px; padding: 8px; margin: 0;
  }
  .header-nav.is-open {
    display: flex; flex-direction: column;
    position: absolute; top: 72px; left: 0; right: 0;
    background: rgba(255,254,250,.97); color: var(--green-900);
    padding: 16px 24px; gap: 4px;
    box-shadow: 0 12px 30px rgba(6,42,32,.12);
    backdrop-filter: blur(14px);
  }
  .header-nav.is-open a {
    padding: 12px 8px; font-size: .85rem;
  }
  .footer-grid {
    grid-template-columns: 1fr; gap: 36px;
  }
  .article-hero h1 {
    font-size: clamp(1.5rem, 5vw, 2.2rem);
  }
  .article-author-bar {
    flex-direction: column; align-items: flex-start;
  }
  .article-author-bar__institution {
    margin-left: 0; text-align: left;
  }
  .coauthor-strip {
    flex-direction: column; align-items: flex-start;
  }
  .article-footer-cta__inner {
    flex-direction: column; text-align: center;
    align-items: center;
  }
  .article-footer-cta__text p { margin-inline: auto; }
  .article-footer-cta__actions { justify-content: center; }
  .articles-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .container { width: min(100% - 24px, 1180px); }
  .header-inner { gap: 8px; }
  .header-actions { gap: 6px; }
  .menu-toggle { width: 38px; height: 38px; padding: 6px; }
  .article-hero { min-height: 420px; padding-bottom: 36px; }
  .article-hero__content { padding-top: 110px; }
  .articles-listing-hero { min-height: 320px; }
  .articles-listing-hero__content { padding-top: 110px; }
  .article-pages { padding: 36px 0 24px; }
  .article-pages__grid { gap: 32px; }
  .article-page__frame { border-radius: 10px; }
  .breadcrumb { font-size: .65rem; }
}