/* =========================================================
   Layout — container, masthead, footer, page grids
   ========================================================= */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

@media (min-width: 640px) {
  .container { padding-inline: var(--space-7); }
}

/* ---------------------------------------------------------
   Signature element: the "vein divider"
   A thin, hand-drawn-feeling line with a leaf-node accent —
   used as the section divider throughout the site, and as
   the animated underline on hovered links. It is the single
   recurring motif that ties the green identity to the
   editorial, botanical-meets-technical feel of the brand.
   --------------------------------------------------------- */
.vein-divider {
  display: block;
  width: 100%;
  height: 14px;
  margin: var(--space-8) 0;
  color: var(--green-300);
}

.vein-divider.is-compact {
  margin: var(--space-6) 0;
}

/* ---- Masthead ---- */
.masthead {
  background: var(--white);
  border-bottom: 2px solid var(--green-950);
}

.masthead__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
}

.masthead__date {
  text-transform: uppercase;
}

.masthead__utility {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.masthead__utility a {
  color: var(--color-text-muted);
}

.masthead__utility a:hover {
  color: var(--color-accent);
}

.masthead__main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-6);
  gap: var(--space-5);
}

.masthead__brand {
  text-align: left;
}

.masthead__brand a {
  color: var(--green-950);
}

.masthead__wordmark {
  font-size: var(--fs-3xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
  margin: 0;
}

.masthead__wordmark .accent {
  color: var(--color-accent);
}

.masthead__tagline {
  margin: var(--space-2) 0 0;
  font-style: italic;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

/* ---- Primary nav ---- */
.primary-nav {
  border-top: 1px solid var(--green-950);
  border-bottom: 1px solid var(--green-950);
}

.primary-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
}

.primary-nav__list {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav__list a {
  display: inline-block;
  padding: var(--space-4) 0;
  color: var(--green-950);
  font-size: var(--fs-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  position: relative;
}

.primary-nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 8px;
  height: 2px;
  background: var(--color-accent);
  transition: right var(--dur-normal) var(--ease);
}

.primary-nav__list a:hover::after,
.primary-nav__list a[aria-current="page"]::after {
  right: 0;
}

.primary-nav__list a[aria-current="page"] {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--green-950);
  background: none;
  padding: var(--space-2) var(--space-3);
  align-items: center;
  gap: var(--space-2);
  color: var(--green-950);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.nav-toggle__icon {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
}

.nav-toggle__icon::before { top: -6px; }
.nav-toggle__icon::after { top: 6px; }

.header-search {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  min-width: 220px;
}

.header-search input {
  border: none;
  padding: var(--space-2) var(--space-3);
  flex: 1;
  min-width: 0;
  color: var(--color-text);
  background: var(--color-bg-tint);
}

.header-search input:focus {
  outline: none;
}

.header-search button {
  border: none;
  background: var(--green-950);
  color: var(--white);
  padding: var(--space-2) var(--space-4);
  font-size: var(--fs-sm);
}

.header-search button:hover {
  background: var(--color-accent);
}

/* ---- Responsive nav ---- */
@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav__inner {
    flex-wrap: wrap;
  }

  .primary-nav__list {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    padding-bottom: var(--space-3);
  }

  .primary-nav__list.is-open {
    display: flex;
  }

  .primary-nav__list a {
    width: 100%;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .header-search {
    display: none;
    width: 100%;
    margin: var(--space-3) 0;
  }

  .header-search.is-open {
    display: flex;
  }
}

/* ---- Page section rhythm ---- */
.section {
  padding-block: var(--space-8);
}

.section--tint {
  background: var(--color-bg-tint);
}

.section__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.section__eyebrow {
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.section__title {
  margin: 0;
}

.section__link {
  font-size: var(--fs-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---- Grids ---- */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 900px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
}

/* ---- Footer ---- */
.site-footer {
  background: var(--green-950);
  color: var(--stone-100);
  padding-block: var(--space-8) var(--space-6);
}

.site-footer a {
  color: var(--white);
}

.site-footer a:hover {
  color: var(--green-300);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-7);
}

@media (max-width: 760px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-grid h4 {
  color: var(--white);
  font-size: var(--fs-sm);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-grid li {
  margin-bottom: var(--space-2);
  font-size: var(--fs-sm);
}

.footer-brand p {
  color: var(--stone-300);
  font-size: var(--fs-sm);
  max-width: 34ch;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: var(--space-5);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--stone-300);
}

/* ---- Skip-to-content target padding fix ---- */
main {
  display: block;
}