/* ============================================
   LAYOUT — Containers, Sections, Nav, Footer
   ============================================ */

main {
  width: 100%;
}

/* ── One container system: every width shares the same gutter ── */
.container {
  max-width: var(--width-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-content {
  max-width: var(--width-content);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-prose {
  max-width: var(--width-prose);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ── Section rhythm ── */
.section {
  padding-block: var(--space-xl);
}

.page-header {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-lg);
}

.page-header .label {
  margin-bottom: var(--space-sm);
}

.page-header .lede {
  margin-top: var(--space-md2);
  color: var(--dark-grey);
}

@media (max-width: 768px) {
  .section { padding-block: var(--space-lg); }
  .page-header { padding-top: var(--space-xl); padding-bottom: var(--space-md); }
}

/* ============================================
   NAVIGATION — colorless bar; fades away scrolling
   down, returns on scroll-up; name always on top
   ============================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: none;
  background-color: transparent;
  transition: background-color var(--dur-med) var(--ease);
}

/* Once scrolling, a translucent veil keeps the links readable */
.nav.is-scrolled {
  background-color: rgba(245, 244, 242, 0.88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

/* Scrolling down: bar and menu fade out — only the name stays,
   backed by a soft fade of the page color */
.nav--quiet {
  background-color: transparent;
  background-image: none;
  border-color: transparent;
}

.nav.is-scrolled.nav--quiet {
  background-color: transparent;
  background-image: none;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.nav-links,
.lang-picker,
.hamburger {
  transition: opacity var(--dur-med) var(--ease);
}

.nav--quiet .nav-links,
.nav--quiet .lang-picker,
.nav--quiet .hamburger {
  opacity: 0;
  pointer-events: none;
}

.nav-inner {
  position: relative;
  width: 100%;
  max-width: none;
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md2);
}

/* The name sits on the left of the bar */
.nav-brand {
  white-space: nowrap;
  margin-right: auto;
}

.nav-brand a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: -0.005em;
  line-height: 1.05;
  color: var(--near-black);
  display: block;
}

.nav-links {
  display: flex;
  gap: var(--space-md2);
  align-items: center;
}

.nav-links a {
  font-size: var(--text-label);
  font-family: var(--font-sans);
  color: var(--dark-grey);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  transition: color var(--dur-fast) var(--ease), text-decoration-color var(--dur-fast) var(--ease);
}

.nav-links a:hover {
  color: var(--near-black);
  text-decoration-color: var(--mid-grey);
}

.nav-links a.active {
  color: var(--near-black);
  text-decoration-color: var(--near-black);
}

/* ── Language picker — a small popup on the right ── */
.lang-picker {
  position: relative;
}

/* Flex wrapper collapses the stray line box that pushed "en" below
   the other links' baseline */
.lang-picker {
  display: flex;
  align-items: center;
}

.lang-picker-btn {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3em;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  line-height: inherit;
  color: var(--dark-grey);
  padding: 0;
  transition: color var(--dur-fast) var(--ease);
}

.lang-picker-btn:hover {
  color: var(--near-black);
}

.lang-caret {
  font-size: 0.7em;
  opacity: 0.7;
}

.lang-picker-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  background: #fff;
  border: 1px solid var(--warm-grey);
  box-shadow: 0 12px 30px rgba(13, 13, 12, 0.08);
  display: flex;
  flex-direction: column;
  min-width: 8rem;
  padding: 0.35rem 0;
  z-index: 110;
}

.lang-picker-menu a {
  white-space: nowrap;
}

.lang-picker-menu {
  animation: lang-menu-in var(--dur-fast) var(--ease);
}

@keyframes lang-menu-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

.lang-picker-menu[hidden] {
  display: none;
}

.lang-picker-menu a {
  font-family: var(--font-sans);
  font-size: var(--text-sans);
  color: var(--dark-grey);
  padding: 0.45em 1em;
  transition: color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.lang-picker-menu a:hover {
  color: var(--near-black);
  background-color: var(--off-white);
}

.lang-picker-menu a.active {
  color: var(--near-black);
  font-weight: 500;
}

/* ── Language switcher (mobile overlay) ── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.lang-switcher a {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  color: var(--dark-grey);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  transition: color var(--dur-fast) var(--ease), text-decoration-color var(--dur-fast) var(--ease);
}

.lang-switcher a:hover {
  color: var(--near-black);
}

.lang-switcher a.active {
  color: var(--near-black);
  text-decoration-color: var(--near-black);
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background-color: var(--near-black);
  margin: 4.5px 0;
  transition: transform var(--dur-med) var(--ease), opacity var(--dur-med) var(--ease);
}

/* span centers sit 10px apart (1px line + 4.5px margins, flex = no
   margin collapse) — both lines must travel the full 10px to meet */
.hamburger.open span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* ── Mobile nav ── */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--off-white);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--gutter);
  overflow-y: auto;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease), visibility 0s var(--dur-med);
}

.mobile-nav-title {
  display: block;
}

.mobile-nav-desc {
  display: block;
  font-family: var(--font-inter);
  font-size: var(--text-label);
  letter-spacing: -0.01em;
  color: var(--dark-grey);
  margin-top: 0.15rem;
}

/* Newsletter inside the menu — same Netlify form as the footer */
.mobile-nav-news {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
  margin-top: var(--space-sm);
  width: 100%;
  max-width: 24rem;
}

.mobile-nav.open .mobile-nav-news {
  opacity: 1;
  transform: none;
  transition-delay: calc(var(--i, 0) * 40ms);
}

.mobile-nav-news-title {
  font-family: var(--font-inter);
  font-size: var(--text-label);
  letter-spacing: -0.01em;
  color: var(--dark-grey);
  margin: 0 0 var(--space-xs);
}

.mobile-nav-news-row {
  display: flex;
  gap: var(--space-xs);
}

.mobile-nav-news-row input {
  flex: 1;
  min-width: 0;
  -webkit-appearance: none;
  appearance: none;
  padding: 0.55em 1.1em;
  border-radius: 999px;
  background: #fff;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: var(--text-sans);
  color: var(--near-black);
  outline: none;
}

.mobile-nav-news-row input:focus {
  border-color: var(--mid-grey);
}

.mobile-nav.open {
  visibility: visible;
  opacity: 1;
  transition: opacity var(--dur-med) var(--ease);
}

.mobile-nav > a {
  font-size: 2rem;
  font-family: var(--font-serif);
  font-weight: 300;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
}

.mobile-nav .lang-switcher {
  gap: var(--space-sm);
}

.mobile-nav.open a,
.mobile-nav.open .lang-switcher {
  opacity: 1;
  transform: none;
  transition-delay: calc(var(--i, 0) * 40ms);
}

.mobile-nav .lang-switcher {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
}

/* ── Home page: the name starts big over the photo, the menu only
      arrives once you scroll ── */
.nav-transparent {
  border-color: transparent;
}

.nav-transparent:not(.is-scrolled) {
  background-color: transparent;
}

/* The home bar starts at the hero's midline and pins at the top —
   pure position: sticky, nothing animated per frame. The margins
   cancel exactly (top + height + bottom = 0), so the hero still
   begins at the very top of the page. */
.nav-transparent {
  height: var(--nav-height);
  margin-top: calc(50vh - var(--nav-height) / 2);
  margin-bottom: calc(-50vh - var(--nav-height) / 2);
}

.nav-transparent:not(.is-scrolled) .nav-brand a {
  font-size: 4.5rem;
}

.nav-transparent .nav-brand a,
.nav-transparent .nav-links a,
.nav-transparent .lang-switcher a {
  transition: color var(--dur-med) var(--ease);
}

/* Over the hero photo (until the photo has fully passed): no bar,
   light menu — the veil never sits on top of the hero */
.nav.nav-transparent:not(.nav--past) {
  background-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.nav-transparent:not(.nav--past) .nav-brand a {
  color: var(--white);
}

.nav-transparent:not(.nav--past) .nav-links a {
  color: rgba(246, 246, 244, 0.8);
}

.nav-transparent:not(.nav--past) .nav-links a:hover,
.nav-transparent:not(.nav--past) .nav-links a.active {
  color: var(--white);
  text-decoration-color: var(--white);
}

.nav-transparent:not(.nav--past) .lang-picker-btn {
  color: rgba(246, 246, 244, 0.8);
}

.nav-transparent:not(.nav--past) .lang-picker-btn:hover {
  color: var(--white);
}

.nav-transparent:not(.nav--past) .hamburger span {
  background-color: var(--white);
}

.nav-transparent.is-scrolled {
  border-color: var(--warm-grey);
}

.nav-transparent.is-scrolled.nav--quiet {
  border-color: transparent;
}

@media (max-width: 1180px) {
  .nav-links,
  .nav-inner > .lang-picker {
    display: none;
  }

  .hamburger {
    display: flex;
    flex-direction: column;
    margin-left: auto;
    position: relative;
    z-index: 101;
  }
}

@media (max-width: 768px) {
  .nav-transparent:not(.is-scrolled) .nav-brand a {
    font-size: min(2.25rem, 8vw);
  }

  /* On phones the hamburger stays pinned to the top right corner —
     only the name rides at the hero midline */
  .nav-transparent .hamburger {
    position: fixed;
    top: 19px;
    right: var(--gutter);
    z-index: 101;
  }

  .nav-transparent .hamburger.open span {
    background-color: var(--near-black);
  }
}

/* ============================================
   FOOTER — tight columns, newsletter, watermark
   ============================================ */

.footer {
  width: 100%;
  margin-top: var(--space-2xl);
  padding: var(--space-lg) 0 var(--space-sm);
  background-color: var(--accent); /* her steel blue */
  font-family: var(--font-sans);
  overflow: hidden;
}

.footer-inner {
  padding-inline: var(--gutter);
}

.footer-grid {
  display: grid;
  grid-template-columns: max-content max-content max-content max-content 1fr;
  gap: var(--space-lg2);
  margin-bottom: var(--space-md);
}

.footer-news {
  justify-self: end;
  width: min(24rem, 100%);
}

/* On small screens the newsletter spans the full width across the columns */
@media (max-width: 900px) {
  .footer-news {
    grid-column: 1 / -1;
    justify-self: stretch;
    width: 100%;
    margin-top: var(--space-md);
  }
}

.footer-heading {
  font-size: var(--text-label);
  color: #2c3a55;
  margin: 0 0 var(--space-xs);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--space-2xs);
}

.footer-col a {
  font-size: var(--text-sans);
  color: var(--accent-deep);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color var(--dur-fast) var(--ease), text-decoration-color var(--dur-fast) var(--ease);
}

.footer-col a:hover {
  color: var(--accent-deep);
  text-decoration-color: var(--accent-deep);
}

/* Newsletter signup */
.footer-news-title {
  font-family: var(--font-serif);
  font-size: var(--text-lede);
  font-weight: 300;
  letter-spacing: 0.01em;
  color: var(--accent-deep);
  margin: 0 0 var(--space-sm);
}

.footer-news-row {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

/* On small screens the field takes the full row — unmistakably an input */
@media (max-width: 600px) {
  .footer-news-row input {
    flex: 1 1 100%;
  }
}

.footer-news-row input {
  flex: 1;
  min-width: 0;
  padding: 0.6em 1.1em;
  background: transparent;
  border: 1px solid rgba(29, 36, 64, 0.45);
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: var(--text-sans);
  color: var(--accent-deep);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease);
}

.footer-news-row input::placeholder {
  color: #2c3a55;
}

.footer-news-row input:focus {
  border-color: var(--accent-deep);
}

.footer-news-row .btn {
  border-color: var(--accent-deep);
  color: var(--accent-deep);
  background: transparent;
  white-space: nowrap;
}

.footer-news-row .btn:hover {
  background: var(--accent-deep);
  color: #f6f6f4;
  border-color: var(--accent-deep);
}

/* The name as a large, faint watermark */
.footer-watermark {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(3rem, 7.6vw, 9.5rem);
  line-height: 1;
  letter-spacing: 0.01em;
  white-space: nowrap;
  text-align: center;
  color: #2a4b5a; /* deep teal, plainly visible like the reference */
  margin: var(--space-lg) 0 var(--space-lg);
  user-select: none;
  pointer-events: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
}

.footer-bottom p {
  font-size: var(--text-caption);
  color: #2c3a55;
  margin: 0;
}

/* Current language in the footer's language column stays underlined */
.footer-col a.active {
  text-decoration-color: var(--accent-deep);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-watermark {
    font-size: clamp(2rem, 9vw, 3rem);
  }
}

/* Quiet nav never shows a border line, on any page */
.nav.nav--quiet,
.nav-transparent.is-scrolled.nav--quiet {
  border-color: transparent;
}

/* The home nav never draws a border line — the veil is separation enough */
.nav-transparent,
.nav-transparent.is-scrolled {
  border-color: transparent;
}

/* With the menu open, the invisible bar must not swallow taps —
   the nav sits above the overlay (z-index) and covered the links
   at its height. Only the hamburger stays interactive. */
.nav-brand {
  transition: opacity var(--dur-med) var(--ease);
}

.menu-open .nav-brand {
  opacity: 0;
}

.menu-open .nav {
  pointer-events: none;
}

.menu-open .nav .hamburger {
  pointer-events: auto;
}