/* ============================================
   DAKOTA 15 WING — Editorial Archival Museum
   ============================================ */

:root {
  --paper: #f1e9d8;
  --paper-2: #e8dfc9;
  --paper-3: #d9cfb6;
  --ink: #0e3a6b;          /* aviation blue — flight-deck / aerodrome beacon */
  --ink-2: #164d85;
  --ink-soft: #3a3a3a;
  --red: #a94633;
  --red-soft: #c26758;
  --gold: #b08a3e;
  --rule: #2a2418;
  --rule-soft: rgba(23, 36, 59, 0.18);
  --rule-hair: rgba(23, 36, 59, 0.1);

  --serif-display: "DM Serif Display", "Source Serif 4", Georgia, serif;
  --serif-body: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --sans: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

html, body { overflow-x: hidden; max-width: 100%; }
img, svg, iframe, video { max-width: 100%; }

body {
  /* subtle paper texture using layered gradients */
  background:
    radial-gradient(1200px 800px at 10% 0%, rgba(176, 137, 62, 0.06), transparent 60%),
    radial-gradient(900px 700px at 90% 30%, rgba(169, 70, 51, 0.04), transparent 60%),
    repeating-linear-gradient(0deg, rgba(23, 36, 59, 0.015) 0 1px, transparent 1px 3px),
    var(--paper);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: var(--ink); color: var(--paper); }

/* =========== Typography =========== */
.display {
  font-family: var(--serif-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.95;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.7;
}

.meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.caption {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.65;
}

/* =========== Layout =========== */
.shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 48px;
}
@media (max-width: 900px) {
  .shell { padding: 0 24px; }
}
@media (max-width: 480px) {
  .shell { padding: 0 16px; }
}

.rule {
  height: 1px;
  background: var(--rule-soft);
  width: 100%;
}
.rule-strong { background: var(--ink); opacity: 0.8; }

.hairline { border-top: 1px solid var(--rule-hair); }

/* =========== Nav =========== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 2px solid var(--rule);
  backdrop-filter: blur(6px);
}
.nav-top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(241, 233, 216, 0.15);
}
.nav-bottom {
  display: flex;
  justify-content: safe center;
  align-items: center;
  gap: 0;
  padding: 0;
  overflow-x: auto;
  scroll-padding-left: 16px;
}
.nav-bottom::-webkit-scrollbar { display: none; }
.nav-bottom { scrollbar-width: none; }
.nav-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 8px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  color: var(--paper);
  padding: 0;
}
.brand-mark {
  width: 88px; height: 88px;
  display: grid; place-items: center;
  color: var(--paper);
  flex-shrink: 0;
  /* lift slightly so the logo sits visually on the wordmark baseline */
  margin-top: -2px;
}
.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.brand-text {
  line-height: 1;
  color: var(--paper);
}
.brand-text .top {
  font-family: var(--serif-display);
  font-size: 21px;
  letter-spacing: 0.02em;
  color: var(--paper);
}
.brand-text .bot {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.65;
  margin-top: 4px;
  color: var(--paper);
}

.nav-links {
  display: flex;
  gap: 0;
  justify-content: safe center;
  align-items: center;
  width: 100%;
  white-space: nowrap;
}
.nav-link {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--paper);
  position: relative;
  padding: 18px 20px;
  cursor: pointer;
  transition: all 0.2s;
  opacity: 0.8;
  border-right: 1px solid rgba(241, 233, 216, 0.12);
  flex-shrink: 0;
}
.nav-link:first-child { border-left: 1px solid rgba(241, 233, 216, 0.12); }
.nav-link:hover {
  opacity: 1;
  background: rgba(241, 233, 216, 0.08);
}
.nav-link.active {
  opacity: 1;
  background: var(--paper);
  color: var(--ink);
}
.nav-link.active::after { display: none; }
@media (max-width: 1400px) {
  .nav-link { padding: 16px 16px; font-size: 18px; letter-spacing: 0.08em; }
}
@media (max-width: 1100px) {
  .nav-bottom { justify-content: flex-start; }
  .nav-link { padding: 14px 14px; font-size: 16px; letter-spacing: 0.06em; }
}
@media (max-width: 700px) {
  .nav-top { grid-template-columns: 1fr auto; gap: 12px; padding: 8px 0; }
  .brand-mark { width: 52px; height: 52px; margin-top: 0; }
  .brand-text .top { font-size: 16px; }
  .brand-text .bot { font-size: 9px; letter-spacing: 0.18em; }
  .nav-right { gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
  .lang-toggle { font-size: 10px; }
  .lang-toggle button { padding: 4px 5px; }
  .nav-cta { font-size: 11px; padding: 6px 10px; }
  .nav-link { padding: 12px 12px; font-size: 13px; }
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--paper);
}
.lang-toggle {
  display: flex;
  gap: 2px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.lang-toggle button {
  padding: 6px 8px;
  color: var(--paper);
  opacity: 0.55;
  transition: opacity 0.2s;
}
.lang-toggle button:hover { opacity: 0.95; }
.lang-toggle button.on {
  opacity: 1;
  border-bottom: 1px solid var(--paper);
}

.nav-cta {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 14px;
  background: var(--paper);
  color: var(--ink);
  transition: background 0.2s, color 0.2s;
}
.nav-cta:hover { background: var(--red); color: var(--paper); }

/* =========== Buttons =========== */
.btn {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 24px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.25s;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--red); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn svg { width: 14px; height: 14px; }

/* =========== Hero =========== */
.hero {
  position: relative;
  padding: 40px 0 80px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.hero-photo {
  position: relative;
  aspect-ratio: 21 / 9;
  background: var(--ink);
  overflow: hidden;
  border: 1px solid var(--ink);
}
.hero-photo-inner {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg, rgba(241, 233, 216, 0.04) 0 2px, transparent 2px 8px),
    radial-gradient(ellipse at 30% 50%, rgba(241, 233, 216, 0.08), transparent 70%),
    linear-gradient(180deg, #0e1828 0%, #17243b 60%, #1f2e49 100%);
}
.hero-photo .caption-tag {
  position: absolute;
  bottom: 20px;
  left: 20px;
  color: var(--paper);
  opacity: 0.7;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.hero-photo .caption-tag::before {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  background: var(--paper);
  opacity: 0.5;
}
.hero-photo .ref-tag {
  position: absolute;
  top: 20px;
  right: 24px;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.55;
}

.hero-title {
  font-family: var(--serif-display);
  font-size: clamp(56px, 11vw, 180px);
  line-height: 0.88;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}
.hero-title .red { color: var(--red); font-style: italic; }

.hero-meta-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--ink);
  margin-top: 28px;
}
.hero-meta-row .col h4 {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 10px;
  opacity: 0.6;
}
.hero-meta-row .col p {
  margin: 0;
  font-family: var(--serif-body);
  font-size: 15px;
  line-height: 1.5;
}
@media (max-width: 900px) {
  .hero-meta-row {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}
@media (max-width: 600px) {
  .hero { padding: 24px 0 48px; }
  .hero-title { font-size: clamp(40px, 13vw, 64px); }
  .hero-photo { aspect-ratio: 16 / 11; }
}

/* =========== Section =========== */
.section {
  padding: 100px 0;
  position: relative;
}
.section-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 40px;
  margin-bottom: 60px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ink);
}
.section-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink);
  opacity: 0.6;
}
.section-title {
  font-family: var(--serif-display);
  font-size: clamp(40px, 6vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0;
}
.section-title em { color: var(--red); font-style: italic; }
.section-aside {
  max-width: 320px;
  font-family: var(--serif-body);
  font-size: 14px;
  line-height: 1.55;
  opacity: 0.8;
  text-align: right;
}
@media (max-width: 900px) {
  .section-head { grid-template-columns: 1fr; gap: 12px; }
  .section-aside { text-align: left; max-width: none; }
}

/* =========== Aircraft cards =========== */
.aircraft-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
}
.aircraft-grid.single { grid-template-columns: 1fr; }
.aircraft-grid.catalog { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1100px) {
  .aircraft-grid.catalog { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .aircraft-grid, .aircraft-grid.catalog { grid-template-columns: 1fr; }
}

.aircraft-card {
  background: var(--paper);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
  min-height: 380px;
}
.aircraft-card:hover { background: var(--paper-2); }
.aircraft-card .card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.aircraft-card .card-idx {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink);
  opacity: 0.5;
}
.aircraft-card .card-years {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--ink);
  opacity: 0.7;
}
.aircraft-card .blueprint {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 12px 0;
  min-height: 140px;
}
.aircraft-card .blueprint svg {
  width: 100%;
  height: auto;
  max-height: 180px;
}
.aircraft-card .card-name {
  font-family: var(--serif-display);
  font-size: 36px;
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin: 0;
}
.aircraft-card .card-sub {
  font-family: var(--serif-body);
  font-size: 14px;
  font-style: italic;
  opacity: 0.75;
  margin: 4px 0 0;
}
.aircraft-card .card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.75;
}

/* =========== Timeline =========== */
.timeline {
  position: relative;
  padding: 40px 0;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 1px;
  background: var(--ink);
  opacity: 0.3;
}
.timeline-track {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  position: relative;
}
.timeline-item {
  position: relative;
  padding: 0 4px;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--red);
  transform: translate(-4px, -50%);
  border: 2px solid var(--paper);
}
.timeline-year {
  font-family: var(--serif-display);
  font-size: 30px;
  line-height: 1;
  margin: 0 0 8px;
  color: var(--ink);
}
.timeline-item.above .timeline-body { margin-bottom: 80px; }
.timeline-item.below .timeline-body { margin-top: 80px; }
.timeline-body h4 {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 0 0 4px;
}
.timeline-body p {
  font-family: var(--serif-body);
  font-size: 13px;
  line-height: 1.5;
  opacity: 0.8;
  margin: 0;
}
@media (max-width: 900px) {
  .timeline::before { display: none; }
  .timeline-track { grid-template-columns: 1fr; gap: 40px; }
  .timeline-item.above .timeline-body,
  .timeline-item.below .timeline-body { margin: 0; }
  .timeline-item { padding-left: 20px; border-left: 1px solid var(--ink); }
  .timeline-item::before { left: 0; top: 8px; transform: translate(-5px, 0); }
}

/* =========== Mission / Story card =========== */
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 900px) {
  .story-grid { grid-template-columns: 1fr; }
}
.story-photo {
  aspect-ratio: 4 / 5;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.story-photo-inner {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(135deg, rgba(241, 233, 216, 0.03) 0 2px, transparent 2px 10px),
    linear-gradient(200deg, #1f2e49 0%, #17243b 60%, #0e1828 100%);
}
.story-photo .caption-tag {
  position: absolute;
  bottom: 20px;
  left: 24px;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.7;
}
.story-body h3 {
  font-family: var(--serif-display);
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1;
  letter-spacing: -0.01em;
  margin: 16px 0 24px;
}
.story-body p {
  font-size: 16px;
  line-height: 1.65;
  margin: 0 0 16px;
}
.story-body .lead::first-letter {
  font-family: var(--serif-display);
  font-size: 64px;
  line-height: 0.8;
  float: left;
  margin: 6px 10px 0 0;
  color: var(--red);
}

/* =========== Missions list =========== */
.missions-list {
  border-top: 1px solid var(--ink);
}
.mission-row {
  display: grid;
  grid-template-columns: 80px 1fr 2fr 1fr 40px;
  gap: 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: center;
  transition: background 0.2s;
  cursor: pointer;
}
.mission-row:hover { background: var(--paper-2); padding-left: 16px; padding-right: 16px; }
.mission-row .yr {
  font-family: var(--serif-display);
  font-size: 28px;
}
.mission-row .op {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.7;
}
.mission-row .desc {
  font-family: var(--serif-body);
  font-size: 16px;
}
.mission-row .loc {
  font-family: var(--sans);
  font-size: 13px;
  opacity: 0.75;
  letter-spacing: 0.02em;
}
.mission-row .arrow {
  justify-self: end;
  font-family: var(--serif-display);
  font-size: 22px;
  opacity: 0.5;
  transition: transform 0.2s;
}
.mission-row:hover .arrow { transform: translateX(4px); opacity: 1; }
@media (max-width: 900px) {
  .mission-row { grid-template-columns: 60px 1fr; row-gap: 4px; }
  .mission-row .desc, .mission-row .loc { grid-column: 2; }
  .mission-row .arrow { display: none; }
}

/* =========== Magazine =========== */
.mag-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 1000px) { .mag-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .mag-grid { grid-template-columns: 1fr; } }
.mag-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  cursor: pointer;
}
.mag-cover {
  aspect-ratio: 3 / 4;
  background: var(--ink);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s;
}
.mag-card:hover .mag-cover { transform: translateY(-4px); }
.mag-cover-inner {
  position: absolute; inset: 0;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--paper);
}
.mag-cover-inner.red { background: var(--red); }
.mag-cover-inner.navy { background: var(--ink); }
.mag-cover-inner.cream { background: var(--paper-3); color: var(--ink); }
.mag-cover-title {
  font-family: var(--serif-display);
  font-size: 20px;
  line-height: 1;
}
.mag-cover-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
}
.mag-cover-silhouette {
  position: absolute;
  inset: 20% 10%;
  opacity: 0.3;
}
.mag-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.7;
}
.mag-title {
  font-family: var(--serif-body);
  font-size: 15px;
  line-height: 1.4;
  margin: 0;
}

/* =========== Visit page =========== */
.visit-hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  padding: 40px 0 60px;
}
@media (max-width: 900px) { .visit-hero { grid-template-columns: 1fr; } }
.visit-hero .headline {
  font-family: var(--serif-display);
  font-size: clamp(48px, 8vw, 120px);
  line-height: 0.88;
  letter-spacing: -0.02em;
  margin: 0;
}
.visit-hero .headline em { color: var(--red); font-style: italic; }

.hours-card {
  background: var(--ink);
  color: var(--paper);
  padding: 40px;
}
.hours-card h3 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 24px;
  opacity: 0.7;
}
.hours-list {
  display: grid;
  gap: 14px;
}
.hours-row {
  display: grid;
  grid-template-columns: 1fr auto;
  font-family: var(--serif-body);
  font-size: 15px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(241, 233, 216, 0.15);
}
.hours-row:last-child { border: none; }
.hours-row .day { opacity: 0.9; }
.hours-row .time { font-family: var(--mono); font-size: 13px; opacity: 0.9; }
.hours-row.closed .time { color: var(--red-soft); }

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
  margin: 60px 0;
}
@media (max-width: 900px) { .info-grid { grid-template-columns: 1fr; } }
.info-cell {
  background: var(--paper);
  padding: 40px 32px;
}
.info-cell h4 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 16px;
  opacity: 0.6;
}
.info-cell p {
  font-family: var(--serif-body);
  font-size: 17px;
  line-height: 1.5;
  margin: 0;
}

/* Map */
.map-frame {
  position: relative;
  aspect-ratio: 16 / 7;
  background: var(--ink);
  border: 1px solid var(--ink);
  overflow: hidden;
}
.map-frame svg { width: 100%; height: 100%; display: block; }

/* =========== Support / Donate =========== */
.support-hero {
  padding: 40px 0 60px;
}
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
}
@media (max-width: 900px) { .projects-grid { grid-template-columns: 1fr; } }
.project-card {
  background: var(--paper);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.project-card h3 {
  font-family: var(--serif-display);
  font-size: 36px;
  line-height: 1;
  margin: 12px 0;
}
.project-card p {
  font-family: var(--serif-body);
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
  opacity: 0.85;
}
.progress-bar {
  height: 4px;
  background: var(--rule-soft);
  position: relative;
  overflow: hidden;
}
.progress-bar .fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: var(--red);
}
.progress-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.donate-tiers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 40px 0 0;
}
@media (max-width: 800px) { .donate-tiers { grid-template-columns: repeat(2, 1fr); } }
.tier {
  border: 1px solid var(--ink);
  padding: 24px 20px;
  background: var(--paper);
  cursor: pointer;
  transition: all 0.2s;
}
.tier:hover, .tier.sel {
  background: var(--ink);
  color: var(--paper);
}
.tier .amount {
  font-family: var(--serif-display);
  font-size: 36px;
  line-height: 1;
  margin-bottom: 6px;
}
.tier .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* =========== Footer =========== */
.footer {
  background: var(--ink);
  color: var(--paper);
  padding: 80px 0 40px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(241, 233, 216, 0.15);
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer h5 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.65;
  margin: 0 0 16px;
}
.footer .ft-brand .mark-big {
  font-family: var(--serif-display);
  font-size: 40px;
  margin: 0 0 8px;
}
.footer .ft-brand p {
  opacity: 0.75;
  line-height: 1.55;
  font-size: 14px;
  max-width: 360px;
  margin: 0;
}
.footer a { display: block; padding: 4px 0; opacity: 0.85; transition: opacity 0.2s; }
.footer a:hover { opacity: 0.5; }
.footer-bot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* =========== Reveal animations =========== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.9s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.reveal.in { opacity: 1; transform: none; }

/* =========== Blueprint treatments =========== */
.blueprint-wrap {
  position: relative;
  border: 1px solid var(--rule-soft);
  padding: 30px;
  background:
    linear-gradient(to right, var(--rule-hair) 1px, transparent 1px) 0 0/40px 40px,
    linear-gradient(to bottom, var(--rule-hair) 1px, transparent 1px) 0 0/40px 40px,
    var(--paper);
}
.blueprint-wrap .corner {
  position: absolute;
  width: 8px; height: 8px;
  border: 1px solid var(--ink);
  opacity: 0.5;
}
.blueprint-wrap .corner.tl { top: -4px; left: -4px; border-right: none; border-bottom: none; }
.blueprint-wrap .corner.tr { top: -4px; right: -4px; border-left: none; border-bottom: none; }
.blueprint-wrap .corner.bl { bottom: -4px; left: -4px; border-right: none; border-top: none; }
.blueprint-wrap .corner.br { bottom: -4px; right: -4px; border-left: none; border-top: none; }

/* =========== Tweaks Panel =========== */
.tweaks-panel {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 20px;
  width: 280px;
  z-index: 100;
  box-shadow: 0 20px 60px rgba(23, 36, 59, 0.15);
  font-family: var(--sans);
}
.tweaks-panel h3 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 14px;
  opacity: 0.7;
}
.tweaks-panel .swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}
.tweaks-panel .sw {
  aspect-ratio: 1;
  border: 1px solid var(--rule-soft);
  cursor: pointer;
  transition: transform 0.2s;
}
.tweaks-panel .sw:hover { transform: scale(1.08); }
.tweaks-panel .sw.on { outline: 2px solid var(--red); outline-offset: 2px; }
.tweaks-panel .lbl {
  font-size: 11px;
  opacity: 0.7;
}

/* Scrolling pills/tags */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 5px 10px;
  border: 1px solid var(--rule-soft);
  color: var(--ink);
  opacity: 0.8;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* Aircraft detail stats */
.specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
  margin-top: 20px;
}
.specs .spec {
  padding: 14px 16px 14px 0;
  border-right: 1px solid var(--rule-soft);
}
.specs .spec:last-child { border-right: none; }
.spec .k {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 4px;
}
.spec .v {
  font-family: var(--serif-display);
  font-size: 20px;
  line-height: 1;
}
@media (max-width: 700px) { .specs { grid-template-columns: repeat(2, 1fr); } }

/* page transitions */
.page { animation: fadeUp 0.6s cubic-bezier(0.2, 0.6, 0.2, 1); }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* subtle star/rosette ornaments */
.rosette {
  display: inline-block;
  width: 14px; height: 14px;
  background: var(--red);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  vertical-align: middle;
  margin: 0 6px;
}

/* =========== Mobile overrides (must be last to win source-order) =========== */
@media (max-width: 560px) {
  .footer { padding: 56px 0 32px; margin-top: 56px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 40px; }
  .footer .ft-brand img { width: 120px !important; height: 120px !important; margin-bottom: 12px !important; }
  .footer .ft-brand .mark-big { font-size: 32px; }
  .footer-bot { flex-direction: column; gap: 10px; align-items: flex-start; text-align: left; }
  .footer a { word-break: break-word; overflow-wrap: anywhere; }
}
@media (max-width: 700px) {
  .hours-card { padding: 28px 20px; }
  .info-cell { padding: 28px 20px; }
  .project-card { padding: 28px 20px; }
  .aircraft-card { padding: 24px 20px; min-height: 0; }
  .aircraft-card .card-name { font-size: 28px; }
  .section { padding: 60px 0; }
  .section-head { margin-bottom: 32px; }
}