:root {
  --navy: #071927;
  --ink: #13212a;
  --paper: #f2efe8;
  --white: #fbfaf6;
  --line: rgba(19, 33, 42, .2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Arial, Helvetica, sans-serif; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }

.site-header {
  height: 108px;
  padding: 0 clamp(24px, 5vw, 82px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--white);
  background: var(--navy);
  position: relative;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 13px; }
.brand-mark { font: 64px/.8 Georgia, serif; }
.brand strong { display: block; font-size: 21px; letter-spacing: .24em; }
.brand small { display: block; margin-top: 9px; font-size: 9px; letter-spacing: .31em; }
.story-link { min-width: 215px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.55); font-size: 13px; font-weight: 700; letter-spacing: .3em; display: flex; justify-content: space-between; }

.hero { min-height: calc(100svh - 108px); position: relative; overflow: hidden; color: var(--white); background: #23313b; }
.hero-image, .hero-shade { position: absolute; inset: 0; }
.hero-image-desktop { background: url("hero-1928-2028.png") center center / cover no-repeat; filter: grayscale(1); transform: scale(1.003); }
.hero-image-mobile { display: none; }
.hero-shade { background: linear-gradient(90deg, rgba(5,15,24,.24), rgba(5,15,24,.06) 52%, rgba(5,15,24,.18)), linear-gradient(0deg, rgba(4,15,24,.88), transparent 58%); }
.hero-copy { position: absolute; left: clamp(26px, 7vw, 112px); right: 30px; bottom: clamp(115px, 16vh, 170px); }
.eyebrow, .section-index { font-size: 12px; font-weight: 700; letter-spacing: .28em; }
.eyebrow span { margin-left: 28px; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 960px; margin-bottom: 0; font-size: clamp(68px, 8.5vw, 138px); line-height: .82; letter-spacing: -.07em; }
h1 em, h2 em { font-family: Georgia, serif; font-weight: 400; }
.hero-footer { position: absolute; left: clamp(26px, 5vw, 82px); right: clamp(26px, 5vw, 82px); bottom: 31px; display: flex; justify-content: space-between; font-size: 11px; font-weight: 700; letter-spacing: .29em; }
.hero-footer a span { font-size: 24px; vertical-align: -3px; margin-left: 18px; }

.section { padding: clamp(78px, 10vw, 150px) clamp(25px, 7vw, 112px); }
.section-index { color: #6e777c; }
.intro-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: 10vw; align-items: end; margin-top: 70px; }
.intro h2, .moments h2 { font: 400 clamp(54px, 7vw, 108px)/.93 Georgia, serif; letter-spacing: -.045em; margin-bottom: 0; }
.intro-grid p { font: 18px/1.7 Georgia, serif; }
.intro-grid .lead { font-size: 27px; line-height: 1.45; }

.image-story { min-height: 82vh; position: relative; color: white; overflow: hidden; }
.image-story img { position: absolute; inset: 0; height: 100%; object-fit: cover; filter: grayscale(.25); }
.image-story::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,15,24,.82), transparent 58%); }
.image-caption { position: absolute; z-index: 1; left: clamp(25px, 7vw, 112px); bottom: 72px; }
.image-caption span { font-size: 11px; font-weight: 700; letter-spacing: .26em; }
.image-caption h2 { margin: 22px 0 0; font: 400 clamp(50px, 7vw, 105px)/.95 Georgia, serif; }

.era { background: var(--paper); color: var(--ink); }
.era-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 4vw, 66px); }
.era-panel { min-width: 0; }
.era-visual { aspect-ratio: 600 / 630; position: relative; overflow: hidden; background: #cad0d2; }
.era-visual img { position: absolute; top: 0; width: 200%; max-width: none; height: 100%; object-fit: fill; filter: grayscale(1); }
.era-panel-1928 .era-visual img { left: 0; }
.era-panel-2028 .era-visual img { left: -100%; }
.era-visual::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(0deg, rgba(4,15,24,.48), transparent); }
.year { position: absolute; z-index: 1; left: clamp(24px, 4vw, 64px); bottom: clamp(24px, 4vw, 56px); color: white; font-size: clamp(82px, 10vw, 168px); font-weight: 700; letter-spacing: -.075em; line-height: .8; }
.era-content { padding: 42px 6px 0; }
.era .section-index { color: #697b88; }
.era h3 { max-width: 760px; font: 400 clamp(38px, 4vw, 66px)/1.05 Georgia, serif; margin: 38px 0 24px; }
.era article > .era-content > p:last-child { max-width: 580px; font: 17px/1.7 Georgia, serif; color: #4d5a62; }

.aircraft-feature { min-height: 86vh; position: relative; color: white; overflow: hidden; }
.aircraft-media { position: absolute; inset: 0; overflow: hidden; }
.aircraft-media img { height: 100%; object-fit: cover; }
.aircraft-feature::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,15,24,.9), rgba(4,15,24,.18) 68%); }
.aircraft-copy { position: relative; z-index: 1; width: min(630px, 80vw); padding: clamp(80px, 9vw, 140px) 0 80px clamp(25px, 7vw, 112px); }
.aircraft-copy .section-index { color: #cbd3d7; }
.aircraft-copy h2 { font: 400 clamp(53px, 6.4vw, 100px)/.92 Georgia, serif; margin: 72px 0 40px; }
.aircraft-copy > p:last-child { max-width: 520px; font-size: 17px; line-height: 1.75; }

.moments-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(350px, 1.1fr); gap: 7vw; align-items: center; margin-top: 70px; }
.moment-photo img { aspect-ratio: 2/3; object-fit: cover; }
.moment-copy h2 { font-size: clamp(48px, 6.2vw, 92px); }
.moment-copy p { max-width: 630px; margin: 42px 0; font: 20px/1.65 Georgia, serif; }
blockquote { margin: 70px 0 0; border-top: 1px solid var(--line); padding-top: 28px; font: italic 32px/1.3 Georgia, serif; }

.closing { min-height: 78vh; display: grid; place-items: center; text-align: center; color: white; background: linear-gradient(rgba(4,15,24,.45), rgba(4,15,24,.88)), url("hero-1928-2028.png") center / cover; filter: grayscale(1); }
.closing > div { filter: grayscale(0); padding: 70px 24px; }
.closing .section-index { color: #d5dade; }
.closing h2 { font: 400 clamp(56px, 7vw, 108px)/.92 Georgia, serif; margin: 58px 0 70px; }
.closing a { display: inline-block; padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,.6); font-size: 11px; font-weight: 700; letter-spacing: .26em; }
footer { min-height: 110px; padding: 28px clamp(25px, 5vw, 82px); display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #9ca6ad; background: var(--navy); font-size: 9px; letter-spacing: .19em; }

@media (max-width: 700px) {
  .site-header { height: 92px; padding: 0 20px; }
  .brand { gap: 9px; }
  .brand-mark { font-size: 52px; }
  .brand strong { font-size: 15px; }
  .brand small { font-size: 6px; margin-top: 7px; }
  .story-link { min-width: 112px; font-size: 10px; letter-spacing: .22em; }
  .hero { min-height: calc(100svh - 92px); }
  .hero-image-desktop { display: none; }
  .hero-image-mobile { display: grid; grid-template-columns: 1fr 1fr; position: absolute; inset: 0 0 auto; height: 62%; background: #687079; }
  .portrait { overflow: hidden; position: relative; }
  .portrait img { height: 100%; width: 100%; object-fit: cover; filter: grayscale(1); }
  .portrait-1928 img { object-position: 25% 50%; }
  .portrait-2028 img { object-position: 75% 50%; }
  .hero-shade { background: linear-gradient(0deg, rgba(4,15,24,.98) 5%, rgba(4,15,24,.78) 38%, rgba(4,15,24,.04) 72%); }
  .hero-copy { left: 24px; right: 20px; bottom: 104px; }
  .eyebrow { font-size: 9px; letter-spacing: .23em; }
  .eyebrow span { margin-left: 14px; }
  h1 { font-size: clamp(48px, 15.8vw, 70px); line-height: .89; letter-spacing: -.065em; }
  .hero-footer { left: 24px; right: 20px; bottom: 25px; font-size: 8px; letter-spacing: .2em; }
  .hero-footer a span { font-size: 17px; margin-left: 6px; }
  .intro-grid, .era-grid, .moments-grid { grid-template-columns: 1fr; }
  .intro-grid { gap: 48px; margin-top: 48px; }
  .intro h2, .moments h2 { font-size: 50px; }
  .intro-grid .lead { font-size: 23px; }
  .image-story { min-height: 70vh; }
  .image-story img { object-position: 55% center; }
  .image-caption { left: 24px; bottom: 40px; }
  .image-caption h2 { font-size: 48px; max-width: 90%; }
  .era-grid { gap: 72px; }
  .era-visual { aspect-ratio: 600 / 630; }
  .year { left: 20px; bottom: 26px; font-size: 92px; }
  .era-content { padding: 30px 0 0; }
  .era h3 { font-size: 43px; margin: 28px 0 20px; }
  .aircraft-feature { min-height: 650px; background: var(--navy); }
  .aircraft-media { height: 355px; bottom: auto; }
  .aircraft-media img { object-position: 61% 72%; transform: scale(1.46); transform-origin: 61% 74%; }
  .aircraft-feature::after { background: linear-gradient(0deg, rgba(4,15,24,1) 14%, rgba(4,15,24,.98) 48%, rgba(4,15,24,.1) 73%); }
  .aircraft-copy { position: absolute; left: 0; bottom: 0; width: 100%; padding: 44px 24px 34px; }
  .aircraft-copy .section-index { font-size: 9px; line-height: 1.5; }
  .aircraft-copy h2 { margin: 24px 0 22px; font-size: 47px; line-height: .9; }
  .aircraft-copy > p:last-child { font-size: 16px; line-height: 1.58; }
  .moments-grid { gap: 52px; margin-top: 50px; }
  .moment-photo img { aspect-ratio: 4/5; }
  blockquote { margin-top: 52px; font-size: 28px; }
  .closing { min-height: 700px; background-position: center; }
  .closing h2 { font-size: 54px; }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}