/* ============================================================
   Women in World War II — Fortitude Research
   Static site stylesheet, v3 — ivory white, grid, modern editorial
   ============================================================ */

:root {
  /* Fortitude exact palette — hex codes from Erin's brand kit */
  --color-bg: #FFFFFF;             /* Pure white */
  --color-bg-soft: #FAFAFA;        /* Off-white (lightest) */
  --color-bg-light: #E4E4E4;       /* Light gray */
  --color-bg-dark: #1C1C1C;        /* Charcoal */
  --color-bg-banner: #000000;      /* Pure black */
  --color-text: #1C1C1C;           /* Body text = charcoal */
  --color-text-on-dark: #FFFFFF;
  --color-text-soft: #4a4a4a;
  --color-text-mute: #767676;
  --color-text-light: #B0B0B0;
  --color-rule: #E4E4E4;
  --color-rule-light: #ECECEC;
  --color-accent: #1C1C1C;

  --font-display: "Libre Baskerville", Georgia, "Times New Roman", serif;
  --font-body: "Average Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-ui: "Almarai", "Average Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --max-content: 1240px;
  --max-prose: 720px;
  --max-wide: 920px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: opacity 0.15s ease, border-color 0.15s ease;
}
a:hover, a:focus-visible { opacity: 0.6; }

img {
  max-width: 100%;
  display: block;
  height: auto;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-text);
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

/* ============================================================
   Site Navigation (mirrors Fortitude menu)
   ============================================================ */

.site-nav {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-rule);
  position: relative;
  z-index: 10;
}

/* Hub page: nav floats over the full-bleed banner */
body.hub .site-nav {
  background: transparent;
  border-bottom: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
}
body.hub .site-nav .nav-menu a:not(.contact-pill) { color: #ffffff; }
body.hub .site-nav .nav-menu a:not(.contact-pill):hover { opacity: 0.7; }
body.hub .site-nav .nav-toggle { color: #ffffff; }
body.hub .site-nav .nav-menu .contact-pill {
  border-color: #ffffff;
  color: #ffffff;
}
body.hub .site-nav .nav-menu .contact-pill:hover {
  background: #ffffff;
  color: var(--color-bg-banner);
}
/* Submenu panels stay light even when the parent nav is over dark */
body.hub .site-nav .has-submenu .submenu a { color: var(--color-text); }
body.hub .site-nav .has-submenu .submenu a:hover { opacity: 1; }

.site-nav-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 26px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  border-bottom: none;
}
.site-logo:hover { border-bottom: none; opacity: 0.7; }
.site-logo img {
  max-height: 138px;
  width: auto;
}
.site-logo .text-mark {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu a {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-text);
  border-bottom: none;
  padding-bottom: 3px;
}
.nav-menu a:hover { opacity: 0.6; }
.nav-menu a.current { border-bottom: 1px solid currentColor; }

.nav-menu .youtube-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding-bottom: 0;
}
.nav-menu .youtube-link svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.nav-menu .contact-pill {
  display: inline-block;
  padding: 16px 38px;
  border: 1px solid var(--color-text);
  border-radius: 9999px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1;
  color: var(--color-text);
  background: transparent;
  transition: background 0.15s ease, color 0.15s ease;
}
.nav-menu .contact-pill:hover {
  background: var(--color-text);
  color: var(--color-bg);
  opacity: 1;
}

/* Dropdown submenus */
.nav-menu .has-submenu {
  position: relative;
}
.nav-menu .has-submenu .nav-parent {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.nav-menu .has-submenu .caret {
  font-size: 9px;
  position: relative;
  top: 1px;
  opacity: 0.7;
}
.nav-menu .has-submenu .submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: -16px;
  margin: 8px 0 0;
  padding: 14px 0;
  list-style: none;
  background: var(--color-bg);
  border: 1px solid var(--color-rule);
  min-width: 220px;
  box-shadow: 0 12px 24px -16px rgba(0,0,0,0.18);
  z-index: 20;
}
.nav-menu .has-submenu:hover .submenu,
.nav-menu .has-submenu:focus-within .submenu,
.nav-menu .has-submenu.open .submenu {
  display: block;
}
.nav-menu .has-submenu .submenu li {
  padding: 0;
  border: none;
}
.nav-menu .has-submenu .submenu a {
  display: block;
  padding: 8px 22px;
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text);
  border-bottom: none;
  padding-bottom: 8px;
  white-space: nowrap;
}
.nav-menu .has-submenu .submenu a:hover {
  opacity: 1;
  background: var(--color-bg-soft);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text);
  cursor: pointer;
  padding: 8px 0;
}

@media (max-width: 880px) {
  .nav-menu { display: none; }
  .nav-toggle { display: block; }
  .site-logo img { max-height: 84px; }
  .nav-menu.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 20px 40px 24px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-rule);
    z-index: 50;
  }
  .nav-menu.open li { width: 100%; padding: 8px 0; border-bottom: 1px solid var(--color-rule-light); }
  .nav-menu.open li:last-child { border-bottom: none; }

  .nav-menu.open .has-submenu .submenu {
    position: static;
    display: none;
    margin: 8px 0 0;
    padding: 0;
    border: none;
    box-shadow: none;
    background: transparent;
    min-width: 0;
  }
  .nav-menu.open .has-submenu.open .submenu { display: block; }
  .nav-menu.open .has-submenu .submenu li { padding: 0; border: none; }
  .nav-menu.open .has-submenu .submenu a {
    padding: 6px 0 6px 16px;
    font-size: 14px;
    color: var(--color-text-soft);
  }
}

/* ============================================================
   Banner Hero (full-width archival photo with overlay)
   ============================================================ */

.banner-hero {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-bg-banner);
  overflow: hidden;
}

.banner-hero .banner-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.88;
  filter: grayscale(1) contrast(1.05);
}

.banner-hero .banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,0.18) 0%,
    rgba(0,0,0,0.05) 30%,
    rgba(0,0,0,0.42) 55%,
    rgba(0,0,0,0.55) 100%
  );
}

.banner-hero .banner-content {
  position: absolute;
  z-index: 2;
  top: 55%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  padding: 0 40px;
  text-align: center;
  color: #fff;
}

.banner-hero h1 {
  color: #fff;
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 auto 28px;
  max-width: 1000px;
}

.banner-hero .tagline {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 400;
  color: #fff;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.3;
  margin: 0 auto;
  max-width: 720px;
  opacity: 0.95;
}

/* Placeholder treatment when no banner image present */
.banner-hero.no-image {
  background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
}
.banner-hero.no-image .banner-image { display: none; }
.banner-hero.no-image .banner-overlay { background: none; }

/* ============================================================
   Hub Intro (below banner, above grid)
   ============================================================ */

.hub-intro {
  max-width: var(--max-wide);
  margin: 80px auto 64px;
  padding: 0 40px;
  text-align: center;
}

.hub-intro .intro-text {
  font-size: 20px;
  line-height: 1.7;
  color: var(--color-text);
  margin: 0 auto 36px;
  max-width: var(--max-prose);
  text-align: left;
}

.cta-primary {
  display: inline-block;
  padding: 15px 28px;
  border: 1px solid var(--color-text);
  border-bottom: 1px solid var(--color-text);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: transparent;
}
.cta-primary:hover, .cta-primary:focus-visible {
  background: var(--color-text);
  color: var(--color-bg);
  opacity: 1;
}

.cta-secondary {
  display: inline-block;
  padding: 15px 28px;
  border: 1px solid var(--color-text);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: transparent;
  border-bottom: 1px solid var(--color-text);
}
.cta-secondary:hover { background: var(--color-text); color: var(--color-bg); opacity: 1; }

/* ============================================================
   Hub Grid (crisp modern editorial grid)
   ============================================================ */

.hub-grid {
  max-width: var(--max-content);
  margin: 0 auto 96px;
  padding: 0 40px;
}

.hub-grid-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-text);
  margin-bottom: 48px;
}
.hub-grid-header .label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text);
}
.hub-grid-header .count {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px 24px;
}

@media (max-width: 1100px) {
  .grid { grid-template-columns: repeat(3, 1fr); gap: 40px 28px; }
}
@media (max-width: 820px) {
  .grid { grid-template-columns: repeat(2, 1fr); gap: 36px 24px; }
}
@media (max-width: 540px) {
  .grid { grid-template-columns: 1fr; gap: 32px; }
}

.grid-item {
  display: block;
  text-decoration: none;
  color: inherit;
  border-bottom: none;
}
.grid-item:hover { opacity: 1; border-bottom: none; }

.grid-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-rule-light);
  margin-bottom: 16px;
  position: relative;
}
.grid-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(1) contrast(1.02);
  transition: transform 0.6s ease;
}
.grid-item:hover .grid-image img,
.grid-item:focus-visible .grid-image img {
  transform: scale(1.04);
}

.grid-meta {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}
.grid-meta .num { color: var(--color-text); }
.grid-meta .divider { color: var(--color-text-light); }

.grid-item h3 {
  font-size: 21px;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 6px;
  color: var(--color-text);
  letter-spacing: -0.005em;
}
.grid-item p {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--color-text-soft);
  margin: 0;
}

/* ============================================================
   Bottom CTA Block (Contact / Work With Me)
   ============================================================ */

.cta-block {
  max-width: var(--max-wide);
  margin: 0 auto 96px;
  padding: 64px 40px;
  border-top: 1px solid var(--color-text);
  border-bottom: 1px solid var(--color-text);
  text-align: center;
}

.cta-block .eyebrow {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--color-text-mute);
  margin-bottom: 28px;
}
.cta-block h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.012em;
  margin-bottom: 36px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.cta-block .buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   Child Page
   ============================================================ */

.child-hero {
  max-width: var(--max-content);
  margin: 56px auto 32px;
  padding: 0 40px;
}

.back-link {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  color: var(--color-text-mute);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 32px;
  border-bottom: none;
}
.back-link:hover { color: var(--color-text); opacity: 1; }
.back-link .arrow-back { margin-right: 6px; }

.child-hero h1 {
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 400;
  line-height: 1.05;
  margin-bottom: 40px;
  max-width: var(--max-wide);
  letter-spacing: -0.02em;
}

.child-hero-image {
  max-width: 560px;
  margin: 0 auto 14px;
  padding: 0 40px;
}
.child-hero-image img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(1);
}

.research-credit {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #8a8a8a;
  text-align: center;
  max-width: 1100px;
  margin: 36px auto 0;
  padding: 0 40px;
}
.research-credit a {
  color: #8a8a8a;
  border-bottom: 1px solid #d8d8d8;
}
.research-credit a:hover {
  color: var(--color-text);
}

.image-caption {
  font-size: 14px;
  font-style: italic;
  color: var(--color-text-soft);
  max-width: 560px;
  margin: 0 auto 4px;
  padding: 0 40px;
  line-height: 1.5;
  text-align: center;
}
.image-credit {
  font-family: var(--font-ui);
  font-size: 11px;
  color: var(--color-text-mute);
  max-width: 560px;
  margin: 0 auto 72px;
  padding: 0 40px;
  letter-spacing: 0.04em;
  line-height: 1.55;
  text-align: center;
}

.child-body {
  max-width: var(--max-prose);
  margin: 0 auto 72px;
  padding: 0 40px;
}
.child-body p {
  font-size: 20px;
  line-height: 1.7;
  margin: 0 0 24px;
}

.bios-section {
  max-width: var(--max-wide);
  margin: 80px auto 80px;
  padding: 0 40px;
}
.bios-section .section-label { display: none; }

.bios-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px 48px;
}
@media (max-width: 720px) {
  .bios-grid { grid-template-columns: 1fr; gap: 44px; }
}

.bio {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.bio h3 {
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 6px;
  letter-spacing: -0.005em;
  line-height: 1.2;
}
.bio .years {
  font-family: var(--font-ui);
  font-style: normal;
  color: var(--color-text-mute);
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.bio .role {
  font-size: 16px;
  color: var(--color-text-soft);
  font-style: italic;
  margin-bottom: 14px;
  line-height: 1.4;
}
.bio p.bio-text {
  font-size: 17px;
  line-height: 1.6;
  margin: 0 0 12px;
}
.bio .source {
  font-family: var(--font-ui);
  font-size: 11px;
  color: var(--color-text-mute);
  letter-spacing: 0.05em;
}
.bio .source a {
  color: var(--color-text-mute);
  border-bottom-color: var(--color-text-mute);
}
.bio .source a:hover { color: var(--color-text); }

/* ============================================================
   Footer (2-column: FORTITUDE + blurb / Contact)
   ============================================================ */

.site-footer {
  background: var(--color-bg-banner);
  color: var(--color-bg);
  margin-top: 0;
  padding: 80px 40px 80px;
}

.site-footer-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: start;
  text-align: left;
}

.site-footer .footer-left { }

.site-footer .fortitude-mark {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(34px, 4.2vw, 52px);
  font-weight: 400;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--color-bg);
  border-bottom: none;
  line-height: 1.1;
  margin-bottom: 28px;
}
.site-footer .fortitude-mark:hover { opacity: 0.7; border-bottom: none; }

.site-footer .footer-blurb {
  max-width: 620px;
  margin: 0;
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-bg);
  opacity: 0.92;
  font-family: var(--font-body);
  font-style: normal;
}

.site-footer .footer-right {
  text-align: left;
}
.site-footer .contact-label {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 400;
  color: var(--color-bg);
  margin-bottom: 12px;
  line-height: 1.2;
}
.site-footer .contact-email {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 24px);
  color: var(--color-bg);
  border-bottom: 1px solid var(--color-bg);
  padding-bottom: 2px;
  line-height: 1.3;
  word-break: break-word;
}
.site-footer .contact-email:hover { opacity: 0.7; }

@media (max-width: 820px) {
  .site-footer-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 480px) {
  .site-logo img { max-height: 60px; }
}

@media (max-width: 640px) {
  .site-nav-inner, .hub-intro, .hub-grid, .cta-block, .child-hero, .child-hero-image, .image-caption, .image-credit, .child-body, .bios-section, .site-footer {
    padding-left: 24px;
    padding-right: 24px;
  }
  .banner-hero .banner-content { padding: 56px 24px 48px; }
  .cta-block .buttons { flex-direction: column; }
  .cta-block .buttons a { width: 100%; }
}