:root {
  --canvas: #fffdf5;      /* warm paper white */
  --panel: #ffffff;
  --gold: #f5b400;        /* the dominant brand yellow */
  --gold-deep: #d69400;   /* pressed / detail */
  --gold-soft: #fff2c9;   /* tints, hovers */
  --green: #14332a;       /* deep chess-green from the emblem */
  --green-soft: #1d4a3c;  /* lifted green surfaces */
  --ink: #14332a;         /* text uses the brand green, not black */
  --ink-soft: #5c6b64;
  --line: #e3dcc4;        /* hairline rule on canvas */
  --rule: #d8cfa8;        /* stronger editorial rule */
  --green-ink: #14332a;         /* dark text sitting on gold */
  --paper-on-green: #fffdf5;    /* light text on the green panel */
  --paper-on-green-soft: #b7c9c0;
  --shadow: 0 18px 40px -24px rgba(20, 51, 42, 0.35);
  --shadow-soft: 0 10px 30px -20px rgba(20, 51, 42, 0.3);
  --nav-h: 72px;
}

:root.theme-night {
  --canvas: #0d1f19;
  --panel: #14332a;
  --gold: #f8bf1e;
  --gold-deep: #ffcb3d;
  --gold-soft: #23433a;
  --green: #0a1712;
  --green-soft: #1d4a3c;
  --ink: #fffdf5;
  --ink-soft: #9fb3a9;
  --line: #295044;
  --rule: #37624f;
  --shadow: 0 24px 50px -28px rgba(0, 0, 0, 0.6);
  --shadow-soft: 0 14px 34px -22px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 32px);
  overflow-x: clip;
}

body {
  font-family: "Newsreader", Georgia, serif;
  background-color: var(--canvas);
  color: var(--ink);
  padding-top: calc(var(--nav-h) + 40px);
  min-height: 100vh;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s, color 0.3s;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Fraunces", Georgia, serif;
  color: var(--ink);
  line-height: 1.05;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 2000;
  background: var(--ink);
  color: var(--gold);
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus {
  left: 16px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: fixed;
  top: 20px;
  left: 4%;
  right: 4%;
  z-index: 1000;
  height: var(--nav-h);
  background-color: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0 12px 0 18px;
  box-shadow: var(--shadow-soft);
  transition: background-color 0.3s, border-color 0.3s;
  animation: nav-drop 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes nav-drop {
  from {
    opacity: 0;
    transform: translateY(-24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-container {
    animation: none;
  }
  .img-container img {
    transition: none;
  }
}

.nav-first {
  display: flex;
  align-items: center;
  gap: 12px;
}

.img-container img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 2px solid var(--ink);
  object-fit: cover;
  display: block;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s;
}

.nav-first:hover .img-container img {
  transform: rotate(-8deg) scale(1.08);
  border-color: var(--gold-deep);
}

@media (prefers-reduced-motion: reduce) {
  .nav-container {
    animation: none;
  }
}

.logo-title {
  font-size: 22px;
  font-weight: 600;
  font-family: "Fraunces", serif;
  letter-spacing: -0.01em;
}

.logo-title a {
  text-decoration: none;
  color: var(--ink);
}

.nav-end {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  position: relative;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: 9px;
  transition: color 0.18s, background-color 0.18s;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 5px;
  height: 2px;
  border-radius: 2px;
  background-color: var(--gold-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover {
  color: var(--ink);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  text-decoration: none;
  color: var(--green-ink);
  background-color: var(--gold);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--gold-deep);
  margin-left: 8px;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.2s, background-color 0.2s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  background-color: var(--gold-deep);
}

@media (min-width: 861px) {
  :root {
    --nav-h: 64px;
  }

  .nav-container {
    top: 18px;
    left: 0;
    right: 0;
    width: min(calc(100% - 48px), 1080px);
    margin: 0 auto;
    border-radius: 999px;
    padding: 0 10px 0 14px;
    background-color: var(--panel);
    border-color: var(--line);
    box-shadow: 0 12px 26px -22px rgba(20, 51, 42, 0.5);
  }

  :root.theme-night .nav-container {
    background-color: var(--panel);
    border-color: var(--rule);
  }

  .nav-first {
    gap: 10px;
  }

  .img-container img {
    width: 36px;
    height: 36px;
    border-radius: 999px;
  }

  .logo-title {
    font-size: 20px;
  }

  .nav-end {
    gap: 2px;
  }

  .nav-link {
    font-size: 13.5px;
    padding: 8px 12px;
    border-radius: 999px;
  }

  .nav-link:hover {
    background-color: var(--gold-soft);
  }

  .nav-link::after {
    content: none;
  }

  .nav-cta {
    padding: 9px 18px;
  }
}

.theme-toggle {
  --tt-size: 38px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--tt-size);
  height: var(--tt-size);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background-color: var(--panel);
  color: var(--ink);
  cursor: pointer;
  margin-left: 6px;
  line-height: 0;
  overflow: hidden;
  transition: background-color 0.25s, border-color 0.25s, color 0.25s,
    transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-toggle:hover {
  border-color: var(--gold-deep);
  color: var(--gold-deep);
  transform: translateY(-1px);
}

.theme-toggle:active {
  transform: scale(0.92);
}

.theme-toggle-track {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
}

.tt-sun,
.tt-moon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  line-height: 1;
  transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.tt-sun::before { content: "\2600"; }   /* ☀ */
.tt-moon::before { content: "\1F319"; } /* 🌙 */

/* Day mode: sun visible, moon hidden. */
.tt-moon {
  opacity: 0;
  transform: rotate(-90deg) scale(0.4);
}

/* Night mode: moon visible, sun hidden. */
:root.theme-night .theme-toggle {
  background-color: var(--green);
  border-color: var(--rule);
  color: var(--gold);
}

:root.theme-night .tt-sun {
  opacity: 0;
  transform: rotate(90deg) scale(0.4);
}
:root.theme-night .tt-moon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

.nav-mobile-controls {
  display: none;
  align-items: center;
  gap: 10px;
}
.theme-toggle--mobile {
  margin-left: 0;
}

@media (prefers-reduced-motion: reduce) {
  .theme-toggle-thumb,
  .tt-sun,
  .tt-moon {
    transition: none;
  }

  /* Snap the mobile dropdown open/closed — no slide/fade/stagger. */
  .nav-end,
  .nav-expanded .nav-end,
  .nav-end > *,
  .nav-expanded .nav-end > * {
    transition: none;
  }

  .nav-expanded .nav-end > * {
    transition-delay: 0s;
  }
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background-color: var(--panel);
  color: var(--ink);
  cursor: pointer;
  transition: background-color 0.25s, border-color 0.25s, color 0.25s,
    transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-toggle:hover {
  border-color: var(--gold-deep);
  color: var(--gold-deep);
  transform: translateY(-1px);
}

.nav-toggle:active {
  transform: scale(0.92);
}

/* Pure-CSS hamburger — no image dependency. */
.nav-toggle-bars {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background-color: var(--ink);
  transition: background-color 0.3s;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background-color: var(--ink);
  transition: transform 0.3s, background-color 0.3s;
}

.nav-toggle-bars::before {
  transform: translateY(-6px);
}
.nav-toggle-bars::after {
  transform: translateY(6px);
}

/* Morph into an X while the menu is open. */
.nav-expanded .nav-toggle-bars {
  background-color: transparent;
}
.nav-expanded .nav-toggle-bars::before {
  transform: translateY(0) rotate(45deg);
}
.nav-expanded .nav-toggle-bars::after {
  transform: translateY(0) rotate(-45deg);
}

:where(a, button):focus-visible {
  outline: 3px solid var(--gold-deep);
  outline-offset: 2px;
}

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

  .nav-mobile-controls {
    display: flex;
  }

  .theme-toggle--desktop {
    display: none;
  }

  .nav-container {
    border-radius: 999px;
    padding: 0 10px 0 14px;
  }

  .img-container img {
    border-radius: 50%;
  }

  .nav-end {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(var(--nav-h) + 10px);
    left: 0;
    right: 0;
    background-color: var(--panel);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 12px;
    gap: 4px;
    align-items: stretch;
    box-shadow: var(--shadow);
    transform-origin: top center;
    /* Collapsed state — animatable (display:none can't transition). The
       panel is position:absolute, so it never affects header layout even
       while "hidden"; visibility flips off only after the fade completes. */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.98);
    pointer-events: none;
    transition: opacity 0.28s ease, transform 0.32s cubic-bezier(0.16, 1, 0.3, 1),
      visibility 0s linear 0.32s;
  }

  .nav-expanded .nav-end {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    transition: opacity 0.28s ease, transform 0.32s cubic-bezier(0.16, 1, 0.3, 1),
      visibility 0s;
  }

  /* Links cascade in behind the panel while it opens. */
  .nav-end > * {
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .nav-expanded .nav-end > * {
    opacity: 1;
    transform: translateY(0);
  }

  .nav-expanded .nav-end > *:nth-child(1) { transition-delay: 0.06s; }
  .nav-expanded .nav-end > *:nth-child(2) { transition-delay: 0.11s; }
  .nav-expanded .nav-end > *:nth-child(3) { transition-delay: 0.16s; }
  .nav-expanded .nav-end > *:nth-child(4) { transition-delay: 0.21s; }
  .nav-expanded .nav-end > *:nth-child(5) { transition-delay: 0.26s; }

  .nav-link,
  .nav-cta {
    text-align: center;
    font-size: 15px;
    margin-left: 0;
  }

  .nav-link {
    border-radius: 999px;
    padding: 10px 14px;
  }

  .nav-link:hover {
    background-color: var(--gold-soft);
  }

  .nav-link::after {
    content: none;
  }

  .nav-cta {
    margin-top: 4px;
  }
}

/* ---- Compact header for phones ---- */
@media (max-width: 560px) {
  :root {
    --nav-h: 60px;
  }

  .nav-container {
    top: 12px;
    left: 3%;
    right: 3%;
    padding: 0 8px 0 12px;
    border-radius: 999px;
  }

  .nav-first {
    gap: 9px;
    min-width: 0;
  }

  .img-container img {
    width: 34px;
    height: 34px;
    border-radius: 50%;
  }

  .logo-title {
    font-size: 18px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav-mobile-controls {
    gap: 6px;
    flex: none;
  }

  /* shrink the day/night button so title + controls never collide */
  .theme-toggle {
    --tt-size: 34px;
    margin-left: 0;
  }

  .theme-toggle-track {
    width: 16px;
    height: 16px;
  }

  .tt-sun,
  .tt-moon {
    font-size: 15px;
  }

  .nav-toggle {
    width: 34px;
    height: 34px;
  }

  .nav-toggle-bars,
  .nav-toggle-bars::before,
  .nav-toggle-bars::after {
    width: 15px;
  }
}