/* One complete turn returns each header letter to its readable resting face. */
.site-header .letter-window { height: 1.6em; overflow: visible; perspective: 500px; }
.site-header .letter-track { display: block; height: 1.6em; transform: none; transform-origin: 50% 50%; transition: none; backface-visibility: hidden; }
.site-header .letter-track > span { display: block; height: 1.6em; line-height: 1.6em; opacity: 1; }
.site-header .letter-track > span:nth-child(2) { display: none; }
:is(.site-header .main-nav a, .site-header .nav-case):is(:hover, :focus-visible) .letter-track { transform: none; animation: nav-letter-turn .62s cubic-bezier(.22,.78,.2,1) calc(var(--i) * 18ms) 1 both; }
@keyframes nav-letter-turn { from { transform: rotateX(0); } to { transform: rotateX(360deg); } }
.case-picker { position: relative; justify-self: end; }
.case-picker > summary { list-style: none; cursor: pointer; gap: 12px; min-height: 44px; user-select: none; }
.case-picker > summary::-webkit-details-marker { display: none; }
.case-picker > summary::marker { content: ""; }
.case-picker > summary:focus-visible { outline: 2px solid #a63a32; outline-offset: 5px; border-radius: 4px; }
.case-chevron { display: block; width: 6px; height: 6px; border: solid currentColor; border-width: 0 1px 1px 0; transform: rotate(45deg); transition: transform .25s; }
.case-picker[open] .case-chevron { transform: rotate(225deg); }
.case-list { position: absolute; z-index: 100; right: 0; top: 100%; width: min(365px,calc(100vw - 40px)); padding: 10px; color: #33261d; background: #f2e9dc; border: 1px solid #fff8ef; border-radius: 20px; box-shadow: 0 18px 45px #24180e30, inset 0 1px 0 #fff; }
.case-picker[open] .case-list { animation: cases-enter .2s ease-out both; }
.case-list a { display: grid; grid-template-columns: 30px 1fr 16px; gap: 12px; align-items: center; min-height: 72px; padding: 14px; border-radius: 12px; transition: background .2s, transform .2s; }
.case-list a + a { border-top: 1px solid #80694b24; }
.case-list a:hover, .case-list a:focus-visible { background: #e4d5c3; transform: translateX(-2px); outline: 2px solid transparent; }
.case-list a:focus-visible { outline-color: #a63a32; }
.case-list a > span { font: 14px/1 "Special Elite", serif; color: #9e2d25; }
.case-list strong { font: 600 16px/1.45 "Manrope",sans-serif; }
.case-list small { display: block; margin-top: 3px; font-size: 13px; color: #756552; }
.case-list b { font-size: 18px; transition: transform .2s; }
.case-list a:hover b { transform: translate(2px,-2px); }
.projects-page .case-list { background: #101a20; color: #eee7dc; border-color: #74818a40; box-shadow: 0 18px 45px #0009; }
.projects-page .case-list a:hover, .projects-page .case-list a:focus-visible { background: #223039; }
.projects-page .case-list small { color: #b8afa4; }
@keyframes cases-enter { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .case-list, .letter-track, .case-chevron { animation: none !important; transition: none !important; } }

/* Shared, legible navigation sizes on every portfolio route. */
.site-header .main-nav { font-size: 15px; letter-spacing: .14em; }
.site-header .nav-case { font-size: 14px; }
@media (max-width: 900px) {
  :is(.portfolio-page,.projects-page) .site-header { grid-template-columns: 1fr auto 1fr; padding: 0 16px; }
  :is(.portfolio-page,.projects-page) .main-nav { display: flex; gap: 20px; font-size: 12px; letter-spacing: .08em; }
  .site-header .nav-case { font-size: 12px; }
  .case-picker > summary { gap: 8px; }
}
@media (max-width: 380px) {
  :is(.portfolio-page,.projects-page) .main-nav { gap: 14px; }
}