/* Skin: "frutiger-aero" — late-2000s glossy glass, sky + water, translucent. */
.skin-frutiger-aero { background: linear-gradient(#9fd3ff, #d8f0ff 55%, #bfe6c8); }
.skin-frutiger-aero .viewport { background: linear-gradient(#eaf6ff, #ffffff); }
.skin-frutiger-aero .site { max-width: 820px; margin: 0 auto; font-family: "Segoe UI", "Frutiger", "Helvetica Neue", Arial, sans-serif; color: #1d3a4a; }
.skin-frutiger-aero .masthead { text-align: center; padding: 30px 24px 22px; background: linear-gradient(#5fb4ee, #1f86d6); box-shadow: inset 0 1px 0 rgba(255,255,255,.6); }
.skin-frutiger-aero .brand { margin: 0; font: 300 46px "Segoe UI", sans-serif; color: #fff; text-shadow: 0 1px 4px rgba(0,40,80,.4); }
.skin-frutiger-aero .tag { margin: 8px 0 0; color: #e2f4ff; font-size: 17px; }
.skin-frutiger-aero .content { background: rgba(255,255,255,.75); margin: 16px; padding: 24px 28px; border: 1px solid #bfe0f5; border-radius: 14px; box-shadow: inset 0 1px 0 #fff, 0 4px 14px rgba(30,120,200,.18); }
.skin-frutiger-aero .content p { font-size: 16.5px; line-height: 1.7; color: #234; margin: 0 0 1em; }
.skin-frutiger-aero .content h2 { font: 400 24px "Segoe UI"; color: #1f86d6; margin: 1.4em 0 .4em; }
.skin-frutiger-aero .content a, .skin-frutiger-aero .period-links a { color: #1f86d6; text-decoration: none; border-bottom: 1px solid #9fd0ee; }
.skin-frutiger-aero .period-links a { display: inline-block; background: linear-gradient(#eaffea, #bfe6c8); border: 1px solid #8fc89a; border-radius: 20px; padding: 6px 16px; box-shadow: inset 0 1px 0 #fff; font-weight: 600; margin-right: 8px; }
.skin-frutiger-aero .inline img, .skin-frutiger-aero .tile img { max-width: 100%; height: auto; display: block; border: 3px solid #fff; border-radius: 8px; box-shadow: 0 3px 10px rgba(30,120,200,.3); }
.skin-frutiger-aero .inline figcaption, .skin-frutiger-aero .tile figcaption { font-size: 14px; color: #5a7a8a; margin-top: 6px; }
.skin-frutiger-aero .period-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(155px, 1fr)); gap: 12px; margin-top: 20px; }
.skin-frutiger-aero .tile { margin: 0; }
.skin-frutiger-aero .period-foot { color: #2a5a72; font-size: 14px; padding: 16px; text-align: center; }