/**
 * Bilimsel / eğitimsel yüzen simgeler — birim hero, anasayfa banner, istatistik şeridi
 */
.kku-scientific-floating-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 2;
    contain: strict;
}

.kku-scientific-floating-bg--hero {
    z-index: 2;
}

.kku-scientific-floating-bg--birim {
    z-index: 3;
}

.kku-scientific-floating-bg--yayin {
    z-index: 0;
}

.kku-scientific-floating-bg--banner {
    z-index: 3;
}

.kku-scientific-floating-bg--stats {
    z-index: 0;
    border-radius: inherit;
}

.kku-float-icon {
    position: absolute;
    left: var(--x, 50%);
    top: var(--y, 50%);
    font-size: var(--size, 1.65rem);
    color: var(--icon-color, rgba(255, 255, 255, 0.2));
    opacity: var(--icon-opacity, 0.85);
    transform: translate(-50%, -50%);
    animation:
        kkuIconFloat var(--dur, 14s) ease-in-out infinite,
        kkuIconPulse var(--pulse-dur, 6s) ease-in-out infinite;
    animation-delay: var(--delay, 0s), var(--pulse-delay, 0s);
    will-change: transform, opacity;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.12));
}

.kku-float-icon i {
    display: block;
    line-height: 1;
}

/* Hero: kampüs fotoğrafı üzerinde açık simgeler */
.kku-scientific-floating-bg--hero .kku-float-icon {
    --icon-color: rgba(255, 255, 255, 0.28);
}

/* Birim analiz hero: eğitim + analiz simgeleri */
.kku-scientific-floating-bg--birim .kku-float-icon {
    --icon-color: rgba(255, 255, 255, 0.32);
    --icon-opacity: 0.92;
}

.kku-scientific-floating-bg--birim .kku-float-icon:nth-child(4n+1) {
    --icon-color: rgba(147, 197, 253, 0.38);
}

.kku-scientific-floating-bg--birim .kku-float-icon:nth-child(4n+2) {
    --icon-color: rgba(255, 255, 255, 0.34);
}

.kku-scientific-floating-bg--birim .kku-float-icon:nth-child(4n+3) {
    --icon-color: rgba(252, 165, 165, 0.32);
}

.kku-scientific-floating-bg--birim .kku-float-icon:nth-child(4n) {
    --icon-color: rgba(167, 243, 208, 0.34);
}

.kku-scientific-floating-bg--birim .kku-float-orbit {
    border-color: rgba(255, 255, 255, 0.1);
}

.kku-scientific-floating-bg--birim .kku-float-orbit--1 {
    left: 6%;
    top: 20%;
    width: 140px;
    height: 140px;
}

.kku-scientific-floating-bg--birim .kku-float-orbit--2 {
    right: 8%;
    top: 30%;
    width: 100px;
    height: 100px;
}

.kku-scientific-floating-bg--birim .kku-float-orbit--3 {
    left: 52%;
    bottom: 12%;
    width: 80px;
    height: 80px;
}

/* Yayın detay: hafif bibliyometri simgeleri */
.kku-scientific-floating-bg--yayin .kku-float-icon {
    --icon-color: rgba(200, 35, 51, 0.1);
    --icon-opacity: 0.75;
}

.kku-scientific-floating-bg--yayin .kku-float-icon:nth-child(4n+1) {
    --icon-color: rgba(234, 88, 12, 0.12);
}

.kku-scientific-floating-bg--yayin .kku-float-icon:nth-child(4n+2) {
    --icon-color: rgba(59, 130, 246, 0.1);
}

.kku-scientific-floating-bg--yayin .kku-float-icon:nth-child(4n+3) {
    --icon-color: rgba(200, 35, 51, 0.08);
}

.kku-scientific-floating-bg--yayin .kku-float-icon:nth-child(4n) {
    --icon-color: rgba(16, 185, 129, 0.1);
}

.kku-scientific-floating-bg--yayin .kku-float-orbit {
    border-color: rgba(200, 35, 51, 0.06);
}

.kku-scientific-floating-bg--yayin .kku-float-orbit--1 {
    left: 10%;
    top: 18%;
    width: 110px;
    height: 110px;
}

.kku-scientific-floating-bg--yayin .kku-float-orbit--2 {
    right: 12%;
    top: 28%;
    width: 85px;
    height: 85px;
}

.kku-scientific-floating-bg--yayin .kku-float-orbit--3 {
    left: 48%;
    bottom: 14%;
    width: 70px;
    height: 70px;
}

html[data-color-mode="dark"] .kku-scientific-floating-bg--yayin .kku-float-icon {
    --icon-color: rgba(248, 113, 113, 0.12);
    --icon-opacity: 0.65;
}

html[data-color-mode="dark"] .kku-scientific-floating-bg--yayin .kku-float-icon:nth-child(4n+2) {
    --icon-color: rgba(147, 197, 253, 0.1);
}

html[data-color-mode="dark"] .kku-scientific-floating-bg--yayin .kku-float-orbit {
    border-color: rgba(248, 113, 113, 0.08);
}

/* Anasayfa banner: koyu gradient üzerinde */
.kku-scientific-floating-bg--banner .kku-float-icon {
    --icon-color: rgba(255, 255, 255, 0.18);
    font-size: var(--size, 1.85rem);
}

.kku-scientific-floating-bg--banner .kku-float-icon:nth-child(odd) {
    --icon-color: rgba(227, 6, 19, 0.22);
}

.kku-scientific-floating-bg--banner .kku-float-icon:nth-child(3n) {
    --icon-color: rgba(96, 165, 250, 0.2);
}

/* İstatistik alanı */
.kku-scientific-floating-bg--stats .kku-float-icon {
    --icon-color: rgba(30, 64, 175, 0.12);
    --size: 1.45rem;
}

html[data-color-mode="dark"] .kku-scientific-floating-bg--stats .kku-float-icon {
    --icon-color: rgba(147, 197, 253, 0.14);
}

html[data-color-mode="dark"] .kku-scientific-floating-bg--stats .kku-float-icon:nth-child(odd) {
    --icon-color: rgba(248, 113, 113, 0.12);
}

/* Dekoratif yörünge halkaları */
.kku-float-orbit {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    animation: kkuOrbitSpin var(--orbit-dur, 40s) linear infinite;
    pointer-events: none;
}

.kku-scientific-floating-bg--banner .kku-float-orbit {
    border-color: rgba(255, 255, 255, 0.06);
}

.kku-scientific-floating-bg--stats .kku-float-orbit {
    border-color: rgba(59, 130, 246, 0.08);
}

html[data-color-mode="dark"] .kku-scientific-floating-bg--stats .kku-float-orbit {
    border-color: rgba(147, 197, 253, 0.07);
}

.kku-float-orbit--1 {
    width: 120px;
    height: 120px;
    left: 8%;
    top: 22%;
    --orbit-dur: 36s;
}

.kku-float-orbit--2 {
    width: 90px;
    height: 90px;
    right: 12%;
    top: 35%;
    --orbit-dur: 28s;
    animation-direction: reverse;
}

.kku-float-orbit--3 {
    width: 70px;
    height: 70px;
    left: 55%;
    bottom: 18%;
    --orbit-dur: 32s;
}

@keyframes kkuIconFloat {
    0%, 100% {
        transform: translate(-50%, -50%) translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(-50%, -50%) translate(10px, -16px) rotate(6deg);
    }
    66% {
        transform: translate(-50%, -50%) translate(-8px, -10px) rotate(-4deg);
    }
}

@keyframes kkuIconPulse {
    0%, 100% {
        opacity: calc(var(--icon-opacity, 0.85) * 0.75);
    }
    50% {
        opacity: var(--icon-opacity, 0.85);
    }
}

@keyframes kkuOrbitSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .kku-float-icon {
        font-size: calc(var(--size, 1.65rem) * 0.75);
    }

    .kku-scientific-floating-bg--banner .kku-float-icon:nth-child(n+13) {
        display: none;
    }

    .kku-scientific-floating-bg--hero .kku-float-icon:nth-child(n+11),
    .kku-scientific-floating-bg--birim .kku-float-icon:nth-child(n+13),
    .kku-scientific-floating-bg--yayin .kku-float-icon:nth-child(n+9) {
        display: none;
    }

    .kku-float-orbit {
        opacity: 0.5;
        transform: scale(0.75);
    }
}

@media (prefers-reduced-motion: reduce) {
    .kku-scientific-floating-bg *,
    .kku-scientific-floating-bg {
        animation: none !important;
    }
}

body.kku-birim-pdf-export .kku-scientific-floating-bg {
    display: none !important;
}