:root{
    --bg0:#070A12;
    --bg1:#0B1220;
    --text: rgba(255,255,255,.92);
    --muted: rgba(255,255,255,.68);
    --border: rgba(255,255,255,.12);
    --glass: rgba(255,255,255,.07);
    --glass2: rgba(255,255,255,.10);
    --a1:#7C3AED; /* violet */
    --a2:#06B6D4; /* cyan */
}

body{
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);
    background: none; /* background moved to ::before for a single fixed layer */
    min-height: 100vh;
    overflow-x: hidden;
}

html{ 
    background: #070A12; 
}

/* GENERAL PURPOSE */
.no-border{
    border-radius: 0;
}

.text-justify{
    text-align: justify;
}

.main-color{
    color: var(--a1);
}

.my-6{
    margin-top: 5rem;
    margin-bottom: 5rem;
}

html { scroll-behavior: smooth; }

/* One STATIC, fixed background for the entire page */
body::before{
    content:"";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
    radial-gradient(1000px 600px at 15% 10%, rgba(124,58,237,.35), transparent 60%),
    radial-gradient(900px 500px at 90% 30%, rgba(6,182,212,.25), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

.hero{
    padding: clamp(4.5rem, 8vw, 7rem) 0;
}

.glass{
    background: var(--glass);
    border: 1px solid var(--border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: 22px;
}

.glass:hover{
    background: var(--glass2);
}

.navbar.glass-nav{
  background: rgba(7,10,18,.72) !important;   /* ciemne szkło */
  border-bottom: 1px solid rgba(255,255,255,.10);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}

.grad-text{
    background: linear-gradient(135deg, #fff, rgba(255,255,255,.65));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.grad-accent{
    background: linear-gradient(135deg, var(--a1), var(--a2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.btn-glow{
    border: 1px solid rgba(255,255,255,.14);
    background: linear-gradient(135deg, rgba(124,58,237,.85), rgba(6,182,212,.75));
    border-radius: 16px;
    padding: .85rem 1.05rem;
    color: white;
}
.btn-soft{
    border-radius: 16px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.12);
    padding: .85rem 1.05rem;
    color: var(--text);
}

/* Glass accordion */
.accordion.glass-accordion{
    --bs-accordion-color: rgba(255,255,255,.92);
    --bs-accordion-btn-color: rgba(255,255,255,.92);
    --bs-accordion-active-color: rgba(255,255,255,.92);

    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 22px;
    overflow: hidden;

    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

/* Items: no outer borders (prevents corner issues) */
.accordion.glass-accordion .accordion-item{
    background: transparent;
    border: 0;
}

/* Inner separators between items */
.accordion.glass-accordion .accordion-item + .accordion-item{
    border-top: 1px solid rgba(255,255,255,.12);
}

.accordion.glass-accordion .accordion-button{
    background: transparent;
}

/* White arrow */
.accordion.glass-accordion .accordion-button::after{
    filter: brightness(0) invert(1);
    opacity: .9;
}

.accordion.glass-accordion .accordion-body{
    color: rgba(255,255,255,.78);
}

.list-group.glass-list,
.list-group.glass-list .list-group-item{
    background: transparent !important;
    color: rgba(255,255,255,.92);
    border-color: rgba(255,255,255,.12);
}

/* ---- Project switcher: mini grid (3 + 2) ---- */
.project-panel{
    display: none;
    opacity: 0;
    transition: opacity 220ms ease;
}
.project-panel.is-active{
    display: block;
}
.project-panel.is-visible{
    opacity: 1;
}

.project-thumbs{
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

/* on smaller screens: 2 columns */
@media (max-width: 992px){
    .project-thumbs{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* on very small screens: 1 column */
@media (max-width: 520px){
    .project-thumbs{
    grid-template-columns: 1fr;
    }
}

.project-thumb{
    display: flex;
    align-items: center;
    gap: .9rem;

    padding: .9rem 1rem;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.05);
    color: rgba(255,255,255,.9);

    cursor: pointer;
    user-select: none;
    text-align: left;
}

.project-thumb:hover{
    background: rgba(255,255,255,.085);
}

.project-thumb.is-active{
    background: rgba(255,255,255,.14); /* brighter */
    border-color: rgba(255,255,255,.22);
}

.project-thumb img{
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,.12);
}

.project-thumb .title{
    font-weight: 800;
    line-height: 1.1;
    font-size: 1rem;
    margin: 0;
}

.project-thumb .sub{
    margin: .25rem 0 0 0;
    font-size: .86rem;
    color: rgba(255,255,255,.68);

    /* “fading text” but with more room */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;

    /* soft fade at bottom (optional) */
    mask-image: linear-gradient(180deg, #000 70%, transparent);
    -webkit-mask-image: linear-gradient(180deg, #000 70%, transparent);
}