/* =====================================
   BASIS
===================================== */

html, body {
    overflow-x: hidden;
}

/* =====================================
   SIDE NAV – FIXED (JOURNEYS STYLE)
===================================== */

.sideNav {
    position: fixed;
    top: 160px;              /* start onder header */
    left: max(2rem, calc((100vw - 1200px) / 2));
    z-index: 1000;

    background-color: rgba(245, 241, 230, 0.95);
    backdrop-filter: blur(6px);
    padding: 1.5rem 1.75rem;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);

    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* zichtbaar zodra actief */
.sideNav.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.sideNav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sideNav a {
    position: relative;
    text-decoration: none;
    font-size: 0.9rem;
    color: var(--base2);
    padding-left: 1rem;
}

.sideNav a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: transparent;
    transform: translateY(-50%);
}

.sideNav a.active {
    font-weight: 600;
    color: var(--blueDetail1);
}

.sideNav a.active::before {
    background: var(--blueDetail1);
}

/* mobiel */
@media (max-width: 1023px) {
    .sideNav {
        display: none;
    }
}

/* =====================================
   CONTENT OFFSET (zodat nav niet overlapt)
===================================== */

.projectInfo,
.intro,
.probleem,
.opdracht,
.proces,
.eindproduct,
.reflectie {
    padding-left: 240px;
}

@media (max-width: 1023px) {
    .projectInfo,
    .intro,
    .probleem,
    .opdracht,
    .proces,
    .eindproduct,
    .reflectie {
        padding-left: 0;
    }
}

/* =====================================
   FULL-WIDTH ACHTERGRONDSECTIES
===================================== */

.intro,
.probleem,
.opdracht,
.reflectie {
    position: relative;
    background: transparent;
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.intro::before,
.probleem::before,
.opdracht::before,
.reflectie::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 100%;
    z-index: -1;
}

.intro::before,
.opdracht::before {
    background-color: #f5f1e6;
}

.probleem::before,
.reflectie::before {
    background-color: #b0c1d6;
}