:root {
    --off-white: #fcfcfc;
    --pure-white: #ffffff;
    --luchtblauw: #d9edfd; 
    --text: #000000;
    --radius-soft: 15px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--off-white);
    color: var(--text);
    line-height: 1.6;
}

/* NAVBAR */
.sprint-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
}

.nav-container-fluid {
    width: 100%;
    padding: 0 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo img { height: 40px; width: auto; }
.nav-links { display: flex; gap: 20px; }

.nav-btn {
    background: none;
    border: none;
    color: var(--text);
    padding: 10px 20px;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.hero {
    background-color: var(--luchtblauw);
    margin-top: 80px;
    padding: 80px 0;
    display: flex;
    justify-content: center;
}

.hero-image-wrapper {
    max-width: 800px;
    width: 100%;
    padding: 0 20px;
}

.hero-img {
    width: 100%;
    display: block;
    -webkit-mask-image: radial-gradient(circle, rgba(0,0,0,1) 70%, rgba(0,0,0,0) 98%);
    mask-image: radial-gradient(circle, rgba(0,0,0,1) 70%, rgba(0,0,0,0) 98%);
}

/* SECTIONS */
.section { padding: 100px 20px; }
.blue { background-color: var(--luchtblauw); }
.off-white { background-color: var(--off-white); }
.container { max-width: 1000px; margin: 0 auto; }
.section-title { text-align: center; margin-bottom: 50px; text-transform: uppercase; letter-spacing: 2px; }

h1 { font-size: 2.5rem; text-transform: uppercase; margin-bottom: 10px; }
.lead { font-size: 1.2rem; margin-bottom: 20px; }

/* TIJDLIJN & SPRINT BOXES */
.timeline { position: relative; padding-left: 50px; max-width: 850px; margin: 0 auto; }
.timeline-item { position: relative; padding-bottom: 50px; }
.timeline-marker { position: absolute; left: -40px; top: 0; bottom: 0; width: 20px; display: flex; flex-direction: column; align-items: center; }
.timeline-dot { width: 16px; height: 16px; background-color: var(--text); border-radius: 50%; }
.timeline-line { width: 2px; background-color: var(--text); flex-grow: 1; margin: 5px 0; }

.sprint-label { font-size: 0.75rem; font-weight: bold; opacity: 0.5; text-transform: uppercase; }

.sprint-detail-box {
    background: var(--pure-white);
    padding: 30px;
    border-radius: var(--radius-soft);
    margin-top: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.design-question-box {
    background: #f0f7ff;
    border-left: 4px solid var(--text);
    padding: 15px;
    margin-bottom: 25px;
    font-style: italic;
}

.sprint-detail-box h4 { margin: 25px 0 10px 0; border-bottom: 1px solid #eee; display: inline-block; font-weight: 800; }
.sprint-detail-box h4:first-child { margin-top: 0; }

/* SCOPE & WAARDEN */
.scope-grid { display: flex; flex-direction: column; gap: 30px; }
.scope-card { background: var(--pure-white); padding: 40px; border-radius: var(--radius-soft); box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.scope-card h3 { margin-bottom: 20px; text-decoration: underline; font-weight: 800; }
.scope-card ul { list-style-type: none; }
.scope-card li { margin-bottom: 12px; padding-left: 20px; position: relative; }
.scope-card li::before { content: "•"; position: absolute; left: 0; font-weight: bold; }

.values-row { display: flex; justify-content: space-between; gap: 15px; }
.value-card { flex: 1; background: var(--pure-white); padding: 35px 10px; text-align: center; font-weight: bold; border-radius: var(--radius-soft); box-shadow: 0 4px 12px rgba(0,0,0,0.05); }

.placeholder { font-style: italic; opacity: 0.5; }
footer { padding: 40px; text-align: center; background-color: var(--pure-white); border-top: 1px solid #eee; }

@media (max-width: 768px) {
    .values-row { flex-direction: column; }
    .nav-container-fluid { padding: 0 20px; }
    .nav-links { display: none; }
}