* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", sans-serif;
}

.navbar {
    background: #003D7A;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.10), 0 2px 4px -2px rgba(0, 0, 0, 0.10);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 5vw;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.navbar-icon {
    color: #fff;
}

.navbar-brand-text {
    display: flex;
    flex-direction: column;
}

.navbar-title {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
}

.navbar-subtitle {
    color: rgba(255, 255, 255, 0.65);
    font-size: 12px;
    font-weight: 400;
    line-height: 1.4;
}

.navbar-links {
    list-style: none;
    display: flex;
    gap: 32px;
}

.navbar-links a {
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 400;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.navbar-links a:hover {
    opacity: 1;
}



.Begin {

    background: linear-gradient(135deg, #003D7A 0%, #004080 7.14%, #004385 14.29%, #00458B 21.43%, #004891 28.57%, #004B96 35.71%, #004E9C 42.86%, #0051A2 50%, #0054A8 57.14%, #0057AE 64.29%, #005AB4 71.43%, #005DBA 78.57%, #0060C0 85.71%, #0063C6 92.86%, #06C 100%);
    padding-left: 5vw;
    padding-right: 5vw;
    display: flex;
    flex-direction: row;
    padding-bottom: 20px;
}

button {
    cursor: pointer;
    border: none;

}

button a {
    text-decoration: none;
    color: black;
}

.tekst h1 {
    color: #FFF;
    font-family: "Inter", sans-serif;
    font-size: 48px;
    font-style: normal;
    font-weight: 500;
    line-height: 48px;
    padding-bottom: 20px;
    padding-top: 10vw;
    width: 25vw;
    word-spacing: 4px;

}

.tekst h3 {
    color: rgba(255, 255, 255, 0.90);
    font-family: Inter;
    font-size: 20px;
    font-style: normal;
    font-weight: 400;
    line-height: 28px;
    width: 30vw;
    word-spacing: 4px;

}


.startchecklist {
    border-radius: 10px;
    background: #FFF;
    display: flex;
    padding: 10.333px 16.719px 13.667px 17px;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border: none;

    color: #003D7A;
    text-align: center;
    font-family: "Inter", sans-serif;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 24px;
}

.readmore {
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.10);

    display: flex;
    padding: 10.333px 19.521px 13.667px 21px;
    justify-content: center;
    align-items: center;

    color: #FFF;
    text-align: center;
    font-family: Inter;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 24px;
}

.button {
    display: flex;
    flex-direction: row;
    gap: 5vw;
}

.fotoslider {
    overflow: hidden;
    width: 45vw;
    height: 60vh;
    flex-shrink: 0;
}

#slider-track {
    display: flex;
    height: 100%;
    transition: transform 0.6s ease
}

#slider-track img {
    min-width: 100%;
    height: 100%;
    object-fit: cover;
    margin-top: 20px;
    padding-bottom: 20px;
    border-radius: 20px;
}

.checklist {
    background: #F0F4F8;
    display: flex;
    flex-direction: column;
    /* padding-bottom: 40vw; */
    padding-left: 5vw;
    padding-right: 5vw;
}

.checklist-tekst h1 {
    color: #0A0A0A;
    text-align: center;
    font-family: Inter;
    font-size: 36px;
    font-style: normal;
    font-weight: 500;
    line-height: 40px;
    margin-top: 3vw;
}

.checklist-tekst h2 {
    color: #64748B;
    text-align: center;
    font-family: Inter;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 28px;
}

.checklist-tekst {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.voortgang {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px 5vw;
}

.voortgang p {
    color: #64748B;
    font-size: 16px;
    font-weight: 400;
}

#voortgang-balk {
    width: 100%;
    height: 8px;
    background: #E2E8F0;
    border-radius: 99px;
    overflow: hidden;
}

#voortgang-fill {
    height: 100%;
    width: 0%;
    background: #003D7A;
    border-radius: 99px;
    transition: width 0.3s ease;
}

#checklist-items {
    padding: 20px 5vw 40px 5vw;
}

.categorie {
    border-radius: 12px;
    padding: 16px;
}

.categorie-titel {
    color: #003D7A;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.categorie-items {
    background: #FFF;
    border-radius: 8px;
    overflow: hidden;
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-bottom: 1px solid #E2E8F0;
}

.checklist-item:last-child {
    border-bottom: none;
}

.checklist-item input {
    width: 20px;
    height: 20px;
    accent-color: #003D7A;
    cursor: pointer;
    flex-shrink: 0;
}

.checklist-item label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.item-titel {
    font-size: 16px;
    font-weight: 600;
    color: #0A0A0A;
}

.item-vraag {
    font-size: 14px;
    color: #64748B;
}

.checklist-item input:checked~label .item-titel {
    text-decoration: line-through;
    color: #94A3B8;
}

.checklist-item input:checked~label .item-vraag {
    color: #CBD5E1;
}

#checklist-button {
    padding-left: 6vw;
}

.tipvandedag-tekst {
    text-align: center;
    margin-top: 5vw;
}

.tipvandedag-tekst h1 {
    color: #0A0A0A;
    text-align: center;
    font-family: Inter;
    font-size: 36px;
    font-style: normal;
    font-weight: 500;
    line-height: 40px;
}

.tipvandedag-tekst h2 {
    color: #64748B;
    text-align: center;
    font-family: Inter;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 28px;
}

.tip-box {
    border-radius: 14px;
    border: 0.667px solid rgba(0, 102, 204, 0.20);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(0, 61, 122, 0.05) 100%);
    display: flex;
    flex-direction: column;
    width: 40vw;
    margin: 0 auto;
    margin-top: 20px;
    padding: 20px;
}

.dagen {
    display: flex;
    flex-direction: row;
    gap: 3vw;
}

.dagen p {
    color: #0A0A0A;
    font-family: Inter;
    font-size: 16px;
    font-style: normal;
    font-weight: 500;
    line-height: 16px;
    margin-top: 10px
}

#tipvandedag {
    color: #0A0A0A;
    font-family: Inter;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 29.25px;
}

img.tip {
    border-radius: 22369600px;
    background: #06C;
    margin-bottom: 20px;
}

.ergonomiebelangrijk {
    margin-top: 5vh;
    padding: 0 5vw 60px 5vw;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ergonomiebelangrijk h2 {
    color: #64748B;
    text-align: center;
    font-family: Inter;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 28px;
}

.ergonomiebelangrijk h1 {
    color: #0A0A0A;
    text-align: center;
    font-family: Inter;
    font-size: 36px;
    font-style: normal;
    font-weight: 500;
    line-height: 40px;
}

.tips-page {
    min-height: calc(100vh - 72px);
    padding: 48px 5vw 64px;
    background: linear-gradient(180deg, #F8FBFF 0%, #EEF4FA 100%);
}

.tips-header {
    max-width: 760px;
    margin: 0 auto 28px;
    text-align: center;
}

.tips-header h1 {
    color: #0A0A0A;
    text-align: center;
    font-family: Inter;
    font-size: 36px;
    font-style: normal;
    font-weight: 500;
    line-height: 40px;
    margin-top: 3vw;
}

.tips-header p {
    color: #334155;
    font-size: 18px;
    line-height: 1.7;
}

.tip-card {
    max-width: 760px;
    margin: 0 auto;
    padding: 28px;
    border-radius: 24px;
    background: #FFFFFF;
    box-shadow: 0 18px 48px rgba(15, 23, 42, 0.12);
    border: 1px solid rgba(0, 102, 204, 0.12);
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
}

#random-tip {
    color: #0F172A;
    font-size: 20px;
    line-height: 1.8;
    text-align: center;
}

#new-tip-button {
    border: none;
    border-radius: 999px;
    background: #003D7A;
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 600;
    padding: 12px 24px;
    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 12px 24px rgba(0, 61, 122, 0.22);
}

#new-tip-button:hover {
    background: #004A8F;
    transform: translateY(-1px);
}

#new-tip-button:active {
    transform: translateY(0);
}

.klachten-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 24px;
}

.klacht-kaart {
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.klacht-icoon {
    width: 48px;
    height: 48px;
    background: #EFF6FF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.klacht-kaart h3 {
    color: #0A0A0A;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
}

.klacht-sub {
    color: #2563EB;
    font-size: 14px;
    font-weight: 400;
    margin-bottom: 8px;
}

.klacht-desc {
    color: #475569;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
}

.Buttons {
    display: flex;
    gap: 0;
    border-radius: 14px;
    background: #F0F4F8;
    flex-direction: row;
    justify-content: space-between;
    margin-left: 15vw;
    margin-right: 15vw;
    padding: 5px
}

.Buttons button {
    background: none;
    color: #0A0A0A;
    text-align: center;
    font-family: Inter;
    font-size: 14px;
    font-style: normal;
    font-weight: 500;
    line-height: 20px;
    padding: 5.8px;


}


.buttonactive {
    border-radius: 14px;
    border: 0.667px solid rgba(0, 0, 0, 0.00);
    background: #FFF !important;
    padding: 5px !important;
}

#content_oefening {
    display: none;
}

#content_basisprincipes {
    display: block;
}

#content_hulpmiddelen {
    display: none;
}

#content_pauzes {
    display: none;
}


.content-section {
    padding: 32px 5vw;
    border-radius: 14px;
    border: 0.667px solid rgba(0, 0, 0, 0.10);
    background: #FFF;
    width: 80vw;
    margin: 0 auto;
}

.content-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: #0A0A0A;
    margin-bottom: 4px;
}

.content-subtitle {
    color: #2563EB;
    font-size: 14px;
    margin-bottom: 24px;
}

.content-body {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.content-text {
    flex: 1;
}

.content-text h3 {
    font-size: 18px;
    font-weight: 700;
    color: #0A0A0A;
    margin-bottom: 12px;
}

.content-text p {
    font-size: 15px;
    color: #334155;
    line-height: 1.6;
    margin-bottom: 16px;
}

.content-text ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.content-text ul li {
    font-size: 15px;
    color: #334155;
    padding-left: 16px;
    position: relative;
}

.content-text ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: #003D7A;
    border-radius: 50%;
}

.content-image {
    width: 260px;
    flex-shrink: 0;
}

.content-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
}

.content-onderbouwing {
    background: #EFF6FF;
    border-radius: 10px;
    padding: 20px 24px;
}

.content-onderbouwing h4 {
    font-size: 15px;
    font-weight: 700;
    color: #1D4ED8;
    margin-bottom: 8px;
}

.content-onderbouwing p {
    font-size: 14px;
    color: #334155;
    line-height: 1.6;
}

.content-onderbouwing ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 10px 0;
}

.content-onderbouwing ul li {
    font-size: 14px;
    color: #334155;
    padding-left: 16px;
    position: relative;
    line-height: 1.6;
}

.content-onderbouwing ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    background: #1D4ED8;
    border-radius: 50%;
}

/* Oefeningen */
.oefeningen-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.oefening-item {
    padding: 20px 0 20px 20px;
    border-left: 3px solid #2563EB;
    margin-bottom: 24px;
}

.oefening-item h3 {
    font-size: 16px;
    font-weight: 700;
    color: #0A0A0A;
    margin-bottom: 8px;
}

.oefening-item p {
    font-size: 14px;
    color: #475569;
    line-height: 1.6;
}

/* Hulpmiddelen */
.hulpmiddelen-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.hulpmiddel-card {
    background: #F8FAFC;
    border-radius: 10px;
    padding: 20px 24px;
}

.hulpmiddel-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: #0A0A0A;
    margin-bottom: 8px;
}

.hulpmiddel-card p {
    font-size: 14px;
    color: #475569;
    line-height: 1.6;
}

/* Pauzes */
.pauze-planning {
    margin-bottom: 24px;
}

.pauze-planning h3 {
    font-size: 16px;
    font-weight: 700;
    color: #0A0A0A;
    margin-bottom: 16px;
}

.pauze-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.pauze-tijd {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #2563EB;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pauze-info h4 {
    font-size: 15px;
    font-weight: 700;
    color: #0A0A0A;
    margin-bottom: 4px;
}

.pauze-info p {
    font-size: 14px;
    color: #475569;
    line-height: 1.6;
}

/* Videos */
.videos {
    display: flex;
    flex-direction: row;
    gap: 16px;
    justify-content: center;
    padding: 24px 0 8px;
}

.video-wrapper {
    position: relative;
    width: 260px;
    border-radius: 10px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

.video-wrapper video {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 61, 122, 0.75);
    border: none;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.2s, background 0.2s;
}

.play-btn:hover {
    background: rgba(0, 61, 122, 0.95);
}


footer {
    background-color: #003D7A;
    padding: 5vh 5vw;
    color: white;
}

footer > div {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

footer img {
    width: 1vw;
}