@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: #f8f9fb;
    color: #333;
}

/* Header */
header {
    background-color: white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    color: #2E4F75;
    font-size: 1.4rem;
}

nav a {
    margin-left: 25px;
    text-decoration: none;
    color: #2E4F75;
    font-weight: 600;
}

nav a:hover, nav a.active {
    color: #5481B7;
}

/* Hero */
.hero {
    text-align: center;
    padding: 80px 20px 60px;
    background: linear-gradient(90deg, #FDE6E6, #E8F0FF);
}

.hero h1 {
    color: #2E4F75;
    font-size: 2.4rem;
    margin-bottom: 10px;
}

.hero p {
    color: #555;
    font-size: 1.1rem;
}

/* Intro sectie */
.intro {
    background-color: #fff8e6;
    border-radius: 15px;
    margin: 40px auto;
    max-width: 900px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
}

.links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}

.btn {
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    color: white;
    transition: transform 0.2s ease;
}

.btn.blue {
    background-color: #5481B7;
}

.btn.purple {
    background-color: #8e67f0;
}

.btn:hover {
    transform: translateY(-2px);
}

/* Poster sectie */
.poster-section {
    position: relative;
    text-align: center;
    padding: 50px 20px;
    background: white;
}

.poster-slider {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.poster-slide {
    display: none;
    animation: fade 0.8s ease;
}

.poster-slide.active {
    display: block;
}

.poster-slide img {
    max-width: 100%;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.poster-slide h3 {
    color: #2E4F75;
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.poster-slide p {
    color: #555;
}

.poster-controls {
    margin-top: 15px;
}

.poster-controls button {
    background: #5481B7;
    border: none;
    color: white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    margin: 5px;
    cursor: pointer;
    font-size: 1rem;
}

.poster-controls button:hover {
    background: #2E4F75;
}

@keyframes fade {
    from {opacity: 0;}
    to {opacity: 1;}
}

/* Tips sectie */
.tips {
    background-color: #fff8e6;
    padding: 60px 20px;
    text-align: center;
}

.tips h2 {
    color: #2E4F75;
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.tips-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    max-width: 900px;
    margin: 0 auto;
}

.tip {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.05);
}
.tip:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    background: #ffffff;
}
.tip i {
    color: #5481B7;
    font-size: 2rem;
    margin-bottom: 10px;
}

.tip h3 {
    color: #2E4F75;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.tip p {
    color: #555;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 700px) {
    .hero h1 {
        font-size: 2rem;
    }

    .intro {
        margin: 20px;
        padding: 25px 15px;
    }

    .poster-slide img {
        max-width: 95%;
    }
}
/* Lightbox overlay */
.lightbox {
    display: none;
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

.lightbox-img {
    max-width: 80%;
    max-height: 70%;
    margin-bottom: 1rem;
    border-radius: 8px;
}

.lightbox h3,
.lightbox p {
    color: #fff;
    margin: 0.2rem 0;
}

.lightbox .close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
}