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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a4a5a 0%, #1a2f4a 50%, #2a1a4a 100%);
    color: #e0e0e0;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
header {
    text-align: center;
    padding: 40px 0;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
}

header h1 {
    font-size: 3em;
    color: #4da6ff;
    text-shadow: 0 0 20px rgba(77, 166, 255, 0.5);
    margin-bottom: 10px;
}

.tagline {
    font-size: 1.3em;
    color: #88ccff;
}

/* Main Content */
main {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.apps-intro {
    text-align: center;
    font-size: 1.1em;
    color: #ccc;
    padding: 0 20px;
}

/* Apps Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.app-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 30px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
    border: 2px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.12);
}

.weer-card {
    border-color: rgba(255, 193, 7, 0.3);
}

.weer-card:hover {
    box-shadow: 0 10px 30px rgba(255, 193, 7, 0.4);
}

.aurora-card {
    border-color: rgba(0, 255, 136, 0.3);
}

.aurora-card:hover {
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
}

.waddenzee-card {
    border-color: rgba(77, 166, 255, 0.3);
}

.waddenzee-card:hover {
    box-shadow: 0 10px 30px rgba(77, 166, 255, 0.4);
}

.app-icon {
    font-size: 4em;
    text-align: center;
    margin-bottom: 15px;
}

.app-card h2 {
    font-size: 1.8em;
    margin-bottom: 15px;
    text-align: center;
}

.weer-card h2 {
    color: #ffc107;
}

.aurora-card h2 {
    color: #00ff88;
}

.waddenzee-card h2 {
    color: #4da6ff;
}

.app-card > p {
    font-size: 1em;
    line-height: 1.6;
    color: #ccc;
    margin-bottom: 20px;
    flex-grow: 1;
    text-align: center;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 20px;
}

.feature {
    background: rgba(0, 0, 0, 0.3);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85em;
    color: #aaa;
}

.launch-button {
    background: linear-gradient(135deg, #4da6ff 0%, #3380cc 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-align: center;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s;
}

.weer-card .launch-button {
    background: linear-gradient(135deg, #ffc107 0%, #ff9800 100%);
    color: #0a0e27;
}

.aurora-card .launch-button {
    background: linear-gradient(135deg, #00ff88 0%, #00cc66 100%);
    color: #0a0e27;
}

.app-card:hover .launch-button {
    transform: translateX(5px);
}

/* Info Section */
.info-section {
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.info-section h3 {
    text-align: center;
    font-size: 2em;
    color: #88ccff;
    margin-bottom: 30px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.info-card {
    background: rgba(0, 0, 0, 0.2);
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid #4da6ff;
}

.info-card:nth-child(1) {
    border-left-color: #ffc107;
}

.info-card:nth-child(2) {
    border-left-color: #00ff88;
}

.info-card:nth-child(3) {
    border-left-color: #4da6ff;
}

.info-card h4 {
    font-size: 1.3em;
    margin-bottom: 12px;
    color: #88ccff;
}

.info-card p {
    line-height: 1.7;
    color: #ccc;
}

/* Features Section */
.features-section {
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.features-section h3 {
    text-align: center;
    font-size: 2em;
    color: #88ccff;
    margin-bottom: 30px;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    background: rgba(0, 0, 0, 0.2);
    padding: 20px;
    border-radius: 10px;
}

.feature-icon {
    font-size: 2em;
    min-width: 50px;
    text-align: center;
}

.feature-text strong {
    display: block;
    font-size: 1.1em;
    color: #88ccff;
    margin-bottom: 5px;
}

.feature-text p {
    color: #aaa;
    font-size: 0.95em;
    line-height: 1.5;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    margin-top: 40px;
    color: #888;
    font-size: 0.9em;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer p {
    margin: 5px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.2em;
    }

    .tagline {
        font-size: 1.1em;
    }

    .apps-grid {
        grid-template-columns: 1fr;
        padding: 0 10px;
    }

    .info-grid,
    .features-list {
        grid-template-columns: 1fr;
    }

    .feature-item {
        flex-direction: column;
        text-align: center;
    }

    .feature-icon {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    header {
        padding: 20px;
    }

    header h1 {
        font-size: 1.8em;
    }

    .app-card {
        padding: 20px;
    }

    .app-icon {
        font-size: 3em;
    }
}