/* Global Styles (mobile-first) */
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #e0f7fa, #e1bee7);
    color: #333;
    -webkit-font-smoothing: antialiased;
}

/* Layout container */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Navigation Bar - flex layout */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    gap: 12px;
}

.navbar .logo { display: flex; align-items: center; }
.logo img { max-width: 150px; height: auto; display: block; }

/* Mobile nav toggle (hidden on desktop) */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 26px;
    color: #4a148c;
    cursor: pointer;
}

/* Navigation links */
.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 20px;
    align-items: center;
}

.nav-links li a {
    text-decoration: none;
    color: #4a148c;
    font-weight: 700;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.nav-links li a:hover { background-color: rgba(74,20,140,0.08); }

/* Home Section */
#home {
    padding: 24px;
    background: rgba(255,255,255,0.85);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    margin: 24px 0;
}

#home h1 { font-size: 1.6rem; color: #4a148c; margin-bottom: 16px; }

/* Content layout (flex) */
.content { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-start; }
.content p { flex: 1 1 300px; line-height: 1.6; font-size: 1rem; }
.pic img { max-width: 300px; width: 100%; border-radius: 12px; box-shadow: 0 4px 10px rgba(0,0,0,0.15); }

/* Map container */
.map-container { margin: 20px 0; text-align: center; }
.map-container iframe { width: 100%; max-width: 900px; height: 300px; border: 0; }

/* About Page - Info Section */
.info {
    background-color: rgba(255,255,255,0.95);
    padding: 24px;
    margin: 24px 0;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    color: #333;
}

.info h1 { font-size: 1.8rem; color: #4a148c; margin-bottom: 10px; border-bottom: 2px solid #4a148c; padding-bottom: 8px; }
.info h2 { font-size: 1.25rem; color: #6a1b9a; margin-top: 12px; }
.info p { line-height: 1.7; font-size: 1rem; text-align: justify; }

/* Responsive rules */
@media (min-width: 769px) {
    #home h1 { font-size: 2em; }
    .content { gap: 40px; }
}

/* Use CSS Grid for main content on wider screens to avoid full-width stretching */
@media (min-width: 900px) {
    .content {
        display: grid;
        grid-template-columns: 1fr 320px;
        align-items: start;
        gap: 40px;
    }
    .pic img { max-width: 320px; }
    /* Slightly larger centered container on desktop */
    .container { max-width: 1200px; }
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links { display: none; width: 100%; flex-direction: column; gap: 8px; margin-top: 8px; }
    .nav-links.show { display: flex; }
    .navbar { flex-wrap: wrap; padding: 12px 0; }
    .logo img { max-width: 130px; }
    #home { padding: 16px; margin: 16px 0; }
    .pic img { max-width: 90%; }
    .map-container iframe { height: 220px; }
}

@media (min-width: 900px) {
    .container { padding: 0 24px; }
}

/* Utility */
.hidden { display: none !important; }

/* Modal popup styles */
.modal-overlay {
    position: fixed;
    inset: 0; /* top:0; right:0; bottom:0; left:0 */
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal-dialog {
    background: #fff;
    border-radius: 10px;
    max-width: 95%;
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    overflow: hidden;
    width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}
.modal-body {
    padding: 12px;
    overflow: auto; /* scroll if content is too tall */
}
.modal-body img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}
.modal-close {
    background: transparent;
    border: none;
    font-size: 20px;
    padding: 8px 12px;
    align-self: flex-end;
    cursor: pointer;
}

/* Controls for modal carousel */
.modal-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 10px 12px 16px;
}
.modal-prev, .modal-next {
    background: #4a148c;
    color: #fff;
    border: none;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 18px;
    cursor: pointer;
}
.modal-prev:disabled, .modal-next:disabled { opacity: 0.45; cursor: default; }
.modal-image { display: block; max-width: 100%; height: auto; }

@media (max-width: 520px) {
    .modal-dialog { width: 100%; border-radius: 6px; }
}