/* LWA Project Webpage — "Desert Night Observatory" Theme
   Deep navy & warm amber palette inspired by New Mexico twilight skies.
   ================================================================== */

/* ---- Custom Properties ---- */
:root {
    --lwa-night:       #0b1a2e;
    --lwa-night-mid:   #122240;
    --lwa-dusk:        #1a2d4a;
    --lwa-twilight:    #243b5c;
    --lwa-sand:        #c08b3e;
    --lwa-sand-bright: #d9a24e;
    --lwa-sand-pale:   #e6c47a;
    --lwa-cream:       #f7f4ee;
    --lwa-stone:       #eae4da;
    --lwa-stone-dark:  #d6cfc3;
    --lwa-text:        #1e1e1e;
    --lwa-text-soft:   #3d3d3d;
    --lwa-text-light:  #e8e4dd;
    --lwa-text-muted:  #8a95a7;
    --lwa-maroon:      #730000;
    --lwa-maroon-light:#9a1a1a;
    --lwa-radius:      6px;
    --lwa-transition:  0.25s ease;
}

/* ---- Reset & Base ---- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
    background-color: var(--lwa-cream);
    color: var(--lwa-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    margin: 0;
}

a {
    color: var(--lwa-sand);
    text-decoration: none;
    transition: color var(--lwa-transition);
}
a:hover {
    color: var(--lwa-sand-bright);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'DM Sans', 'Georgia', serif;
    color: var(--lwa-night);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

h2 {
    color: var(--lwa-maroon);
}

p {
    margin-bottom: 1rem;
}

img {
    max-width: 100%;
    height: auto;
}

::selection {
    background: var(--lwa-sand);
    color: #fff;
}

/* ---- Navbar ---- */
.navbar {
    background-color: var(--lwa-night) !important;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-size: 0.9rem;
    padding: 0.6rem 0;
    letter-spacing: 0.02em;
}

.navbar-brand {
    font-family: 'DM Sans', sans-serif;
    font-weight: 800;
    color: #fff !important;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-logo {
    height: 34px;
    width: auto;
    flex-shrink: 0;
    opacity: 0.9;
}

.navbar .nav-link {
    color: rgba(255,255,255,0.7) !important;
    padding: 0.5rem 0.85rem;
    font-weight: 500;
    transition: color var(--lwa-transition);
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
    color: var(--lwa-sand-pale) !important;
}

.navbar .dropdown-menu {
    background-color: var(--lwa-night-mid);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--lwa-radius);
    padding: 0.5rem 0;
    margin-top: 0.25rem;
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
    backdrop-filter: blur(12px);
    font-size: 0.84rem;
}

.navbar .dropdown-item {
    color: rgba(255,255,255,0.75);
    padding: 0.45rem 1.25rem;
    transition: all var(--lwa-transition);
    font-weight: 400;
}

.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
    background-color: rgba(192,139,62,0.15);
    color: var(--lwa-sand-pale);
}

.navbar .dropdown-divider {
    border-color: rgba(255,255,255,0.08);
}

.navbar-toggler {
    border-color: rgba(255,255,255,0.2);
    padding: 0.35rem 0.6rem;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28232,196,122,0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---- Hero / Header ---- */
.lwa-hero {
    background:
        linear-gradient(
            160deg,
            rgba(11,26,46,0.92) 0%,
            rgba(26,45,74,0.78) 40%,
            rgba(139,42,0,0.35) 100%
        ),
        url('images/lwa.jpg') no-repeat center center;
    background-size: cover;
    padding: 5rem 1.5rem 4.5rem;
    text-align: center;
    color: #fff;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.lwa-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(192,139,62,0.12) 0%, transparent 70%),
        radial-gradient(ellipse 50% 50% at 80% 20%, rgba(11,26,46,0.3) 0%, transparent 70%);
    pointer-events: none;
}

.lwa-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, var(--lwa-cream), transparent);
    pointer-events: none;
}

.lwa-hero-logo {
    height: 90px;
    width: auto;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 2px 12px rgba(0,0,0,0.3));
}

.lwa-hero h1 {
    color: #fff;
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(2rem, 5vw, 3.2rem);
    margin: 0;
    font-weight: 800;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 20px rgba(0,0,0,0.4);
    position: relative;
    z-index: 1;
}

.lwa-hero h2 {
    color: var(--lwa-sand-pale);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(0.95rem, 2vw, 1.15rem);
    font-style: italic;
    font-weight: 400;
    margin: 0.75rem 0 0;
    text-shadow: 0 1px 10px rgba(0,0,0,0.3);
    letter-spacing: 0.04em;
    position: relative;
    z-index: 1;
}

/* Page title bar for interior pages */
.lwa-page-title {
    background: var(--lwa-night);
    padding: 1.5rem 0;
    border-bottom: 3px solid var(--lwa-maroon);
}

.lwa-page-title h1 {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
    letter-spacing: -0.01em;
}

/* ---- Sidebar ---- */
.lwa-sidebar {
    position: sticky;
    top: 80px;
}

.lwa-sidebar h5 {
    color: var(--lwa-maroon);
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--lwa-maroon);
}

.lwa-sidebar .list-group-item {
    border: none;
    border-bottom: 1px solid var(--lwa-stone);
    padding: 0.55rem 0;
    background: transparent;
    font-size: 0.88rem;
}

.lwa-sidebar .list-group-item a {
    color: var(--lwa-text-soft);
    text-decoration: none;
    transition: all var(--lwa-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.lwa-sidebar .list-group-item a::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    background: var(--lwa-stone-dark);
    border-radius: 50%;
    transition: all var(--lwa-transition);
    flex-shrink: 0;
}

.lwa-sidebar .list-group-item a:hover {
    color: var(--lwa-sand);
}

.lwa-sidebar .list-group-item a:hover::before {
    background: var(--lwa-sand);
    transform: scale(1.5);
}

.lwa-sidebar .list-group-item.active-page a {
    font-weight: 700;
    color: var(--lwa-maroon);
}

.lwa-sidebar .list-group-item.active-page a::before {
    background: var(--lwa-maroon);
    width: 6px;
    height: 6px;
}

/* ---- Main content area ---- */
.lwa-content {
    background: #fff;
    padding: 2.5rem 3rem;
    margin-bottom: 1.5rem;
    border-radius: var(--lwa-radius);
    border: 1px solid var(--lwa-stone);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.lwa-content h2 {
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--lwa-stone);
    color: var(--lwa-maroon);
}

.lwa-content h3 {
    font-size: 1.15rem;
    margin-top: 1.75rem;
    margin-bottom: 0.75rem;
    color: var(--lwa-dusk);
}

.lwa-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--lwa-radius);
}

.lwa-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}

.lwa-content table th {
    background-color: var(--lwa-night);
    color: var(--lwa-text-light);
    padding: 0.65rem 0.85rem;
    text-align: left;
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.lwa-content table td {
    padding: 0.6rem 0.85rem;
    border-bottom: 1px solid var(--lwa-stone);
    vertical-align: top;
}

.lwa-content table tr:hover td {
    background-color: rgba(192,139,62,0.08);
}

.lwa-content ul, .lwa-content ol {
    padding-left: 1.25rem;
}

.lwa-content li {
    margin-bottom: 0.35rem;
}

/* ---- News sidebar (homepage) ---- */
.lwa-news-sidebar h5 {
    color: var(--lwa-night);
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
}

.lwa-news-sidebar h6 {
    color: var(--lwa-sand);
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.lwa-news-sidebar p {
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: var(--lwa-text-soft);
}

/* ---- Homepage sections ---- */

/* Welcome */
.lwa-welcome {
    padding: 3.5rem 0;
}

.lwa-welcome h2 {
    font-size: 2rem;
    margin-bottom: 1.25rem;
    border: none;
}

.lwa-welcome p {
    font-size: 1.05rem;
    color: var(--lwa-text-soft);
    line-height: 1.8;
}

.lwa-welcome-img {
    border-radius: 10px;
    box-shadow:
        0 4px 20px rgba(0,0,0,0.08),
        0 0 0 1px var(--lwa-stone);
}

/* Quick Links */
.lwa-quick-links {
    background: var(--lwa-night);
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
}

.lwa-quick-links::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 30% 100%, rgba(192,139,62,0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 60% at 90% 0%, rgba(26,45,74,0.5) 0%, transparent 60%);
    pointer-events: none;
}

.lwa-quick-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.75rem 1rem;
    border-radius: var(--lwa-radius);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    color: var(--lwa-text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.lwa-quick-link:hover {
    background: rgba(192,139,62,0.1);
    border-color: rgba(192,139,62,0.25);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}

.lwa-quick-link i {
    font-size: 1.5rem;
    color: var(--lwa-sand);
    margin-bottom: 0.75rem;
    transition: transform 0.3s ease;
}

.lwa-quick-link:hover i {
    transform: scale(1.15);
}

.lwa-quick-link h6 {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0;
    color: inherit;
}

/* News Cards */
.lwa-news-section {
    padding: 3.5rem 0;
}

.lwa-news-section > .container > h2 {
    border: none;
}

.lwa-news-section > .container > h2 a {
    color: var(--lwa-night);
    transition: color var(--lwa-transition);
}

.lwa-news-section > .container > h2 a:hover {
    color: var(--lwa-sand);
}

.lwa-news-card {
    background: #fff;
    border: 1px solid var(--lwa-stone);
    border-radius: var(--lwa-radius);
    padding: 1.5rem;
    height: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.lwa-news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--lwa-maroon), var(--lwa-sand));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lwa-news-card:hover {
    border-color: var(--lwa-sand);
    box-shadow: 0 8px 25px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}

.lwa-news-card:hover::before {
    opacity: 1;
}

.lwa-news-card .card-date {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--lwa-text-muted);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.lwa-news-card .card-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.lwa-news-card .card-title a {
    color: var(--lwa-night);
    transition: color var(--lwa-transition);
}

.lwa-news-card .card-title a:hover {
    color: var(--lwa-sand);
}

.lwa-news-card .card-text {
    font-size: 0.9rem;
    color: var(--lwa-text-soft);
    line-height: 1.6;
}

/* Partner Logos */
.lwa-partners {
    background: var(--lwa-stone);
    padding: 3rem 0;
}

.lwa-partners h5 {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--lwa-text-muted);
    text-align: center;
    margin-bottom: 1.75rem;
}

.lwa-logo-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem 2.5rem;
    padding: 0.5rem 0;
}

.lwa-logo-grid img {
    max-height: 48px;
    max-width: 140px;
    width: auto;
    height: auto;
    opacity: 0.55;
    filter: grayscale(100%);
    transition: all 0.3s ease;
}

.lwa-logo-grid img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* ---- Footer ---- */
.lwa-footer {
    background-color: var(--lwa-night);
    color: rgba(255,255,255,0.5);
    padding: 2.5rem 0 2rem;
    font-size: 0.82rem;
    margin-top: 0;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.lwa-footer a {
    color: var(--lwa-sand-pale);
}

.lwa-footer a:hover {
    color: var(--lwa-sand-bright);
}

.lwa-footer .nsf-text {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.35);
    max-width: 600px;
    margin: 0 auto 0.75rem;
    line-height: 1.6;
}

.lwa-powered-by {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.35);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.lwa-powered-by img {
    height: 24px;
    width: auto;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.lwa-powered-by:hover img {
    opacity: 1;
}

.lwa-footer p:last-child {
    color: rgba(255,255,255,0.25);
    font-size: 0.75rem;
}

/* ---- Utility ---- */
.text-sand   { color: var(--lwa-sand) !important; }
.text-maroon { color: var(--lwa-maroon) !important; }
.bg-night    { background-color: var(--lwa-night) !important; }

/* ---- Animation: fade-up on scroll ---- */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-up {
    animation: fadeUp 0.6s ease forwards;
}

.fade-up-delay-1 { animation-delay: 0.1s; opacity: 0; }
.fade-up-delay-2 { animation-delay: 0.2s; opacity: 0; }
.fade-up-delay-3 { animation-delay: 0.3s; opacity: 0; }
.fade-up-delay-4 { animation-delay: 0.4s; opacity: 0; }

/* ---- Responsive ---- */
@media (max-width: 991.98px) {
    .lwa-hero {
        padding: 3rem 1rem 2.5rem;
        min-height: 200px;
    }
    .lwa-content {
        padding: 1.5rem;
    }
    .lwa-welcome {
        padding: 2rem 0;
    }
    .lwa-quick-links {
        padding: 2rem 0;
    }
}

@media (max-width: 575.98px) {
    .lwa-hero h1 {
        font-size: 1.6rem;
    }
    .lwa-content {
        padding: 1.25rem 1rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    .lwa-logo-grid {
        gap: 1.25rem 1.5rem;
    }
    .lwa-logo-grid img {
        max-height: 36px;
        max-width: 110px;
    }
}