:root {
    --banner-height: 139px;
}

/* ------------------------------
   GLOBAL STYLES
------------------------------ */

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #ffffff;
    color: #000000;
    padding-top: 0;
}

h2, h3 {
    letter-spacing: 5px;
}

p {
    line-height: 1.75;
}

/* ------------------------------
   FULL-WIDTH TOP BANNER (SCROLLS AWAY)
------------------------------ */

.top-banner {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: #ffffff;
    text-align: center;
    padding: 0;
}

.top-banner img {
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* ------------------------------
   NAVIGATION MENU (STICKY)
------------------------------ */

.main-nav {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1999;

    background: linear-gradient(to bottom, #1a4d8f 0%, #0f3a75 100%);
    border-bottom: 1px solid #0a2a55;
    padding: 15px 0;
    text-align: center;

    --stuck: 0; /* default state */
}

.main-nav.is-sticky {
    --stuck: 1; /* when scrolled */
}

/* Sleek GOAL text that fades in/out */
.nav-logo-text {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 42px;
    font-weight: 25;
    letter-spacing: 2px;
    color: #ffffff;
    opacity: calc(var(--stuck));
    transition: opacity 0.35s ease;
    pointer-events: none;
    font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
}

/* NAV LIST */
.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* KEEP the spacing */
.main-nav ul li {
    margin: 0 15px;
}

.main-nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    padding: 10px 1px;
    border-radius: 6px;
}

.main-nav ul li a:hover {
    color: #666666;
}

.main-nav ul li a.active {
    color: #cc9900;
    text-decoration: underline;
    text-decoration-thickness: 3px;
    text-underline-offset: 6px;
}

.donate-btn {
    color: #cc9900;
}

/* ------------------------------
   DROPDOWN MENU
------------------------------ */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropbtn {
    color: #000000;
    font-weight: bold;
    text-decoration: none;
    padding: 0 5px;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: #0f3a75;
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.25);
    z-index: 10;
    border-radius: 6px;
    border: 1px solid #0a2a55;
    text-align: left;
}

.dropdown-content a {
    color: #ffffff;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 15px;
}

.dropdown-content a:hover {
    background: #cddcff;
    color: #ffd84d;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown:hover > .dropbtn {
    color: #ffdd66;
    text-decoration: underline;
    text-decoration-thickness: 3px;
    text-underline-offset: 6px;
}

/* ------------------------------
   INTRO SECTION
------------------------------ */

.intro-section {
    width: 80%;
    max-width: 1000px;
    margin: 60px auto;
    text-align: center;
}

.intro-section h2 {
    font-size: 42px;
    margin-bottom: 10px;
    color: #cc9900;
}

.intro-section h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #b8860b;
}

.endorsement {
    font-size: 20px;
    line-height: 1.6;
    color: #444444;
}

/* ------------------------------
   SLIDESHOW
------------------------------ */

.slideshow-container {
    width: 100%;
    height: 600px;
    position: relative;
    overflow: hidden;
    background: #ffffff;
}

.slide {
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-text {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #ffffff;
    width: 80%;
    text-shadow: 0 0 10px #000;
}

.fade {
    animation-name: fadeEffect;
    animation-duration: 1.5s;
}

@keyframes fadeEffect {
    from { opacity: 0.4; }
    to { opacity: 1; }
}

/* ------------------------------
   RESPONSIVE VIDEO EMBED
------------------------------ */

.video-embed {
    width: 80%;
    max-width: 900px;
    margin: 60px auto;
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.15);
}

/* ------------------------------
   THREE INFO BLOCKS
------------------------------ */

.info-blocks {
    width: 90%;
    max-width: 1200px;
    margin: 60px auto;
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.info-box {
    flex: 1;
    background: #f7f7f7;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 0 10px rgba(0,0,0,0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.info-box:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 18px rgba(0,0,0,0.15);
}

.info-box h3 {
    font-size: 24px;
    color: #cc9900;
    margin-bottom: 15px;
}

.info-box p {
    font-size: 16px;
    color: #444444;
}

.info-box img.icon {
    width: 60px;
    margin-bottom: 15px;
    opacity: 0.9;
}

@media (max-width: 800px) {
    .info-blocks {
        flex-direction: column;
    }
}

/* ------------------------------
   MISSION SECTION
------------------------------ */

.mission-section {
    width: 80%;
    max-width: 1000px;
    margin: 60px auto;
    text-align: center;
}

.mission-section h2 {
    font-size: 38px;
    margin-bottom: 25px;
    color: #cc9900;
}

.mission-text {
    font-size: 20px;
    margin-bottom: 25px;
    color: #444444;
}

/* ------------------------------
   UNESCO-STYLE ELEMENTS
------------------------------ */

.section-blue {
    background: #e8f1fa;
    padding: 60px 0;
}

.section-divider {
    width: 80%;
    margin: 50px auto;
    border-bottom: 2px solid #cc9900;
}

.heading-accent {
    width: 60px;
    height: 4px;
    background: #1a4d8f;
    margin: 10px auto 25px auto;
    border-radius: 2px;
}

/* ------------------------------
   TEAM & PARTNERS IMAGES
------------------------------ */

.team-image-section,
.partners-image-section {
    width: 80%;
    max-width: 900px;
    margin: 40px auto;
    text-align: center;
}

.team-image-section img,
.partners-image-section img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.15);
}

/* Fix navigation overflow */
.main-nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}