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

body {
    font-family: Arial, Helvetica, sans-serif;
    color: #ffffff;
    background:
        linear-gradient(rgba(0, 42, 72, .72), rgba(0, 87, 128, .72)),
        url("https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&w=2000&q=80");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 6%;
    background: rgba(3, 35, 54, .78);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,.22);
}

.brand {
    display: flex;
    align-items: center;
    overflow: show;
    gap: 14px;
    color: white;
    text-decoration: none;
    font-weight: 800;
    letter-spacing: .5px;
}

.brand img {
    width: 58px;
    height: 58px;
    object-fit: contain;
}


.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover {
    color: #8eeaff;
    border-bottom-color: #8eeaff;
}

#nav-toggle {
    display: none;
}

.nav-button {
    display: none;
    font-size: 2rem;
    cursor: pointer;
}

.hero {
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 90px 25px;
    text-align: center;
}

.hero-content {
    max-width: 1000px;
    background: rgba(255,255,255,.10);
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 28px;
    padding: 45px;
    backdrop-filter: blur(13px);
    box-shadow: 0 20px 45px rgba(0,0,0,.28);
}

.hero h1 {
    font-size: clamp(2.3rem, 6vw, 5rem);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0,0,0,.45);
}

.hero p {
    font-size: 1.25rem;
    line-height: 1.8;
}

.page-container {
    max-width: 1250px;
    margin: auto;
    padding: 50px 30px 90px;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.info-box,
.form-box,
.gallery-card {
    background: rgba(255,255,255,.13);
    border: 1px solid rgba(255,255,255,.24);
    border-radius: 24px;
    padding: 30px;
    backdrop-filter: blur(16px);
    box-shadow: 0 14px 35px rgba(0,0,0,.26);
}

.info-box.wide {
    grid-column: 1 / -1;
}

h2 {
    color: #9ff0ff;
    font-size: 2rem;
    margin-bottom: 15px;
}

p, li {
    font-size: 1.05rem;
    line-height: 1.8;
}

ul {
    padding-left: 22px;
}

.button,
button {
    display: inline-block;
    margin-top: 18px;
    background: #74dff5;
    color: #023047;
    border: none;
    border-radius: 999px;
    padding: 13px 24px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.button:hover,
button:hover {
    background: #b8f7ff;
}

form label {
    display: block;
    margin-top: 16px;
    margin-bottom: 7px;
    font-weight: 700;
}

input,
textarea,
select {
    width: 100%;
    padding: 13px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.35);
    background: rgba(255,255,255,.88);
    color: #023047;
    font-size: 1rem;
}

textarea {
    min-height: 150px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.gallery-photo {
    height: 220px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(116,223,245,.7), rgba(0,87,128,.9));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    letter-spacing: 1px;
    border: 1px solid rgba(255,255,255,.25);
}

.donation-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin: 18px 0;
}

.donation-options button {
    margin-top: 0;
}

.site-footer {
    text-align: center;
    padding: 45px 25px;
    background: rgba(3, 35, 54, .84);
    border-top: 1px solid rgba(255,255,255,.2);
}

.social-links {
    margin: 20px 0;
}

.social-links a {
    color: #9ff0ff;
    margin: 0 12px;
    font-weight: 700;
}

.small {
    font-size: .9rem;
    opacity: .85;
}

@media (max-width: 850px) {
    .site-header {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .nav-button {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        padding-top: 20px;
        align-items: flex-start;
    }

    #nav-toggle:checked ~ .nav-links {
        display: flex;
    }

    .content-grid,
    .gallery-grid,
    .donation-options {
        grid-template-columns: 1fr;
    }

    .hero-content {
        padding: 30px;
    }
}