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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f7fa;
    padding: 0px;
}

.section-title {
    text-align: center;
    color: #003366;
    margin-bottom: 30px;
    font-size: 2.2em;
}

.donation-box {
    background: #ffffff;
    border-radius: 16px;
    padding: 35px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    max-width: 720px;
    width: 100%;
    margin: 0 auto;
}

.tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 3px solid #e0e0e0;
}

.tab-btn {
    flex: 1;
    padding: 14px 20px;
    background: none;
    border: none;
    font-size: 1.1em;
    cursor: pointer;
    color: #555;
    transition: all 0.3s;
}

.tab-btn.active {
    color: #004488;
    font-weight: bold;
    border-bottom: 3px solid #004488;
}

.tab-content {
    min-height: 300px;
    width: 100%;
    min-width: unset;
}

.select {
    width: 100%;
    padding: 14px;
    font-size: 1.05em;
    border: 2px solid #ddd;
    border-radius: 8px;
    margin-bottom: 20px;
    background: white;
}

.btn-doe {
    width: 100%;
    background: #004488;
    color: white;
    border: none;
    padding: 16px;
    font-size: 1.15em;
    font-weight: bold;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-doe:hover {
    background: #0066cc;
}

.address {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95em;
    word-break: break-all;
    background: #f0f0f0;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    color: #333;
}
        * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; }
        html { scroll-behavior: smooth; }
        body { line-height: 1.6; color: #333; background-color: #f4f4f4; overflow-x: hidden; }
        img, video { max-width: 100%; height: auto; }

        header { 
    background: rgba(0, 68, 136, 0.95); 
    color: white; 
    padding: 1rem 5%; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    backdrop-filter: blur(8px);
    transition: 0.3s;
}
.logo-img {
    height: 50px; 
    width: auto;
    transition: 0.3s;
}

header.scrolled .logo-img {
    height: 40px;
}

header.scrolled {
    padding: 0.7rem 5%;
    background: rgba(0, 68, 136, 0.85);
}

.logo h2 { 
    font-size: 1.4rem; 
    letter-spacing: -1px; 
    transition: 0.3s;
}

nav { 
    display: flex; 
    align-items: center;
}

nav a { 
    position: relative;
    color: white; 
    text-decoration: none; 
    margin-left: 25px; 
    font-weight: bold; 
    font-size: 0.95rem; 
    transition: 0.3s; 
}

nav a::after {
    content: "";
    position: absolute;
    width: 0%;
    height: 2px;
    left: 0;
    bottom: -5px;
    background: #ffcc00;
    transition: 0.3s;
}

nav a:hover {
    color: #ffcc00;
}

nav a:hover::after {
    width: 100%;
}

nav a {
    opacity: 0;
    transform: translateY(-10px);
    animation: fadeIn 0.5s forwards;
}

nav a:nth-child(1) { animation-delay: 0.1s; }
nav a:nth-child(2) { animation-delay: 0.2s; }
nav a:nth-child(3) { animation-delay: 0.3s; }
nav a:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
        /* hero */
        .hero { 
            background:
            url('https://images.unsplash.com/photo-1581092160562-40aa08e78837?auto=format&fit=crop&w=1350&q=80') center/cover no-repeat; 
            min-height: 70vh; 
            color: rgb(0, 0, 0); 
            display: flex; 
            flex-direction: column; 
            justify-content: center; 
            align-items: center; 
            text-align: center; 
            padding: 40px 5%; 
        }
        .hero h1 { font-size: clamp(1.8rem, 5vw, 3.5rem); margin-bottom: 15px; line-height: 1.2; }
        .hero p { font-size: clamp(1rem, 2vw, 1.3rem); max-width: 700px; margin-bottom: 30px; }

        .hero {
    height: 100vh;
    background: 
        linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.75)),
        url('https://images.unsplash.com/photo-1581092160562-40aa08e78837') center/cover;
    
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 20px;
}

/* title */
.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 0 2px 15px rgba(0,0,0,0.8);
}

/* glow */
.hero h1 span {
    color: #ffcc00;
    text-shadow: 0 0 5px rgba(255, 204, 0, 0.6);
}

/* desc */
.hero p {
    font-size: 1.2rem;
    margin-top: 15px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    color: #f1f1f1;
    text-shadow: 0 2px 8px rgba(0,0,0,0.7);
}

/* hr button */
.hero .btn {
    margin-top: 25px;
    background: linear-gradient(45deg, #004488, #0066cc);
    color: #68aef3;
    padding: 14px 28px;
    border-radius: 6px;
    font-weight: bold;
    text-decoration: none;
    transition: 0.3s;
}

.hero .btn:hover {
    transform: translateY(-2px);
    background: linear-gradient(45deg, #0066cc, #004488);
}

        /* buttons */
        .btn-cad:hover { background: #68aef3; transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0,0,0,0.2); }

        /* sec/grid */
        section { padding: clamp(3rem, 8vw, 5rem) 8%; }
        .section-title { text-align: center; margin-bottom: 3rem; color: #004488; font-size: clamp(1.8rem, 4vw, 2.5rem); }

       .courses-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
        }
        .course-card { 
            background: white; 
            padding: 30px; 
            border-radius: 12px; 
            box-shadow: 0 4px 15px rgba(0,0,0,0.06); 
            border-top: 6px solid #004488; 
            transition: 0.3s; 
            text-align: center;
        }
        .course-card:hover { transform: translateY(-10px); box-shadow: 0 12px 30px rgba(0,0,0,0.12); }
        .icon { font-size: 3rem; margin-bottom: 15px; display: block; }
        .course-card h3 { margin-bottom: 15px; color: #004488; }

        /* dnt */
        #doacoes { background: #eef4f9; border-radius: 30px; margin: 2rem 5%; padding: 4rem 5%; }
        .donation-box { max-width: 600px; margin: 0 auto; background: white; padding: clamp(20px, 5vw, 40px); border-radius: 20px; box-shadow: 0 10px 40px rgba(0,0,0,0.05); }
        #combo-doacao { width: 100%; padding: 15px; font-size: 1rem; border-radius: 8px; border: 2px solid #ddd; margin-bottom: 20px; outline: none; appearance: none; background: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23004488%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22/%3E%3C/svg%3E') no-repeat right 15px center; background-size: 12px; }
        .pix-info { margin-top: 25px; font-size: 0.9rem; color: #555; background: #f8f8f8; padding: 15px; border-radius: 8px; border: 1px dashed #004488; }

        /* footer*/
        footer { background: #1a1a1a; color: white; text-align: center; padding: 3rem 5%; }

        /* adj */
        @media (max-width: 768px) {
            header { flex-direction: column; padding: 1.5rem 5%; }
            nav { margin-top: 15px; gap: 10px; }
            nav a { margin: 5px; font-size: 0.85rem; }
            section { padding: 3rem 5%; }
            #doacoes { margin: 2rem 2%; padding: 3rem 5%; }
        }

        @media (max-width: 480px) {
            .logo h2 { font-size: 1.2rem; }
            .hero h1 { font-size: 1.8rem; }
            .btn-doe { width: 100%; text-align: center; }
        }
        header {
    background: linear-gradient(270deg, #004488, #0066cc, #004488);
    background-size: 600% 600%;
    animation: gradientMove 8s ease infinite;
    color: white;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* header animation */
@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.intro-pagamento {
  background: #1c1c1c;
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 20px;
  text-align: left;
}

.intro-pagamento h2 {
  margin-bottom: 10px;
}

.intro-pagamento p {
  line-height: 1.5;
  opacity: 0.9;
}

.item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    background: #f5f7fa;
    padding: 10px;
    border-radius: 6px;
}

.item span {
    font-weight: bold;
    color: #004488;
}

.item button {
    background: #004488;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.item button:hover {
    background: #0066cc;
}
@media (max-width: 600px) {
    .item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .item button {
        align-self: flex-end;
    }
}