html,
body {
    width: 100%;
    overflow-x: hidden;
}

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

body {
    background: #ffffff;
    color: #0f172a;
    font-family:
        Arial,
        Helvetica,
        sans-serif;

    padding-top:80px;
}

a {
    text-decoration: none;
    color: inherit;
}


main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;

    width: 100%;
    box-sizing: border-box;
}

.hero {
    position: relative;
    text-align: center;

    padding: 100px 20px 120px;

    background:
        linear-gradient(180deg,
            #e7efff 0%,
            #f4f7ff 60%,
            #ffffff 100%);
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    color: #475569;
}

.ad-section {
    margin: 40px 0;
}

.about-section {
    margin-top: 60px;
}

.about-section h3 {
    margin-bottom: 20px;
    font-size: 2rem;
}

.about-section p {
    line-height: 1.8;
    color: #475569;
}

.about-card,
.mission-card,
.community-card,
.donate-card {
    display: flex;
    align-items: center;
    gap: 40px;
    background: #ffffff;
    border-radius: 24px;
    padding: 30px;
    margin-top: 30px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, .08);
}

.about-image,
.mission-image,
.community-image,
.donate-image {
    flex: 0 0 400px;
    min-width: 0;
}

.about-image img,
.mission-image img,
.community-image img,
.donate-image img {
    width: 100%;
    display: block;
    border-radius: 18px;
}

.about-content,
.mission-content,
.community-content,
.donate-content {
    flex: 1;
}

.about-content h3,
.mission-content h3,
.community-content h3,
.donate-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #0f172a;
}

.about-content p,
.mission-content p,
.community-content p,
.donate-content p {
    color: #475569;
    line-height: 1.8;
    font-size: 1.05rem;
}

.mission-section,
.community-section,
.donate-section {
    margin-top: 30px;
}

.mission-card,
.community-card,
.donate-card {
    min-height: 220px;
}

.hero-decoration {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* 흐릿한 배경 원 */

.hero-decoration::before {
    content: "";

    position: absolute;

    width: 420px;
    height: 420px;

    border-radius: 50%;

    background:
        rgba(99, 102, 241, .08);

    filter: blur(60px);

    top: -120px;
    left: -120px;
}

.hero-decoration::after {
    content: "";

    position: absolute;

    width: 380px;
    height: 380px;

    border-radius: 50%;

    background:
        rgba(59, 130, 246, .06);

    filter: blur(60px);

    right: -120px;
    top: -80px;
}

.shape {
    position: absolute;
    opacity: .55;
}

/* 네모 */

.shape1 {
    width: 18px;
    height: 18px;
    border: 2px solid #8b9cff;
    top: 80px;
    left: 120px;
}

/* 원 */

.shape2 {
    width: 16px;
    height: 16px;
    border: 2px solid #8b9cff;
    border-radius: 50%;
    top: 160px;
    left: 260px;
}

/* 다이아 */

.shape3 {
    width: 16px;
    height: 16px;
    border: 2px solid #8b9cff;
    transform: rotate(45deg);
    top: 100px;
    right: 180px;
}

/* 큰 원 */

.shape4 {
    width: 24px;
    height: 24px;
    border: 2px solid #8b9cff;
    border-radius: 50%;
    top: 220px;
    right: 90px;
}

/* X */

.shape5 {
    font-size: 28px;
    color: #8b9cff;
    top: 140px;
    right: 320px;
}

.footer {
    margin-top: 80px;

    background: #0f172a;

    color: #ffffff;

    padding: 60px 20px;
}

.footer-content {
    max-width: 1200px;

    margin: auto;

    text-align: center;
}

.footer-content h3 {
    font-size: 1.8rem;

    margin-bottom: 20px;
}

.footer-content p {
    color: #cbd5e1;

    line-height: 1.8;
}

.footer-link {
    display: inline-block;

    margin-top: 20px;

    color: #60a5fa;

    font-weight: 600;
}

.footer-copy {
    margin-top: 30px;

    font-size: .9rem;

    color: #94a3b8;
}

/* ==========================
   Google Adsense
========================== */

.ad-placeholder {

    width: 100%;

    min-height: 280px;

    display: flex;

    align-items: center;

    justify-content: center;

    margin: 30px 0;

    border: 1px dashed #dcdcdc;

    border-radius: 12px;

    background: #fafafa;

    color: #888;

    font-size: 18px;

}