* {
    box-sizing: border-box;
}

body {
    font-family: "Google Sans", sans-serif;
    font-size: 16px;
    color: #1d1d1d;
    background: #fff;
    line-height: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: #fff;
    color: #1d1d1d;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== HEADER ===== */
.page-header {
    padding: 2rem 0;
    border-bottom: 1px solid #f5f4f7;
}

.page-header .container {
    display: flex;
    align-items: center;
}

.page-header__logo {
    display: inline-flex;
    align-items: center;
}

.page-header__logo img {
    height: 3.6rem;
    width: auto;
}

/* ===== MAIN CONTENT ===== */
.page-main {
    flex: 1;
    padding: 4rem 0 6rem;
}

.page-main h1 {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 3rem;
    color: #1d1d1d;
}

.page-main h2 {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 3rem 0 1.5rem;
    color: #1d1d1d;
}

.page-main h3 {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 2.5rem 0 1.2rem;
    color: #1d1d1d;
}

.page-main p {
    font-size: 1.6rem;
    line-height: 1.65;
    font-weight: 400;
    margin-bottom: 1.6rem;
    color: #3a3a3a;
}

.page-main ul {
    margin-bottom: 2rem;
    padding-left: 0;
}

.page-main ul > li {
    position: relative;
    padding: 0.4rem 0 0.4rem 2rem;
    font-size: 1.6rem;
    line-height: 1.6;
    color: #3a3a3a;
}

.page-main ul > li::before {
    content: "";
    display: block;
    position: absolute;
    top: 1.2rem;
    left: 0;
    width: 0.6rem;
    height: 0.6rem;
    background: #1d1d1d;
    border-radius: 50%;
}

/* ===== CHECKBOX ===== */
.page-checkbox {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.page-checkbox [type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.page-checkbox label {
    position: relative;
    padding-left: 3.2rem;
    cursor: pointer;
    font-size: 1.6rem;
    line-height: 2.4rem;
    user-select: none;
    color: #3a3a3a;
}

.page-checkbox label::before {
    content: "";
    position: absolute;
    top: 0.2rem;
    left: 0;
    width: 2rem;
    height: 2rem;
    border: 2px solid #ccc;
    border-radius: 0.4rem;
    background: #fff;
    transition: all 0.2s;
}

.page-checkbox [type="checkbox"]:checked + label::before {
    background: #1d1d1d;
    border-color: #1d1d1d;
}

.page-checkbox [type="checkbox"]:checked + label::after {
    content: "";
    position: absolute;
    top: 0.5rem;
    left: 0.7rem;
    width: 0.6rem;
    height: 1.1rem;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* ===== FOOTER ===== */
.page-footer {
    background: #f9f9f9;
    border-top: 1px solid #f5f4f7;
    padding: 3rem 0;
    margin-top: auto;
}

.page-footer__info {
    font-size: 1.3rem;
    line-height: 1.6;
    color: #888;
    margin-bottom: 1rem;
}

.page-footer__info b {
    font-weight: 600;
    color: #666;
}

.page-footer__copyright {
    font-size: 1.3rem;
    line-height: 1.6;
    color: #aaa;
}

.page-footer__copyright b {
    font-weight: 600;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 1.6rem;
    }

    .page-header {
        padding: 1.4rem 0;
    }

    .page-header__logo img {
        height: 2.8rem;
    }

    .page-main {
        padding: 3rem 0 4rem;
    }

    .page-main h1 {
        font-size: 2.4rem;
        margin-bottom: 2rem;
    }

    .page-main h2 {
        font-size: 1.8rem;
    }

    .page-main h3 {
        font-size: 1.6rem;
    }

    .page-main p,
    .page-main ul > li {
        font-size: 1.4rem;
    }

    .page-footer {
        padding: 2rem 0;
    }

    .page-footer__info,
    .page-footer__copyright {
        font-size: 1.2rem;
    }
}