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

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f7fb;
    color: #1f2937;
    line-height: 1.65;
}

a {
    text-decoration: none;
}

.container {
    width: min(1100px, calc(100% - 40px));
    margin: auto;
}


/* HEADER */

.site-header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    height: 72px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 22px;
    color: #b91c1c;
}

.logo span {
    color: #111827;
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    color: #374151;
    font-weight: 600;
}

.nav-links a:hover {
    color: #b91c1c;
}


/* HERO */

.hero {
    padding: 90px 0 75px;
    text-align: center;
    background:
        radial-gradient(circle at top, #fee2e2 0, transparent 40%),
        #f8fafc;
}

.badge {
    display: inline-block;
    background: #fee2e2;
    color: #991b1b;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(38px, 6vw, 64px);
    line-height: 1.08;
    color: #111827;
    max-width: 850px;
    margin: 0 auto 22px;
}

.hero p {
    max-width: 700px;
    margin: 0 auto 32px;
    color: #6b7280;
    font-size: 18px;
}

.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 15px 25px;
    border-radius: 10px;
    background: #b91c1c;
    color: white;
    font-weight: 700;
    transition: .2s;
}

.button:hover {
    background: #991b1b;
    transform: translateY(-1px);
}

.button-secondary {
    background: #fff;
    border: 1px solid #d1d5db;
    color: #374151;
}

.button-secondary:hover {
    background: #f9fafb;
}


/* CONTENT */

.section {
    padding: 70px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 34px;
    color: #111827;
    margin-bottom: 10px;
}

.section-title p {
    color: #6b7280;
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.card {
    background: white;
    padding: 28px;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 8px 30px rgba(0,0,0,.04);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: #fee2e2;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 23px;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.card p {
    color: #6b7280;
}


/* PAGE */

.page-header {
    padding: 70px 0 45px;
    text-align: center;
}

.page-header h1 {
    font-size: 44px;
    margin-bottom: 12px;
}

.page-header p {
    color: #6b7280;
    max-width: 700px;
    margin: auto;
}

.content-box {
    max-width: 800px;
    margin: 0 auto 70px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 38px;
}

.content-box h2 {
    margin-top: 32px;
    margin-bottom: 10px;
}

.content-box h2:first-child {
    margin-top: 0;
}

.content-box p,
.content-box li {
    color: #4b5563;
}

.content-box ul,
.content-box ol {
    margin: 15px 0 15px 22px;
}

.notice {
    padding: 18px 20px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-radius: 10px;
    margin: 25px 0;
    color: #9a3412;
}

.download-card {
    text-align: center;
    padding: 45px 30px;
}

.download-icon {
    font-size: 55px;
    margin-bottom: 15px;
}


/* FOOTER */

footer {
    background: #111827;
    color: #9ca3af;
    padding: 40px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

footer a {
    color: #d1d5db;
}


/* MOBILE */

@media (max-width: 768px) {

    .cards {
        grid-template-columns: 1fr;
    }

    .nav-links {
        gap: 14px;
        font-size: 14px;
    }

    .hero {
        padding: 65px 0;
    }

    .content-box {
        padding: 25px;
    }

    .footer-inner {
        flex-direction: column;
    }
}