* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #F5F5F5;
    color: #1C1C1C;
    line-height: 1.65;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

header,
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: linear-gradient(135deg, #ffffff 0%, #31a0d2 100%);
    box-shadow: 0 10px 30px rgba(17, 17, 17, 0.08);
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.header-inner {
    min-height: 74px;
    display: grid;
    grid-template-columns: 44px 1fr;
    align-items: center;
    gap: 12px;
    padding: 12px 0 6px;
}

.logo {
    justify-self: center;
    display: inline-flex;
    align-items: center;
}

.logo img {
    width: 132px;
    max-height: 48px;
    object-fit: contain;
}

.main-nav,
.header-actions {
    display: none;
}

.main-nav a,
.mobile-nav a,
.footer a {
    font-weight: 700;
}

.mobile-menu-toggle {
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 14px;
    background: #111111;
    color: #ffffff;
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
}

.mobile-nav {
    display: none;
    gap: 10px;
    padding: 10px 0 16px;
}

.mobile-nav.is-open {
    display: grid;
}

.mobile-nav a {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 16px;
    padding: 12px 14px;
    box-shadow: 0 8px 20px rgba(17, 17, 17, 0.08);
}

.mobile-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 0 0 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 999px;
    padding: 13px 22px;
    background: linear-gradient(135deg, #31a0d2, #1976a8);
    color: #ffffff;
    font-weight: 800;
    box-shadow: 0 10px 24px rgba(49, 160, 210, 0.32);
    transition: transform .2s ease, box-shadow .2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(49, 160, 210, 0.42);
}

.btn-small {
    padding: 10px 18px;
    font-size: 14px;
}

.btn-login {
    background: linear-gradient(135deg, #2B2B2B, #111111);
}

.hero,
.banner {
    background: radial-gradient(circle at top left, rgba(49, 160, 210, .25), transparent 36%), linear-gradient(135deg, #111111, #1C1C1C);
    color: #ffffff;
    padding: 48px 0;
}

.hero-grid {
    display: grid;
    gap: 28px;
    align-items: center;
}

.hero h1 {
    font-size: clamp(32px, 7vw, 56px);
    line-height: 1.1;
    margin: 0 0 16px;
}

.hero p {
    color: #f0f6fa;
    margin: 0 0 20px;
}

.hero-image {
    border-radius: 26px;
    padding: 18px;
    background: rgba(255, 255, 255, .08);
    box-shadow: 0 22px 45px rgba(0, 0, 0, .24);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.tag {
    display: inline-flex;
    border-radius: 999px;
    padding: 8px 12px;
    color: #111111;
    background: #31a0d2;
    font-weight: 800;
    font-size: 14px;
}

section {
    padding: 42px 0;
}

.section-title {
    margin: 0 0 14px;
    font-size: clamp(26px, 5vw, 40px);
    color: #111111;
}

.section-lead {
    color: #555;
    max-width: 820px;
    margin: 0 0 22px;
}

.grid {
    display: grid;
    gap: 18px;
}

.card {
    background: #ffffff;
    border-radius: 20px;
    padding: 22px;
    box-shadow: 0 12px 30px rgba(17, 17, 17, 0.08);
    border: 1px solid rgba(17, 17, 17, 0.06);
}

.card h2,
.card h3 {
    margin-top: 0;
    color: #111111;
}

.notice {
    background: linear-gradient(135deg, rgba(49, 160, 210, .16), #ffffff);
    border-left: 6px solid #31a0d2;
    border-radius: 18px;
    padding: 18px;
    box-shadow: 0 8px 24px rgba(17, 17, 17, 0.06);
}

.faq {
    display: grid;
    gap: 14px;
}

.faq-item {
    background: #ffffff;
    border-radius: 18px;
    padding: 18px;
    box-shadow: 0 10px 24px rgba(17, 17, 17, 0.07);
}

.faq-item h3 {
    margin: 0 0 8px;
}

.inline-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.inline-links a {
    color: #111111;
    background: rgba(49, 160, 210, .2);
    padding: 10px 12px;
    border-radius: 14px;
    font-weight: 800;
}

.footer {
    background: #111111;
    color: #ffffff;
    padding: 36px 0 18px;
}

.footer-grid {
    display: grid;
    gap: 22px;
}

.footer a {
    display: block;
    margin: 8px 0;
    color: #ffffff;
}

.footer p {
    color: #d7d7d7;
}

.footer-logo img {
    width: 130px;
    max-height: 48px;
    object-fit: contain;
    background: #ffffff;
    border-radius: 12px;
    padding: 4px;
}

.footer-bottom {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,.14);
    color: #d7d7d7;
    font-size: 14px;
}

ol.steps {
    display: grid;
    gap: 14px;
    padding-left: 22px;
}

ol.steps li {
    background: #ffffff;
    border-radius: 18px;
    padding: 16px 16px 16px 20px;
    box-shadow: 0 8px 24px rgba(17,17,17,.07);
}

@media (min-width: 768px) {
    .header-inner {
        min-height: 82px;
        grid-template-columns: auto 1fr auto;
        gap: 26px;
        padding: 12px 0;
    }

    .logo {
        justify-self: start;
    }

    .logo img {
        width: 150px;
    }

    .main-nav {
        display: flex;
        justify-content: center;
        gap: 18px;
    }

    .main-nav a {
        padding: 10px 12px;
        border-radius: 999px;
    }

    .main-nav a:hover {
        background: rgba(255,255,255,.45);
    }

    .header-actions {
        display: flex;
        gap: 10px;
    }

    .mobile-menu-toggle,
    .mobile-actions,
    .mobile-nav {
        display: none;
    }

    .mobile-nav.is-open {
        display: none;
    }

    .hero-grid {
        grid-template-columns: 1.15fr .85fr;
    }

    .grid.two {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid.three {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1.4fr .8fr 1.2fr;
    }
}

@media (min-width: 1024px) {
    .container {
        width: min(1180px, calc(100% - 56px));
    }

    .main-nav {
        gap: 28px;
    }

    section {
        padding: 56px 0;
    }

    .hero,
    .banner {
        padding: 72px 0;
    }
}