:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #16202b;
    --muted: #5b6875;
    --line: #d7e0ea;
    --accent: #1f7a8c;
    --accent-dark: #165766;
    --accent-soft: #e7f6fa;
    --warning: #fff4df;
    --shadow: 0 18px 44px rgba(18, 32, 43, .10);
    --radius-xl: 24px;
    --radius-lg: 18px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(31, 122, 140, .08), transparent 26%),
        radial-gradient(circle at top right, rgba(255, 196, 87, .14), transparent 24%),
        linear-gradient(180deg, var(--bg) 0%, #eef3f8 100%);
    line-height: 1.6;
}

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

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

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

.topbar {
    background: #0f1822;
    color: rgba(255, 255, 255, .9);
    font-size: 14px;
}

.topbar__inner {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
    padding: 8px 0;
    flex-wrap: wrap;
}

.dot {
    opacity: .65;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    backdrop-filter: blur(10px);
    background: rgba(244, 247, 251, .90);
    border-bottom: 1px solid rgba(215, 224, 234, .95);
}

.site-header__inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    position: relative;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: .3px;
    color: var(--accent-dark);
    position: relative;
    z-index: 32;
}

.brand::before {
    content: "";
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), #5ab7cb);
    box-shadow: 0 0 0 7px rgba(31, 122, 140, .10);
    flex: 0 0 auto;
}

.nav-toggle {
    display: none;
    width: 48px;
    height: 48px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 14px;
    padding: 0;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    position: relative;
    z-index: 32;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--accent-dark);
    border-radius: 2px;
    transition: .2s ease;
}

.nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 22px;
    flex-wrap: wrap;
}

.main-nav a {
    font-size: 15px;
    font-weight: 700;
    color: var(--muted);
}

.main-nav a:hover {
    color: var(--accent-dark);
}

.hero {
    padding: 44px 0 30px;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 24px;
    align-items: stretch;
}

.hero__content,
.hero__side {
    background: var(--card);
    border: 1px solid rgba(215, 224, 234, .8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.hero__content {
    padding: 34px;
}

.hero__side {
    padding: 24px;
    display: grid;
    gap: 16px;
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 16px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .4px;
    text-transform: uppercase;
}

.hero h1 {
    margin: 18px 0 16px;
    font-size: clamp(32px, 5vw, 54px);
    line-height: 1.08;
    letter-spacing: -.03em;
}

.hero p {
    margin: 0;
    max-width: 760px;
    font-size: 18px;
    color: var(--muted);
}

.hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 22px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 800;
    transition: .2s ease;
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent), #3ca7bd);
    color: #fff;
    box-shadow: 0 12px 24px rgba(31, 122, 140, .22);
}

.btn--primary:hover {
    transform: translateY(-1px);
}

.btn--secondary {
    background: #fff;
    border: 1px solid var(--line);
    color: var(--text);
}

.panel {
    background: linear-gradient(180deg, #fff 0%, #f9fbfd 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 18px;
}

.panel h3 {
    margin: 0 0 8px;
    font-size: 17px;
}

.panel p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.section {
    padding: 22px 0;
}

.section-head {
    margin-bottom: 26px;
}

.section-head h2 {
    margin: 0 0 10px;
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.12;
    letter-spacing: -.02em;
}

.section-head p {
    margin: 0;
    max-width: 860px;
    color: var(--muted);
    font-size: 17px;
}

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

.offer-card {
    background: var(--card);
    border: 1px solid rgba(215, 224, 234, .8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    padding: 24px;
    display: grid;
    grid-template-columns: 82px 180px 1fr;
    gap: 20px;
    align-items: center;
}

.offer-rank {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--accent), #57bfd3);
    color: #fff;
    font-size: 28px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 24px rgba(31, 122, 140, .20);
}

.offer-logo {
    min-height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
    background: linear-gradient(180deg, #fff 0%, #fbfdff 100%);
}

.offer-logo img {
    max-height: 56px;
    width: auto;
    margin: 0 auto;
}

.offer-body {
    min-width: 0;
}

.offer-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 12px;
}

.offer-top h3 {
    margin: 0;
    font-size: 26px;
}

.offer-score {
    text-align: right;
    flex: 0 0 auto;
}

.offer-score strong {
    display: block;
    font-size: 36px;
    line-height: 1;
    color: var(--accent-dark);
}

.offer-score span {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--muted);
}

.offer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.offer-tags span {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    border: 1px solid var(--line);
    background: #f9fbfd;
    color: var(--text);
}

.offer-body p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

.offer-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 18px;
    flex-wrap: wrap;
}

.offer-note {
    font-size: 12px;
    color: var(--muted);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.info-card {
    background: var(--card);
    border: 1px solid rgba(215, 224, 234, .8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 24px;
}

.info-card h3 {
    margin: 0 0 10px;
    font-size: 21px;
}

.info-card p {
    margin: 0;
    color: var(--muted);
}

.accordion {
    display: grid;
    gap: 14px;
    margin-bottom: 18px;
}

.accordion details {
    background: #fff;
    border: 1px solid rgba(215, 224, 234, .85);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.accordion summary {
    list-style: none;
    cursor: pointer;
    font-weight: 800;
    padding: 20px 22px;
    position: relative;
    font-size: 18px;
}

.accordion summary::-webkit-details-marker {
    display: none;
}

.accordion summary::after {
    content: "+";
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: var(--accent-dark);
}

.accordion details[open] summary::after {
    content: "−";
}

.accordion-content {
    padding: 0 22px 22px;
    color: var(--muted);
}

.accordion-content p:first-child {
    margin-top: 0;
}

.accordion-content p:last-child {
    margin-bottom: 0;
}

.notice {
    background: var(--warning);
    border: 1px solid #f0ddb0;
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    color: #5e4d25;
}

.site-footer {
    margin-top: 34px;
    padding: 30px 0 36px;
    background: #0f1822;
    color: rgba(255, 255, 255, .88);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 24px;
    align-items: start;
}

.footer-brand {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 14px;
}

.footer-text {
    color: rgba(255, 255, 255, .72);
    max-width: 760px;
}

.footer-badges {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.footer-badges a {
    min-height: 62px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.footer-badges img {
    max-height: 42px;
    width: auto;
}

.footer-links {
    display: grid;
    gap: 12px;
    justify-content: end;
}

.footer-links a {
    color: rgba(255, 255, 255, .88);
    font-weight: 700;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, .10);
    color: rgba(255, 255, 255, .58);
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

@media (max-width: 1080px) {

    .hero__grid,
    .footer-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }

    .offer-card {
        grid-template-columns: 82px 160px 1fr;
    }
}

@media (max-width: 860px) {
    .site-header__inner {
        min-height: 72px;
        padding: 12px 0;
        gap: 14px;
    }

    .nav-toggle {
        display: inline-flex;
        margin-left: auto;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        right: 0;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 18px;
        box-shadow: var(--shadow);
        padding: 14px;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        z-index: 31;
    }

    .main-nav.is-open {
        display: flex;
    }

    .main-nav a {
        padding: 12px 14px;
        border-radius: 12px;
        background: #f8fbfd;
        color: var(--text);
    }

    .main-nav a:hover {
        background: var(--accent-soft);
    }

    .hero__content,
    .hero__side,
    .offer-card,
    .info-card {
        padding: 20px;
    }

    .offer-card {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .offer-logo {
        min-height: 90px;
    }

    .offer-top {
        flex-direction: column;
        align-items: flex-start;
    }

    .offer-score {
        text-align: left;
    }

    .footer-links {
        justify-content: start;
    }
}

@media (max-width: 760px) {
    .brand {
        font-size: 23px;
    }

    .offer-rank {
        width: 58px;
        height: 58px;
        font-size: 25px;
    }

    .hero p,
    .section-head p {
        font-size: 16px;
    }

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