:root {
    --blue: #1267e8;
    --blue-dark: #0b2a53;
    --blue-soft: #edf5ff;
    --blue-card: #f1f7ff;
    --text: #10223d;
    --muted: #5d6b80;
    --line: #dbe8f7;
    --white: #ffffff;
    --shadow: 0 18px 45px rgba(16, 34, 61, 0.08);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--white);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    line-height: 1.55;
}

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

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

button,
input,
textarea {
    font: inherit;
}

.container {
    width: min(100% - 40px, 1180px);
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(219, 232, 247, 0.7);
    backdrop-filter: blur(14px);
}

.nav {
    min-height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: max-content;
}

.brand-mark {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 3px solid var(--blue);
    border-radius: 8px;
    color: var(--blue);
    font-size: 24px;
    font-weight: 800;
    line-height: 1;
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-size: 1.35rem;
    line-height: 1;
}

.brand small {
    color: var(--blue);
    font-size: 0.87rem;
    font-weight: 700;
    margin-top: 3px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    font-weight: 800;
    font-size: 0.95rem;
}

.nav-links a {
    position: relative;
    color: #11213a;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -18px;
    height: 3px;
    border-radius: 999px;
    background: transparent;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--blue);
}

.nav-links a.active::after {
    background: var(--blue);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    padding: 9px;
}

.nav-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: var(--blue-dark);
    border-radius: 999px;
}

.hero {
    margin-top: 28px;
    min-height: 414px;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 28px;
    padding: 54px 48px;
    background: var(--blue-soft);
    border-radius: 8px;
    overflow: hidden;
}

.hero-copy h1 {
    max-width: 520px;
    margin: 0 0 18px;
    font-size: clamp(2.4rem, 5vw, 4.1rem);
    line-height: 1.08;
    letter-spacing: 0;
}

.hero-copy p {
    max-width: 450px;
    margin: 0 0 24px;
    color: #253a59;
    font-size: 1.17rem;
}

.trust-list {
    display: grid;
    gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-weight: 800;
}

.trust-list li {
    display: flex;
    align-items: center;
    gap: 13px;
}

.trust-list li::before {
    content: "\2713";
    width: 23px;
    height: 23px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--blue);
    color: var(--white);
    font-size: 0.85rem;
}

.hero-art {
    align-self: stretch;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
}

.hero-art img {
    width: min(100%, 620px);
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 26px 60px rgba(18, 103, 232, 0.13);
}

.section {
    padding-top: 26px;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 16px;
}

.section-heading h2 {
    margin: 0;
    font-size: 1.55rem;
    line-height: 1.15;
}

.section-heading a,
.article-card a {
    color: var(--blue);
    font-weight: 800;
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
}

.calculator-card {
    padding: 28px;
    background: var(--blue-card);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.card-intro {
    display: grid;
    grid-template-columns: 82px 1fr;
    gap: 22px;
    margin-bottom: 22px;
}

.feature-icon {
    width: 72px;
    height: 72px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: #e4f0ff;
    color: var(--blue);
    font-size: 2rem;
    font-weight: 800;
}

.card-intro h3,
.article-card h3 {
    margin: 0 0 6px;
    font-size: 1.25rem;
    line-height: 1.25;
}

.card-intro p,
.article-card p,
.footer-grid p,
.page-card p,
.page-card li {
    color: var(--muted);
}

.card-intro p,
.article-card p {
    margin: 0;
}

.calculator-form {
    display: grid;
    gap: 12px;
}

.calculator-form label {
    position: relative;
    display: block;
}

.calculator-form label span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.calculator-form input,
.subscribe-form input,
.contact-form input,
.contact-form textarea {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    color: var(--text);
    outline: none;
    padding: 0 42px 0 16px;
    box-shadow: 0 8px 18px rgba(16, 34, 61, 0.03);
}

.contact-form textarea {
    min-height: 150px;
    padding-top: 14px;
    resize: vertical;
}

.calculator-form input:focus,
.subscribe-form input:focus,
.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(18, 103, 232, 0.12);
}

.calculator-form b {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #718097;
    font-weight: 700;
}

.calculator-form button,
.subscribe-form button,
.contact-form button,
.primary-link {
    justify-self: center;
    min-width: 174px;
    min-height: 46px;
    border: 0;
    border-radius: 8px;
    background: var(--blue);
    color: var(--white);
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(18, 103, 232, 0.22);
}

.calculator-form button:hover,
.subscribe-form button:hover,
.contact-form button:hover,
.primary-link:hover {
    background: #0e55c2;
}

.result {
    min-height: 28px;
    color: var(--blue-dark);
    font-weight: 800;
    text-align: center;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.tools-grid a {
    min-height: 118px;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 8px;
    padding: 18px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    font-weight: 800;
    text-align: center;
    line-height: 1.25;
}

.tools-grid a:hover,
.tools-grid a.active-tool,
.article-card:hover,
.calculator-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}

.tools-grid a.active-tool {
    border-color: rgba(18, 103, 232, 0.48);
    background: var(--blue-soft);
    color: var(--blue-dark);
}

.tools-grid span {
    color: var(--blue);
    font-size: 2rem;
    line-height: 1;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.article-card {
    display: grid;
    grid-template-columns: 146px 1fr;
    gap: 16px;
    min-height: 172px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.article-image {
    min-height: 150px;
    border-radius: 8px;
    background-size: cover;
    background-position: center;
}

.article-image.house {
    background:
        radial-gradient(circle at 50% 34%, #ffffff 0 7%, transparent 8%),
        linear-gradient(135deg, rgba(18, 103, 232, 0.12), rgba(255, 255, 255, 0.2)),
        url("assets/finance-hero.png");
}

.article-image.car {
    background:
        linear-gradient(135deg, rgba(18, 103, 232, 0.18), rgba(255, 255, 255, 0.1)),
        url("assets/finance-hero.png");
    background-position: 76% 42%;
}

.article-image.growth {
    background:
        linear-gradient(135deg, rgba(37, 167, 114, 0.18), rgba(255, 255, 255, 0.12)),
        url("assets/finance-hero.png");
    background-position: 58% 68%;
}

.ad-banner {
    margin-top: 28px;
    margin-bottom: 22px;
    min-height: 92px;
    display: grid;
    place-items: center;
    align-content: center;
    border-radius: 8px;
    background: #fff6dc;
    color: #463b20;
    text-align: center;
}

.ad-banner small,
.ad-banner span {
    color: #776a4a;
}

.ad-banner strong {
    font-size: 1.45rem;
    line-height: 1.2;
}

.site-footer {
    background: var(--blue-soft);
    border-top: 1px solid var(--line);
    padding: 34px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1.4fr;
    gap: 44px;
}

.footer-grid h2 {
    margin: 0 0 12px;
    font-size: 0.98rem;
}

.footer-grid a:not(.brand) {
    display: block;
    color: #253a59;
    margin: 6px 0;
}

.footer-grid a:not(.brand):hover {
    color: var(--blue);
}

.social-links {
    display: flex;
    gap: 14px;
    margin-top: 14px;
}

.social-links a {
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--blue);
    color: var(--white) !important;
    font-weight: 800;
}

.subscribe-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.subscribe-form input {
    min-width: 0;
    padding-right: 16px;
}

.subscribe-form button {
    min-width: 110px;
    box-shadow: none;
}

.copyright {
    width: min(100% - 40px, 1180px);
    margin: 24px auto 0;
    color: var(--muted);
    font-size: 0.92rem;
    text-align: center;
}

.page-hero {
    padding: 58px 0 22px;
    background: var(--blue-soft);
    border-bottom: 1px solid var(--line);
}

.page-hero h1 {
    margin: 0 0 10px;
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    line-height: 1.1;
}

.page-hero p {
    max-width: 760px;
    margin: 0;
    color: var(--muted);
    font-size: 1.08rem;
}

.page-content {
    padding: 34px 0 54px;
}

.page-card {
    max-width: 900px;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
}

.page-card h2 {
    margin: 26px 0 8px;
}

.page-card h2:first-child {
    margin-top: 0;
}

.contact-layout {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 28px;
}

.calculator-page-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
    align-items: start;
    gap: 28px;
}

.single-calculator .calculator-card {
    box-shadow: var(--shadow);
}

.calculator-note {
    max-width: none;
}

.calculator-note .primary-link {
    margin-top: 12px;
}

.calculator-more {
    display: block;
    margin-top: 14px;
    color: var(--blue);
    font-weight: 800;
    text-align: center;
}

.contact-form {
    display: grid;
    gap: 14px;
}

.primary-link {
    display: inline-grid;
    place-items: center;
    padding: 0 20px;
}

@media (max-width: 980px) {
    .hero,
    .calculator-grid,
    .contact-layout,
    .calculator-page-layout {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 42px 34px;
    }

    .tools-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

@media (max-width: 760px) {
    .container {
        width: min(100% - 28px, 1180px);
    }

    .nav {
        min-height: 74px;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        left: 14px;
        right: 14px;
        top: 74px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 10px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: var(--white);
        box-shadow: var(--shadow);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 12px;
        border-radius: 8px;
    }

    .nav-links a::after {
        display: none;
    }

    .nav-links a:hover,
    .nav-links a.active {
        background: var(--blue-soft);
    }

    .hero {
        margin-top: 18px;
        padding: 34px 22px;
    }

    .hero-copy h1 {
        font-size: 2.45rem;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .card-intro,
    .article-card {
        grid-template-columns: 1fr;
    }

    .feature-icon {
        width: 62px;
        height: 62px;
    }

    .tools-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .article-grid,
    .footer-grid,
    .subscribe-form {
        grid-template-columns: 1fr;
    }

    .subscribe-form button,
    .calculator-form button,
    .contact-form button {
        width: 100%;
    }
}

@media (max-width: 420px) {
    .brand strong {
        font-size: 1.05rem;
    }

    .brand small {
        font-size: 0.74rem;
    }

    .brand-mark {
        width: 36px;
        height: 36px;
    }

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