:root {
    --blue: #0b63ce;
    --blue-2: #0877ee;
    --navy: #071b3a;
    --navy-2: #0d2a55;
    --cyan: #15c9f4;
    --sky: #e9f7ff;
    --line: #dce8f5;
    --text: #163150;
    --muted: #65748a;
    --white: #ffffff;
    --soft: #f5f9fe;
    --gold: #f5b23c;
    --green: #10b981;
    --red: #ef4444;
    --violet: #7c3aed;
    --radius: 8px;
    --shadow: 0 18px 45px rgba(7, 27, 58, .12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.65;
}

a {
    color: var(--blue);
    text-decoration: none;
}

a:hover {
    color: var(--navy);
}

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

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.topline {
    background: var(--navy);
    color: rgba(255, 255, 255, .86);
    font-size: 13px;
}

.topline-inner {
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}

.nav-wrap {
    min-height: 86px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 22px;
}

.brand {
    width: 210px;
    height: 90px;
    display: flex;
    align-items: center;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.main-nav a {
    color: var(--navy);
    font-size: 15px;
    font-weight: 700;
    padding: 10px 12px;
    border-radius: var(--radius);
    transition: background .2s ease, color .2s ease;
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.is-active {
    background: var(--sky);
    color: var(--blue);
}

.auth-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn {
    border: 0;
    min-height: 42px;
    padding: 0 16px;
    border-radius: var(--radius);
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    font-family: inherit;
}

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

.btn-login {
    background: var(--white);
    color: var(--blue);
    border: 1px solid rgba(11, 99, 206, .35);
    box-shadow: inset 0 0 0 1px rgba(21, 201, 244, .08);
}

.btn-login:hover {
    border-color: var(--cyan);
    box-shadow: 0 10px 24px rgba(11, 99, 206, .13);
}

.btn-register {
    color: var(--white);
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    box-shadow: 0 12px 30px rgba(21, 201, 244, .34);
    animation: pulseGlow 1.8s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(21, 201, 244, .38), 0 12px 30px rgba(11, 99, 206, .28);
    }
    50% {
        box-shadow: 0 0 0 9px rgba(21, 201, 244, 0), 0 18px 40px rgba(11, 99, 206, .38);
    }
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    background: var(--white);
    color: var(--navy);
    border-radius: var(--radius);
    font-size: 20px;
}

.hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(115deg, rgba(7, 27, 58, .96), rgba(11, 99, 206, .9)),
        radial-gradient(circle at 80% 18%, rgba(21, 201, 244, .45), transparent 34%);
    color: var(--white);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px);
    background-size: 42px 42px;
    opacity: .35;
}

.hero-inner {
    position: relative;
    min-height: 520px;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
    align-items: center;
    gap: 40px;
    padding: 68px 0;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #d9f7ff;
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0;
}

h1, h2, h3 {
    color: var(--navy);
    line-height: 1.18;
    margin: 0 0 16px;
    letter-spacing: 0;
}

.hero h1 {
    color: var(--white);
    font-size: clamp(34px, 5vw, 64px);
    margin-top: 14px;
    max-width: 760px;
}

.hero p {
    color: rgba(255, 255, 255, .88);
    font-size: 18px;
    max-width: 690px;
    margin: 0 0 26px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn-primary,
.btn-secondary {
    min-height: 50px;
    padding: 0 20px;
}

.btn-primary {
    color: var(--white);
    background: linear-gradient(135deg, var(--blue-2), var(--cyan));
}

.btn-secondary {
    color: var(--white);
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .34);
}

.hero-panel {
    background: rgba(255, 255, 255, .11);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, .16);
}

.score-strip {
    display: grid;
    gap: 12px;
}

.score-item {
    display: grid;
    grid-template-columns: 50px 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 14px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, .14);
}

.score-item i {
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--white);
    font-size: 22px;
}

.score-item strong {
    display: block;
    color: var(--white);
}

.score-item span {
    color: rgba(255, 255, 255, .78);
    font-size: 14px;
}

.score-item b {
    color: #d9f7ff;
    font-size: 13px;
}

.section {
    padding: 76px 0;
}

.section-soft {
    background: var(--soft);
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 24px;
    margin-bottom: 28px;
}

.section-head h2 {
    font-size: clamp(26px, 3vw, 40px);
}

.section-head p {
    max-width: 610px;
    margin: 0;
    color: var(--muted);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.feature-card,
.category-card,
.news-card,
.article-box,
.info-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 10px 28px rgba(7, 27, 58, .06);
}

.feature-card {
    padding: 22px;
}

.feature-card i,
.category-icon,
.info-card i {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--sky);
    font-size: 24px;
    margin-bottom: 16px;
}

.feature-card h3,
.category-card h3,
.info-card h3 {
    font-size: 19px;
    margin-bottom: 8px;
}

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

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

.category-card,
.news-card {
    position: relative;
    min-height: 220px;
    padding: 24px;
    overflow: hidden;
    color: var(--text);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.category-card:hover,
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(11, 99, 206, .28);
}

.category-card .link-arrow,
.news-card .link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    font-weight: 800;
}

.category-card::after,
.news-card::after {
    content: "";
    position: absolute;
    width: 150px;
    height: 150px;
    right: -56px;
    bottom: -58px;
    border-radius: 50%;
    background: rgba(21, 201, 244, .14);
}

.news-card {
    display: block;
    min-height: 260px;
}

.news-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

.news-tag {
    color: var(--blue);
    background: var(--sky);
    border-radius: 999px;
    padding: 3px 10px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 22px;
}

.article-box {
    padding: clamp(24px, 4vw, 44px);
}

.article-box h1 {
    font-size: clamp(30px, 4vw, 48px);
}

.article-box h2 {
    font-size: clamp(24px, 3vw, 34px);
    margin-top: 34px;
}

.article-box h3 {
    font-size: 22px;
    margin-top: 24px;
}

.article-box p {
    margin: 0 0 16px;
    color: #27415f;
}

.article-box ul {
    margin: 0 0 18px;
    padding-left: 20px;
}

.article-box li {
    margin-bottom: 8px;
}

.content-layout {
    display: grid;
    grid-template-columns: 1fr 330px;
    gap: 24px;
    align-items: start;
}

.side-stack {
    display: grid;
    gap: 18px;
    position: sticky;
    top: 126px;
}

.info-card {
    padding: 22px;
}

.mini-list {
    display: grid;
    gap: 10px;
}

.mini-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--navy);
    font-weight: 800;
    background: var(--white);
}

.mini-list a:hover {
    color: var(--blue);
    border-color: rgba(11, 99, 206, .28);
}

.cta-band {
    background: linear-gradient(135deg, var(--navy), var(--blue));
    color: var(--white);
    padding: 34px;
    border-radius: var(--radius);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 20px;
}

.cta-band h2 {
    color: var(--white);
    margin-bottom: 8px;
}

.cta-band p {
    color: rgba(255, 255, 255, .85);
    margin: 0;
}

.site-footer {
    background: var(--navy);
    color: rgba(255, 255, 255, .78);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr .8fr .8fr 1fr;
    gap: 28px;
    padding: 54px 0 36px;
}

.footer-grid h2 {
    color: var(--white);
    font-size: 18px;
}

.footer-grid a {
    display: block;
    color: rgba(255, 255, 255, .78);
    margin-bottom: 8px;
}

.footer-grid a:hover {
    color: var(--cyan);
}

.footer-brand img {
    margin-bottom: 10px;
}

.footer-brand p,
.footer-note p {
    margin: 0;
}

.matrix-links {
    padding: 8px 0 24px;
    font-size: 13px;
}

.matrix-links a {
    color: rgba(255, 255, 255, .62);
    margin-right: 8px;
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding: 16px 0;
    font-size: 14px;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    z-index: 100;
    transform: translate(-50%, 20px);
    min-width: min(420px, calc(100% - 32px));
    padding: 13px 16px;
    border-radius: var(--radius);
    background: var(--navy);
    color: var(--white);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    text-align: center;
}

.toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

.icon-blue { color: var(--blue); }
.icon-cyan { color: var(--cyan); }
.icon-gold { color: var(--gold); }
.icon-green { color: var(--green); }
.icon-red { color: var(--red); }
.icon-violet { color: var(--violet); }
.icon-navy { color: var(--navy); }
.icon-orange { color: #f97316; }
.icon-pink { color: #db2777; }
.icon-teal { color: #0d9488; }

@media (max-width: 1180px) {
    .nav-wrap {
        grid-template-columns: auto auto;
        justify-content: space-between;
    }

    .nav-toggle {
        display: inline-grid;
        place-items: center;
    }

    .main-nav,
    .auth-actions {
        grid-column: 1 / -1;
        display: none;
    }

    .site-header.is-open .main-nav,
    .site-header.is-open .auth-actions {
        display: flex;
    }

    .main-nav {
        flex-direction: column;
        align-items: stretch;
        border-top: 1px solid var(--line);
        padding-top: 12px;
    }

    .auth-actions {
        justify-content: stretch;
        padding-bottom: 16px;
    }

    .auth-actions .btn {
        flex: 1;
    }

    .hero-inner,
    .content-layout {
        grid-template-columns: 1fr;
    }

    .side-stack {
        position: static;
    }

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

@media (max-width: 720px) {
    .container {
        width: min(100% - 24px, 1180px);
    }

    .topline-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 9px 0;
        gap: 4px;
    }

    .brand {
        width: 170px;
        height: 72px;
    }

    .nav-wrap {
        min-height: 76px;
    }

    .hero-inner {
        min-height: auto;
        padding: 46px 0;
    }

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

    .hero-actions,
    .auth-actions,
    .section-head,
    .cta-band {
        flex-direction: column;
        align-items: stretch;
        display: flex;
    }

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

    .section {
        padding: 52px 0;
    }

    .score-item {
        grid-template-columns: 44px 1fr;
    }

    .score-item b {
        grid-column: 2;
    }
}