:root {
    --primary: #4f8fe8;
    --primary-dark: #2d6fcb;
    --bg: #f6f8fc;
    --surface: #ffffff;
    --surface-2: #eef3fb;
    --border: #d8e1ef;
    --text: #14213d;
    --text-muted: #5f6f87;
    --shadow: 0 18px 45px rgba(14, 31, 53, 0.08);
    --radius: 16px;
    --radius-sm: 12px;
    --max-width: 1160px;
    --font: Inter, Arial, sans-serif;
    --heading: Outfit, Inter, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
}

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

a {
    color: inherit;
}

h1,
h2,
h3,
h4 {
    font-family: var(--heading);
    line-height: 1.15;
    margin: 0;
}

p {
    margin: 0;
}

.container {
    width: min(100% - 48px, var(--max-width));
    margin: 0 auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(246, 248, 252, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.topbar-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 800;
    color: var(--text);
}

.brand img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.mini-nav {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.mini-nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
}

.mini-nav a:hover {
    color: var(--text);
}

.hero {
    padding: 48px 0 26px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
    gap: 34px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(79, 143, 232, 0.12);
    color: var(--primary-dark);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: clamp(2.3rem, 5vw, 4.25rem);
    margin-bottom: 18px;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 62ch;
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
}

.hero-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.hero-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.hero-card .caption {
    padding: 18px 20px 20px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.section {
    padding: 34px 0;
}

.section-band {
    padding: 40px 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-title {
    display: grid;
    gap: 10px;
    margin-bottom: 22px;
}

.section-title h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.section-title p {
    color: var(--text-muted);
    max-width: 72ch;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.card h3 {
    font-size: 1.08rem;
    margin-bottom: 10px;
}

.card p {
    color: var(--text-muted);
}

.bullet-list {
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
    display: grid;
    gap: 12px;
}

.bullet-list li {
    padding-left: 18px;
    position: relative;
    color: var(--text-muted);
}

.bullet-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--primary);
    position: absolute;
    left: 0;
    top: 0.62em;
}

.split-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

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

.faq details {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
}

.faq summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
}

.faq p {
    color: var(--text-muted);
    margin-top: 10px;
}

.related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 14px;
    border-radius: 999px;
    background: var(--surface-2);
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    border: 1px solid var(--border);
}

.chip:hover {
    border-color: var(--primary);
}

.footer {
    padding: 34px 0 50px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.footer h4 {
    margin-bottom: 14px;
    font-size: 1rem;
}

.footer p,
.footer a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
}

.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

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

.footer-bottom {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 980px) {
    .hero-grid,
    .grid-3,
    .split-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 32px, var(--max-width));
    }

    .topbar-inner {
        padding: 10px 0;
        align-items: flex-start;
        flex-direction: column;
    }

    .hero {
        padding-top: 28px;
    }
}
