:root {
    --primary: #f48343;
    --primary-hover: #e56c29;
    --blue: #095dff;
    --surface: #ffffff;
    --surface-soft: #eef4ff;
    --text: #2a313d;
    --muted: #647897;
    --border: rgba(100, 120, 151, 0.16);
    --bg: #f4f7fd;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Source Sans Pro', sans-serif;
    background: linear-gradient(180deg, #f8fbff 0%, #f4f7fd 100%);
    color: var(--text);
}

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

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

.topbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 20;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 78px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 24px;
    letter-spacing: -0.03em;
}

.brand-badge {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--blue), #59a6ff);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 14px 26px rgba(9, 93, 255, 0.2);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.nav a,
.lang-toggle,
.header-cta {
    padding: 10px 14px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 14px;
}

.nav a,
.lang-toggle {
    color: var(--muted);
}

.nav a:hover,
.lang-toggle:hover {
    background: rgba(9, 93, 255, 0.08);
    color: var(--blue);
}

.header-cta {
    background: linear-gradient(135deg, var(--primary), #ff9b62);
    color: #fff;
    font-family: 'Montserrat', sans-serif;
}

.lang-shell {
    position: relative;
}

.lang-toggle {
    border: none;
    background: transparent;
    cursor: pointer;
}

.lang-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 168px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 18px 40px rgba(20, 39, 84, 0.09);
    padding: 8px;
    display: none;
}

.lang-shell.open .lang-menu {
    display: block;
}

.lang-menu button {
    width: 100%;
    border: none;
    background: transparent;
    border-radius: 12px;
    padding: 10px 12px;
    text-align: left;
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
}

.lang-menu button:hover {
    background: rgba(9, 93, 255, 0.08);
}

.hero {
    padding: 56px 0 24px;
}

.eyebrow {
    display: inline-flex;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(9, 93, 255, 0.08);
    color: var(--blue);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

h1 {
    margin: 18px 0 14px;
    font-family: 'Montserrat', sans-serif;
    font-size: 48px;
    line-height: 1.06;
    letter-spacing: -0.04em;
}

.lead {
    max-width: 780px;
    color: var(--muted);
    font-size: 20px;
    line-height: 1.55;
}

.page-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
    margin: 28px 0 72px;
}

.page-grid.single {
    grid-template-columns: 1fr;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: 0 18px 40px rgba(20, 39, 84, 0.06);
    border-radius: 28px;
    padding: 32px;
}

.panel h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 28px;
    margin: 0 0 14px;
    letter-spacing: -0.03em;
}

.stack {
    display: grid;
    gap: 24px;
}

.panel p,
.panel li {
    color: var(--muted);
    font-size: 17px;
    line-height: 1.72;
}

.panel ul,
.panel ol {
    padding-left: 22px;
    margin: 0;
}

.section-stack {
    display: grid;
    gap: 30px;
}

.section-block h3 {
    margin: 0 0 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 22px;
    letter-spacing: -0.02em;
}

.highlight-card,
.contact-item {
    border-radius: 18px;
    background: var(--surface-soft);
    padding: 18px 18px;
    border: 1px solid rgba(100, 120, 151, 0.1);
}

.highlight-card strong,
.contact-item strong {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 17px;
    margin-bottom: 6px;
    color: var(--text);
}

.highlight-card span,
.contact-item span {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.55;
}

.contact-list,
.info-list {
    display: grid;
    gap: 14px;
}

.cta-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 18px;
    padding: 14px 20px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), #ff9b62);
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

.cta-link:empty {
    display: none;
}

.footer {
    background: #14204a;
    color: #fff;
    margin-top: 48px;
    padding: 46px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.9fr 0.9fr;
    gap: 26px;
}

.footer h4 {
    margin: 0 0 14px;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.footer p,
.footer li,
.footer a {
    color: #aeb9d8;
    font-size: 14px;
    line-height: 1.75;
}

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

.footer-company {
    margin-top: 16px;
}

.footer-divider {
    margin-top: 24px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: #8fa1d1;
    font-size: 12px;
    line-height: 1.7;
}

@media (max-width: 900px) {
    .page-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .topbar-inner {
        align-items: center;
        flex-direction: column;
        padding: 12px 0;
        gap: 10px;
    }

    .container {
        padding: 0 16px;
    }

    .brand {
        font-size: 19px;
    }

    .brand-badge {
        width: 32px;
        height: 32px;
        border-radius: 10px;
        font-size: 12px;
    }

    .header-actions,
    .nav {
        width: 100%;
    }

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

    .nav {
        gap: 8px;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 4px;
        scrollbar-width: none;
    }

    .nav::-webkit-scrollbar {
        display: none;
    }

    .nav a,
    .lang-toggle,
    .header-cta {
        white-space: nowrap;
    }

    .header-cta {
        justify-content: center;
        text-align: center;
    }

    .hero {
        padding: 20px 0 10px;
    }

    h1 {
        margin: 12px 0 8px;
        font-size: 30px;
        line-height: 1.1;
    }

    .lead {
        font-size: 15px;
        line-height: 1.56;
    }

    .page-grid {
        gap: 16px;
        margin: 18px 0 42px;
    }

    .panel {
        border-radius: 22px;
        padding: 20px 16px;
    }

    .panel h2 {
        font-size: 22px;
        margin-bottom: 12px;
    }

    .section-stack {
        gap: 22px;
    }

    .section-block h3 {
        font-size: 19px;
    }

    .panel p,
    .panel li {
        font-size: 15px;
        line-height: 1.64;
    }

    .footer {
        margin-top: 34px;
        padding: 34px 0 24px;
    }

    .footer-divider {
        margin-top: 18px;
        padding-top: 18px;
    }
}


/* Light technology SaaS theme alignment */
:root {
    --primary: #635bff;
    --primary-hover: #554dca;
    --blue: #3b82f6;
    --surface: #ffffff;
    --surface-soft: #eef5ff;
    --text: #0f1f3d;
    --muted: #667085;
    --border: rgba(93, 116, 170, 0.14);
    --bg: #f8faff;
}

body {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Arial, sans-serif;
    background:
        radial-gradient(circle at 8% 5%, rgba(31, 182, 255, 0.1), transparent 28rem),
        radial-gradient(circle at 92% 8%, rgba(168, 85, 247, 0.08), transparent 30rem),
        #f8faff;
}

.topbar {
    top: 12px;
    width: min(1180px, calc(100% - 32px));
    margin: 12px auto 0;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.74);
    box-shadow: 0 14px 40px rgba(76, 102, 170, 0.1);
    backdrop-filter: blur(18px) saturate(150%);
}

.brand {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
}

.brand-badge {
    background: linear-gradient(135deg, #2f80ed 0%, #635bff 55%, #a855f7 100%);
    box-shadow: 0 10px 24px rgba(99, 91, 255, 0.2);
}

.header-cta,
.primary-action {
    border: 0;
    color: #fff;
    background: linear-gradient(135deg, #2f80ed 0%, #635bff 55%, #a855f7 100%);
    box-shadow: 0 12px 28px rgba(99, 91, 255, 0.2);
}

.hero {
    padding-top: 72px;
}

.eyebrow {
    color: #554dca;
    background: linear-gradient(135deg, rgba(47, 128, 237, 0.1), rgba(168, 85, 247, 0.1));
}

h1,
h2,
h3,
h4 {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
}

.panel,
.toc,
.highlight-card,
.notice-card {
    border-color: var(--border);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 12px 34px rgba(76, 102, 170, 0.08);
}

.panel {
    backdrop-filter: blur(14px);
}

.highlight-card {
    background: linear-gradient(145deg, rgba(234, 246, 255, 0.88), rgba(246, 241, 255, 0.82));
}

.lang-menu {
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 18px 44px rgba(76, 102, 170, 0.14);
    backdrop-filter: blur(18px);
}

.footer {
    border-top: 1px solid var(--border);
    background: linear-gradient(180deg, #f8faff, #eef3fb);
}

@media (max-width: 720px) {
    .topbar {
        top: 8px;
        width: calc(100% - 20px);
        margin-top: 8px;
        border-radius: 18px;
    }

    .hero {
        padding-top: 48px;
    }

    .panel {
        border-radius: 18px;
    }
}