:root {
    color-scheme: dark;
    --bg: #0b1220;
    --surface: rgba(255, 255, 255, .035);
    --border: rgba(255, 255, 255, .11);
    --text: rgba(255, 255, 255, .93);
    --muted: rgba(255, 255, 255, .72);
    --subtle: rgba(255, 255, 255, .59);
    --accent: #9cc7ff;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

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

a:hover {
    color: #c5deff;
    text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.muted {
    color: var(--muted);
}

.subtle {
    color: var(--subtle);
}

.nav-shell {
    background: rgba(11, 18, 32, .94);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.navbar-brand:hover {
    text-decoration: none;
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--muted);
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #fff;
}

.brand-description {
    font-size: .85rem;
    font-weight: 400;
}

.mark {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: .5rem;
    background: rgba(255, 255, 255, .05);
    flex-shrink: 0;
}

.mark img {
    display: block;
    max-width: 34px;
    max-height: 34px;
    object-fit: contain;
}

.section {
    padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-tight {
    padding: 2rem 0 5rem;
}

.hero-description {
    max-width: 62ch;
}

.kicker {
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .14em;
    color: var(--accent);
}

.panel {
    background: linear-gradient(155deg, rgba(156, 199, 255, .09), rgba(255, 255, 255, .025) 65%);
    border: 1px solid var(--border);
    border-radius: .85rem;
    box-shadow: 0 24px 65px rgba(0, 0, 0, .18);
}

.panel-flat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: .85rem;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: .65rem;
    background: rgba(156, 199, 255, .12);
    color: var(--accent);
    font-size: 1.35rem;
}

.rule {
    height: 1px;
    background: var(--border);
}

.panel-statement {
    color: #e4efff;
    font-size: 1.1rem;
    font-weight: 600;
}

.btn-solid,
.btn-ghost {
    border-radius: .45rem;
    font-weight: 650;
    transition: background-color .2s, border-color .2s;
}

.btn-solid {
    background: rgba(156, 199, 255, .17);
    border: 1px solid rgba(156, 199, 255, .42);
    color: #fff;
}

.btn-solid:hover {
    background: rgba(156, 199, 255, .28);
    border-color: var(--accent);
    color: #fff;
    text-decoration: none;
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, .07);
    border-color: rgba(255, 255, 255, .24);
    color: #fff;
    text-decoration: none;
}

.metric {
    border-left: 2px solid rgba(156, 199, 255, .45);
    padding-left: 1rem;
    height: 100%;
}

.metric .value {
    font-size: 1.15rem;
    font-weight: 750;
}

.metric-label {
    color: var(--subtle);
    font-size: .9rem;
    line-height: 1.45;
    margin-top: .3rem;
}

.contact-panel {
    background: linear-gradient(120deg, rgba(156, 199, 255, .065), rgba(255, 255, 255, .02));
}

footer {
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, .16);
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        padding-top: 1rem;
    }

    .navbar-nav {
        align-items: flex-start;
    }
}

@media (max-width: 575.98px) {
    .section {
        padding: 3.5rem 0;
    }

    .section-tight {
        padding: 1rem 0 3.5rem;
    }

    .display-5 {
        font-size: clamp(2rem, 9vw, 2.7rem);
    }

    .contact-panel .btn {
        width: 100%;
        font-size: .92rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: .01ms !important;
    }
}