/* ─────────────────────────────────────────────────────────────
   Canisight — public marketing website
   Plain static site (no framework). Palette and tokens mirror the
   Command app's app.css so the two feel like one product.
   ───────────────────────────────────────────────────────────── */

:root {
    --cs-green: #3d6f42;
    --cs-green-dark: #1e3120;
    --cs-green-light: #4a8a50;
    --cs-beige: #f8f5f2;
    --cs-gray: #e2e2e2;
    --cs-gray-light: #f2f3f5;
    --cs-text: #212934;
    --cs-text-muted: #6b7280;
    --cs-white: #ffffff;
    --cs-danger: #e50000;

    --cs-maxwidth: 1080px;
    --cs-radius: 10px;
    --cs-shadow: 0 1px 2px rgba(30, 49, 32, .06), 0 8px 24px rgba(30, 49, 32, .08);
    --cs-shadow-lg: 0 12px 40px rgba(30, 49, 32, .16);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--cs-beige);
    color: var(--cs-text);
    margin: 0;
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
}

h1, h2, h3 { margin-top: 0; color: var(--cs-green-dark); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); letter-spacing: -.01em; }
h3 { font-size: 1.2rem; font-weight: 600; color: var(--cs-text); }
p  { margin-top: 0; }

a { color: var(--cs-green); text-decoration: none; }
a:hover { color: var(--cs-green-dark); }

.cs-container { width: 100%; max-width: var(--cs-maxwidth); margin-inline: auto; padding-inline: 1.25rem; }

/* ── Buttons ─────────────────────────────────────── */

.cs-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    font: inherit;
    font-weight: 600;
    padding: .75rem 1.75rem;
    min-height: 48px;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color .15s ease, border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.cs-button:hover { text-decoration: none; transform: translateY(-1px); }
.cs-button--primary { color: #fff; background-color: var(--cs-green); border-color: var(--cs-green); }
.cs-button--primary:hover { color: #fff; background-color: var(--cs-green-dark); border-color: var(--cs-green-dark); }
.cs-button--secondary { color: var(--cs-text); background-color: var(--cs-white); border-color: var(--cs-gray); }
.cs-button--secondary:hover { background-color: var(--cs-gray-light); border-color: var(--cs-text-muted); }
.cs-button--lg { padding: .95rem 2.25rem; font-size: 1.1rem; min-height: 56px; }
.cs-button svg { width: 20px; height: 20px; }

/* ── Header / nav ────────────────────────────────── */

.cs-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: rgba(248, 245, 242, .85);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--cs-gray);
}
.cs-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 64px;
}
.cs-brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 700; color: var(--cs-green-dark); font-size: 1.15rem; }
.cs-brand:hover { color: var(--cs-green-dark); }
.cs-brand svg { width: 26px; height: 26px; color: var(--cs-green); }

.cs-nav { display: flex; align-items: center; gap: .35rem; }
.cs-nav a {
    padding: .5rem .85rem;
    border-radius: 7px;
    color: var(--cs-text);
    font-weight: 500;
}
.cs-nav a:hover { background-color: var(--cs-gray-light); color: var(--cs-green-dark); }
/* aria-current covers any plain links; .active is what Blazor's NavLink sets. */
.cs-nav a[aria-current="page"],
.cs-nav a.active:not(.cs-button) { color: var(--cs-green-dark); background-color: rgba(61, 111, 66, .1); }
.cs-nav .cs-button { padding: .5rem 1.1rem; min-height: 40px; }
.cs-nav .cs-button.active { color: #fff; }

/* Mobile nav — CSS-only toggle (checkbox hack, no JS) */
.cs-nav-toggle, .cs-nav-burger { display: none; }
@media (max-width: 720px) {
    .cs-nav-burger {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 44px; height: 44px;
        border: 1px solid var(--cs-gray);
        border-radius: 8px;
        background: var(--cs-white);
        cursor: pointer;
    }
    .cs-nav-burger svg { width: 22px; height: 22px; }
    .cs-nav {
        position: absolute;
        top: 64px; left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: .25rem;
        padding: .75rem 1.25rem 1.25rem;
        background: var(--cs-beige);
        border-bottom: 1px solid var(--cs-gray);
        box-shadow: var(--cs-shadow);
        display: none;
    }
    .cs-nav-toggle:checked ~ .cs-nav { display: flex; }
    .cs-nav .cs-button { justify-content: center; }
}

/* ── Sections ────────────────────────────────────── */

.cs-section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.cs-section--tight { padding-block: clamp(2rem, 4vw, 3rem); }
.cs-section--alt { background: linear-gradient(180deg, var(--cs-white), var(--cs-beige)); border-block: 1px solid var(--cs-gray); }

.cs-eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .8rem;
    font-weight: 700;
    color: var(--cs-green);
    margin-bottom: .75rem;
}
.cs-lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--cs-text-muted); max-width: 52ch; }

/* ── Hero ────────────────────────────────────────── */

.cs-hero { padding-block: clamp(3rem, 7vw, 6rem); overflow: hidden; }
.cs-hero__grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}
.cs-hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.cs-hero__media {
    position: relative;
    border-radius: var(--cs-radius);
    box-shadow: var(--cs-shadow-lg);
    overflow: hidden;
    background: var(--cs-white);
}
.cs-hero__art { width: 100%; height: auto; display: block; }

/* Live camera card overlaid on the hero photo */
.cs-live-card {
    position: absolute;
    top: .85rem;
    left: .85rem;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .4rem .75rem .4rem .45rem;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(6px);
    border-radius: 999px;
    box-shadow: var(--cs-shadow);
    font-size: .82rem;
    font-weight: 600;
    color: var(--cs-text);
}
.cs-live-card__icon { width: 18px; height: 18px; color: var(--cs-green); }
.cs-live-card__text { white-space: nowrap; }
.cs-live-badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .2rem .5rem;
    background: var(--cs-danger);
    color: #fff;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .08em;
}
.cs-live-dot {
    width: .45rem;
    height: .45rem;
    border-radius: 50%;
    background: #fff;
    animation: cs-live-pulse 1.4s ease-in-out infinite;
}
@keyframes cs-live-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .35; transform: scale(.6); }
}
@media (prefers-reduced-motion: reduce) {
    .cs-live-dot { animation: none; }
}

@media (max-width: 860px) {
    .cs-hero__grid { grid-template-columns: 1fr; }
    .cs-hero__media { max-width: 480px; margin-inline: auto; order: -1; }
}

/* ── Feature cards ───────────────────────────────── */

.cs-grid { display: grid; gap: 1.25rem; }
.cs-grid--3 { grid-template-columns: repeat(3, 1fr); }
.cs-grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 820px) { .cs-grid--3, .cs-grid--2 { grid-template-columns: 1fr; } }

.cs-card {
    background: var(--cs-white);
    border: 1px solid var(--cs-gray);
    border-radius: var(--cs-radius);
    padding: 1.75rem;
    box-shadow: var(--cs-shadow);
}
.cs-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px; height: 48px;
    border-radius: 12px;
    background: rgba(61, 111, 66, .1);
    color: var(--cs-green);
    margin-bottom: 1rem;
}
.cs-card__icon svg { width: 24px; height: 24px; }
.cs-card h3 { margin-bottom: .4rem; }
.cs-card p { color: var(--cs-text-muted); margin-bottom: 0; }

/* ── Product choice cards ────────────────────────── */

.cs-choice {
    display: flex;
    flex-direction: column;
    background: var(--cs-white);
    border: 1px solid var(--cs-gray);
    border-radius: var(--cs-radius);
    padding: 2rem;
    box-shadow: var(--cs-shadow);
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.cs-choice:hover { transform: translateY(-3px); box-shadow: var(--cs-shadow-lg); border-color: var(--cs-green-light); }
.cs-choice__badge {
    align-self: flex-start;
    display: inline-flex; align-items: center; justify-content: center;
    width: 56px; height: 56px;
    border-radius: 14px;
    background: var(--cs-green); color: #fff;
    margin-bottom: 1.25rem;
}
.cs-choice__badge svg { width: 28px; height: 28px; }
.cs-choice h3 { font-size: 1.4rem; color: var(--cs-green-dark); }
.cs-choice p { color: var(--cs-text-muted); flex: 1 1 auto; }
.cs-choice .cs-button { margin-top: 1.5rem; width: 100%; }

/* ── Figure / photo ──────────────────────────────── */

.cs-figure {
    border-radius: var(--cs-radius);
    overflow: hidden;
    box-shadow: var(--cs-shadow-lg);
    background: var(--cs-white);
    border: 1px solid var(--cs-gray);
}
.cs-figure img, .cs-figure svg { display: block; width: 100%; height: auto; }
.cs-figure figcaption { padding: .85rem 1.25rem; font-size: .9rem; color: var(--cs-text-muted); border-top: 1px solid var(--cs-gray); }

/* ── Prose (terms, contact) ──────────────────────── */

.cs-prose { max-width: 68ch; }
.cs-prose h2 { margin-top: 2.5rem; }
.cs-prose h2:first-child { margin-top: 0; }
.cs-prose p, .cs-prose li { color: var(--cs-text); }
.cs-prose ul, .cs-prose ol { padding-left: 1.25rem; }
.cs-prose li { margin-bottom: .5rem; }

.cs-notice {
    padding: 1rem 1.25rem;
    border-radius: var(--cs-radius);
    border: 1px solid transparent;
    margin-bottom: 1.5rem;
}
.cs-notice--warn { color: #7a4f01; background-color: #fff4e0; border-color: #ffe2b0; }
.cs-notice--info { color: #0c5460; background-color: #d1ecf1; border-color: #bee5eb; }
.cs-notice strong { color: inherit; }

/* ── Contact ─────────────────────────────────────── */

.cs-contact-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    background: var(--cs-white);
    border: 1px solid var(--cs-gray);
    border-radius: var(--cs-radius);
    padding: 1.5rem;
    box-shadow: var(--cs-shadow);
    max-width: 460px;
}
.cs-contact-card__avatar {
    flex: 0 0 auto;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: rgba(61, 111, 66, .12);
    color: var(--cs-green);
    display: inline-flex; align-items: center; justify-content: center;
}
.cs-contact-card__avatar svg { width: 28px; height: 28px; }
.cs-contact-card .name { font-weight: 700; color: var(--cs-green-dark); }
.cs-contact-card a { font-weight: 600; }

/* ── CTA band ────────────────────────────────────── */

.cs-cta {
    background: linear-gradient(135deg, var(--cs-green-dark), var(--cs-green));
    color: #fff;
    border-radius: var(--cs-radius);
    padding: clamp(2rem, 4vw, 3rem);
    text-align: center;
}
.cs-cta h2 { color: #fff; }
.cs-cta p { color: rgba(255, 255, 255, .85); max-width: 48ch; margin-inline: auto; }
.cs-cta .cs-button--primary { background: #fff; color: var(--cs-green-dark); border-color: #fff; }
.cs-cta .cs-button--primary:hover { background: var(--cs-beige); color: var(--cs-green-dark); }

/* ── Footer ──────────────────────────────────────── */

.cs-footer {
    border-top: 1px solid var(--cs-gray);
    background: var(--cs-white);
    padding-block: 2rem;
    margin-top: 2rem;
}
.cs-footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.cs-footer a { color: var(--cs-text-muted); font-weight: 500; margin-right: 1rem; }
.cs-footer a:hover { color: var(--cs-green-dark); }
.cs-footer small { color: var(--cs-text-muted); }

/* ── Utilities ───────────────────────────────────── */

.cs-mt-1 { margin-top: 1rem; }
.cs-mt-2 { margin-top: 2rem; }
.cs-center { text-align: center; }
.cs-section-head { max-width: 60ch; margin-bottom: 2.5rem; }
.cs-center .cs-section-head { margin-inline: auto; }
.visually-hidden {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}