/* Public marketing site — Bootstrap 5 for grid/nav/components, brand styling layered on top.
   variables.css (copied from Polaris) is loaded first; this file maps those tokens onto Bootstrap's
   CSS variables so every Bootstrap component (buttons, navbar, cards) picks up brand colors for free. */

:root {
    --bs-primary: var(--color-primary);
    --bs-primary-rgb: 15, 149, 227;
    --bs-link-color: var(--color-primary);
    --bs-link-hover-color: var(--color-primary-dark);
    --bs-body-font-family: var(--font-base);
    --bs-body-color: var(--color-text);
    --bs-border-radius: var(--radius-md);
    --bs-border-radius-lg: var(--radius-lg);
}
body {
    font-family: var(--font-base);
}
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--color-heading);
}
.btn-primary {
    --bs-btn-bg: var(--color-primary);
    --bs-btn-border-color: var(--color-primary);
    --bs-btn-hover-bg: var(--color-primary-dark);
    --bs-btn-hover-border-color: var(--color-primary-dark);
    --bs-btn-active-bg: var(--color-primary-dark);
    --bs-btn-focus-shadow-rgb: 15, 149, 227;
    font-weight: 600;
}
.btn-outline-light:hover { color: var(--color-primary-dark); }
a { transition: color 0.15s var(--ease); }

/* ---- Navbar ---- */
.site-navbar {
    box-shadow: 0 1px 0 rgba(20, 30, 50, 0.06);
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
}
.site-navbar .nav-link {
    font-weight: 600;
    color: var(--color-heading);
    padding: var(--space-2) var(--space-3) !important;
}
.site-navbar .nav-link:hover { color: var(--color-primary); }

/* ---- Hero ---- */
.hero {
    position: relative;
    overflow: hidden;
    min-height: 72vh;
    display: flex;
    align-items: center;
    background: var(--color-primary);
    color: var(--color-white);
}
.hero video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
}
/* Background video is hidden on mobile — matches the current live site and saves mobile data/battery;
   the gradient behind it is the fallback. */
@media (max-width: 767.98px) {
    .hero video { display: none; }
}
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 26, 46, 0.35) 0%, rgba(11, 26, 46, 0.65) 100%);
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
}
.hero-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--space-2);
}
.hero h1 {
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--space-3);
}
.hero p.tagline {
    font-size: clamp(1.05rem, 1.6vw, 1.3rem);
    max-width: 560px;
    color: rgba(255,255,255,0.92);
    margin-bottom: var(--space-4);
}
.hero .btn-light {
    font-weight: 700;
    color: var(--color-primary-dark);
}

/* ---- Sections ---- */
.section { padding: clamp(3rem, 6vw, 5.5rem) 0; }
.section-alt { background: var(--color-bg-alt); }
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-primary);
}
.section-title { margin-top: var(--space-1); margin-bottom: var(--space-2); }
.section-lead { color: var(--color-text-muted); max-width: 640px; }

/* ---- Feature / info cards ---- */
.feature-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    height: 100%;
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--color-primary-tint);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: var(--space-3);
}

/* ---- Uses & Info page ---- */
.alert-brand {
    background: var(--color-primary-tint);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
}
.uses-jumpnav .btn {
    font-weight: 600;
}
.use-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    height: 100%;
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.use-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.use-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-2);
}
.use-card .ratio-badge {
    display: inline-block;
    background: var(--color-accent-tint);
    color: var(--color-primary-dark);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
}
.use-card-body { font-size: 0.95rem; color: var(--color-text); }
.use-card-body p:first-child { margin-top: 0; }
.use-card-body p:last-child { margin-bottom: 0; }

.callout {
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    height: 100%;
    border-left: 5px solid var(--color-primary);
    background: var(--color-bg-alt);
}
.callout.callout-danger {
    border-left-color: var(--color-danger);
    background: #FDEDED;
}
.callout h2 {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* ---- Dilution calculator ---- */
.calc-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
}
.calc-result {
    background: var(--color-primary-tint);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    font-size: 1.05rem;
}

/* ---- Footer ---- */
.site-footer {
    background: var(--color-primary);
    color: var(--color-white);
}
.footer-heading {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}
.footer-links a {
    color: rgba(255,255,255,0.78);
    text-decoration: none;
    display: inline-block;
    margin-bottom: var(--space-2);
}
.footer-links a:hover { color: var(--color-white); text-decoration: underline; }