/* ============================================================
   Blood Donor Club PP — Public Site CSS
   Warm off-white base, crimson red reserved for urgency, big bold
   mobile-first type. Brand colors come from SiteSettings via CSS vars
   injected inline in _Layout.cshtml (fallback values here).
   ============================================================ */

:root {
    --bb-primary: #C21807;
    --bb-primary-soft: #FBE4E0;
    --bb-accent: #0F766E;
    --bb-accent-soft: #DCF3F1;
    --bb-dark: #1A1A1A;
    --bb-bg: #FBF9F5;
    --bb-warn: #B45309;
    --bb-warn-soft: #FEF3E2;
}

html { font-size: 15px; }
@media (min-width: 768px) { html { font-size: 16px; } }

body {
    background: var(--bb-bg);
    color: var(--bb-dark);
    font-family: 'Hind Siliguri', 'Inter', system-ui, -apple-system, sans-serif;
    overflow-x: clip;
}

h1, h2, h3, h4, .fw-brand { font-weight: 700; letter-spacing: -0.01em; }

a { color: var(--bb-primary); text-decoration: none; }
a:hover { color: #9c1305; }

.btn-primary {
    background-color: var(--bb-primary);
    border-color: var(--bb-primary);
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    background-color: #9c1305 !important;
    border-color: #9c1305 !important;
}
.btn-outline-primary { color: var(--bb-primary); border-color: var(--bb-primary); }
.btn-outline-primary:hover { background-color: var(--bb-primary); border-color: var(--bb-primary); }

.btn-accent { background-color: var(--bb-accent); border-color: var(--bb-accent); color: #fff; }
.btn-accent:hover { background-color: #0b5c55; border-color: #0b5c55; color: #fff; }

.text-primary-brand { color: var(--bb-primary) !important; }
.text-accent-brand { color: var(--bb-accent) !important; }
.bg-primary-brand { background-color: var(--bb-primary) !important; }
.bg-soft-brand { background-color: var(--bb-primary-soft) !important; }

/* ---- Header ---- */
.site-header {
    background: #fff;
    border-bottom: 1px solid #EDE7DE;
    position: sticky;
    top: 0;
    z-index: 1030;
    padding: .65rem 0;
}
.site-header.shrink { padding: .35rem 0; }
.site-header .navbar-brand {
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--bb-dark);
    min-width: 0;
}
.site-header .navbar-brand small {
    display: block;
    font-size: .7rem;
    font-weight: 500;
    color: var(--bb-primary);
}
.site-header .nav-link { font-weight: 600; color: var(--bb-dark); }
.site-header .nav-link:hover, .site-header .nav-link.active { color: var(--bb-primary); }
.lang-toggle {
    border: 1px solid #E5DFD5; border-radius: 999px; padding: .3rem .85rem;
    font-weight: 600; font-size: .85rem; color: var(--bb-dark);
}
.lang-toggle:hover { border-color: var(--bb-primary); color: var(--bb-primary); }

/* ---- Hero ---- */
.hero {
    background: linear-gradient(180deg, #fff 0%, var(--bb-bg) 100%);
    padding: 3.5rem 0 3rem;
    position: relative;
    overflow: hidden;
}
.hero h1 {
    font-size: clamp(1.9rem, 5vw, 3.2rem);
    line-height: 1.15;
}
.hero .lead { font-size: clamp(1rem, 2.4vw, 1.25rem); color: #4B5563; }

/* ---- Blood group availability board ---- */
.blood-group-card {
    border-radius: 16px;
    padding: 1.2rem .8rem;
    text-align: center;
    background: #fff;
    border: 2px solid #EDE7DE;
    height: 100%;
}
.blood-group-card .bg-code { font-size: 1.9rem; font-weight: 800; }
.blood-group-card .bg-count { font-size: .95rem; font-weight: 600; margin-top: .25rem; }
.blood-group-card.status-plenty { border-color: #B7E4C7; background: #F2FBF5; }
.blood-group-card.status-plenty .bg-code { color: #1E7E42; }
.blood-group-card.status-low { border-color: #F5D48A; background: #FFFAF0; }
.blood-group-card.status-low .bg-code { color: #92600A; }
.blood-group-card.status-critical { border-color: #F3B6AE; background: #FFF3F1; }
.blood-group-card.status-critical .bg-code { color: var(--bb-primary); }

/* ---- Stat counters ---- */
.stat-item { text-align: center; padding: 1rem; }
.stat-item .stat-num { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; color: var(--bb-primary); }
.stat-item .stat-label { font-weight: 600; color: #4B5563; }

/* ---- How it works steps ---- */
.step-item { text-align: center; padding: 1rem; }
.step-item .step-icon {
    width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center;
    margin: 0 auto .75rem; background: var(--bb-primary-soft); color: var(--bb-primary); font-size: 1.6rem;
}

/* ---- Donor / Emergency cards ---- */
.donor-card, .emergency-card, .service-card, .testi-card {
    background: #fff; border: 1px solid #EDE7DE; border-radius: 14px; padding: 1.1rem;
}
.donor-card .donor-phone-masked { letter-spacing: .05em; color: #6B7280; }
.badge-available { background: #DFF5E6; color: #1E7E42; }
.badge-unavailable { background: #F1F1F1; color: #6B7280; }
.badge-urgent { background: var(--bb-primary-soft); color: var(--bb-primary); }

/* ---- Emergency floating button ---- */
.emergency-float-btn {
    position: fixed;
    right: 1.1rem;
    bottom: 1.1rem;
    z-index: 1040;
    background: var(--bb-primary);
    color: #fff;
    border-radius: 999px;
    padding: .8rem 1.3rem;
    font-weight: 700;
    box-shadow: 0 10px 28px rgba(194,24,7,.35);
    display: inline-flex;
    align-items: center;
    gap: .5rem;
}
.emergency-float-btn:hover { background: #9c1305; color: #fff; }
.emergency-float-btn i { font-size: 1.2rem; }

.float-actions {
    position: fixed;
    left: 1.1rem;
    bottom: 1.1rem;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    gap: .6rem;
}
.float-actions a {
    width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
    font-size: 1.3rem; color: #fff; box-shadow: 0 8px 20px rgba(0,0,0,.18);
}
.float-actions .fa-whatsapp { background: #25D366; }
.float-actions .fa-call { background: var(--bb-accent); }

/* ---- Footer ---- */
.site-footer {
    background: var(--bb-dark);
    color: #E5E1DA;
    padding: 3rem 0 1.5rem;
    border-top: 4px solid var(--bb-primary);
}
.site-footer a { color: #E5E1DA; }
.site-footer a:hover { color: #fff; }
.site-footer h5 { color: #fff; font-weight: 700; margin-bottom: 1rem; }
.site-footer .dev-credit { color: #9CA3AF; font-size: .85rem; }
.site-footer .dev-credit a { color: #C9CDD3; font-weight: 600; }
.back-to-top {
    position: fixed; right: 1.1rem; bottom: 5.2rem; z-index: 1039;
    width: 42px; height: 42px; border-radius: 50%; display: none; place-items: center;
    background: #fff; color: var(--bb-dark); box-shadow: 0 8px 20px rgba(0,0,0,.15);
}
.back-to-top.show { display: grid; }

/* ---- Mobile responsive safety net (non-negotiable, every page) ---- */
img, svg, video, iframe { max-width: 100%; }
img { height: auto; }
table { max-width: 100%; }
.container, .container-fluid { overflow-wrap: break-word; }
h1, h2, h3, h4, p, a, span, li { overflow-wrap: break-word; }
.navbar-brand { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

@media (max-width: 1199.98px) {
    .row.g-5 { --bs-gutter-x: 1.5rem; }
}

@media (max-width: 767.98px) {
    .hero, .section { padding: 2.2rem 0; }
    .emergency-float-btn span { display: none; }
    .emergency-float-btn { padding: .8rem 1rem; }
}