/* =========================================================
   BNI Power Group — Reference Site
   Mobile-first stylesheet
   ========================================================= */

:root {
    --bni-red: #CF2030;
    --bni-red-dark: #A8121F;
    --bni-red-light: #F4D5D8;
    --bni-black: #1A1A1A;
    --bni-grey: #4A4A4A;
    --bni-grey-light: #E8E8E8;
    --bni-off-white: #FAFAFA;
    --bni-white: #FFFFFF;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --radius: 10px;
    --radius-lg: 16px;
    --transition: 0.2s ease-in-out;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--bni-black);
    background-color: var(--bni-off-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: var(--bni-red);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover,
a:focus {
    color: var(--bni-red-dark);
    text-decoration: underline;
}

/* ---------- Layout helpers ---------- */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- Header / nav ---------- */
.site-header {
    background-color: var(--bni-red);
    color: var(--bni-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    padding-bottom: 14px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--bni-white);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.3px;
}

.brand:hover,
.brand:focus {
    color: var(--bni-white);
    text-decoration: none;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--bni-white);
    color: var(--bni-red);
    border-radius: 6px;
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.brand-text {
    line-height: 1.15;
}

.brand-text small {
    display: block;
    font-weight: 400;
    font-size: 0.7rem;
    opacity: 0.85;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.brand-text--stacked {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-text--stacked span {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.nav-toggle {
    background: transparent;
    border: 0;
    color: var(--bni-white);
    cursor: pointer;
    padding: 8px;
    margin: -8px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.nav-toggle:focus {
    outline: 2px solid var(--bni-white);
    outline-offset: 2px;
    border-radius: 4px;
}

.nav-toggle .bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--bni-white);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle .bar + .bar {
    margin-top: 5px;
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
    display: none;
    width: 100%;
    background-color: var(--bni-red-dark);
}

.site-nav.is-open {
    display: block;
}

.site-nav ul {
    list-style: none;
    padding: 8px 20px 16px;
    max-width: 1100px;
    margin: 0 auto;
}

.site-nav li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.site-nav li:last-child {
    border-bottom: 0;
}

.site-nav a {
    display: block;
    padding: 12px 4px;
    color: var(--bni-white);
    font-weight: 500;
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--bni-white);
    text-decoration: underline;
}

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(135deg, var(--bni-red) 0%, var(--bni-red-dark) 100%);
    color: var(--bni-white);
    padding: 40px 0 48px;
    text-align: center;
}

.hero h1 {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.hero p {
    font-size: 1rem;
    max-width: 620px;
    margin: 0 auto;
    opacity: 0.95;
}

/* ---------- Main content ---------- */
main {
    padding: 32px 0 56px;
}

.section-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--bni-black);
}

.section-subtitle {
    color: var(--bni-grey);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

/* ---------- Member grid (home) ---------- */
.member-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.member-card {
    display: flex;
    flex-direction: column;
    background-color: var(--bni-white);
    border-radius: var(--radius);
    border: 1px solid var(--bni-grey-light);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    color: var(--bni-black);
    text-decoration: none;
}

.member-card:hover,
.member-card:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--bni-red);
    text-decoration: none;
    color: var(--bni-black);
}

.member-card-top {
    background-color: var(--bni-red);
    color: var(--bni-white);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bni-white);
    color: var(--bni-red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.05rem;
}

.member-card-top h2 {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.2;
}

.member-card-top .business {
    font-size: 0.82rem;
    opacity: 0.9;
    font-weight: 400;
}

.member-card-body {
    padding: 14px 18px 18px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px;
}

.member-card-body .service {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--bni-red);
    background-color: var(--bni-red-light);
    padding: 4px 10px;
    border-radius: 999px;
    align-self: flex-start;
}

.member-card-body .cta {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--bni-red);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.member-card-body .cta::after {
    content: "\2192";
    transition: transform var(--transition);
}

.member-card:hover .cta::after {
    transform: translateX(3px);
}

/* ---------- Member detail page ---------- */
.member-detail {
    background-color: var(--bni-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--bni-grey-light);
}

.member-detail-header {
    background: linear-gradient(135deg, var(--bni-red) 0%, var(--bni-red-dark) 100%);
    color: var(--bni-white);
    padding: 28px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.member-detail-header .avatar {
    width: 64px;
    height: 64px;
    font-size: 1.5rem;
}

.member-detail-header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 4px;
}

.member-detail-header .business {
    font-size: 1rem;
    opacity: 0.95;
    font-weight: 500;
}

.member-detail-meta {
    padding: 18px 22px;
    border-bottom: 1px solid var(--bni-grey-light);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}

.service-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--bni-red);
    background-color: var(--bni-red-light);
    padding: 6px 12px;
    border-radius: 999px;
}

.website-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bni-red);
    color: var(--bni-white);
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background-color var(--transition);
}

.website-btn:hover,
.website-btn:focus {
    background-color: var(--bni-red-dark);
    color: var(--bni-white);
    text-decoration: none;
}

.website-btn::after {
    content: "\2197";
    font-size: 0.9rem;
}

.questions-section {
    padding: 22px;
}

.questions-section h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--bni-black);
}

.questions-section .lead {
    color: var(--bni-grey);
    font-size: 0.95rem;
    margin-bottom: 18px;
}

.question-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.question-list li {
    background-color: var(--bni-off-white);
    border-left: 4px solid var(--bni-red);
    border-radius: 8px;
    padding: 14px 16px;
    font-size: 0.98rem;
    line-height: 1.55;
    color: var(--bni-black);
}

.question-list li .q-num {
    display: inline-block;
    font-weight: 700;
    color: var(--bni-red);
    margin-right: 6px;
}

.audience-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--bni-red);
    background-color: var(--bni-red-light);
    padding: 2px 8px;
    border-radius: 4px;
    margin-right: 6px;
    vertical-align: middle;
}

/* Placeholder member */
.placeholder-notice {
    padding: 32px 22px;
    text-align: center;
    color: var(--bni-grey);
}

.placeholder-notice strong {
    color: var(--bni-black);
}

/* Back link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.back-link::before {
    content: "\2190";
}

/* ---------- Footer ---------- */
.site-footer {
    background-color: var(--bni-black);
    color: var(--bni-white);
    padding: 28px 0;
    text-align: center;
    font-size: 0.85rem;
}

.site-footer p {
    opacity: 0.85;
    margin: 0;
}

.site-footer a {
    color: var(--bni-white);
    text-decoration: underline;
}

/* ---------- Responsive: tablet ---------- */
@media (min-width: 600px) {
    .hero {
        padding: 56px 0 64px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .member-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .member-detail-header {
        padding: 36px 32px;
    }

    .member-detail-header h1 {
        font-size: 1.85rem;
    }

    .member-detail-meta,
    .questions-section {
        padding-left: 32px;
        padding-right: 32px;
    }
}

/* ---------- Responsive: desktop ---------- */
@media (min-width: 900px) {
    .nav-toggle {
        display: none;
    }

    .site-nav {
        display: block !important;
        width: auto;
        background-color: transparent;
    }

    .site-nav ul {
        display: flex;
        gap: 6px;
        padding: 0;
    }

    .site-nav li {
        border-bottom: 0;
    }

    .site-nav a {
        padding: 8px 14px;
        border-radius: 6px;
    }

    .site-nav a:hover,
    .site-nav a:focus {
        background-color: rgba(255, 255, 255, 0.15);
        text-decoration: none;
    }

    .member-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    main {
        padding: 48px 0 72px;
    }
}