/* main.css — v1.1.0 — public site + design tokens (mobile-first) */
:root {
    --smb-bg: #0a0c12;
    --smb-bg-soft: #12151e;
    --smb-card: #171a24;
    --smb-card-border: rgba(255, 255, 255, 0.08);
    --smb-text: #f1f3f9;
    --smb-text-muted: #9ba3b4;
    --smb-link: #e8eaf2;
    --smb-primary: #4f46e5;
    --smb-primary-dark: #4338ca;
    --smb-accent: #2dd4bf;
    --smb-radius-lg: 20px;
    --smb-radius-md: 14px;
    --smb-radius-sm: 10px;
    --smb-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    --smb-gradient: linear-gradient(135deg, #4f46e5 0%, #14b8a6 100%);
    --smb-container: 1180px;
    --smb-gutter: 20px;
}

* { box-sizing: border-box; }

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

body.smb-main {
    margin: 0;
    background: var(--smb-bg);
    color: var(--smb-text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
}

a { text-decoration: none; }

.smb-container {
    max-width: var(--smb-container);
    margin: 0 auto;
    padding: 0 var(--smb-gutter);
}

/* ---------- Nav ---------- */

.smb-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
    background: rgba(10, 12, 18, 0.85);
    border-bottom: 1px solid var(--smb-card-border);
}

.smb-nav-inner {
    max-width: var(--smb-container);
    margin: 0 auto;
    padding: 14px var(--smb-gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.smb-logo {
    font-weight: 700;
    font-size: 17px;
    color: var(--smb-text);
    text-decoration: none;
    flex-shrink: 0;
    white-space: nowrap;
}

.smb-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--smb-radius-sm);
    background: var(--smb-card);
    border: 1px solid var(--smb-card-border);
    color: var(--smb-text);
    font-size: 18px;
    cursor: pointer;
}

.smb-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 4px;
    background: var(--smb-bg-soft);
    border-bottom: 1px solid var(--smb-card-border);
    padding: 12px var(--smb-gutter) 20px;
}

.smb-nav-links.is-open { display: flex; }

.smb-nav-links a {
    color: var(--smb-link);
    font-size: 15px;
    padding: 12px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.smb-nav-links a:last-child { border-bottom: none; }
.smb-nav-links a:hover { color: var(--smb-accent); }

.smb-nav-links .smb-btn {
    margin-top: 8px;
    text-align: center;
}

/* ---------- Buttons ---------- */

.smb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 22px;
    border-radius: var(--smb-radius-sm);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}

.smb-btn-primary {
    background: var(--smb-gradient);
    color: #fff;
}

.smb-btn-ghost {
    background: transparent;
    color: var(--smb-text);
    border-color: var(--smb-card-border);
}

.smb-btn-block { width: 100%; }

.smb-main-content { min-height: 60vh; }

/* ---------- Hero (mobile-first base) ---------- */

.smb-hero {
    padding: 56px var(--smb-gutter) 48px;
    text-align: center;
}

.smb-hero-inner { max-width: 720px; margin: 0 auto; }

.smb-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--smb-card);
    border: 1px solid var(--smb-card-border);
    font-size: 12px;
    color: var(--smb-accent);
    margin-bottom: 18px;
    white-space: nowrap;
}

.smb-hero h1 {
    font-size: 28px;
    line-height: 1.2;
    margin: 0 0 14px;
    letter-spacing: -0.01em;
}

.smb-hero p {
    color: var(--smb-text-muted);
    font-size: 15px;
    margin: 0 0 28px;
}

.smb-hero-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.smb-hero-actions .smb-btn { width: 100%; }

/* ---------- Footer ---------- */

.smb-footer {
    border-top: 1px solid var(--smb-card-border);
    padding: 24px var(--smb-gutter);
}

.smb-footer-inner {
    max-width: var(--smb-container);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    color: var(--smb-text-muted);
    font-size: 13px;
    text-align: center;
}

.smb-footer-inner nav {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.smb-footer-inner a { color: var(--smb-link); text-decoration: none; }
.smb-footer-inner a:hover { color: var(--smb-accent); }

/* ---------- 404 ---------- */

.smb-404 {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--smb-gutter);
}

.smb-404-card {
    background: var(--smb-card);
    border: 1px solid var(--smb-card-border);
    border-radius: var(--smb-radius-lg);
    box-shadow: var(--smb-shadow);
    padding: 36px 28px;
    text-align: center;
    max-width: 480px;
    width: 100%;
}

.smb-404-card h1 { font-size: 21px; margin: 0 0 10px; }
.smb-404-card p { color: var(--smb-text-muted); margin: 0 0 22px; font-size: 14px; }

/* ================================================================
   Tablet and up
   ================================================================ */
@media (min-width: 768px) {
    :root { --smb-gutter: 32px; }

    .smb-nav-toggle { display: none; }

    .smb-nav-links {
        display: flex;
        position: static;
        flex-direction: row;
        align-items: center;
        background: none;
        border: none;
        padding: 0;
        gap: 20px;
        width: auto;
    }

    .smb-nav-links a {
        padding: 0;
        border-bottom: none;
        font-size: 14px;
    }

    .smb-nav-links .smb-btn {
        margin-top: 0;
        padding: 10px 20px;
    }

    .smb-hero {
        padding: 100px var(--smb-gutter) 80px;
    }

    .smb-hero h1 { font-size: 40px; }
    .smb-hero p { font-size: 17px; }

    .smb-hero-actions {
        flex-direction: row;
        justify-content: center;
    }

    .smb-hero-actions .smb-btn { width: auto; }

    .smb-footer-inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .smb-404-card { padding: 48px; }
    .smb-404-card h1 { font-size: 24px; }
}

/* ================================================================
   Desktop and up
   ================================================================ */
@media (min-width: 1024px) {
    .smb-hero h1 { font-size: 46px; }
}

/* Public nav + footer — v1.1.0 */

body.smb-public-body {
    margin: 0;
    background: var(--smb-bg);
    color: var(--smb-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.smb-public-nav {
    border-bottom: 1px solid var(--smb-card-border);
    background: var(--smb-bg-soft);
}

.smb-public-nav-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.smb-public-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--smb-link);
    text-decoration: none;
}

.smb-public-logo span {
    color: var(--smb-accent);
    font-weight: 500;
}

.smb-public-links {
    display: flex;
    gap: 24px;
}

.smb-public-links a,
.smb-nav-link {
    color: var(--smb-link);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.smb-public-links a:hover,
.smb-nav-link:hover {
    color: var(--smb-accent);
}

.smb-public-nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.smb-public-main {
    min-height: 60vh;
}

.smb-public-footer {
    border-top: 1px solid var(--smb-card-border);
    background: var(--smb-bg-soft);
    margin-top: 60px;
}

.smb-public-footer-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.smb-public-footer-links {
    display: flex;
    gap: 18px;
}

.smb-public-footer-links a {
    color: var(--smb-link);
    text-decoration: none;
    font-size: 13px;
}

.smb-public-footer-links a:hover {
    color: var(--smb-accent);
}

@media (max-width: 640px) {
    .smb-public-links {
        display: none;
    }
}

/* Maintenance mode notice */
.smb-maintenance {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 20px;
}

.smb-maintenance-card {
    max-width: 480px;
    text-align: center;
    padding: 40px 32px;
}

.smb-maintenance-card h1 {
    margin: 16px 0 12px;
    font-size: 1.75rem;
}

.smb-maintenance-card p {
    color: var(--smb-text-muted);
    line-height: 1.6;
}

/* Phase 13 — maintenance mode page */
.smb-maintenance-body {
    background: var(--smb-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
}

.smb-maintenance-wrap {
    width: 100%;
    max-width: 440px;
    padding: 24px;
}

.smb-maintenance-card {
    text-align: center;
    padding: 40px 28px;
}

.smb-maintenance-card h1 {
    color: var(--smb-text);
    margin: 12px 0 8px;
    font-size: 1.4rem;
}