/* Adaptive Survival Protocol — Publication stylesheet */

:root {
    --bg:         #0a0e1a;
    --surface:    #111827;
    --surface-2:  #1a2438;
    --border:     #1f2937;
    --border-2:   #2d3a4f;
    --text:       #e5e9f0;
    --muted:      #8b98a8;
    --accent:     #38bdf8;
    --accent-2:   #22d3ee;
    --ok:         #34d399;
    --warn:       #fbbf24;
    --red:        #f87171;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-2);
}

/* ------------------------------------------------------------------
   Navigation
   ------------------------------------------------------------------ */

nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: "Syne", sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: var(--text);
}

.nav-logo:hover {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 1.75rem;
    list-style: none;
}

.nav-links a {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 500;
}

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

.nav-cta {
    background: var(--accent);
    color: var(--bg) !important;
    padding: 0.5rem 1.1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: background 0.2s, transform 0.15s;
}

.nav-cta:hover {
    background: var(--accent-2);
    transform: translateY(-1px);
}

/* ------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------ */

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero {
    padding: 5rem 0 3rem;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--surface);
    border: 1px solid var(--border-2);
    padding: 0.4rem 1rem;
    border-radius: 999px;
    font-family: "DM Mono", monospace;
    font-size: 0.75rem;
    color: var(--muted);
    margin-bottom: 2rem;
}

.hero-badge span {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}

.hero h1 {
    font-family: "Syne", sans-serif;
    font-weight: 800;
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    line-height: 1.05;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.c-b { color: var(--accent); }
.c-t { color: var(--text); }

.hero-sub {
    font-size: 1.05rem;
    color: var(--muted);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-quote {
    max-width: 700px;
    margin: 2rem auto;
    padding: 1.5rem 2rem;
    border-left: 3px solid var(--accent);
    background: var(--surface);
    border-radius: 0 12px 12px 0;
    font-family: "DM Mono", monospace;
    font-size: 0.85rem;
    color: var(--muted);
    text-align: left;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn-primary,
.btn-ghost {
    padding: 0.7rem 1.5rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-block;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg);
}

.btn-primary:hover {
    background: var(--accent-2);
    color: var(--bg);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border-2);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ------------------------------------------------------------------
   Stats row
   ------------------------------------------------------------------ */

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    margin: 3rem 0;
}

.stat {
    background: var(--surface);
    padding: 1.5rem 1rem;
    text-align: center;
}

.stat-n {
    font-family: "Syne", sans-serif;
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-l {
    font-size: 0.72rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ------------------------------------------------------------------
   Sections
   ------------------------------------------------------------------ */

.section {
    padding: 4rem 0;
    border-top: 1px solid var(--border);
}

.section-label {
    font-family: "DM Mono", monospace;
    font-size: 0.72rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.8rem;
}

.section-title {
    font-family: "Syne", sans-serif;
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    margin-bottom: 1rem;
    line-height: 1.25;
}

.section-desc {
    max-width: 720px;
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

/* ------------------------------------------------------------------
   Cards
   ------------------------------------------------------------------ */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.5rem;
    transition: border-color 0.2s, transform 0.15s;
}

.card:hover {
    border-color: var(--border-2);
    transform: translateY(-2px);
}

/* ------------------------------------------------------------------
   Status box
   ------------------------------------------------------------------ */

.status-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 0.5rem 0;
    overflow: hidden;
}

.status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.status-row:last-child {
    border-bottom: none;
}

.status-key {
    color: var(--text);
}

.badge {
    font-family: "DM Mono", monospace;
    font-size: 0.7rem;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-ok {
    background: rgba(52, 211, 153, 0.12);
    color: var(--ok);
    border: 1px solid rgba(52, 211, 153, 0.3);
}

.badge-warn {
    background: rgba(251, 191, 36, 0.12);
    color: var(--warn);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge-red {
    background: rgba(248, 113, 113, 0.12);
    color: var(--red);
    border: 1px solid rgba(248, 113, 113, 0.3);
}

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

footer {
    border-top: 1px solid var(--border);
    margin-top: 5rem;
    background: var(--surface);
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 2rem 2rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    font-family: "Syne", sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 0.8rem;
    letter-spacing: 0.05em;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 0.6rem;
    line-height: 1.6;
}

.footer-meta {
    font-family: "DM Mono", monospace;
    font-size: 0.75rem;
    color: var(--muted);
    margin-top: 1rem;
    line-height: 1.8;
}

.footer-col h4 {
    font-family: "Syne", sans-serif;
    font-size: 0.8rem;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.6rem;
}

.footer-col a {
    font-size: 0.85rem;
    color: var(--muted);
}

.footer-col a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--muted);
    flex-wrap: wrap;
    gap: 1rem;
}

.flinks {
    display: flex;
    gap: 1.25rem;
}

.flinks a {
    color: var(--muted);
    font-size: 0.8rem;
}

.flinks a:hover {
    color: var(--accent);
}

/* ------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------ */

@media (max-width: 780px) {
    nav {
        padding: 0.8rem 1rem;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.85rem;
        order: 3;
        width: 100%;
        justify-content: center;
    }

    main {
        padding: 0 1rem;
    }

    .hero {
        padding: 3rem 0 2rem;
    }

    .hero-quote {
        padding: 1rem 1.2rem;
        font-size: 0.78rem;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}