/* ==================================================
   🜁 BEACONCORE + SABER‑FORCE — FINAL CLEAN SYSTEM
   ================================================== */


/* --------------------------------------------------
   🜁 STRUCTURAL BASELINE
   -------------------------------------------------- */

html, body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    background: #ffffff;
    color: #111111;

    /* global safety */
    overflow-x: hidden;
}

/* safe box model */
* {
    box-sizing: border-box;
}

/* image containment */
img {
    max-width: 100%;
    height: auto;
    display: block;
}


/* --------------------------------------------------
   HEADER
   -------------------------------------------------- */

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    border-bottom: 1px solid #e2e2e2;
}

.nav-left a,
.nav-right a {
    text-decoration: none;
    color: inherit;
}

.nav-left a {
    font-size: 20px;
    font-weight: 600;
}

.nav-right a {
    margin-left: 24px;
    opacity: 0.85;
}

.nav-right .active {
    font-weight: 700;
    opacity: 1;
}

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}


/* --------------------------------------------------
   PANELS (NO CLIPPING)
   -------------------------------------------------- */

.protocol-hero,
.protocol-overview,
.protocol-artifacts,
.protocol-doctrine,
.surfaces-hero,
.surfaces-body,
.surfaces-doctrine {
    border: 1px solid #e2e2e2;
    border-radius: 6px;
    padding: 1.75rem;
    margin-bottom: 2rem;
    background: transparent;
    max-width: 100%;
}


/* --------------------------------------------------
   ARTIFACT IMAGES
   -------------------------------------------------- */

.artifact-image,
.artifact-hero-image {
    display: block;
    max-width: 500px;
    width: 100%;
    height: auto;
    margin: 24px auto;
    border-radius: 8px;
}


/* --------------------------------------------------
   TRIAD — FINAL STABLE VERSION
   -------------------------------------------------- */

.triad-layout {
    display: grid;
    grid-template-columns: 1fr;
    margin: 2.5rem 0;
    border: 1px solid #e2e2e2;
}

@media (min-width: 750px) {
    .triad-layout {
        grid-template-columns: repeat(3, 1fr);
    }
}

.triad-column {
    padding: 16px;
    border-left: 1px solid #e2e2e2;
    min-width: 0; /* critical */
}

.triad-column:first-child {
    border-left: none;
}

.triad-column h4 {
    margin-bottom: 8px;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
}

.triad-column ul {
    list-style: none;
    margin: 0;
    padding: 0;
    font-family: monospace;
    font-size: 0.8rem;
}

/* solves clipping permanently */
.triad-column ul,
.triad-column li {
    overflow-wrap: anywhere;
}


/* --------------------------------------------------
   SABER‑FORCE PRESENTATION
   -------------------------------------------------- */

/* NAV */
html.saber-on .nav-right a {
    opacity: 0.85;
    transition: opacity 0.15s ease;
}

html.saber-on .nav-right a:hover {
    opacity: 1;
}


/* --------------------------------------------------
   HEADER SYSTEM
   -------------------------------------------------- */

html.saber-on header {
    color: inherit;
}

html.saber-on header a {
    color: inherit !important;
}


/* --------------------------------------------------
   PROTOCOL PAGE (BLUE)
   -------------------------------------------------- */

html.saber-on body.protocol-page {
    background:
        linear-gradient(
            to bottom,
            #050608 0%,
            #050608 40%,
            rgba(10, 12, 14, 0.95) 60%,
            rgba(12, 14, 16, 0.98) 75%,
            rgba(15, 17, 19, 1) 100%
        ),
        url('/obsidian-texture.png');

    background-size: cover;
    background-attachment: fixed;
    background-position: center top;

    color: #dfe7ef;
}


/* --------------------------------------------------
   SURFACES PAGE (WARM NEUTRAL — SEALED PALETTE)
   -------------------------------------------------- */

html.saber-on body.surfaces-page {
    background:
        linear-gradient(
            to bottom,
            #1f1616 0%,
            #1c1414 35%,
            rgba(30, 22, 22, 0.95) 60%, 
            rgba(26, 20, 20, 0.98) 75%,
            rgba(22, 17, 17, 1) 100%
        ),
        url('/obsidian-texture.png');

    background-size: cover;
    background-attachment: fixed;
    background-position: center top;

    color: #f2e9e4;
}

html.saber-on body.surfaces-page header {
    border-bottom: 1px solid rgba(180, 150, 130, 0.18);
}


/* --------------------------------------------------
   PRESENTATION PANELS
   -------------------------------------------------- */

html.saber-on .protocol-hero,
html.saber-on .protocol-overview,
html.saber-on .protocol-artifacts,
html.saber-on .protocol-doctrine {
    background: #050608;
    color: #dff8ff;
    border: 1px solid rgba(0,180,255,0.16);
    border-radius: 10px;
}

html.saber-on .surfaces-hero,
html.saber-on .surfaces-body,
html.saber-on .surfaces-doctrine {
    background: #241a1a;
    border: 1px solid rgba(200, 180, 160, 0.18);
    border-radius: 12px;
}