/* ===== THE SYSTEM PAGE — LIGHT MODE ===== */

.sys-page {
    min-height: 100vh;
    background: #f5f3ee;
    padding: 100px 60px 80px;
    box-sizing: border-box;
    color: #111;
    font-family: 'Montserrat', sans-serif;
}

/* Back nav */
.sys-back-row {
    max-width: 1100px;
    margin: 0 auto 48px;
}

.sys-back {
    font-size: 9px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: #aaa;
    text-decoration: none;
    transition: color 0.2s;
}

.sys-back:hover { color: #111; }

/* Header row */
.sys-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto 12px;
}

.sys-label {
    font-size: 9px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #bbb;
    font-weight: 600;
}

.sys-stat {
    font-size: 9px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #111;
    font-weight: 600;
}

/* Tagline */
.sys-title {
    font-size: 22px;
    font-weight: 300;
    letter-spacing: 0.3px;
    color: #111;
    max-width: 1100px;
    margin: 0 auto 52px;
    line-height: 1.4;
}

/* Diagram container */
.sys-diagram {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
}

/* SVG overlay */
.sys-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: visible;
    z-index: 0;
}

.sys-line {
    fill: none;
    stroke: #111;
    stroke-width: 1.2;
    opacity: 0.45;
}

/* Band row */
.sys-band {
    display: flex;
    align-items: stretch;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.sys-band-meta {
    font-size: 7px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #000;
    writing-mode: vertical-lr;
    transform: rotate(180deg);
    flex-shrink: 0;
    width: 18px;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Nodes row — always single line */
.sys-nodes {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

/* Node card */
.sys-node {
    flex: 1;
    min-width: 0;
    padding: 14px 10px 12px;
    border: 1px solid #e0ddd6;
    cursor: pointer;
    text-align: center;
    transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.sys-node:hover {
    border-color: #888 !important;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

/* Active node — dark card */
.sys-node--active {
    /* background: #aaa; */
    border: 1px solid #111;
    border-color: #111 !important;
    box-shadow: 0 6px 24px rgba(0,0,0,0.18);
}

/* Active node text — white on dark background */
.sys-node--active .sys-node-name {
    color: #000;
}

/* Image container */
.sys-node-img-wrap {
    width: 100%;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 4px 2px;
    flex-shrink: 0;
}

.sys-node-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
}

/* Placeholder when no image */
.sys-node-img-placeholder {
    width: 60%;
    height: 100%;
    background: #f0ede6;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.sys-node--active .sys-node-img-placeholder {
    background: #2a2a2a;
}

/* Product name */
.sys-node-name {
    font-size: 8px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #111;
    line-height: 1.4;
    display: block;
    transition: color 0.2s;
    word-break: break-word;
}

/* VIEW → link — only on active node */
.sys-node-link {
    font-size: 7px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #000;
    text-decoration: none;
    border-top: 1px solid rgba(255,255,255,0.18);
    padding-top: 8px;
    width: 100%;
    text-align: center;
    transition: opacity 0.2s;
}

.sys-node-link:hover { opacity: 0.65; }

/* Spacer between bands */
.sys-spacer {
    height: 80px;
}

/* Footer */
.sys-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 48px auto 0;
    padding-top: 22px;
    border-top: 1px solid #e0ddd6;
    flex-wrap: wrap;
    gap: 10px;
}

.sys-footer-text {
    font-size: 11px;
    color: #000;
    letter-spacing: 0.3px;
}

.sys-accent {
    font-size: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #000;
}

/* ==============================================
   RESPONSIVE — same single-row layout, scaled
============================================== */

/* Large tablet */
@media (max-width: 1100px) {
    .sys-page { padding: 100px 40px 70px; }
    .sys-node-img-wrap { height: 90px; }
}

/* Tablet */
@media (max-width: 820px) {
    .sys-page { padding: 100px 24px 56px; }
    .sys-back-row { margin-bottom: 32px; }
    .sys-title { font-size: 18px; margin-bottom: 36px; }
    .sys-band { gap: 8px; }
    .sys-nodes { gap: 7px; }
    .sys-node { padding: 10px 7px 9px; gap: 7px; clip-path: polygon(0 0, 100% 0, 100% 100%, 8px 100%, 0 calc(100% - 8px)); }
    .sys-node-img-wrap { height: 80px; }
    .sys-node-name { font-size: 7px; letter-spacing: 0.8px; }
    .sys-node-link { font-size: 6.5px; }
    .sys-spacer { height: 58px; }
    .sys-band-meta { display: none; }
}

/* Large phone */
@media (max-width: 640px) {
    .sys-page { padding: 100px 16px 44px; }
    .sys-back-row { margin-bottom: 26px; }
    .sys-title { font-size: 15px; margin-bottom: 28px; }
    .sys-band { gap: 6px; }
    .sys-nodes { gap: 5px; }
    .sys-node { padding: 8px 5px 7px; gap: 5px; clip-path: polygon(0 0, 100% 0, 100% 100%, 6px 100%, 0 calc(100% - 6px)); }
    .sys-node-img-wrap { height: 65px; padding: 4px 3px 1px; }
    .sys-node-name { font-size: 6px; letter-spacing: 0.5px; }
    .sys-node-link { font-size: 6px; padding-top: 5px; }
    .sys-spacer { height: 44px; }
    .sys-top { flex-direction: column; align-items: flex-start; gap: 5px; }
    .sys-footer { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* Phone */
@media (max-width: 480px) {
    .sys-page { padding: 100px 12px 40px; }
    .sys-back-row { margin-bottom: 22px; }
    .sys-title { font-size: 13px; margin-bottom: 24px; }
    .sys-band { gap: 5px; }
    .sys-nodes { gap: 4px; }
    .sys-node { padding: 7px 3px 6px; gap: 4px; clip-path: polygon(0 0, 100% 0, 100% 100%, 5px 100%, 0 calc(100% - 5px)); }
    .sys-node-img-wrap { height: 54px; padding: 3px 2px 1px; }
    .sys-node-name { font-size: 5.5px; letter-spacing: 0.3px; }
    .sys-node-link { font-size: 5.5px; padding-top: 4px; }
    .sys-spacer { height: 36px; }
    .sys-stat { font-size: 8px; letter-spacing: 2px; }
    .sys-label { font-size: 8px; letter-spacing: 2px; }
}

/* Small phone */
@media (max-width: 360px) {
    .sys-page { padding: 100px 10px 36px; }
    .sys-nodes { gap: 3px; }
    .sys-node { padding: 6px 3px 5px; gap: 3px; }
    .sys-node-img-wrap { height: 44px; padding: 2px 1px 1px; }
    .sys-node-name { font-size: 5px; letter-spacing: 0.2px; }
    .sys-node-link { font-size: 5px; padding-top: 4px; }
    .sys-spacer { height: 28px; }
}