:root {
    --sfs-navy: #0c1c2c;
    --sfs-navy-2: #132c43;
    --sfs-steel: #d9e0e6;
    --sfs-gold: #c69a48;
    --sfs-red: #8f2e2e;
    --sfs-paper: #f4f1e8;
    --sfs-ink: #17202a;
}

.challenge-coins-service-forged-page .entry-title,
.challenge-coins-service-forged-page .page-title {
    display: none;
}

.sfs-shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: clamp(20px, 4vw, 56px);
    color: var(--sfs-ink);
    background:
        linear-gradient(rgba(255,255,255,.96), rgba(255,255,255,.96)),
        repeating-linear-gradient(135deg, transparent 0 12px, rgba(12,28,44,.03) 12px 24px);
    border: 1px solid rgba(12,28,44,.12);
    box-shadow: 0 18px 50px rgba(12,28,44,.12);
}

.sfs-shell * { box-sizing: border-box; }

.sfs-hero {
    display: grid;
    grid-template-columns: minmax(120px, 190px) 1fr;
    gap: clamp(24px, 5vw, 56px);
    align-items: center;
    padding: clamp(28px, 5vw, 62px);
    color: var(--sfs-navy);
    background: linear-gradient(145deg, #ffffff, var(--sfs-paper));
    border-top: 8px solid var(--sfs-gold);
    position: relative;
    overflow: hidden;
}

.sfs-hero::after {
    content: "";
    position: absolute;
    inset: auto -8% -42% auto;
    width: 420px;
    height: 420px;
    border: 1px solid rgba(12,28,44,.08);
    border-radius: 50%;
    box-shadow: 0 0 0 40px rgba(12,28,44,.025), 0 0 0 90px rgba(12,28,44,.02);
}

.sfs-insignia {
    width: clamp(120px, 16vw, 180px);
    aspect-ratio: 1;
    border-radius: 50%;
    border: 5px double var(--sfs-gold);
    display: grid;
    place-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
    background: radial-gradient(circle at 50% 42%, rgba(198,154,72,.18), transparent 56%);
    box-shadow: inset 0 0 0 9px rgba(12,28,44,.04);
}

.sfs-star {
    display: block;
    color: var(--sfs-gold);
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1;
}

.sfs-ring {
    display: block;
    margin-top: -10px;
    letter-spacing: .14em;
    font-weight: 700;
    font-size: 12px;
}

.sfs-kicker,
.sfs-section-label,
.sfs-category {
    text-transform: uppercase;
    letter-spacing: .14em;
    font-weight: 800;
    font-size: 12px;
}

.sfs-kicker { color: var(--sfs-gold); }
.sfs-hero h1 { margin: 4px 0 10px; font-size: clamp(42px, 7vw, 78px); line-height: .95; color: var(--sfs-navy); }
.sfs-subtitle { max-width: 760px; font-size: clamp(18px, 2.3vw, 25px); line-height: 1.45; color: #3f4a55; }

.sfs-command-grid,
.sfs-story-grid,
.sfs-final-grid {
    display: grid;
    gap: 18px;
}

.sfs-command-grid { grid-template-columns: repeat(4, 1fr); margin: 22px 0; }
.sfs-command-grid article {
    padding: 20px;
    border: 1px solid rgba(12,28,44,.15);
    background: #fff;
    border-left: 5px solid var(--sfs-gold);
}
.sfs-command-grid strong { display: block; font-size: 25px; color: var(--sfs-navy); }
.sfs-command-grid span { display: block; margin-top: 4px; color: #56616c; }

.sfs-story-grid,
.sfs-final-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 28px 0; }
.sfs-panel { padding: clamp(24px, 4vw, 38px); border: 1px solid rgba(12,28,44,.14); background: #fff; }
.sfs-panel-accent { background: var(--sfs-paper); border-top: 5px solid var(--sfs-gold); }
.sfs-panel h2 { margin: 6px 0 14px; color: var(--sfs-navy); }
.sfs-panel p { line-height: 1.72; }
.sfs-section-label { color: var(--sfs-red); margin: 0; }

.sfs-filter-bar {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 6px;
    margin: 34px 0 28px;
    padding: 10px;
    background: var(--sfs-paper);
    border: 1px solid rgba(12,28,44,.14);
    border-bottom: 5px solid var(--sfs-gold);
}
.sfs-filter-bar button {
    appearance: none;
    min-width: 0;
    border: 1px solid rgba(12,28,44,.22);
    background: #fff;
    color: var(--sfs-navy);
    padding: 9px 4px;
    cursor: pointer;
    font-size: clamp(9px, 1.05vw, 12px);
    line-height: 1.1;
    font-weight: 800;
    white-space: nowrap;
}
.sfs-filter-bar button:hover,
.sfs-filter-bar button:focus-visible,
.sfs-filter-bar button.is-active { background: var(--sfs-gold); color: #111; border-color: var(--sfs-gold); }

.sfs-timeline { position: relative; margin: 0 auto; }
.sfs-timeline::before {
    content: "";
    position: absolute;
    left: calc(145px + 11px);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(var(--sfs-gold), var(--sfs-navy));
}
.sfs-event {
    display: grid;
    grid-template-columns: 145px 24px 1fr;
    gap: 18px;
    align-items: start;
    padding-bottom: 24px;
    transition: opacity .2s ease, transform .2s ease;
}
.sfs-event.is-hidden { display: none; }
.sfs-year { padding-top: 16px; text-align: right; font-weight: 900; color: var(--sfs-navy); }
.sfs-marker { width: 16px; height: 16px; border-radius: 50%; margin-top: 18px; background: var(--sfs-gold); border: 4px solid #fff; box-shadow: 0 0 0 2px var(--sfs-navy); z-index: 2; }
.sfs-event-card { padding: 18px 20px; background: #fff; border: 1px solid rgba(12,28,44,.14); border-left: 4px solid var(--sfs-navy); }
.sfs-event-card h3 { margin: 4px 0 8px; color: var(--sfs-navy); }
.sfs-event-card p { margin: 0; line-height: 1.65; }
.sfs-category { color: var(--sfs-red); }

.sfs-callout {
    display: flex;
    gap: 18px;
    align-items: center;
    margin-top: 34px;
    padding: clamp(24px, 4vw, 38px);
    background: var(--sfs-paper);
    color: var(--sfs-navy);
    border-top: 6px solid var(--sfs-gold);
}
.sfs-callout-mark { font-size: 48px; color: var(--sfs-gold); }
.sfs-callout strong { display: block; font-size: clamp(22px, 3vw, 34px); }
.sfs-callout p { margin: 6px 0 0; color: #46515c; }

@media (max-width: 820px) {
    .sfs-hero { grid-template-columns: 1fr; text-align: center; }
    .sfs-insignia { margin: 0 auto; }
    .sfs-command-grid { grid-template-columns: repeat(2, 1fr); }
    .sfs-story-grid, .sfs-final-grid { grid-template-columns: 1fr; }
}


@media (max-width: 760px) {
    .sfs-filter-bar { gap: 3px; padding: 6px; }
    .sfs-filter-bar button { padding: 8px 2px; font-size: clamp(7px, 1.7vw, 10px); letter-spacing: -.02em; }
}

@media (max-width: 620px) {
    .sfs-shell { padding: 12px; }
    .sfs-command-grid { grid-template-columns: 1fr; }
    .sfs-timeline::before { left: 7px; }
    .sfs-event { grid-template-columns: 20px 1fr; gap: 12px; }
    .sfs-year { grid-column: 2; text-align: left; padding-top: 0; }
    .sfs-marker { grid-column: 1; grid-row: 1 / span 2; margin-top: 5px; }
    .sfs-event-card { grid-column: 2; }
}

/* v1.0.5 photo storytelling */
.sfs-photo-section {
    margin: 30px 0 34px;
    padding: clamp(22px, 4vw, 36px);
    background: var(--sfs-paper);
    border: 1px solid rgba(12,28,44,.14);
    border-top: 5px solid var(--sfs-gold);
}
.sfs-photo-heading { margin-bottom: 18px; }
.sfs-photo-heading h2 { margin: 5px 0 0; color: var(--sfs-navy); }
.sfs-photo-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
}
.sfs-photo-card,
.sfs-event-photo { margin: 0; }
.sfs-photo-card {
    padding: 8px;
    background: #fff;
    border: 1px solid rgba(12,28,44,.16);
}
.sfs-photo-card img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 390px;
    object-fit: contain;
    background: #eef1f3;
}
.sfs-photo-card figcaption,
.sfs-event-photo figcaption {
    padding-top: 9px;
    color: #56616c;
    font-size: 13px;
    line-height: 1.4;
    font-weight: 700;
}
.sfs-event-photo {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid rgba(12,28,44,.12);
}
.sfs-event-photo img {
    display: block;
    width: min(100%, 360px);
    height: auto;
    max-height: 440px;
    object-fit: contain;
    object-position: left center;
    border: 1px solid rgba(12,28,44,.14);
    background: var(--sfs-paper);
}
@media (max-width: 700px) {
    .sfs-photo-grid { grid-template-columns: 1fr; }
    .sfs-photo-card img { max-height: none; }
    .sfs-event-photo img { width: 100%; max-height: none; }
}


/* v1.0.6 documented milestones */
.sfs-doc-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid rgba(12,28,44,.12);
}
.sfs-document {
    margin: 0;
    min-width: 0;
}
.sfs-document a {
    display: block;
    background: #eef1f3;
    border: 1px solid rgba(12,28,44,.15);
    padding: 6px;
}
.sfs-document img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 330px;
    object-fit: contain;
    background: #fff;
}
.sfs-document figcaption {
    padding-top: 7px;
    color: #56616c;
    font-size: 12px;
    line-height: 1.4;
    font-weight: 700;
}
@media (max-width: 620px) {
    .sfs-doc-grid { grid-template-columns: 1fr; }
    .sfs-document img { max-height: none; }
}