/* ================================================================
   ADDED (round 2) — additive enhancement layer.
   New sections: scenario walkthrough, architecture, trust band,
   recent ships, App Store data render, one-pager link, diagram v2
   interactivity, craft bundle. No existing rules are modified;
   everything here is appended on top of css/style.css.
   ================================================================ */

/* ---- Sanctioned fix: the owner-fill placeholders are hidden until
       real data is filled in. The guard below is required because
       .placeholder-tag sets display:inline-block, which would
       otherwise override the [hidden] attribute. ---- */
[hidden] {
    display: none !important;
}

/* ---- Sanctioned fix: traction band collapses to 3 tiles while the
       owner-fill tile is hidden (remove `hidden` in index.html to
       return to 4 tiles automatically) ---- */
.traction-band:has(> .traction-fill[hidden]) {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* ---- Velocity: real Apple release-date caption ---- */
.velocity-dates {
    display: inline-block;
    margin-top: 6px;
    color: var(--teal);
    font-size: 0.92rem;
    font-weight: 750;
}

.velocity-dates:empty {
    display: none;
}

/* ---- Recent ships (real Apple version + release-date data) ---- */
.recent-ships {
    margin-top: 34px;
}

.recent-ships-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px 24px;
    margin-bottom: 14px;
}

.recent-ships-head h3 {
    font-size: 1.25rem;
}

.recent-ships-head p {
    color: var(--muted);
    font-size: 0.88rem;
}

.recent-ships-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
    list-style: none;
}

.recent-ship {
    min-width: 0;
}

.recent-ship > a {
    display: flex;
    flex-direction: column;
    gap: 8px;
    height: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 14px;
    background: var(--card);
    box-shadow: var(--shadow-soft);
    text-decoration: none;
    color: var(--ink);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.recent-ship > a:hover {
    transform: translateY(-2px);
    border-color: #c3d5f2;
}

.recent-ship img {
    width: 44px;
    height: 44px;
    border-radius: 24%;
    box-shadow: 0 8px 16px -8px rgba(15, 23, 42, 0.3);
}

.recent-ship-name {
    font-size: 0.86rem;
    font-weight: 750;
    line-height: 1.25;
}

.recent-ship-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
}

.recent-ship-version {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 2px 8px;
    background: #eff6ff;
    color: var(--blue);
    font-size: 0.72rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.recent-ship-date {
    color: var(--muted);
    font-size: 0.76rem;
    font-weight: 650;
    font-variant-numeric: tabular-nums;
}

/* ---- Real App Store rating badge (only rendered when Apple reports
       userRatingCount >= 20; no invented numbers, ever) ---- */
.rating-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 26px;
    border-radius: 999px;
    padding: 3px 9px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
    font-size: 0.76rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.rating-badge svg {
    width: 12px;
    height: 12px;
    display: block;
}

/* ---- "View screens" lightbox (Apple official screenshots; the
       trigger only renders when the snapshot contains URLs) ---- */
.screens-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 11px;
    background: #ffffff;
    color: var(--ink);
    cursor: pointer;
    font: inherit;
    font-size: 0.82rem;
    font-weight: 750;
    transition: border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.screens-btn:hover {
    border-color: #bfdbfe;
    color: var(--blue);
    box-shadow: var(--shadow-soft);
}

.screens-dialog {
    max-width: min(1080px, calc(100vw - 32px));
    width: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0;
    background: var(--card);
    color: var(--ink);
    box-shadow: var(--shadow);
}

.screens-dialog::backdrop {
    background: rgba(15, 23, 42, 0.62);
    backdrop-filter: blur(4px);
}

.screens-dialog-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--line);
}

.screens-dialog-head h3 {
    font-size: 1.05rem;
}

.screens-dialog-head p {
    color: var(--muted);
    font-size: 0.8rem;
}

.screens-close {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
}

.screens-strip {
    display: flex;
    align-items: flex-start; /* no vertical stretch on portrait shots */
    gap: 14px;
    overflow-x: auto;
    padding: 18px 20px 22px;
    -webkit-overflow-scrolling: touch;
}

.screens-strip img {
    width: 220px;
    max-width: 60vw;
    height: auto;
    flex: 0 0 auto;
    border-radius: 14px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
}

/* ---- Scenario walkthrough: one day, one system ---- */
.scenario {
    background: rgba(255, 255, 255, 0.82);
}

.scenario-shell {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
    box-shadow: var(--shadow-soft);
    padding: 26px 26px 22px;
}

.scenario-steps {
    position: relative;
}

.scenario-step {
    display: none;
    max-width: 720px;
}

.scenario-step.is-active {
    display: block;
}

@media (prefers-reduced-motion: no-preference) {
    .scenario-step.is-active {
        animation: scenario-in 0.35s ease;
    }
}

@keyframes scenario-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.scenario-time {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border-radius: 999px;
    padding: 4px 12px;
    background: #eff6ff;
    color: var(--blue);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.scenario-time::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
}

.scenario-step h3 {
    margin-top: 14px;
    font-size: 1.5rem;
    line-height: 1.15;
}

.scenario-step p {
    margin-top: 10px;
    color: var(--muted);
    font-size: 1.02rem;
}

/* mini hub echo: the day's agents, active ones lit */
.scenario-hub {
    margin-top: 24px;
    border-top: 1px solid var(--line);
    padding-top: 20px;
}

.scenario-agents {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.scenario-agent {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 5px 13px 5px 6px;
    background: #ffffff;
    color: var(--muted);
    font-size: 0.84rem;
    font-weight: 750;
    opacity: 0.5;
    filter: saturate(0.2);
    transition: opacity 0.3s ease, filter 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, color 0.3s ease;
}

.scenario-agent img {
    width: 26px;
    height: 26px;
    border-radius: 24%;
}

.scenario-agent.is-lit {
    opacity: 1;
    filter: none;
    border-color: #93c5fd;
    color: var(--ink);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12), var(--shadow-soft);
}

.scenario-flow {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.scenario-flow-line {
    flex: 1 1 auto;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--blue), var(--teal));
    opacity: 0.4;
}

.scenario-flow-hub {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border-radius: 999px;
    padding: 6px 14px;
    background: linear-gradient(135deg, var(--blue), var(--teal));
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 800;
    white-space: nowrap;
}

.scenario-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 22px;
}

.scenario-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 8px 15px;
    background: #ffffff;
    color: var(--ink);
    cursor: pointer;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 750;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, color 0.18s ease, opacity 0.18s ease;
}

.scenario-btn:hover:not(:disabled) {
    border-color: #bfdbfe;
    color: var(--blue);
    box-shadow: var(--shadow-soft);
}

.scenario-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.scenario-dots {
    display: flex;
    gap: 8px;
}

.scenario-dot {
    width: 12px;
    height: 12px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: #e2e8f0;
    cursor: pointer;
    padding: 0;
    transition: background 0.2s ease, transform 0.2s ease;
}

.scenario-dot[aria-current="true"] {
    background: var(--blue);
    border-color: var(--blue);
    transform: scale(1.25);
}

.scenario-note {
    margin-top: 14px;
    color: var(--muted);
    font-size: 0.84rem;
    font-style: italic;
}

/* ---- Architecture: how it's built ---- */
.architecture {
    background: rgba(255, 255, 255, 0.82);
}

.arch-diagram-wrap {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
    box-shadow: var(--shadow-soft);
    padding: 22px 18px 12px;
}

.arch-svg {
    display: block;
    width: 100%;
    height: auto;
}

.arch-tier-box {
    fill: var(--card);
    stroke: var(--line);
    stroke-width: 1.5;
}

.arch-accent {
    rx: 3;
}

.arch-title {
    fill: var(--ink);
    font-weight: 800;
    font-size: 27px;
    letter-spacing: -0.4px;
}

.arch-sub {
    fill: var(--muted);
    font-weight: 600;
    font-size: 19px;
}

.arch-flow-label {
    fill: var(--muted);
    font-weight: 700;
    font-size: 17px;
}

.arch-arrow {
    stroke: var(--blue);
    stroke-width: 2.5;
    fill: none;
    opacity: 0.55;
}

.arch-arrow-head {
    fill: var(--blue);
    opacity: 0.55;
}

.arch-chip {
    fill: rgba(37, 99, 235, 0.08);
    stroke: rgba(37, 99, 235, 0.25);
}

.arch-chip-text {
    fill: var(--blue);
    font-weight: 750;
    font-size: 17px;
}

.arch-facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
    list-style: none;
}

.arch-facts li {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 13px 15px;
    background: var(--card);
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 700;
}

.arch-facts .ui-icon {
    flex: 0 0 auto;
    width: 1.8rem;
    height: 1.8rem;
    background: #eff6ff;
    color: var(--blue);
}

/* ---- Privacy trust band ---- */
.trust {
    padding: 36px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(246, 248, 251, 0.88);
}

.trust-band {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px 28px;
}

.trust-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.trust-item .ui-icon {
    flex: 0 0 auto;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 12px;
    background: #eff6ff;
    color: var(--blue);
}

.trust-item strong {
    display: block;
    font-size: 0.98rem;
    line-height: 1.3;
}

.trust-item span {
    display: block;
    margin-top: 3px;
    color: var(--muted);
    font-size: 0.86rem;
}

/* ---- One-pager link in #contact ---- */
.contact-onepager {
    margin-top: 22px;
}

.contact-onepager .btn {
    width: auto;
}

/* ---- Diagram v2: legend hover/focus highlight + click filter ---- */
.cl-legend li.cl-legend-interactive {
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 5px 12px;
    transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.cl-legend li.cl-legend-interactive:hover,
.cl-legend li.cl-legend-interactive:focus-visible {
    border-color: var(--line);
    background: var(--card);
    color: var(--ink);
}

.cl-svg .cl-node,
.cl-svg .cl-line,
.cl-svg .cl-clabel {
    transition: opacity 0.25s ease;
}

.cl-svg .cl-dim {
    opacity: 0.13 !important;
}

.cl-legend-hint {
    margin-top: 6px;
    text-align: center;
    color: var(--muted);
    font-size: 0.8rem;
}

/* ================================================================
   Founder portrait (owner-supplied photo, #founder section)
   The .studio section keeps its fixed dark surface in both themes,
   so one style set covers light and dark.
   ================================================================ */
.founder-portrait {
    margin: 30px 0 0;
    max-width: 300px;
}

.founder-portrait img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow:
        0 28px 56px -24px rgba(2, 6, 23, 0.85),
        0 0 0 1px rgba(148, 163, 184, 0.22);
}

.founder-portrait figcaption {
    margin-top: 12px;
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 650;
    letter-spacing: 0.01em;
}

/* ================================================================
   Craft bundle
   ================================================================ */
::selection {
    background: rgba(37, 99, 235, 0.24);
    color: inherit;
}

summary:focus-visible,
[tabindex]:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.34);
    outline-offset: 3px;
}

.btn:active,
.filter-chip:active,
.scenario-btn:active,
.screens-btn:active,
.theme-toggle:active,
.nav-toggle:active {
    transform: translateY(0) scale(0.985);
}

section[id],
[id] {
    scroll-margin-top: 92px;
}

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 1040px) {
    .traction-band:has(> .traction-fill[hidden]) {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .recent-ships-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .arch-facts {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .trust-band {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .traction-band:has(> .traction-fill[hidden]) {
        grid-template-columns: 1fr;
    }

    .recent-ships-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .arch-facts {
        grid-template-columns: 1fr;
    }

    .scenario-shell {
        padding: 20px 16px 16px;
    }

    .scenario-controls {
        flex-wrap: wrap;
    }

    .scenario-btn {
        flex: 1 1 auto;
        justify-content: center;
    }

    .scenario-dots {
        order: -1;
        width: 100%;
        justify-content: center;
        margin-bottom: 4px;
    }

    /* keep sizes within the fixed SVG boxes — larger bumps overflow */
    .arch-title {
        font-size: 31px;
    }

    .arch-sub {
        font-size: 21px;
    }

    .arch-flow-label {
        font-size: 19px;
    }

    .screens-strip img {
        width: 180px;
    }

    .contact-onepager .btn {
        width: 100%;
    }

    .founder-portrait {
        max-width: 260px;
    }
}

/* ================================================================
   Dark-mode overrides for round-2 additions
   ================================================================ */
:root[data-theme="dark"] ::selection {
    background: rgba(96, 165, 250, 0.35);
}

:root[data-theme="dark"] .recent-ship > a,
:root[data-theme="dark"] .arch-facts li {
    background: #101d31;
    border-color: var(--line);
}

:root[data-theme="dark"] .recent-ship > a:hover {
    border-color: #3b5b86;
}

:root[data-theme="dark"] .recent-ship-version {
    background: rgba(37, 99, 235, 0.18);
    color: #93c5fd;
}

:root[data-theme="dark"] .rating-badge {
    background: rgba(180, 83, 9, 0.18);
    border-color: rgba(253, 230, 138, 0.35);
    color: #fcd34d;
}

:root[data-theme="dark"] .screens-btn,
:root[data-theme="dark"] .scenario-btn,
:root[data-theme="dark"] .scenario-agent {
    background: #14213a;
    border-color: var(--line);
    color: #c2cfe2;
}

:root[data-theme="dark"] .screens-btn:hover,
:root[data-theme="dark"] .scenario-btn:hover:not(:disabled) {
    border-color: #3b5b86;
    color: #93c5fd;
}

:root[data-theme="dark"] .screens-dialog {
    background: #101d31;
    border-color: var(--line);
}

:root[data-theme="dark"] .screens-close {
    border-color: var(--line);
    color: var(--ink);
}

:root[data-theme="dark"] .scenario,
:root[data-theme="dark"] .architecture {
    background: rgba(13, 22, 38, 0.5);
}

:root[data-theme="dark"] .scenario-shell,
:root[data-theme="dark"] .arch-diagram-wrap {
    background: linear-gradient(180deg, #101d31 0%, #0d1929 100%);
    border-color: var(--line);
}

:root[data-theme="dark"] .scenario-time {
    background: rgba(37, 99, 235, 0.18);
    color: #93c5fd;
}

:root[data-theme="dark"] .scenario-agent.is-lit {
    border-color: #3b5b86;
    color: var(--ink);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.16), var(--shadow-soft);
}

:root[data-theme="dark"] .scenario-dot {
    background: #26374f;
    border-color: #26374f;
}

:root[data-theme="dark"] .scenario-dot[aria-current="true"] {
    background: #60a5fa;
    border-color: #60a5fa;
}

:root[data-theme="dark"] .trust {
    background: rgba(9, 15, 27, 0.55);
    border-color: var(--line);
}

:root[data-theme="dark"] .trust-item .ui-icon,
:root[data-theme="dark"] .arch-facts .ui-icon {
    background: rgba(37, 99, 235, 0.18);
    color: #93c5fd;
}

:root[data-theme="dark"] .arch-chip {
    fill: rgba(96, 165, 250, 0.12);
    stroke: rgba(96, 165, 250, 0.3);
}

:root[data-theme="dark"] .arch-chip-text {
    fill: #93c5fd;
}

:root[data-theme="dark"] .arch-arrow {
    stroke: #60a5fa;
}

:root[data-theme="dark"] .arch-arrow-head {
    fill: #60a5fa;
}

:root[data-theme="dark"] .cl-legend li.cl-legend-interactive:hover,
:root[data-theme="dark"] .cl-legend li.cl-legend-interactive:focus-visible {
    background: #14213a;
    border-color: #3b5b86;
}