:root {
    --bg: #08090a;
    --surface: #0d0f12;
    --surface-2: #121519;
    --surface-3: #181c21;
    --border: rgba(255, 255, 255, 0.08);
    --border-subtle: rgba(255, 255, 255, 0.05);
    --border-strong: rgba(255, 255, 255, 0.15);
    --text: #f7f8f8;
    --text-2: #9ba0a8;
    --text-3: #83888f;
    --white: #ffffff;
    --cta-bg: #e6e6e6;
    --cta-hover: #ffffff;
    --cyan: #2ca6bd;
    --coral: #b85a4a;
    --ok: #2ca6bd;
    --warn: #d49b54;
    /* Spacing scale: the only source of margin, padding and gap */
    --sp-0-5: 0.125rem; --sp-1: 0.25rem; --sp-1-5: 0.375rem; --sp-2: 0.5rem; --sp-2-5: 0.625rem;
    --sp-3: 0.75rem; --sp-4: 1rem; --sp-5: 1.25rem; --sp-6: 1.5rem; --sp-7: 1.75rem; --sp-8: 2rem;
    --sp-10: 2.5rem; --sp-12: 3rem; --sp-14: 3.5rem; --sp-16: 4rem; --sp-20: 5rem; --sp-25: 6.25rem;
    --mono: 'SFMono-Regular', ui-monospace, Menlo, Monaco, Consolas, monospace;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    line-height: 1.55;
    overflow-x: hidden;
}

code {
    font-family: var(--mono);
    font-size: 0.85em;
    color: var(--text);
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.1em 0.4em;
    border-radius: 5px;
}

/* NAV */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(8, 9, 10, 0.84);
    backdrop-filter: blur(16px);
}
.nav-inner {
    max-width: 1360px;
    min-height: 58px;
    margin: 0 auto;
    padding: 0 var(--sp-8);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-brand {
    display: inline-flex;
    align-items: baseline;
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.03em;
    color: #ffffff;
    text-decoration: none;
}
.nav-brand .brand-sub {
    color: #8a8f98;
    font-weight: 400;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--sp-7);
}
.nav-links a {
    font-size: 0.83rem;
    font-weight: 400;
    color: var(--text-2);
    text-decoration: none;
    transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--sp-2-5);
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    height: 35px;
    padding: 0 var(--sp-4);
    border-radius: 8px;
    font-size: 0.83rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    border: 1px solid transparent;
    font-family: inherit;
}
.btn-lg {
    height: 40px;
    padding: 0 var(--sp-5);
    font-size: 0.87rem;
}
.btn-primary {
    background: var(--cta-bg);
    color: #08090a;
    border-color: var(--cta-bg);
}
.btn-primary:hover {
    background: var(--cta-hover);
    border-color: var(--cta-hover);
}
.btn-ghost {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-2);
    border-color: var(--border);
}
.btn-ghost:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-strong);
}

.container {
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 var(--sp-8);
}

/* HERO */
.linear-hero {
    padding: var(--sp-20) 0 var(--sp-16);
    position: relative;
    background: radial-gradient(ellipse 70% 36% at 50% 0%, rgba(255, 255, 255, 0.035) 0%, transparent 100%);
}
.hero-header { max-width: 880px; }
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-1) var(--sp-3);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.028);
    border: 1px solid var(--border);
    font-size: 0.77rem;
    color: var(--text-2);
    margin-bottom: var(--sp-6);
    flex-wrap: wrap;
}
.hero-eyebrow .eyebrow-tag { color: var(--text); font-weight: 500; }
.hero-eyebrow .eyebrow-sep { color: var(--text-3); }
.linear-title {
    font-size: clamp(2.35rem, 4.6vw, 3.85rem);
    font-weight: 500;
    line-height: 1.06;
    letter-spacing: -0.038em;
    color: var(--text);
    margin-bottom: var(--sp-5);
}
.linear-sub {
    font-size: 1.06rem;
    line-height: 1.64;
    color: var(--text-2);
    max-width: 740px;
    margin-bottom: var(--sp-8);
    letter-spacing: -0.01em;
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    flex-wrap: wrap;
}
.hero-meta-strip {
    display: flex;
    align-items: center;
    gap: var(--sp-6);
    flex-wrap: wrap;
    margin-top: var(--sp-6);
    font-size: 0.78rem;
    color: var(--text-3);
}
.hero-meta-strip span {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
}
.hero-meta-strip span::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-3);
}
.hero-meta-strip span:first-child::before { display: none; }

/* CO-DRIVING STAGE */
.linear-stage {
    margin-top: var(--sp-14);
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #0a0b0d;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.65);
}
.stage-topbar {
    min-height: 40px;
    padding: var(--sp-2) var(--sp-5);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.012);
    font-size: 0.75rem;
    color: var(--text-3);
}
.stage-crumbs {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-family: var(--mono);
}
.stage-crumbs strong { color: var(--text-2); font-weight: 500; }
.stage-grid {
    display: grid;
    grid-template-columns: minmax(400px, 1fr) minmax(470px, 1.18fr);
}
@media (max-width: 1020px) {
    .stage-grid { grid-template-columns: 1fr; }
}
.roadmap-pane {
    padding: var(--sp-6) var(--sp-7) var(--sp-7);
    border-right: 1px solid var(--border-subtle);
    background: repeating-linear-gradient(
        to right,
        transparent 0,
        transparent calc(25% - 1px),
        rgba(255, 255, 255, 0.022) calc(25% - 1px),
        rgba(255, 255, 255, 0.022) 25%
    );
}
.roadmap-cal-head {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--sp-1);
    padding-bottom: var(--sp-2-5);
    margin-bottom: var(--sp-5);
    border-bottom: 1px solid var(--border-subtle);
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
    letter-spacing: 0.03em;
}
.roadmap-cal-head > div {
    cursor: pointer;
    transition: color 0.2s ease;
    position: relative;
}
.roadmap-cal-head > div:hover { color: var(--text-2); }
.roadmap-cal-head > div.is-active { color: var(--text); }
.roadmap-cal-head > div.is-active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0.4rem;
    bottom: -0.68rem;
    height: 1px;
    background: rgba(255, 255, 255, 0.55);
}
.roadmap-tracks {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}
.track-card {
    padding: var(--sp-4) var(--sp-4);
    border-radius: 8px;
    background: rgba(14, 16, 19, 0.88);
    border: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
    transition: background 0.22s cubic-bezier(0.22, 1, 0.36, 1),
                border-color 0.22s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.22s cubic-bezier(0.22, 1, 0.36, 1),
                opacity 0.22s ease;
}
.track-card:hover {
    background: rgba(20, 23, 27, 0.95);
    border-color: rgba(255, 255, 255, 0.16);
}
.track-card:focus-visible {
    outline: 1px solid rgba(255, 255, 255, 0.35);
    outline-offset: 2px;
}
.linear-stage[data-active-stage] .track-card:not(.is-selected) { opacity: 0.5; }
.linear-stage[data-active-stage] .track-card:not(.is-selected):hover { opacity: 0.82; }
.track-card.is-selected {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(15, 18, 22, 0.96) 100%);
    border-color: rgba(255, 255, 255, 0.24);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.09), 0 10px 26px rgba(0, 0, 0, 0.36);
}
.track-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    margin-bottom: var(--sp-2);
}
.track-title {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: -0.01em;
}
.diamond {
    width: 7px;
    height: 7px;
    transform: rotate(45deg);
    border: 1.5px solid var(--text-2);
    display: inline-block;
    flex-shrink: 0;
    transition: border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}
.diamond.active, .track-card.is-selected .diamond {
    border-color: var(--cyan);
    background: rgba(44, 166, 189, 0.32);
}

.track-tag {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
    padding: var(--sp-0-5) var(--sp-2);
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.2s ease;
}
.track-card.is-selected .track-tag {
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.06);
}
.track-bar {
    min-height: 24px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.028);
    border: 1px solid rgba(255, 255, 255, 0.055);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-1-5) var(--sp-2-5);
    margin-bottom: var(--sp-2);
    font-size: 0.75rem;
    color: var(--text-3);
    transition: all 0.2s ease;
}
.track-card.is-selected .track-bar {
    background: rgba(44, 166, 189, 0.06);
    border-color: rgba(44, 166, 189, 0.24);
    color: var(--text-2);
}
.track-desc { font-size: 0.8125rem; color: var(--text-2); line-height: 1.5; }

/* Right Telemetry Chart */
.telemetry-pane {
    padding: var(--sp-6) var(--sp-7);
    background: #0c0d0f;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.telemetry-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    margin-bottom: var(--sp-4);
}
.telemetry-title { font-size: 0.92rem; font-weight: 500; color: var(--text); letter-spacing: -0.015em; }
.telemetry-head-meta {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
}
.stage-reset-btn {
    display: none;
    align-items: center;
    gap: var(--sp-1);
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-2);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: var(--sp-0-5) var(--sp-2);
    cursor: pointer;
}
.stage-reset-btn:hover { color: var(--text); border-color: var(--border-strong); }
.linear-stage[data-active-stage] .stage-reset-btn { display: inline-flex; }
.chart-legend {
    display: flex;
    align-items: center;
    gap: var(--sp-5);
    flex-wrap: wrap;
    margin-bottom: var(--sp-3);
    font-size: 0.75rem;
    color: var(--text-2);
}
.chart-legend span { display: inline-flex; align-items: center; gap: var(--sp-1-5); }
.legend-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.scatter-wrap { width: 100%; height: 232px; }
.scatter-wrap svg { width: 100%; height: 100%; display: block; }
.svg-spotlight { opacity: 0; transition: opacity 0.25s ease; pointer-events: none; }
.linear-stage[data-active-stage] .svg-spotlight { opacity: 1; }
.traj-base { transition: opacity 0.26s ease; }
.linear-stage[data-active-stage] .traj-base { opacity: 0.18; }
.traj-focus { opacity: 0; transition: opacity 0.26s ease; pointer-events: none; }
.linear-stage[data-active-stage="1"] .traj-focus-1,
.linear-stage[data-active-stage="2"] .traj-focus-2,
.linear-stage[data-active-stage="3"] .traj-focus-3 { opacity: 1; }
.stage-cluster { transition: opacity 0.26s ease, filter 0.26s ease; cursor: pointer; }
.linear-stage[data-active-stage="1"] .stage-cluster:not(.stage-cluster-1),
.linear-stage[data-active-stage="2"] .stage-cluster:not(.stage-cluster-2),
.linear-stage[data-active-stage="3"] .stage-cluster:not(.stage-cluster-3) { opacity: 0.2; }
.linear-stage[data-active-stage="1"] .stage-cluster-1,
.linear-stage[data-active-stage="2"] .stage-cluster-2,
.linear-stage[data-active-stage="3"] .stage-cluster-3 { opacity: 1; filter: brightness(1.12); }
.yaxis-lbl { transition: fill 0.22s ease, opacity 0.22s ease; }
.linear-stage[data-active-stage="1"] .yaxis-driver,
.linear-stage[data-active-stage="2"] .yaxis-copilot,
.linear-stage[data-active-stage="3"] .yaxis-driver,
.linear-stage[data-active-stage="3"] .yaxis-oncall { fill: #f7f8f8; }
.linear-stage[data-active-stage="1"] .yaxis-copilot,
.linear-stage[data-active-stage="1"] .yaxis-oncall,
.linear-stage[data-active-stage="2"] .yaxis-driver,
.linear-stage[data-active-stage="2"] .yaxis-oncall,
.linear-stage[data-active-stage="3"] .yaxis-copilot { opacity: 0.38; }
.svg-hit-zone { fill: transparent; cursor: pointer; }
.scatter-months {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding-top: var(--sp-2-5);
    border-top: 1px solid var(--border-subtle);
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
    text-align: center;
}
.scatter-months > div { position: relative; cursor: pointer; transition: color 0.2s ease, opacity 0.2s ease; }
.scatter-months > div:hover { color: var(--text-2); }
.linear-stage[data-active-stage] .scatter-months > div:not(.is-active) { opacity: 0.36; }
.scatter-months > div.is-active { color: var(--text); }
.scatter-months > div.is-active::before {
    content: '';
    position: absolute;
    left: 12%;
    right: 12%;
    top: -0.72rem;
    height: 1.5px;
    background: rgba(255, 255, 255, 0.62);
}
.telemetry-kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);
    margin-top: var(--sp-5);
    padding-top: var(--sp-4);
    border-top: 1px solid var(--border-subtle);
}
.kpi-val { font-size: 1.12rem; font-weight: 500; letter-spacing: -0.02em; color: var(--text); font-variant-numeric: tabular-nums; }
.kpi-lbl { font-size: 0.75rem; color: var(--text-3); margin-top: var(--sp-0-5); }

/* GENERIC SECTION HEADERS */
.section-block {
    padding: var(--sp-25) 0;
    border-top: 1px solid var(--border-subtle);
}
.section-header {
    max-width: 720px;
    margin-bottom: var(--sp-14);
}
.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: 0.79rem;
    font-weight: 500;
    color: var(--text-2);
    margin-bottom: var(--sp-3);
}
.section-eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-3);
}
.section-title {
    font-size: clamp(1.8rem, 3.2vw, 2.55rem);
    font-weight: 500;
    letter-spacing: -0.034em;
    line-height: 1.12;
    color: var(--text);
    margin-bottom: var(--sp-3);
}
.section-desc {
    font-size: 0.98rem;
    color: var(--text-2);
    line-height: 1.62;
}

/* LINEAR FIG 0.1 / 0.2 / 0.3 BORDERLESS ISOMETRIC COLUMNS (ZERO BOXES) */
.fig-trio {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.fig-col {
    padding: var(--sp-1) var(--sp-10) var(--sp-2) 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.fig-col + .fig-col {
    border-left: 1px solid var(--border-subtle);
    padding-left: var(--sp-10);
}
.fig-col:last-child { padding-right: 0; }
@media (max-width: 960px) {
    .fig-trio { grid-template-columns: 1fr; gap: var(--sp-12); }
    .fig-col, .fig-col + .fig-col {
        border-left: none;
        border-top: 1px solid var(--border-subtle);
        padding: var(--sp-8) 0 0;
    }
    .fig-col:first-child { border-top: none; padding-top: 0; }
}
.fig-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--text-3);
    text-transform: uppercase;
}
.fig-art {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: var(--sp-5) 0 var(--sp-7);
}
.fig-art svg {
    width: 100%;
    max-width: 260px;
    height: 205px;
    overflow: visible;
}
.fig-col h3 {
    font-size: 1.06rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: var(--sp-2);
}
.fig-col p {
    font-size: 0.89rem;
    color: var(--text-2);
    line-height: 1.6;
}

/* DIFFERENT BEAST: 24/7 AGENTIC ENGINEERING SHOWCASE */
.beast-layout {
    display: grid;
    grid-template-columns: minmax(340px, 0.92fr) minmax(440px, 1.08fr);
    gap: var(--sp-16);
    align-items: center;
}
@media (max-width: 1020px) {
    .beast-layout { grid-template-columns: 1fr; gap: var(--sp-10); }
}
.beast-contrast-rows {
    margin: var(--sp-8) 0;
    border-top: 1px solid var(--border-subtle);
}
.beast-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--sp-4);
    padding: var(--sp-3) 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.84rem;
}
.beast-row-key {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
    padding-top: var(--sp-0-5);
}
.beast-row-val { color: var(--text-2); }
.beast-row-val strong { color: var(--text); font-weight: 500; }

.ops-topology {
    position: relative;
    border-radius: 12px;
    background: radial-gradient(circle at 75% 20%, rgba(255,255,255,0.03), transparent 60%), #0b0c0f;
    border: 1px solid var(--border);
    padding: var(--sp-7) var(--sp-7);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.6);
}
.ops-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--sp-4);
    margin-bottom: var(--sp-5);
    border-bottom: 1px solid var(--border-subtle);
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
}
.ops-live-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    color: var(--text);
}
.ops-live-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
}
.ops-lanes {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}
.ops-lane {
    padding: var(--sp-4) var(--sp-5);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.018);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
}
.ops-lane.highlight {
    background: rgba(255, 255, 255, 0.035);
    border-color: var(--border-strong);
}
.ops-lane-title { font-size: 0.86rem; font-weight: 500; color: var(--text); margin-bottom: var(--sp-1); }
.ops-lane-sub { font-size: 0.76rem; color: var(--text-2); }
.ops-lane-pill {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-2);
    padding: var(--sp-1) var(--sp-2);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    white-space: nowrap;
}
.ops-connector {
    height: 16px;
    margin-left: var(--sp-6);
    border-left: 1px dashed rgba(255, 255, 255, 0.16);
}

/* THREEMA / TELEGRAM CLIENT + CHRONOGRAPH TAXI METER WORKSPACE */
.messenger-stage {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.85fr);
    gap: var(--sp-8);
    align-items: stretch;
}
@media (max-width: 1080px) {
    .messenger-stage { grid-template-columns: 1fr; }
}
.chat-app-window {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #0a0c0e;
    display: grid;
    grid-template-columns: 215px minmax(0, 1fr);
    overflow: hidden;
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.6);
    min-height: 540px;
}
@media (max-width: 740px) {
    .chat-app-window { grid-template-columns: 1fr; }
    .chat-sidebar { display: none; }
}
.chat-sidebar {
    background: #08090b;
    border-right: 1px solid var(--border-subtle);
    padding: var(--sp-4) var(--sp-3);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.client-switcher {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-0-5);
    padding: var(--sp-0-5);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: 7px;
    margin-bottom: var(--sp-5);
}
.client-switch-btn {
    background: transparent;
    border: none;
    color: var(--text-3);
    font-size: 0.75rem;
    font-weight: 500;
    padding: var(--sp-1-5) var(--sp-1-5);
    border-radius: 5px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s ease;
}
.client-switch-btn.active {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
}
.sidebar-group-lbl {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
    padding: 0 var(--sp-2);
    margin: var(--sp-2-5) 0 var(--sp-1-5);
    letter-spacing: 0.05em;
}
.sidebar-item {
    padding: var(--sp-2) var(--sp-2);
    border-radius: 6px;
    font-size: 0.78rem;
    color: var(--text-2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}
.sidebar-item:hover { background: rgba(255, 255, 255, 0.03); color: var(--text); }
.sidebar-item.active { background: rgba(255, 255, 255, 0.06); color: var(--text); font-weight: 500; }
.e2ee-dots {
    display: inline-flex;
    gap: var(--sp-0-5);
}
.e2ee-dots i {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-2);
    display: inline-block;
}
.sidebar-foot {
    padding: var(--sp-2-5) var(--sp-2) var(--sp-1);
    border-top: 1px solid var(--border-subtle);
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
    line-height: 1.5;
}

.chat-main {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: #0b0d10;
}
.chat-topbar {
    height: 46px;
    padding: 0 var(--sp-5);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
}
.chat-room-title { display: flex; align-items: center; gap: var(--sp-2); color: var(--text); font-weight: 500; }
.chat-room-sub {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
}
.chat-feed {
    padding: var(--sp-5) var(--sp-5);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    overflow-y: auto;
    max-height: 365px;
    flex: 1;
}
.c-event {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-0-5) 0;
}
.c-event::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--cyan);
}
.c-msg {
    padding: var(--sp-3) var(--sp-4);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.022);
    border: 1px solid var(--border-subtle);
}
.c-msg.avanti-reply {
    background: rgba(44, 166, 189, 0.045);
    border-color: rgba(44, 166, 189, 0.22);
}
.c-msg-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: var(--sp-1);
    font-size: 0.75rem;
}
.c-author { font-weight: 500; color: var(--text); }
.c-time { font-family: var(--mono); font-size: 0.75rem; color: var(--text-3); }
.c-body { font-size: 0.83rem; color: var(--text-2); line-height: 1.52; }
.c-body strong { color: var(--text); font-weight: 500; }
.c-diff {
    margin-top: var(--sp-2);
    padding: var(--sp-2) var(--sp-2-5);
    border-radius: 6px;
    background: #070809;
    border: 1px solid var(--border-subtle);
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-2);
    flex-wrap: wrap;
}
.diff-add { color: #39bfd8; }
.diff-del { color: #c96b59; }

.chat-composer-wrap {
    padding: var(--sp-3) var(--sp-4) var(--sp-4);
    border-top: 1px solid var(--border-subtle);
    background: #090b0d;
}
.quick-prompts {
    display: flex;
    gap: var(--sp-1-5);
    flex-wrap: wrap;
    margin-bottom: var(--sp-2);
}
.prompt-chip {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    color: var(--text-3);
    font-size: 0.75rem;
    padding: var(--sp-1) var(--sp-2);
    border-radius: 999px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s ease;
}
.prompt-chip:hover { color: var(--text); border-color: var(--border-strong); background: rgba(255, 255, 255, 0.06); }
.chat-composer {
    display: flex;
    gap: var(--sp-2);
}
.chat-composer input {
    flex: 1;
    height: 36px;
    background: #0e1115;
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 0 var(--sp-3);
    color: var(--text);
    font-size: 0.82rem;
    font-family: inherit;
    outline: none;
}
.chat-composer input:focus { border-color: var(--border-strong); }

/* CHRONOGRAPH TAXI METER PANEL */
.chronograph-panel {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #08090a;
    padding: var(--sp-6) var(--sp-6);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.65);
}
.chrono-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
}
.chrono-dial-wrap {
    position: relative;
    width: min(248px, 100%);
    aspect-ratio: 1;
    margin: var(--sp-2-5) auto;
    display: flex;
    align-items: center;
    justify-content: center;
}
.chrono-dial-wrap svg {
    width: 100%;
    height: 100%;
    display: block;
}
.chrono-center-readout {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    pointer-events: none;
}
.chrono-state {
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--text-3);
    margin-bottom: var(--sp-1);
}
.chrono-state.running { color: var(--cyan); }
.chrono-chf {
    font-size: 1.55rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--text);
    font-variant-numeric: tabular-nums;
    line-height: 1.05;
}
.chrono-elapsed {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-2);
    margin-top: var(--sp-1);
    font-variant-numeric: tabular-nums;
}
.rate-tier-box {
    padding: var(--sp-4) var(--sp-4);
    border-radius: 9px;
    background: #0c0e11;
    border: 1px solid var(--border);
}
.rate-cap-lbl {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
    letter-spacing: 0.04em;
    margin-bottom: var(--sp-1);
}
.rate-primary-line {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--sp-2);
    flex-wrap: wrap;
}
.rate-primary-line strong {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.025em;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}
.rate-primary-line span {
    font-size: 0.76rem;
    color: var(--text-2);
}
.rate-subtle-senior {
    margin-top: var(--sp-2);
    padding-top: var(--sp-2);
    border-top: 1px solid var(--border-subtle);
    font-size: 0.75rem;
    color: var(--text-3);
    line-height: 1.45;
    display: flex;
    justify-content: space-between;
    gap: var(--sp-2-5);
    flex-wrap: wrap;
}
.rate-subtle-senior b { color: var(--text-2); font-weight: 500; }
.pay-btns {
    display: flex;
    gap: var(--sp-1-5);
    margin-top: var(--sp-3);
    flex-wrap: wrap;
}
.pay-btn {
    height: 29px;
    padding: 0 var(--sp-2-5);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s ease;
}
.pay-btn.primary { background: var(--cta-bg); color: #08090a; border: 1px solid var(--cta-bg); }
.pay-btn.primary:hover { background: #ffffff; border-color: #ffffff; }
.pay-btn.secondary { background: transparent; color: var(--text-2); border: 1px solid var(--border); }
.pay-btn.secondary:hover { color: var(--text); border-color: var(--border-strong); background: rgba(255, 255, 255, 0.03); }
.waiting-indicator {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    margin-top: var(--sp-3);
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
}
.pulse-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-3); flex-shrink: 0; }

/* AVANTI ITL (IN-THE-LOOP) SDLC & PDLC REINVENTED */
.itl-pipeline {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--sp-10);
}
.itl-step {
    padding: var(--sp-6) var(--sp-5) var(--sp-6) 0;
}
.itl-step + .itl-step {
    border-left: 1px solid var(--border-subtle);
    padding-left: var(--sp-5);
}
@media (max-width: 1040px) {
    .itl-pipeline { grid-template-columns: 1fr; }
    .itl-step, .itl-step + .itl-step { border-left: none; border-bottom: 1px solid var(--border-subtle); padding: var(--sp-5) 0; }
    .itl-step:last-child { border-bottom: none; }
}
.itl-num {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-3);
    margin-bottom: var(--sp-2);
}
.itl-step h3 { font-size: 1.05rem; font-weight: 500; color: var(--text); margin-bottom: var(--sp-1-5); letter-spacing: -0.01em; }
.itl-step p { font-size: 0.84rem; color: var(--text-2); line-height: 1.52; }

.itl-tracks-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-12);
    align-items: start;
}
@media (max-width: 900px) {
    .itl-tracks-split { grid-template-columns: 1fr; gap: var(--sp-8); }
}
.itl-track-pane {
    padding-top: var(--sp-5);
    border-top: 1px solid var(--border-strong);
}
.itl-track-badge {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--cyan);
    margin-bottom: var(--sp-2);
    display: inline-block;
}
.itl-track-pane h3 { font-size: 1.12rem; font-weight: 500; color: var(--text); margin-bottom: var(--sp-2); letter-spacing: -0.02em; }
.itl-track-pane p { font-size: 0.88rem; color: var(--text-2); line-height: 1.62; margin-bottom: var(--sp-4); }

/* DE-BOXED CHANNELS & MONOCHROME SETTLEMENT MATRIX */
.channels-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}
.channel-item { padding: var(--sp-7) var(--sp-6) var(--sp-7) 0; }
.channel-item + .channel-item { border-left: 1px solid var(--border-subtle); padding-left: var(--sp-6); }
@media (max-width: 900px) {
    .channels-strip { grid-template-columns: repeat(2, 1fr); }
    .channel-item:nth-child(3) { border-left: none; padding-left: 0; }
    .channel-item:nth-child(n+3) { border-top: 1px solid var(--border-subtle); }
}
@media (max-width: 560px) {
    .channels-strip { grid-template-columns: 1fr; }
    .channel-item, .channel-item + .channel-item { border-left: none; padding-left: 0; border-top: 1px solid var(--border-subtle); }
}
.channel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-2); }
.channel-head h3 { font-size: 1.05rem; font-weight: 500; color: var(--text); display: inline-flex; align-items: center; gap: var(--sp-2); }
.channel-state { font-family: var(--mono); font-size: 0.75rem; color: var(--text-3); }
.handle-mono { font-family: var(--mono); font-size: 0.8rem; color: var(--text-2); margin-bottom: var(--sp-2); }
.channel-item p { font-size: 0.82rem; color: var(--text-2); line-height: 1.55; }

.rails-matrix {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--border-subtle);
}
.rail-cell {
    padding: var(--sp-6) var(--sp-6) var(--sp-6) 0;
    border-bottom: 1px solid var(--border-subtle);
}
.rail-cell:not(:nth-child(4n+1)) {
    border-left: 1px solid var(--border-subtle);
    padding-left: var(--sp-6);
}
@media (max-width: 960px) {
    .rails-matrix { grid-template-columns: repeat(2, 1fr); }
    .rail-cell:not(:nth-child(4n+1)) { border-left: none; padding-left: 0; }
    .rail-cell:nth-child(even) { border-left: 1px solid var(--border-subtle); padding-left: var(--sp-6); }
}
@media (max-width: 560px) {
    .rails-matrix { grid-template-columns: 1fr; }
    .rail-cell, .rail-cell:nth-child(even) { border-left: none; padding-left: 0; }
}
.rail-top { display: flex; align-items: center; gap: var(--sp-2); color: var(--text); font-size: 0.9rem; font-weight: 500; margin-bottom: var(--sp-1-5); }
.rail-top svg { color: var(--text-2); flex-shrink: 0; }
.rail-cell p { font-size: 0.81rem; color: var(--text-2); line-height: 1.55; }

/* PRICING */
.bento-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sp-0-5);
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}
@media (max-width: 1020px) { .bento-3 { grid-template-columns: 1fr; } }
.pricing-card {
    background: var(--bg);
    padding: var(--sp-8);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.pricing-card.featured { background: var(--surface); }
.tier-label { font-family: var(--mono); font-size: 0.75rem; color: var(--text-2); margin-bottom: var(--sp-5); }
.price { font-size: 2.25rem; font-weight: 500; letter-spacing: -0.035em; color: var(--text); line-height: 1.05; font-variant-numeric: tabular-nums; }
.price span { font-size: 0.88rem; font-weight: 400; color: var(--text-3); letter-spacing: 0; }
.price-note { font-size: 0.8rem; color: var(--text-3); margin-top: var(--sp-2); line-height: 1.45; }
.pricing-divider { height: 1px; background: var(--border-subtle); margin: var(--sp-6) 0; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: var(--sp-2-5); margin-bottom: var(--sp-8); }
.pricing-features li { display: flex; align-items: flex-start; gap: var(--sp-2-5); font-size: 0.84rem; color: var(--text-2); line-height: 1.45; }
.pricing-features li svg { color: var(--text-2); flex-shrink: 0; margin-top: var(--sp-0-5); }

/* FLOATING AVANTI ITL LOOP WIDGET */
.itl-launcher {
    position: fixed;
    right: 1.35rem;
    bottom: 1.35rem;
    z-index: 900;
    height: 40px;
    padding: 0 var(--sp-4);
    border-radius: 999px;
    background: #111418;
    border: 1px solid var(--border-strong);
    color: var(--text);
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    cursor: pointer;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.65);
    font-family: inherit;
    transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.itl-launcher:hover { transform: translateY(-1px); background: #161a20; border-color: rgba(255,255,255,0.28); }
.itl-launcher-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan);
}
.itl-drawer {
    position: fixed;
    right: 1.35rem;
    bottom: 4.35rem;
    width: 410px;
    max-width: calc(100vw - 2rem);
    z-index: 901;
    background: #0c0e12;
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.8);
    display: none;
    flex-direction: column;
    overflow: hidden;
}
.itl-drawer.open { display: flex; }
.itl-drawer-head {
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.02);
}
.itl-drawer-title { font-size: 0.82rem; font-weight: 500; color: var(--text); display: flex; align-items: center; gap: var(--sp-2); }
.itl-mode-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-1);
    padding: var(--sp-2) var(--sp-4);
    border-bottom: 1px solid var(--border-subtle);
    background: #090b0e;
}
.itl-mode-tab {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-3);
    font-size: 0.75rem;
    padding: var(--sp-1-5) var(--sp-2);
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
}
.itl-mode-tab.active {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border);
    color: var(--text);
}
.itl-drawer-body {
    padding: var(--sp-4) var(--sp-4);
    max-height: 350px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2-5);
    font-size: 0.79rem;
}
.itl-log-item {
    padding: var(--sp-2-5) var(--sp-3);
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--border-subtle);
    color: var(--text-2);
    line-height: 1.48;
}
.itl-log-item strong { color: var(--text); font-weight: 500; }
.itl-sandbox-box {
    padding: var(--sp-3) var(--sp-3);
    border-radius: 8px;
    background: rgba(44, 166, 189, 0.06);
    border: 1px solid rgba(44, 166, 189, 0.28);
    font-size: 0.76rem;
    color: var(--text-2);
}
.itl-sandbox-box.warn {
    background: rgba(212, 155, 84, 0.07);
    border-color: rgba(212, 155, 84, 0.32);
}
.itl-drawer-foot {
    padding: var(--sp-3) var(--sp-4);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    gap: var(--sp-2);
    background: #090b0e;
}
.itl-drawer-foot input {
    flex: 1;
    height: 33px;
    background: #111419;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0 var(--sp-2-5);
    color: var(--text);
    font-size: 0.78rem;
    font-family: inherit;
    outline: none;
}

/* STATUS PILLS & MODALS */
.status-pill { display: inline-flex; align-items: center; gap: var(--sp-2); font-size: 0.76rem; font-weight: 500; }
.status-pill .dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.status-pill.status-success { color: var(--text); }
.status-pill.status-success .dot { background: var(--ok); }
.status-pill.status-error { color: #e06c60; }
.status-pill.status-error .dot { background: #e06c60; }
.status-pill.status-idle { color: var(--text-2); }
.status-pill.status-idle .dot { background: var(--text-3); }

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-3);
    padding: var(--sp-1);
    border-radius: 4px;
}
.modal-close-btn:hover { color: var(--text); }

footer { border-top: 1px solid var(--border-subtle); padding: var(--sp-10) 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-6); flex-wrap: wrap; }
.footer-brand { font-size: 0.82rem; color: var(--text-3); }
.footer-brand strong { color: var(--text); font-weight: 600; letter-spacing: -0.02em; }
.footer-links { display: flex; gap: var(--sp-7); flex-wrap: wrap; }
.footer-links a { font-size: 0.8rem; color: var(--text-3); text-decoration: none; transition: color 0.15s; }
.footer-links a:hover { color: var(--text-2); }

@media (max-width: 780px) {
    .nav-links { display: none; }
    .container, .nav-inner { padding: 0 var(--sp-5); }
    .linear-hero { padding: var(--sp-14) 0 var(--sp-12); }
    .telemetry-kpis { grid-template-columns: 1fr; gap: var(--sp-3); }
}

/* =====================================================================
   LAYOUT HARDENING (UI/UX QA protocol: no box escape, breathing room)
   ===================================================================== */
p, li, .c-body, .track-desc, .beast-row-val, .ops-lane-sub, .ops-lane-title,
.handle-mono, .itl-log-item, .itl-sandbox-box, .kpi-lbl, .price-note {
    overflow-wrap: anywhere;
    hyphens: auto;
}
p, li { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; overflow-wrap: break-word; }
code { overflow-wrap: anywhere; }
.c-msg-head { font-size: 0.78rem; gap: var(--sp-2); flex-wrap: wrap; }

.stage-grid > *, .beast-layout > *, .messenger-stage > *, .chat-app-window > *,
.itl-tracks-split > *, .bento-3 > *, .fig-trio > *, .ops-lane > div, .track-top > *,
.telemetry-head > *, .chat-topbar > *, .rate-primary-line > *, .rail-top span,
.channel-head > *, .footer-inner > *, .hero-header, .section-header, .chat-main, .chat-feed > * {
    min-width: 0;
}

/* Boxes that hold text grow with their text instead of using fixed heights */
.btn { height: auto; min-height: 36px; padding-block: var(--sp-2); text-align: center; line-height: 1.25; }
.btn-lg { min-height: 40px; }
.btn-block { width: 100%; }
.stage-topbar { flex-wrap: wrap; gap: var(--sp-2); }
.track-bar { flex-wrap: wrap; gap: var(--sp-1) var(--sp-3); }
.chat-topbar { height: auto; min-height: 46px; padding-block: var(--sp-2); flex-wrap: wrap; gap: var(--sp-2); }
.pay-btn { height: auto; min-height: 32px; padding-block: var(--sp-1); }
.chat-composer input, .itl-drawer-foot input { height: auto; min-height: 40px; }
.itl-drawer-foot .btn { min-height: 40px; }
.ops-lane-pill { white-space: normal; text-align: center; }
.roadmap-cal-head > div { overflow-wrap: anywhere; }

/* Desktop target sizes (>= 24px) */
.prompt-chip { min-height: 28px; }
.stage-reset-btn { min-height: 24px; }
.client-switch-btn { min-height: 28px; }
.itl-mode-tab { min-height: 32px; }
.nav-links a, .footer-links a { display: inline-flex; align-items: center; min-height: 32px; }
.modal-close-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 32px; min-height: 32px; }
.modal-close-btn--inline { position: static; }

/* Focus visibility for every interactive element */
a:focus-visible, button:focus-visible, input:focus-visible, [role="button"]:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    left: var(--sp-4);
    top: calc(-1 * var(--sp-16));
    z-index: 2000;
    padding: var(--sp-2) var(--sp-4);
    background: var(--cta-bg);
    color: #08090a;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.875rem;
}
.skip-link:focus { top: var(--sp-2); }

/* Headings converted for a valid outline */
.itl-pipeline { list-style: none; }

/* Former inline styles */
.legend-dot--team { background: var(--cyan); }
.legend-dot--avanti { background: var(--coral); }
.chrono-rotor { transform-origin: 130px 130px; }
.sidebar-item {
    width: 100%;
    gap: var(--sp-2);
    border: none;
    background: transparent;
    font-family: inherit;
    text-align: left;
}
.sidebar-meta { font-family: var(--mono); font-size: 0.75rem; color: var(--text-3); }
.sidebar-meta--live { color: var(--cyan); }
.chat-client-badge {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-2);
    padding: var(--sp-0-5) var(--sp-2);
    border: 1px solid var(--border);
    border-radius: 4px;
}
.nav-brand .brand-sub, .footer-brand .brand-sub { color: var(--text-2); font-weight: 400; }

/* Honest demo labelling */
.demo-note {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--sp-2);
    max-width: 80ch;
    margin-bottom: var(--sp-6);
    font-size: 0.875rem;
    color: var(--text-2);
}
.demo-tag {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--warn);
    border: 1px solid rgba(212, 155, 84, 0.4);
    border-radius: 4px;
    padding: var(--sp-0-5) var(--sp-2);
}
.rail-state {
    margin-left: auto;
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-3);
    white-space: nowrap;
}

/* Payment result banner (driven by a server-side session lookup) */
.payment-banner {
    margin-bottom: var(--sp-5);
    padding: var(--sp-3) var(--sp-4);
    border-radius: 8px;
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    font-size: 0.9rem;
    color: var(--text);
}
.payment-banner.is-success { border-color: rgba(44, 166, 189, 0.5); }
.payment-banner.is-error { border-color: rgba(212, 155, 84, 0.5); }

/* Pricing */
.sub-actions { display: flex; flex-direction: column; gap: var(--sp-2); }
.sub-status { min-height: 1.2em; font-size: 0.8rem; color: var(--text-2); }
.pricing-footnote { margin-top: var(--sp-5); font-size: 0.84rem; color: var(--text-2); max-width: 80ch; }

/* Modals (one accessible implementation for every payment dialog) */
.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-4);
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(10px);
}
.modal-backdrop[hidden] { display: none; }
.modal {
    position: relative;
    width: 100%;
    max-width: 440px;
    max-height: calc(100vh - var(--sp-8));
    overflow: auto;
    padding: var(--sp-8) var(--sp-6);
    border-radius: 12px;
    border: 1px solid var(--border-strong);
    background: #0e1012;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
    text-align: center;
}
.modal .modal-close-btn { top: var(--sp-3); right: var(--sp-3); }
.modal-eyebrow { font-family: var(--mono); font-size: 0.75rem; color: var(--text-2); margin-bottom: var(--sp-2); }
.modal h2 { font-size: 1.15rem; font-weight: 500; color: var(--text); margin-bottom: var(--sp-2); padding-inline: var(--sp-8); }
.modal p { font-size: 0.875rem; color: var(--text-2); margin-bottom: var(--sp-4); line-height: 1.55; }
.modal-field {
    margin-bottom: var(--sp-5);
    padding: var(--sp-4);
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #141619;
    text-align: left;
}
.modal-field-label { font-family: var(--mono); font-size: 0.75rem; color: var(--text-3); margin-bottom: var(--sp-1-5); }
.address-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-3);
    border-radius: 6px;
    border: 1px solid var(--border);
    background: #08090a;
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--text);
}
.address-row span { min-width: 0; overflow-wrap: anywhere; }
.address-row button { flex-shrink: 0; }
.modal-amount { font-size: 1.6rem; font-weight: 600; color: var(--text); margin-bottom: var(--sp-4); font-variant-numeric: tabular-nums; }
.modal-actions { display: flex; flex-direction: column; gap: var(--sp-2); }

/* ITL launcher only appears after the hero, so it never covers the headline */
.itl-launcher { visibility: hidden; opacity: 0; transform: translateY(var(--sp-2)); transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s; }
.itl-launcher.is-visible { visibility: visible; opacity: 1; transform: none; }

/* Small screens */
@media (max-width: 780px) {
    .btn, .pay-btn, .prompt-chip, .client-switch-btn, .itl-mode-tab, .sidebar-item,
    .stage-reset-btn, .itl-launcher, .chat-composer input, .itl-drawer-foot input, .itl-drawer-foot .btn {
        min-height: 44px;
    }
    .modal-close-btn { min-width: 44px; min-height: 44px; }
    .nav-links a, .footer-links a, .nav-brand { min-height: 44px; display: inline-flex; align-items: center; }
    .roadmap-cal-head > div, .scatter-months > div { min-height: 24px; }
    footer { padding-bottom: var(--sp-20); }
}
@media (max-width: 560px) {
    .nav-quote { display: none; }
    .beast-row { grid-template-columns: 1fr; gap: var(--sp-1); }
    .ops-lane { flex-wrap: wrap; }
    .stage-topbar .stage-crumbs:last-child { display: none; }
    .roadmap-pane, .telemetry-pane { padding-inline: var(--sp-4); }
    .chronograph-panel { padding-inline: var(--sp-4); }
    .pricing-card { padding: var(--sp-6) var(--sp-5); }
    .itl-drawer { right: var(--sp-3); left: var(--sp-3); width: auto; max-width: none; }
    .itl-launcher { right: var(--sp-3); bottom: var(--sp-3); }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* QA round 2 */
.chat-composer input, .itl-drawer-foot input { min-width: 0; }
.rail-top { flex-wrap: wrap; row-gap: var(--sp-1); }
.skip-link { min-height: 44px; display: inline-flex; align-items: center; }
.itl-sandbox-box .modal-actions { margin-top: var(--sp-2); }
.chrono-state { letter-spacing: 0.06em; }
.track-tag { white-space: nowrap; flex-shrink: 0; }
@media (max-width: 560px) {
    .roadmap-cal-head { display: none; }
    .hero-eyebrow { border-radius: 12px; }
}
.telemetry-title { font-size: 1.125rem; }