/* =========================================================
   RASH 2026 — Sprint Document
   Investor-grade, light, restrained. Two colors only.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    /* Surfaces — cool off-white */
    --bg:            #f5f6f8;
    --surface:       #fafbfc;
    --surface-soft:  #eef0f3;
    --surface-mute:  #e8eaee;

    /* Text — warm graphite */
    --text:          #2e3a4a;
    --text-soft:     #52596a;
    --text-mute:     #8a9099;
    --text-dim:      #b0b8c2;

    /* Borders */
    --border:        #dde1e8;
    --border-soft:   #e6e9ee;
    --border-strong: #c8cdd8;

    /* Accent — one ink color for all interactive/role elements */
    --ink:           #2e3f5c;
    --ink-soft:      #eaecf2;
    --ink-line:      #c4cad8;

    /* Signal — only for badges text */
    --signal:        #6b3030;
    --signal-soft:   var(--surface);
    --signal-line:   var(--border);

    /* Type scale (fluid) */
    --fs-h1:   clamp(2.1rem, 1.5rem + 2.8vw, 3.1rem);
    --fs-h2:   clamp(1.6rem, 1.2rem + 1.8vw, 2.3rem);
    --fs-h3:   clamp(1.2rem, 1.05rem + 0.7vw, 1.5rem);
    --fs-lead: clamp(1.2rem, 1.05rem + 0.7vw, 1.45rem);
    --fs-body: clamp(1.025rem, 0.96rem + 0.3vw, 1.125rem);
    --fs-small: 0.9375rem;
    --fs-mono:  0.8rem;

    /* Layout rhythm */
    --space-xs: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
    --space-sm: clamp(0.75rem, 0.6rem + 0.75vw, 1rem);
    --space-md: clamp(1rem, 0.8rem + 1vw, 1.5rem);
    --space-lg: clamp(1.5rem, 1.1rem + 2vw, 2.5rem);
    --space-xl: clamp(2.5rem, 1.5rem + 5vw, 5rem);

    /* Shape */
    --radius-sm: 4px;
    --radius:    6px;
    --radius-lg: 10px;

    /* Shadow */
    --shadow-sm: 0 1px 3px rgba(40,35,28,0.05);
    --shadow:    0 2px 6px rgba(40,35,28,0.06), 0 1px 2px rgba(40,35,28,0.03);
}

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

html {
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
}

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    font-size: var(--fs-body);
    line-height: 1.65;
    margin: 0;
    -webkit-tap-highlight-color: transparent;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
::selection { background: var(--ink); color: var(--surface); }

/* ---------- Typography helpers ---------- */
.mono {
    font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    font-feature-settings: "tnum" 1, "ss01" 1;
}

/* ---------- Layout container ---------- */
.container-doc {
    max-width: 72rem;
    margin: 0 auto;
    padding-inline: clamp(1rem, 0.5rem + 2.5vw, 2.5rem);
    padding-block: clamp(2rem, 1rem + 4vw, 5rem);
}

/* ---------- Section spacing ---------- */
.section { margin-bottom: clamp(3rem, 2rem + 5vw, 7rem); }
.section-tight { margin-bottom: clamp(2rem, 1.2rem + 3vw, 4rem); }

/* ---------- Hero ---------- */
.hero {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--space-lg);
}
@media (min-width: 768px) {
    .hero { flex-direction: row; justify-content: space-between; align-items: flex-start; }
}

.hero-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-mute);
    margin-bottom: 0.75rem;
}

.hero-title {
    font-size: var(--fs-h1);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin: 0 0 0.5rem;
    color: var(--text);
}

.hero-sub {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-mute);
}

.hero-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ---------- Tags / pills — all use ink ---------- */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.65rem;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-soft);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-sm);
    line-height: 1;
}
.tag-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--ink);
    flex: none;
}
/* All semantic tags collapse to ink */
.tag-amber,
.tag-emerald {
    color: var(--ink);
    border-color: var(--ink-line);
    background: var(--ink-soft);
}

/* ---------- Quick nav ---------- */
.quicknav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.5rem;
    margin-bottom: var(--space-xl);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-mute);
}
.quicknav a { text-decoration: none; transition: color 120ms ease; padding-block: 0.25rem; }
.quicknav a:hover { color: var(--text); }

/* ---------- Section header ---------- */
.section-head { margin-bottom: var(--space-lg); }
.section-eyebrow {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.section-eyebrow > span:first-child {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--text-mute);
}
.section-eyebrow .rule { flex: 1; height: 1px; background: var(--border); }

.section-title {
    font-size: var(--fs-h2);
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.2;
    margin: 0;
    color: var(--text);
}

.section-lead {
    color: var(--text-soft);
    margin: 0.75rem 0 0;
    max-width: 44rem;
    font-size: var(--fs-body);
    line-height: 1.65;
}

/* ---------- Manifesto ---------- */
.manifesto {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(1.5rem, 1rem + 2vw, 2.75rem);
}
.manifesto-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--text-mute);
    margin-bottom: 1.25rem;
}
.manifesto-text {
    font-size: var(--fs-lead);
    line-height: 1.65;
    color: var(--text-soft);
    margin: 0;
    max-width: 50rem;
    font-weight: 400;
}
.manifesto-text strong { color: var(--text); font-weight: 600; }
/* Both accents use ink — no rainbow */
.manifesto-text .accent-red    { color: var(--signal); font-weight: 500; }
.manifesto-text .accent-emerald { color: var(--ink); font-weight: 600; }

/* ---------- Card grids ---------- */
.cards-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.875rem;
}
@media (min-width: 640px) { .cards-2 { grid-template-columns: repeat(2, 1fr); gap: 1rem; } }

.cards-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.875rem;
}
@media (min-width: 640px) { .cards-3 { grid-template-columns: repeat(2, 1fr); gap: 1rem; } }
@media (min-width: 960px) { .cards-3 { grid-template-columns: repeat(3, 1fr); } }

.cards-auto {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.875rem;
}
@media (min-width: 560px) { .cards-auto { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; } }
@media (min-width: 960px) { .cards-auto { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* ---------- Card primitives ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(1.1rem, 0.8rem + 1vw, 1.6rem);
    transition: border-color 150ms ease, box-shadow 150ms ease;
}
.card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }

.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.9rem;
    gap: 0.5rem;
}

.card-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-mute);
}

.card-title {
    font-size: var(--fs-h3);
    font-weight: 600;
    margin: 0 0 0.65rem;
    line-height: 1.3;
    color: var(--text);
    letter-spacing: -0.01em;
}

.card-body {
    font-size: var(--fs-body);
    color: var(--text-soft);
    line-height: 1.65;
    margin: 0 0 1rem;
}

.card-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    color: var(--text-mute);
    letter-spacing: 0.02em;
}

/* ---------- Status dots — all ink ---------- */
.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex: none;
    background: var(--ink);
}
/* Keep named classes but all resolve to ink */
.dot-blue    { background: var(--ink); }
.dot-emerald { background: var(--ink); opacity: 0.7; }
.dot-amber   { background: var(--ink); opacity: 0.45; }
.dot-neutral { background: var(--text-mute); }

/* ---------- Leak / Point card — same as card, subtle left mark ---------- */
.point-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(1.1rem, 0.8rem + 1vw, 1.6rem);
    border-left: 3px solid var(--border-strong);
    transition: border-color 150ms ease, box-shadow 150ms ease;
}
.point-card:hover { border-color: var(--border-strong); border-left-color: var(--text-mute); box-shadow: var(--shadow-sm); }

.point-badge {
    display: inline-block;
    padding: 0.25rem 0.55rem;
    border: 1px solid var(--border);
    background: var(--surface-soft);
    color: var(--text-mute);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-sm);
    line-height: 1;
}

/* ---------- Roles — ink only ---------- */
.role-eyebrow-blue    { color: var(--ink); }
.role-eyebrow-emerald { color: var(--ink); opacity: 0.75; }
.role-eyebrow-amber   { color: var(--ink); opacity: 0.55; }

.role-title { font-size: var(--fs-h3); font-weight: 700; margin: 0 0 0.2rem; letter-spacing: -0.01em; }
.role-sub {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-mute);
    margin-bottom: 1.25rem;
}

.role-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    font-size: var(--fs-body);
    color: var(--text-soft);
    line-height: 1.6;
}
.role-list li { display: flex; gap: 0.65rem; align-items: flex-start; }
.role-list li::before {
    content: "→";
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-dim);
    flex: none;
    margin-top: 0.1em;
}

/* ---------- Timeline ---------- */
.timeline { position: relative; }
.timeline::before {
    content: '';
    position: absolute;
    left: 17px;
    top: 38px;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, var(--border) 0%, var(--border) 70%, transparent 100%);
}
@media (min-width: 768px) { .timeline::before { left: 21px; } }

.phase {
    position: relative;
    padding-left: 3rem;
    margin-bottom: clamp(3rem, 2rem + 4vw, 6rem);
}
@media (min-width: 768px) { .phase { padding-left: 4rem; } }

.phase-num {
    position: absolute;
    left: 0;
    top: 0;
    width: 36px;
    height: 36px;
    background: var(--ink);
    color: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9rem;
    z-index: 2;
}
@media (min-width: 768px) { .phase-num { width: 44px; height: 44px; font-size: 1rem; } }

.phase-head { margin-bottom: var(--space-md); }
.phase-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

/* Phase eyebrows — all ink, different opacity for visual rhythm */
.phase-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 600;
    color: var(--ink);
}
.phase-eyebrow.tone-blue    { color: var(--ink); }
.phase-eyebrow.tone-emerald { color: var(--ink); }
.phase-eyebrow.tone-amber   { color: var(--ink); }

.phase-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    color: var(--text-mute);
    padding: 0.2rem 0.55rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    line-height: 1.2;
}

.phase-title {
    font-size: var(--fs-h2);
    font-weight: 700;
    letter-spacing: -0.015em;
    margin: 0 0 0.65rem;
    line-height: 1.2;
    color: var(--text);
}

.phase-lead {
    color: var(--text-soft);
    margin: 0;
    max-width: 44rem;
    font-size: var(--fs-body);
    line-height: 1.65;
}

.phase-shift {
    border-left: 2px solid var(--border);
    padding: 0.6rem 0 0.6rem 1.25rem;
    margin-bottom: 1.25rem;
}
.phase-shift-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-mute);
    margin-bottom: 0.4rem;
    display: block;
}
.phase-shift-text {
    font-size: var(--fs-lead);
    color: var(--text);
    margin: 0;
    font-weight: 500;
    line-height: 1.45;
}

/* ---------- Checkpoint — ink only ---------- */
.checkpoint {
    border-left: 2px solid var(--ink-line);
    background: var(--ink-soft);
    padding: 0.9rem 1.2rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-top: 1rem;
}
.checkpoint-final {
    border-left-color: var(--ink);
    background: var(--ink-soft);
}
.checkpoint-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--ink-line);
    background: var(--surface);
    color: var(--ink);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-sm);
    line-height: 1;
    margin-bottom: 0.65rem;
}
.checkpoint-final .checkpoint-tag {
    border-color: var(--ink);
    color: var(--ink);
    font-weight: 600;
}
.checkpoint-text {
    margin: 0;
    color: var(--text);
    font-size: var(--fs-body);
    line-height: 1.65;
}

/* ---------- Coach block ---------- */
.coach {
    margin-top: var(--space-xl);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(1.5rem, 1rem + 2vw, 2.75rem);
    display: grid;
    gap: var(--space-md);
}
@media (min-width: 768px) { .coach { grid-template-columns: auto 1fr; align-items: flex-start; } }

.coach-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border);
    background: var(--surface-soft);
    color: var(--text-soft);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    border-radius: var(--radius-sm);
    width: fit-content;
    line-height: 1;
}

.coach-title { font-size: var(--fs-h3); font-weight: 700; margin: 0 0 1.1rem; color: var(--text); }

.coach-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.1rem;
}
@media (min-width: 640px) { .coach-grid { grid-template-columns: repeat(3, 1fr); } }

.coach-slot { border-left: 1px solid var(--border); padding-left: 1rem; }
.coach-slot-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-mute);
    margin-bottom: 0.4rem;
    display: block;
}
.coach-slot-text { margin: 0; color: var(--text-soft); font-size: var(--fs-small); line-height: 1.65; }

/* ---------- Metrics ---------- */
.metrics {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.metrics-eyebrow {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--space-md);
}
.metrics-eyebrow > span:first-child {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--text-mute);
}
.metrics-eyebrow .rule { flex: 1; height: 1px; background: var(--border); }

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(1.25rem, 0.75rem + 1.5vw, 2.25rem);
}
@media (min-width: 768px) { .metrics-grid { grid-template-columns: repeat(4, 1fr); } }

.metric-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-mute);
    display: block;
    margin-bottom: 0.45rem;
}
.metric-value {
    font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--text);
    display: block;
}
.metric-foot {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    color: var(--text-dim);
    display: block;
    margin-top: 0.35rem;
}

/* ---------- Approval ---------- */
.approvals {
    margin-top: var(--space-xl);
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.875rem;
}
@media (min-width: 640px) { .approvals { grid-template-columns: repeat(3, 1fr); gap: 1rem; } }

.approval {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem 1.25rem;
    background: var(--surface);
}
.approval-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-mute);
    margin-bottom: 0.4rem;
    display: block;
}
.approval-name { color: var(--text); font-weight: 500; font-size: var(--fs-body); }
.approval-line {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    color: var(--text-dim);
    margin-top: 0.75rem;
    letter-spacing: 0.1em;
}

/* ---------- Footer ---------- */
.foot {
    margin-top: var(--space-xl);
    text-align: center;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-mono);
    text-transform: uppercase;
    letter-spacing: 0.22em;
}

/* ---------- Print ---------- */
@media print {
    :root { --bg: #fff; --surface: #fff; }
    body { background: #fff; }
    .quicknav, .approvals { display: none; }
    .card, .point-card, .coach, .approval { break-inside: avoid; }
    .phase { break-inside: avoid; }
}

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