/* Copyright Data Ideation LLC. All rights reserved. */
/* Graphmantix Divestiture Agent — v3 single-solution site.
   Light "diligence document" theme: cool paper, navy ink, teal/gold accents,
   mono annotation layer. Sections read as numbered exhibits. */

:root {
    --paper: #F7F9FB;
    --paper-deep: #EEF2F6;
    --ink: #0B1D33;
    --slate: #46586E;
    --muted: #7C8BA0;
    --rule: #D8DFE7;
    --rule-strong: #C2CCD8;
    --teal: #0E8C80;
    --teal-soft: rgba(14, 140, 128, 0.10);
    --gold: #B26D05;
    --gold-bright: #F59E0B;
    --gold-soft: rgba(197, 122, 10, 0.10);
    --navy-band: #0A1428;
    --navy-elev: #101E38;
    --navy-border: rgba(255, 255, 255, 0.10);
    --navy-text: #F5F7FA;
    --navy-text-2: #B8C2D1;
    --radius-sm: 6px;
    --radius-md: 12px;
    --shadow-card: 0 1px 2px rgba(11, 29, 51, 0.05), 0 8px 28px rgba(11, 29, 51, 0.07);
    --font-display: 'Newsreader', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: 'IBM Plex Mono', 'Menlo', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

::selection { background: var(--teal-soft); }

/* ---------- Type ---------- */

h1, h2 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
h3 { font-size: 1.15rem; font-weight: 650; letter-spacing: -0.01em; }

.lede {
    font-size: 1.11rem;
    color: var(--slate);
    line-height: 1.7;
    max-width: 56ch;
}

/* Mono annotation layer — exhibit labels, figures, counters */
.exhibit {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--teal);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.1rem;
}
.exhibit::after { content: ""; height: 1px; width: 56px; background: var(--rule-strong); }
.exhibit.on-navy { color: #2DD4BF; }
.exhibit.on-navy::after { background: var(--navy-border); }

.fig-caption {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    color: var(--muted);
    text-transform: uppercase;
}

/* ---------- Nav ---------- */

.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(247, 249, 251, 0.88);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s ease;
}
.nav.scrolled { border-bottom-color: var(--rule); }

.nav-container {
    max-width: 1120px; margin: 0 auto; padding: 0 24px;
    height: 68px;
    display: flex; align-items: center; gap: 2rem;
}

.brand {
    display: flex; align-items: center; gap: 0.6rem;
    font-weight: 700; font-size: 1.05rem; color: var(--ink);
    text-decoration: none; letter-spacing: -0.01em;
    margin-right: auto;
}
.brand .agent-tag {
    font-family: var(--font-mono); font-weight: 500;
    font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--teal);
    border: 1px solid var(--rule-strong);
    border-radius: 999px; padding: 0.2rem 0.6rem;
    margin-left: 0.35rem;
}

.nav-links { display: flex; align-items: center; gap: 1.75rem; list-style: none; }
.nav-links a {
    color: var(--slate); text-decoration: none;
    font-size: 0.92rem; font-weight: 500;
    transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--ink); }

.mobile-menu { display: none; background: none; border: none; font-size: 1.5rem; color: var(--ink); cursor: pointer; }

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.78rem 1.5rem;
    border-radius: 999px;
    font-family: var(--font-body);
    font-size: 0.95rem; font-weight: 600;
    text-decoration: none; cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn .arrow { transition: transform 0.15s ease; }
.btn:hover .arrow { transform: translateX(3px); }

.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #16304F; box-shadow: 0 6px 20px rgba(11, 29, 51, 0.22); }

.btn-secondary { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn-secondary:hover { border-color: var(--ink); }

.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 2px;
}

/* ---------- Sections ---------- */

.section { padding: 6.5rem 0; }
.section.deep { background: var(--paper-deep); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.section.navy { background: var(--navy-band); color: var(--navy-text); border: none; }
.section-head { max-width: 720px; margin-bottom: 3rem; }
.section-head .lede { margin-top: 1rem; }
.section.navy .lede { color: var(--navy-text-2); }

/* ---------- Hero ---------- */

.hero {
    padding: 10.5rem 0 5.5rem;
    position: relative;
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
    gap: 4rem;
    align-items: center;
}
.hero h1 { margin: 0.9rem 0 1.4rem; }
.hero h1 em { font-style: italic; color: var(--teal); }
.hero-ctas { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-top: 2rem; }

.hero-kicker {
    font-family: var(--font-mono);
    font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--gold);
}

/* ---------- Boundary diagram (signature) ---------- */

.boundary-fig {
    background: #FDFEFE;
    border: 1px solid var(--rule);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 1.4rem 1.4rem 1.1rem;
}
.boundary-fig svg { width: 100%; height: auto; display: block; }

.fig-head {
    display: flex; flex-direction: column; align-items: flex-start;
    gap: 0.55rem;
    margin-bottom: 0.9rem;
}
.scope-chip {
    white-space: nowrap;
    font-family: var(--font-mono);
    font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--ink);
    background: var(--gold-soft);
    border: 1px solid rgba(178, 109, 5, 0.35);
    border-radius: 999px;
    padding: 0.25rem 0.7rem;
    transition: opacity 0.3s ease;
}

/* SVG internals */
.b-node { fill: #FFFFFF; stroke: var(--rule-strong); stroke-width: 1.5; transition: stroke 0.5s ease, fill 0.5s ease; }
.b-node.keep-side { stroke: var(--teal); }
.b-node.divest-side { stroke: var(--gold-bright); fill: #FFF9EE; }
.b-label { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.04em; fill: var(--slate); }
.b-side-label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em; font-weight: 600; }
.b-edge { stroke: var(--rule-strong); stroke-width: 1.2; fill: none; transition: stroke 0.5s ease, stroke-width 0.5s ease; }
.b-edge.crossing { stroke: var(--gold-bright); stroke-width: 1.8; }
.b-boundary { stroke: var(--ink); stroke-width: 1.4; stroke-dasharray: 6 5; }
.b-mover { transition: transform 0.9s cubic-bezier(0.5, 0, 0.2, 1); }
.b-mover.moved { transform: translateX(-90px); }

.fig-counters {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    border-top: 1px solid var(--rule);
    margin-top: 1.1rem; padding-top: 0.9rem;
}
.fig-counter { text-align: left; }
.fig-counter .val {
    font-family: var(--font-mono);
    font-size: 1.15rem; font-weight: 600; color: var(--ink);
    font-variant-numeric: tabular-nums;
}
.fig-counter .val.hot { color: var(--gold); }
.fig-counter .key {
    font-family: var(--font-mono);
    font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--muted);
    margin-top: 0.1rem;
}

/* ---------- Pillars ---------- */

.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.pillar {
    background: #FDFEFE;
    border: 1px solid var(--rule);
    border-top: 3px solid var(--rule-strong);
    border-radius: var(--radius-sm);
    padding: 1.8rem 1.6rem;
    box-shadow: var(--shadow-card);
}
.pillar.faster { border-top-color: var(--gold-bright); }
.pillar.agile { border-top-color: var(--teal); }
.pillar.safer { border-top-color: #34D399; }

.pillar-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
    margin-bottom: 0.4rem;
}
.pillar.faster .pillar-tag { color: var(--gold); }
.pillar.agile .pillar-tag { color: var(--teal); }
.pillar.safer .pillar-tag { color: #0E8C50; }

.pillar h3 { margin-bottom: 1rem; }

.pillar ul { list-style: none; }
.pillar li {
    padding: 0.55rem 0 0.55rem 1.4rem;
    position: relative;
    color: var(--slate);
    font-size: 0.95rem;
    border-top: 1px solid var(--rule);
}
.pillar li:first-child { border-top: none; }
.pillar li::before {
    content: "—";
    position: absolute; left: 0;
    color: var(--muted);
    font-family: var(--font-mono);
}

/* ---------- BIA navy spotlight ---------- */

.bia-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 4rem;
    align-items: center;
}
.bia-grid h2 em { font-style: italic; color: #2DD4BF; }

.bia-steps { list-style: none; margin-top: 2rem; }
.bia-steps li {
    display: flex; gap: 1.1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--navy-border);
    color: var(--navy-text-2);
    font-size: 0.98rem;
}
.bia-steps .step-k {
    font-family: var(--font-mono);
    font-size: 0.72rem; letter-spacing: 0.1em;
    color: #2DD4BF;
    padding-top: 0.25rem;
    flex: 0 0 3.2rem;
}
.bia-steps strong { color: var(--navy-text); font-weight: 600; }

.bia-panel {
    background: var(--navy-elev);
    border: 1px solid var(--navy-border);
    border-radius: var(--radius-md);
    padding: 1.6rem;
}
.bia-panel .panel-title {
    font-family: var(--font-mono);
    font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--navy-text-2);
    margin-bottom: 1.2rem;
    display: flex; justify-content: space-between;
}
.bia-panel .live-dot { color: #2DD4BF; }

.impact-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.72rem 0;
    border-top: 1px solid var(--navy-border);
    font-size: 0.92rem;
}
.impact-row .dim { color: var(--navy-text-2); }
.impact-row .count {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    color: var(--navy-text);
    font-weight: 600;
}
.impact-row .delta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--gold-bright);
    margin-left: 0.6rem;
}

/* ---------- Deal structure compare ---------- */

.structure-compare {
    display: grid;
    grid-template-columns: 200px 1fr 1fr;
    border: 1px solid var(--rule);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #FDFEFE;
    box-shadow: var(--shadow-card);
}
.sc-cell {
    padding: 1.05rem 1.3rem;
    font-size: 0.93rem;
    border-top: 1px solid var(--rule);
    color: var(--slate);
}
.sc-cell.head {
    border-top: none;
    background: var(--paper-deep);
    font-family: var(--font-mono);
    font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--ink);
}
.sc-cell.rowkey {
    font-weight: 600; color: var(--ink); font-size: 0.88rem;
    background: rgba(238, 242, 246, 0.5);
}
.sc-cell.head.asset { color: var(--teal); }
.sc-cell.head.share { color: var(--gold); }

.structure-foot { margin-top: 1.5rem; max-width: 64ch; color: var(--slate); font-size: 0.95rem; }

/* ---------- Value-leak timeline ---------- */

.timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
    margin-top: 3.4rem;
}
.timeline::before {
    content: "";
    position: absolute; top: 5px; left: 2%; right: 2%;
    height: 1.5px;
    background: var(--rule-strong);
}
.tl-stop { padding: 0 1.4rem 0 0; position: relative; }
.tl-stop::before {
    content: "";
    display: block;
    width: 11px; height: 11px;
    border-radius: 50%;
    background: var(--paper);
    border: 2.5px solid var(--gold-bright);
    margin-bottom: 1.1rem;
    position: relative; z-index: 1;
}
.tl-stop .tl-phase {
    font-family: var(--font-mono);
    font-size: 0.68rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.5rem;
}
.tl-stop h3 { font-size: 1.02rem; margin-bottom: 0.5rem; }
.tl-stop p { font-size: 0.9rem; color: var(--slate); }
.tl-stop .fix {
    margin-top: 0.8rem;
    font-size: 0.87rem;
    color: var(--teal);
    font-weight: 550;
}
.tl-stop .fix::before { content: "→ "; font-family: var(--font-mono); }

/* ---------- Stakeholders ---------- */

.persona-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.persona {
    background: #FDFEFE;
    border: 1px solid var(--rule);
    border-radius: var(--radius-sm);
    padding: 1.8rem 1.6rem;
    box-shadow: var(--shadow-card);
    display: flex; flex-direction: column;
}
.persona .role {
    font-family: var(--font-mono);
    font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 0.9rem;
}
.persona h3 { margin-bottom: 0.7rem; font-size: 1.28rem; font-family: var(--font-display); font-weight: 550; }
.persona .pain { color: var(--slate); font-size: 0.93rem; margin-bottom: 1.1rem; }
.persona .gets {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--rule);
    font-size: 0.93rem;
    color: var(--ink);
}
.persona .gets strong { color: var(--teal); font-weight: 650; }

/* ---------- Deliverables ---------- */

.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
}
.outcome-card {
    background: #FDFEFE;
    border: 1px solid var(--rule);
    border-radius: var(--radius-sm);
    padding: 1.4rem 1.4rem;
    box-shadow: var(--shadow-card);
}
.outcome-card .idx {
    font-family: var(--font-mono);
    font-size: 0.66rem; letter-spacing: 0.1em;
    color: var(--muted);
    margin-bottom: 0.55rem;
}
.outcome-card h4 { font-size: 0.98rem; font-weight: 650; margin-bottom: 0.35rem; }
.outcome-card p { font-size: 0.9rem; color: var(--slate); }

.how-foot {
    margin-top: 2.6rem;
    padding: 1.4rem 1.6rem;
    border-left: 3px solid var(--teal);
    background: var(--teal-soft);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    max-width: 780px;
    color: var(--ink);
    font-size: 0.97rem;
}

/* ---------- Contact ---------- */

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
.contact-card {
    background: #FDFEFE;
    border: 1px solid var(--rule);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-card);
}
.contact-card h3 { margin-bottom: 0.6rem; }
.contact-card > p { color: var(--slate); font-size: 0.95rem; }
.contact-card .btn { margin-top: 1.4rem; }

.form-row { display: flex; flex-direction: column; gap: 0.7rem; margin-top: 1.2rem; }
.form-row input, .form-row select, .form-row textarea {
    font-family: var(--font-body);
    font-size: 0.93rem;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--rule-strong);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.9rem;
}
.form-row textarea { resize: vertical; }
.form-row button {
    align-self: flex-start;
    background: var(--ink); color: #fff;
    border: none; border-radius: 999px;
    padding: 0.75rem 1.6rem;
    font-family: var(--font-body); font-size: 0.93rem; font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
}
.form-row button:hover { background: #16304F; }
.form-row button:disabled { opacity: 0.6; cursor: wait; }

/* ---------- Footer ---------- */

.footer {
    border-top: 1px solid var(--rule);
    padding: 2.2rem 0;
    background: var(--paper-deep);
}
.footer-bottom {
    display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
    font-size: 0.82rem; color: var(--muted);
}
.footer-bottom a { color: var(--slate); text-decoration: none; }
.footer-bottom a:hover { color: var(--ink); }

/* ---------- Reveal on scroll ---------- */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .b-mover { transition: none; }
    * { animation: none !important; }
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
    .hero-grid, .bia-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .pillars, .persona-grid, .outcomes-grid { grid-template-columns: 1fr 1fr; }
    .timeline { grid-template-columns: 1fr 1fr; row-gap: 2.4rem; }
    .timeline::before { display: none; }
}

@media (max-width: 680px) {
    .section { padding: 4.5rem 0; }
    .hero { padding-top: 8.5rem; }
    .nav-links {
        display: none;
        position: absolute; top: 68px; left: 0; right: 0;
        background: var(--paper);
        border-bottom: 1px solid var(--rule);
        flex-direction: column; align-items: flex-start;
        padding: 1.2rem 24px; gap: 1.1rem;
    }
    .nav-links.open { display: flex; }
    .mobile-menu { display: block; }
    .nav-cta { display: none; }
    .pillars, .persona-grid, .outcomes-grid, .timeline, .contact-grid { grid-template-columns: 1fr; }
    .structure-compare { grid-template-columns: 1fr; }
    .sc-cell.rowkey { background: var(--paper-deep); }
    .fig-counters { grid-template-columns: 1fr 1fr; row-gap: 0.9rem; }
    .brand .agent-tag { display: none; }
}