/* ============================================================
   NTDCISO.com — NTD CISO
   Final-round system per docs/ntdciso-website-recommendations.md
   and the approved design canvases (desktop hero, mobile hero,
   wordmark system).

   Palette: Ink Navy #0F1B2D · Surface #16243A · Paper #F7F5F0
   Brass #B08A4A (on light: #95733B) · Hairline #E3DFD6
   Headline on navy #F3F1EC · Text #1A1F27 / #5A6270
   Type: Newsreader (headings) · Source Sans 3 (body)
   One accent, no gradients, no glow, hairlines instead of shadows.
   ============================================================ */

:root {
    --ink: #0F1B2D;
    --surface: #16243A;
    --paper: #F7F5F0;
    --white: #FFFFFF;
    --text: #1A1F27;
    --text-2: #5A6270;
    --hairline: #E3DFD6;
    --brass: #B08A4A;
    --brass-dark: #95733B;
    --brass-text: #85672F;  /* brass for text on light: AA at small sizes (4.8:1 on paper) */
    --headline-navy: #F3F1EC;
    --on-navy: #E9ECF1;
    --on-navy-2: #9AA6B8;
    --on-navy-3: #B7C0CD;
    --nav-link: #C9D1DC;

    --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
    --sans: 'Source Sans 3', 'Segoe UI', system-ui, Arial, sans-serif;

    --header-h: 80px;
    --radius: 4px;
}

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

html { scroll-behavior: smooth; }

/* ---------- Skip link: hidden until keyboard focus (WCAG 2.4.1) ---------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: .75rem;
    z-index: 100;
    background: var(--brass);
    color: var(--ink);
    padding: .6rem 1.1rem;
    border-radius: 0 0 var(--radius) var(--radius);
    font-weight: 600;
    text-decoration: none;
}
.skip-link:focus {
    top: 0;
    color: var(--ink);
}

body {
    font-family: var(--sans);
    font-size: 1.125rem;        /* 18/30 */
    line-height: 1.667;
    color: var(--text);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
@supports (height: 100dvh) {
    body { min-height: 100svh; }
}
main { flex: 1 0 auto; }

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 8.33vw, 7.5rem); /* 120px sides at 1440 */
}
.section { padding: 8rem 0; }             /* 128px */
.section-white { background: var(--white); }
.section-paper { background: var(--paper); }
.section-navy { background: var(--ink); color: var(--on-navy); }

/* Editorial section header: eyebrow + optional sub */
.eyebrow {
    font-family: var(--sans);
    font-size: .8125rem;      /* 13 */
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--brass-text);
    margin-bottom: 1.5rem;
}
.section-navy .eyebrow { color: var(--brass); }
.section-sub {
    color: var(--text-2);
    font-size: 1.125rem;
    max-width: 45rem;
    margin-bottom: 0;
}
.section-navy .section-sub { color: var(--on-navy-2); }

h1, h2, h3 {
    font-family: var(--serif);
    font-weight: 500;
    color: var(--ink);
    line-height: 1.14;
    letter-spacing: -0.01em;
    hyphens: none;
}
.section-navy h1, .section-navy h2, .section-navy h3 { color: var(--headline-navy); }
h1 { font-size: 3.625rem; line-height: 1.138; }   /* 58/66 */
h2 { font-size: 2.25rem; line-height: 1.222; margin-bottom: 1.5rem; }  /* 36/44 */
h3 { font-size: 1.375rem; line-height: 1.364; font-weight: 600; margin: 1.5rem 0 .6rem; }  /* 22/30 */
p { margin-bottom: 1.25rem; }
.measure, p.measure { max-width: 45rem; }

a { color: var(--ink); text-decoration: underline; text-decoration-color: rgba(15,27,45,.35); text-underline-offset: 3px; }
a:hover { color: var(--brass-dark); text-decoration-color: var(--brass-dark); }
.section-navy a { color: var(--on-navy); text-decoration-color: rgba(233,236,241,.4); }
.section-navy a:hover { color: var(--brass); text-decoration-color: var(--brass); }

/* ---------- Header / nav ---------- */
.site-header {
    background: var(--ink);
    border-bottom: 1px solid rgba(255,255,255,.10);
    position: sticky;
    top: 0;
    z-index: 50;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: var(--header-h);
}
/* Serif wordmark: NTD | brass rule | CISO */
.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none !important;
    flex-shrink: 0;
}
.brand .brand-ntd {
    font-family: var(--serif);
    font-weight: 600;
    font-size: 1.875rem;   /* 30 */
    letter-spacing: .02em;
    color: var(--headline-navy);
    line-height: 1;
}
.brand .brand-rule { width: 1px; height: 22px; background: var(--brass); }
.brand .brand-ciso {
    font-family: var(--serif);
    font-weight: 500;
    font-size: .9375rem;   /* 15 */
    letter-spacing: .3em;
    color: var(--brass);
    line-height: 1;
}
.brand:hover .brand-ciso { color: var(--brass-dark); }

nav.primary-nav ul {
    display: flex;
    flex-wrap: nowrap;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}
nav.primary-nav a {
    color: var(--nav-link);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: .35rem 0;
    transition: color .15s ease;
    white-space: nowrap;
}
nav.primary-nav a:hover, nav.primary-nav a:focus { color: var(--brass); }
.has-dropdown.open > a { color: var(--brass); }
/* Services dropdown: industry pages stay reachable from the header */
.has-dropdown { position: relative; }
.has-dropdown > a::after {
    content: "";
    display: inline-block;
    margin-left: .45rem;
    vertical-align: 2px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    opacity: .7;
}
.has-dropdown .dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    display: block;
    gap: 0;
    background: var(--ink);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: var(--radius);
    padding: .55rem 0;
    min-width: 230px;
    list-style: none;
    z-index: 60;
    box-shadow: 0 12px 32px rgba(5,10,20,.45);
    opacity: 0;
    visibility: hidden;
    translate: 0 6px;
    /* visibility flips instantly (0s) so a hover/focus transition state can never wedge it hidden */
    transition: opacity .15s ease, translate .15s ease, visibility 0s;
}
/* Hover = transient preview; .open = pinned by click (stays until close) */
.has-dropdown:not(.open):hover .dropdown,
.has-dropdown.open .dropdown,
.has-dropdown:focus-within .dropdown {
    opacity: 1;
    visibility: visible;
    translate: 0 0;
}
.has-dropdown .dropdown a {
    display: block;
    padding: .55rem 1.4rem;
    font-size: .9375rem;
    font-weight: 500;
    color: var(--nav-link);
    white-space: nowrap;
}
.has-dropdown .dropdown a:hover { color: var(--brass); background: rgba(255,255,255,.04); }
/* Outlined brass "Book a call" — square corners */
nav.primary-nav a.nav-book {
    color: var(--on-navy);
    font-size: .9375rem;
    font-weight: 600;
    border: 1px solid var(--brass);
    border-radius: var(--radius);
    padding: 11px 20px;
    margin-left: 8px;
    transition: background .15s ease, color .15s ease;
}
nav.primary-nav a.nav-book:hover, nav.primary-nav a.nav-book:focus {
    background: var(--brass);
    color: var(--ink);
}

/* Mobile menu button: plain three-line icon, no box (44px target) */
.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--on-navy);
}
.nav-toggle svg { display: block; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    font-family: var(--sans);
    font-weight: 600;
    font-size: 1.0625rem;   /* 17 */
    padding: 17px 28px;
    border-radius: var(--radius);
    text-decoration: none;
    border: 0;
    transition: background .15s ease, color .15s ease;
}
.btn-primary { background: var(--brass); color: var(--ink); }
.btn-primary:hover { background: var(--brass-dark); color: #fff; }
/* Secondary = quiet underlined text link, never a filled ghost */
.btn-secondary,
.section-navy .btn-secondary,
.hero .btn-secondary {
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(233,236,241,.4);
    border-radius: 0;
    color: var(--on-navy);
    padding: 0 0 3px;
}
.btn-secondary:hover, .section-navy .btn-secondary:hover { color: var(--brass); border-bottom-color: var(--brass); }
.section-white .btn-secondary, .section-paper .btn-secondary, .page-header .btn-secondary {
    color: var(--ink);
    border-bottom-color: rgba(15,27,45,.35);
}
.section-white .btn-secondary:hover, .section-paper .btn-secondary:hover, .page-header .btn-secondary:hover {
    color: var(--brass-dark);
    border-bottom-color: var(--brass-dark);
}

/* ---------- Hero: flat ink navy, 12-col split, proof bar ----------
   Desktop: header + hero fill the first viewport; copy left, portrait
   right, proof bar anchored at the bottom. Mobile: flows naturally
   (copy → proof 2×2 → portrait) with the primary CTA in screen one. */
.hero {
    background: var(--ink);
    color: var(--on-navy);
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - var(--header-h, 80px));
    min-height: calc(100dvh - var(--header-h, 80px));
}
.hero-main {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 24px;
    align-items: center;
    padding: 88px 0 0;
}
.hero-copy { grid-column: 1 / 8; }
.hero-copy .eyebrow { color: var(--brass); }
.hero h1 {
    color: var(--headline-navy);
    font-size: 3.625rem;
    line-height: 1.138;
    max-width: 21ch;
    margin-bottom: 0;
}
.hero-sub {
    margin: 28px 0 0;
    font-size: 1.25rem;     /* 20/32 */
    line-height: 1.6;
    color: var(--on-navy-3);
    max-width: 620px;
    hyphens: none;
}
.hero-ctas {
    margin-top: 40px;
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}
.hero-portrait { grid-column: 9 / 13; }
.hero-portrait img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid rgba(233,236,241,.25);
    display: block;
}
/* Infographic variant: natural square ratio, blends into the navy hero */
.hero-portrait img.hero-graphic {
    aspect-ratio: auto;
    object-fit: contain;
    border: 0;
}
/* Proof bar: four operator facts, thin vertical rules, normal case */
.hero-proof {
    border-top: 1px solid rgba(255,255,255,.10);
    margin-top: 56px;
    padding: 28px 0 36px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 24px;
}
.proof-item { padding-right: 24px; }
.proof-item + .proof-item {
    border-left: 1px solid rgba(255,255,255,.10);
    padding-left: 24px;
}
.proof-item b {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--on-navy);
    margin-bottom: 4px;
}
.proof-item span { font-size: .875rem; color: var(--on-navy-2); line-height: 1.35; display: block; }

/* ---------- Split sections (H2 left, text right) ---------- */
.split {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 24px;
    align-items: start;
}
.split-head { grid-column: 1 / 5; }
.split-head .eyebrow { margin-bottom: 1rem; }
.split-head h2 { margin-bottom: 0; }
.split-body { grid-column: 6 / 13; max-width: 45rem; }
.split-body p:first-child { margin-top: .25rem; }

/* ---------- Engagement models ---------- */
.engagement-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}
.engagement {
    background: var(--white);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    padding: 2.5rem;
}
.engagement h3 { margin-top: 0; font-size: 1.5rem; }
.engagement .engagement-for { color: var(--text-2); margin-bottom: 1.25rem; }
.engagement ul { list-style: none; margin: 0 0 1.5rem; border-top: 1px solid var(--hairline); }
.engagement ul li {
    padding: .65rem 0;
    border-bottom: 1px solid var(--hairline);
    font-size: 1.0625rem;
}
.engagement .engagement-terms { font-weight: 600; color: var(--ink); margin-bottom: 1.4rem; }

/* ---------- First-30-days: deliverables + board dashboard preview ---------- */
.thirty-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
ul.deliverables { list-style: none; }
ul.deliverables li {
    padding: .8rem 0;
    border-bottom: 1px solid var(--hairline);
    font-size: 1.0625rem;
}
.board-mock {
    background: var(--ink);
    color: var(--on-navy);
    border-radius: var(--radius);
    padding: 2rem;
}
.board-mock h3 { color: var(--headline-navy); margin-top: 0; margin-bottom: 1.25rem; }
.board-row {
    padding: .8rem 0;
    border-bottom: 1px solid rgba(255,255,255,.10);
    font-size: .95rem;
    color: var(--on-navy-3);
    display: flex;
    align-items: center;
    gap: 1rem;
}
.board-row:last-child { border-bottom: 0; }
.board-row i {
    display: inline-block;
    height: 6px;
    background: var(--brass);
    opacity: .55;
    border-radius: 3px;
    flex-shrink: 0;
}
.board-note { margin-top: 1rem; font-size: .82rem; color: var(--on-navy-2); }

/* ---------- Founder (homepage, navy) ---------- */
.founder-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 24px;
    align-items: start;
}
.founder-copy { grid-column: 1 / 8; }
.founder-photo-col { grid-column: 9 / 13; }
.founder-photo-col img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid rgba(233,236,241,.25);
    display: block;
}
.founder-caption { margin-top: .8rem; font-size: .875rem; color: var(--on-navy-2); }
.pull-quote {
    font-family: var(--serif);
    font-size: 1.75rem;
    line-height: 1.4;
    color: var(--headline-navy);
    border-left: 2px solid var(--brass);
    padding-left: 1.5rem;
    margin: 2rem 0;
}

/* ---------- Fit / not a fit ---------- */
.fit-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}
.fit-cols h3 { margin-top: 0; }
ul.fit-list { list-style: none; border-top: 1px solid var(--hairline); }
ul.fit-list li {
    padding: .8rem 0;
    border-bottom: 1px solid var(--hairline);
    font-size: 1.0625rem;
}
ul.fit-list.not-fit li { color: var(--text-2); }

/* ---------- Insights teasers ---------- */
.insight-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}
.insight-teaser {
    background: var(--white);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    text-decoration: none;
}
.insight-teaser .article-date { color: var(--text-2); font-size: .875rem; }
.insight-teaser h3 { margin: .2rem 0 .6rem; font-size: 1.375rem; }
.insight-teaser .read-link { color: var(--brass-dark); font-weight: 600; font-size: .95rem; text-decoration: none; }
.insight-teaser:hover { border-color: var(--brass); }
.insight-teaser:hover h3 { color: var(--brass-dark); }

/* ---------- Bullets (interior pages) ---------- */
ul.checklist { list-style: none; margin: 1rem 0 1.25rem; }
ul.checklist li {
    padding-left: 1.7rem;
    position: relative;
    margin-bottom: .55rem;
}
ul.checklist li::before {
    content: "";
    position: absolute;
    left: 0; top: .42em;
    width: .72em; height: .72em;
    background: var(--brass-dark);
    border-radius: 2px;
    transform: rotate(45deg);
}
.section-navy ul.checklist li::before { background: var(--brass); }

/* ---------- Cards (interior pages; hairline, no shadows) ---------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 24px;
}
.card {
    background: var(--white);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    padding: 2rem;
}
.card h3 { margin-top: 0; }
.card p { font-size: 1.0625rem; margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--ink);
    color: var(--on-navy-2);
    padding: 4rem 0 2.5rem;
    font-size: .9375rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
}
.site-footer .brand { margin-bottom: 1.1rem; }
.footer-tagline { color: var(--on-navy-2); margin-bottom: .6rem; }
.site-footer h3 {
    color: var(--headline-navy);
    font-size: .875rem;
    font-family: var(--sans);
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin: 0 0 .9rem;
}
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: .5rem; }
.site-footer a { color: var(--on-navy-2); text-decoration: none; }
.site-footer a:hover { color: var(--brass); }
.footer-bottom {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,.10);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    color: var(--on-navy-2);
    font-size: .875rem;
}

/* ---------- Contact form ---------- */
.form-card {
    background: var(--white);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    padding: 2.5rem;
    max-width: 640px;
}
.form-card label { display: block; font-weight: 600; font-size: .95rem; margin: .9rem 0 .3rem; }
.form-card input, .form-card textarea, .form-card select {
    width: 100%;
    padding: .65rem .8rem;
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    background: var(--white);
    color: var(--text);
}
.form-card input:focus, .form-card textarea:focus, .form-card select:focus {
    outline: 2px solid var(--brass);
    border-color: var(--brass);
}
.form-status { margin-top: 1rem; font-weight: 600; min-height: 1.4em; }
.form-status-ok { color: #147A4E; }
.form-status-err { color: #A03030; }

/* ---------- Founder (About page) ---------- */
.founder-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2.5rem;
    align-items: start;
}
.founder-photo { margin: 0; max-width: 380px; }
.founder-photo img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--hairline);
    display: block;
}
.founder-caption { margin-top: .7rem; line-height: 1.4; }
.founder-caption strong { color: var(--ink); font-size: 1rem; }
.founder-caption span { color: var(--text-2); font-size: .875rem; }
.founder-bio p { margin-bottom: 1rem; }

/* ---------- Breadcrumb / page header ---------- */
.breadcrumb {
    font-size: .875rem;
    color: var(--text-2);
    margin: 1.4rem 0 0;
}
.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--brass-dark); }
.page-header { padding: 5.5rem 0 4rem; }
.page-header p.intro { max-width: 44rem; color: var(--text-2); font-size: 1.125rem; }

/* ---------- Insights article cards ---------- */
.article-card {
    background: var(--white);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.25rem;
}
.article-card .article-date { color: var(--text-2); font-size: .875rem; }
.article-card h3 { margin: .2rem 0 .4rem; }

/* ---------- Sticky mobile "Book a call" bar ---------- */
.mobile-book-bar { display: none; }

/* ---------- Focus states ---------- */
a:focus-visible, .btn:focus-visible, nav.primary-nav a:focus-visible,
.nav-toggle:focus-visible, .insight-teaser:focus-visible,
.form-card input:focus-visible, .form-card textarea:focus-visible, .form-card select:focus-visible {
    outline: 2px solid var(--brass);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
    h1 { font-size: 2.9rem; }
    .hero h1 { font-size: 2.9rem; }
    .hero-copy { grid-column: 1 / 13; }
    .hero-portrait { grid-column: 1 / 13; max-width: 460px; margin-top: 2.5rem; }
    .split-head { grid-column: 1 / 13; margin-bottom: 2rem; }
    .split-body { grid-column: 1 / 13; }
    .founder-copy { grid-column: 1 / 13; margin-bottom: 2.5rem; }
    .founder-photo-col { grid-column: 1 / 13; max-width: 420px; }
    .thirty-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .insight-row { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
    :root { --header-h: 64px; }
    .section { padding: 4.5rem 0; }   /* 72px */
    .page-header { padding: 3.5rem 0 2.5rem; }

    /* Full-width dropdown menu under the hairline header */
    .nav-toggle { display: flex; }
    nav.primary-nav {
        display: none;
        width: 100%;
        flex-basis: 100%;
    }
    nav.primary-nav.open { display: block; }
    nav.primary-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: .5rem 0 1rem;
    }
    nav.primary-nav ul li { width: 100%; }
    nav.primary-nav ul li a {
        display: block;
        padding: .85rem 0;
        font-size: 1.0625rem;
        width: 100%;
    }
    /* Dropdown becomes a static sublist in the mobile menu */
    .has-dropdown .dropdown {
        position: static;
        transform: none;
        translate: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: 0;
        border-left: 1px solid rgba(255,255,255,.14);
        border-radius: 0;
        margin: 0 0 .35rem 1rem;
        padding: 0 0 0 .35rem;
        min-width: 0;
    }
    .has-dropdown .dropdown a { padding: .55rem 0; font-size: 1rem; }
    .has-dropdown > a::after { float: right; margin-top: .4rem; }
    nav.primary-nav ul li a.nav-book {
        display: block;
        text-align: center;
        margin: 1rem 0 0;
        padding: 14px 20px;
    }
    .header-inner { flex-wrap: wrap; }

    /* Wordmark at header scale (mobile canvas: 25/13, 18px rule) */
    .brand { gap: 11px; }
    .brand .brand-ntd { font-size: 1.5625rem; }
    .brand .brand-rule { height: 18px; }
    .brand .brand-ciso { font-size: .8125rem; }

    /* Mobile hero: copy → proof 2×2 → portrait (canvas order) */
    .hero { min-height: 0; padding-top: 44px; }
    .hero-main { display: contents; }
    .hero-copy { order: 1; }
    .hero-proof { order: 2; }
    .hero-portrait { order: 3; }
    .hero-copy .eyebrow { font-size: .75rem; margin-bottom: 18px; }
    .hero h1 { font-size: 2.125rem; line-height: 1.2; }  /* 34/41 */
    .hero-sub { font-size: 1.0625rem; line-height: 1.588; margin-top: 22px; }  /* 17/27 */
    .hero-ctas { flex-direction: column; align-items: stretch; gap: 18px; margin-top: 32px; }
    .hero-ctas .btn { width: 100%; min-height: 52px; display: flex; align-items: center; justify-content: center; text-align: center; }
    .hero-ctas .btn-secondary { border-bottom: 0; min-height: 44px; justify-content: center; }
    .hero-proof {
        margin-top: 32px;
        padding: 24px 0 0;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px 18px;
    }
    .proof-item { padding-right: 0; }
    .proof-item + .proof-item { border-left: 0; padding-left: 0; }
    .proof-item b { font-size: .9375rem; }
    .proof-item span { font-size: .875rem; line-height: 1.35; }
    .hero-portrait { max-width: none; margin-top: 36px; }
    .hero-portrait img { aspect-ratio: auto; height: 260px; }

    h1 { font-size: 2.125rem; line-height: 1.2; }
    h2 { font-size: 1.75rem; line-height: 1.214; }  /* 28/34 */
    h3 { font-size: 1.25rem; }
    body { font-size: 1.0625rem; line-height: 1.588; }  /* 17/27 */

    .engagement-grid { grid-template-columns: 1fr; }
    .fit-cols { grid-template-columns: 1fr; gap: 2.5rem; }
    .founder-layout { grid-template-columns: 1fr; }
    .founder-photo { max-width: 300px; }
    .pull-quote { font-size: 1.375rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand-col { grid-column: 1 / 3; }

    /* Sticky bottom "Book a call" bar appears after the hero */
    .mobile-book-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 40;
        background: var(--ink);
        border-top: 1px solid rgba(255,255,255,.10);
        padding: 12px 20px calc(12px + env(safe-area-inset-bottom, 0px));
        transform: translateY(110%);
        transition: transform .25s ease;
    }
    .mobile-book-bar.show { transform: translateY(0); }
    .mobile-book-bar a {
        flex: 1;
        text-align: center;
        background: var(--brass);
        color: var(--ink);
        font-weight: 600;
        font-size: 1.0625rem;
        padding: 13px 20px;
        border-radius: var(--radius);
        text-decoration: none;
    }
    body { padding-bottom: 76px; }
}

/* ---------- Motion restraint ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn, nav.primary-nav a, nav.primary-nav a.nav-book, .mobile-book-bar {
        transition: none;
    }
}
/* Service pages: tighter vertical rhythm between sections (Ron, 9/27 —
   8rem gaps read as wasted space on interior pages; homepage keeps 8rem) */
body.tight-sections .section { padding: 5.5rem 0; }
@media (max-width: 860px) {
    body.tight-sections .section { padding: 3.5rem 0; }
}