/* Intelligena company site — self-hosted, no CDN, CSP-tight. */

:root {
    --ink:        #0b1220;
    --ink-soft:   #38455f;
    --ink-mute:   #667691;
    --paper:      #ffffff;
    --paper-alt:  #f4f6fa;
    --line:       #dde3ee;
    --brand:      #1f4fd8;
    --brand-dk:   #17389c;
    --brand-lt:   #eaf0ff;
    --accent:     #17c0a8;
    --dark:       #090e1a;
    --dark-soft:  #141c30;
    --danger:     #b3261e;
    --danger-bg:  #fdecea;
    --ok:         #10714f;
    --ok-bg:      #e6f6ef;
    --radius:     14px;
    --radius-sm:  8px;
    --shadow:     0 2px 6px rgba(11,18,32,.06), 0 12px 28px rgba(11,18,32,.08);
    --wrap:       1180px;
    --font:       system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.62;
    color: var(--ink);
    background: var(--paper);
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.015em; }
h2 { font-size: 2rem; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
a { color: var(--brand); }

.container { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 100;
    background: var(--brand); color: #fff; padding: 12px 20px;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; }

/* --- Header ---------------------------------------------------------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255,255,255,.94);
    backdrop-filter: saturate(160%) blur(8px);
    border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand, .brand-lockup { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }

/* The mark: an eye inside a triangle. Sized in `em` so it tracks the wordmark
   rather than needing a second edit whenever the lockup is rescaled. */
.brand-mark { width: 1.62em; height: 1.62em; flex-shrink: 0; overflow: visible; }
.brand-mark-triangle {
    fill: none; stroke: var(--brand); stroke-width: 2.4;
    stroke-linejoin: round;
}
.brand-mark-eye { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; }
.brand-mark-pupil { fill: var(--brand); }

.brand-name { font-weight: 700; font-size: 1.45rem; letter-spacing: -.025em; }
.site-nav { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }
.site-nav a {
    text-decoration: none; color: var(--ink-soft); font-weight: 500; font-size: .93rem;
    padding: 6px 0; border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a.is-active { color: var(--brand); border-bottom-color: var(--brand); }
.header-portal { flex-shrink: 0; }

/* --- Buttons --------------------------------------------------------- */
.btn {
    display: inline-block; padding: 12px 22px; border-radius: 999px;
    font-weight: 600; font-size: .97rem; text-decoration: none; cursor: pointer;
    border: 1.5px solid transparent; transition: background .15s, color .15s, border-color .15s;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dk); }
.btn-ghost { border-color: currentColor; color: inherit; background: transparent; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }
.btn-lg { padding: 15px 30px; font-size: 1.03rem; }
.hero .btn-ghost { color: #fff; }
.header-portal.btn-ghost { color: var(--brand); border-color: var(--brand); }
.header-portal.btn-ghost:hover { background: var(--brand-lt); }

/* --- Hero (one large hero per page) ---------------------------------- */
.hero {
    background-color: var(--dark);
    background-size: cover;
    background-position: center;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.hero-inner { padding: 104px 24px 96px; max-width: 860px; }
/* A hero that is a photograph of people, shown WITHOUT a scrim.
   The width is constrained on the CHILDREN, not on .hero-inner — that element also
   carries .container, whose `margin: 0 auto` would centre a narrowed block and push
   the text right, straight onto the faces it is meant to avoid. */
.hero-photo .hero-eyebrow,
.hero-photo .hero-title,
.hero-photo .hero-subtitle,
.hero-photo .hero-actions { max-width: 520px; }

/* With no gradient underneath, the type carries its own contrast. Layered rather than
   one soft glow: the two tight shadows build an opaque halo that holds against a white
   shirt or a bright window, and the wide one seats the text on the picture. A single
   large-radius shadow only greys the background and fails exactly where it is needed. */
.hero-photo .hero-eyebrow,
.hero-photo .hero-title,
.hero-photo .hero-subtitle {
    text-shadow:
        0 0 4px rgba(9,14,26,.92),
        0 1px 3px rgba(9,14,26,.95),
        0 3px 12px rgba(9,14,26,.85),
        0 8px 38px rgba(9,14,26,.7);
}
/* The eyebrow is the one element a halo alone cannot rescue: small, tracked-out teal
   over a daylit window is unreadable with no scrim beneath it. It goes white HERE only
   — the accent stays the accent on every other hero and everywhere else on the site. */
.hero-photo .hero-eyebrow { color: #fff; font-weight: 800; letter-spacing: .16em; }
.hero-eyebrow {
    text-transform: uppercase; letter-spacing: .14em; font-size: .76rem;
    font-weight: 700; color: var(--accent); margin-bottom: 18px;
}
.hero-title { font-size: clamp(2.2rem, 5vw, 3.6rem); margin-bottom: 20px; }
.hero-subtitle { font-size: clamp(1.05rem, 2vw, 1.28rem); color: rgba(255,255,255,.86); max-width: 62ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

/* --- Bands ----------------------------------------------------------- */
.band { padding: 76px 0; }
.band-alt { background: var(--paper-alt); }
.band-intro { padding: 56px 0 12px; }
.band-dark { background: var(--dark); color: rgba(255,255,255,.86); }
.band-dark h2, .band-dark h3 { color: #fff; }
.lede { font-size: 1.24rem; line-height: 1.6; color: var(--ink-soft); max-width: 68ch; }
.lede-sm { font-size: 1.08rem; color: var(--ink-soft); font-weight: 500; }
.section-title { font-size: clamp(1.7rem, 3vw, 2.3rem); }
.section-sub { color: var(--ink-mute); max-width: 62ch; margin-bottom: 36px; }
.band-dark .section-sub { color: rgba(255,255,255,.68); }
.mini-title { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-mute); margin-top: 22px; }
.footnote-inline { color: var(--ink-mute); font-size: .95rem; margin-top: 24px; max-width: 66ch; }

/* --- Practice cards -------------------------------------------------- */
/* Four practices, so two columns rather than three — three left the fourth card
   stranded alone on its own row at a third of the width. */
/* min(400px, 100%) — a bare 400px minimum cannot shrink below the track and
   overflows a 390px phone horizontally. */
.practice-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr)); gap: 26px; }
.practice-card {
    background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.practice-image { width: 100%; aspect-ratio: 8 / 5; object-fit: cover; }
/* The body grows so every card's "in detail" link lands on the same baseline —
   otherwise the four links stagger by however long each summary happens to be. */
.practice-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.practice-cta { margin: auto 0 0; padding-top: 18px; }
.ticks { list-style: none; padding: 0; margin: 14px 0 0; }
.ticks li { position: relative; padding-left: 26px; margin-bottom: 9px; font-size: .95rem; color: var(--ink-soft); }
.ticks li::before {
    content: ""; position: absolute; left: 4px; top: .55em;
    width: 9px; height: 9px; border-radius: 50%; background: var(--accent);
}
.band-dark .ticks li { color: rgba(255,255,255,.8); }

/* --- Stats ----------------------------------------------------------- */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 34px; }
.stat-value { font-size: 2.6rem; font-weight: 700; color: var(--accent); margin: 0 0 8px; letter-spacing: -.02em; }
.stat-label { color: rgba(255,255,255,.74); font-size: .95rem; margin: 0; }

/* --- Markets --------------------------------------------------------- */
.market-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 26px; }
.market-card {
    border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
    background: var(--paper); box-shadow: var(--shadow);
}
.market-card img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.market-body { padding: 22px 24px 26px; }
.text-link { font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.market-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 52px; align-items: center; }
.market-detail.is-reversed .market-detail-media { order: 2; }
.market-detail-media img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; object-fit: cover; }

/* --- Frameworks / callout -------------------------------------------- */
.framework-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; margin-bottom: 40px; }
.framework-card { background: var(--dark-soft); border: 1px solid rgba(255,255,255,.09); border-radius: var(--radius); padding: 24px; }
.framework-role { color: var(--accent); font-size: .87rem; font-weight: 600; margin-bottom: 10px; }
.framework-card p { font-size: .95rem; color: rgba(255,255,255,.76); }
.callout { border-left: 4px solid var(--accent); padding: 22px 26px; border-radius: var(--radius-sm); background: var(--brand-lt); }
.callout-onDark { background: rgba(23,192,168,.09); }
.callout p { margin: 0; }

/* --- Glossary chips -------------------------------------------------- */
.glossary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; }
.glossary-group h3 { font-size: .84rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-mute); }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
    background: var(--paper-alt); border: 1px solid var(--line); border-radius: 999px;
    padding: 6px 14px; font-size: .87rem; color: var(--ink-soft);
}
.chips-lg li { font-size: .95rem; padding: 9px 18px; }
.jump-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.chip-link {
    background: var(--brand-lt); border: 1px solid #c9d8ff; color: var(--brand-dk);
    border-radius: 999px; padding: 8px 16px; font-size: .9rem; font-weight: 600; text-decoration: none;
}
.chip-link:hover { background: #dbe6ff; }

/* --- Security ladders ------------------------------------------------ */
.ladder-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 44px; align-items: center; margin-bottom: 40px; }
.ladder-image { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; aspect-ratio: 9 / 5; object-fit: cover; }
.ladder-scope, .ladder-basis { font-size: .95rem; color: var(--ink-soft); margin-bottom: 6px; }
.level-list { list-style: none; counter-reset: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.level-item {
    display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 24px; align-items: start;
    background: var(--paper); border: 1px solid var(--line); border-left: 5px solid var(--brand);
    border-radius: var(--radius-sm); padding: 22px 26px; box-shadow: var(--shadow);
}
.tier-badge {
    display: inline-block; background: var(--brand); color: #fff; font-weight: 700;
    border-radius: 999px; padding: 7px 16px; font-size: .95rem; text-align: center;
    letter-spacing: .01em;
}
.level-body h3 { margin-bottom: 6px; font-size: 1.08rem; }
.level-body p { margin: 0; color: var(--ink-soft); font-size: .97rem; }
.practice-plain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.practice-plain p { color: rgba(255,255,255,.76); font-size: .96rem; }

/* --- CTA ------------------------------------------------------------- */
.band-cta { background: linear-gradient(120deg, var(--brand-dk) 0%, var(--brand) 60%, #2f6bf0 100%); color: #fff; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-inner h2 { margin-bottom: 6px; }
.cta-inner p { margin: 0; color: rgba(255,255,255,.86); }
.band-cta .btn-primary { background: #fff; color: var(--brand-dk); }
.band-cta .btn-primary:hover { background: #eaf0ff; }

/* --- Partner form ---------------------------------------------------- */
.partner-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr); gap: 60px; align-items: start; }
.form-title { font-size: 1.7rem; }
.form-intro { color: var(--ink-mute); margin-bottom: 26px; }
.partner-form .field { margin-bottom: 20px; }
.partner-form label { display: block; font-weight: 600; font-size: .93rem; margin-bottom: 7px; }
.req { color: var(--danger); margin-left: 3px; }
.partner-form input[type="text"],
.partner-form input[type="email"],
.partner-form select,
.partner-form textarea {
    width: 100%; padding: 12px 14px; font: inherit; font-size: .98rem; color: var(--ink);
    background: var(--paper); border: 1.5px solid var(--line); border-radius: var(--radius-sm);
}
.partner-form textarea { resize: vertical; min-height: 140px; }
.partner-form input:focus, .partner-form select:focus, .partner-form textarea:focus {
    border-color: var(--brand); outline: 3px solid rgba(31,79,216,.16); outline-offset: 0;
}
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger); background: var(--danger-bg); }
.field-help { font-size: .85rem; color: var(--ink-mute); margin: 6px 0 0; }
.field-error { font-size: .88rem; color: var(--danger); font-weight: 600; margin: 7px 0 0; }
.form-error {
    background: var(--danger-bg); border: 1px solid #f3c2bd; border-left: 5px solid var(--danger);
    color: #7d1c16; border-radius: var(--radius-sm); padding: 16px 20px; margin-bottom: 26px;
}
.form-actions { margin-top: 30px; }
.form-note { font-size: .87rem; color: var(--ink-mute); margin: 12px 0 0; }
/* Honeypot. `display:none` (not off-screen positioning) so the field is out of the
   visual tree, the a11y tree AND the tab order — an off-screen input is still
   "visible" to assistive tech and to a keyboard user. Hidden inputs are still
   submitted, which is the whole point; it is never `required`, so it cannot block
   a submit. */
.hp-wrap { display: none; }

.confirmation {
    background: var(--ok-bg); border: 1px solid #b9e3d0; border-left: 5px solid var(--ok);
    border-radius: var(--radius); padding: 34px 36px;
}
.confirmation h2 { color: var(--ok); font-size: 1.5rem; }

.partner-aside { background: var(--paper-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 32px; }
.aside-title { font-size: 1.12rem; margin-top: 26px; }
.aside-title:first-child { margin-top: 0; }
.engagement-list { list-style: none; padding: 0; margin: 0 0 10px; }
.engagement-list li { padding: 16px 0; border-bottom: 1px solid var(--line); }
.engagement-list li:last-child { border-bottom: 0; }
.engagement-list h3 { font-size: 1rem; margin-bottom: 2px; }
.engagement-duration { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); font-weight: 700; margin-bottom: 8px; }
.engagement-list p { font-size: .93rem; color: var(--ink-soft); margin: 0; }

/* --- Footer ---------------------------------------------------------- */
.site-footer { background: var(--dark); color: rgba(255,255,255,.7); padding: 56px 0 30px; margin-top: 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 34px; flex-wrap: wrap; padding-bottom: 26px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .brand-name { color: #fff; font-size: 1.45rem; }
/* --brand is a mid blue that all but vanishes on --dark; the mark keeps its accent
   eye and switches the triangle and pupil to white so the lockup reads at speed. */
.footer-brand .brand-mark-triangle { stroke: #fff; }
.footer-brand .brand-mark-pupil { fill: #fff; }
.footer-brand p { margin: 6px 0 0; font-size: .95rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
.footer-nav a { color: rgba(255,255,255,.78); text-decoration: none; font-size: .94rem; }
.footer-nav a:hover { color: #fff; text-decoration: underline; }
.footer-legal { padding-top: 22px; }
.footer-legal p { font-size: .82rem; color: rgba(255,255,255,.5); margin: 0 0 6px; max-width: 90ch; }
.env-badge {
    display: inline-block; background: var(--accent); color: var(--dark);
    border-radius: 6px; padding: 3px 12px; font-weight: 700; font-size: .76rem !important;
    letter-spacing: .06em;
}

/* --- Responsive ------------------------------------------------------ */
@media (max-width: 900px) {
    .market-detail, .ladder-head, .partner-layout { grid-template-columns: 1fr; gap: 32px; }
    .market-detail.is-reversed .market-detail-media { order: 0; }
    .hero-inner { padding: 72px 24px 64px; }
    .band { padding: 56px 0; }
}
@media (max-width: 680px) {
    .header-inner { flex-wrap: wrap; min-height: 0; padding-top: 12px; padding-bottom: 12px; }
    .site-nav { order: 3; width: 100%; margin-left: 0; gap: 16px; }
    .header-portal { margin-left: auto; }
    .level-item { grid-template-columns: 1fr; gap: 12px; }
    .tier-badge { justify-self: start; }
    .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}