/* BizTek Consulting — site stylesheet
   Layout: left-aligned editorial grid, charcoal authority bands, red reserved for action.
   60% white/cloud · 30% charcoal · 10% BizTek Red */
:root {
  --red: #C8102E;        /* BizTek Red — buttons, accents */
  --red-deep: #A50D26;   /* hover, red text links */
  --red-soft: #FF5A6E;   /* red text on charcoal only */
  --char: #1E2329;       /* Executive Charcoal — headings, dark bands */
  --char-2: #272D35;     /* raised surface on charcoal */
  --slate: #4B5563;      /* body text */
  --steel: #6B7280;      /* captions on white */
  --cloud: #F5F6F8;      /* alternate sections */
  --mist: #E5E7EB;       /* borders */
  --white: #FFFFFF;
  --on-dark: #C9CED6;    /* body text on charcoal */
  --ok: #1F7A4D;
  --ph: #FFF3B0;         /* placeholder highlight */
  --f-display: "Montserrat", "Segoe UI", Arial, sans-serif;
  --f-body: "Inter", "Segoe UI", Arial, sans-serif;
  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 6px;
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--white); color: var(--slate); font: 400 17px/1.65 var(--f-body); }
img, svg { max-width: 100%; }
a { color: var(--red-deep); text-underline-offset: 3px; }
a:hover { color: var(--red); }
:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }
h1, h2, h3, h4 { font-family: var(--f-display); color: var(--char); line-height: 1.2; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2rem, 4.6vw, 3.1rem); font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1em; max-width: 68ch; }
ul { padding-left: 1.2em; }
li { margin-bottom: .35em; }
li::marker { color: var(--red); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(56px, 8vw, 96px); }
.section.tight { padding-block: clamp(40px, 5vw, 64px); }
.bg-cloud { background: var(--cloud); }
.bg-dark { background: var(--char); color: var(--on-dark); }
.bg-dark h1, .bg-dark h2, .bg-dark h3 { color: var(--white); }
.bg-dark a:not(.btn) { color: var(--white); }
.bg-red { background: var(--red); color: var(--white); }
.bg-red h2 { color: var(--white); }
.eyebrow { font: 600 .8rem/1.3 var(--f-display); letter-spacing: .16em; text-transform: uppercase; color: var(--red); margin: 0 0 14px; }
.bg-dark .eyebrow { color: var(--red-soft); }
.lead { font-size: 1.15rem; color: var(--slate); }
.bg-dark .lead { color: var(--on-dark); }
.muted { color: var(--steel); font-size: .92rem; }
.ph { background: var(--ph); color: var(--char); padding: 0 .25em; border-radius: 3px; }
.section-head { max-width: 760px; margin-bottom: 40px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5em; font: 600 1rem/1 var(--f-body); padding: 15px 24px; border-radius: var(--radius); text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: background .15s, color .15s, border-color .15s; }
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-deep); color: var(--white); }
.btn-ghost { border-color: var(--char); color: var(--char); background: transparent; }
.btn-ghost:hover { background: var(--char); color: var(--white); }
.bg-dark .btn-ghost { border-color: var(--on-dark); color: var(--white); }
.bg-dark .btn-ghost:hover { background: var(--white); color: var(--char); }
.bg-red .btn-ghost { border-color: var(--white); color: var(--white); }
.bg-red .btn-ghost:hover { background: var(--white); color: var(--red-deep); }
.btn-white { background: var(--white); color: var(--red-deep); }
.btn-white:hover { background: var(--char); color: var(--white); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.link-arrow { font-weight: 600; text-decoration: none; color: var(--red-deep); }
.link-arrow::after { content: " →"; }
.link-arrow:hover { text-decoration: underline; }

/* Header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--white); border-bottom: 1px solid var(--mist); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 76px; }
.brand img { display: block; height: 44px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links li { margin: 0; position: relative; }
.nav-links a { display: block; padding: 10px 12px; color: var(--char); text-decoration: none; font: 500 .95rem/1.2 var(--f-body); border-bottom: 2px solid transparent; }
.nav-links a:hover { color: var(--red-deep); }
.nav-links a[aria-current="page"] { border-bottom-color: var(--red); }
.has-sub > a::after { content: " ▾"; font-size: .75em; color: var(--steel); }
.sub { display: none; position: absolute; top: 100%; left: 0; min-width: 240px; background: var(--white); border: 1px solid var(--mist); border-top: 3px solid var(--red); border-radius: 0 0 var(--radius) var(--radius); box-shadow: 0 12px 30px rgba(30,35,41,.12); list-style: none; padding: 8px 0; margin: 0; }
.has-sub:hover .sub, .has-sub:focus-within .sub { display: block; }
.sub a { padding: 10px 18px; }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-cta .btn { padding: 12px 18px; }
.menu-toggle { display: none; background: none; border: 1px solid var(--mist); border-radius: var(--radius); width: 46px; height: 46px; cursor: pointer; color: var(--char); }
.menu-toggle svg { width: 22px; height: 22px; }
@media (max-width: 1080px) {
  .menu-toggle { display: inline-grid; place-items: center; }
  .nav-links { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; background: var(--white); border-bottom: 1px solid var(--mist); padding: 8px var(--gutter) 20px; box-shadow: 0 16px 30px rgba(30,35,41,.1); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 4px; border-bottom: 1px solid var(--mist); }
  .nav-links a[aria-current="page"] { color: var(--red-deep); border-bottom-color: var(--mist); }
  .sub { display: block; position: static; border: 0; box-shadow: none; padding: 0 0 0 16px; min-width: 0; }
  .has-sub > a::after { content: ""; }
}
@media (max-width: 480px) { .brand img { height: 36px; } .nav-cta .btn { padding: 11px 14px; font-size: .9rem; } }

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--char); color: var(--on-dark); }
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 48px; align-items: center; padding-block: clamp(64px, 9vw, 120px); }
.hero h1 { color: var(--white); font-size: clamp(2.2rem, 5.4vw, 3.8rem); }
.hero h1 span { display: block; }
.hero h1 .r { color: var(--red-soft); }
.hero-sub { font-size: 1.18rem; color: var(--on-dark); max-width: 58ch; }
.hero-trust { margin-top: 36px; padding-top: 20px; border-top: 1px solid #3A414B; font-size: .9rem; color: var(--on-dark); display: flex; flex-wrap: wrap; gap: 8px 28px; }
.hero-trust b { color: var(--white); font-weight: 600; }
.traces { position: absolute; inset: 0; z-index: 0; opacity: .5; pointer-events: none; }
.hero-mark { justify-self: end; width: min(340px, 100%); }
.page-hero { background: var(--char); color: var(--on-dark); position: relative; overflow: hidden; }
.page-hero .wrap { position: relative; z-index: 1; padding-block: clamp(56px, 7vw, 92px); }
.page-hero h1 { color: var(--white); max-width: 22ch; }
.page-hero .lead { max-width: 62ch; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: minmax(0, 1fr); } .hero-mark { display: none; } }

/* Fact strip */
.facts { border-bottom: 1px solid var(--mist); }
.facts .wrap { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.fact { padding: 28px 20px 28px 0; }
.fact + .fact { padding-left: 24px; border-left: 1px solid var(--mist); }
.fact b { display: block; font: 700 1.9rem/1.1 var(--f-display); color: var(--char); font-variant-numeric: tabular-nums; }
.fact span { font-size: .9rem; color: var(--steel); }
@media (max-width: 760px) { .facts .wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); } .fact:nth-child(3) { padding-left: 0; border-left: 0; } .fact:nth-child(n+3) { border-top: 1px solid var(--mist); } }

/* Grids and cards */
.grid { display: grid; gap: 24px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 960px) { .g3, .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: minmax(0, 1fr); } }
.card { background: var(--white); border: 1px solid var(--mist); border-radius: var(--radius); padding: 28px; min-width: 0; display: flex; flex-direction: column; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.card .link-arrow { margin-top: auto; padding-top: 12px; }
.bg-dark .card { background: var(--char-2); border-color: #3A414B; color: var(--on-dark); }
.problem { border-top: 4px solid var(--char); }
.problem h3 { font-size: 1.25rem; }
.icon { width: 40px; height: 40px; color: var(--red); margin-bottom: 16px; flex: none; }
.bg-dark .icon { color: var(--red-soft); }
.tag { display: inline-block; font: 600 .72rem/1 var(--f-body); letter-spacing: .06em; text-transform: uppercase; color: var(--steel); background: var(--cloud); border: 1px solid var(--mist); padding: 6px 8px; border-radius: 3px; }

/* Lifecycle */
.lifecycle { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; counter-reset: step; margin-top: 8px; }
.stage { position: relative; padding: 28px 32px 28px 0; }
.stage::before { content: ""; position: absolute; left: 0; right: 24px; top: 0; height: 4px; background: var(--char); }
.stage:last-child::before { background: var(--red); }
.stage::after { content: ""; position: absolute; right: 12px; top: -6px; border-left: 14px solid var(--char); border-top: 8px solid transparent; border-bottom: 8px solid transparent; }
.stage:last-child::after { border-left-color: var(--red); }
.stage .verb { font: 700 .8rem/1 var(--f-display); letter-spacing: .14em; text-transform: uppercase; color: var(--red); margin: 18px 0 8px; }
.stage h3 { font-size: 1.4rem; }
.under { margin-top: 24px; padding: 18px 22px; background: var(--white); border: 1px dashed #C9CED6; border-radius: var(--radius); font-size: .95rem; }
@media (max-width: 760px) { .lifecycle { grid-template-columns: minmax(0, 1fr); } .stage { padding-right: 0; } .stage::before { right: 0; } .stage::after { display: none; } }

/* Commitments */
.commit { border-left: 3px solid var(--red); padding: 4px 0 4px 20px; }
.commit h3 { margin-bottom: .35em; }
.commit p { margin: 0; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; list-style: none; padding: 0; margin: 0; counter-reset: s; }
.steps li { counter-increment: s; margin: 0; padding-top: 18px; border-top: 1px solid var(--mist); }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--red); color: var(--white); font: 700 1rem var(--f-display); margin-bottom: 14px; }
.steps h3 { margin-bottom: .3em; }
@media (max-width: 860px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .steps { grid-template-columns: minmax(0, 1fr); } }

/* Tiers */
.tier { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; padding: 24px 0; border-top: 1px solid var(--mist); }
.tier:last-child { border-bottom: 1px solid var(--mist); }
.tier h3 { margin: 0 0 4px; }
.tier .who { font-size: .88rem; color: var(--steel); }
@media (max-width: 640px) { .tier { grid-template-columns: minmax(0, 1fr); gap: 8px; } }

/* Founder */
.founder { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 48px; align-items: start; }
.portrait { aspect-ratio: 4/5; max-width: 100%; border-radius: var(--radius); background: var(--char); display: grid; place-items: center; position: relative; overflow: hidden; }
.portrait span { font: 700 4rem var(--f-display); color: var(--white); letter-spacing: .02em; }
.portrait small { position: absolute; bottom: 12px; left: 0; right: 0; text-align: center; color: var(--on-dark); font-size: .75rem; }
.portrait::before { content: ""; position: absolute; top: 0; right: 0; border-top: 70px solid var(--red); border-left: 70px solid transparent; }
blockquote { margin: 24px 0; padding: 4px 0 4px 22px; border-left: 3px solid var(--red); font: 500 1.15rem/1.55 var(--f-display); color: var(--char); }
blockquote cite { display: block; margin-top: 8px; font: 400 .9rem var(--f-body); color: var(--steel); font-style: normal; }
@media (max-width: 760px) { .founder { grid-template-columns: minmax(0, 1fr); } .portrait { max-width: 260px; } }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--mist); border-radius: var(--radius); margin: 8px 0 24px; }
table { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 560px; }
th { text-align: left; background: var(--char); color: var(--white); font: 600 .85rem/1.3 var(--f-body); letter-spacing: .02em; padding: 12px 16px; }
td { padding: 14px 16px; border-top: 1px solid var(--mist); vertical-align: top; }
td:first-child { font-weight: 600; color: var(--char); }
tbody tr:nth-child(even) td { background: var(--cloud); }

/* Split layout */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.split.wide-left { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
@media (max-width: 860px) { .split, .split.wide-left { grid-template-columns: minmax(0, 1fr); gap: 32px; } }
.checklist { list-style: none; padding: 0; }
.checklist li { position: relative; padding-left: 30px; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .45em; width: 16px; height: 9px; border-left: 3px solid var(--red); border-bottom: 3px solid var(--red); transform: rotate(-45deg); }

/* FAQ */
.faq details { border-top: 1px solid var(--mist); padding: 4px 0; }
.faq details:last-child { border-bottom: 1px solid var(--mist); }
.faq summary { cursor: pointer; list-style: none; padding: 16px 36px 16px 0; font: 600 1.05rem/1.4 var(--f-display); color: var(--char); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 1.5rem; color: var(--red); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 16px; }

/* CTA band */
.cta-band .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.cta-band h2 { margin-bottom: .25em; }
.cta-band p { margin: 0; color: #FFE4E8; }
.cta-band .btn-row { margin-top: 0; }

/* Offers */
.offer { border-top: 4px solid var(--red); }
.offer .for { font: 600 .78rem/1 var(--f-display); letter-spacing: .12em; text-transform: uppercase; color: var(--steel); margin-bottom: 10px; }
.offer .btn { margin-top: auto; align-self: flex-start; }

/* Associates */
.filters { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin-bottom: 28px; padding: 18px; background: var(--cloud); border-radius: var(--radius); }
.filters label { display: grid; gap: 6px; font-size: .82rem; font-weight: 600; color: var(--char); flex: 1 1 200px; }
.filters select { font: inherit; font-size: .95rem; padding: 10px 12px; border: 1px solid #C9CED6; border-radius: var(--radius); background: var(--white); color: var(--char); }
.result-count { font-size: .9rem; color: var(--steel); margin: 0 0 16px; }
.assoc { padding: 0; overflow: hidden; }
.assoc-top { display: flex; gap: 16px; align-items: center; padding: 22px 22px 0; }
.avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--char); color: var(--white); display: grid; place-items: center; font: 700 1.2rem var(--f-display); flex: none; overflow: hidden; }
.avatar.soon { background: var(--cloud); color: var(--steel); border: 1px dashed #C9CED6; }
.avatar svg { width: 30px; height: 30px; }
.assoc h3 { margin: 0; font-size: 1.08rem; }
.assoc .role { font-size: .88rem; color: var(--red-deep); font-weight: 600; }
.assoc-body { padding: 14px 22px 22px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.assoc-body p { margin: 0; font-size: .95rem; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.meta { font-size: .85rem; color: var(--steel); display: flex; flex-wrap: wrap; gap: 4px 16px; }
.avail { font-size: .82rem; color: var(--char); }
.avail b { font-weight: 600; }
.assoc .btn { margin-top: auto; align-self: flex-start; padding: 10px 14px; font-size: .9rem; }
.soon-label { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--steel); }

/* Forms */
.form { display: grid; gap: 18px; }
.form .row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 600px) { .form .row { grid-template-columns: minmax(0, 1fr); } }
.field { display: grid; gap: 6px; min-width: 0; }
.field > label, fieldset legend { font: 600 .9rem/1.3 var(--f-body); color: var(--char); }
.req { color: var(--red); }
input[type=text], input[type=email], input[type=tel], input[type=url], select, textarea { font: inherit; font-size: 1rem; width: 100%; padding: 12px 14px; border: 1px solid #C9CED6; border-radius: var(--radius); background: var(--white); color: var(--char); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--char); box-shadow: 0 0 0 3px rgba(200,16,46,.18); }
textarea { min-height: 140px; resize: vertical; }
fieldset { border: 1px solid var(--mist); border-radius: var(--radius); padding: 14px 16px 10px; margin: 0; min-width: 0; }
fieldset legend { padding: 0 6px; }
.opts { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.opts label, .check { display: flex; gap: 8px; align-items: flex-start; font-size: .95rem; color: var(--slate); cursor: pointer; }
.opts input, .check input { accent-color: var(--red); width: 18px; height: 18px; margin-top: 3px; flex: none; }
.hint { font-size: .82rem; color: var(--steel); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { padding: 14px 16px; border-radius: var(--radius); font-size: .95rem; }
.form-status.ok { background: #E7F4EC; color: var(--ok); border: 1px solid #B7DCC6; }
.form-status.err { background: #FDECEE; color: var(--red-deep); border: 1px solid #F5C2CA; }
.form-status.demo { background: #FFF8DB; color: #5B4A00; border: 1px solid #F0DD8A; }
.side-card { background: var(--cloud); border-radius: var(--radius); padding: 28px; }
.side-card + .side-card { margin-top: 20px; }
.side-card h3 { font-size: 1.05rem; }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.contact-list li { margin: 0; }
.contact-list b { display: block; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--steel); }
.contact-list span, .contact-list a { color: var(--char); font-weight: 500; }

/* Downloads */
.dl { display: flex; gap: 16px; align-items: flex-start; }
.dl .file { flex: none; width: 46px; height: 56px; background: var(--white); border: 1px solid var(--mist); border-radius: 4px; position: relative; display: grid; place-items: end center; padding-bottom: 6px; font: 700 .62rem var(--f-body); color: var(--red); }
.dl .file::before { content: ""; position: absolute; top: -1px; right: -1px; border-top: 14px solid var(--cloud); border-left: 14px solid var(--red); }

/* Prose (legal) */
.prose { max-width: 760px; }
.prose h2 { font-size: 1.35rem; margin-top: 1.8em; }

/* Footer */
.site-footer { background: var(--char); color: var(--on-dark); font-size: .93rem; padding-top: 64px; }
.site-footer .cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.site-footer h4 { color: var(--white); font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 16px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--on-dark); text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.site-footer .logo { height: 44px; width: auto; margin-bottom: 16px; }
.tagline { font: 600 .78rem var(--f-display); letter-spacing: .18em; color: var(--red-soft); }
.footer-bar { margin-top: 48px; border-top: 1px solid #3A414B; padding-block: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .85rem; }
.footer-bar nav { display: flex; flex-wrap: wrap; gap: 18px; }
@media (max-width: 860px) { .site-footer .cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .site-footer .cols { grid-template-columns: minmax(0, 1fr); } }

.wa-float { position: fixed; right: 18px; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); z-index: 60; width: 56px; height: 56px; border-radius: 50%; background: #1F7A4D; color: #fff; display: grid; place-items: center; box-shadow: 0 8px 20px rgba(0,0,0,.2); }
.wa-float svg { width: 28px; height: 28px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--char); color: var(--white); padding: 10px 14px; z-index: 100; }
.skip:focus { left: 8px; }
.hero .btn-ghost, .page-hero .btn-ghost { border-color: var(--on-dark); color: var(--white); }
.hero .btn-ghost:hover, .page-hero .btn-ghost:hover { background: var(--white); color: var(--char); }
.card.dl { flex-direction: row; }
.card.dl > div { display: flex; flex-direction: column; min-width: 0; }
.hero .lead, .page-hero .lead { color: var(--on-dark); }
.check { display: block; position: relative; padding-left: 28px; }
.check input { position: absolute; left: 0; top: 0; margin-top: 3px; }