/* Crosswind Technologies, LLC — site stylesheet (2026 web-design-first redesign, "Concept A") */
:root {
  --ink: #14213d;
  --ink-soft: #4a5672;
  --paper: #fbfaf7;
  --panel: #ffffff;
  --line: #e6e2d9;
  --accent: #e8702a;
  --accent-dark: #c95a17;
  --tint: #f3efe6;
  --radius: 14px;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: Manrope, system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--paper); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(820px, 100% - 32px); margin-inline: auto; }
h1, h2, h3 { line-height: 1.1; margin: 0 0 .5em; }
h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.1rem, 4vw, 3.2rem); letter-spacing: -.01em; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .75rem; font-weight: 700; color: var(--accent-dark); margin: 0 0 1rem; }
.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 62ch; }
.muted { color: var(--ink-soft); }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .6rem 1rem; z-index: 100; }
.skip-link:focus { left: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .9rem 1.5rem; border-radius: 999px; font: 700 1rem var(--sans); text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-line { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-lg { font-size: 1.1rem; padding: 1.1rem 2rem; }

/* Header / nav */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(251,250,247,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .85rem 0; }
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1.05; }
.brand b { font-family: var(--serif); font-weight: 400; font-size: 1.6rem; }
.brand small { font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft); }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav-links a[aria-current="page"] { color: var(--accent-dark); }
.nav-links a.subtle { color: var(--ink-soft); font-weight: 500; }
.nav-links .btn, .nav-links .btn[aria-current="page"] { padding: .6rem 1.2rem; color: #fff; }
.nav-toggle { display: none; background: none; border: 0; padding: .5rem; cursor: pointer; }
.nav-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-7px) rotate(-45deg); }

/* Sections */
section { padding: 5rem 0; }
.tint { background: var(--tint); }
.section-head { max-width: 740px; margin-bottom: 3rem; }
.page-hero { padding: 4.5rem 0 3rem; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.6rem, 5.5vw, 4.2rem); letter-spacing: -.02em; max-width: 18ch; }
.page-hero h1 em { color: var(--accent); }

/* Home hero */
.hero { padding: 5rem 0 4rem; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 3rem; align-items: center; }
.hero h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.8rem, 6vw, 4.8rem); letter-spacing: -.02em; }
.hero h1 em { color: var(--accent); }
.hero .lead { margin-bottom: 2rem; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.proof { display: flex; flex-wrap: wrap; gap: 1.5rem 2rem; margin-top: 2.2rem; font-size: .9rem; color: var(--ink-soft); }
.proof strong { color: var(--ink); display: block; font-size: 1.4rem; font-family: var(--serif); font-weight: 400; }
.stack { position: relative; aspect-ratio: 5 / 4; }
.browser { position: absolute; background: var(--panel); border-radius: 10px; box-shadow: 0 30px 60px -20px rgba(20,33,61,.35); overflow: hidden; border: 1px solid var(--line); }
.browser::before { content: ""; display: block; height: 22px; background: radial-gradient(circle at 12px 11px, #e8702a 4px, transparent 5px), radial-gradient(circle at 26px 11px, #e6c14a 4px, transparent 5px), #f1eee8; }
.browser img { aspect-ratio: 16 / 9; object-fit: cover; object-position: top; width: 100%; }
.b1 { width: 78%; top: 0; right: 0; }
.b2 { width: 62%; bottom: 4%; left: 0; z-index: 2; }
.b3 { width: 40%; bottom: 0; right: 4%; z-index: 3; }

/* Offer cards */
.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.offer { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; display: flex; flex-direction: column; }
.offer .num { font-family: var(--serif); font-size: 2.4rem; color: var(--accent); line-height: 1; }
.offer h3 { font-size: 1.25rem; margin-top: .8rem; }
.offer p { color: var(--ink-soft); margin-top: 0; }
.offer ul { padding-left: 1.1rem; color: var(--ink-soft); margin: 0; }
.offer li + li { margin-top: .3rem; }
.offer .more { margin-top: auto; padding-top: 1.2rem; font-weight: 700; }

/* Case studies */
.case { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: center; padding: 2.5rem 0; border-top: 1px solid var(--line); }
.case:nth-child(even) .case-img { order: 2; }
.case-img { border-radius: var(--radius); overflow: hidden; box-shadow: 0 20px 40px -20px rgba(20,33,61,.4); border: 1px solid var(--line); }
.case-img img { aspect-ratio: 16 / 10; object-fit: cover; object-position: top; width: 100%; }
.case h3 { font-family: var(--serif); font-weight: 400; font-size: 2rem; }
.case dl { margin: 0; display: grid; gap: .8rem; }
.case dt { font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 700; color: var(--accent-dark); }
.case dd { margin: 0; color: var(--ink-soft); }
.case .more { font-weight: 700; display: inline-block; margin-top: 1rem; }

/* Portfolio grids */
.strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.strip a { text-decoration: none; }
.strip img { border-radius: 10px; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; border: 1px solid var(--line); }
.strip span { display: block; font-size: .88rem; font-weight: 600; margin-top: .5rem; }
.portfolio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem 1.5rem; }
.site-card { text-decoration: none; display: flex; flex-direction: column; }
.site-card img { border-radius: 12px; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; border: 1px solid var(--line); box-shadow: 0 14px 30px -18px rgba(20,33,61,.35); transition: transform .2s; }
.site-card:hover img { transform: translateY(-3px); }
.site-card b { margin-top: .9rem; font-size: 1.05rem; }
.site-card span { color: var(--ink-soft); font-size: .93rem; }
.site-card .tag { color: var(--accent-dark); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; margin-top: .3rem; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: step; }
.step { border-top: 3px solid var(--ink); padding-top: 1.2rem; }
.step::before { counter-increment: step; content: "0" counter(step); font-family: var(--serif); font-size: 2rem; color: var(--accent); }
.step h3 { font-size: 1.1rem; margin-top: .4rem; }
.step p { color: var(--ink-soft); margin: 0; font-size: .95rem; }
.timeline { list-style: none; padding: 0; margin: 0; counter-reset: tl; }
.timeline > li { display: grid; grid-template-columns: 90px 1fr; gap: 1.5rem; padding: 2rem 0; border-top: 1px solid var(--line); }
.timeline > li::before { counter-increment: tl; content: "0" counter(tl); font-family: var(--serif); font-size: 3rem; color: var(--accent); line-height: 1; }
.timeline h3 { font-size: 1.3rem; }
.timeline p { color: var(--ink-soft); margin: 0 0 .6rem; }
.timeline ul { color: var(--ink-soft); margin: 0; padding-left: 1.1rem; }

/* About / why */
.about { display: grid; grid-template-columns: 340px 1fr; gap: 3.5rem; align-items: center; }
.about > img { border-radius: var(--radius); aspect-ratio: 4 / 5; object-fit: cover; }
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem 2rem; margin-top: 2rem; }
.why h3 { font-size: 1.05rem; margin-bottom: .2rem; }
.why p { margin: 0; color: var(--ink-soft); font-size: .95rem; }
.creds { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2rem; }
.creds span { border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: .4rem 1rem; font-size: .85rem; font-weight: 600; }
.prose p { color: var(--ink-soft); font-size: 1.05rem; }
.prose h2 { margin-top: 2.5rem; }

/* Two-column feature list */
.split { display: grid; grid-template-columns: 1fr 1.3fr; gap: 3rem; align-items: start; padding: 3rem 0; border-top: 1px solid var(--line); }
.split h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.checklist li { padding-left: 2rem; position: relative; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 800; }
.checklist b { display: block; }
.checklist span { color: var(--ink-soft); }

/* FAQ */
.faq { display: grid; gap: .8rem; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 1.1rem 1.4rem; }
.faq summary { font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--ink-soft); margin: .8rem 0 0; }

/* Cards (business IT) */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; }
.card h3 { font-size: 1.15rem; }
.card p, .card ul { color: var(--ink-soft); margin: 0; }
.card ul { padding-left: 1.1rem; }
.card img { border-radius: 8px; margin: -.4rem 0 1rem; background: #fff; max-height: 160px; object-fit: contain; width: 100%; }

/* CTA band */
.cta { background: var(--ink); color: #fff; border-radius: 24px; padding: 4rem; display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; align-items: center; }
.cta h2 { color: #fff; }
.cta p { color: #c7cde0; margin: 0; }
.cta .btn-primary { justify-self: end; }

/* Quote form */
.quote-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 3rem; align-items: start; }
.form { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 2.2rem; display: grid; gap: 1.2rem; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form label, .form fieldset { display: grid; gap: .4rem; font-weight: 600; font-size: .95rem; }
.form fieldset { border: 0; padding: 0; margin: 0; }
.form legend { font-weight: 600; font-size: .95rem; margin-bottom: .5rem; padding: 0; }
.form .opt { font-weight: 400; color: var(--ink-soft); }
.form input[type="text"], .form input[type="email"], .form input[type="tel"], .form input[type="url"], .form select, .form textarea { font: 400 1rem var(--sans); color: var(--ink); padding: .8rem .9rem; border: 1px solid #cfc9bc; border-radius: 10px; background: #fff; width: 100%; }
.form textarea { resize: vertical; min-height: 140px; }
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.choice { display: flex !important; align-items: flex-start; gap: .6rem; border: 1px solid var(--line); border-radius: 10px; padding: .75rem .9rem; font-weight: 500 !important; cursor: pointer; background: var(--paper); }
.choice:has(input:checked) { border-color: var(--accent); background: #fdf1e8; }
.choice input { margin-top: .25rem; accent-color: var(--accent); }
.sms { display: flex !important; gap: .7rem; align-items: flex-start; font-weight: 400 !important; font-size: .82rem !important; color: var(--ink-soft); }
.sms input { margin-top: .2rem; accent-color: var(--accent); flex: none; }
.hp { position: absolute; left: -9999px; }
.notice { border-radius: 12px; padding: 1rem 1.2rem; font-weight: 600; }
.notice.ok { background: #e7f6ec; color: #1d6b3a; border: 1px solid #b9e3c7; }
.notice.err { background: #fdeaea; color: #9b1c1c; border: 1px solid #f3c2c2; }
.aside { display: grid; gap: 1.2rem; }
.aside .card p + p { margin-top: .6rem; }

/* Footer */
.site-footer { padding: 3.5rem 0 2.5rem; font-size: .92rem; color: var(--ink-soft); border-top: 1px solid var(--line); margin-top: 2rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.foot-grid h4 { color: var(--ink); margin: 0 0 .8rem; font-size: .95rem; }
.foot-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.foot-grid a { text-decoration: none; }
.foot-grid a:hover { color: var(--accent-dark); text-decoration: underline; }
.foot-brand b { font-family: var(--serif); font-weight: 400; font-size: 1.5rem; color: var(--ink); display: block; }
.foot-base { border-top: 1px solid var(--line); margin-top: 2.5rem; padding-top: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: .85rem; }

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: .5rem 16px 1.2rem; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .8rem 0; border-bottom: 1px solid var(--line); }
  .nav-links .btn { margin-top: 1rem; border-bottom: 0; }
  .hero-grid, .case, .about, .cta, .split, .quote-grid { grid-template-columns: 1fr; }
  .case:nth-child(even) .case-img { order: 0; }
  .offer-grid, .card-grid, .card-grid.two { grid-template-columns: 1fr; }
  .steps, .strip, .portfolio, .foot-grid { grid-template-columns: 1fr 1fr; }
  .about > img { max-width: 280px; }
  .cta { padding: 2.5rem 1.5rem; }
  .cta .btn-primary { justify-self: start; }
  .why { grid-template-columns: 1fr; }
  section { padding: 3.5rem 0; }
}
@media (max-width: 600px) {
  .steps, .portfolio, .foot-grid, .form .row, .choices { grid-template-columns: 1fr; }
  .timeline > li { grid-template-columns: 1fr; gap: .3rem; }
  .form { padding: 1.4rem; }
  .hero { padding-top: 3rem; }
}