/* Option C: multi-page site in the Option B theme (navy + brand blue, logo red accent, Roboto Slab) */
:root {
  --navy: #0a1633;
  --navy-2: #111f45;
  --blue: #084af3;
  --blue-light: #5b86ff;
  --red: #f42525;
  --ink: #0f172a;
  --text: #3d4556;
  --muted: #667085;
  --tint: #f3f6fd;
  --line: #e3e8f2;
  --radius: 14px;
  --wrap: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font: 400 17px/1.65 Roboto, system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--text); background: #fff; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
h1, h2, h3 { font-family: "Roboto Slab", Georgia, serif; color: var(--ink); line-height: 1.18; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2.2rem, 5.4vw, 4rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.15rem; font-weight: 500; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
section { padding: clamp(60px, 9vw, 110px) 0; position: relative; }
.tint { background: var(--tint); }
.accent { color: var(--red); }
.eyebrow { font-size: .8rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; }
.section-head { max-width: 46em; margin-bottom: 48px; }
.section-head p:last-child { color: var(--muted); font-size: 1.05rem; }

/* Buttons */
.btn { display: inline-block; background: var(--red); color: #fff; text-decoration: none; font: inherit; font-weight: 500; padding: 14px 28px; border-radius: 999px; border: 2px solid var(--red); cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(244,37,37,.3); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); box-shadow: none; border-color: #fff; }
.btn-sm { padding: 8px 20px; }
.btn:disabled { opacity: .6; cursor: wait; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(10,22,51,.92); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand img { width: 140px; }
#site-nav { display: flex; align-items: center; gap: 30px; }
#site-nav a { color: #d6def0; text-decoration: none; font-weight: 500; font-size: .96rem; }
#site-nav a:hover { color: #fff; }
#site-nav a.btn { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero { background: radial-gradient(1200px 600px at 85% 10%, #173a9e 0%, transparent 60%), linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%); color: #c9d3ea; overflow: hidden; padding-top: clamp(64px, 10vw, 128px); }
.hero h1 { color: #fff; max-width: 15em; }
.hero .eyebrow { color: var(--blue-light); }
.hero .lead { font-size: 1.18rem; max-width: 36em; }
.hero-inner { position: relative; z-index: 1; }
.hero-bars { position: absolute; right: max(20px, calc((100vw - var(--wrap)) / 2)); top: 120px; width: min(22vw, 250px); height: auto; fill: rgba(244,37,37,.22); stroke: rgba(244,37,37,.8); stroke-width: 1.5; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 32px 0 0; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 72px 0 0; border-top: 1px solid rgba(255,255,255,.12); }
.stats div { padding: 26px 20px 0 0; }
.stats dt { font-family: "Roboto Slab", serif; font-size: 2.2rem; font-weight: 700; color: #fff; line-height: 1.1; }
.stats dd { margin: 6px 0 0; font-size: .92rem; color: #9fb0d4; }

/* Services */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.svc { background: #fff; padding: 34px 30px; transition: background .2s; }
.svc:hover { background: #fafbff; }
.svc svg { width: 40px; height: 40px; padding: 8px; border-radius: 10px; background: #e9efff; stroke: var(--blue); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 18px; }
.svc p { font-size: .96rem; margin: 0; }

/* Approach */
.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.steps li { counter-increment: s; background: #fff; border-radius: var(--radius); padding: 28px 24px; border: 1px solid var(--line); }
.steps li::before { content: "0" counter(s); display: block; font-family: "Roboto Slab", serif; font-weight: 700; font-size: 1.5rem; color: var(--red); margin-bottom: 10px; }
.steps p { font-size: .95rem; margin: 0; }

/* Work */
.cases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.case { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; transition: border-color .2s, transform .2s, box-shadow .2s; }
.case:hover { border-color: #bccbf5; transform: translateY(-3px); box-shadow: 0 14px 30px rgba(10,22,51,.08); }
.case.feature { grid-column: span 2; background: linear-gradient(160deg, var(--navy) 0%, #142a66 100%); color: #c9d3ea; border: 0; }
.case.feature h3 { color: #fff; font-size: 1.35rem; }
.case.feature .tag { color: var(--blue-light); }
.case h3 { margin-top: .5em; }
.case p { font-size: .94rem; margin: 0; }
.tag { font-size: .74rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); }
.facts { list-style: none; padding: 0; margin: 20px 0 0; display: flex; flex-wrap: wrap; gap: 10px 28px; font-size: .92rem; }
.facts strong { color: #fff; font-family: "Roboto Slab", serif; margin-right: 4px; }
.sectors { margin-top: 56px; display: flex; gap: 24px; align-items: baseline; flex-wrap: wrap; }
.sectors h3 { margin: 0; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips.center { justify-content: center; }
.chips li { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 6px 16px; font-size: .9rem; color: var(--ink); }

/* Technologies */
.logos { list-style: none; padding: 0; margin: 0 0 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.logos li { display: flex; align-items: center; justify-content: center; height: 104px; background: #fff; border-radius: var(--radius); padding: 18px; border: 1px solid var(--line); }
.logos img { max-height: 60px; width: auto; }

/* About */
.about { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start; }
.about p { font-size: 1.05rem; }

/* Contact */
.dark { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%); color: #c9d3ea; }
.dark h2, .dark h3 { color: #fff; }
.dark .eyebrow { color: var(--blue-light); }
.dark a { color: #fff; }
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; }
.office { margin-bottom: 24px; }
.office h3 { font-size: 1.02rem; margin-bottom: .35em; }
.office p { margin: 0 0 .3em; }
.email a { font-family: "Roboto Slab", serif; font-size: 1.15rem; }
form { background: #fff; color: var(--text); border-radius: var(--radius); padding: 32px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: block; font-size: .9rem; font-weight: 500; color: var(--ink); margin-bottom: 16px; }
input, textarea { display: block; width: 100%; margin-top: 6px; font: inherit; color: var(--ink); padding: 12px 14px; border: 1px solid #d0d6e2; border-radius: 10px; background: #fbfcfe; }
input:focus, textarea:focus { outline: 2px solid var(--blue); outline-offset: 0; border-color: var(--blue); background: #fff; }
.hp { position: absolute; left: -9999px; }
.form-status { margin: 14px 0 0; font-size: .95rem; }
.form-status.ok { color: #0a7a3d; }
.form-status.err { color: #b42318; }

/* Footer */
.site-footer { background: #070f24; color: #8796b8; padding: 28px 0; font-size: .88rem; }
.site-footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer p { margin: 0; }

:focus-visible { outline: 2px solid var(--blue-light); outline-offset: 2px; }

/* Responsive */
@media (max-width: 1024px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .cases { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  #site-nav { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--navy); padding: 8px 20px 20px; display: none; border-bottom: 1px solid rgba(255,255,255,.1); }
  #site-nav.open { display: flex; }
  #site-nav a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  #site-nav a.btn { margin-top: 12px; text-align: center; border-bottom: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .about, .contact { grid-template-columns: 1fr; gap: 24px; }
  .logos { grid-template-columns: repeat(2, 1fr); }
  .hero-bars { display: none; }
}
@media (max-width: 560px) {
  .services, .cases, .steps { grid-template-columns: 1fr; }
  .case.feature { grid-column: auto; }
  .row { grid-template-columns: 1fr; gap: 0; }
  form { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---- Multi-page additions ---- */
#site-nav a[aria-current="page"]:not(.btn) { color: #fff; box-shadow: inset 0 -2px 0 var(--red); padding-bottom: 4px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.more { margin: 28px 0 0; font-weight: 500; }
.more a { text-decoration: none; }
.more a:hover { text-decoration: underline; }

/* Home: service cards as links */
.services.compact a.svc { color: inherit; text-decoration: none; display: block; }
.services.compact a.svc:hover h3 { color: var(--blue); }

/* Inner page hero */
.page-hero { background: radial-gradient(900px 400px at 90% 0%, #173a9e 0%, transparent 60%), linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%); color: #c9d3ea; padding: clamp(56px, 8vw, 96px) 0 clamp(48px, 6vw, 72px); }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3.2rem); }
.page-hero .eyebrow { color: var(--blue-light); }
.page-hero .lead { font-size: 1.12rem; max-width: 40em; margin: 0; }
.jump { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.jump a { color: #fff; text-decoration: none; font-size: .9rem; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; padding: 6px 16px; }
.jump a:hover { background: rgba(255,255,255,.08); border-color: #fff; }

/* Services detail */
.detail-list { display: grid; gap: 0; }
.detail { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; padding: 44px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 80px; }
.detail:first-child { padding-top: 0; }
.detail:last-child { border-bottom: 0; padding-bottom: 0; }
.detail-head svg { width: 48px; height: 48px; padding: 10px; border-radius: 12px; background: #e9efff; stroke: var(--blue); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 16px; }
.detail-head h2 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); }
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { position: relative; padding: 8px 0 8px 30px; color: var(--ink); }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 15px; width: 12px; height: 7px; border-left: 2.5px solid var(--red); border-bottom: 2.5px solid var(--red); transform: rotate(-45deg); }

/* About: why us */
.why { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why div { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; }
.why strong { display: block; font-family: "Roboto Slab", serif; color: var(--ink); font-size: 1.08rem; margin-bottom: 8px; }
.why p { font-size: .95rem; margin: 0; }

/* CTA band */
.cta-band { background: linear-gradient(120deg, var(--blue) 0%, #0a2fa8 100%); color: #dbe5ff; padding: 56px 0; }
.cta-band h2 { color: #fff; margin-bottom: .2em; font-size: clamp(1.5rem, 2.8vw, 2.1rem); }
.cta-band p { margin: 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

/* Contact page */
.office.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.office.card h3 { color: var(--ink); }
form.bordered { border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(10,22,51,.06); }

/* Footer */
.site-footer { padding: 48px 0 0; }
.site-footer a { color: #c9d3ea; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 32px; align-items: start; }
.footer-grid img { margin-bottom: 10px; }
.footer-grid nav { display: flex; flex-direction: column; gap: 8px; }
.footer-grid p { margin: 0 0 8px; }
.site-footer .footer-base { display: block; border-top: 1px solid rgba(255,255,255,.08); margin-top: 32px; padding-top: 18px; padding-bottom: 22px; }

@media (max-width: 1024px) {
  .why { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .detail { grid-template-columns: 1fr; gap: 8px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  #site-nav a[aria-current="page"]:not(.btn) { box-shadow: inset 3px 0 0 var(--red); padding-left: 12px; padding-bottom: 12px; }
}
@media (max-width: 560px) {
  .why { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}