:root {
  --navy: #1f3c8c;
  --navy-deep: #0d1b3e;
  --ink: #0f172a;
  --body: #3b4559;
  --muted: #6b7489;
  --blue: #2f6fe0;
  --blue-soft: #e9f0ff;
  --line: #e3e8f2;
  --bg: #ffffff;
  --bg-alt: #f6f8fc;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font-family: var(--font); color: var(--body); background: var(--bg); line-height: 1.65; font-size: 17px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h1:focus { outline: none; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
.mono { font-family: var(--mono); }
.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .container { padding: 0 28px; } }

/* Buttons */
.btn { display: inline-block; background: var(--navy); color: #fff; text-decoration: none; font-weight: 600; padding: .85em 1.5em; border-radius: 10px; border: 2px solid var(--navy); transition: background .15s, transform .15s, box-shadow .15s; font-size: 1rem; cursor: pointer; font-family: inherit; }
.btn:hover { background: var(--blue); border-color: var(--blue); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(47,111,224,.3); }
.btn:disabled { opacity: .6; cursor: default; transform: none; box-shadow: none; }
.btn-ghost { background: transparent; color: var(--navy); }
.btn-ghost:hover { background: var(--blue-soft); color: var(--navy); border-color: var(--navy); box-shadow: none; }
.btn-small { padding: .55em 1.1em; font-size: .92rem; }
.btn-light { background: #fff; color: var(--navy); border-color: #fff; }
.btn-light:hover { background: var(--blue-soft); border-color: var(--blue-soft); color: var(--navy); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand img { height: 52px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .96rem; }
.site-nav a:not(.btn):hover { color: var(--blue); }
.site-nav a.btn { color: #fff; }
.nav-check { position: absolute; opacity: 0; pointer-events: none; }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 10px; cursor: pointer; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-nav { position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 16px; display: none; box-shadow: var(--shadow); }
  .site-nav a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .site-nav a.btn { margin-top: 12px; text-align: center; border-bottom: 0; }
  .nav-check:checked ~ .site-nav { display: flex; }
}

/* Hero */
.hero { position: relative; overflow: hidden; padding: 96px 0 104px; background: radial-gradient(1200px 500px at 85% -10%, #dfe9ff 0%, transparent 60%), linear-gradient(180deg, #fbfcff 0%, #f3f6fd 100%); }
.hero-arc { position: absolute; right: -180px; top: -260px; width: 900px; height: 520px; border-top: 22px solid var(--navy); border-radius: 50%; opacity: .07; transform: rotate(-8deg); pointer-events: none; }
.hero-inner { position: relative; max-width: 880px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700; color: var(--blue); margin-bottom: 14px; }
.hero .eyebrow { text-transform: none; letter-spacing: .02em; font-size: .95rem; font-weight: 500; color: var(--navy); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--body); max-width: 720px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0 34px; }
.hero-points { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 26px; color: var(--muted); font-size: .95rem; font-weight: 500; }
.hero-points li::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); margin-right: 9px; vertical-align: middle; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-sub { font-size: 1.08rem; color: var(--muted); }
@media (max-width: 640px) { .section { padding: 68px 0; } .hero { padding: 64px 0 72px; } }

/* Service cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; box-shadow: var(--shadow); transition: transform .2s, border-color .2s; }
.card:hover { transform: translateY(-3px); border-color: #c9d6f2; }
.card p { font-size: .98rem; }
.card-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--blue-soft); display: grid; place-items: center; margin-bottom: 18px; }
.card-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--navy); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tick { list-style: none; padding: 0; margin: 0; font-size: .92rem; color: var(--ink); }
.tick li { padding: 5px 0 5px 24px; position: relative; }
.tick li::before { content: ""; position: absolute; left: 2px; top: 11px; width: 10px; height: 6px; border-left: 2px solid var(--blue); border-bottom: 2px solid var(--blue); transform: rotate(-45deg); }

/* Work */
.work-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr)); gap: 22px; }
.work { background: #fff; border-radius: var(--radius); padding: 30px 28px 26px; border: 1px solid var(--line); border-top: 4px solid var(--navy); display: flex; flex-direction: column; }
.work p { font-size: .97rem; }
.work-tag { font-size: .76rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
.work-stack { margin: auto 0 0; padding-top: 14px; border-top: 1px dashed var(--line); font-size: .8rem; color: var(--muted); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.steps li { padding: 28px 24px; border-radius: var(--radius); background: linear-gradient(180deg, var(--blue-soft), #fff 70%); border: 1px solid var(--line); }
.steps p { font-size: .96rem; margin: 0; }
.step-num { display: inline-block; font-size: .85rem; font-weight: 500; color: #fff; background: var(--navy); border-radius: 8px; padding: 3px 10px; margin-bottom: 16px; }

/* Stack */
.section-dark { background: var(--navy-deep); color: #c3cde3; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .section-sub { color: #9eabc8; }
.eyebrow-light { color: #8fb2ff; }
.stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
@media (max-width: 960px) { .stack-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .stack-grid { grid-template-columns: 1fr; } }
.stack-col h3 { font-size: .82rem; text-transform: uppercase; letter-spacing: .14em; color: #8fb2ff; margin-bottom: 16px; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-family: var(--mono); font-size: .82rem; padding: 6px 11px; border-radius: 8px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); color: #e4e9f5; }

/* Why */
.why { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
@media (max-width: 860px) { .why { grid-template-columns: 1fr; gap: 32px; } }
.why-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.why-list li { padding: 20px 22px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg-alt); font-size: .97rem; }
.why-list strong { color: var(--ink); display: block; margin-bottom: 2px; }

/* CTA / contact */
.section-cta { background: linear-gradient(135deg, var(--navy) 0%, #2a55c4 100%); color: #dfe7fb; }
.section-cta h2 { color: #fff; }
.cta-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
@media (max-width: 860px) { .cta-inner { grid-template-columns: 1fr; gap: 28px; } }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); padding: 26px; border-radius: var(--radius); }
@media (max-width: 520px) { .contact-form { grid-template-columns: 1fr; padding: 20px; } }
.contact-form .full { grid-column: 1 / -1; }
.contact-form label { display: flex; flex-direction: column; gap: 6px; font-size: .88rem; font-weight: 600; color: #fff; }
.contact-form input, .contact-form textarea { font: inherit; font-weight: 400; font-size: .98rem; padding: 11px 13px; border-radius: 9px; border: 1px solid rgba(255,255,255,.25); background: #fff; color: var(--ink); width: 100%; }
.contact-form input:focus, .contact-form textarea:focus { outline: 3px solid #8fb2ff; outline-offset: 1px; }
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form .invalid { border: 2px solid #ff9a9a; }
.validation-message { color: #ffd2d2; font-size: .82rem; font-weight: 500; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.optional { font-weight: 400; opacity: .75; }
.form-alt { font-size: .88rem; margin: 0; color: #c7d4f5; text-align: center; }
.form-alt a { color: #fff; }
.form-status { padding: 30px; border-radius: var(--radius); background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25); }
.form-status h3 { color: #fff; font-size: 1.4rem; }
.form-status p { margin: 0; }
.form-error { grid-column: 1 / -1; background: rgba(255,80,80,.15); border: 1px solid rgba(255,160,160,.4); padding: 10px 14px; border-radius: 9px; color: #fff; font-size: .92rem; margin: 0; }

/* Footer */
.site-footer { background: #0a1430; color: #8794b3; font-size: .9rem; padding: 30px 0; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-footer p { margin: 0; }
.site-footer span { color: #fff; }

/* Simple content pages */
.page { padding: 80px 0; min-height: 50vh; }

#blazor-error-ui { background: #fff3cd; bottom: 0; box-shadow: 0 -1px 2px rgba(0,0,0,.2); display: none; left: 0; padding: .6rem 1.25rem .7rem; position: fixed; width: 100%; z-index: 1000; }
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: .75rem; top: .5rem; }

/* ---------- Admin ---------- */
.btn-danger { background: #c62828; border-color: #c62828; }
.btn-danger:hover { background: #a91f1f; border-color: #a91f1f; box-shadow: none; }
.link-danger { background: none; border: 0; color: #c62828; font: inherit; font-size: .9rem; cursor: pointer; padding: 0 4px; margin-left: auto; }
.link-danger:hover { text-decoration: underline; }
.admin-error { background: #fdecec; border: 1px solid #f5c2c2; color: #8a1c1c; padding: 10px 14px; border-radius: 9px; font-size: .94rem; }

.admin-login .login-card { max-width: 420px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 30px; box-shadow: var(--shadow); }
.admin-login h1 { font-size: 2rem; }
.admin-form { display: grid; gap: 16px; }
.admin-form label { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; font-weight: 600; color: var(--ink); }
.admin-form input { font: inherit; font-weight: 400; padding: 11px 13px; border-radius: 9px; border: 1px solid #cfd7e6; width: 100%; }
.admin-form input:focus { outline: 3px solid #bcd0ff; outline-offset: 1px; border-color: var(--blue); }
.admin-form .validation-message { color: #b42318; }
.admin-form .invalid { border-color: #e57373; }

.admin { padding-top: 48px; }
.admin h1 { font-size: 2.2rem; margin: 0; }
.admin-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 26px; }
.admin-user { display: flex; align-items: center; gap: 14px; font-size: .9rem; color: var(--muted); }
.admin-user form { margin: 0; }
.admin-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; }
.seg { display: inline-flex; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 10px; padding: 3px; }
.seg button { font: inherit; font-size: .92rem; font-weight: 600; border: 0; background: none; padding: 7px 16px; border-radius: 8px; color: var(--muted); cursor: pointer; }
.seg button.on { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(15,23,42,.12); }
.seg .count { display: inline-block; min-width: 22px; padding: 0 6px; margin-left: 4px; border-radius: 999px; background: var(--navy); color: #fff; font-size: .78rem; line-height: 20px; text-align: center; }
.admin-empty { text-align: center; padding: 56px 16px; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); }

.inquiries { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.inquiry + .inquiry { border-top: 1px solid var(--line); }
.inquiry-summary { width: 100%; display: grid; grid-template-columns: 10px minmax(140px, 220px) 1fr auto; gap: 16px; align-items: center; padding: 15px 20px; background: none; border: 0; text-align: left; font: inherit; font-size: .95rem; color: var(--body); cursor: pointer; }
.inquiry-summary:hover { background: var(--bg-alt); }
.inquiry .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--blue); }
.inquiry.handled .dot { background: transparent; border: 1.5px solid #c3cbdb; }
.inquiry.handled .who strong, .inquiry.handled .preview { color: var(--muted); font-weight: 500; }
.who { display: flex; flex-direction: column; min-width: 0; }
.who strong { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.who .co { font-size: .82rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preview { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.inquiry time { font-size: .82rem; color: var(--muted); white-space: nowrap; }
.inquiry-body { padding: 4px 20px 22px 46px; }
.inquiry-body dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 18px; margin: 0 0 14px; font-size: .9rem; }
.inquiry-body dt { color: var(--muted); }
.inquiry-body dd { margin: 0; color: var(--ink); }
.inquiry-body .message { white-space: pre-wrap; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; color: var(--ink); font-size: .96rem; }
.inquiry-body .actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.confirm { font-size: .9rem; color: #8a1c1c; margin-left: auto; }
@media (max-width: 700px) {
  .inquiry-summary { grid-template-columns: 10px 1fr auto; }
  .inquiry-summary .preview { display: none; }
  .inquiry-body { padding-left: 20px; }
}