:root {
  --ink: #122033;
  --muted: #5b6b7f;
  --line: #dbe4ee;
  --soft: #f4f7fb;
  --white: #fff;
  --blue: #173e78;
  --red: #c81f32;
  --cyan: #2c8fbf;
  --green: #19705a;
  --shadow: 0 18px 50px rgba(18, 32, 51, .12);
  --radius: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background: var(--white);
}
a { color: inherit; text-decoration: none; }
p { color: var(--muted); margin: 0 0 1rem; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 1rem; letter-spacing: 0; }
h1 { font-size: clamp(2.2rem, 5vw, 4.7rem); max-width: 12ch; }
h2 { font-size: clamp(1.7rem, 3vw, 2.55rem); }
h3 { font-size: 1.15rem; }
.container { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }
.narrow { width: min(820px, calc(100% - 32px)); }
.skip-link {
  position: absolute; left: -999px; top: 12px; z-index: 10;
  background: var(--ink); color: var(--white); padding: .7rem 1rem; border-radius: var(--radius);
}
.skip-link:focus { left: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 1.2rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; min-width: max-content; }
.brand-mark {
  width: 42px; height: 42px; display: grid; place-items: center;
  color: var(--white); background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 6px; font-weight: 800; box-shadow: inset 0 -4px 0 rgba(200,31,50,.7);
}
.brand strong { display: block; font-size: 1rem; letter-spacing: .08em; }
.brand small { display: block; color: var(--muted); font-size: .78rem; }
.site-nav { display: flex; align-items: center; gap: .9rem; margin-left: auto; font-size: .92rem; }
.site-nav a { color: #314257; }
.site-nav a:hover { color: var(--red); }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: var(--white); border-radius: var(--radius); }
.nav-toggle span:not(.sr-only) { display: block; width: 18px; height: 2px; margin: 4px auto; background: var(--ink); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 46px; padding: .75rem 1rem; border-radius: var(--radius);
  border: 1px solid transparent; font-weight: 750; text-align: center;
}
.btn-primary { background: var(--red); color: var(--white); box-shadow: 0 12px 26px rgba(200,31,50,.22); }
.btn-primary:hover { background: #aa1728; }
.btn-secondary { background: #eaf1f8; color: var(--blue); border-color: #cddceb; }
.btn-outline { border-color: rgba(255,255,255,.35); color: var(--white); }
.text-link { color: var(--blue); font-weight: 750; }

.hero {
  position: relative; overflow: hidden;
  background:
    linear-gradient(90deg, rgba(23,62,120,.09), transparent 38%),
    linear-gradient(180deg, #fff, #f7faff);
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 5px;
  background: linear-gradient(90deg, var(--red) 0 33%, var(--white) 33% 66%, var(--blue) 66%);
}
.hero-grid { min-height: 620px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center; padding: 4rem 0; }
.eyebrow {
  color: var(--red); font-weight: 850; text-transform: uppercase; letter-spacing: .08em;
  font-size: .78rem; margin-bottom: .8rem;
}
.lead { font-size: 1.18rem; max-width: 720px; }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.6rem; }

.visual-placeholder {
  margin: 0; min-height: 330px; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(145deg, #f9fbfe, #e9f0f7); box-shadow: var(--shadow);
  display: grid; place-items: center; padding: 2rem; position: relative; overflow: hidden;
}
.visual-placeholder::after {
  content: ""; position: absolute; inset: auto 0 0; height: 5px;
  background: linear-gradient(90deg, var(--red), var(--white), var(--blue));
}
.device-shell {
  width: min(340px, 86%); aspect-ratio: 1.25; border: 14px solid #20364f; border-radius: 8px;
  background: #eef5fb; display: grid; grid-template-rows: 1fr 62px; box-shadow: 0 24px 45px rgba(18,32,51,.2);
}
.device-screen { padding: 1rem; display: grid; gap: .65rem; align-content: center; }
.device-screen span { display: block; height: 18px; border-radius: 3px; background: linear-gradient(90deg, var(--blue), var(--cyan)); }
.device-screen span:nth-child(2) { width: 74%; background: #cad7e5; }
.device-screen span:nth-child(3) { width: 58%; background: var(--red); }
.device-controls { display: flex; gap: .6rem; align-items: center; justify-content: center; background: #fff; border-top: 1px solid #c8d6e6; }
.device-controls i { width: 30px; height: 30px; border-radius: 50%; background: #dce7f2; }
.visual-placeholder figcaption { position: absolute; left: 1rem; bottom: 1rem; font-weight: 800; color: var(--ink); background: rgba(255,255,255,.82); padding: .35rem .55rem; border-radius: 6px; }
.compact-visual { min-height: 280px; }

.section { padding: 4.5rem 0; }
.section.light { background: var(--soft); border-block: 1px solid var(--line); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.trust-strip, .reference-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem;
}
.trust-strip span, .reference-strip span {
  padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--white); font-weight: 750; color: #26384f; text-align: center;
}
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 1.5rem; }
.feature-card, .post-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem; background: var(--white);
  min-height: 190px;
}
.feature-card:hover, .post-card:hover { box-shadow: 0 12px 35px rgba(18,32,51,.08); }
.card-icon {
  display: inline-grid; place-items: center; min-width: 38px; height: 38px; padding: 0 .45rem;
  border-radius: 6px; background: #eef4fb; color: var(--blue); font-weight: 900; margin-bottom: .9rem;
}
.norm-note { background: #fff8f0; border-block: 1px solid #ecd5bd; }
.note { padding: 1rem; border-left: 4px solid var(--blue); background: #f0f5fb; color: #33465c; }
.city-list { display: flex; flex-wrap: wrap; gap: .55rem; }
.city-list span { border: 1px solid var(--line); border-radius: 999px; padding: .45rem .7rem; background: var(--white); color: #34495f; }
.faq-list { margin-top: 1.5rem; display: grid; gap: .75rem; }
details { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; background: var(--white); }
summary { cursor: pointer; font-weight: 800; }
details p { margin: .8rem 0 0; }
.cta-band { padding: 3rem 0; background: #122033; color: var(--white); }
.cta-band p { color: #c8d6e6; }
.cta-grid { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }

.breadcrumbs { padding-top: 1rem; font-size: .9rem; color: var(--muted); display: flex; gap: .45rem; flex-wrap: wrap; }
.breadcrumbs a { color: var(--blue); }
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 1.4rem; }
.post-card span { color: var(--red); font-size: .78rem; text-transform: uppercase; font-weight: 800; }
.article h1 { max-width: 900px; font-size: clamp(2rem, 4vw, 3.5rem); }
.article h2 { margin-top: 2rem; font-size: 1.55rem; }
.article .btn { margin-top: 1rem; }

.form-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 2rem; align-items: start; }
.contact-aside { display: grid; gap: .55rem; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; background: var(--soft); }
.contact-aside span { color: var(--muted); }
.contact-form { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem; background: var(--white); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
label { display: grid; gap: .35rem; color: #24364b; font-weight: 750; }
input, select, textarea {
  width: 100%; border: 1px solid #cbd8e6; border-radius: 6px; padding: .8rem;
  font: inherit; color: var(--ink); background: var(--white);
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(44,143,191,.22); border-color: var(--cyan); }
.span-2 { grid-column: span 2; }
.hp-field { position: absolute; left: -9999px; opacity: 0; }
.form-alert { border: 1px solid #f0b2b9; background: #fff1f3; padding: 1rem; border-radius: var(--radius); margin-bottom: 1rem; }
.form-alert ul { margin-bottom: 0; }
.form-note { font-size: .9rem; margin-top: .8rem; }
.success-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; background: var(--soft); }

.site-footer { background: #0e1928; color: var(--white); padding: 3rem 0 1rem; }
.site-footer p, .site-footer small { color: #b8c7d7; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.footer-grid h2 { font-size: 1rem; }
.footer-grid a:not(.brand):not(.btn) { display: block; color: #dce6f0; margin: .45rem 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 2rem; padding-top: 1rem; }

@media (max-width: 980px) {
  .nav-toggle { display: block; margin-left: auto; }
  .site-nav {
    display: none; position: absolute; left: 16px; right: 16px; top: 76px;
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1rem; box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: grid; }
  .nav-cta { display: none; }
  .hero-grid, .split, .form-layout { grid-template-columns: 1fr; }
  .hero-grid { min-height: auto; gap: 2rem; }
  h1 { max-width: 100%; }
  .feature-grid, .trust-strip, .reference-strip, .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .container, .narrow { width: min(100% - 24px, 1140px); }
  .hero-grid { padding: 2.4rem 0; }
  .section { padding: 3rem 0; }
  .hero-actions, .cta-grid { align-items: stretch; flex-direction: column; }
  .feature-grid, .trust-strip, .reference-strip, .post-grid, .footer-grid, .form-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
  .visual-placeholder { min-height: 250px; padding: 1rem; }
  .brand strong { font-size: .9rem; }
}