:root {
  --navy: #08233d;
  --blue: #0f68aa;
  --sky: #38a8df;
  --cyan: #7ad8ee;
  --ink: #152636;
  --muted: #5c6b77;
  --paper: #ffffff;
  --soft: #eff8fc;
  --line: #dce9f0;
  --good: #0d7568;
  --shadow: 0 18px 45px rgba(8,35,61,.11);
  --radius: 20px;
  --shell: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}
a { color: inherit; }
img, svg { max-width: 100%; }
.shell { width: min(var(--shell), calc(100% - 40px)); margin-inline: auto; }

.topline {
  background: var(--navy);
  color: #dff6ff;
  text-align: center;
  padding: 7px 20px;
  font-size: 12px;
  letter-spacing: .025em;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(13,73,112,.1);
}
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); }
.brand-mark { width: 48px; height: 48px; color: var(--blue); display: grid; place-items: center; }
.brand-copy { display: flex; align-items: baseline; gap: 5px; line-height: 1; }
.brand-copy strong { font-size: 24px; letter-spacing: -.04em; }
.brand-copy small { font-weight: 700; color: var(--blue); }
.main-nav { display: flex; align-items: center; gap: 7px; }
.main-nav a { text-decoration: none; font-size: 14px; font-weight: 750; padding: 10px 11px; border-radius: 10px; color: #32495b; }
.main-nav a:hover, .main-nav a.active { background: var(--soft); color: var(--blue); }
.main-nav .nav-cta { background: var(--blue); color: #fff; padding-inline: 15px; }
.main-nav .nav-cta:hover { background: var(--navy); color: #fff; }
.menu-toggle { display: none; border: 0; background: var(--soft); color: var(--navy); border-radius: 10px; font-size: 24px; padding: 8px 12px; }

.hero {
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at 85% 15%, rgba(122,216,238,.45), transparent 33%),
    radial-gradient(circle at 12% 70%, rgba(56,168,223,.16), transparent 29%),
    linear-gradient(135deg, #f9fdff 0%, #e8f7fd 100%);
  border-bottom: 1px solid var(--line);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(15,104,170,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(15,104,170,.05) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 86%);
  pointer-events: none;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.18fr .82fr; gap: 58px; align-items: center; min-height: 610px; padding: 72px 0; }
.eyebrow { color: var(--blue); text-transform: uppercase; letter-spacing: .13em; font-weight: 850; font-size: 13px; }
.hero h1 { margin: 10px 0 20px; color: var(--navy); font-size: clamp(44px, 6vw, 82px); line-height: .97; letter-spacing: -.055em; max-width: 850px; }
.hero h1 span { display: block; color: var(--blue); }
.hero p { max-width: 720px; font-size: 19px; color: #3f586a; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 18px; border-radius: 12px; font-weight: 850; text-decoration: none; border: 1px solid transparent; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 11px 28px rgba(15,104,170,.22); }
.btn-primary:hover { background: var(--navy); }
.btn-secondary { border-color: #b9d7e7; background: rgba(255,255,255,.7); color: var(--navy); }
.btn-secondary:hover { background: #fff; }
.hero-note { margin-top: 12px; font-size: 13px; color: var(--muted); }

.signal-card {
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(15,104,170,.15);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 28px;
}
.signal-visual { height: 230px; display: grid; place-items: center; border-radius: 22px; background: linear-gradient(145deg, #07223c, #0b416d); color: #8ee5fa; position: relative; overflow: hidden; }
.signal-visual::before, .signal-visual::after { content: ""; position: absolute; border: 2px solid rgba(142,229,250,.22); border-radius: 50%; }
.signal-visual::before { width: 240px; height: 240px; }
.signal-visual::after { width: 360px; height: 360px; }
.signal-icon { width: 150px; z-index: 2; }
.price-block { display: flex; justify-content: space-between; gap: 20px; align-items: end; padding-top: 22px; }
.price-block strong { font-size: 42px; color: var(--navy); line-height: 1; }
.price-block del { color: #8a98a3; }
.price-block small { color: var(--muted); }

.trustbar { background: var(--navy); color: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-item { padding: 20px 28px; text-align: center; border-right: 1px solid rgba(255,255,255,.12); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; font-size: 18px; }
.trust-item span { font-size: 13px; color: #bfe9f8; }

.section { padding: 84px 0; }
.section-soft { background: var(--soft); }
.section-dark { background: var(--navy); color: #fff; }
.section-head { max-width: 770px; margin-bottom: 38px; }
.section-head h2 { margin: 5px 0 12px; color: var(--navy); font-size: clamp(34px, 4.2vw, 52px); letter-spacing: -.04em; line-height: 1.05; }
.section-dark .section-head h2 { color: #fff; }
.section-head p { margin: 0; color: var(--muted); font-size: 18px; }
.section-dark .section-head p { color: #c8e8f3; }

.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: 0 10px 28px rgba(8,35,61,.055); }
.card h3 { color: var(--navy); font-size: 24px; margin: 0 0 8px; letter-spacing: -.025em; }
.card p { color: var(--muted); }
.card ul { margin: 20px 0 0; padding: 0; list-style: none; }
.card li { margin: 10px 0; padding-left: 26px; position: relative; }
.card li::before { content: "✓"; position: absolute; left: 0; color: var(--good); font-weight: 900; }
.card-feature { border-top: 5px solid var(--blue); }
.offer-badge { display: inline-block; padding: 5px 10px; border-radius: 999px; background: #e1f6ef; color: var(--good); font-size: 12px; font-weight: 900; text-transform: uppercase; letter-spacing: .07em; }
.big-price { font-size: 56px; color: var(--navy); font-weight: 900; line-height: 1; margin: 10px 0 0; letter-spacing: -.05em; }
.subprice { color: var(--muted); font-size: 14px; }

.problem-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; align-items: start; }
.problem-list { display: grid; gap: 14px; }
.problem { border-left: 4px solid var(--sky); background: #fff; border-radius: 0 14px 14px 0; padding: 18px 20px; box-shadow: 0 8px 24px rgba(8,35,61,.05); }
.problem strong { color: var(--navy); }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step { position: relative; border: 1px solid rgba(255,255,255,.15); border-radius: 18px; padding: 25px; background: rgba(255,255,255,.055); }
.step::before { counter-increment: step; content: "0" counter(step); color: var(--cyan); font-size: 13px; font-weight: 900; letter-spacing: .1em; }
.step h3 { margin: 8px 0; font-size: 20px; }
.step p { margin: 0; color: #c9e6f0; font-size: 14px; }

.quote { font-size: clamp(28px, 4vw, 46px); line-height: 1.16; letter-spacing: -.035em; color: var(--navy); font-weight: 850; max-width: 980px; }
.quote em { color: var(--blue); font-style: normal; }

.page-hero { padding: 76px 0 62px; background: linear-gradient(135deg, #eef9fd, #fff); border-bottom: 1px solid var(--line); }
.page-hero h1 { margin: 8px 0 14px; color: var(--navy); font-size: clamp(42px, 6vw, 70px); letter-spacing: -.05em; line-height: 1; }
.page-hero p { max-width: 820px; font-size: 19px; color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: start; }
.callout { background: linear-gradient(145deg, #0a2b49, #0d5c91); color: #fff; border-radius: 24px; padding: 34px; box-shadow: var(--shadow); }
.callout h2, .callout h3 { margin-top: 0; }
.callout p { color: #d7edf6; }
.callout .btn-secondary { color: #fff; border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.08); }

.service-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.service { border: 1px solid var(--line); border-radius: 17px; padding: 22px; }
.service h3 { margin: 0 0 6px; color: var(--navy); font-size: 20px; }
.service p { margin: 0; color: var(--muted); }

details { border: 1px solid var(--line); border-radius: 14px; padding: 0 18px; background: #fff; margin-bottom: 11px; }
summary { cursor: pointer; color: var(--navy); font-weight: 800; padding: 18px 0; }
details p { color: var(--muted); margin-top: 0; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; }
.contact-panel { background: var(--navy); color: #fff; border-radius: 22px; padding: 30px; }
.contact-panel a { color: #fff; display: block; font-size: 20px; font-weight: 800; margin: 12px 0; }
.contact-panel p { color: #cce6f0; }
form { display: grid; gap: 15px; }
label { display: grid; gap: 6px; font-size: 13px; font-weight: 850; color: var(--navy); }
input, textarea, select { width: 100%; border: 1px solid #bfd3df; border-radius: 11px; padding: 13px 14px; font: inherit; color: var(--ink); background: #fff; }
textarea { min-height: 150px; resize: vertical; }

.site-footer { background: #061b2d; color: #d6eaf3; padding: 54px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 40px; }
.footer-grid h3 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .08em; }
.footer-grid a, .footer-grid span { color: #c8e3ed; display: block; text-decoration: none; margin: 7px 0; }
.footer-brand { color: #fff; font-weight: 900; font-size: 25px; }
.footer-slogan { color: var(--cyan); font-weight: 900; letter-spacing: .04em; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 35px; padding-top: 18px; font-size: 12px; color: #8fb1c1; }

@media (max-width: 900px) {
  .hero-grid, .split, .problem-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 30px; min-height: 0; }
  .cards-3, .steps { grid-template-columns: repeat(2, 1fr); }
  .main-nav { display: none; position: absolute; top: 78px; right: 20px; left: 20px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 15px; padding: 12px; flex-direction: column; align-items: stretch; }
  .main-nav.open { display: flex; }
  .menu-toggle { display: block; }
  .main-nav a { text-align: center; }
}
@media (max-width: 640px) {
  .shell { width: min(100% - 28px, var(--shell)); }
  .topline { font-size: 10px; }
  .cards-2, .cards-3, .steps, .service-list, .trust-grid, .footer-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .hero-grid { padding: 52px 0; }
  .hero h1 { font-size: 46px; }
  .section { padding: 60px 0; }
  .signal-card { padding: 18px; }
  .price-block { align-items: start; flex-direction: column; }
}