/* Константа — стилі сайту */

:root {
  --navy-900: #0f1e3d;
  --navy-800: #152a54;
  --navy-700: #1e3a6e;
  --navy-100: #e8edf7;
  --gold-500: #c9a227;
  --gold-600: #a88617;
  --text:     #1b2437;
  --muted:    #5a6478;
  --bg:       #ffffff;
  --bg-soft:  #f7f9fc;
  --border:   #dde3ee;
  --radius:   10px;
  --shadow-sm: 0 1px 2px rgba(15, 30, 61, .06);
  --shadow-md: 0 6px 24px rgba(15, 30, 61, .08);
  --container: 1180px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter-variable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: var(--navy-700); text-decoration: none; transition: color .15s; }
a:hover { color: var(--gold-600); }

h1, h2, h3 { color: var(--navy-900); line-height: 1.2; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-top: 0; }
h3 { font-size: 1.2rem; }
p  { margin: 0 0 1em; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--navy-900); color: #fff; padding: 10px 14px; z-index: 100; }
.skip-link:focus { left: 10px; top: 10px; }

/* Кнопки */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s;
  text-align: center;
}
.btn-primary {
  background: var(--gold-500);
  color: var(--navy-900);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--gold-600); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent;
  color: var(--navy-900);
  border-color: var(--navy-900);
}
.btn-outline:hover { background: var(--navy-900); color: #fff; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; color: var(--navy-900); }
.logo-mark {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  background: var(--navy-900); color: var(--gold-500);
  border-radius: 8px; font-weight: 800;
}
.site-nav .nav-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 26px; align-items: center;
}
.site-nav a { color: var(--text); font-weight: 500; }
.site-nav a[aria-current="page"] { color: var(--navy-900); border-bottom: 2px solid var(--gold-500); }
.nav-cta {
  background: var(--navy-900); color: #fff !important;
  padding: 10px 18px; border-radius: 8px;
  border-bottom: none !important;
}
.nav-cta:hover { background: var(--gold-500); color: var(--navy-900) !important; }

.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 40px; height: 40px; padding: 8px;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--navy-900); margin: 5px 0; transition: transform .2s; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: #fff;
  padding: 80px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute; right: -120px; top: -120px;
  width: 400px; height: 400px;
  background: var(--gold-500); opacity: .08;
  border-radius: 50%;
}
.hero h1 { color: #fff; max-width: 20ch; }
.hero .lead { font-size: 1.2rem; max-width: 56ch; color: #dfe6f5; margin-bottom: 32px; }
.hero-meta { display: flex; gap: 28px; margin-top: 40px; flex-wrap: wrap; color: #c9d3e8; font-size: .95rem; }
.hero-meta b { color: var(--gold-500); font-size: 1.6rem; display: block; font-weight: 700; }

/* Секції */
section { padding: 70px 0; }
section.alt { background: var(--bg-soft); }
.section-head { max-width: 70ch; margin-bottom: 40px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* Grid карток */
.grid { display: grid; gap: 24px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card h3 { margin-bottom: 10px; }
.card .meta { color: var(--muted); font-size: .9rem; margin-bottom: 12px; }
.card .tag {
  display: inline-block; font-size: .8rem; font-weight: 600;
  color: var(--navy-700); background: var(--navy-100);
  padding: 4px 10px; border-radius: 12px; margin-bottom: 14px;
}

/* Pain block */
.pain-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.pain-list li {
  padding: 18px 20px 18px 52px; background: #fff;
  border-radius: var(--radius); border-left: 4px solid var(--gold-500);
  position: relative; box-shadow: var(--shadow-sm);
}
.pain-list li::before {
  content: '!'; position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px; background: var(--gold-500); color: var(--navy-900);
  border-radius: 50%; display: grid; place-items: center; font-weight: 800;
}

/* Таблиця порівняння */
.compare-table {
  width: 100%; border-collapse: collapse; background: #fff;
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
}
.compare-table th, .compare-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--border); }
.compare-table thead th { background: var(--navy-900); color: #fff; font-weight: 600; }
.compare-table td:first-child { font-weight: 600; color: var(--navy-900); }
.compare-table .good { color: #1a7f4a; font-weight: 600; }
.compare-table .bad  { color: #b23a2a; }

/* Форма */
.form-box {
  background: #fff; padding: 32px; border-radius: var(--radius);
  box-shadow: var(--shadow-md); border: 1px solid var(--border);
  max-width: 560px;
}
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-weight: 500; margin-bottom: 6px; font-size: .95rem; }
.form-row input, .form-row textarea {
  width: 100%; padding: 12px 14px; font-size: 1rem; font-family: inherit;
  border: 1px solid var(--border); border-radius: 8px; background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none; border-color: var(--navy-700);
  box-shadow: 0 0 0 3px rgba(30, 58, 110, .12);
}
.form-row textarea { min-height: 110px; resize: vertical; }
.honeypot { position: absolute; left: -9999px; top: -9999px; }
.form-note { font-size: .85rem; color: var(--muted); margin-top: 10px; }

/* CTA band */
.cta-band {
  background: var(--navy-900); color: #fff; text-align: center;
  padding: 70px 20px;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #c9d3e8; max-width: 60ch; margin: 0 auto 28px; }

/* Відгук */
.review {
  background: #fff; padding: 28px; border-radius: var(--radius);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.review blockquote { margin: 0 0 16px; font-style: italic; color: var(--text); }
.review .author { font-weight: 600; color: var(--navy-900); }
.review .role { color: var(--muted); font-size: .9rem; }
.review .stars { color: var(--gold-500); margin-bottom: 10px; letter-spacing: 2px; }

/* Footer */
.site-footer { background: var(--navy-900); color: #c9d3e8; padding: 60px 0 20px; margin-top: 80px; }
.site-footer h3 { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 14px; }
.site-footer a { color: #c9d3e8; }
.site-footer a:hover { color: var(--gold-500); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.logo--footer { color: #fff; margin-bottom: 12px; }
.logo--footer .logo-text { color: #fff; }
.footer-tag { color: #9fadc7; font-size: .95rem; max-width: 40ch; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px; font-size: .85rem; color: #8594af; }

/* Hero CTA */
.hero .btn { margin-right: 10px; }
.hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* Breadcrumbs */
.crumbs { font-size: .9rem; color: var(--muted); margin-bottom: 20px; }
.crumbs a { color: var(--muted); }

/* Responsive */
@media (max-width: 900px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  section { padding: 50px 0; }
  .hero { padding: 60px 0; }
  .nav-toggle { display: block; }
  .nav-list {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    padding: 10px 20px 20px;
    display: none;
  }
  .nav-list.open { display: flex; }
  .nav-list li { width: 100%; }
  .nav-list a { display: block; padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-cta { margin-top: 10px; text-align: center; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .compare-table { font-size: .9rem; }
  .compare-table th, .compare-table td { padding: 12px; }
}