/* Nodjes Design System */
:root {
  --navy: #0F172A;
  --navy-2: #1E293B;
  --cyan: #22D3EE;
  --cyan-2: #06B6D4;
  --bg: #FFFFFF;
  --bg-alt: #F8FAFC;
  --text: #0F172A;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --card: #FFFFFF;
  --shadow: 0 8px 24px rgba(15,23,42,.08);
  --radius: 12px;
  --max: 1200px;
}
[data-theme="dark"] {
  --bg: #0B1220;
  --bg-alt: #0F172A;
  --text: #E2E8F0;
  --text-muted: #94A3B8;
  --border: #1E293B;
  --card: #111B2E;
  --shadow: 0 8px 24px rgba(0,0,0,.4);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan-2); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .85; }
h1,h2,h3,h4 { color: var(--text); line-height: 1.2; margin: 0 0 .6em; font-weight: 700; letter-spacing: -.02em; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
.muted { color: var(--text-muted); }
.not-italic { font-style: normal; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--navy); color: #fff; padding: 8px 12px; z-index: 999; }

/* Header / Nav */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; gap: 16px; }
.logo img { height: 38px; width: auto; }
.nav-menu { display: flex; align-items: center; gap: 22px; }
.nav-link { color: var(--text); font-weight: 500; font-size: .95rem; }
.nav-link.active { color: var(--cyan-2); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); display: block; }
.theme-toggle { background: none; border: 1px solid var(--border); border-radius: 999px; width: 36px; height: 36px; cursor: pointer; color: var(--text); }
.theme-toggle .t-dark { display: none; }
[data-theme="dark"] .theme-toggle .t-light { display: none; }
[data-theme="dark"] .theme-toggle .t-dark { display: inline; }
.lang-toggle { font-weight: 600; color: var(--text); border: 1px solid var(--border); border-radius: 999px; padding: 6px 12px; font-size: .85rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 10px; font-weight: 600; cursor: pointer; border: 1px solid transparent; transition: transform .15s, box-shadow .15s, background .15s; font-size: .95rem; text-align: center; }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn-primary { background: linear-gradient(135deg, var(--cyan), var(--cyan-2)); color: #06222A; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(34,211,238,.35); opacity: 1; }
.btn-secondary { background: var(--navy); color: #fff; }
.btn-secondary:hover { background: var(--navy-2); opacity: 1; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }

/* Hero */
.hero { position: relative; padding: 80px 0 100px; overflow: hidden; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero h1 span { background: linear-gradient(135deg, var(--cyan-2), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 1.15rem; color: var(--text-muted); max-width: 560px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.hero-visual { position: relative; }
.hero-visual img { border-radius: 16px; box-shadow: var(--shadow); }
.hero-stats { display: flex; gap: 24px; margin-top: 40px; flex-wrap: wrap; }
.stat { padding: 16px 20px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; min-width: 140px; }
.stat strong { font-size: 1.6rem; color: var(--cyan-2); display: block; }

/* Sections */
section.block { padding: 80px 0; }
section.alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .eyebrow { color: var(--cyan-2); font-weight: 600; text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; }

/* Cards / Grid */
.grid { display: grid; gap: 24px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(15,23,42,.12); }
.card .icon { width: 48px; height: 48px; border-radius: 12px; background: linear-gradient(135deg, var(--cyan), var(--cyan-2)); display: flex; align-items: center; justify-content: center; color: #06222A; font-weight: 700; font-size: 1.4rem; margin-bottom: 16px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--text-muted); margin: 0; }

/* Portfolio */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.portfolio-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .25s; }
.portfolio-item:hover { transform: translateY(-6px); }
.portfolio-item img { aspect-ratio: 4/3; object-fit: cover; }
.portfolio-item .body { padding: 20px; }
.portfolio-item h3 { margin-bottom: 4px; }
.portfolio-item .tag { display: inline-block; background: var(--bg-alt); color: var(--text-muted); padding: 3px 10px; border-radius: 999px; font-size: .75rem; margin-bottom: 10px; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.price-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 24px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.price-card.featured { border-color: var(--cyan-2); position: relative; transform: scale(1.02); }
.price-card.featured::before { content: 'POPULAR'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--cyan-2); color: #06222A; font-size: .7rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; letter-spacing: .1em; }
.price-card h3 { font-size: 1.1rem; }
.price { font-size: 2.4rem; font-weight: 700; color: var(--text); margin: 12px 0 4px; }
.price small { font-size: .85rem; color: var(--text-muted); font-weight: 400; }
.price-uah { color: var(--text-muted); font-size: .9rem; margin-bottom: 20px; }
.feat-list { list-style: none; padding: 0; margin: 16px 0 24px; flex: 1; }
.feat-list li { padding: 8px 0; padding-left: 28px; position: relative; color: var(--text); font-size: .95rem; border-bottom: 1px solid var(--border); }
.feat-list li::before { content: '✓'; position: absolute; left: 0; color: var(--cyan-2); font-weight: 700; }
.feat-list li:last-child { border-bottom: 0; }

/* Forms */
.form-grid { display: grid; gap: 18px; max-width: 640px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-weight: 500; font-size: .9rem; }
.field input, .field select, .field textarea {
  background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; font: inherit; font-size: .95rem;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--cyan-2); box-shadow: 0 0 0 3px rgba(34,211,238,.15); }
.alert { padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; }
.alert-success { background: rgba(34,211,238,.12); color: var(--cyan-2); border: 1px solid var(--cyan-2); }
.alert-error { background: rgba(239,68,68,.1); color: #ef4444; border: 1px solid #ef4444; }

/* Contact split */
.contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.contact-info .info-block { padding: 18px 0; border-bottom: 1px solid var(--border); }
.contact-info h4 { margin: 0 0 4px; font-size: 1rem; }
.map-embed { width: 100%; aspect-ratio: 16/10; background: var(--bg-alt); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); border: 1px dashed var(--border); margin-top: 24px; }

/* Testimonials */
.testimonial { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.testimonial p { font-style: italic; color: var(--text); }
.testimonial .who { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--cyan), var(--cyan-2)); display: flex; align-items: center; justify-content: center; color: #06222A; font-weight: 700; }

/* Blog */
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.blog-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.blog-card .meta { color: var(--text-muted); font-size: .85rem; margin-bottom: 8px; }

/* Page hero */
.page-hero { padding: 70px 0 50px; background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%); text-align: center; }
.page-hero p { color: var(--text-muted); max-width: 680px; margin: 0 auto; font-size: 1.05rem; }

/* CTA */
.cta-band { background: linear-gradient(135deg, var(--navy), var(--navy-2)); color: #fff; padding: 64px 0; text-align: center; border-radius: 16px; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.8); max-width: 640px; margin: 0 auto 24px; }

/* Footer */
.site-footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 64px 0 24px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { margin-bottom: 16px; }
.footer-list { list-style: none; padding: 0; margin: 0; }
.footer-list li { padding: 4px 0; }
.footer-list a { color: var(--text-muted); }
.footer-list a:hover { color: var(--cyan-2); }
.site-footer h4 { font-size: .95rem; margin-bottom: 16px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--border); flex-wrap: wrap; gap: 16px; }
.footer-bottom p { margin: 0; color: var(--text-muted); font-size: .9rem; }
.legal-links { display: flex; gap: 18px; list-style: none; padding: 0; margin: 0; flex-wrap: wrap; }
.legal-links a { color: var(--text-muted); font-size: .9rem; }

/* Cookie banner */
.cookie-banner { position: fixed; bottom: 16px; left: 16px; right: 16px; background: var(--card); border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 16px 40px rgba(0,0,0,.2); z-index: 100; padding: 18px 0; }
.cookie-inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 20px; align-items: center; }
.cookie-options { display: flex; gap: 16px; flex-wrap: wrap; font-size: .9rem; }
.cookie-options label { display: flex; align-items: center; gap: 6px; }
.cookie-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

/* Legal pages */
.legal-content { max-width: 820px; margin: 0 auto; }
.legal-content h2 { margin-top: 32px; font-size: 1.5rem; }
.legal-content h3 { margin-top: 24px; font-size: 1.15rem; }

/* Animations */
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.float { animation: float 6s ease-in-out infinite; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; }
.reveal.in { animation: fadeUp .7s forwards; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .grid.cols-3, .grid.cols-4, .pricing-grid, .portfolio-grid, .blog-grid, .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .price-card.featured { transform: none; }
}
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-menu { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); padding: 20px; flex-direction: column; align-items: flex-start; gap: 14px; border-bottom: 1px solid var(--border); }
  body.nav-open .nav-menu { display: flex; }
  .grid.cols-3, .grid.cols-4, .pricing-grid, .portfolio-grid, .blog-grid, .footer-grid, .form-row { grid-template-columns: 1fr; }
  .cookie-inner { grid-template-columns: 1fr; }
  .cookie-actions { justify-content: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  section.block { padding: 56px 0; }
}