/* ========================================================================
   СОВ АЙТІ — design system
   ======================================================================== */
:root {
  --bg: #0b0d10;
  --bg-2: #11141a;
  --bg-3: #181c25;
  --line: #232834;
  --line-2: #2c3242;
  --ink: #e9ecf2;
  --ink-mute: #9aa3b2;
  --ink-dim: #6b7384;
  --accent: #4d8bff;
  --accent-2: #f2b541;
  --ok: #7ee0a7;
  --warn: #f2b541;
  --grad: linear-gradient(135deg, #4d8bff 0%, #7c5cff 100%);

  --font-display: "Fraunces", "Georgia", serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --font-body: "Fraunces", Georgia, serif;

  --maxw: 1240px;
  --pad-x: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent); }

img, svg { display: block; max-width: 100%; }

button {
  background: none; border: none; color: inherit; cursor: pointer;
  font-family: inherit;
}

::selection { background: var(--accent); color: #fff; }

/* ========================================================================
   NAV
   ======================================================================== */
.nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: clamp(20px, 4vw, 40px);
  padding: 18px var(--pad-x);
  background: rgba(11, 13, 16, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.logo {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink);
}
.logo:hover { color: var(--accent); }
.logo-text {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.logo-text em {
  font-style: normal;
  color: var(--accent);
}

.nav-links {
  display: flex; gap: 28px; margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links a { color: var(--ink-mute); }
.nav-links a:hover { color: var(--ink); }

.lang-switch {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 12px;
  border: 1px solid var(--line-2);
  padding: 6px 12px; border-radius: 999px;
  color: var(--ink-mute);
}
.lang-switch button { font-family: inherit; font-size: inherit; color: inherit; }
.lang-switch button.active { color: var(--accent); font-weight: 700; }
.lang-switch button:hover { color: var(--ink); }

.burger {
  display: none; flex-direction: column; gap: 4px; padding: 6px;
}
.burger span {
  width: 22px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}

/* ========================================================================
   HERO
   ======================================================================== */
.hero {
  position: relative;
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: clamp(30px, 6vw, 80px);
  padding: clamp(60px, 10vw, 120px) var(--pad-x) clamp(60px, 10vw, 120px);
  max-width: var(--maxw); margin: 0 auto;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 30% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 30% 30%, #000 30%, transparent 80%);
  opacity: 0.5;
}

.hero-inner { position: relative; z-index: 2; }

.hero-meta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--line-2); border-radius: 999px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--ink-mute); letter-spacing: 0.06em;
  margin-bottom: 32px;
}
.hero-meta .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 12px var(--ok);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(40px, 7vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}
.hero-title .line {
  display: block;
  opacity: 0;
  transform: translateY(20px);
  animation: rise .8s cubic-bezier(.2,.8,.2,1) forwards;
}
.hero-title .line:nth-child(1) { animation-delay: .1s; }
.hero-title .line:nth-child(2) { animation-delay: .25s; }
.hero-title .line:nth-child(3) { animation-delay: .4s; }
.hero-title .accent {
  font-style: italic;
  font-weight: 400;
  color: var(--accent-2);
}
@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

.hero-sub {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--ink-mute);
  max-width: 540px;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-bottom: 60px;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px;
  font-family: var(--font-mono);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  border-radius: 4px;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}
.btn-ghost {
  border-color: var(--line-2);
  color: var(--ink-mute);
}
.btn-ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.btn-lg { padding: 18px 32px; font-size: 14px; }

.hero-stats {
  display: flex; gap: clamp(20px, 4vw, 50px);
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.hero-stats > div {
  display: flex; flex-direction: column;
}
.hero-stats b {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 3vw, 38px);
  color: var(--ink);
}
.hero-stats small {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-top: 4px;
}

.hero-side {
  position: relative; z-index: 2;
  align-self: center;
}

.terminal {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.4), 0 0 0 1px rgba(77,139,255,.06);
  transform: rotate(-1deg);
}
.terminal-bar {
  display: flex; gap: 6px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-3);
}
.terminal-bar i {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--line-2);
}
.terminal-bar i:first-child { background: #ff5f56; }
.terminal-bar i:nth-child(2) { background: #ffbd2e; }
.terminal-bar i:nth-child(3) { background: #27c93f; }
.terminal pre {
  padding: 18px 20px;
  color: var(--ink);
  line-height: 1.7;
  white-space: pre-wrap;
  font-family: inherit;
}
.c-mute { color: var(--ink-dim); }
.c-ok { color: var(--ok); }
.c-acc { color: var(--accent-2); }

/* ========================================================================
   SECTION HEAD
   ======================================================================== */
.section-head {
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 var(--pad-x) 50px;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.12em;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}
.section-head h2,
.about h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  max-width: 900px;
}
.section-head p {
  font-size: 17px;
  color: var(--ink-mute);
  max-width: 640px;
}

/* ========================================================================
   SERVICES
   ======================================================================== */
.services {
  padding: clamp(60px, 10vw, 120px) 0;
  border-top: 1px solid var(--line);
}
.services-grid {
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color .25s ease, transform .25s ease;
}
.service:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.service-accent {
  background: linear-gradient(180deg, var(--bg-3) 0%, var(--bg-2) 100%);
  border-color: var(--line-2);
}
.service-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.service h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 24px;
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.service p {
  color: var(--ink-mute);
  margin-bottom: 22px;
  font-size: 15px;
}
.service ul {
  list-style: none;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.service ul li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  padding: 6px 0 6px 16px;
  position: relative;
}
.service ul li::before {
  content: "→";
  position: absolute; left: 0;
  color: var(--accent);
}

/* ========================================================================
   APPROACH
   ======================================================================== */
.approach {
  padding: clamp(60px, 10vw, 120px) 0;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.steps {
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 var(--pad-x);
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.steps li {
  padding: 30px 0 0;
  border-top: 2px solid var(--line-2);
  position: relative;
}
.steps li:hover { border-top-color: var(--accent); }
.step-n {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-2);
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 18px;
}
.steps h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.steps p {
  color: var(--ink-mute);
  font-size: 15px;
  line-height: 1.55;
}

/* ========================================================================
   ABOUT
   ======================================================================== */
.about {
  padding: clamp(60px, 10vw, 120px) var(--pad-x);
  max-width: var(--maxw); margin: 0 auto;
}
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-text p {
  color: var(--ink-mute);
  margin-top: 18px;
  font-size: 17px;
  max-width: 560px;
}
.about-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
}
.about-card dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.about-card dt {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.about-card dd {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.about-card dl > dt:not(:first-child) { margin-top: 6px; }
.about-card dd:last-child { border-bottom: 0; padding-bottom: 0; }

/* ========================================================================
   CTA BLOCK
   ======================================================================== */
.cta-block {
  text-align: center;
  padding: clamp(70px, 10vw, 130px) var(--pad-x);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(77,139,255,0.08), transparent 70%),
    var(--bg);
}
.cta-block h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 800px;
  margin: 0 auto 40px;
}

/* ========================================================================
   FOOTER
   ======================================================================== */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 70px var(--pad-x) 30px;
}
.footer-grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--line);
}
.footer-brand p {
  color: var(--ink-mute);
  font-size: 14px;
  margin-top: 14px;
  max-width: 220px;
}
.logo-footer .logo-text { font-size: 13px; }

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-col p,
.footer-col address {
  color: var(--ink-mute);
  font-size: 14px;
  font-style: normal;
  line-height: 1.7;
  margin-bottom: 8px;
}
.footer-col p b {
  color: var(--ink);
  font-weight: 500;
  font-size: 13px;
}
.footer-col a:hover { color: var(--accent); }

.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: var(--ink-mute);
  font-size: 14px;
  position: relative;
  padding-left: 14px;
}
.footer-links a::before {
  content: "→";
  position: absolute; left: 0;
  color: var(--accent);
  opacity: 0;
  transition: opacity .2s ease;
}
.footer-links a:hover::before { opacity: 1; }

.footer-bottom {
  max-width: var(--maxw); margin: 0 auto;
  padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.06em;
}
.footer-mono { color: var(--accent); }

/* ========================================================================
   LEGAL PAGES
   ======================================================================== */
.legal-page {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(50px, 8vw, 100px) var(--pad-x);
}
.legal-page .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.legal-page .breadcrumb a { color: var(--ink-mute); }
.legal-page .breadcrumb a:hover { color: var(--accent); }

.legal-page h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.legal-page .updated {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
  letter-spacing: 0.06em;
  margin-bottom: 50px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.legal-page h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(22px, 3vw, 30px);
  margin-top: 50px;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.legal-page h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-top: 30px;
  margin-bottom: 10px;
}
.legal-page p {
  color: var(--ink-mute);
  margin-bottom: 16px;
  line-height: 1.75;
}
.legal-page ul, .legal-page ol {
  color: var(--ink-mute);
  margin: 12px 0 22px 24px;
  line-height: 1.75;
}
.legal-page li { margin-bottom: 8px; }
.legal-page strong { color: var(--ink); font-weight: 600; }

/* ========================================================================
   CONTACT PAGE
   ======================================================================== */
.contact-page {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(50px, 8vw, 100px) var(--pad-x);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-info h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.contact-info p.lead {
  color: var(--ink-mute);
  font-size: 18px;
  margin-bottom: 50px;
}
.contact-block {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.contact-block:last-child { border-bottom: 0; }
.contact-block h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
  margin-bottom: 12px;
  font-weight: 500;
}
.contact-block .big {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--ink);
  display: block;
  margin-bottom: 4px;
}
.contact-block .big:hover { color: var(--accent); }
.contact-block address {
  color: var(--ink-mute);
  font-style: normal;
  line-height: 1.7;
}

.contact-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 40px;
  align-self: start;
  position: sticky;
  top: 100px;
}
.contact-card h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 24px;
  margin-bottom: 20px;
}
.contact-card p {
  color: var(--ink-mute);
  margin-bottom: 28px;
}
.contact-card .form-row {
  margin-bottom: 18px;
}
.contact-card label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 8px;
}
.contact-card input,
.contact-card textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-2);
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 4px;
  transition: border-color .2s ease;
}
.contact-card input:focus,
.contact-card textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.contact-card textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-body);
}
.contact-card .note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  margin-top: 16px;
  letter-spacing: 0.05em;
}

/* ========================================================================
   RESPONSIVE
   ======================================================================== */
@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .hero-side { order: 2; max-width: 480px; }
  .services-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-brand { grid-column: 1 / -1; }
  .contact-page { grid-template-columns: 1fr; gap: 32px; }
  .contact-card { position: static; }
}

@media (max-width: 700px) {
  body { font-size: 16px; }

  .nav { padding: 14px var(--pad-x); }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-2);
    padding: 24px var(--pad-x);
    border-bottom: 1px solid var(--line);
    gap: 18px;
  }
  .nav-links.open { display: flex; }
  .lang-switch { margin-left: auto; }
  .burger { display: flex; }

  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .hero-stats > div { flex: 1 1 30%; }

  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .terminal { font-size: 11px; }
  .terminal pre { padding: 14px; }

  .service { padding: 30px 24px; }
  .about-card { padding: 24px; }
  .contact-card { padding: 28px; }
}

@media (max-width: 460px) {
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}