:root {
  --color-bg: #0b0f19;
  --color-bg-alt: #0f1524;
  --color-surface: #141b2d;
  --color-border: #232c42;
  --color-text: #e7eaf3;
  --color-text-muted: #9aa4bf;
  --color-primary: #4f7cff;
  --color-primary-dark: #3a5ce0;
  --color-accent: #34e0c8;
  --radius: 12px;
  --max-width: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--color-text);
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  flex-shrink: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--color-text);
}

.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.lang-switch a,
.lang-switch .lang-current {
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--color-text-muted);
}

.lang-switch .lang-current {
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.lang-switch a:hover {
  color: var(--color-text);
}

/* Hero */
.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(circle at 20% 20%, rgba(79, 124, 255, 0.15), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(52, 224, 200, 0.12), transparent 40%);
}

.hero-inner {
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(52, 224, 200, 0.1);
  border: 1px solid rgba(52, 224, 200, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin: 0 0 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
}

/* Sections */
section {
  padding: 88px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-header .eyebrow {
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin: 0 0 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.section-header p {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 1.05rem;
}

/* Services grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(79, 124, 255, 0.2), rgba(52, 224, 200, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.3rem;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  font-weight: 700;
}

.card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* About */
.about {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.about h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

.about p {
  color: var(--color-text-muted);
  margin: 0 0 18px;
}

.stat-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.stat strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat span {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Process */
.process-list {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.process-item {
  position: relative;
  padding-top: 8px;
}

.process-item::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-primary);
  display: block;
  margin-bottom: 12px;
}

.process-item h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
}

.process-item p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* Contact */
.contact {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.contact-info-centered {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.contact-info-centered .contact-item {
  text-align: left;
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

.contact-info-centered .btn {
  margin-top: 12px;
}

.contact-info h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  margin: 0 0 18px;
}

.contact-info p {
  color: var(--color-text-muted);
  margin: 0 0 28px;
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.contact-item .icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item strong {
  display: block;
  font-size: 0.95rem;
}

.contact-item span,
.contact-item a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.contact-item a:hover {
  color: var(--color-primary);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  max-width: 320px;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin: 0 0 14px;
}

.footer-col a {
  display: block;
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.92rem;
  margin-bottom: 10px;
  opacity: 0.85;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--color-primary);
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Legal pages */
.legal {
  padding: 64px 0 96px;
}

.legal h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 12px;
  font-weight: 800;
}

.legal .updated {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 1.25rem;
  margin: 40px 0 14px;
  font-weight: 700;
}

.legal p,
.legal li {
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

.legal ul {
  padding-left: 20px;
}

.legal-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 8px;
}

.legal-box dl {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 10px 20px;
  margin: 0;
}

.legal-box dt {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.legal-box dd {
  margin: 0;
  font-weight: 600;
}

/* Responsive */
@media (max-width: 860px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .legal-box dl {
    grid-template-columns: 1fr;
  }

  .legal-box dt {
    margin-top: 10px;
  }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px 28px;
    gap: 18px;
    transform: translateY(-130%);
    transition: transform 0.25s ease;
  }

  .nav.open {
    transform: translateY(0);
  }

  .nav-cta {
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }

  .footer-inner {
    flex-direction: column;
  }
}