:root {
  --color-bg: #090B10;
  --color-surface: #12161F;
  --color-surface-hover: #181E2A;
  --color-surface-glass: rgba(18, 22, 31, 0.75);
  --color-text: #E8ECF4;
  --color-text-muted: #8B95A8;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.14);
  --color-accent: #3B82F6;
  --color-accent-hover: #2563EB;
  --color-accent-soft: rgba(59, 130, 246, 0.12);
  --color-accent-glow: rgba(59, 130, 246, 0.25);
  --font-body: "DM Sans", system-ui, sans-serif;
  --max-width: 1120px;
  --radius: 14px;
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.08);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* Ambient glow */

.page-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 10% -10%, rgba(59, 130, 246, 0.18), transparent),
    radial-gradient(ellipse 50% 40% at 90% 20%, rgba(37, 99, 235, 0.08), transparent);
}

main,
.site-header,
.site-footer {
  position: relative;
  z-index: 1;
}

/* Reveal */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Shared typography */

.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-header {
  max-width: 36rem;
  margin-bottom: 3rem;
}

.section-header-center {
  margin-inline: auto;
  text-align: center;
}

.section-header h2,
.tech h2,
.contact-card h2 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-desc {
  margin-top: 0.75rem;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  color: #fff;
  background: var(--color-accent);
  border: 1px solid var(--color-accent);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 6px 28px rgba(59, 130, 246, 0.35);
}

.btn-ghost {
  color: var(--color-text);
  background: transparent;
  border: 1px solid var(--color-border-hover);
}

.btn-ghost:hover {
  background: var(--color-surface);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn:focus-visible,
.contact-link:focus-visible,
.lang-btn:focus-visible,
.site-nav a:focus-visible,
.brand:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.brand-mark {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 10px;
  object-fit: cover;
  object-position: top center;
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-name {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.site-nav {
  display: none;
  gap: 2rem;
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

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

@media (min-width: 768px) {
  .site-nav {
    display: flex;
  }
}

.lang-toggle {
  display: flex;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-surface);
}

.lang-btn {
  min-width: 44px;
  min-height: 44px;
  padding: 0.5rem 0.875rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
}

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

.lang-btn.active {
  color: #fff;
  background: var(--color-accent);
}

/* Hero */

.hero {
  padding-block: 4rem 3rem;
}

.hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero {
    padding-block: 5.5rem 5rem;
  }

  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 4rem;
  }
}

.hero-content h1 {
  font-size: clamp(2.375rem, 5.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.hero-lead {
  margin-top: 1.25rem;
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero-visual {
  position: relative;
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-glow), 0 24px 60px rgba(0, 0, 0, 0.5);
}

.hero-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(9, 11, 16, 0.5), transparent 50%);
  pointer-events: none;
}

.hero-image-wrap img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-float-card {
  position: absolute;
  bottom: -1rem;
  left: -0.5rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

@media (min-width: 900px) {
  .hero-float-card {
    bottom: 2rem;
    left: -2rem;
  }
}

.float-dot {
  width: 8px;
  height: 8px;
  background: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

@media (prefers-reduced-motion: reduce) {
  .float-dot { animation: none; }
}

/* Values */

.values {
  padding-block: 0 4rem;
}

.values-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.value-item {
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.value-item:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.value-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: 1rem;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border-radius: 10px;
}

.value-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.value-item p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Services */

.services {
  padding-block: 5rem;
  border-block: 1px solid var(--color-border);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35), var(--shadow-glow);
}

.service-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.service-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-surface), transparent 60%);
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
  opacity: 0.85;
}

.service-card:hover .service-image img {
  transform: scale(1.06);
  opacity: 1;
}

.service-body {
  padding: 1.5rem;
  flex: 1;
  margin-top: -1.5rem;
  position: relative;
  z-index: 1;
}

.service-num {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.service-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Tech logos grid */

.tech {
  padding-block: 5rem;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  list-style: none;
}

@media (min-width: 640px) {
  .tech-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.tech-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  padding: 1.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.tech-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.35);
  background: var(--color-surface-hover);
  box-shadow: var(--shadow-glow);
}

.tech-card img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.tech-card span {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
}

.tech-card:hover span {
  color: var(--color-text);
}

/* Contact */

.contact {
  padding-block: 5rem 6rem;
}

.contact .container {
  display: flex;
  justify-content: center;
}

.contact-card {
  width: 100%;
  max-width: 40rem;
  padding: 3rem 2.5rem;
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow-glow), 0 24px 60px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  translate: -50% 0;
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.contact-lead {
  margin-top: 0.75rem;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}

@media (min-width: 480px) {
  .contact-links {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  min-height: 48px;
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}

.contact-link:hover {
  border-color: rgba(59, 130, 246, 0.4);
  color: var(--color-accent);
}

.contact-link-primary {
  color: #fff;
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.contact-link-primary:hover {
  color: #fff;
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.contact-link svg {
  flex-shrink: 0;
}

/* Footer */

.site-footer {
  padding-block: 1.75rem;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

@media (min-width: 480px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

.site-footer a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.site-footer a:hover {
  color: var(--color-accent);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.25rem 1.25rem;
}

/* Legal pages */

.legal-header {
  padding-block: 1rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.legal-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.legal-back {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.legal-back:hover {
  color: var(--color-accent);
}

.legal-main {
  padding-block: 3rem 5rem;
}

.legal-content {
  max-width: 42rem;
}

.legal-content h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.legal-updated {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.legal-content h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.625rem;
}

.legal-content p,
.legal-content li {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.legal-content p {
  margin-bottom: 0.875rem;
}

.legal-content ul {
  margin: 0.5rem 0 0.875rem 1.25rem;
}

.legal-content li {
  margin-bottom: 0.375rem;
}

.legal-content a {
  color: var(--color-accent);
  text-decoration: none;
}

.legal-content a:hover {
  text-decoration: underline;
}