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

:root {
  --bg-deep: #06080f;
  --bg-elevated: #0c101a;
  --bg-card: #111827;
  --bg-card-hover: #151f30;
  --text-primary: #f0f4fc;
  --text-secondary: #9aa8c0;
  --text-muted: #6b7a94;
  --accent: #38bdf8;
  --accent-bright: #7dd3fc;
  --accent-glow: rgba(56, 189, 248, 0.35);
  --accent-subtle: rgba(56, 189, 248, 0.12);
  --border: rgba(148, 163, 184, 0.12);
  --border-strong: rgba(56, 189, 248, 0.25);
  --gradient-hero: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(56, 189, 248, 0.18), transparent 60%);
  --gradient-card: linear-gradient(145deg, rgba(56, 189, 248, 0.06), transparent 50%);
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-glow: 0 0 40px rgba(56, 189, 248, 0.15);
  --header-height: 72px;
  --container: min(1120px, calc(100% - 2.5rem));
  --transition: 180ms ease;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(6, 8, 15, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand img {
  width: auto;
  height: 44px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-list a {
  display: block;
  padding: 0.5rem 0.9rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--text-primary);
  background: var(--accent-subtle);
}

.nav-cta {
  margin-left: 0.5rem;
  color: var(--bg-deep) !important;
  background: var(--accent);
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--accent-bright) !important;
}

/* Hero */

.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 7rem) 0 clamp(3rem, 8vw, 5rem);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    var(--gradient-hero),
    linear-gradient(rgba(56, 189, 248, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.04) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
}

.hero-eyebrow {
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  max-width: 16ch;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
}

.hero-lead {
  max-width: 58ch;
  margin-top: 1.25rem;
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

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

.btn-primary {
  color: var(--bg-deep);
  background: var(--accent);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--accent-bright);
}

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

.btn-secondary:hover {
  background: var(--accent-subtle);
}

.btn-large {
  padding: 0.9rem 1.6rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat dt {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-bright);
}

.stat dd {
  margin: 0.35rem 0 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* Sections */

.section {
  padding: clamp(4rem, 8vw, 6rem) 0;
}

.section-header {
  max-width: 640px;
  margin-bottom: 3rem;
}

.section-eyebrow {
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-header h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
}

.section-intro {
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 1.0625rem;
}

/* Services */

.services {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  padding: 1.75rem;
  background: var(--gradient-card), var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: var(--border-strong);
  background: var(--gradient-card), var(--bg-card-hover);
  transform: translateY(-2px);
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 1.25rem;
  color: var(--accent);
  background: var(--accent-subtle);
  border-radius: var(--radius-sm);
}

.service-icon svg {
  width: 22px;
  height: 22px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.service-card > p {
  margin-top: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
  list-style: none;
}

.service-tags li {
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-bright);
  background: var(--accent-subtle);
  border-radius: 999px;
}

/* Approach */

.process-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  list-style: none;
  counter-reset: none;
}

.process-step {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.process-number {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
}

.process-step h3 {
  font-size: 1.0625rem;
  font-weight: 600;
}

.process-step p {
  margin-top: 0.5rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* About */

.about {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.about-content p + p {
  margin-top: 1rem;
  color: var(--text-secondary);
}

.about-highlights {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.about-highlights ul {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  list-style: none;
}

.about-highlights li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.about-highlights strong {
  font-size: 0.9375rem;
  font-weight: 600;
}

.about-highlights span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* FAQ */

.faq {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 760px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item[open] {
  border-color: var(--border-strong);
}

.faq-item summary {
  padding: 1.15rem 1.35rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--accent);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item summary:hover {
  color: var(--accent-bright);
}

.faq-item p {
  padding: 0 1.35rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* CTA */

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(2rem, 5vw, 3rem);
  background:
    radial-gradient(ellipse at top right, rgba(56, 189, 248, 0.12), transparent 55%),
    var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
}

.cta-content {
  max-width: 520px;
}

.cta-content p:last-child {
  margin-top: 1rem;
  color: var(--text-secondary);
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Footer */

.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
}

.footer-brand img {
  width: auto;
  height: 32px;
}

.footer-brand p {
  max-width: 28ch;
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  list-style: none;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.footer-copy {
  grid-column: 1 / -1;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
}

/* Mobile nav open state */

.site-header.nav-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.nav-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header.nav-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Responsive */

@media (max-width: 960px) {
  .service-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
  }
}

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

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    padding: 1rem;
    background: rgba(6, 8, 15, 0.96);
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .site-header.nav-open .site-nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-cta {
    margin-left: 0;
    text-align: center;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}