/* RenderLabs — design tokens */
:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f4f4f6;
  --text-muted: #9b9ba8;
  --accent: #7c6cff;
  --accent-soft: rgba(124, 108, 255, 0.15);
  --accent-glow: rgba(124, 108, 255, 0.35);
  --warm: #ff8a5c;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "Instrument Serif", Georgia, serif;
  --radius: 12px;
  --radius-lg: 20px;
  --container: min(1120px, 100% - 2.5rem);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
}

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

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 10, 15, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(10, 10, 15, 0.92);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--warm));
  box-shadow: 0 0 24px var(--accent-glow);
}

.logo-accent {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  font-size: 0.9375rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-cta {
  padding: 0.5rem 1rem;
  background: var(--accent-soft);
  color: var(--text) !important;
  border-radius: 999px;
  border: 1px solid rgba(124, 108, 255, 0.3);
}

.nav-cta:hover {
  background: rgba(124, 108, 255, 0.25);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
}

.hero-glow--1 {
  width: 500px;
  height: 500px;
  top: -10%;
  right: -10%;
  background: var(--accent);
}

.hero-glow--2 {
  width: 400px;
  height: 400px;
  bottom: 10%;
  left: -15%;
  background: var(--warm);
  opacity: 0.25;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  max-width: 14ch;
}

.hero-title em {
  font-style: italic;
  color: var(--text-muted);
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 36rem;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #6355e8);
  color: #fff;
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 12px 40px var(--accent-glow);
}

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

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

.btn-lg {
  padding: 1rem 1.75rem;
  font-size: 1rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin: 0;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--border);
}

.hero-stats dt {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.hero-stats dd {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Marquee */
.marquee {
  border-block: 1px solid var(--border);
  background: var(--bg-elevated);
  overflow: hidden;
  padding: 1rem 0;
}

.marquee-track {
  display: flex;
  gap: 2rem;
  width: max-content;
  animation: marquee 40s linear infinite;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.marquee-track span:nth-child(odd) {
  color: var(--text);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Sections */
.section {
  padding: 6rem 0;
}

.section--alt {
  background: var(--bg-elevated);
}

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

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

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.section-lead {
  color: var(--text-muted);
  margin: 0;
  font-size: 1.0625rem;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.service-card {
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s, transform 0.2s;
}

.service-card:hover {
  border-color: rgba(124, 108, 255, 0.25);
  transform: translateY(-2px);
}

.service-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
}

.service-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* Work */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.work-card {
  min-height: 200px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background:
    linear-gradient(145deg, rgba(124, 108, 255, 0.12), transparent 50%),
    var(--bg-card);
  overflow: hidden;
}

.work-card--large {
  grid-row: span 2;
  min-height: 100%;
}

.work-card-inner {
  padding: 1.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.work-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.work-card h3 {
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.work-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* Process */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.process-steps li {
  position: relative;
  padding-top: 0.5rem;
}

.step-num {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.process-steps h3 {
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
}

.process-steps p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* CTA */
.cta-section {
  padding-bottom: 6rem;
}

.cta-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 3rem;
  background:
    linear-gradient(135deg, rgba(124, 108, 255, 0.2), rgba(255, 138, 92, 0.08)),
    var(--bg-card);
  border: 1px solid rgba(124, 108, 255, 0.2);
  border-radius: var(--radius-lg);
}

.cta-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 400;
  margin: 0 0 0.75rem;
}

.cta-copy p:last-child {
  margin: 0;
  color: var(--text-muted);
  max-width: 28rem;
}

.cta-note {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.cta-note strong {
  color: var(--text);
}

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

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
}

.footer-tagline {
  flex: 1;
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  min-width: 200px;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

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

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

.footer-copy {
  width: 100%;
  margin: 1rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.logo--footer .logo-mark {
  width: 28px;
  height: 28px;
}

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

  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s, opacity 0.25s;
  }

  .nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-menu a {
    display: block;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

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

  .work-card--large {
    grid-row: auto;
  }

  .cta-panel {
    padding: 2rem;
  }
}

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

  .marquee-track {
    animation: none;
  }

  .btn:hover,
  .service-card:hover {
    transform: none;
  }
}