:root {
  --ra-bg: #020816;
  --ra-bg-alt: #050c1a;
  --ra-surface: rgba(7, 18, 40, 0.95);
  --ra-border: rgba(63, 94, 160, 0.4);
  --ra-text: #f9fbff;
  --ra-text-muted: #9ca3c7;
  --ra-accent: #22d3ee;
  --ra-accent-soft: rgba(34, 211, 238, 0.1);
  --ra-accent-strong: #38bdf8;
  --ra-radius-lg: 18px;
  --ra-radius-md: 12px;
  --ra-radius-pill: 999px;
  --ra-shadow-soft: 0 24px 80px rgba(15, 23, 42, 0.8);
  --ra-shadow-subtle: 0 14px 45px rgba(15, 23, 42, 0.5);
  --ra-font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", 
    "Inter", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top left, #0b1220 0, #020617 45%, #020617 100%);
  color: var(--ra-text);
  font-family: var(--ra-font-sans);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
}

a {
  color: var(--ra-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.ra-container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */

.ra-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(2, 6, 23, 0.96), rgba(2, 6, 23, 0.8));
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.ra-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0.5rem;
}

.ra-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ra-text);
}

.ra-logo-image {
  height: 34px;
  width: auto;
  border-radius: 6px;
}

.ra-logo-text {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--ra-text-muted);
}

.ra-nav {
  display: flex;
  gap: 1.2rem;
  font-size: 0.9rem;
}

.ra-nav a {
  position: relative;
  padding-bottom: 0.2rem;
  color: var(--ra-text-muted);
}

.ra-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ra-accent-strong), var(--ra-accent));
  transition: width 0.18s ease-out;
}

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

.ra-nav a:hover::after {
  width: 100%;
}

/* Hero */

.ra-hero {
  padding: 4.5rem 0 3.5rem;
}

.ra-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr);
  gap: 3rem;
  align-items: center;
}

.ra-hero-copy h1 {
  font-size: clamp(2.4rem, 4vw, 3.1rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 1.2rem;
  background: linear-gradient(120deg, #e5f0ff 0, #a5b4fc 30%, #22d3ee 80%);
  -webkit-background-clip: text;
  color: transparent;
}

.ra-hero-copy p {
  margin: 0 0 1.8rem;
  color: var(--ra-text-muted);
  font-size: 0.98rem;
  max-width: 32rem;
}

.ra-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.ra-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: var(--ra-radius-pill);
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s ease-out;
  text-decoration: none;
}

.ra-btn-primary {
  background: radial-gradient(circle at top left, var(--ra-accent-strong), var(--ra-accent));
  border-color: rgba(56, 189, 248, 0.6);
  color: #020617;
  box-shadow: 0 15px 45px rgba(56, 189, 248, 0.35);
}

.ra-btn-primary:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.ra-btn-ghost {
  background: rgba(15, 23, 42, 0.7);
  border-color: rgba(148, 163, 184, 0.35);
  color: var(--ra-text);
}

.ra-btn-ghost:hover {
  border-color: rgba(148, 163, 184, 0.7);
}

.ra-hero-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.1rem;
  margin: 0;
}

.ra-hero-highlights div {
  padding: 0.9rem 1rem;
  border-radius: var(--ra-radius-md);
  background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.4), rgba(15, 23, 42, 0.9));
  border: 1px solid rgba(51, 65, 85, 0.7);
}

.ra-hero-highlights dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ra-text-muted);
  margin-bottom: 0.2rem;
}

.ra-hero-highlights dd {
  margin: 0;
  font-size: 0.9rem;
}

.ra-hero-visual {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1.2rem;
}

.ra-hero-logo-wrap {
  max-width: 400px;
  width: 100%;
}

.ra-hero-logo {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: var(--ra-shadow-soft);
}

.ra-hero-card {
  position: relative;
  max-width: 400px;
  width: 100%;
  padding: 1.6rem 1.5rem 1.4rem;
  border-radius: var(--ra-radius-lg);
  background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.4), rgba(15, 23, 42, 0.95));
  border: 1px solid var(--ra-border);
  box-shadow: var(--ra-shadow-soft);
}

.ra-hero-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px solid rgba(56, 189, 248, 0.12);
  pointer-events: none;
}

.ra-hero-tag {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ra-text-muted);
  margin-top: 0;
}

.ra-hero-card ul {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
  color: var(--ra-text-muted);
  font-size: 0.9rem;
}

/* Sections */

.ra-section {
  padding: 3.75rem 0;
}

.ra-section-alt {
  background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.5), rgba(2, 6, 23, 1));
}

.ra-section-header {
  text-align: center;
  margin-bottom: 2.3rem;
}

.ra-section-header-left {
  text-align: left;
}

.ra-section-header h2 {
  font-size: 1.4rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}

.ra-section-header p {
  margin: 0;
  color: var(--ra-text-muted);
  font-size: 0.96rem;
}

.ra-grid {
  display: grid;
  gap: 2rem;
}

.ra-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.ra-card {
  padding: 1.4rem 1.3rem 1.3rem;
  border-radius: var(--ra-radius-lg);
  background: var(--ra-surface);
  border: 1px solid rgba(51, 65, 85, 0.8);
  box-shadow: var(--ra-shadow-subtle);
}

.ra-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.ra-card p {
  margin-top: 0;
  margin-bottom: 0.8rem;
  color: var(--ra-text-muted);
  font-size: 0.9rem;
}

.ra-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ra-text-muted);
  font-size: 0.88rem;
}

.ra-list li + li {
  margin-top: 0.25rem;
}

/* Steps */

.ra-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ra-steps li + li {
  margin-top: 1.3rem;
}

.ra-steps h3 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
}

.ra-steps p {
  margin: 0;
  color: var(--ra-text-muted);
  font-size: 0.9rem;
}

.ra-approach-panel,
.ra-about-panel,
.ra-contact-panel {
  padding: 1.6rem 1.4rem;
  border-radius: var(--ra-radius-lg);
  background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.55), rgba(15, 23, 42, 0.95));
  border: 1px solid rgba(51, 65, 85, 0.9);
  box-shadow: var(--ra-shadow-soft);
}

.ra-approach-panel h3,
.ra-about-panel h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.ra-approach-panel p,
.ra-about-panel p,
.ra-contact-panel p {
  margin: 0;
  color: var(--ra-text-muted);
  font-size: 0.9rem;
}

/* Contact */

.ra-contact-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  color: var(--ra-text-muted);
  font-size: 0.9rem;
}

.ra-contact-list li + li {
  margin-top: 0.35rem;
}

/* Footer */

.ra-footer {
  border-top: 1px solid rgba(30, 64, 175, 0.6);
  background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.8), #020617);
}

.ra-footer-inner {
  padding: 1rem 0;
  text-align: center;
}

.ra-footer-inner p {
  margin: 0;
  color: var(--ra-text-muted);
  font-size: 0.8rem;
}

/* Responsive */

@media (max-width: 800px) {
  .ra-header-inner {
    padding-inline: 0;
  }

  .ra-nav {
    gap: 0.8rem;
    font-size: 0.78rem;
  }

  .ra-hero {
    padding-top: 3.2rem;
  }

  .ra-hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .ra-hero-visual {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .ra-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .ra-nav {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .ra-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}