/* Luton Labs — Public Site Styles */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --navy:       #0a1428;
  --blue:       #1e5eff;
  --blue-dark:  #0d3bc4;
  --cyan:       #06b6d4;
  --gray-50:    #f8fafc;
  --gray-100:   #f1f5f9;
  --gray-200:   #e2e8f0;
  --gray-500:   #64748b;
  --gray-600:   #4b5563;
  --banner-bg:  #0c1d5c;
  --white:      #ffffff;
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --shadow-sm:  0 1px 4px rgba(0,0,0,0.07);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.10);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--navy);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ──────────────────────────────
   UTILITY
────────────────────────────── */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background 0.18s, border-color 0.18s, color 0.18s, transform 0.12s;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

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

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); }

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.12); }

.btn-white {
  background: var(--white);
  color: var(--blue);
  border-color: var(--white);
}
.btn-white:hover { background: #e8f0ff; }

/* ──────────────────────────────
   NAVIGATION
────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 152px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-logo img {
  height: 138px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--navy);
  font-size: 0.93rem;
  font-weight: 500;
  transition: color 0.18s;
}

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

/* ──────────────────────────────
   HERO
────────────────────────────── */
.hero {
  display: flex;
  align-items: center;
  gap: 3rem;
  min-height: calc(100vh - 72px);
  max-width: 1160px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.hero-content { flex: 1 1 0; }

.hero-content h1 {
  font-size: clamp(2.4rem, 4.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 1.4rem;
}

.hero-content h1 .accent { color: var(--blue); }

.hero-content p {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 460px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-visual {
  flex: 1 1 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

.hero-visual svg {
  width: 100%;
  max-width: 480px;
  height: auto;
}

/* ──────────────────────────────
   FEATURES
────────────────────────────── */
.features {
  background: var(--gray-100);
  padding: 5rem 0;
}

.features .container { max-width: 1160px; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 0;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-icon.blue   { background: #dceafe; }
.feature-icon.cyan   { background: #cffafe; }
.feature-icon.green  { background: #dcfce7; }

.feature-icon svg { width: 24px; height: 24px; }

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.6rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.feature-arrow {
  color: var(--blue);
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.18s;
  display: inline-block;
}

.feature-arrow:hover { transform: translateX(4px); }

/* ──────────────────────────────
   PROCESS
────────────────────────────── */
.process {
  padding: 5rem 0;
  text-align: center;
}

.process h2 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 3rem;
  letter-spacing: -0.01em;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
  max-width: 840px;
  margin: 0 auto;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 27px;
  left: calc(16.6% + 28px);
  right: calc(16.6% + 28px);
  height: 2px;
  background: var(--gray-200);
}

.step { position: relative; }

.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.2rem;
  position: relative;
  z-index: 1;
}

.step h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.6;
  max-width: 210px;
  margin: 0 auto;
}

/* ──────────────────────────────
   CTA BANNER
────────────────────────────── */
.cta-banner {
  background: var(--banner-bg);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(30,94,255,0.25) 0%, transparent 65%);
  pointer-events: none;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.cta-text h2 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.cta-text p { color: rgba(255,255,255,0.72); font-size: 1rem; }

.cta-right {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-shrink: 0;
}

.cta-rocket svg {
  width: 80px;
  height: 80px;
  opacity: 0.85;
}

/* ──────────────────────────────
   FOOTER
────────────────────────────── */
.footer {
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 1.75rem 0;
}

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

.footer-logo img { height: 138px; width: auto; }

.footer-nav {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-nav a {
  text-decoration: none;
  color: var(--gray-500);
  font-size: 0.87rem;
  transition: color 0.18s;
}

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

.footer-copy {
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* ──────────────────────────────
   RESPONSIVE
────────────────────────────── */
@media (max-width: 960px) {
  .hero { min-height: auto; padding: 3rem 2rem; gap: 2rem; }
  .hero-visual { max-width: 340px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero { flex-direction: column; text-align: center; }
  .hero-content p { max-width: 100%; }
  .hero-ctas { justify-content: center; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .process-steps { grid-template-columns: 1fr; max-width: 320px; }
  .process-steps::before { display: none; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-right { flex-direction: column; gap: 1rem; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
}