/* ==========================================================================
   PAYLO - NOT ANOTHER NEOBANK. A REAL DECENTRALIZED ONCHAIN BANK.
   Theme: Ultra-Clean Light Design, Ice Blue Accents (#2563eb, #3b82f6),
          Obsidian Black Buttons (#0f172a), Inter + Space Grotesk Typography
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

:root {
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;

  --accent-blue: #2563eb;
  --accent-ice: #3b82f6;
  --accent-sky: #60a5fa;

  --text-dark: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;

  --stroke: rgba(15, 23, 42, 0.08);
  --stroke-accent: rgba(37, 99, 235, 0.25);

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'Fira Code', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-light);
  color: var(--text-dark);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.55;
  background-color: var(--bg-light);
  background-image: 
    radial-gradient(circle at 50% -10%, rgba(59, 130, 246, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 80% 50%, rgba(96, 165, 250, 0.08) 0%, transparent 40%);
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

/* Layout Container */
.wrap-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Top Navbar */
.navbar-paylo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--stroke);
}

.brand-logo-paylo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-dark);
}

.nav-links-paylo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-link-paylo {
  padding: 8px 18px;
  border-radius: 9999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.nav-link-paylo:hover, .nav-link-paylo.active {
  color: var(--text-dark);
  background: rgba(15, 23, 42, 0.05);
}

/* Buttons */
.btn-paylo-black {
  background: #0f172a;
  color: #ffffff;
  padding: 12px 28px;
  border-radius: 9999px;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.15);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-paylo-black:hover {
  transform: translateY(-2px);
  background: #000000;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.25);
}

.btn-paylo-outline {
  background: #ffffff;
  color: var(--text-dark);
  padding: 12px 28px;
  border-radius: 9999px;
  border: 1px solid var(--stroke);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.btn-paylo-outline:hover {
  background: #f1f5f9;
  border-color: var(--text-dark);
}

/* Hero Section */
.hero-paylo {
  padding: 64px 0 80px;
  text-align: center;
  position: relative;
}

.eyebrow-tag-paylo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid var(--stroke-accent);
  padding: 6px 18px;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-blue);
  margin-bottom: 24px;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.08);
}

h1.hero-h1-paylo {
  font-family: var(--font-display);
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-dark);
  max-width: 900px;
  margin: 0 auto;
}

/* Feature Grid */
.feature-grid-paylo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.feature-card-item {
  background: var(--bg-white);
  border: 1px solid var(--stroke);
  border-radius: 24px;
  padding: 36px;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.feature-card-item:hover {
  border-color: var(--accent-blue);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.12);
}

/* Footer Section */
footer.footer-paylo {
  background: #ffffff;
  color: var(--text-dark);
  padding: 80px 0 40px;
  border-top: 1px solid var(--stroke);
  margin-top: 100px;
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

/* Mobile Hamburger Button & Drawer */
.btn-hamburger-paylo {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--stroke);
  background: #ffffff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.btn-hamburger-paylo span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--text-dark);
  margin: 3px 0;
}

.mobile-menu-drawer-paylo {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  padding: 32px 24px;
  flex-direction: column;
  justify-content: space-between;
}

.mobile-menu-drawer-paylo.open {
  display: flex;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .wrap-container { padding: 0 20px; }
  .navbar-paylo { padding: 18px 24px; }
  .feature-grid-paylo { grid-template-columns: 1fr; gap: 20px; }
  .footer-nav-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .desktop-nav-links { display: none !important; }
  .btn-hamburger-paylo { display: flex !important; }
  .navbar-paylo { padding: 14px 18px; }
  .hero-paylo { padding: 32px 0 48px; }
  
  h1.hero-h1-paylo {
    font-size: 2.1rem !important;
    line-height: 1.2 !important;
  }

  .eyebrow-tag-paylo {
    font-size: 0.68rem;
    padding: 6px 14px;
    letter-spacing: 0.03em;
    max-width: 100%;
    text-align: center;
    white-space: normal;
    word-break: break-word;
  }

  .btn-paylo-black, .btn-paylo-outline {
    width: 100%;
    margin-bottom: 8px;
  }

  div[style*="grid-template-columns: repeat(2, 1fr)"],
  div[style*="grid-template-columns: repeat(3, 1fr) auto"] {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  input[type="text"], input[type="number"], select {
    width: 100% !important;
  }

  .footer-nav-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 480px) {
  h1.hero-h1-paylo { font-size: 1.85rem !important; }
  .brand-logo-paylo { font-size: 1.15rem; }
  .wrap-container { padding: 0 16px; }
}