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

:root {
  /* Tech/Finance Palette */
  --bg-primary: #fcfdfe;
  --bg-secondary: #e5f5f6;
  --text-primary: #073b54;
  --text-secondary: #4a6b82;
  --accent: #1ba2b0;
  --accent-soft: rgba(27, 162, 176, 0.08);
  --accent-glow: rgba(27, 162, 176, 0.15);
  --accent-gradient: linear-gradient(135deg, #1ba2b0, #073b54);
  --accent-red: #e14138;
  --accent-gold: #efb511;
  --border: rgba(7, 59, 84, 0.08);
  --glass-bg: rgba(254, 255, 255, 0.85);

  --container-max: 1100px;
  --t-standard: 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --shadow-premium: 0 20px 60px rgba(7, 59, 84, 0.08);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Header height + small buffer */
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-top: 72px; /* Fixed header height */
}

h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  letter-spacing: -0.03em;
}

/* Base Layout */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 120px 0;
}

/* Nav & Mega Menu */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

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

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-item {
  position: static; /* For mega menu */
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--t-standard);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 24px 0;
}

.nav-link:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.mega-menu {
  position: absolute;
  top: 72px;
  left: 0;
  width: 100%;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 20px 40px rgba(0,0,0,0.05);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--t-standard);
  padding: 60px 0;
  z-index: 1001;
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.mega-col h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.mega-links {
  list-style: none;
}

.mega-links li {
  margin-bottom: 12px;
}

.mega-links a {
  font-size: 0.9375rem;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  display: block;
}

.mega-links a:hover {
  color: var(--accent);
}

/* Hero */
.hero {
  padding-top: 160px;
  text-align: center;
}

.hero h1 {
  font-size: 5rem;
  line-height: 1;
  margin-bottom: 32px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: var(--text-primary);
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: var(--t-standard);
}

.btn:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(7, 59, 84, 0.2);
}

/* Modern Card Structure (Service Grid) */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: var(--t-standard);
}

.card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-premium);
  transform: translateY(-4px);
}

.card h4 {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.card-placeholder {
  width: 48px;
  height: 48px;
  background: var(--accent-soft);
  border-radius: 12px;
  margin-bottom: 24px;
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* Placeholder Utility */
.placeholder-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 24px;
  width: 100% !important;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-family: 'Outfit', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  opacity: 0.8;
  position: relative;
  overflow: hidden;
}

.placeholder-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at center, var(--accent-glow), transparent);
  opacity: 0.5;
}

.placeholder-box:hover {
  opacity: 1;
  border-color: var(--accent);
  box-shadow: var(--shadow-premium);
}

/* Trust Bar / Logos */
.trust-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 64px;
  opacity: 0.6;
  filter: grayscale(1);
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.trust-bar:hover {
  opacity: 1;
  filter: grayscale(0);
  transition: var(--t-standard);
}

/* FAQ Details */
details {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  transition: var(--t-standard);
}

summary {
  list-style: none;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--accent);
  transition: var(--t-standard);
}

details[open] summary::after {
  transform: rotate(45deg);
}

/* Responsiveness */
@media (max-width: 768px) {
  .hero h1 { font-size: 3rem; }
  .service-grid { grid-template-columns: 1fr; }
  .mega-menu { display: none; }
}