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

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

:root {
  --navy: #0F1F3D;
  --blue: #1A6BFF;
  --blue-light: #EAF1FF;
  --blue-mid: #B8D0FF;
  --off-white: #F5F7FA;
  --cool-grey: #E8EDF5;
  --mid-grey: #8A96A8;
  --text-muted: #4A5568;
  --border: #D6DDE9;
  --white: #ffffff;
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 10px;
  --radius-lg: 16px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--navy);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Navigation ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-arc {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.nav-links a:hover, .nav-links a.active { color: var(--navy); }

.nav-cta {
  background: var(--navy) !important;
  color: var(--white) !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: 8px !important;
  font-weight: 500 !important;
  transition: background var(--transition) !important;
}

.nav-cta:hover { background: var(--blue) !important; }

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

section { padding: 6rem 0; }

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1rem;
  display: block;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 9px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover { background: #0F57E8; transform: translateY(-1px); }

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--navy); background: var(--off-white); }

/* ── Footer ── */
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 3.5rem 0 2rem;
}

.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 2rem;
}

.footer-brand .logo { color: var(--white); margin-bottom: 0.75rem; display: inline-flex; }

.footer-tagline {
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1rem;
  letter-spacing: 0;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hamburger { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    gap: 1.25rem;
    align-items: flex-start;
  }
  .nav-links.open { display: flex; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
  section { padding: 4rem 0; }
}

/* ── Page transition ── */
.page-content { padding-top: 64px; }

/* ── Arc animation ── */
@keyframes arc-draw {
  from { stroke-dashoffset: 60; }
  to { stroke-dashoffset: 0; }
}

.arc-animated {
  stroke-dasharray: 60;
  stroke-dashoffset: 60;
  animation: arc-draw 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.3s forwards;
}