@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600;9..40,700&family=DM+Serif+Display:ital@0;1&display=swap');

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e8e8e8;
  --gray-400: #a8a8a8;
  --gray-600: #5c5c5c;
  --gray-800: #1e1e1e;
  --accent: #0050c8;
  --accent-light: #e6eeff;
  --accent-dark: #003a99;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --nav-h: 72px;
  --max-w: 1200px;
  --section-py: 100px;
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  font-size: 16px;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  display: flex; align-items: center;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: -0.02em;
  color: var(--black);
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex; align-items: center; gap: 36px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: color 0.2s;
  letter-spacing: 0.01em;
}
.nav-links a:hover, .nav-links a.active { color: var(--black); }
.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 4px;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; color: var(--white) !important; }
.nav-lang {
  display: flex; gap: 4px; margin-left: 8px;
}
.nav-lang button {
  background: none; border: 1px solid var(--gray-200);
  padding: 4px 10px; border-radius: 3px;
  font-size: 12px; font-family: var(--font-body);
  cursor: pointer; color: var(--gray-600);
  transition: all 0.2s;
}
.nav-lang button.active, .nav-lang button:hover {
  background: var(--black); color: var(--white); border-color: var(--black);
}
.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--black); border-radius: 2px; transition: all 0.3s;
}

/* ── LAYOUT ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 40px; }
.section { padding: var(--section-py) 0; }
.section-sm { padding: 64px 0; }
.pt-nav { padding-top: var(--nav-h); }

/* ── TYPOGRAPHY ── */
.display { font-family: var(--font-display); font-size: clamp(42px, 5vw, 68px); line-height: 1.1; letter-spacing: -0.02em; }
.display-sm { font-family: var(--font-display); font-size: clamp(32px, 3.5vw, 48px); line-height: 1.15; letter-spacing: -0.02em; }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.lead { font-size: 18px; line-height: 1.7; color: var(--gray-600); font-weight: 300; }
.body-lg { font-size: 17px; line-height: 1.7; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 4px;
  font-family: var(--font-body); font-size: 15px; font-weight: 600;
  cursor: pointer; transition: all 0.2s; border: none;
  letter-spacing: 0.01em;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,80,200,0.25); }
.btn-outline { background: transparent; color: var(--black); border: 1.5px solid var(--black); }
.btn-outline:hover { background: var(--black); color: var(--white); }
.btn-ghost { background: transparent; color: var(--accent); padding-left: 0; padding-right: 0; }
.btn-ghost:hover { gap: 12px; }
.btn-arrow::after { content: '→'; font-size: 16px; }

/* ── DIVIDER ── */
.rule { width: 40px; height: 3px; background: var(--accent); margin: 20px 0 32px; }

/* ── CARD ── */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: 36px;
  transition: all 0.25s;
}
.card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(0,80,200,0.08);
  transform: translateY(-2px);
}
.card-icon {
  width: 48px; height: 48px;
  background: var(--accent-light);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--accent); font-size: 22px;
}

/* ── GRID ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ── TAGS ── */
.tag {
  display: inline-block; padding: 5px 14px;
  border: 1px solid var(--gray-200); border-radius: 100px;
  font-size: 13px; color: var(--gray-600);
}

/* ── FOOTER ── */
footer {
  background: var(--gray-800);
  color: var(--white);
  padding: 64px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo { font-family: var(--font-display); font-size: 26px; margin-bottom: 12px; }
.footer-logo span { color: var(--accent); }
.footer-desc { font-size: 14px; color: var(--gray-400); line-height: 1.7; }
.footer-col h4 { font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-400); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: rgba(255,255,255,0.7); transition: color 0.2s; }
.footer-col ul a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 13px; color: var(--gray-400); }
.footer-markets { display: flex; gap: 12px; }
.footer-markets span { font-size: 12px; color: var(--gray-400); padding: 3px 10px; border: 1px solid rgba(255,255,255,0.1); border-radius: 3px; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  :root { --section-py: 72px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  :root { --section-py: 56px; }
  .container { padding: 0 24px; }
  .nav-inner { padding: 0 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
}

/* ── MOBILE NAV OPEN ── */
nav.open .nav-links {
  display: flex; flex-direction: column;
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--white); padding: 24px;
  border-bottom: 1px solid var(--gray-200);
  gap: 20px; align-items: flex-start;
}