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

:root {
  --white: #ffffff;
  --off-white: #f7f9fc;
  --blue: #0ea5e9;
  --blue-dark: #0284c7;
  --blue-light: #e0f2fe;
  --blue-pale: #f0f9ff;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 4px 16px rgba(14,165,233,.10), 0 1px 4px rgba(0,0,0,.05);
  --shadow-lg: 0 16px 48px rgba(14,165,233,.13), 0 4px 16px rgba(0,0,0,.07);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --transition: .22s cubic-bezier(.4,0,.2,1);
  --max-width: 1160px;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-display: 'DM Serif Display', Georgia, serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -.02em;
  color: var(--text);
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: var(--blue);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg { width: 18px; height: 18px; fill: #fff; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: .92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 22px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 2px 12px rgba(14,165,233,.35);
}

.btn-primary:hover {
  background: var(--blue-dark);
  box-shadow: 0 4px 20px rgba(14,165,233,.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue);
}

.btn-outline:hover {
  background: var(--blue-pale);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}

.btn-ghost:hover {
  background: var(--off-white);
  transform: translateY(-1px);
}

.btn-lg { padding: 14px 30px; font-size: 1rem; }

/* ── FOOTER ── */
footer {
  background: var(--text);
  color: rgba(255,255,255,.55);
  padding: 56px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand p {
  font-size: .88rem;
  line-height: 1.7;
  max-width: 260px;
  margin-top: 12px;
}

.footer-col h4 {
  color: #fff;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: .88rem;
  margin-bottom: 10px;
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--blue); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  font-size: .82rem;
}

.footer-logo { display: flex; align-items: center; gap: 8px; }
.footer-logo .logo-icon { width: 28px; height: 28px; }
.footer-logo span { color: #fff; font-weight: 700; font-size: .95rem; }

/* ── BADGES ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .02em;
}

.badge-blue { background: var(--blue-light); color: var(--blue-dark); }

/* ── SECTIONS ── */
section { padding: 96px 0; }

.section-label {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--text);
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 540px;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ── CARD ── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

/* ── HAMBURGER MOBILE ── */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; margin: 5px 0; transition: all var(--transition); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}