:root {
  --purple: #6B21F5;
  --purple-light: #A78BFA;
  --purple-mid: #8B5CF6;
  --purple-dark: #4C0FBD;
  --bg-dark: #0D0B1A;
  --bg-dark2: #130F2A;
  --bg-light: #EEF0FF;
  --text-dark: #0D0B1A;
  --text-mid: #5A5878;
  --text-light: #9694B2;
  --white: #ffffff;
  --radius: 18px;
  --nav-h: 68px;
  --shadow: 0 4px 32px rgba(107,33,245,0.10);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; background: var(--white); color: var(--text-dark); overflow-x: hidden; }

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem; font-weight: 800;
  color: var(--text-dark); text-decoration: none;
  letter-spacing: -0.03em;
  display: flex; align-items: center;
}
.nav-logo-dot {
  width: 7px; height: 7px;
  background: var(--purple); border-radius: 50%;
  display: inline-block; margin-left: 2px;
  position: relative; top: -4px;
}

.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { font-size: 0.92rem; font-weight: 500; color: var(--text-mid); text-decoration: none; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text-dark); }
.nav-links a.active { font-weight: 700; }

.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text-dark); border-radius: 2px;
  transition: all 0.3s;
}

.mobile-menu {
  display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(14px);
  padding: 24px 24px 32px; z-index: 99;
  border-bottom: 1px solid rgba(0,0,0,0.07);
  flex-direction: column; gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.1rem; font-weight: 600; color: var(--text-dark);
  text-decoration: none; padding: 12px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: var(--purple); }

.btn-primary {
  padding: 10px 24px; background: var(--purple); border: none;
  border-radius: 50px; font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem; font-weight: 700; color: #fff; cursor: pointer;
  text-decoration: none; transition: background 0.2s, transform 0.15s;
  display: inline-flex; align-items: center;
}
.btn-primary:hover { background: var(--purple-dark); transform: translateY(-1px); }

.btn-dark {
  padding: 14px 36px; background: var(--text-dark); border: none;
  border-radius: 50px; font-family: 'DM Sans', sans-serif;
  font-size: 1rem; font-weight: 700; color: #fff; cursor: pointer;
  text-decoration: none; transition: background 0.2s, transform 0.15s;
  display: inline-flex; align-items: center;
}
.btn-dark:hover { background: #1e1a3a; transform: translateY(-1px); }

.btn-outline {
  padding: 14px 34px; background: transparent;
  border: 2px solid rgba(0,0,0,0.2); border-radius: 50px;
  font-family: 'DM Sans', sans-serif; font-size: 1rem; font-weight: 600;
  color: var(--text-dark); cursor: pointer; text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
  display: inline-flex; align-items: center;
}
.btn-outline:hover { border-color: var(--purple); color: var(--purple); }

.hero-eyebrow {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--purple); margin-bottom: 20px;
}

.hero-h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.4rem, 5.5vw, 5rem);
  font-weight: 800; color: var(--text-dark);
  letter-spacing: -0.03em; line-height: 1.05; margin-bottom: 18px;
}

.hero-sub {
  font-size: 1.05rem; color: var(--text-mid);
  max-width: 540px; line-height: 1.65; margin-bottom: 40px;
}

.section-eyebrow {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--purple);
  margin-bottom: 14px; display: block;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.7rem, 3.2vw, 2.8rem);
  font-weight: 800; color: var(--text-dark);
  letter-spacing: -0.025em; line-height: 1.12;
}
.section-title.light { color: rgba(255,255,255,0.92); }

footer { background: var(--bg-dark); padding: 64px 48px 36px; }

.footer-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 32px; max-width: 1100px; margin: 0 auto 48px;
}

.footer-col h4 {
  font-family: 'Syne', sans-serif; font-size: 0.82rem; font-weight: 700;
  color: #fff; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px;
}

.footer-col a {
  display: block; font-size: 0.88rem; color: rgba(255,255,255,0.5);
  text-decoration: none; margin-bottom: 10px; transition: color 0.2s;
}
.footer-col a:hover { color: rgba(255,255,255,0.85); }

.footer-bottom {
  max-width: 1100px; margin: 0 auto; padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}

.footer-logo {
  font-family: 'Syne', sans-serif; font-size: 1.6rem; font-weight: 800;
  color: #fff; letter-spacing: -0.03em;
}
.footer-logo span { color: var(--purple-light); }

.footer-legal {
  font-size: 0.78rem; color: rgba(255,255,255,0.3);
  max-width: 520px; line-height: 1.6;
}

.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s;
}
.footer-social a svg { width: 16px; height: 16px; fill: rgba(255,255,255,0.5); transition: fill 0.2s; }
.footer-social a:hover { border-color: var(--purple-light); }
.footer-social a:hover svg { fill: var(--purple-light); }

@media (max-width: 900px) {
  nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  footer { padding: 48px 24px 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .btn-dark, .btn-outline { padding: 13px 24px; font-size: 0.95rem; }
}