:root {
  --primary: #4F46E5;
  --primary-light: #EEF2FF;
  --primary-mid: #C7D2FE;
  --primary-dark: #3730A3;
  --accent: #F59E0B;
  --accent-light: #FFFBEB;
  --accent-mid: #FDE68A;
  --success: #14B8A6;
  --success-light: #F0FDFA;
  --success-mid: #99F6E4;
  --error: #F97316;
  --error-light: #FFF7ED;
  --bg: #F9FAFB;
  --white: #FFFFFF;
  --text: #111827;
  --text-2: #6B7280;
  --text-3: #9CA3AF;
  --border: #E5E7EB;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow: 0 2px 16px rgba(79,70,229,0.08), 0 1px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 8px 40px rgba(79,70,229,0.13), 0 2px 8px rgba(0,0,0,0.07);
  --shadow-warm: 0 4px 24px rgba(245,158,11,0.18), 0 1px 4px rgba(0,0,0,0.05);
  --font: 'Plus Jakarta Sans', system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 28px; }
.container-narrow { max-width: 740px; margin: 0 auto; padding: 0 28px; }
.eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--primary); margin-bottom: 12px; display: block; }
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font); font-weight: 700; font-size: 15px; border-radius: var(--radius); padding: 13px 26px; cursor: pointer; border: none; text-decoration: none; transition: all 0.18s ease; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { filter: brightness(0.96); transform: translateY(-2px); box-shadow: var(--shadow-warm); }
.btn-ghost { background: transparent; color: var(--primary); border: 1.5px solid var(--primary-mid); }
.btn-ghost:hover { background: var(--primary-light); }
.btn-lg { font-size: 16px; padding: 16px 32px; border-radius: 14px; }
.btn-xl { font-size: 17px; padding: 18px 40px; border-radius: 14px; }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* NAV */
nav { background: rgba(249,250,251,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { font-size: 20px; font-weight: 800; letter-spacing: -0.4px; text-decoration: none; }
.nav-logo .iz { color: #111; } .nav-logo .zap { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--text-2); text-decoration: none; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--primary); font-weight: 700; }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-login { font-size: 13px; font-weight: 700; color: var(--text-2); text-decoration: none; border: 1.5px solid var(--border); border-radius: var(--radius); padding: 8px 16px; transition: border-color .15s, color .15s, background .15s; }
.nav-login:hover { color: var(--primary); border-color: var(--primary-mid); background: var(--primary-light); }
.nav-hamburger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 36px; height: 36px; padding: 4px; background: none; border: none; cursor: pointer; }
.nav-hamburger span { display: block; height: 2px; width: 22px; background: var(--text); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.is-open span:nth-child(2) { opacity: 0; }
.nav-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile-menu { display: none; background: #fff; border-top: 1px solid var(--border); box-shadow: 0 8px 24px rgba(0,0,0,0.08); overflow: hidden; transform-origin: top; }
.nav-mobile-menu.is-open { display: block; animation: mobileMenuIn .45s cubic-bezier(0.34, 1.56, 0.64, 1) both; }
@keyframes mobileMenuIn { from { opacity: 0; transform: translateY(-16px) scaleY(0.92); } to { opacity: 1; transform: translateY(0) scaleY(1); } }
.nav-mobile-links { list-style: none; padding: 8px 16px 0; margin: 0; }
.nav-mobile-links li a { display: flex; align-items: center; gap: 10px; padding: 11px 12px; font-size: 15px; font-weight: 500; color: var(--text-2); text-decoration: none; border-radius: 10px; transition: background .15s, color .15s; }
.nav-mobile-links li a:hover { background: var(--primary-light); color: var(--primary); }
.nav-mobile-divider { height: 1px; background: var(--border); margin: 8px 16px; }
.nav-mobile-cta { display: flex; flex-direction: column; padding: 0 16px 16px; gap: 2px; }
.nav-mobile-cta a { display: block; padding: 11px 12px; font-size: 15px; font-weight: 500; color: var(--text-2); text-decoration: none; border-radius: 10px; transition: background .15s, color .15s; }
.nav-mobile-cta a:hover { background: var(--primary-light); color: var(--primary); }
.nav-mobile-cta a:last-child { font-weight: 700; color: var(--primary); }

/* FINAL CTA */
.final-cta { padding: 96px 0; background: var(--primary); position: relative; overflow: hidden; }
.final-cta::before { content:''; position:absolute; top:-120px; right:-80px; width:500px; height:500px; border-radius:50%; background:rgba(255,255,255,.04); }
.final-cta::after { content:''; position:absolute; bottom:-80px; left:-60px; width:340px; height:340px; border-radius:50%; background:rgba(255,255,255,.04); }
.final-cta-inner { text-align: center; position: relative; z-index: 1; }
.final-cta h2 { font-size: 44px; font-weight: 800; letter-spacing: -1px; line-height: 1.1; color: #fff; margin-bottom: 16px; }
.final-cta p { font-size: 17px; color: rgba(255,255,255,.72); line-height: 1.6; max-width: 560px; margin: 0 auto 36px; }
.final-cta-note { font-size: 10px; color: rgba(255,255,255,.35); margin-top: 28px !important; letter-spacing: 0.04em; }
.final-perks { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.final-perk { display: flex; align-items: center; gap: 7px; font-size: 13px; color: rgba(255,255,255,.9); font-weight: 600; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15); border-radius: 100px; padding: 7px 16px; }
.perk-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

/* FOOTER */
footer { background: var(--text); color: rgba(255,255,255,.55); padding: 56px 0 40px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .nav-logo { display: block; margin-bottom: 14px; }
.footer-brand .nav-logo .iz { color: #fff; } .footer-brand .nav-logo .zap { color: rgba(255,255,255,.25); }
.footer-tagline { font-size: 13px; line-height: 1.65; max-width: 260px; }
.footer-col-title { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.9); margin-bottom: 16px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,.5); text-decoration: none; transition: color .15s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; }
.footer-copy { font-size: 12px; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 12px; color: rgba(255,255,255,.4); text-decoration: none; }
.footer-bottom-links a:hover { color: #fff; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a { width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.55); text-decoration: none; font-size: 16px; transition: background .15s, color .15s; }
.footer-social a:hover { background: rgba(255,255,255,.16); color: #fff; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
  .final-cta h2 { font-size: 30px; }
}