:root{
  --bg:#0b1220;
  --fg:#101827;
  --muted:#6b7280;
  --ring:#e5e7eb;
  --brand:#0ea5e9;
  --brand-2:#22c55e;
  --paper:#ffffff;
}

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,"Noto Sans","Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol",sans-serif;
  color:#0f172a;
  background:#f8fafc;
  line-height:1.6;
}

/* Layout */
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.header{
  position:sticky;top:0;z-index:50;
  background:var(--paper);border-bottom:1px solid var(--ring);
  backdrop-filter:saturate(180%) blur(8px);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.brand__logo{width:36px;height:36px}
.brand__title{font-weight:800;letter-spacing:.1px}
.nav{display:flex;gap:18px;align-items:center}
.nav a{color:#0f172a;text-decoration:none;font-weight:600;opacity:.85}
.nav a:hover{opacity:1}
.nav__cta{
  display:inline-block;padding:10px 14px;border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  color:#fff!important;font-weight:700; box-shadow:0 6px 24px rgba(14,165,233,.35);
}
.burger{display:none;background:none;border:0;font-size:26px}

/* Hero */
.hero{background:linear-gradient(180deg,#e0f2fe,transparent);padding:48px 0 16px}
.hero__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
.hero h1{font-size:clamp(28px,3vw,44px);line-height:1.2;margin:0 0 8px}
.hero p{font-size:clamp(16px,2vw,19px);color:#334155;margin:0 0 18px}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap}
.button{
  display:inline-block;padding:12px 16px;border-radius:12px;
  text-decoration:none;font-weight:700;border:2px solid transparent
}
.button.primary{background:#0ea5e9;color:#fff}
.button.secondary{background:#fff;border-color:#0ea5e9;color:#0ea5e9}
.hero__media{
  width:100%;aspect-ratio:4/3;border-radius:16px;border:1px dashed #94a3b8;
  background:#f1f5f9 url('../img/hero-placeholder.svg') center/cover no-repeat;
}

/* Sections */
.section{padding:56px 0}
.section h2{font-size:28px;margin:0 0 8px}
.section p.lead{color:#475569;margin:0 0 24px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--paper);border:1px solid var(--ring);border-radius:16px;overflow:hidden;box-shadow:0 6px 20px rgba(2,6,23,.05)}
.card__img{width:100%;aspect-ratio:16/9;background:#f1f5f9;border-bottom:1px dashed #cbd5e1}
.card__body{padding:16px}
.card__body h3{margin:0 0 8px;font-size:18px}
.card__body p{margin:0;color:#475569}

/* Pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price-card{background:#fff;border:1px solid var(--ring);border-radius:16px;padding:20px;box-shadow:0 6px 20px rgba(2,6,23,.05)}
.price-card .name{font-weight:800;margin:0 0 8px}
.price{font-size:32px;font-weight:900;margin:8px 0}
.features{list-style:none;padding:0;margin:0;display:grid;gap:8px;color:#475569}
.features li:before{content:"✔";margin-right:8px}

/* Footer */
.footer{border-top:1px solid var(--ring);background:#fff;padding:24px 0;color:#475569}
.footer a{color:#0ea5e9;text-decoration:none}
.footer__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:center}

/* Forms */
.input, .textarea, .select{
  width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;font:inherit
}
.textarea{min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-actions{margin-top:12px}

/* Utilities */
.muted{color:#64748b}
.center{text-align:center}
.kicker{letter-spacing:.12em;text-transform:uppercase;color:#0284c7;font-weight:800;font-size:12px}
.badge{display:inline-block;padding:4px 10px;background:#e0f2fe;border-radius:999px;color:#075985;font-weight:700;font-size:12px}
.spacer{height:28px}
hr{border:none;border-top:1px solid var(--ring);margin:24px 0}

@media (max-width: 900px){
  .hero__grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .pricing-grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .nav{display:none;position:absolute;top:64px;right:16px;background:#fff;border:1px solid var(--ring);border-radius:12px;padding:12px;flex-direction:column;gap:10px;box-shadow:0 8px 30px rgba(2,6,23,.12)}
  .burger{display:block}
}