/* The landing: what it is, how it works (a live card), the levels, the price. Light, short, clear. */
.landing .nav { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: 18px; padding: 12px 20px; background: var(--paper); border-bottom: var(--bw) solid var(--ink); }
.nav .logo { font-size: 26px; }
.nav .mark { background: none; width: 34px; height: 34px; } .nav .mark svg { width: 34px; height: 34px; }
.nav-links { display: flex; gap: 18px; margin-left: auto; font-weight: 600; }
.nav-links a { text-decoration: none; }
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; padding: 48px 0 40px; }
.hero h1 { font-size: clamp(52px, 7vw, 96px); margin: 10px 0 0; }
.hero .sub { font-size: 20px; color: var(--ink2); max-width: 30ch; margin: 16px 0 24px; }
.btn.big { min-height: 60px; padding: 0 30px; font-size: 20px; }
.demo { display: flex; justify-content: center; }
.demo-card { width: min(380px, 100%); padding: 16px; background: var(--white); border: 3px solid var(--ink); border-radius: 28px; box-shadow: 0 8px 0 var(--ink); transform: rotate(1.2deg); }
.demo-q { font: 800 19px/1.25 var(--sans); min-height: 2.6em; margin: 2px 2px 10px; }
.demo-wrap { height: 380px; }
.demo-why { min-height: 2.8em; margin: 14px 2px 2px; padding: 10px 12px; border-radius: 14px; background: #23332a; color: #f1f5ec; font: 600 15px/1.35 var(--sans); opacity: 0; transform: translateY(8px); transition: opacity .3s, transform .4s cubic-bezier(.34,1.56,.64,1); }
.demo-why.on { opacity: 1; transform: none; }
.steps3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 30px 0; }
.steps3 article { padding: 20px; background: var(--white); border: var(--bw) solid var(--ink); border-radius: 22px; box-shadow: var(--lift); }
.steps3 b { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--volt); border: 2px solid var(--ink); font: 900 24px var(--display); }
.steps3 h2 { font-size: 44px; margin: 12px 0 4px; }
.steps3 p { margin: 0; font-size: 17px; color: var(--ink2); }
.ladder { padding: 40px 0; }
.ladder h2 { font-size: clamp(44px, 6vw, 76px); margin-bottom: 18px; }
.ladder ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.ladder li { display: grid; grid-template-columns: 130px 1fr; align-items: center; gap: 16px; padding: 14px 18px; background: var(--white); border: var(--bw) solid var(--ink); border-radius: 18px; font-size: 18px; font-weight: 600; }
.ladder li:nth-child(1) { margin-right: 32%; } .ladder li:nth-child(2) { margin-right: 24%; } .ladder li:nth-child(3) { margin-right: 16%; } .ladder li:nth-child(4) { margin-right: 8%; }
.ladder span { font: 900 26px var(--display); text-transform: uppercase; color: var(--coral); }
.buy { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; margin: 30px auto; padding: 30px; background: var(--ink); color: var(--white); border-radius: 28px; box-shadow: 0 8px 0 var(--coral); }
.buy h2 { font-size: clamp(44px, 6vw, 72px); color: var(--volt); }
.buy p { margin: 8px 0 0; color: #d6d9de; font-size: 18px; }
.faq { max-width: 760px; padding: 30px 0 60px; }
.faq details { border-top: 2px solid var(--ink); padding: 14px 0; } .faq details:last-child { border-bottom: 2px solid var(--ink); }
.faq summary { cursor: pointer; font: 800 19px var(--sans); }
.faq p { color: var(--ink2); margin: 10px 0 0; }
.foot { padding: 30px 0 60px; border-top: var(--bw) solid var(--ink); font-size: 14px; color: var(--ink2); }
.foot-guides { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 16px; }
.foot-guides b { width: 100%; font: 900 22px var(--display); text-transform: uppercase; color: var(--ink); }
@media (max-width: 800px) {
  .nav-links { display: none; } .nav .btn { margin-left: auto; }
  .hero { grid-template-columns: 1fr; gap: 24px; padding: 26px 0 20px; }
  .hero h1 { font-size: 50px; }
  .hero .sub { font-size: 17px; margin: 12px 0 18px; }
  .hero .btn { width: 100%; }
  .demo-card { transform: none; }
  .demo-wrap { height: 330px; }
  .steps3 { grid-template-columns: 1fr; }
  .ladder li { grid-template-columns: 1fr; gap: 2px; margin-right: 0 !important; }
  .buy { padding: 22px; } .buy .btn { width: 100%; }
}