/* ============ Kravo — ledger & verification ============ */
:root{
  --bg:#FAFAF8; --surface:#FFFFFF; --ink:#1A211D; --muted:#5C6661;
  --accent:#1F6B4E; --accent-ink:#174F3A; --soft:#EAF1EC; --line:#E5E7E2;
  --chip:#F3F4F1; --shadow:0 1px 2px rgba(20,30,25,.05),0 8px 24px rgba(20,30,25,.06);
  --r:14px; --r-sm:9px;
}
[data-theme="dark"]{
  --bg:#0F1312; --surface:#161B19; --ink:#E9EDEA; --muted:#98A39D;
  --accent:#57B08A; --accent-ink:#7BC7A4; --soft:#1C2622; --line:#242A27;
  --chip:#1B211E; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg); color:var(--ink);
  font-size:16px; line-height:1.6;
  transition:background .3s ease,color .3s ease;
  -webkit-font-smoothing:antialiased;
}
.mono{font-family:'JetBrains Mono',ui-monospace,monospace}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}
.logo{font-weight:700;font-size:1.25rem;letter-spacing:-.02em;display:flex;align-items:center;gap:2px}
.logo .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;margin-left:3px;transform:translateY(4px)}
.nav-links{display:flex;align-items:center;gap:28px;font-size:.925rem}
.nav-links a{color:var(--muted);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.theme-btn{
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:1rem;
  display:grid;place-items:center;transition:transform .2s,border-color .2s;
}
.theme-btn:hover{transform:rotate(15deg);border-color:var(--accent)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px color-mix(in srgb,var(--accent) 35%,transparent)}
[data-theme="dark"] .btn-primary{color:#0F1312}
.btn-ghost{border-color:var(--line);background:var(--surface);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);transform:translateY(-2px)}

/* ---------- layout ---------- */
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
section{padding:88px 0}
.eyebrow{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:14px}
h1{font-size:clamp(2.1rem,5vw,3.4rem);line-height:1.12;letter-spacing:-.03em;font-weight:700}
h2{font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.02em;font-weight:700;margin-bottom:10px}
.lede{color:var(--muted);font-size:1.08rem;max-width:56ch;margin-top:18px}

/* ---------- hero ---------- */
.hero{padding:96px 0 72px;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-note{margin-top:22px;font-size:.85rem;color:var(--muted)}

/* ledger card — signature element */
.ledger{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);padding:22px;position:relative;overflow:hidden;
}
.ledger-title{font-size:.72rem;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;margin-bottom:14px;display:flex;justify-content:space-between}
.chips{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.chip{
  font-size:.8rem;background:var(--chip);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:8px 12px;color:var(--muted);
  opacity:0;transform:translateX(-14px);animation:chipIn .5s ease forwards;
  max-width:88%;
}
.chip:nth-child(2){animation-delay:.5s;align-self:flex-end}
.chip:nth-child(3){animation-delay:1s}
@keyframes chipIn{to{opacity:1;transform:none}}
.ledger-row{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;
  font-size:.82rem;opacity:0;animation:chipIn .5s ease 1.6s forwards;background:var(--bg);
}
.ledger-row .qty{color:var(--muted)}
.stamp{
  font-size:.68rem;font-weight:700;letter-spacing:.1em;color:var(--accent);
  border:1.5px solid var(--accent);border-radius:6px;padding:3px 8px;
  transform:scale(1.6) rotate(-8deg);opacity:0;
  animation:stampIn .35s cubic-bezier(.2,1.4,.4,1) 2.3s forwards;
}
@keyframes stampIn{to{opacity:1;transform:scale(1) rotate(-4deg)}}

/* ---------- cards ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
.card .ico{
  width:40px;height:40px;border-radius:10px;background:var(--soft);color:var(--accent);
  display:grid;place-items:center;font-size:1.1rem;margin-bottom:16px;
}
.card h3{font-size:1.05rem;margin-bottom:8px;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:.92rem}
.card .tag{display:inline-block;margin-top:12px;font-size:.7rem;color:var(--muted);border:1px solid var(--line);padding:2px 8px;border-radius:999px}

/* ---------- who / list ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.who-list{list-style:none;margin-top:24px;display:flex;flex-direction:column;gap:12px}
.who-list li{display:flex;gap:12px;align-items:flex-start;color:var(--muted)}
.who-list .tick{color:var(--accent);font-weight:700;flex-shrink:0}
.trust{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.trust .chip-static{
  font-size:.8rem;background:var(--chip);border:1px solid var(--line);
  border-radius:999px;padding:7px 16px;color:var(--muted);
}

/* ---------- band ---------- */
.band{
  background:var(--soft);border:1px solid color-mix(in srgb,var(--accent) 18%,var(--line));
  border-radius:var(--r);padding:44px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.band h2{margin-bottom:6px}
.band p{color:var(--muted)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px;counter-reset:step}
.step{position:relative;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.step .n{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:.8rem;font-weight:700;margin-bottom:12px;display:block}
.step h3{font-size:1rem;margin-bottom:6px}
.step p{font-size:.88rem;color:var(--muted)}

/* ---------- service blocks ---------- */
.svc{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:30px 0;border-bottom:1px solid var(--line)}
.svc:last-of-type{border-bottom:none}
.svc .ico{width:48px;height:48px;border-radius:12px;background:var(--soft);color:var(--accent);display:grid;place-items:center;font-size:1.25rem}
.svc h3{font-size:1.15rem;margin-bottom:6px;letter-spacing:-.01em}
.svc p{color:var(--muted);max-width:62ch}
.svc .tag{display:inline-block;margin-top:10px;font-size:.72rem;color:var(--accent);background:var(--soft);padding:3px 10px;border-radius:999px;font-weight:600}

/* ---------- form ---------- */
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);padding:36px;max-width:640px;margin:40px auto 0;
}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-group{margin-bottom:18px;display:flex;flex-direction:column;gap:6px}
label{font-size:.85rem;font-weight:600}
label .req{color:var(--accent)}
input,select,textarea{
  font-family:inherit;font-size:.95rem;color:var(--ink);
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:11px 13px;transition:border-color .2s,box-shadow .2s;width:100%;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 15%,transparent);
}
textarea{resize:vertical;min-height:110px}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg input{display:none}
.seg label{
  border:1px solid var(--line);border-radius:999px;padding:8px 16px;cursor:pointer;
  font-weight:500;font-size:.88rem;color:var(--muted);background:var(--bg);
  transition:all .2s ease;
}
.seg input:checked+label{background:var(--accent);color:#fff;border-color:var(--accent)}
[data-theme="dark"] .seg input:checked+label{color:#0F1312}
.seg label:hover{border-color:var(--accent)}
.notice{
  display:flex;gap:10px;align-items:flex-start;font-size:.84rem;color:var(--muted);
  background:var(--chip);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 14px;margin-bottom:18px;
}
.notice .i{color:var(--accent);font-weight:700}
.urgent{display:block;text-align:center;margin-top:18px;font-size:.88rem;color:var(--muted)}
.urgent a{color:var(--accent);font-weight:600;border-bottom:1px solid transparent;transition:border-color .2s}
.urgent a:hover{border-color:var(--accent)}
.form-msg{margin-top:16px;font-size:.9rem;padding:12px 14px;border-radius:var(--r-sm);display:none}
.form-msg.ok{display:block;background:var(--soft);color:var(--accent-ink);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent)}
.form-msg.err{display:block;background:color-mix(in srgb,#C0392B 10%,var(--surface));color:#C0392B;border:1px solid color-mix(in srgb,#C0392B 30%,transparent)}

/* skeleton */
.skel .sk{
  border-radius:var(--r-sm);background:linear-gradient(90deg,var(--chip) 25%,var(--line) 50%,var(--chip) 75%);
  background-size:200% 100%;animation:shimmer 1.2s infinite;
}
@keyframes shimmer{to{background-position:-200% 0}}
.hidden{display:none!important}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:36px 0;margin-top:40px}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:.85rem;color:var(--muted)}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .hero{grid-template-columns:1fr;padding:64px 0 48px}
  .grid3,.steps{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
  .nav-links{gap:16px}
  .nav-links .hide-m{display:none}
  section{padding:64px 0}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}