/* Shared enhancement layer — theme-aware, uses theme CSS variables only.
   Loaded after themes/*.css so it can extend any theme. */

/* ---- Hero upgrade ---- */
.hero{padding:120px 0 96px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:auto -10% -55% -10%;height:120%;
  background:radial-gradient(ellipse at 50% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 65%);
  pointer-events:none}
.hero-copy{position:relative}
.hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.25;letter-spacing:-.01em;margin:.2em 0 .4em;font-weight:800}
.hero .sub{font-size:17px}
.hero .btns{margin-top:30px}
.hero .btn{padding:13px 26px;font-size:15px;border-radius:8px;transition:transform .18s ease,box-shadow .18s ease}
.hero .btn.pri{box-shadow:0 6px 18px color-mix(in srgb, var(--accent) 28%, transparent)}
.hero .btn:hover{transform:translateY(-2px)}
.hero .en-sub{opacity:.85}

/* ---- Stats band ---- */
.stats{border-bottom:1px solid var(--line);background:var(--soft)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:26px 28px}
.stat{text-align:center;padding:6px 8px}
.stat b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--accent)}
.stat span{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
@media (max-width:640px){.stats .wrap{grid-template-columns:repeat(2,1fr)}}

/* ---- Section rhythm ---- */
section{padding:78px 0}
section h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.01em;margin:.2em 0 .3em}
section .lead{color:var(--muted);max-width:640px}

/* ---- Business cards ---- */
#business .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
#business .cell{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:22px 20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
#business .cell:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(0,0,0,.07);border-color:color-mix(in srgb,var(--accent) 35%, var(--line))}
#business .cell em{font-style:normal;font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.14em}
#business .cell b{display:block;margin:8px 0 6px;font-size:16.5px}
#business .cell span{font-size:13.5px;color:var(--muted);line-height:1.6;display:block}
@media (max-width:820px){#business .grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){#business .grid{grid-template-columns:1fr}}

/* ---- Process steps ---- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:44px;counter-reset:step}
.step{position:relative;text-align:center;padding:0 18px}
.step::before{counter-increment:step;content:"0" counter(step);display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:50%;background:var(--soft);border:1.5px solid var(--accent);
  color:var(--accent);font-weight:800;font-size:15px;margin-bottom:16px}
.step:not(:last-child)::after{content:"";position:absolute;top:26px;left:calc(50% + 34px);right:calc(-50% + 34px);
  height:1.5px;background:repeating-linear-gradient(90deg,var(--line) 0 7px,transparent 7px 13px)}
.step b{display:block;font-size:16px;margin-bottom:7px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.65;margin:0}
@media (max-width:820px){.flow{grid-template-columns:repeat(2,1fr);gap:34px 0}
  .step:nth-child(2)::after{display:none}}
@media (max-width:520px){.flow{grid-template-columns:1fr;gap:30px}
  .step::after{display:none}}

/* ---- FAQ ---- */
.faq{max-width:760px;margin-top:34px}
.faq details{border:1px solid var(--line);border-radius:10px;background:var(--soft);margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:700;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;font-weight:400;color:var(--accent);transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0;padding:0 20px 18px;font-size:14.5px;color:var(--muted);line-height:1.75}

/* ---- Why cards ---- */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
.why>div{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:24px 22px;
  border-top:3px solid var(--accent);transition:transform .2s ease,box-shadow .2s ease}
.why>div:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(0,0,0,.07)}
.why b{font-size:16.5px}
.why p{font-size:13.5px;color:var(--muted);line-height:1.7;margin:8px 0 0}
@media (max-width:820px){.why{grid-template-columns:1fr}}

/* ---- Footer ---- */
footer{border-top:1px solid var(--line);padding:34px 28px;font-size:13px;color:var(--muted);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;line-height:1.7}
footer a:hover{color:var(--accent)}

/* ---- Scroll reveal ---- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---- Nav polish ---- */
.nav a{position:relative;padding:4px 0}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav a:hover::after{transform:scaleX(1)}