/* ═══ Rahl shared UI — header / mobile sheet / tab bar / footer / reveal ═══ */
:root{
  --green:#4CB764;
  --green-dark:#3A9A52;
  --green-deep:#2D7A40;
  --green-soft:#E8F5EC;
  --bg:#F7F7F7;
  --surface:#FFFFFF;
  --ink:#030303;
  --muted:#646363;
  --line:#D8D8D8;
  --radius:12px;
  --radius-lg:16px;
  --radius-pill:999px;
  --shadow:0 2px 10px rgba(3,3,3,.06);
  --shadow-lg:0 16px 40px rgba(3,3,3,.1);
  --glass:rgba(255,255,255,.62);
  --glass-border:rgba(255,255,255,.75);
  --glass-shadow:0 8px 32px rgba(3,3,3,.07);
  --blur:blur(22px) saturate(165%);
  --content:1220px;
  --section-pad:clamp(64px,9vw,100px);
  --section-gap:clamp(32px,5vw,48px);
}

/* ── header ── */
header.top{
  position:sticky;top:0;z-index:100;
  padding:12px clamp(16px,4vw,32px);
  background:rgba(247,247,247,.72);
  backdrop-filter:blur(24px) saturate(180%);
  -webkit-backdrop-filter:blur(24px) saturate(180%);
  border-bottom:1px solid rgba(255,255,255,.6);
  transition:background .2s,box-shadow .2s;
}
header.top.is-scrolled{
  background:rgba(247,247,247,.92);
  box-shadow:0 8px 32px rgba(3,3,3,.06);
}
.header-bar{
  max-width:var(--content);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  gap:clamp(10px,2vw,16px);
}
.header-brand{
  display:flex;align-items:center;gap:12px;
  text-decoration:none;color:var(--ink);flex-shrink:0;
}
.header-brand img{
  width:48px;height:48px;border-radius:14px;
  border:1px solid rgba(255,255,255,.9);background:#fff;
  box-shadow:0 4px 14px rgba(76,183,100,.12);
}
.header-brand-text{display:flex;flex-direction:column;gap:2px}
.header-brand-text .name{font-weight:700;font-size:1.02rem;line-height:1.2;color:var(--ink)}
.header-brand-text .sub{
  font-size:.68rem;font-weight:600;color:var(--muted);
  letter-spacing:.06em;text-transform:uppercase;
}
.header-nav{
  display:flex;align-items:center;gap:2px;
  padding:5px 6px;border-radius:var(--radius-pill);
  background:#fff;
  border:1px solid rgba(3,3,3,.06);
  box-shadow:0 2px 16px rgba(3,3,3,.05);
}
.header-nav > a,
.nav-drop-btn{
  display:inline-flex;align-items:center;gap:7px;
  text-decoration:none;color:var(--ink);
  font-size:.82rem;font-weight:600;
  font-family:inherit;
  padding:10px clamp(10px,1.4vw,14px);
  border-radius:var(--radius-pill);
  white-space:nowrap;border:none;background:none;cursor:pointer;
  transition:background .15s,color .15s;
}
.header-nav > a svg,.nav-drop-btn svg{
  width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:2;flex:none;
  transition:stroke .15s;
}
.header-nav > a:hover,.nav-drop-btn:hover{background:rgba(247,247,247,.9);color:var(--green-deep)}
.header-nav > a:hover svg,.nav-drop-btn:hover svg{stroke:var(--green)}
.header-nav > a.is-active,
.nav-drop.is-open .nav-drop-btn,
.nav-drop-btn.is-active{background:rgba(232,245,236,.85);color:var(--green-deep)}
.header-nav > a.is-active svg,
.nav-drop.is-open .nav-drop-btn svg,
.nav-drop-btn.is-active svg{stroke:var(--green)}
.nav-chevron{width:12px!important;height:12px!important;stroke-width:3!important;transition:transform .2s}
.nav-drop.is-open .nav-chevron{transform:rotate(180deg)}

/* dropdown panel (Sat7ah mega style) */
.nav-drop{position:relative}
.nav-drop-panel{
  position:absolute;top:calc(100% + 14px);inset-inline-start:50%;
  transform:translateX(50%) translateY(-6px);
  min-width:250px;padding:8px;border-radius:18px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(24px) saturate(180%);
  -webkit-backdrop-filter:blur(24px) saturate(180%);
  border:1px solid rgba(3,3,3,.06);
  box-shadow:0 24px 64px rgba(3,3,3,.14);
  opacity:0;visibility:hidden;
  transition:opacity .18s,transform .18s,visibility .18s;
  z-index:110;
}
.nav-drop.is-open .nav-drop-panel{
  opacity:1;visibility:visible;
  transform:translateX(50%) translateY(0);
}
.nav-drop-panel a{
  display:flex;align-items:center;gap:12px;
  padding:10px 12px;border-radius:12px;
  text-decoration:none;color:var(--ink);
  transition:background .15s;
}
.nav-drop-panel a:hover{background:rgba(232,245,236,.7)}
.nav-drop-panel .mi{
  width:36px;height:36px;border-radius:10px;flex:none;
  display:grid;place-items:center;
  background:rgba(76,183,100,.1);border:1px solid rgba(76,183,100,.18);
}
.nav-drop-panel .mi svg{width:18px;height:18px;stroke:var(--green);fill:none;stroke-width:2}
.nav-drop-panel strong{display:block;font-size:.84rem;font-weight:700;line-height:1.3}
.nav-drop-panel span.d{display:block;font-size:.7rem;color:var(--muted);line-height:1.4}

.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-badge{
  display:none;align-items:center;gap:8px;
  padding:10px 14px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid rgba(3,3,3,.06);
  box-shadow:0 2px 12px rgba(3,3,3,.04);
  font-size:.78rem;font-weight:600;color:var(--muted);
  white-space:nowrap;
}
.header-badge svg{width:16px;height:16px;stroke:var(--green);fill:none;stroke-width:2;flex:none}
@media(min-width:1100px){.header-badge{display:inline-flex}}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  text-decoration:none;color:#fff;font-weight:700;font-size:.86rem;
  padding:11px clamp(16px,2vw,22px);
  border-radius:var(--radius-pill);white-space:nowrap;
  background:linear-gradient(135deg,var(--green) 0%,var(--green-dark) 55%,var(--green-deep) 100%);
  box-shadow:0 4px 18px rgba(76,183,100,.35);
  transition:transform .15s,box-shadow .15s,filter .15s;
}
.header-cta svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.5;flex:none}
.header-cta:hover{
  transform:translateY(-1px);
  box-shadow:0 8px 24px rgba(76,183,100,.42);
  filter:brightness(1.03);
}
.header-menu{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid rgba(3,3,3,.06);
  box-shadow:0 2px 12px rgba(3,3,3,.05);
  cursor:pointer;color:var(--ink);flex-shrink:0;
}
.header-menu svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2}

@media(max-width:980px){
  .header-nav{display:none}
  .header-menu{display:flex}
  .header-brand-text .sub{display:none}
  .header-cta span{display:none}
  .header-cta{padding:11px 14px}
}
@media(max-width:480px){
  .header-brand img{width:42px;height:42px}
  .header-brand-text .name{font-size:.92rem}
}

/* ── mobile bottom-sheet menu (iOS style, from Sat7ah) ── */
.sheet-overlay{
  position:fixed;inset:0;z-index:200;
  background:rgba(3,3,3,.35);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;
}
.sheet-overlay.is-open{opacity:1;visibility:visible}
.menu-sheet{
  position:fixed;inset-inline:0;bottom:0;z-index:201;
  max-height:86vh;overflow-y:auto;
  border-radius:24px 24px 0 0;
  background:rgba(250,250,250,.97);
  backdrop-filter:blur(28px) saturate(180%);
  -webkit-backdrop-filter:blur(28px) saturate(180%);
  box-shadow:0 -16px 60px rgba(3,3,3,.2);
  padding:10px 18px calc(18px + env(safe-area-inset-bottom,0px));
  transform:translateY(105%);
  transition:transform .32s cubic-bezier(.32,.72,.28,1);
}
.menu-sheet.is-open{transform:translateY(0)}
.menu-sheet__handle{
  width:40px;height:4px;border-radius:4px;margin:4px auto 12px;
  background:rgba(3,3,3,.16);
}
.menu-sheet__header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:14px;
}
.menu-sheet__title{font-weight:700;font-size:1.05rem;color:var(--ink)}
.menu-sheet__close{
  width:34px;height:34px;border-radius:50%;border:none;cursor:pointer;
  display:grid;place-items:center;color:var(--muted);
  background:rgba(3,3,3,.05);
}
.menu-sheet__close svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.5}
.menu-group{margin-bottom:14px}
.menu-group__label{
  display:block;font-size:.7rem;font-weight:700;color:var(--muted);
  margin:0 6px 8px;letter-spacing:.02em;
}
.menu-group__card{
  border-radius:16px;overflow:hidden;
  background:#fff;border:1px solid rgba(3,3,3,.05);
  box-shadow:0 2px 12px rgba(3,3,3,.04);
}
.menu-link{
  display:flex;align-items:center;gap:12px;
  padding:13px 16px;text-decoration:none;
  color:var(--ink);font-size:.92rem;font-weight:600;
  border-bottom:1px solid rgba(3,3,3,.05);
  transition:background .15s;
}
.menu-link:last-child{border-bottom:none}
.menu-link:active,.menu-link:hover{background:rgba(232,245,236,.6)}
.menu-link svg{width:18px;height:18px;stroke:var(--green);fill:none;stroke-width:2;flex:none}
.menu-link.is-active{color:var(--green-deep);background:rgba(232,245,236,.5)}
.menu-sheet__cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;padding:14px;border-radius:14px;
  text-decoration:none;color:#fff;font-weight:700;font-size:.95rem;
  background:linear-gradient(135deg,var(--green),var(--green-dark));
  box-shadow:0 6px 20px rgba(76,183,100,.35);
}
.menu-sheet__cta svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2.5}
body.sheet-locked{overflow:hidden}

/* ── detached bottom tab bar (iOS capsule, from Sat7ah) ── */
.tabbar{
  position:fixed;bottom:calc(14px + env(safe-area-inset-bottom,0px));
  inset-inline:0;z-index:150;
  display:none;justify-content:center;align-items:center;gap:10px;
  padding:0 16px;pointer-events:none;
}
@media(max-width:980px){.tabbar{display:flex}}
.tab-capsule{
  pointer-events:auto;
  display:flex;align-items:center;gap:2px;
  padding:6px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(24px) saturate(180%);
  -webkit-backdrop-filter:blur(24px) saturate(180%);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:0 12px 40px rgba(3,3,3,.16);
}
.tab-item{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:8px 13px;border-radius:var(--radius-pill);
  text-decoration:none;color:var(--muted);
  font-size:.62rem;font-weight:700;
  transition:background .18s,color .18s;
}
.tab-item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:2;flex:none}
.tab-item.is-active{color:var(--green-deep);background:rgba(232,245,236,.9)}
.tab-item.is-active svg{stroke:var(--green)}
.tab-fab{
  pointer-events:auto;
  width:52px;height:52px;border-radius:50%;flex:none;
  display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--green),var(--green-deep));
  box-shadow:0 12px 32px rgba(76,183,100,.45);
  transition:transform .18s;
}
.tab-fab:active{transform:scale(.94)}
.tab-fab svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2.5}
@media(max-width:980px){
  body{padding-bottom:96px}
  footer{margin-bottom:0}
}

/* ── footer (shared) ── */
footer{
  position:relative;z-index:1;
  border-top:2px solid rgba(76,183,100,.25);
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  color:var(--muted);font-size:.84rem;
}
footer .wrap{
  padding:26px clamp(20px,4vw,40px);display:flex;flex-wrap:wrap;gap:10px 20px;
  justify-content:space-between;align-items:center;
}
footer .footer-brand{font-weight:600;color:var(--ink);font-size:.88rem}
footer a{color:var(--green-deep);text-decoration:none;font-weight:500}
footer a:hover{text-decoration:underline}

/* ── scroll-reveal animations ── */
[data-reveal]{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1);
  transition-delay:var(--reveal-delay,0s);
  will-change:opacity,transform;
}
[data-reveal="fade-left"]{transform:translateX(-32px)}
[data-reveal="fade-right"]{transform:translateX(32px)}
[data-reveal="zoom"]{transform:scale(.92)}
[data-reveal].is-revealed{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1!important;transform:none!important;transition:none!important}
  .menu-sheet,.sheet-overlay{transition:none}
}

/* ── shared sub-page layout ── */
.page-hero{
  position:relative;z-index:1;
  padding:clamp(44px,7vw,72px) clamp(20px,4vw,40px) clamp(20px,3vw,32px);
  text-align:center;
}
.page-hero .label{
  display:inline-block;font-size:.72rem;font-weight:700;color:var(--green-deep);
  background:rgba(76,183,100,.1);border:1px solid rgba(76,183,100,.22);
  border-radius:var(--radius-pill);padding:5px 14px;margin-bottom:12px;
}
.page-hero h1{
  margin:0 0 10px;font-size:clamp(1.6rem,3.6vw,2.2rem);font-weight:700;
  color:var(--ink);line-height:1.35;letter-spacing:-.02em;text-wrap:balance;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(135deg,var(--green-deep),var(--green));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.page-hero p{margin:0 auto;color:var(--muted);font-size:.98rem;max-width:56ch;line-height:1.8}

/* ── stats band ── */
.stats{position:relative;z-index:1;padding-bottom:var(--section-pad)}
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,2vw,20px);
  padding:clamp(24px,3.5vw,36px);border-radius:22px;
  background:rgba(232,245,236,.5);
  backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);
  border:1px solid rgba(255,255,255,.72);
  box-shadow:var(--glass-shadow);
}
@media(max-width:860px){.stats-band{grid-template-columns:repeat(2,1fr)}}
.stat-tile{
  text-align:center;padding:14px 8px;border-radius:16px;
  transition:background .18s,transform .18s;
}
.stat-tile:hover{background:rgba(255,255,255,.55);transform:translateY(-3px)}
.stat-ic{
  width:44px;height:44px;border-radius:13px;margin:0 auto 10px;
  display:grid;place-items:center;
  background:#fff;border:1px solid rgba(76,183,100,.2);
  box-shadow:0 4px 14px rgba(76,183,100,.12);
}
.stat-ic svg{width:20px;height:20px;stroke:var(--green);fill:none;stroke-width:2}
.stat-num{
  font-size:clamp(1.5rem,3vw,2.1rem);font-weight:700;line-height:1.2;
  background:linear-gradient(135deg,var(--green-deep),var(--green));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.stat-lbl{font-size:.82rem;font-weight:600;color:var(--muted);margin-top:4px;line-height:1.5}

/* ── FAQ accordion (shared: home preview + faq page) ── */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:820px;margin-inline:auto}
details.faq{
  border-radius:16px;overflow:hidden;
  background:rgba(255,255,255,.6);
  backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);
  border:1px solid rgba(255,255,255,.75);
  box-shadow:var(--glass-shadow);
  transition:box-shadow .2s;
}
details.faq[open]{box-shadow:0 14px 40px rgba(3,3,3,.1)}
details.faq summary{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;cursor:pointer;list-style:none;
  font-weight:700;font-size:.98rem;color:var(--ink);
  user-select:none;
}
details.faq summary::-webkit-details-marker{display:none}
.faq-q-icon{
  width:38px;height:38px;border-radius:11px;flex:none;
  display:grid;place-items:center;
  background:rgba(76,183,100,.1);border:1px solid rgba(76,183,100,.2);
}
.faq-q-icon svg{width:18px;height:18px;stroke:var(--green);fill:none;stroke-width:2}
.faq-chev{
  margin-inline-start:auto;flex:none;
  width:22px;height:22px;display:grid;place-items:center;
  color:var(--muted);transition:transform .25s;
}
.faq-chev svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.5}
details.faq[open] .faq-chev{transform:rotate(180deg);color:var(--green)}
.faq-a{
  padding:0 20px 20px 20px;margin-inline-start:52px;
  color:var(--muted);font-size:.92rem;line-height:1.9;
}
@media(max-width:520px){.faq-a{margin-inline-start:0}}
.faq-a a{color:var(--green-deep);font-weight:600;text-decoration:none}
.faq-a a:hover{text-decoration:underline}
.faq-more{
  text-align:center;margin:24px 0 0;
  color:var(--muted);font-size:.92rem;
}
.faq-more a{color:var(--green-deep);font-weight:700;text-decoration:none}
.faq-more a:hover{text-decoration:underline}
.faq-preview{position:relative;z-index:1;padding-block:var(--section-pad) 0}