/* Gathering of Tribes. Clean, airy layout: white ground, soft green glows, rounded cards, pill buttons.
   FONT: the typeface is set in build.py (FONT_DISPLAY / FONT_BODY), which writes --font-display and --font-body.
   Palette: dark green, greys, white. */
:root{
  --green:#1d3b32;--green-2:#2c5446;--green-3:#3f7262;--mint:#e8f0ec;
  --bg:#ffffff;--bg-soft:#f5f7f6;--ink:#14211c;--muted:#5d6964;--faint:#8a9590;--line:#e4e9e6;--card:#ffffff;
  --font-body:system-ui,-apple-system,"Segoe UI",sans-serif;--font-display:var(--font-body);
  --r-sm:12px;--r:20px;--r-lg:28px;
  --shadow:0 1px 2px rgba(20,33,28,.04),0 8px 24px -12px rgba(20,33,28,.12);
  --shadow-up:0 2px 4px rgba(20,33,28,.05),0 20px 40px -18px rgba(20,33,28,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{margin:0;background:var(--bg);color:var(--ink);font:18.5px/1.6 var(--font-body);-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:var(--green)}
h1,h2,h3{font-family:var(--font-display);color:var(--ink);letter-spacing:.01em;line-height:1.15;text-wrap:balance;font-weight:700}
h1{font-size:clamp(2.3rem,6vw,3.8rem);margin:.15em 0 .3em}
h2{font-size:clamp(1.6rem,3.4vw,2.2rem);margin:2.2em 0 .2em}
h3{font-size:1.12rem;margin:.1em 0 .4em}
p{margin:.6em 0}
.sr{position:absolute;left:-9999px}

/* Header: frosted bar */
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.78);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.bar{max-width:1160px;margin:auto;padding:12px 20px;display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);margin-right:auto;font:650 17px/1 var(--font-display);letter-spacing:-.01em}
.brand img{height:34px;width:auto;display:block}
.lang{font:600 13px/1 var(--font-body);color:var(--muted);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:7px 11px;background:var(--bg);transition:border-color .2s,color .2s}
.lang:hover{border-color:var(--green-3);color:var(--green)}
nav{order:3;width:100%;display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;margin:0 -6px;padding:2px 0}
nav::-webkit-scrollbar{display:none}
nav a{flex:none;font:500 14.5px/1 var(--font-body);color:var(--muted);text-decoration:none;padding:9px 12px;border-radius:999px;transition:background .2s,color .2s}
nav a:hover{background:var(--bg-soft);color:var(--ink)}
nav a[aria-current]{background:var(--mint);color:var(--green);font-weight:600}

/* Page */
main{max-width:1160px;margin:auto;padding:0 20px 96px;position:relative}
main::before{content:"";position:absolute;inset:-80px -30vw auto;height:560px;z-index:-1;pointer-events:none;
  background:radial-gradient(520px 320px at 12% 30%,rgba(63,114,98,.16),transparent 70%),radial-gradient(480px 300px at 88% 10%,rgba(29,59,50,.10),transparent 70%)}
.page>h1:first-child{padding-top:64px}
.lead{font-size:clamp(1.08rem,1.6vw,1.25rem);color:var(--muted);max-width:62ch;line-height:1.6}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font:600 13px/1 var(--font-body);color:var(--green);background:var(--mint);border:1px solid rgba(29,59,50,.10);padding:8px 14px;border-radius:999px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green-3);box-shadow:0 0 0 4px rgba(63,114,98,.18)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--green);color:#fff;padding:13px 22px;border-radius:999px;text-decoration:none;font:600 15.5px/1 var(--font-body);margin:8px 8px 0 0;border:1px solid var(--green);box-shadow:0 6px 18px -8px rgba(29,59,50,.6);transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-1px);background:var(--green-2);box-shadow:0 10px 24px -10px rgba(29,59,50,.7)}
.btn.alt{background:var(--bg);color:var(--ink);border-color:var(--line);box-shadow:var(--shadow)}
.btn.alt:hover{border-color:var(--green-3);background:var(--bg)}
.btn::after{content:"→";transition:transform .2s}.btn:hover::after{transform:translateX(3px)}
.btn.alt::after{content:none}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(63,114,98,.45);outline-offset:2px}

/* Home hero: full-bleed photo carousel from Myoho Valley */
.page-index>.hero,.drone{width:100vw;margin-left:calc(50% - 50vw)}
.hero{position:relative;min-height:min(86vh,820px);display:flex;flex-direction:column;justify-content:flex-end;color:#fff;isolation:isolate;overflow:hidden;background:var(--green)}
.slide{position:absolute;inset:0;margin:0;opacity:0;transition:opacity 1.4s ease;z-index:-3}
.slide.on{opacity:1}
.slide img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 7s ease-out}
.slide.on img{transform:scale(1)}
.veil{position:absolute;inset:0;z-index:-2;background:linear-gradient(180deg,rgba(12,26,22,.55) 0%,rgba(12,26,22,.05) 30%,rgba(12,26,22,.25) 55%,rgba(12,26,22,.88) 100%),linear-gradient(90deg,rgba(12,26,22,.55),transparent 65%)}
.hero-inner{max-width:1160px;width:100%;margin:0 auto;padding:120px 20px 28px}
.hero h1{color:#fff;font-size:clamp(2.6rem,7.6vw,5.8rem);line-height:1.02;margin:18px 0 14px;max-width:11ch;text-shadow:0 2px 30px rgba(0,0,0,.25)}
.hero .lead{color:rgba(255,255,255,.9);max-width:52ch}
.hero .eyebrow{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25);backdrop-filter:blur(6px)}
.hero .eyebrow::before{background:#8fc2ad;box-shadow:0 0 0 4px rgba(143,194,173,.25)}
.hero .btn{background:#fff;color:var(--green);border-color:#fff}
.hero .btn:hover{background:var(--mint)}
.hero .btn.alt{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.4);box-shadow:none}
.hero-foot{max-width:1160px;width:100%;margin:0 auto;padding:18px 20px 26px;display:flex;justify-content:space-between;align-items:center;gap:16px;border-top:1px solid rgba(255,255,255,.18)}
.cap{display:flex;align-items:center;gap:10px;font-size:14px;letter-spacing:.04em;color:rgba(255,255,255,.85)}
.cap .sym{width:16px;height:16px;margin:0;color:#a9d3c2}
.dots{display:flex;gap:10px}
.dots button{width:11px;height:11px;border-radius:50%;border:1px solid rgba(255,255,255,.7);background:transparent;padding:0;cursor:pointer;transition:background .3s,transform .3s}
.dots button[aria-current]{background:#fff;transform:scale(1.15)}
.hero-logo{display:none}

/* Elements row: open columns instead of boxed cards */
.home-cards{margin:56px 0 24px;gap:0}
.home-cards .card{background:none;border:0;border-left:1px solid var(--line);border-radius:0;box-shadow:none;padding:6px 32px}
.home-cards .card:first-child{border-left:0;padding-left:0}
.home-cards .card:hover{transform:none;box-shadow:none}
@media (max-width:820px){.home-cards .card{border-left:0;border-top:1px solid var(--line);padding:24px 0}.home-cards .card:first-child{border-top:0}}

/* Drone band */
.drone{position:relative;margin-top:56px;min-height:min(70vh,640px);display:flex;align-items:flex-end;color:#fff;isolation:isolate;overflow:hidden;background:var(--green)}
.drone video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.drone::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(12,26,22,.85),rgba(12,26,22,.1) 60%)}
.drone-txt{max-width:1160px;width:100%;margin:0 auto;padding:48px 20px}
.drone-txt h2{color:#fff;margin:.3em 0 .2em}.drone-txt p{color:rgba(255,255,255,.85);max-width:50ch}
.drone-txt .sym{color:#a9d3c2;margin:0}
.drone .btn.alt{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.4);box-shadow:none}

/* Gallery: uneven masonry */
.gallery h2{margin-top:.4em}
.masonry{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:24px}
.masonry figure{margin:0;position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:3/4;max-width:100%}
.masonry figure:nth-child(even){transform:translateY(28px)}
.masonry img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.masonry figure:hover img{transform:scale(1.04)}
@media (max-width:820px){.masonry{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;margin-right:-20px;padding-right:20px}
  .masonry figure{flex:0 0 62%;scroll-snap-align:start}.masonry figure:nth-child(even){transform:none}}
.gallery{margin-bottom:28px}
.masonry figcaption{position:absolute;left:12px;bottom:12px;font-size:13px;color:#fff;background:rgba(12,26,22,.55);backdrop-filter:blur(6px);padding:5px 11px;border-radius:999px}

/* Cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:18px;margin:28px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,border-color .25s;min-width:0}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-up);border-color:#d5ddd9}
.sym{width:34px;height:34px;display:block;color:var(--green-3);margin-bottom:14px}
.orn{display:flex;align-items:center;gap:14px;margin:48px auto 8px;max-width:420px;color:var(--faint)}
.orn span{flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}
.orn .sym{width:18px;height:18px;margin:0;color:var(--faint)}
.stone{position:absolute;right:-60px;top:50%;width:min(520px,60%);transform:translateY(-50%);color:#fff;opacity:.16;z-index:-1;pointer-events:none}
.fsym{width:16px;height:16px;vertical-align:-3px;margin-right:8px;color:var(--green-3)}
@media (max-width:640px){.stone{right:-120px;width:340px;opacity:.12}}
.card p{color:var(--muted);margin:0}
.card .btn{margin-top:16px}
.home-cards{margin-top:20px}

/* Pillars: dark green tiles */
.pillars{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.pillars .card{background:linear-gradient(160deg,var(--green-2),var(--green));border-color:transparent;color:#fff;position:relative;overflow:hidden}
.pillars .card::after{content:"";position:absolute;width:180px;height:180px;right:-60px;top:-60px;background:radial-gradient(closest-side,rgba(143,194,173,.35),transparent)}
.pillars .card h3{color:#fff}.pillars .card p{color:rgba(255,255,255,.78)}
.pillars .card .sym{color:#a9d3c2}

/* Call to action band (home) */
.band{margin:56px 0 0;padding:clamp(28px,5vw,52px);border-radius:var(--r-lg);background:var(--bg-soft);border:1px solid var(--line);display:grid;gap:8px;position:relative;overflow:hidden}
.band::before{content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-200px;background:radial-gradient(closest-side,rgba(63,114,98,.18),transparent)}
.band h2{margin:0}.band p{color:var(--muted);max-width:60ch;margin:0 0 6px}

/* Media */
.land{width:100%;max-height:520px;object-fit:cover;object-position:center 40%;border-radius:var(--r-lg);margin:20px 0;box-shadow:var(--shadow-up)}
.vid{aspect-ratio:16/9;max-width:100%;background:linear-gradient(135deg,var(--bg-soft),var(--mint));border-radius:var(--r-sm);display:grid;place-items:center;color:var(--green-3);font-size:1.6rem;margin-top:14px}
iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:var(--r-sm);margin-top:14px}

/* Forms */
form{display:grid;gap:16px;max-width:620px;margin:28px 0;padding:clamp(20px,4vw,32px);background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
label{display:grid;gap:7px;font:600 14px/1.4 var(--font-body);color:var(--ink)}
input,textarea{font:16px/1.5 var(--font-body);padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--bg-soft);color:var(--ink);transition:border-color .2s,box-shadow .2s,background .2s}
input:focus,textarea:focus{outline:none;background:var(--bg);border-color:var(--green-3);box-shadow:0 0 0 4px rgba(63,114,98,.15)}
button.btn{cursor:pointer;justify-self:start;margin:4px 0 0}

/* FAQ */
details{background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:4px 20px;margin:10px 0;max-width:760px;box-shadow:var(--shadow);transition:border-color .2s}
details[open]{border-color:#cfd9d4}
summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-weight:400;font-size:1.3em;line-height:1;color:var(--green-3);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin:0 0 16px;color:var(--muted)}

.todo{background:#fff4c2;color:#4a3b00;padding:1px 6px;border-radius:6px}
.note{font-size:14px;color:var(--faint)}
strong{color:var(--green)}

footer{border-top:1px solid var(--line);background:var(--bg-soft);color:var(--muted);font:14px/1.6 var(--font-body);padding:32px 20px;text-align:center}
footer a{color:var(--ink)}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}
@media (max-width:1100px){nav{-webkit-mask-image:linear-gradient(90deg,#000 82%,transparent);mask-image:linear-gradient(90deg,#000 82%,transparent);padding-right:40px}}
@media (max-width:480px){.brand{font-size:15px}.brand img{height:30px}.lang{padding:6px 9px}}