/* andes.css - layout + widget styling for the Andean water-tower corridor landing.
   Tokens come from brand.css (:root); this file is layout + components only, all colours via var().
   House style mirrors viz/soy-belt.html (deep-navy ground, teal-green accent, coral honesty). */

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--teal-bright);text-decoration:none}
a:hover{text-decoration:underline}

/* ---- fixed stage stack (z-order) ------------------------------------------------------------ */
#deckwrap,#atmo,.vignette{position:fixed;inset:0}
#deckwrap{z-index:0;background:radial-gradient(120% 120% at 60% 30%,var(--bg-2),var(--bg) 70%)}
#deckwrap svg{width:100%;height:100%;display:block}
#deckwrap svg .transport-flow{animation:ivt-drift 8s linear infinite}
#deckwrap svg .transport-flow:nth-child(2n){animation-duration:10.5s}
@keyframes ivt-drift{to{stroke-dashoffset:-3.2}}
#atmo{z-index:1;pointer-events:none}
.vignette{z-index:2;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 42%,transparent 45%,rgba(3,10,16,.72) 100%)}
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:110;
  background:linear-gradient(90deg,var(--teal),var(--green))}

/* ---- header lockup -------------------------------------------------------------------------- */
.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:100;
  display:flex;align-items:center;justify-content:space-between;padding:0 22px;
  background:linear-gradient(180deg,rgba(6,17,26,.92),rgba(6,17,26,.4));
  border-bottom:1px solid var(--hairline);backdrop-filter:blur(8px)}
.lockup{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text)}
.lockup:hover{text-decoration:none}
.lockup .glyph{width:22px;height:22px}
.lockup__product{font-weight:700}
.lockup__sep{color:var(--faint)}
.lockup .gol{color:var(--muted);font-weight:400;font-size:13px}
.v2tag{font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--teal-bright);background:rgba(26,168,155,.12);border:1px solid rgba(26,168,155,.3);
  border-radius:999px;padding:2px 8px;margin-left:8px}
.nav-cta{font-family:var(--sans);font-weight:600;font-size:13px;color:#052017;background:var(--green);
  border-radius:8px;padding:8px 15px}
.nav-cta:hover{background:var(--teal-bright);text-decoration:none}

/* ---- scroll story: fixed stage, cards float and fade up ------------------------------------- */
.story{position:relative;z-index:10}
.step{min-height:100vh;display:flex;align-items:center;padding:0 7vw}
.step.right{justify-content:flex-end}
.step.center{justify-content:center;text-align:center}
.card{max-width:468px;background:linear-gradient(180deg,rgba(11,32,48,.86),rgba(8,22,34,.78));
  border:1px solid var(--hairline);border-left:2px solid var(--teal);border-radius:12px;
  padding:24px 26px;backdrop-filter:blur(10px);box-shadow:0 18px 50px rgba(2,8,14,.5);
  opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.step.center .card{max-width:680px;border-left:none;border-top:2px solid var(--teal)}
.step.active .card{opacity:1;transform:none}
.eyebrow{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--teal-bright);display:flex;align-items:center;gap:8px;margin-bottom:12px}
.step.center .eyebrow{justify-content:center}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 8px var(--teal)}
.hero-title{font-family:var(--display);font-weight:700;font-size:clamp(2.5rem,6.6vw,4.6rem);
  line-height:1.02;letter-spacing:-.02em;margin:0 0 18px}
.hero-title .a{color:var(--green)}
.head{font-family:var(--display);font-weight:700;font-size:clamp(1.6rem,3.4vw,2.5rem);
  line-height:1.09;letter-spacing:-.01em;margin:0 0 14px}
.body{font-size:clamp(1rem,1.35vw,1.14rem);line-height:1.62;color:#cdd9dd;margin:0 0 8px}
.body .hl{color:var(--teal-bright);font-weight:600;font-variant-numeric:tabular-nums}
.body .red{color:var(--coral);font-weight:600}
.body .green{color:var(--green);font-weight:600}
.body strong{color:var(--text)}
.proof{font-family:var(--mono);font-size:12px;color:var(--faint);margin-top:14px;letter-spacing:.02em}

/* ---- coral honesty callout + chips ---------------------------------------------------------- */
.callout{margin-top:16px;padding:12px 14px;border-radius:9px;background:rgba(232,105,77,.09);
  border:1px solid rgba(232,105,77,.32);border-left:3px solid var(--coral);
  font-size:12.5px;line-height:1.5;color:#d7c9bf}
.chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;
  color:var(--muted);background:rgba(11,32,48,.6);border:1px solid var(--hairline);
  border-radius:999px;padding:4px 10px;margin:4px 6px 0 0}
.chip b{color:var(--text);font-weight:600}
.anchorchip{margin-top:16px;display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);
  font-size:12px;font-weight:600;color:#8ff0e4;background:rgba(26,168,155,.1);
  border:1px solid rgba(43,212,196,.4);border-radius:999px;padding:7px 14px}
.anchorchip b{color:var(--teal-bright)}

/* ---- six-wedge source-class bar (per corridor) ---------------------------------------------- */
.wedgewrap{margin-top:18px}
.wedgewrap .wtitle{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:8px}
.wedgewrap .wtitle .wsite{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--text);
  letter-spacing:.04em;text-transform:uppercase}
.wedgewrap .wtitle .wframe{font-family:var(--mono);font-size:10.5px;color:var(--muted)}
.wedgebar svg{width:100%;display:block}
.wedgeread{font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:8px;min-height:1.2em}
.wedgeread b{color:var(--text)}
.wedgeread .g{color:var(--green)}
.wedgeleg{display:flex;flex-wrap:wrap;gap:5px 12px;margin-top:8px}
.wedgeleg button{font-family:var(--mono);font-size:10.5px;color:var(--muted);background:none;
  border:none;cursor:pointer;display:inline-flex;align-items:center;gap:5px;padding:2px 0}
.wedgeleg button:hover,.wedgeleg button.on{color:var(--text)}
.wedgeleg i{width:9px;height:9px;border-radius:2px;display:inline-block}

/* ---- season toggle (annual vs AMSSRAB DJF/MAM/JJA/SON) --------------------------------------- */
.seasontoggle{margin-top:16px}
.seasontoggle .stitle{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--faint);margin-bottom:8px}
.seasonbtns{display:flex;flex-wrap:wrap;gap:6px}
.seasonbtns button{font-family:var(--mono);font-size:11.5px;font-weight:600;color:var(--muted);
  background:rgba(11,32,48,.6);border:1px solid var(--hairline);border-radius:6px;
  padding:6px 11px;cursor:pointer;font-variant-numeric:tabular-nums}
.seasonbtns button.on{background:var(--green);color:#052017;border-color:var(--green)}
.seasonread{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.5}
.seasonread .g{color:var(--green);font-weight:600}
.seasonread .c{color:var(--coral);font-weight:600}
.seasonread b{color:var(--text)}
.seasonbars{margin-top:10px}
.seasonbars svg{width:100%;display:block}

/* ---- corridor summary cards (scene 7 factory) ----------------------------------------------- */
.corridorgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.corridorcard{background:rgba(11,32,48,.55);border:1px solid var(--hairline);border-radius:10px;padding:14px 15px}
.corridorcard.soy{border-left:2px solid var(--amber)}
.corridorcard.andes{border-left:2px solid var(--teal)}
.corridorcard .cc-k{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.corridorcard .cc-name{font-weight:700;font-size:15px;margin:3px 0 6px}
.corridorcard .cc-val{font-family:var(--mono);font-size:12px;color:var(--muted);line-height:1.5}
.corridorcard .cc-val b{color:var(--green);font-variant-numeric:tabular-nums}

/* ---- gate ladder strip (scene 6) ------------------------------------------------------------ */
.gates{margin-top:16px;display:flex;flex-direction:column;gap:6px}
.gaterow{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px}
.gaterow .gdot{width:9px;height:9px;border-radius:50%;flex:0 0 auto}
.gaterow.pass .gdot{background:var(--green);box-shadow:0 0 7px var(--green)}
.gaterow.caveat .gdot{background:var(--amber);box-shadow:0 0 7px var(--amber)}
.gaterow.closed .gdot{background:var(--coral)}
.gaterow .gk{color:var(--text);min-width:120px}
.gaterow .gv{color:var(--muted)}

/* ---- CTA ------------------------------------------------------------------------------------ */
.cta{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:600;font-size:15px;
  color:#052017;background:var(--green);border-radius:9px;padding:13px 26px;margin-top:8px}
.cta:hover{background:var(--teal-bright);text-decoration:none}
.ghost{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;color:var(--text);
  border:1px solid var(--hairline);border-radius:9px;padding:12px 20px;margin-left:8px}
.ghost:hover{border-color:var(--teal);text-decoration:none}

/* ---- overlays: legend (measured) + illus (illustrative) ------------------------------------- */
.legend,.illus{position:fixed;z-index:20;font-family:var(--mono);font-size:11px;
  background:rgba(6,17,26,.86);border:1px solid var(--hairline);border-radius:9px;
  padding:9px 12px;backdrop-filter:blur(6px);opacity:0;transition:opacity .4s var(--ease);
  max-width:300px;pointer-events:none}
.legend{right:16px;bottom:calc(var(--claim-h) + 14px)}
.illus{left:16px;bottom:calc(var(--claim-h) + 14px);color:var(--muted);max-width:min(340px,44vw)}
.illus.rightside{left:auto;right:16px}
.legend.show,.illus.show{opacity:1}
.legend .lrow{display:flex;align-items:center;gap:7px;margin:3px 0;color:var(--muted)}
.legend .lsw{width:11px;height:11px;border-radius:2px}
.illus b{color:var(--faint)}

/* ---- persistent claim strip ----------------------------------------------------------------- */
.claimbar{position:fixed;left:0;right:0;bottom:0;height:var(--claim-h);z-index:90;
  display:flex;align-items:center;gap:12px;padding:0 16px;font-family:var(--mono);font-size:11px;
  color:var(--muted);background:rgba(6,17,26,.95);border-top:1px solid var(--hairline);backdrop-filter:blur(6px)}
.claimbar .tag{color:var(--green);border:1px solid rgba(58,214,163,.4);border-radius:5px;
  padding:2px 8px;font-weight:600;letter-spacing:.08em;flex:0 0 auto}
.claimbar .txt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.claimbar .snap{margin-left:auto;color:var(--faint);flex:0 0 auto}

.scroll-hint{position:fixed;left:50%;bottom:calc(var(--claim-h) + 14px);transform:translateX(-50%);
  z-index:20;font-family:var(--mono);font-size:11px;color:var(--muted);opacity:.85;animation:bob 1.8s infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,6px)}}

/* ---- responsive ----------------------------------------------------------------------------- */
@media (max-width:760px){.lockup .gol{display:none}}
@media (max-width:640px){
  .step{padding:0 5vw}.card{padding:20px 18px}
  .corridorgrid{grid-template-columns:1fr}
  .claimbar{height:auto;min-height:var(--claim-h);align-items:center;padding-top:7px;padding-bottom:7px}
  .claimbar .snap{display:none}.claimbar .txt{white-space:normal;font-size:10px;line-height:1.3}
  .site-header{padding:0 14px}
  .site-header nav{display:none}
  .legend,.illus{display:none}
  .scroll-hint{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.scroll-hint,#deckwrap svg .transport-flow{animation:none}.card{transition:none}
}