/* ==========================================================================
   RainSpark Global — Coastal Grove
   Palette : forest grounds, coir gold accent, estuary teal interactive
   Type    : Fraunces (display) / IBM Plex Sans (body) / IBM Plex Mono (data)
   ========================================================================== */

:root{
  /* grounds */
  --forest-900:#0E2A20;
  --forest-800:#14352A;
  --forest-700:#1C4A38;
  --forest-600:#2A6349;
  --forest-glow:rgba(200,145,60,.14);

  /* accents */
  --coir:#C8913C;
  --coir-lt:#E4B96A;
  --husk:#8A5E3B;
  --estuary:#2E6B62;
  --estuary-dk:#1F4F48;

  /* paper + ink */
  --paper:#FCFBF8;
  --paper-2:#F4F2EC;
  --paper-3:#EBE8DE;
  --ink:#1A211C;
  --ink-2:#414A43;
  --muted:#6E766C;
  --faint:#98A096;
  --rule:#DFDCD2;
  --rule-2:#C9C5B8;

  /* on-dark */
  --on-dark:#F2F0E8;
  --on-dark-2:#BFC9BE;
  --on-dark-3:#8FA292;

  /* type */
  --display:"Fraunces",Georgia,"Times New Roman",serif;
  --body:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;

  /* scale */
  --step--1:clamp(.8rem,.77rem + .15vw,.875rem);
  --step-0:clamp(1rem,.96rem + .2vw,1.0625rem);
  --step-1:clamp(1.15rem,1.08rem + .35vw,1.3rem);
  --step-2:clamp(1.4rem,1.25rem + .7vw,1.75rem);
  --step-3:clamp(1.75rem,1.5rem + 1.2vw,2.4rem);
  --step-4:clamp(2.1rem,1.6rem + 2.4vw,3.4rem);
  --step-5:clamp(2.6rem,1.8rem + 3.8vw,4.6rem);

  --shell:1180px;
  --gutter:clamp(20px,5vw,48px);
  --sec-y:clamp(56px,9vw,112px);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:var(--step-0);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{max-width:100%;display:block;}
a{color:var(--estuary);text-decoration-color:color-mix(in srgb,var(--estuary) 35%,transparent);text-underline-offset:3px;}
a:hover{color:var(--estuary-dk);}
:focus-visible{outline:2px solid var(--coir);outline-offset:3px;border-radius:2px;}

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:600;
  line-height:1.12;
  letter-spacing:-.015em;
  text-wrap:balance;
  margin:0;
  font-variation-settings:"SOFT" 20,"WONK" 0;
}
p{margin:0;}

/* ---------- layout primitives ---------- */
.shell{max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter);}
.shell-wide{max-width:1420px;margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:var(--sec-y);}
.section--tint{background:var(--paper-2);}
.section--deep{background:var(--forest-900);color:var(--on-dark);}
.stack{display:flex;flex-direction:column;}
.stack-3{gap:12px;} .stack-4{gap:16px;} .stack-6{gap:24px;} .stack-8{gap:32px;} .stack-12{gap:48px;}

.eyebrow{
  font-family:var(--mono);
  font-size:.68rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--coir);
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--coir);flex:none;}
.eyebrow--center{justify-content:center;}
.section--deep .eyebrow{color:var(--coir-lt);}
.section--deep .eyebrow::before{background:var(--coir-lt);}

.lede{font-size:var(--step-1);color:var(--ink-2);line-height:1.6;max-width:60ch;}
.section--deep .lede{color:var(--on-dark-2);}
.prose{max-width:66ch;color:var(--ink-2);}
.prose p + p{margin-top:1em;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--body);font-size:.93rem;font-weight:600;letter-spacing:.01em;
  padding:13px 24px;border:1px solid transparent;border-radius:2px;
  text-decoration:none;cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn--primary{background:var(--coir);color:#231703;border-color:var(--coir);}
.btn--primary:hover{background:var(--coir-lt);color:#231703;border-color:var(--coir-lt);}
.btn--ghost{background:transparent;color:var(--on-dark);border-color:rgba(242,240,232,.32);}
.btn--ghost:hover{background:rgba(242,240,232,.08);color:var(--on-dark);border-color:rgba(242,240,232,.55);}
.btn--dark{background:var(--forest-800);color:var(--on-dark);border-color:var(--forest-800);}
.btn--dark:hover{background:var(--forest-700);color:var(--on-dark);}
.btn--line{background:transparent;color:var(--forest-800);border-color:var(--rule-2);}
.btn--line:hover{border-color:var(--forest-700);background:var(--paper-2);color:var(--forest-800);}
.btn .arw{transition:transform .22s ease;}
.btn:hover .arw{transform:translateX(3px);}
@media (prefers-reduced-motion:reduce){.btn,.btn .arw{transition:none;} .btn:hover{transform:none;}}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(14,42,32,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(242,240,232,.10);
}
.site-head__in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--on-dark);}
.brand svg{flex:none;}
.brand__logo{display:block;flex:none;height:40px;width:auto;}
.brand .brand__sub{margin-top:0;padding-left:11px;border-left:1px solid rgba(242,240,232,.18);line-height:1.5;}
@media (max-width:420px){.brand .brand__sub{display:none;}}
.brand b{font-family:var(--display);font-size:1.06rem;font-weight:600;letter-spacing:-.01em;line-height:1.05;display:block;}
.brand span{font-family:var(--mono);font-size:.56rem;letter-spacing:.2em;text-transform:uppercase;color:var(--on-dark-3);display:block;margin-top:2px;}

.nav{display:flex;align-items:center;gap:4px;}
.nav a{
  font-size:.88rem;font-weight:500;color:var(--on-dark-2);text-decoration:none;
  padding:9px 13px;border-radius:2px;transition:color .18s ease,background .18s ease;
}
.nav a:hover{color:var(--on-dark);background:rgba(242,240,232,.07);}
.nav a[aria-current="page"]{color:var(--coir-lt);}
.nav .btn{margin-left:10px;padding:10px 18px;}

.nav-toggle{
  display:none;background:none;border:1px solid rgba(242,240,232,.28);border-radius:2px;
  width:42px;height:38px;cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--on-dark);position:relative;transition:background .2s;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--on-dark);transition:transform .25s ease;
}
.nav-toggle span::before{top:-6px;} .nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

@media (max-width:900px){
  .nav-toggle{display:flex;}
  .nav{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--forest-900);border-bottom:1px solid rgba(242,240,232,.12);
    padding:10px var(--gutter) 22px;
    display:none;
  }
  .nav.is-open{display:flex;}
  .nav a{padding:13px 0;border-bottom:1px solid rgba(242,240,232,.07);font-size:1rem;}
  .nav .btn{margin:16px 0 0;justify-content:center;}
}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--forest-900);color:var(--on-dark);overflow:hidden;}
.hero__bg{position:absolute;inset:0;opacity:.5;pointer-events:none;}
.hero__glow{
  position:absolute;width:min(760px,90vw);height:min(760px,90vw);
  right:-14%;top:-28%;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,var(--forest-glow) 0%,transparent 68%);
}
.hero__in{position:relative;padding-block:clamp(64px,12vw,132px) clamp(56px,10vw,104px);}
.hero h1{font-size:var(--step-5);max-width:17ch;margin-top:22px;font-variation-settings:"SOFT" 40,"WONK" 1;}
.hero h1 em{font-style:normal;color:var(--coir-lt);}
.hero__lede{font-size:var(--step-1);color:var(--on-dark-2);max-width:52ch;margin-top:24px;}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero__strip{
  display:flex;flex-wrap:wrap;gap:0;margin-top:clamp(44px,7vw,72px);
  border-top:1px solid rgba(242,240,232,.14);
}
.hero__stat{flex:1 1 190px;padding:22px 24px 4px 0;}
.hero__stat b{font-family:var(--display);font-size:var(--step-2);display:block;color:var(--on-dark);line-height:1;}
.hero__stat span{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--on-dark-3);display:block;margin-top:9px;}

/* ---------- product grid ---------- */
.grid-products{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:clamp(16px,2.4vw,26px);}
.pcard{
  display:flex;flex-direction:column;
  background:var(--paper);border:1px solid var(--rule);
  text-decoration:none;color:inherit;overflow:hidden;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.pcard:hover{border-color:var(--forest-600);transform:translateY(-3px);box-shadow:0 14px 34px -22px rgba(14,42,32,.5);color:inherit;}
.pcard__art{background:var(--forest-800);aspect-ratio:4/3;position:relative;overflow:hidden;}
.pcard__art svg{width:100%;height:100%;}
.pcard__body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:9px;flex:1;}
.pcard h3{font-size:var(--step-2);}
.pcard p{font-size:.93rem;color:var(--muted);line-height:1.55;}
.pcard__spec{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--husk);margin-top:auto;padding-top:14px;border-top:1px solid var(--rule);
}
.pcard__more{font-size:.85rem;font-weight:600;color:var(--estuary);display:flex;align-items:center;gap:7px;}
.pcard:hover .pcard__more .arw{transform:translateX(3px);}
@media (prefers-reduced-motion:reduce){.pcard,.pcard:hover{transition:none;transform:none;}}

/* ---------- section heading block ---------- */
.head-block{display:flex;flex-direction:column;gap:16px;max-width:56ch;}
.head-block h2{font-size:var(--step-3);}
.head-block--center{margin-inline:auto;text-align:center;align-items:center;}
.head-row{display:flex;flex-wrap:wrap;gap:26px;align-items:flex-end;justify-content:space-between;}

/* ---------- process diagram ---------- */
.proc{border:1px solid var(--rule);background:var(--paper);}
.proc__head{
  padding:24px clamp(20px,3vw,34px);border-bottom:1px solid var(--rule);
  display:flex;flex-wrap:wrap;gap:16px;align-items:baseline;justify-content:space-between;
}
.proc__head h3{font-size:var(--step-2);}
.proc__head .tagline{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);}
.proc__fig{overflow-x:auto;padding:clamp(20px,3vw,34px);background:var(--paper-2);}
.proc__fig svg{min-width:860px;margin-inline:auto;height:auto;}
.proc__notes{padding:clamp(20px,3vw,34px);display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:22px 30px;}
.proc__note{display:flex;flex-direction:column;gap:6px;}
.proc__note b{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--coir);}
.proc__note span{font-size:.9rem;color:var(--ink-2);line-height:1.55;}

/* ---------- spec table ---------- */
.spec-wrap{overflow-x:auto;border:1px solid var(--rule);background:var(--paper);}
.spec{width:100%;border-collapse:collapse;font-size:.9rem;min-width:440px;}
.spec caption{
  text-align:left;padding:18px 20px;font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--rule);background:var(--paper-2);
}
.spec th{
  text-align:left;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);font-weight:500;padding:13px 20px;border-bottom:1px solid var(--rule);width:47%;
  vertical-align:top;
}
.spec td{
  padding:13px 20px;border-bottom:1px solid var(--rule);color:var(--ink);
  font-variant-numeric:tabular-nums;font-family:var(--mono);font-size:.84rem;
}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:none;}

/* ---------- feature rows ---------- */
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:clamp(30px,5vw,68px);align-items:center;}
.split--top{align-items:start;}
.figure-frame{border:1px solid var(--rule);background:var(--paper-2);padding:clamp(18px,3vw,30px);}
.section--deep .figure-frame{border-color:rgba(242,240,232,.16);background:var(--forest-800);}

/* ---------- value / icon list ---------- */
.vgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(238px,1fr));gap:clamp(22px,3.5vw,40px);}
.vitem{display:flex;flex-direction:column;gap:11px;}
.vitem__ico{width:38px;height:38px;color:var(--coir);}
.vitem h3{font-size:var(--step-1);}
.vitem p{font-size:.92rem;color:var(--muted);line-height:1.6;}
.section--deep .vitem p{color:var(--on-dark-2);}
.section--deep .vitem h3{color:var(--on-dark);}

/* ---------- steps (numbered) ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:clamp(20px,3vw,34px);counter-reset:s;}
.step{display:flex;flex-direction:column;gap:10px;padding-top:20px;border-top:2px solid var(--forest-700);counter-increment:s;}
.step::before{
  content:counter(s,decimal-leading-zero);
  font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;color:var(--coir);
}
.step h3{font-size:var(--step-1);}
.step p{font-size:.9rem;color:var(--muted);line-height:1.6;}

/* ---------- quote / pull ---------- */
.pull{
  border-left:2px solid var(--coir);padding-left:clamp(20px,3vw,32px);
  font-family:var(--display);font-size:var(--step-2);line-height:1.35;color:var(--ink);max-width:38ch;
}
.section--deep .pull{color:var(--on-dark);}

/* ---------- CTA band ---------- */
.cta-band{background:var(--forest-800);color:var(--on-dark);}
.cta-band__in{
  padding-block:clamp(48px,7vw,86px);
  display:flex;flex-wrap:wrap;gap:30px;align-items:center;justify-content:space-between;
}
.cta-band h2{font-size:var(--step-3);max-width:20ch;}
.cta-band p{color:var(--on-dark-2);max-width:44ch;margin-top:12px;}

/* ---------- forms ---------- */
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(228px,1fr));gap:20px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field--full{grid-column:1/-1;}
.field label{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);}
.field input,.field select,.field textarea{
  font-family:var(--body);font-size:.95rem;color:var(--ink);
  background:var(--paper);border:1px solid var(--rule-2);border-radius:2px;
  padding:12px 14px;width:100%;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:132px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--forest-600);box-shadow:0 0 0 3px rgba(42,99,73,.12);
}
.field .hint{font-size:.78rem;color:var(--faint);}
.form-note{font-size:.82rem;color:var(--muted);grid-column:1/-1;}

/* ---------- contact detail list ---------- */
.dl{display:flex;flex-direction:column;gap:20px;}
.dl div{display:flex;flex-direction:column;gap:4px;}
.dl dt{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--coir-lt);}
.dl dd{margin:0;color:var(--on-dark-2);font-size:.95rem;line-height:1.55;}
.dl dd a{color:var(--on-dark);}

/* ---------- badges ---------- */
.badges{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;
  padding:7px 12px;border:1px solid var(--rule-2);color:var(--ink-2);border-radius:2px;
}
.section--deep .badge{border-color:rgba(242,240,232,.24);color:var(--on-dark-2);}
.badge--soon{border-style:dashed;color:var(--muted);}

/* ---------- page hero (inner pages) ---------- */
.phero{background:var(--forest-900);color:var(--on-dark);position:relative;overflow:hidden;}
.phero__glow{position:absolute;width:620px;height:620px;left:-12%;bottom:-56%;border-radius:50%;
  background:radial-gradient(circle,var(--forest-glow) 0%,transparent 70%);pointer-events:none;}
.phero__in{position:relative;padding-block:clamp(52px,8vw,92px);display:flex;flex-direction:column;gap:18px;}
.phero h1{font-size:var(--step-4);max-width:19ch;}
.phero p{color:var(--on-dark-2);font-size:var(--step-1);max-width:56ch;}

/* ---------- breadcrumb ---------- */
.crumb{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-3);}
.crumb a{color:var(--on-dark-3);text-decoration:none;}
.crumb a:hover{color:var(--coir-lt);}

/* ---------- footer ---------- */
.site-foot{background:var(--forest-900);color:var(--on-dark-2);border-top:1px solid rgba(242,240,232,.10);}
.site-foot__in{padding-block:clamp(46px,6vw,70px) 28px;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:36px 30px;}
.site-foot h4{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--coir-lt);font-weight:500;margin-bottom:14px;}
.site-foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
.site-foot a{color:var(--on-dark-2);text-decoration:none;font-size:.9rem;}
.site-foot li{font-size:.9rem;line-height:1.55;}
.site-foot .brand__sub{display:none;}
.site-foot .foot-label{display:block;font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--coir-lt);margin:6px 0 2px;}
.site-foot a:hover{color:var(--on-dark);}
.site-foot__about p{font-size:.9rem;line-height:1.6;max-width:34ch;margin-top:14px;}
.site-foot__bar{
  border-top:1px solid rgba(242,240,232,.10);padding-block:20px 30px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:.78rem;color:var(--on-dark-3);
}

/* ---------- reveal ----------
   Gated behind .js on <html>, which an inline head script sets. Without
   JavaScript the class never lands and content is simply visible — never
   hide content behind a script that might not run. */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s cubic-bezier(.22,.7,.3,1),transform .7s cubic-bezier(.22,.7,.3,1);}
.js .reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none;}
}

/* ---------- utilities ---------- */
.text-center{text-align:center;}
.mt-auto{margin-top:auto;}
.hr{height:1px;background:var(--rule);border:0;margin:0;}
.section--deep .hr{background:rgba(242,240,232,.14);}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.skip{position:absolute;left:-9999px;top:0;background:var(--coir);color:#231703;padding:10px 16px;z-index:200;}
.skip:focus{left:12px;top:12px;}

@media print{
  .site-head,.site-foot,.cta-band,.nav-toggle{display:none;}
  body{background:#fff;color:#000;}
  .hero,.phero,.section--deep{background:#fff;color:#000;}
}