/* ============================================================
   REDWOOD NORTH · Design System
   ============================================================ */

:root{
  /* Brand */
  --green-900:#132b0f;
  --green-800:#1c3a16;
  --green-700:#284d20;   /* primary brand green */
  --green-600:#365f2b;
  --green-500:#4a7a3c;
  --green-300:#8faa7f;
  --green-100:#dbe4d3;

  /* Paper / neutrals */
  --paper:#f6f4ec;       /* warm off-white */
  --paper-2:#efece0;
  --cream:#faf8f2;
  --ink:#1a2417;
  --ink-soft:#40492f;
  --line:#d8d3c2;
  --line-dark:#2f4a27;

  /* Type */
  --serif:"Fraunces","Cormorant Garamond",Georgia,serif;
  --sans:"Inter Tight","Helvetica Neue",Arial,sans-serif;

  --maxw:1280px;
  --gutter:clamp(20px,5vw,72px);

  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* selection */
::selection{background:var(--green-700);color:var(--cream)}

/* ---------- Typography ---------- */
.display{
  font-family:var(--serif);
  font-weight:340;
  line-height:.98;
  letter-spacing:-.01em;
}
h1{font-family:var(--serif);font-weight:340;line-height:1;letter-spacing:-.015em}
h2{font-family:var(--serif);font-weight:360;line-height:1.03;letter-spacing:-.01em}
h3{font-family:var(--serif);font-weight:420}
.eyebrow{
  font-family:var(--sans);
  font-size:12px;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--green-600);
  display:inline-flex;
  align-items:center;
  gap:.6em;
}
.eyebrow::before{
  content:"";
  width:26px;height:1px;
  background:var(--green-500);
  display:inline-block;
}
.serif-italic{font-family:var(--serif);font-style:italic;font-weight:340}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
section{position:relative}
section[id],footer[id]{scroll-margin-top:96px}
html{scroll-padding-top:96px}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px var(--gutter);
  transition:background .4s var(--ease),padding .4s var(--ease),box-shadow .4s var(--ease);
}
.nav.scrolled{
  background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(14px);
  padding-block:14px;
  box-shadow:0 1px 0 var(--line);
}
.nav__brand{display:flex;align-items:center;gap:12px;color:var(--green-700)}
.nav__brand svg{height:34px;width:auto;transition:height .4s var(--ease)}
.nav.scrolled .nav__brand svg{height:30px}
.nav__name{
  font-family:var(--serif);font-size:20px;letter-spacing:.04em;
  font-weight:440;line-height:1;color:var(--green-700);
}
.nav__name small{
  display:block;font-family:var(--sans);font-size:9.5px;letter-spacing:.35em;
  font-weight:600;color:var(--green-500);margin-top:2px;text-transform:uppercase;
}
.nav__links{display:flex;align-items:center;gap:38px}
.nav__links a{
  font-size:14px;font-weight:500;color:var(--ink-soft);position:relative;
  transition:color .3s;
}
.nav__links a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:-5px;width:0;height:1.5px;
  background:var(--green-700);transition:width .35s var(--ease);
}
.nav__links a:not(.btn):hover{color:var(--green-800)}
.nav__links a:not(.btn):hover::after{width:100%}

.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--sans);font-weight:600;font-size:14px;
  padding:12px 22px;border-radius:2px;
  background:var(--green-700);color:var(--cream)!important;
  transition:transform .3s var(--ease),background .3s;
  cursor:pointer;border:none;
}
.btn:hover{background:var(--green-800);transform:translateY(-2px)}
.btn .arr{transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translate(3px,-3px)}
.btn--ghost{
  background:transparent;color:var(--green-700)!important;
  border:1px solid var(--green-300);
}
.btn--ghost:hover{background:var(--green-700);color:var(--cream)!important;border-color:var(--green-700)}
.btn--light{background:var(--cream);color:var(--green-800)!important}
.btn--light:hover{background:#fff}

.nav__toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--green-700)}
.nav__toggle span{display:block;width:24px;height:2px;background:currentColor;margin:5px 0;transition:.3s var(--ease)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  min-height:100svh;display:flex;align-items:center;
  padding-top:120px;padding-bottom:80px;
  position:relative;overflow:hidden;
}
.hero__grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(30px,5vw,80px);
  align-items:center;width:100%;
}
.hero__eyebrow{margin-bottom:28px;opacity:0}
.hero h1{
  font-size:clamp(46px,8vw,110px);
  color:var(--green-800);
  margin-bottom:30px;
}
.hero h1 .ln{display:block;overflow:hidden}
.hero h1 .ln > span{display:block;transform:translateY(110%)}
.hero h1 em{font-style:italic;color:var(--green-600)}
.hero__sub{
  font-size:clamp(17px,1.5vw,20px);max-width:34ch;color:var(--ink-soft);
  margin-bottom:40px;opacity:0;
}
.hero__cta{display:flex;gap:16px;flex-wrap:wrap;opacity:0}
.hero__figure{
  position:relative;display:flex;justify-content:center;align-items:center;
  opacity:0;
}
.hero__tree{
  width:min(100%,420px);color:var(--green-700);
}
.hero__tree svg{width:100%;height:auto}
.hero__disc{
  position:absolute;width:118%;aspect-ratio:1;border-radius:50%;
  border:1px solid var(--line);z-index:-1;
}
.hero__disc.d2{width:90%;border-color:var(--green-100)}

.hero__meta{
  position:absolute;bottom:36px;left:var(--gutter);right:var(--gutter);
  display:flex;justify-content:space-between;align-items:flex-end;
  border-top:1px solid var(--line);padding-top:18px;opacity:0;
}
.hero__meta span{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
.hero__scroll{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--green-600)}
.hero__scroll .dot{width:6px;height:6px;border-radius:50%;background:var(--green-500);animation:pulse 2s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.3)}}

/* ============================================================
   MARQUEE / trusted
   ============================================================ */
.strip{
  background:var(--green-800);color:var(--green-100);
  padding:20px 0;overflow:hidden;white-space:nowrap;
}
.strip__track{display:inline-flex;gap:60px;animation:scrollx 32s linear infinite;will-change:transform}
.strip__track span{
  font-family:var(--serif);font-style:italic;font-size:22px;display:inline-flex;align-items:center;gap:60px;
  opacity:.85;
}
.strip__track span::after{content:"❋";font-style:normal;font-size:13px;color:var(--green-500)}
@keyframes scrollx{to{transform:translateX(-50%)}}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.sec-head{max-width:760px;margin-bottom:clamp(48px,6vw,80px)}
.sec-head .eyebrow{margin-bottom:22px}
.sec-head h2{font-size:clamp(34px,5vw,60px);color:var(--green-800)}
.sec-head p{margin-top:24px;font-size:19px;color:var(--ink-soft);max-width:52ch}

.pad{padding-block:clamp(90px,12vw,150px)}
.pad-t{padding-top:clamp(90px,12vw,150px)}

/* ============================================================
   ABOUT / intro statement
   ============================================================ */
.statement{background:var(--cream);border-block:1px solid var(--line)}
.statement__inner{display:grid;grid-template-columns:auto 1fr;gap:clamp(30px,6vw,90px);align-items:start}
.statement__tree{width:clamp(70px,10vw,130px);color:var(--green-100);flex-shrink:0}
.statement p{
  font-family:var(--serif);font-weight:340;
  font-size:clamp(26px,3.4vw,44px);line-height:1.22;color:var(--green-800);
  letter-spacing:-.01em;
}
.statement p strong{font-weight:340;font-style:italic;color:var(--green-600)}

/* ============================================================
   SERVICES
   ============================================================ */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.svc-grid--pair{grid-template-columns:repeat(2,1fr)}
.svc{
  background:var(--paper);padding:44px 38px 48px;
  position:relative;transition:background .45s var(--ease);
  min-height:340px;display:flex;flex-direction:column;
}
.svc:hover{background:var(--green-800)}
.svc:hover *{color:var(--cream)!important}
.svc:hover .svc__num{color:var(--green-300)!important}
.svc__num{
  font-family:var(--serif);font-style:italic;font-size:20px;color:var(--green-500);
  transition:color .45s;
}
.svc__ico{margin:26px 0 22px;color:var(--green-700);transition:color .45s}
.svc__ico svg{width:40px;height:40px}
.svc h3{font-size:26px;color:var(--green-800);margin-bottom:14px;transition:color .45s}
.svc p{font-size:15.5px;color:var(--ink-soft);transition:color .45s;margin-top:auto}
.svc__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.svc__tags span{
  font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 11px;border:1px solid var(--line);border-radius:2px;color:var(--ink-soft);
  transition:.45s;
}
.svc:hover .svc__tags span{border-color:var(--green-600)}
.svc__role{
  margin-top:0!important;margin-bottom:16px;
  font-family:var(--sans);font-size:12px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--green-600);
  transition:color .45s;
}
.svc__role + p{margin-top:auto!important}
.svc:hover .svc__role{color:var(--green-300)!important}

/* ============================================================
   APPROACH · numbered process
   ============================================================ */
.approach{background:var(--green-900);color:var(--paper)}
.approach .eyebrow{color:var(--green-300)}
.approach .eyebrow::before{background:var(--green-500)}
.approach .sec-head h2{color:var(--cream)}
.approach .sec-head p{color:var(--green-100)}
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark)}
.step{background:var(--green-900);padding:40px clamp(24px,3vw,48px);display:flex;gap:28px;transition:background .4s}
.step:hover{background:var(--green-800)}
.step__n{
  font-family:var(--serif);font-size:56px;line-height:.8;color:var(--green-600);
  font-style:italic;flex-shrink:0;width:70px;
}
.step h3{font-size:23px;color:var(--cream);margin-bottom:12px}
.step p{color:var(--green-100);font-size:15.5px}

/* ============================================================
   METRICS
   ============================================================ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,4vw,60px);
  border-top:1px solid var(--line);padding-top:56px}
.metric__num{
  font-family:var(--serif);font-size:clamp(48px,6vw,76px);line-height:1;color:var(--green-700);
  font-weight:340;letter-spacing:-.02em;
}
.metric__num sup{font-size:.4em;vertical-align:super;color:var(--green-500)}
.metric__lbl{margin-top:14px;font-size:14px;color:var(--ink-soft);max-width:22ch}
@media(max-width:820px){.metrics{grid-template-columns:repeat(2,1fr);gap:44px 30px}}

/* ============================================================
   ECOSYSTEM (feature split)
   ============================================================ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,100px);align-items:center}
.split__media{
  position:relative;aspect-ratio:4/5;background:var(--green-800);
  border-radius:2px;overflow:hidden;display:flex;align-items:center;justify-content:center;
}
.split__media .tree-lg{width:64%;color:var(--green-600);opacity:.9}
.split__media .ring{position:absolute;border:1px solid var(--green-600);border-radius:50%;opacity:.35}
.split__badge{
  position:absolute;bottom:26px;left:26px;right:26px;
  background:color-mix(in srgb,var(--green-900) 70%,transparent);
  backdrop-filter:blur(6px);padding:18px 22px;border:1px solid var(--green-600);
  color:var(--cream);font-size:14px;display:flex;justify-content:space-between;align-items:center;
}
.split__badge b{font-family:var(--serif);font-style:italic;font-weight:340;font-size:17px}
.checklist{margin-top:30px;display:grid;gap:18px}
.checklist li{display:flex;gap:16px;align-items:flex-start;font-size:16px;color:var(--ink-soft)}
.checklist .tick{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--green-500);color:var(--green-700);
  display:grid;place-items:center;margin-top:1px;
}
.checklist .tick svg{width:13px;height:13px}
.checklist b{color:var(--ink);font-weight:600}

/* ============================================================
   CTA
   ============================================================ */
.cta{background:var(--green-700);color:var(--cream);text-align:center;overflow:hidden;position:relative}
.cta .tree-ghost{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:min(80%,700px);color:var(--green-600);opacity:.16;pointer-events:none;
}
.cta__inner{position:relative;z-index:1}
.cta .eyebrow{color:var(--green-300);justify-content:center}
.cta .eyebrow::before{background:var(--green-300)}
.cta h2{font-size:clamp(38px,6vw,72px);margin:24px auto 20px;color:var(--cream);max-width:16ch}
.cta h2 em{font-style:italic;color:var(--green-100)}
.cta p{max-width:46ch;margin:0 auto 40px;color:var(--green-100);font-size:19px}
.cta__btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--green-900);color:var(--green-100);padding-top:80px}
.footer__top{display:grid;justify-items:center;text-align:center;padding-bottom:64px;border-bottom:1px solid var(--line-dark)}
.footer__brand{display:flex;flex-direction:column;align-items:center;justify-items:center}
.footer__brand svg{height:44px;color:var(--green-300);margin-bottom:22px}
.footer__brand p{max-width:46ch;font-size:15px;color:var(--green-100);opacity:.8}
.footer col,.footer__col h4{}
.footer__col h4{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--green-300);margin-bottom:20px;font-weight:600}
.footer__col a{display:block;font-size:15px;color:var(--green-100);opacity:.82;margin-bottom:13px;transition:.25s;width:fit-content}
.footer__col a:hover{opacity:1;transform:translateX(4px)}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;padding:26px 0 34px;flex-wrap:wrap;gap:14px}
.footer__bottom p{font-size:13px;color:var(--green-100);opacity:.6}
.footer__social{display:flex;gap:10px}
.footer__social a{width:38px;height:38px;border:1px solid var(--line-dark);border-radius:50%;display:grid;place-items:center;color:var(--green-100);transition:.3s}
.footer__social a:hover{background:var(--green-700);border-color:var(--green-700);color:var(--cream)}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.08s}
.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}
.reveal[data-delay="4"]{transition-delay:.32s}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1000px){
  .hero__grid{grid-template-columns:1fr;gap:20px}
  .hero__figure{order:-1;max-width:300px;margin-bottom:10px}
  .hero__meta{display:none}
  .svc-grid,.svc-grid--pair{grid-template-columns:1fr 1fr}
  .footer__top{grid-template-columns:1fr}
  .footer__brand{grid-column:1/-1}
}
@media(max-width:760px){
  body{font-size:16px}
  .nav__links{
    position:fixed;inset:0 0 0 auto;width:min(78vw,340px);
    background:var(--green-800);flex-direction:column;justify-content:center;
    align-items:flex-start;padding:0 40px;gap:26px;
    transform:translateX(100%);transition:transform .45s var(--ease);z-index:99;
  }
  .nav__links.open{transform:none}
  .nav__links a{color:var(--cream);font-size:19px}
  .nav__links a:not(.btn)::after{background:var(--green-300)}
  .nav__toggle{display:block;z-index:100}
  .nav__toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav__toggle.active span:nth-child(2){opacity:0}
  .nav__toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .statement__inner{grid-template-columns:1fr}
  .statement__tree{display:none}
  .svc-grid,.svc-grid--pair{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .split__media{aspect-ratio:1/1;order:-1}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .footer__top{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .hero h1 .ln>span{transform:none}
}