/* =============================================================
   OAK SHADOWS CAPITAL — Design System
   Palette derived from the OSC oak mark (#214E39)
   Display: Fraunces  ·  Body/UI: Instrument Sans
   ============================================================= */

:root{
  --green:#214e39;
  --green-deep:#163728;
  --green-soft:#2f6349;
  --ivory:#faf8f2;
  --paper:#f3efe4;
  --wash:#eef2ee;
  --brass:#a8813d;
  --brass-soft:#c0a05c;
  --ink:#22282a;
  --slate:#5f6a63;
  --line:#e4ddce;
  --white:#ffffff;

  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;

  --wrap:1160px;
  --gutter:clamp(20px,5vw,64px);
  --radius:4px;
  --shadow-sm:0 1px 2px rgba(22,55,40,.06),0 6px 18px rgba(22,55,40,.06);
  --shadow-md:0 8px 30px rgba(22,55,40,.10),0 2px 8px rgba(22,55,40,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.65;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--green);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brass)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;line-height:1.12;
  color:var(--green);margin:0 0 .5em;letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul{margin:0 0 1.1em;padding-left:1.15em}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:2px}

/* ---------- layout helpers ---------- */
.osc-wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.osc-section{padding-block:clamp(56px,9vw,120px)}
.osc-section--paper{background:var(--paper)}
.osc-section--green{background:var(--green);color:var(--ivory)}
.osc-section--green h2,.osc-section--green h3{color:var(--ivory)}

.osc-eyebrow{font-family:var(--sans);font-weight:600;font-size:.72rem;
  letter-spacing:.22em;text-transform:uppercase;color:var(--brass);
  margin:0 0 1rem;display:inline-block}
.osc-section--green .osc-eyebrow{color:var(--brass-soft)}

.osc-lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--slate);max-width:60ch}
.osc-section--green .osc-lead{color:#d6e0d8}

/* signature: a fine brass "root" divider with a center node */
.osc-root{display:flex;align-items:center;gap:14px;margin:0 0 2.4rem}
.osc-root::before,.osc-root::after{content:"";height:1px;flex:1;
  background:linear-gradient(90deg,transparent,var(--line))}
.osc-root::after{background:linear-gradient(90deg,var(--line),transparent)}
.osc-root i{width:7px;height:7px;transform:rotate(45deg);
  background:var(--brass);flex:0 0 auto}
.osc-root--center{max-width:340px;margin-inline:auto}

/* ---------- buttons ---------- */
.osc-btn{display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--sans);font-weight:600;font-size:.94rem;letter-spacing:.01em;
  padding:.85em 1.6em;border-radius:var(--radius);cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease)}
.osc-btn:hover{transform:translateY(-2px)}
.osc-btn--primary{background:var(--green);color:var(--ivory)}
.osc-btn--primary:hover{background:var(--green-deep);color:var(--ivory);box-shadow:var(--shadow-md)}
.osc-btn--ghost{background:transparent;color:var(--green);border-color:var(--green)}
.osc-btn--ghost:hover{background:var(--green);color:var(--ivory)}
.osc-btn--brass{background:var(--brass);color:#231a06}
.osc-btn--brass:hover{background:var(--brass-soft);color:#231a06;box-shadow:var(--shadow-md)}
.osc-btn--onGreen{background:var(--ivory);color:var(--green)}
.osc-btn--onGreen:hover{background:var(--white);color:var(--green-deep)}

/* ---------- header / nav ---------- */
.osc-header{position:sticky;top:0;z-index:60;background:rgba(250,248,242,.86);
  backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease)}
.osc-header.is-stuck{box-shadow:0 1px 0 var(--line),0 10px 24px rgba(22,55,40,.06)}
.osc-header__bar{display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:72px}
.osc-brand{display:flex;align-items:center;gap:12px}
.osc-brand img{width:38px;height:auto}
.osc-brand__name{font-family:var(--serif);font-size:1.02rem;line-height:1.05;
  color:var(--green);letter-spacing:.02em}
.osc-brand__name b{display:block;font-weight:500}
.osc-brand__name span{display:block;font-family:var(--sans);font-weight:600;
  font-size:.58rem;letter-spacing:.28em;color:var(--brass);text-transform:uppercase;margin-top:2px}

.osc-nav{display:flex;align-items:center;gap:clamp(20px,2.4vw,34px)}
.osc-nav a{font-family:var(--sans);font-weight:500;font-size:.92rem;color:var(--ink);
  position:relative;padding-block:4px;white-space:nowrap}
.osc-nav a::after{content:"";position:absolute;left:0;bottom:-2px;height:1.5px;width:0;
  background:var(--brass);transition:width .25s var(--ease)}
.osc-nav a:hover{color:var(--green)}
.osc-nav a:hover::after{width:100%}
.osc-nav .osc-btn{padding:.6em 1.2em}
.osc-nav a.osc-btn--primary,.osc-nav a.osc-btn--primary:hover{color:var(--ivory)}
.osc-nav a.osc-btn::after{display:none}

.osc-burger{display:none;background:none;border:0;cursor:pointer;padding:8px;
  width:44px;height:44px}
.osc-burger span{display:block;width:24px;height:2px;background:var(--green);margin:5px auto;
  transition:transform .3s var(--ease),opacity .3s var(--ease)}
.osc-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.osc-burger.is-open span:nth-child(2){opacity:0}
.osc-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.osc-hero{position:relative;text-align:center;overflow:hidden;
  padding-block:clamp(48px,8vw,92px) clamp(40px,7vw,80px);
  background:
    radial-gradient(120% 90% at 50% -20%,var(--wash) 0%,var(--ivory) 55%);}
.osc-hero__eyebrow{margin-bottom:1.4rem}
.osc-hero__logo{width:clamp(180px,26vw,300px);margin:0 auto 1.5rem;
  filter:drop-shadow(0 14px 30px rgba(22,55,40,.14))}
.osc-hero__tagline{font-family:var(--serif);font-size:clamp(1.05rem,2.1vw,1.5rem);
  color:var(--green);font-weight:400;letter-spacing:.02em;margin:0 0 1.3rem}
.osc-hero__desc{max-width:64ch;margin:0 auto 2rem}
.osc-hero__desc p{font-size:clamp(1.02rem,1.5vw,1.16rem);color:#3c453f;margin:0 0 1rem}
.osc-hero__desc p:last-child{margin-bottom:0}
.osc-hero__desc strong{color:var(--green);font-weight:600}
.osc-hero__cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:.4rem}
.osc-hero .osc-root{margin-bottom:1.8rem}

/* ---------- category accordions (drop-down boxes) ---------- */
.osc-cats{display:flex;flex-direction:column;gap:18px;margin-top:2.6rem}
.osc-cat{background:var(--white);border:1px solid var(--line);border-radius:8px;
  overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .3s var(--ease),border-color .3s var(--ease)}
.osc-cat.is-open{box-shadow:var(--shadow-md);border-color:#d8cdb2}
.osc-cat__head{width:100%;display:flex;align-items:center;gap:20px;text-align:left;
  background:none;border:0;cursor:pointer;padding:clamp(20px,3vw,30px) clamp(20px,3.4vw,36px);
  font-family:inherit}
.osc-cat__no{font-family:var(--serif);font-size:1.05rem;color:var(--brass);
  flex:0 0 auto;width:2.4ch}
.osc-cat__titles{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.osc-cat__title{display:block;font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,1.85rem);
  color:var(--green);margin:0;line-height:1.15}
.osc-cat__sub{display:block;font-family:var(--sans);font-size:.9rem;color:var(--slate);margin:.4rem 0 0;line-height:1.4}
.osc-cat__icon{flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--green);
  transition:transform .35s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease)}
.osc-cat__icon svg{width:14px;height:14px}
.osc-cat.is-open .osc-cat__icon{transform:rotate(180deg);background:var(--green);
  color:var(--ivory);border-color:var(--green)}
.osc-cat__panel{max-height:0;overflow:hidden;transition:max-height .5s var(--ease)}
.osc-cat__inner{padding:0 clamp(20px,3.4vw,36px) clamp(24px,3.4vw,38px);
  border-top:1px solid var(--line);margin-top:2px}
.osc-cat__inner>p:first-child{margin-top:1.3rem}
.osc-cat__inner .osc-lead{color:var(--slate)}

/* property references (no prices/links — details on inquiry) */
.osc-props{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:1.6rem}
.osc-prop{margin:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--ivory);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.osc-prop:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.osc-prop__img{aspect-ratio:3/2;overflow:hidden}
.osc-prop__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.osc-prop:hover .osc-prop__img img{transform:scale(1.05)}
.osc-prop__body{padding:16px 20px 18px}
.osc-prop__loc{font-family:var(--serif);font-size:1.16rem;color:var(--green);margin:0 0 .2em}
.osc-prop__tag{font-family:var(--sans);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brass);margin:0}
.osc-note{margin:1.6rem 0 0;font-size:.95rem;color:var(--slate)}
.osc-note a{font-weight:600;display:inline-flex;align-items:center;gap:.35em;margin-left:.35em}
.osc-note a svg{width:14px;height:14px;transition:transform .2s var(--ease)}
.osc-note a:hover svg{transform:translate(2px,-2px)}

/* feature callout inside hard money */
.osc-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-top:1.6rem}
.osc-fact{background:var(--ivory);padding:22px 20px}
.osc-fact b{display:block;font-family:var(--serif);font-size:1.6rem;color:var(--green);line-height:1}
.osc-fact span{display:block;font-size:.86rem;color:var(--slate);margin-top:.5em}

/* ---------- approach strip (green) ---------- */
.osc-approach__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,4vw,54px);margin-top:2.4rem}
.osc-pillar h3{font-size:1.28rem;color:var(--ivory);display:flex;gap:.6em;align-items:baseline}
.osc-pillar h3 em{font-family:var(--serif);font-style:normal;color:var(--brass-soft);font-size:.9rem}
.osc-pillar p{color:#cdd8cf;font-size:.98rem;margin:0}

/* ---------- human verification (icon pick) ---------- */
.osc-human{border:1px solid var(--line);border-radius:var(--radius);background:var(--ivory);
  padding:16px 16px 18px;margin:2px 0 20px;min-width:0}
.osc-human__q{font-family:var(--sans);font-weight:600;font-size:.82rem;letter-spacing:.03em;
  color:var(--ink);padding:0 2px;margin-bottom:12px}
.osc-human__q b{color:var(--green);text-transform:capitalize}
.osc-human__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.osc-human__tile{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:12px 6px;border:1px solid var(--line);border-radius:8px;background:var(--white);
  cursor:pointer;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
.osc-human__tile:hover{border-color:var(--brass);transform:translateY(-2px)}
.osc-human__tile input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.osc-human__ico{color:var(--green);line-height:0}
.osc-human__ico svg{width:30px;height:30px}
.osc-human__name{font-family:var(--sans);font-size:.72rem;letter-spacing:.04em;color:var(--slate)}
.osc-human__tile:has(input:checked){border-color:var(--green);background:#eef4ef;
  box-shadow:0 0 0 2px rgba(33,78,57,.14)}
.osc-human__tile:has(input:checked) .osc-human__name{color:var(--green);font-weight:600}
.osc-human__tile:has(input:focus-visible){outline:2px solid var(--brass);outline-offset:2px}

/* ---------- contact form ---------- */
.osc-contact__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,72px);align-items:start}
.osc-contact__aside .osc-lead{margin-bottom:1.6rem}
.osc-contact__meta{list-style:none;margin:0;padding:0}
.osc-contact__meta li{display:flex;gap:12px;align-items:flex-start;margin-bottom:1rem;
  font-size:.98rem;color:var(--slate)}
.osc-contact__meta svg{width:18px;height:18px;color:var(--brass);flex:0 0 auto;margin-top:3px}
.osc-contact__meta a{color:var(--green);font-weight:500}

.osc-form{background:var(--white);border:1px solid var(--line);border-radius:10px;
  padding:clamp(24px,3.4vw,40px);box-shadow:var(--shadow-sm)}
.osc-field{margin-bottom:18px}
.osc-field label{display:block;font-family:var(--sans);font-weight:600;font-size:.82rem;
  letter-spacing:.04em;color:var(--ink);margin-bottom:7px}
.osc-field label .req{color:var(--brass)}
.osc-field input,.osc-field select,.osc-field textarea{width:100%;font-family:var(--sans);
  font-size:1rem;color:var(--ink);background:var(--ivory);border:1px solid var(--line);
  border-radius:var(--radius);padding:.8em .9em;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.osc-field input:focus,.osc-field select:focus,.osc-field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(33,78,57,.12)}
.osc-field textarea{min-height:130px;resize:vertical}
.osc-field--row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:0}
.osc-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.osc-form__submit{width:100%;justify-content:center;margin-top:6px}
.osc-form__note{font-size:.8rem;color:var(--slate);text-align:center;margin:14px 0 0}

.osc-alert{border-radius:var(--radius);padding:14px 16px;margin-bottom:20px;font-size:.94rem;
  display:flex;gap:10px;align-items:flex-start}
.osc-alert svg{width:18px;height:18px;flex:0 0 auto;margin-top:2px}
.osc-alert--ok{background:#e9f2ec;color:#1c5138;border:1px solid #cfe3d6}
.osc-alert--err{background:#fbecea;color:#8a2c22;border:1px solid #f1d2ce}

/* ---------- footer ---------- */
.osc-footer{background:var(--green-deep);color:#c7d3c9;padding-block:clamp(52px,7vw,80px) 30px}
.osc-footer a{color:#e7ede8}
.osc-footer a:hover{color:var(--brass-soft)}
.osc-footer__inner{text-align:center;display:flex;flex-direction:column;align-items:center}
.osc-footer__mark{width:96px;height:auto;opacity:.95;margin-bottom:18px}
.osc-footer__name{font-family:var(--serif);font-size:1.5rem;color:var(--ivory);margin:0 0 .35rem;letter-spacing:.02em}
.osc-footer__meta{font-family:var(--sans);font-weight:600;font-size:.72rem;letter-spacing:.24em;
  text-transform:uppercase;color:var(--brass-soft);margin:0 0 1rem}
.osc-footer__tag{font-size:.92rem;color:#a9b8ad;margin:0 0 1rem;max-width:44ch}
.osc-footer__mail{margin:0 0 .4rem;font-size:1rem}
.osc-footer__mail a{color:var(--ivory);font-weight:500}
.osc-footer__rule{width:100%;max-width:260px;margin:1.6rem auto}
.osc-footer__rule::before{background:linear-gradient(90deg,transparent,rgba(255,255,255,.22))}
.osc-footer__rule::after{background:linear-gradient(90deg,rgba(255,255,255,.22),transparent)}
.osc-footer__copy{font-size:.8rem;color:#8fa196;margin:0}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .osc-contact__grid{grid-template-columns:1fr}
  .osc-approach__grid{grid-template-columns:1fr;gap:26px}
  .osc-nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--ivory);border-bottom:1px solid var(--line);padding:8px var(--gutter) 20px;
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:transform .3s var(--ease),opacity .3s var(--ease);
    box-shadow:var(--shadow-md)}
  .osc-nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .osc-nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1rem;white-space:normal}
  .osc-nav a::after{display:none}
  .osc-nav a.osc-btn{margin-top:14px;justify-content:center;border-bottom:0}
  .osc-burger{display:block}
}
@media(max-width:760px){
  .osc-props{grid-template-columns:1fr}
  .osc-facts{grid-template-columns:1fr}
}
@media(max-width:440px){
  .osc-human__grid{grid-template-columns:repeat(2,1fr)}
}

@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .osc-prop:hover .osc-prop__img img{transform:none}
  .osc-btn:hover{transform:none}
}