/* ============================================================
   ARVESTA ADVISORS — DESIGN SYSTEM
   Shared across Home, Services, About, Contact.
   Edit tokens here; every page inherits.
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root{
  /* Foundation */
  --navy:        #071A35;
  --navy-deep:   #04101F;
  --navy-soft:   #0E2647;
  --navy-line:   rgba(255,255,255,.14);

  /* Accents */
  --emerald:     #0C8F75;
  --emerald-dk:  #096E5A;
  --teal:        #19B8A5;
  --gold:        #D1AF68;
  --gold-dk:     #A8863F;

  /* Light */
  --ivory:       #F6F3EC;
  --ivory-warm:  #FBF9F5;
  --white:       #FFFFFF;

  /* Text */
  --charcoal:    #18202B;
  --body:        #4A5866;
  --body-light:  rgba(255,255,255,.70);
  --line:        rgba(24,32,43,.13);

  /* Type */
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans:  'Schibsted Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

  /* Layout */
  --max:   1240px;
  --gut:   clamp(22px, 4vw, 56px);
  --sec:   clamp(80px, 10vw, 152px);

  /* Motion */
  --ease:  cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --dur:   .85s;
}

/* ---------- 2. RESET ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:hidden}
body{
  font-family:var(--sans);
  font-size:17px;line-height:1.62;font-weight:350;
  color:var(--body);background:var(--ivory-warm);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
::selection{background:var(--emerald);color:#fff}

/* ---------- 3. TYPE ---------- */
h1,h2,h3,h4{
  font-family:var(--serif);font-weight:400;
  color:var(--navy);line-height:1.06;letter-spacing:-.018em;
}
.d1{font-size:clamp(3rem,7.4vw,6.1rem)}
.d2{font-size:clamp(2.3rem,4.9vw,4.05rem);line-height:1.08}
.d3{font-size:clamp(1.75rem,3.1vw,2.7rem);line-height:1.12}
.d4{font-size:clamp(1.3rem,1.9vw,1.62rem);line-height:1.22;letter-spacing:-.01em}
.serif-italic{font-style:italic;font-variation-settings:'opsz' 36}

.eyebrow{
  font-family:var(--sans);font-size:.7rem;font-weight:600;
  letter-spacing:.26em;text-transform:uppercase;color:var(--emerald);
  display:block;
}
.eyebrow--light{color:var(--gold)}
.lead{font-size:clamp(1.06rem,1.35vw,1.19rem);line-height:1.62;font-weight:350;color:var(--body);max-width:58ch}
.lead--light{color:var(--body-light)}
.small{font-size:.86rem;line-height:1.55}

/* ---------- 4. LAYOUT ---------- */
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.wrap--wide{max-width:1480px}
section{padding-block:var(--sec);position:relative}
.bg-navy{background:var(--navy);color:var(--body-light)}
.bg-navy h1,.bg-navy h2,.bg-navy h3,.bg-navy h4{color:#fff}
.bg-ivory{background:var(--ivory)}
.bg-white{background:var(--white)}
.bg-deep{background:var(--navy-deep);color:var(--body-light)}
.bg-deep h2,.bg-deep h3,.bg-deep h4{color:#fff}

/* ---------- 5. LOGO ---------- */
.logo{display:flex;align-items:center;gap:13px;flex:none}
.logo__mark{width:34px;height:32px;flex:none}
.logo__type{display:flex;flex-direction:column;line-height:1}
.logo__name{
  font-family:var(--serif);font-size:1.31rem;letter-spacing:.09em;
  color:var(--navy);transition:color .4s var(--ease);
}
.logo__sub{
  font-family:var(--sans);font-size:.53rem;font-weight:600;letter-spacing:.34em;
  color:var(--emerald);margin-top:4px;transition:color .4s var(--ease);
}
.on-dark .logo__name{color:#fff}
.on-dark .logo__sub{color:var(--teal)}

/* ---------- 6. NAV ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:200;
  transition:background .45s var(--ease),box-shadow .45s var(--ease),padding .45s var(--ease);
  padding-block:26px;
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
/* Stuck nav stays dark on every section — a light bar over the navy
   sections read washed-out and broke the contrast the brand depends on. */
.nav.is-stuck{
  background:rgba(4,16,31,.88);backdrop-filter:blur(18px) saturate(1.5);
  padding-block:13px;
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.09),0 18px 44px -32px rgba(0,0,0,.9);
}
.nav.is-stuck .logo__name{color:#fff}
.nav.is-stuck .logo__sub{color:var(--teal)}
.nav.is-stuck .nav__link{color:rgba(255,255,255,.82)}
.nav.is-stuck .nav__link.is-active{color:var(--teal)}
.nav.is-stuck .burger span{background:#fff}

.nav__links{display:flex;align-items:center;gap:38px}
.nav__link{
  font-size:.885rem;font-weight:400;letter-spacing:.015em;
  color:rgba(255,255,255,.82);position:relative;padding-block:4px;transition:color .3s;
}
.nav__link::after{
  content:'';position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--teal);transition:width .42s var(--ease-out);
}
.nav__link:hover::after,.nav__link.is-active::after{width:100%}
.nav__link.is-active{color:var(--teal)}
.nav.is-stuck .nav__link.is-active{color:var(--emerald)}

.burger{display:none;padding:9px;margin-right:-9px}
.burger span{display:block;width:24px;height:1.6px;background:#fff;margin:6px 0;border-radius:2px;transition:.38s var(--ease)}
.burger.is-open span:nth-child(1){transform:translateY(7.6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0;transform:scaleX(.3)}
.burger.is-open span:nth-child(3){transform:translateY(-7.6px) rotate(-45deg)}

/* ---------- 7. BUTTONS ---------- */
.btn{
  --btn-fg:#fff;--btn-bg:var(--emerald);
  position:relative;display:inline-flex;align-items:center;gap:11px;
  padding:16px 30px;border-radius:2px;overflow:hidden;
  font-size:.9rem;font-weight:500;letter-spacing:.02em;
  color:var(--btn-fg);background:var(--btn-bg);
  transition:transform .4s var(--ease-out),box-shadow .4s var(--ease-out),color .35s;
  isolation:isolate;
}
.btn::before{
  content:'';position:absolute;inset:0;z-index:-1;background:var(--teal);
  transform:translateY(101%);transition:transform .48s var(--ease-out);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px -18px rgba(12,143,117,.75)}
.btn:hover::before{transform:translateY(0)}
.btn__arw{width:15px;height:15px;stroke:currentColor;stroke-width:1.9;fill:none;transition:transform .42s var(--ease-out)}
.btn:hover .btn__arw{transform:translateX(5px)}

.btn--ghost{--btn-bg:transparent;--btn-fg:var(--navy);border:1px solid var(--line)}
.btn--ghost::before{background:var(--navy)}
.btn--ghost:hover{color:#fff;box-shadow:none;border-color:var(--navy)}
.on-dark .btn--ghost,.bg-navy .btn--ghost,.bg-deep .btn--ghost{--btn-fg:#fff;border-color:var(--navy-line)}
.on-dark .btn--ghost::before,.bg-navy .btn--ghost::before,.bg-deep .btn--ghost::before{background:#fff}
.on-dark .btn--ghost:hover,.bg-navy .btn--ghost:hover,.bg-deep .btn--ghost:hover{color:var(--navy);border-color:#fff}
.btn--gold{--btn-bg:var(--gold);--btn-fg:var(--navy)}
.btn--gold::before{background:#e2c589}

/* Text link with animated rule */
.tlink{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.92rem;font-weight:500;color:var(--emerald);
  padding-bottom:5px;position:relative;
}
.tlink::after{content:'';position:absolute;left:0;bottom:0;height:1px;width:100%;background:currentColor;opacity:.32;transition:opacity .3s}
.tlink span.rule{position:absolute;left:0;bottom:0;height:1px;width:0;background:currentColor;transition:width .5s var(--ease-out)}
.tlink:hover span.rule{width:100%}
.tlink:hover::after{opacity:0}
.tlink svg{width:14px;height:14px;stroke:currentColor;stroke-width:2;fill:none;transition:transform .42s var(--ease-out)}
.tlink:hover svg{transform:translateX(5px)}
.on-dark .tlink,.bg-navy .tlink,.bg-deep .tlink{color:var(--teal)}

/* ---------- 8. MEDIA / IMAGE REVEAL ---------- */
.media{
  position:relative;overflow:hidden;background:
    linear-gradient(150deg,var(--navy-soft) 0%,var(--navy) 55%,var(--emerald-dk) 140%);
}
.media img{
  width:100%;height:100%;object-fit:cover;
  transform:scale(1.14);transition:transform 1.5s var(--ease-out),opacity .8s ease;
  opacity:0;
}
.media.is-in img{transform:scale(1);opacity:1}
.media::after{
  content:'';position:absolute;inset:0;background:var(--ivory);
  transform:scaleY(1);transform-origin:bottom;
  transition:transform 1.05s var(--ease-out);
}
.media.is-in::after{transform:scaleY(0)}
.media--dark::after{background:var(--navy)}
.media--zoom img{transition:transform 7s linear,opacity .8s ease}
.media--zoom.is-in img{transform:scale(1.07)}
.media__cap{
  position:absolute;left:0;bottom:0;padding:14px 18px;
  font-size:.68rem;letter-spacing:.15em;text-transform:uppercase;font-weight:600;
  color:rgba(255,255,255,.9);background:linear-gradient(to top,rgba(4,16,31,.72),transparent);
  width:100%;
}

/* ---------- 9. SCROLL REVEALS ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity var(--dur) var(--ease-out),transform var(--dur) var(--ease-out)}
.rv.is-in{opacity:1;transform:none}
.rv-line{overflow:hidden;display:block}
.rv-line>span{display:block;transform:translateY(105%);transition:transform 1s var(--ease-out)}
.rv-line.is-in>span{transform:translateY(0)}

/* animated divider */
.rule{height:1px;background:var(--line);transform:scaleX(0);transform-origin:left;transition:transform 1.1s var(--ease-out)}
.rule.is-in{transform:scaleX(1)}
.on-dark .rule,.bg-navy .rule,.bg-deep .rule{background:var(--navy-line)}

@media (prefers-reduced-motion:reduce){
  .rv,.rv-line>span,.rule,.media img,.media::after{transition:none!important;opacity:1!important;transform:none!important}
  html{scroll-behavior:auto}
}

/* ---------- 9b. INNER-PAGE HERO (Services, About, Contact) ---------- */
.phero{
  position:relative;background:var(--navy);color:var(--body-light);
  padding-top:clamp(126px,13.5vh,168px);padding-bottom:0;overflow:hidden;
}
.phero::before{
  content:'';position:absolute;width:760px;height:760px;border-radius:50%;
  background:radial-gradient(circle,rgba(12,143,117,.28),transparent 66%);
  top:-300px;right:-220px;pointer-events:none;
}
.phero::after{
  content:'';position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(209,175,104,.13),transparent 68%);
  bottom:-160px;left:-200px;pointer-events:none;
}
.phero__inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .6fr;
  gap:clamp(32px,4vw,60px);align-items:end;padding-bottom:clamp(40px,4.6vw,66px);
}
.phero h1,.phero h2{color:#fff}
.phero h1{max-width:21ch;margin-top:24px}
.phero .lead{padding-bottom:6px}
.phero__media{height:clamp(230px,30vw,380px);clip-path:inset(0 0 100% 0);transition:clip-path 1.25s var(--ease-out)}
.phero__media.is-in{clip-path:inset(0 0 0 0)}
.phero--plain{padding-bottom:clamp(20px,3vw,44px)}
.phero--plain .phero__inner{padding-bottom:clamp(48px,6vw,88px)}
@media (max-width:1080px){
  .phero__inner{grid-template-columns:1fr;gap:28px;align-items:start}
}

/* ---------- 9c. IMAGE PLACEHOLDER (founder portrait, etc.) ---------- */
.ph{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;text-align:center;padding:28px;
  background:
    repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 12px,transparent 12px 24px),
    linear-gradient(158deg,#0E2647,#04101F);
  border:1px dashed rgba(255,255,255,.24);
}
.ph svg{width:38px;height:38px;stroke:var(--teal);stroke-width:1.1;fill:none}
.ph b{font-family:var(--sans);font-size:.71rem;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);font-weight:600}
.ph span{font-size:.8rem;color:rgba(255,255,255,.5);max-width:26ch;line-height:1.5}

/* ---------- 10. SECTION HEADS ---------- */
.shead{max-width:52ch}
.shead .eyebrow{margin-bottom:22px}
.shead h2{margin-bottom:22px}

/* ---------- 11. FOOTER ---------- */
.foot{background:var(--navy-deep);color:rgba(255,255,255,.52);padding-block:76px 34px;font-size:.87rem}
.foot__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:46px}
.foot__grid p{margin-top:20px;max-width:32ch;color:rgba(255,255,255,.5);font-size:.88rem}
.foot h5{
  font-family:var(--sans);font-size:.68rem;font-weight:600;letter-spacing:.2em;
  text-transform:uppercase;color:#fff;margin-bottom:18px;
}
.foot a.fl{display:block;margin-bottom:11px;transition:color .3s,transform .3s var(--ease-out)}
.foot a.fl:hover{color:var(--teal);transform:translateX(3px)}
.foot__bot{
  border-top:1px solid rgba(255,255,255,.09);padding-top:26px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:.79rem;color:rgba(255,255,255,.38);
}

/* ---------- 12. RESPONSIVE ---------- */
@media (max-width:1080px){
  .foot__grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:860px){
  body{font-size:16px}
  .nav__links{
    position:fixed;inset:0 0 auto 0;padding:104px var(--gut) 42px;
    background:var(--navy);flex-direction:column;align-items:flex-start;gap:0;
    transform:translateY(-101%);transition:transform .6s var(--ease-out);
    height:100svh;justify-content:center;
  }
  .nav__links.is-open{transform:translateY(0)}
  .nav__link{font-family:var(--serif);font-size:2.1rem;color:#fff;padding-block:14px}
  .nav__links .btn{margin-top:30px}
  .burger{display:block;position:relative;z-index:2}
  .nav.is-stuck .nav__links.is-open .nav__link{color:#fff}
  .foot__grid{grid-template-columns:1fr;gap:34px}
  .foot__bot{flex-direction:column}
}