/* ==========================================================================
   Archo Advocacy — editorial pharma-industry publication.
   Georgia (display) · Source Serif 4 (body) · Public Sans (utility).
   Bone canvas, navy dominance, champagne gold used surgically.
   No card grids. No icon circles. No sidebar accent stripes. No AI slop.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,300..700;1,8..60,300..700&family=Public+Sans:ital,wght@0,300..700;1,300..700&display=swap');

:root{
  /* Brand palette — canonical values held. New tokens layered on top. */
  --navy:#05153A;
  --navy-deep:#020c22;
  --navy-mid:#1a2b52;
  --champagne:#D1B98B;
  --champagne-warm:#c9ac74;
  --bronze:#8A6E3E;
  --graphite:#2A3140;
  --slate:#5B6B8C;
  --bone:#F5F3EE;
  --bone-warm:#EDE8DC;
  --paper:#FBF9F4;
  --ink:#141922;
  --rule:#D8CFB9;
  --rule-soft:#E9E2CC;
  --rule-dim:rgba(20,25,34,0.12);

  /* Typography */
  --serif-display:'Georgia','Sorts Mill Goudy','Times New Roman',serif;
  --serif-text:'Source Serif 4','Georgia',serif;
  --sans:'Public Sans','Helvetica Neue',Arial,sans-serif;

  /* Modular scale — fluid, generous, editorial */
  --step-0: clamp(0.94rem, 0.88rem + 0.30vw, 1.06rem);
  --step-1: clamp(1.10rem, 1.02rem + 0.42vw, 1.30rem);
  --step-2: clamp(1.35rem, 1.20rem + 0.75vw, 1.75rem);
  --step-3: clamp(1.75rem, 1.44rem + 1.55vw, 2.55rem);
  --step-4: clamp(2.35rem, 1.75rem + 3.00vw, 3.85rem);
  --step-5: clamp(3.10rem, 2.10rem + 5.00vw, 5.80rem);
  --step-6: clamp(4.00rem, 2.40rem + 8.00vw, 8.40rem);

  /* Spacing — 4pt scale, semantic names */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;
  --space-6xl: 192px;

  /* Layout */
  --measure: 66ch;
  --gutter: clamp(20px, 4vw, 56px);
  --column: min(1280px, 100% - (var(--gutter) * 2));

  /* Motion */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-med: 320ms;
  --dur-slow: 600ms;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--serif-text);
  font-optical-sizing:auto;
  font-weight:400;
  font-size:var(--step-0);
  line-height:1.62;
  color:var(--ink);
  background:var(--bone);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

::selection{background:var(--champagne);color:var(--navy);}

a{color:inherit;text-decoration:none;}
img,svg{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}

/* ---------- LAYOUT PRIMITIVES ---------- */
.wrap{width:var(--column);margin-inline:auto;}
.prose{max-width:var(--measure);}

/* ---------- TYPOGRAPHY ---------- */
h1,h2,h3,h4,h5,h6{
  font-family:var(--serif-display);
  font-weight:400;
  line-height:1.02;
  color:var(--navy);
  text-wrap:balance;
}
h1{font-size:var(--step-6);letter-spacing:-0.025em;line-height:0.94;}
h2{font-size:var(--step-5);letter-spacing:-0.02em;line-height:0.98;}
h3{font-size:var(--step-3);letter-spacing:-0.012em;line-height:1.08;}
h4{font-size:var(--step-2);letter-spacing:-0.008em;line-height:1.15;}
h5{font-size:var(--step-1);letter-spacing:-0.004em;line-height:1.2;}

/* Editorial italic — the "em" is meaningful, not decorative */
h1 em, h2 em, h3 em, .cta em{
  font-style:italic;
  font-weight:400;
  color:var(--bronze);
  letter-spacing:-0.005em;
}
h1 em, h2 em{color:var(--bronze);}
.on-navy h1 em, .on-navy h2 em, .on-navy h3 em, .cta.on-navy em{color:var(--champagne);}

p{max-width:var(--measure);}
strong{font-weight:600;color:var(--navy);}

/* Editorial small-caps kicker */
.kicker{
  font-family:var(--serif-display);
  font-variant-caps:all-small-caps;
  font-feature-settings:"c2sc","smcp";
  letter-spacing:0.22em;
  font-size:0.86rem;
  color:var(--bronze);
  display:inline-flex;
  align-items:baseline;
  gap:0.6rem;
}
.kicker::before{
  content:"";
  display:inline-block;
  width:2.2rem;
  height:1px;
  background:var(--champagne);
  transform:translateY(-0.35em);
}
.on-navy .kicker{color:var(--champagne);}
.on-navy .kicker::before{background:var(--champagne);}

/* Deck — big italic sub-headline that sits under h1/h2 */
.deck{
  font-family:var(--serif-text);
  font-style:italic;
  font-size:var(--step-2);
  line-height:1.34;
  color:var(--slate);
  max-width:44ch;
  font-weight:400;
}
.on-navy .deck{color:#c8cede;}

/* Small caps line labels */
.label{
  font-family:var(--sans);
  font-size:0.72rem;
  letter-spacing:0.24em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--slate);
}
.on-navy .label{color:#8a99b8;}

/* Editorial figure numbering */
.folio{
  font-family:var(--serif-display);
  font-style:italic;
  color:var(--bronze);
  font-size:2.4rem;
  line-height:1;
  letter-spacing:-0.02em;
}
.on-navy .folio{color:var(--champagne);}

/* ---------- BUTTONS — editorial, minimal, underline-reveal ---------- */
.btn{
  font-family:var(--sans);
  font-size:0.82rem;
  font-weight:500;
  letter-spacing:0.14em;
  text-transform:uppercase;
  padding:14px 26px;
  display:inline-flex;
  align-items:center;
  gap:0.6rem;
  border:1px solid transparent;
  transition:background-color var(--dur-fast) var(--ease-out-quart),
             color var(--dur-fast) var(--ease-out-quart),
             border-color var(--dur-fast) var(--ease-out-quart);
  cursor:pointer;
}
.btn::after{
  content:"→";
  font-family:var(--serif-display);
  font-style:italic;
  font-size:1.05rem;
  transition:transform var(--dur-fast) var(--ease-out-quart);
}
.btn:hover::after{transform:translateX(4px);}
.btn-primary{background:var(--navy);color:var(--bone);}
.btn-primary:hover{background:var(--navy-deep);}
.btn-gold{background:var(--champagne);color:var(--navy);}
.btn-gold:hover{background:var(--champagne-warm);}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--navy);}
.btn-ghost:hover{background:var(--navy);color:var(--bone);}
.on-navy .btn-ghost{color:var(--bone);border-color:rgba(245,243,238,0.4);}
.on-navy .btn-ghost:hover{background:var(--bone);color:var(--navy);border-color:var(--bone);}

/* Editorial text link — underlined, italic option */
.link{
  color:var(--navy);
  border-bottom:1px solid var(--bronze);
  padding-bottom:2px;
  transition:border-color var(--dur-fast), color var(--dur-fast);
  font-family:var(--sans);
  font-size:0.85rem;
  font-weight:500;
  letter-spacing:0.04em;
}
.link:hover{color:var(--bronze);}
.on-navy .link{color:var(--bone);border-color:var(--champagne);}
.on-navy .link:hover{color:var(--champagne);}

/* ---------- HEADER — editorial masthead ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:var(--bone);
  border-bottom:1px solid var(--rule-dim);
}
header.site::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:1px;
  background:var(--navy);
}
.nav{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:var(--space-2xl);
  align-items:center;
  height:78px;
  padding-top:6px;
}
.brand{display:flex;align-items:center;gap:14px;}
.brand img{width:36px;height:36px;}
.brand .bn{
  font-family:var(--serif-display);
  font-size:1.5rem;
  font-weight:700;
  color:var(--navy);
  text-transform:uppercase;
  letter-spacing:0.04em;
  line-height:1;
}
.brand .bs{
  font-family:var(--sans);
  font-size:0.62rem;
  letter-spacing:0.28em;
  text-transform:uppercase;
  color:var(--slate);
  margin-top:2px;
}
footer.site .brand .bn{color:var(--bone);}
.nav-links{
  display:flex;
  align-items:center;
  gap:var(--space-2xl);
  justify-self:center;
}
.nav-links a{
  font-family:var(--sans);
  font-size:0.82rem;
  font-weight:700;
  letter-spacing:0.06em;
  color:var(--graphite);
  padding:4px 0;
  border-bottom:1px solid transparent;
  transition:color var(--dur-fast), border-color var(--dur-fast);
}
.nav-links a:hover,
.nav-links a.active{color:var(--navy);border-bottom-color:var(--champagne);}
.nav-cta{display:flex;align-items:center;gap:var(--space-lg);}

/* INSIGHTS nav dropdown */
.nav-dd{position:relative;display:inline-flex;align-items:center;}
.nav-dd > a.has::after{content:"\25BE";font-size:0.6rem;margin-left:5px;color:var(--slate);}
.nav-dd-menu{
  position:absolute;top:100%;left:0;
  min-width:200px;
  background:#fff;
  border:1px solid var(--rule-dim);
  box-shadow:0 10px 30px rgba(5,21,58,0.14);
  padding:6px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity var(--dur-fast), transform var(--dur-fast), visibility var(--dur-fast);
  z-index:60;
}
.nav-dd:hover .nav-dd-menu,
.nav-dd:focus-within .nav-dd-menu{opacity:1;visibility:visible;transform:translateY(0);}
.nav-dd-menu a{padding:8px 12px;white-space:nowrap;border-bottom:1px solid transparent;}
.nav-dd-menu a:hover{color:var(--navy);background:#F3F4F9;border-bottom-color:transparent;}

/* ---------- SECTION HELPERS ---------- */
.sec{padding:var(--space-4xl) 0;}
.sec.tight{padding:var(--space-3xl) 0;}
.sec.on-navy,.sec.navy{background:var(--navy);color:var(--bone);}
.sec.paper{background:var(--paper);}
.sec.warm{background:var(--bone-warm);}

.on-navy h1,.on-navy h2,.on-navy h3,.on-navy h4,.on-navy h5{color:var(--bone);}
.on-navy p{color:#c8cede;}

/* Hair-rule divider — editorial */
.rule{
  border:0;height:1px;
  background:var(--rule);
  margin:var(--space-3xl) 0;
}
.rule.on-navy{background:rgba(209,185,139,0.3);}

/* ---------- EDITORIAL SECTION HEAD ---------- */
.head-block{
  display:grid;
  grid-template-columns:1fr 1.4fr;
  gap:var(--space-3xl);
  align-items:end;
  padding-bottom:var(--space-2xl);
  border-bottom:1px solid var(--rule);
}
.head-block .kicker{grid-column:1;}
.head-block h2{grid-column:1 / -1;margin-top:var(--space-md);}
.head-block .deck{grid-column:2;justify-self:end;}

/* ---------- FOOTER — masthead style ---------- */
footer.site{
  background:var(--navy);
  color:var(--bone);
  padding:var(--space-4xl) 0 var(--space-2xl);
  position:relative;
}
footer.site::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--champagne);
}
.f-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:var(--space-3xl);
  padding-bottom:var(--space-3xl);
  border-bottom:1px solid rgba(209,185,139,0.24);
}
.f-brand p{
  font-size:var(--step-0);
  line-height:1.6;
  color:#c8cede;
  margin-top:var(--space-md);
  max-width:32ch;
}
.f-col h5{
  font-family:var(--sans);
  font-size:0.72rem;
  letter-spacing:0.24em;
  text-transform:uppercase;
  color:var(--champagne);
  font-weight:500;
  margin-bottom:var(--space-lg);
}
.f-col a{
  display:block;
  font-family:var(--serif-text);
  font-size:var(--step-0);
  color:#c8cede;
  padding:6px 0;
  transition:color var(--dur-fast);
}
.f-col a:hover{color:var(--bone);}
.f-sub p{font-size:var(--step-0);color:#c8cede;line-height:1.55;margin-bottom:var(--space-md);}
.f-contact a,.f-contact span{
  display:block;
  font-family:var(--serif-text);
  font-size:var(--step-0);
  color:#c8cede;
  padding:4px 0;
}
.f-bot{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:var(--space-lg);
  font-family:var(--sans);
  font-size:0.72rem;
  color:#8a99b8;
  letter-spacing:0.04em;
  flex-wrap:wrap;
  gap:var(--space-md);
}
.f-bot a{color:#8a99b8;border-bottom:1px solid transparent;}
.f-bot a:hover{color:var(--bone);border-bottom-color:var(--champagne);}
.f-bot .soc{display:flex;gap:var(--space-sm);}
.f-bot .soc a{
  width:36px;height:36px;
  border:1px solid rgba(209,185,139,0.28);
  display:inline-block;
  background-repeat:no-repeat;
  background-position:center;
  background-size:18px 18px;
  transition:border-color var(--dur-fast), background-color var(--dur-fast), transform var(--dur-fast);
  text-indent:-9999px;
  overflow:hidden;
}
.f-bot .soc a:hover{border-color:var(--champagne);transform:translateY(-2px);}
.f-bot .soc a.soc-li{background-image:url('assets/social/linkedin.png');}
.f-bot .soc a.soc-ig{background-image:url('assets/social/instagram.png');}
.f-bot .soc a.soc-x{background-image:url('assets/social/x.png');}
.f-bot .soc a.soc-yt{background-image:url('assets/social/youtube.png');}

/* ---------- BREADCRUMB ---------- */
.crumb{
  font-family:var(--sans);
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--slate);
}
.crumb a{color:var(--bronze);border-bottom:1px solid var(--rule);padding-bottom:2px;}

/* ---------- PAGE HERO (used by inner pages) ---------- */
.phero{
  background:var(--bone);
  color:var(--navy);
  padding:var(--space-4xl) 0 var(--space-3xl);
  border-bottom:1px solid var(--rule);
}
.phero .kicker{margin-bottom:var(--space-md);}
.phero h1{font-size:var(--step-5);margin-bottom:var(--space-lg);}
.phero .deck{max-width:52ch;}
.phero .actions{margin-top:var(--space-2xl);display:flex;gap:var(--space-md);flex-wrap:wrap;}

/* ---------- MODE — reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
}

/* ---------- SHARED CTA — pre-footer editorial invitation. Used by all inner pages. ---------- */
.cta{
  background:var(--paper);
  color:var(--navy);
  padding:var(--space-5xl) 0 var(--space-4xl);
  text-align:center;
  position:relative;
  border-top:1px solid var(--rule);
  border-bottom:1px solid var(--rule);
  margin-bottom:var(--space-4xl);
}
.cta::before{
  content:"";
  position:absolute;left:50%;top:0;height:2px;width:120px;
  transform:translateX(-50%);
  background:var(--champagne);
}
.cta .inner{position:relative;z-index:1;max-width:56ch;margin:0 auto;padding:0 var(--gutter);}
.cta h2{
  color:var(--navy);
  font-size:clamp(2.2rem, 1.6rem + 2.8vw, 4rem);
  letter-spacing:-0.018em;
  line-height:1.02;
  margin-top:var(--space-md);
  max-width:22ch;
  margin-inline:auto;
}
.cta h2 em{color:var(--bronze);font-style:italic;font-weight:400;}
.cta p{
  margin:var(--space-lg) auto var(--space-2xl);
  font-family:var(--serif-display);
  font-style:italic;
  font-size:var(--step-1);
  line-height:1.45;
  color:var(--slate);
  max-width:46ch;
}
.cta .actions{
  display:flex;
  gap:var(--space-md);
  justify-content:center;
  flex-wrap:wrap;
}

/* Editorial cover block — placeholder navy tile used for service imagery + article thumbs */
.ed-cover{
  aspect-ratio:5/4;
  background:var(--navy);
  color:var(--bone);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  padding:var(--space-lg);
  position:relative;
  overflow:hidden;
}
.ed-cover::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--champagne);
}
.ed-cover::after{
  content:"";
  position:absolute;
  right:-40%;top:-40%;
  width:180%;height:180%;
  background:radial-gradient(circle at 60% 60%, rgba(209,185,139,0.18) 0%, transparent 55%);
  pointer-events:none;
}
.ed-cover .kick{
  font-family:var(--sans);
  font-size:0.68rem;
  letter-spacing:0.24em;
  text-transform:uppercase;
  color:var(--champagne);
  position:relative;z-index:1;
}
.ed-cover .num{
  font-family:var(--serif-display);
  font-style:italic;
  font-size:5rem;
  color:var(--champagne);
  line-height:0.9;
  letter-spacing:-0.03em;
  position:relative;z-index:1;
  margin-top:auto;
}
.ed-cover .ttl{
  font-family:var(--serif-display);
  font-size:1.6rem;
  line-height:1.05;
  letter-spacing:-0.008em;
  color:var(--bone);
  position:relative;z-index:1;
  margin-top:var(--space-sm);
}
.ed-cover .ttl em{font-style:italic;color:var(--champagne);}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px){
  .head-block{grid-template-columns:1fr;}
  .head-block .deck{justify-self:start;}
  .nav{grid-template-columns:auto 1fr;gap:var(--space-lg);}
  .nav-links{display:none;}
  .f-top{grid-template-columns:1fr 1fr;}
  .f-bot{flex-direction:column;align-items:flex-start;}
}
@media (max-width: 620px){
  .f-top{grid-template-columns:1fr;}
  .sec{padding:var(--space-3xl) 0;}
}

/* ---------- MOBILE DRAWER ---------- */
.nav-burger{display:none;}
.drawer,.scrim{display:none;}
body.nav-locked{overflow:hidden;}

@media (max-width: 900px){
  .nav-cta{display:none;}
  .nav-burger{
    display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
    justify-self:end;width:44px;height:44px;padding:10px;
    background:transparent;border:0;cursor:pointer;
  }
  .nav-burger span{display:block;height:2px;width:100%;background:var(--navy);}

  .scrim{
    display:block;position:fixed;inset:0;background:rgba(5,21,58,0.5);
    opacity:0;visibility:hidden;
    transition:opacity var(--dur-med), visibility var(--dur-med);z-index:80;
  }
  .scrim.open{opacity:1;visibility:visible;}

  .drawer{
    display:flex;flex-direction:column;gap:var(--space-lg);
    position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);
    background:var(--bone);border-left:1px solid var(--rule);
    box-shadow:-20px 0 60px -30px rgba(5,21,58,0.5);
    padding:76px 28px 32px;
    transform:translateX(100%);visibility:hidden;
    transition:transform var(--dur-med) var(--ease-out-quart), visibility var(--dur-med);
    z-index:90;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0);visibility:visible;}
  .drawer-close{
    position:absolute;top:20px;right:20px;width:40px;height:40px;
    font-size:28px;line-height:1;background:transparent;border:0;
    color:var(--navy);cursor:pointer;
  }
  .drawer-nav{display:flex;flex-direction:column;}
  .drawer-nav > a,.drawer-nav .nav-dd > a{
    display:block;padding:14px 0;font-family:var(--sans);
    font-size:1.05rem;font-weight:700;letter-spacing:0.02em;
    color:var(--graphite);border-bottom:1px solid var(--rule-dim);
  }
  .drawer-nav > a:hover,.drawer-nav .nav-dd > a:hover{color:var(--navy);}

  /* Insights accordion inside the drawer */
  .drawer-nav .nav-dd{position:static;display:flex;flex-wrap:wrap;align-items:center;}
  .drawer-nav .nav-dd > a{flex:1;}
  .drawer-nav .nav-dd > a.has::after{content:none;}
  .dd-toggle{
    width:44px;height:52px;background:transparent;border:0;cursor:pointer;
    border-bottom:1px solid var(--rule-dim);
    display:flex;align-items:center;justify-content:center;
  }
  .dd-toggle::after{content:"\25BE";color:var(--slate);font-size:0.8rem;transition:transform var(--dur-fast);}
  .nav-dd.open .dd-toggle::after{transform:rotate(180deg);}
  .drawer-nav .nav-dd-menu{
    position:static;flex-basis:100%;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:0;padding:0;min-width:0;background:transparent;
    max-height:0;overflow:hidden;transition:max-height var(--dur-med);
  }
  .nav-dd.open .nav-dd-menu{max-height:220px;}
  .drawer-nav .nav-dd-menu a{
    padding:12px 0 12px 18px;font-size:0.95rem;font-weight:600;
    color:var(--slate);border-bottom:1px solid var(--rule-dim);
  }
  .drawer-nav .nav-dd-menu a:hover{color:var(--navy);background:transparent;}

  .drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:var(--space-lg);}
  .drawer-cta .btn,.drawer-cta .link{width:100%;text-align:center;}
}