/* =========================================================
   ADICIA CONSULTANCY — stylesheet
   Design tokens
   ========================================================= */
:root{
  /* colour */
  --ink:#101A2B;            /* primary text */
  --navy:#0F1B31;           /* deep navy — hero / footer */
  --navy-2:#182A4A;         /* secondary navy for gradients */
  --navy-3:#22385f;
  --steel:#5E7EA8;          /* slate accent */
  --steel-soft:#8FA6C6;
  --brass:#B4884F;          /* muted brass accent */
  --brass-light:#D9B27C;
  --paper:#F0F1EC;          /* page background */
  --paper-dim:#E5E7E0;      /* card background on paper */
  --line:#D6D9D0;           /* hairline on paper */
  --line-dark:rgba(255,255,255,.14);
  --text-muted:#5B6472;
  --text-on-navy:#DDE3EE;
  --text-on-navy-dim:#9CACC6;
  --white:#FFFFFF;

  /* type */
  --f-display:'Fraunces', 'Iowan Old Style', Georgia, serif;
  --f-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --f-mono:'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* rhythm */
  --gap:clamp(1.25rem, 2vw, 2rem);
  --section-pad:clamp(4.5rem, 9vw, 8rem);
  --max:1240px;
  --radius:2px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;cursor:pointer;}

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

:focus-visible{
  outline:2px solid var(--brass);
  outline-offset:3px;
}

.wrap{
  max-width:var(--max);
  margin-inline:auto;
  padding-inline:clamp(1.25rem, 4vw, 3rem);
}

.section{
  padding-block:var(--section-pad);
  position:relative;
}
.section--tight{padding-block:clamp(3rem,6vw,5rem);}
.section--navy{background:var(--navy);color:var(--text-on-navy);}
.section--dim{background:var(--paper-dim);}
.section--border-t{border-top:1px solid var(--line);}

/* eyebrow / structural labels */
.eyebrow{
  display:flex;
  align-items:center;
  gap:.6em;
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--brass);
  margin-bottom:1.1rem;
}
.eyebrow::before{
  content:'';
  width:7px;height:7px;
  background:var(--brass);
  display:inline-block;
  flex:none;
}
.section--navy .eyebrow{color:var(--brass-light);}

.section-head{
  max-width:44rem;
  margin-bottom:clamp(2.25rem,4vw,3.5rem);
}
.section-head--wide{max-width:56rem;}
.section-title{
  font-family:var(--f-display);
  font-weight:560;
  font-size:clamp(1.7rem,3vw,2.5rem);
  line-height:1.15;
  letter-spacing:-0.01em;
}
.section-title em{font-style:italic;font-weight:460;color:var(--brass);}
.section-dek{
  margin-top:1rem;
  color:var(--text-muted);
  font-size:1.05rem;
  max-width:42rem;
}
.section--navy .section-dek{color:var(--text-on-navy-dim);}

.hairline{
  border:none;
  border-top:1px solid var(--line);
  margin:0;
}
.section--navy .hairline{border-top-color:var(--line-dark);}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:fixed;
  inset-inline:0;
  top:0;
  z-index:100;
  background:rgba(15,27,49,0);
  border-bottom:1px solid transparent;
  transition:background .35s ease, border-color .35s ease, backdrop-filter .35s ease;
}
.site-header.is-scrolled{
  background:rgba(15,27,49,.92);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line-dark);
}
.site-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
  padding-block:1rem;
}
.brand{
  display:flex;
  align-items:center;
  gap:.65rem;
}
.brand img{height:34px;width:auto;filter:brightness(0) invert(1);}
.brand__word{
  font-family:var(--f-display);
  font-size:1.15rem;
  color:var(--white);
  letter-spacing:.01em;
}
.brand__word small{
  display:block;
  font-family:var(--f-mono);
  font-size:.58rem;
  letter-spacing:.22em;
  color:var(--text-on-navy-dim);
  text-transform:uppercase;
  margin-top:1px;
}

.nav{
  display:flex;
  align-items:center;
  gap:clamp(1rem,2vw,1.9rem);
}
.nav a{
  font-size:.86rem;
  color:var(--text-on-navy-dim);
  transition:color .2s ease;
  white-space:nowrap;
}
.nav a:hover{color:var(--white);}

.btn{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  font-family:var(--f-mono);
  font-size:.74rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  padding:.85em 1.4em;
  border:1px solid currentColor;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn--brass{
  background:var(--brass);
  border-color:var(--brass);
  color:var(--navy);
}
.btn--brass:hover{background:var(--brass-light);border-color:var(--brass-light);}
.btn--ghost-light{
  color:var(--white);
  border-color:rgba(255,255,255,.35);
}
.btn--ghost-light:hover{border-color:var(--white);}
.btn--ghost-dark{
  color:var(--ink);
  border-color:var(--ink);
}
.btn--ghost-dark:hover{background:var(--ink);color:var(--paper);}

.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--line-dark);
  color:var(--white);
  padding:.5rem .65rem;
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;
  background:
    radial-gradient(1100px 620px at 82% -10%, rgba(94,126,168,.28), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color:var(--text-on-navy);
  padding-top:clamp(8rem,16vw,11rem);
  padding-bottom:clamp(4rem,8vw,6rem);
  overflow:hidden;
}
.hero__grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.65), transparent 78%);
  opacity:.55;
}
.hero__inner{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:clamp(2rem,5vw,4rem);
  align-items:end;
}
.hero__copy{max-width:38rem;}
.hero__title{
  font-family:var(--f-display);
  font-weight:540;
  font-size:clamp(2.35rem,5.4vw,4rem);
  line-height:1.06;
  letter-spacing:-0.015em;
  color:var(--white);
}
.hero__title em{font-style:italic;font-weight:440;color:var(--brass-light);}
.hero__lede{
  margin-top:1.5rem;
  font-size:1.08rem;
  color:var(--text-on-navy-dim);
  max-width:34rem;
}
.hero__cta{
  display:flex;
  flex-wrap:wrap;
  gap:1rem;
  margin-top:2.25rem;
}
.hero__diagram{
  position:relative;
  align-self:stretch;
  min-height:280px;
}
.hero__diagram svg{width:100%;height:100%;}

.hero__stats{
  position:relative;
  margin-top:clamp(3rem,6vw,4.5rem);
  padding-top:clamp(1.75rem,3vw,2.25rem);
  border-top:1px solid var(--line-dark);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1.5rem;
}
.stat__value{
  font-family:var(--f-mono);
  font-size:clamp(1.5rem,2.4vw,2rem);
  color:var(--brass-light);
}
.stat__label{
  margin-top:.35rem;
  font-size:.8rem;
  color:var(--text-on-navy-dim);
  max-width:14ch;
}

/* draw-on skyline animation */
.skyline path{
  stroke-dasharray:1400;
  stroke-dashoffset:1400;
  animation:draw 2.6s ease forwards;
}
.skyline .g2{animation-delay:.25s;}
.skyline .g3{animation-delay:.5s;}
@keyframes draw{to{stroke-dashoffset:0;}}

/* =========================================================
   Who we are / lede blocks
   ========================================================= */
.lede-block{
  display:grid;
  grid-template-columns:.55fr 1fr;
  gap:clamp(2rem,5vw,5rem);
}
.lede-block__mark{
  font-family:var(--f-display);
  font-style:italic;
  font-size:clamp(3rem,6vw,4.5rem);
  color:var(--paper-dim);
  line-height:1;
}
.lede-block p{
  font-family:var(--f-display);
  font-weight:420;
  font-size:clamp(1.15rem,1.9vw,1.45rem);
  line-height:1.5;
  color:var(--ink);
}
.lede-block p + p{margin-top:1.1rem;}
.lede-block strong{font-weight:600;color:var(--navy);}

/* =========================================================
   What we do — 2x2
   ========================================================= */
.approach-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  border:1px solid var(--line);
}
.approach-item{
  padding:clamp(1.75rem,3vw,2.5rem);
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.approach-item:nth-child(2n){border-right:none;}
.approach-item:nth-child(n+3){border-bottom:none;}
.approach-item__tag{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--brass);
}
.approach-item__title{
  margin-top:.6rem;
  font-family:var(--f-display);
  font-size:1.35rem;
  font-weight:560;
}
.approach-item__text{
  margin-top:.65rem;
  color:var(--text-muted);
  font-size:.98rem;
}

/* =========================================================
   Pillars grid (6)
   ========================================================= */
.pillars-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.pillar-card{
  background:var(--paper);
  padding:clamp(1.75rem,2.4vw,2.25rem);
  position:relative;
  transition:background .25s ease;
}
.pillar-card:hover{background:var(--white);}
.pillar-card::before{
  content:'';
  position:absolute;
  top:14px;left:14px;
  width:9px;height:9px;
  border-left:1px solid var(--steel-soft);
  border-top:1px solid var(--steel-soft);
  opacity:0;
  transition:opacity .2s ease;
}
.pillar-card:hover::before{opacity:1;}
.pillar-card__num{
  font-family:var(--f-mono);
  font-size:.72rem;
  color:var(--steel);
  letter-spacing:.08em;
}
.pillar-card__title{
  margin-top:.85rem;
  font-family:var(--f-display);
  font-size:1.2rem;
  font-weight:560;
  line-height:1.25;
}
.pillar-card__text{
  margin-top:.65rem;
  font-size:.94rem;
  color:var(--text-muted);
}

/* =========================================================
   Process (numbered — genuine sequence)
   ========================================================= */
.process{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(1.25rem,3vw,2rem);
  position:relative;
}
.process::before{
  content:'';
  position:absolute;
  top:.55rem;
  left:0;right:0;
  height:1px;
  background:var(--line-dark);
  display:none;
}
@media (min-width:860px){.process::before{display:block;}}
.process-step{position:relative;}
.process-step__num{
  font-family:var(--f-mono);
  font-size:.95rem;
  color:var(--brass-light);
  background:var(--navy);
  position:relative;
  z-index:1;
  padding-right:.75rem;
}
.process-step__title{
  margin-top:1rem;
  font-family:var(--f-display);
  font-size:1.15rem;
  font-weight:560;
  color:var(--white);
}
.process-step__text{
  margin-top:.5rem;
  font-size:.92rem;
  color:var(--text-on-navy-dim);
}

/* =========================================================
   Sectors
   ========================================================= */
.sectors{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.sector-card{
  background:var(--paper);
  padding:1.5rem 1.6rem;
  display:flex;
  flex-direction:column;
  gap:.35rem;
  min-height:108px;
  justify-content:center;
}
.sector-card__title{
  font-family:var(--f-display);
  font-weight:560;
  font-size:1.05rem;
}
.sector-card__sub{
  font-size:.85rem;
  color:var(--text-muted);
}

/* =========================================================
   Geography / offices
   ========================================================= */
.offices{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.office-card{
  border:1px solid var(--line-dark);
  padding:1.75rem;
  position:relative;
}
.office-card__region{
  font-family:var(--f-mono);
  font-size:.7rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--brass-light);
}
.office-card__country{
  margin-top:.6rem;
  font-family:var(--f-display);
  font-size:1.3rem;
  font-weight:560;
  color:var(--white);
}
.office-card__phone{
  margin-top:.9rem;
  font-family:var(--f-mono);
  font-size:.92rem;
  color:var(--text-on-navy-dim);
}
.office-card__phone a{border-bottom:1px solid transparent;}
.office-card__phone a:hover{color:var(--white);border-color:var(--white);}

.regions-line{
  margin-top:2.5rem;
  display:flex;
  flex-wrap:wrap;
  gap:.75rem 2rem;
  font-family:var(--f-mono);
  font-size:.78rem;
  letter-spacing:.05em;
  color:var(--text-on-navy-dim);
}
.regions-line b{color:var(--white);font-weight:500;}

/* =========================================================
   Leadership
   ========================================================= */
.leader{
  display:grid;
  grid-template-columns:.62fr 1fr;
  gap:clamp(2rem,5vw,4rem);
  align-items:start;
}
.leader__photo-wrap{
  position:relative;
}
.leader__photo{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  filter:grayscale(.15) contrast(1.03);
}
.leader__photo-frame{
  position:absolute;
  inset:14px;
  border:1px solid var(--brass);
  pointer-events:none;
}
.leader__name{
  font-family:var(--f-display);
  font-size:clamp(1.5rem,2.6vw,2rem);
  font-weight:560;
}
.leader__role{
  margin-top:.35rem;
  font-family:var(--f-mono);
  font-size:.82rem;
  letter-spacing:.06em;
  color:var(--brass);
  text-transform:uppercase;
}
.leader__bio{
  margin-top:1.35rem;
  color:var(--text-muted);
  max-width:42rem;
}
.leader__bio p + p{margin-top:.9rem;}

.leader__stats{
  margin-top:2rem;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1.25rem;
  padding-top:1.5rem;
  border-top:1px solid var(--line);
}
.leader__stats .stat__value{color:var(--navy);}
.leader__stats .stat__label{color:var(--text-muted);}

.leader__engagements{
  margin-top:2.25rem;
}
.leader__engagements h4{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--text-muted);
  margin-bottom:.9rem;
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:.55rem;
}
.tag{
  font-size:.82rem;
  padding:.4em .85em;
  border:1px solid var(--line);
  color:var(--ink);
  background:var(--white);
}

.credentials{
  margin-top:2.25rem;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1rem 2rem;
}
.credential dt{
  font-family:var(--f-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--brass);
}
.credential dd{
  margin:.35rem 0 0;
  font-size:.9rem;
  color:var(--ink);
}

/* =========================================================
   Clients wall
   ========================================================= */
.clients-wall{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-left:1px solid var(--line);
}
.clients-wall span{
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:1.3rem 1.2rem;
  font-family:var(--f-display);
  font-size:1rem;
  color:var(--text-muted);
  display:flex;
  align-items:center;
  min-height:76px;
  transition:color .2s ease;
}
.clients-wall span:hover{color:var(--navy);}

/* =========================================================
   Why us
   ========================================================= */
.why-list{
  display:grid;
  gap:0;
}
.why-item{
  display:grid;
  grid-template-columns:2.5rem 1fr;
  gap:1.25rem;
  padding-block:1.5rem;
  border-top:1px solid var(--line-dark);
}
.why-item:last-child{border-bottom:1px solid var(--line-dark);}
.why-item__mark{
  font-family:var(--f-mono);
  color:var(--brass-light);
  font-size:.85rem;
  padding-top:.2rem;
}
.why-item__title{
  font-family:var(--f-display);
  font-size:1.1rem;
  font-weight:560;
  color:var(--white);
}
.why-item__text{
  margin-top:.35rem;
  font-size:.92rem;
  color:var(--text-on-navy-dim);
  max-width:38rem;
}

/* =========================================================
   Contact
   ========================================================= */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(2rem,5vw,4rem);
}
.contact-details dl{
  margin-top:1.75rem;
  display:grid;
  gap:1.35rem;
}
.contact-details dt{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--brass);
}
.contact-details dd{
  margin:.4rem 0 0;
  font-size:1.05rem;
  font-family:var(--f-display);
}
.contact-details dd a:hover{color:var(--steel);}

.form{
  display:grid;
  gap:1.1rem;
}
.field{
  display:grid;
  gap:.4rem;
}
.field label{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--text-muted);
}
.field input,
.field textarea,
.field select{
  font:inherit;
  font-family:var(--f-body);
  padding:.8em .9em;
  border:1px solid var(--line);
  background:var(--white);
  color:var(--ink);
}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,
.field textarea:focus,
.field select:focus{border-color:var(--brass);}
.form__row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1.1rem;
}
.form__note{
  font-size:.82rem;
  color:var(--text-muted);
  margin-top:-.3rem;
}
.form__status{
  font-size:.85rem;
  color:var(--steel);
  min-height:1.2em;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  background:var(--navy);
  color:var(--text-on-navy-dim);
}
.footer-top{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1fr;
  gap:2rem;
  padding-block:clamp(3rem,6vw,4.5rem);
}
.footer-brand img{height:32px;filter:brightness(0) invert(1);margin-bottom:1rem;}
.footer-brand p{max-width:26rem;font-size:.92rem;}
.footer-col h5{
  font-family:var(--f-mono);
  font-size:.7rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--white);
  margin-bottom:1rem;
}
.footer-col ul{display:grid;gap:.65rem;font-size:.88rem;}
.footer-col a:hover{color:var(--white);}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding-block:1.5rem;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:1rem;
  font-family:var(--f-mono);
  font-size:.74rem;
  color:var(--text-on-navy-dim);
}

/* =========================================================
   Reveal-on-scroll
   ========================================================= */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .site-header__inner .btn--brass{display:none;}
  .brand__word{font-size:1rem;}
  .hero__inner{grid-template-columns:1fr;}
  .hero__diagram{min-height:220px;order:-1;}
  .hero__stats{grid-template-columns:repeat(2,1fr);}
  .lede-block{grid-template-columns:1fr;}
  .approach-grid{grid-template-columns:1fr;}
  .approach-item:nth-child(2n){border-right:1px solid var(--line);}
  .approach-item:nth-child(3){border-bottom:1px solid var(--line);}
  .pillars-grid{grid-template-columns:repeat(2,1fr);}
  .process{grid-template-columns:repeat(2,1fr);row-gap:2.5rem;}
  .process::before{display:none;}
  .sectors{grid-template-columns:repeat(2,1fr);}
  .offices{grid-template-columns:1fr;}
  .leader{grid-template-columns:1fr;}
  .leader__photo-wrap{max-width:320px;}
  .credentials{grid-template-columns:1fr;}
  .clients-wall{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:600px){
  .hero__stats{grid-template-columns:1fr 1fr;}
  .pillars-grid{grid-template-columns:1fr;}
  .process{grid-template-columns:1fr;}
  .sectors{grid-template-columns:1fr;}
  .clients-wall{grid-template-columns:1fr 1fr;}
  .form__row{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .leader__stats{grid-template-columns:1fr 1fr;}
}