/* ============================================================
   ADDAM INNOVATIONS — DESIGN SYSTEM
   Palette: ivory / warm white / charcoal / black / bronze
   Display: Fraunces · Body: Inter · Utility/Data: IBM Plex Mono
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,340;9..144,420;9..144,480;9..144,560&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ivory:#F1ECE1;
  --warm-white:#F9F6EF;
  --paper:#EAE3D3;
  --charcoal:#26231C;
  --black:#15130E;
  --grey:#7C7566;
  --grey-light:#A7A092;
  --bronze:#A3703E;
  --bronze-deep:#7C5330;
  --bronze-light:#C99968;
  --line:rgba(21,19,14,0.13);
  --line-strong:rgba(21,19,14,0.24);

  --display:'Fraunces', serif;
  --body:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:'IBM Plex Mono', monospace;

  --container:1240px;
  --gutter:clamp(24px, 5vw, 72px);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ivory);
  color:var(--charcoal);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
::selection{background:var(--bronze); color:var(--warm-white);}

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

.wrap{
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.section{padding:clamp(64px,9vw,128px) 0;}
.section-tight{padding:clamp(40px,6vw,80px) 0;}
.hairline{border-top:1px solid var(--line);}

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:480;
  letter-spacing:-0.01em;
  margin:0;
  color:var(--black);
}
.display-1{font-size:clamp(2.6rem, 5.6vw, 5rem); line-height:1.03; font-weight:420;}
.display-2{font-size:clamp(2rem, 3.6vw, 3.2rem); line-height:1.08; font-weight:420;}
.display-3{font-size:clamp(1.5rem, 2.4vw, 2.05rem); line-height:1.18; font-weight:480;}

.eyebrow{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--bronze-deep);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:'';
  width:22px;height:1px;
  background:var(--bronze);
  display:inline-block;
}

.lede{
  font-size:clamp(1.05rem,1.4vw,1.3rem);
  line-height:1.55;
  color:var(--charcoal);
  max-width:640px;
  font-weight:400;
}
.body-copy{font-size:1rem; color:var(--charcoal); max-width:620px;}
.body-copy p + p{margin-top:1em;}
.muted{color:var(--grey);}
.small-caps{
  font-family:var(--mono);
  font-size:0.7rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--grey);
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:0.76rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:14px 26px;
  border-radius:2px;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--black);
  color:var(--warm-white);
  border:1px solid var(--black);
}
.btn-primary:hover{background:var(--bronze-deep); border-color:var(--bronze-deep);}
.btn-outline{
  background:transparent;
  color:var(--black);
  border:1px solid var(--line-strong);
}
.btn-outline:hover{border-color:var(--bronze); color:var(--bronze-deep);}
.btn-ghost{
  color:var(--charcoal);
  border-bottom:1px solid var(--line-strong);
  padding:2px 0;
  font-family:var(--mono);
  font-size:0.76rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  gap:8px;
  display:inline-flex;
  align-items:center;
}
.btn-ghost:hover{border-color:var(--bronze); color:var(--bronze-deep);}
.btn-ghost svg{width:12px;height:12px;transition:transform .2s ease;}
.btn-ghost:hover svg{transform:translateX(3px);}

.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--ivory);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:20px var(--gutter);
  max-width:var(--container);
  margin:0 auto;
}
.brand{display:flex; align-items:center; gap:12px;}
.brand-mark{width:30px;height:30px;flex:0 0 auto;}
.brand-word{
  font-family:var(--display);
  font-size:1.02rem;
  font-weight:480;
  letter-spacing:0.01em;
  line-height:1.05;
  color:var(--black);
}
.brand-sub{
  display:block;
  font-family:var(--mono);
  font-size:0.58rem;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--grey);
  margin-top:2px;
}
.nav-links{
  display:flex; align-items:center; gap:38px;
  list-style:none; margin:0; padding:0;
}
.nav-links a{
  font-family:var(--mono);
  font-size:0.76rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--charcoal);
  position:relative;
  padding-bottom:4px;
}
.nav-links a::after{
  content:'';
  position:absolute; left:0; right:0; bottom:0;
  height:1px; background:var(--bronze);
  transform:scaleX(0); transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a:hover::after, .nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--bronze-deep);}
.nav-cta{display:flex; align-items:center; gap:28px;}
.nav-toggle{display:none; background:none; border:none; padding:8px;}
.nav-toggle span{display:block; width:22px; height:1px; background:var(--black); margin:5px 0; transition:all .25s ease;}

@media (max-width: 900px){
  .nav-links{
    position:fixed; inset:0 0 0 auto; width:78%; max-width:320px;
    background:var(--warm-white);
    z-index:200;
    flex-direction:column; align-items:flex-start;
    padding:100px 32px 40px;
    gap:26px;
    transform:translateX(100%);
    transition:transform .35s ease;
    box-shadow:-20px 0 40px rgba(0,0,0,0.08);
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:0.95rem;}
  .nav-toggle{display:block;}
  .nav-cta .btn-primary{display:none;}
}

.site-footer{
  background:var(--black);
  color:var(--warm-white);
  padding:clamp(56px,7vw,88px) 0 32px;
}
.footer-top{
  display:flex; justify-content:space-between; align-items:flex-start;
  flex-wrap:wrap; gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(249,246,239,0.14);
}
.footer-brand .brand-word{color:var(--warm-white);}
.footer-brand .brand-sub{color:var(--grey-light);}
.footer-tagline{
  font-family:var(--display);
  font-size:1.3rem;
  font-weight:420;
  max-width:360px;
  color:var(--warm-white);
  margin-top:16px;
}
.footer-cols{display:flex; gap:64px; flex-wrap:wrap;}
.footer-col h4{
  font-family:var(--mono);
  font-size:0.68rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--grey-light);
  margin-bottom:16px;
  font-weight:400;
}
.footer-col ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:11px;}
.footer-col a{font-size:0.9rem; color:rgba(249,246,239,0.85);}
.footer-col a:hover{color:var(--bronze-light);}
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:16px;
  padding-top:28px;
  font-family:var(--mono); font-size:0.7rem; letter-spacing:0.04em;
  color:var(--grey-light);
}

.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:var(--gutter);}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line);}
@media (max-width:900px){
  .grid-2{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
}

.page-hero{
  padding:clamp(56px,8vw,108px) 0 clamp(40px,6vw,64px);
}
.page-hero .display-1{max-width:16ch;}
.page-hero .lede{margin-top:22px;}
.hero-actions{display:flex; gap:16px; margin-top:38px; flex-wrap:wrap;}

.home-hero{padding-top:clamp(48px,7vw,88px);}
.home-hero-grid{
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;
}
@media (max-width:1000px){.home-hero-grid{grid-template-columns:1fr;}}
.home-hero .display-1{max-width:13ch;}
.home-hero-visual{position:relative;}

.triad{
  display:grid; grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line-strong);
  border-bottom:1px solid var(--line-strong);
}
.triad-item{
  padding:44px clamp(20px,3vw,40px);
  border-right:1px solid var(--line);
  position:relative;
}
.triad-item:last-child{border-right:none;}
.triad-index{font-family:var(--mono); font-size:0.72rem; color:var(--grey); letter-spacing:0.1em;}
.triad-name{font-family:var(--display); font-size:1.7rem; margin-top:14px; color:var(--black); font-weight:480;}
.triad-desc{margin-top:12px; color:var(--grey); font-size:0.94rem; max-width:26ch;}
.triad-foot{
  margin-top:26px; padding-top:20px; border-top:1px solid var(--line);
  font-family:var(--mono); font-size:0.68rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--bronze-deep);
}
@media (max-width:900px){
  .triad{grid-template-columns:1fr;}
  .triad-item{border-right:none; border-bottom:1px solid var(--line);}
}

.cap-card{background:var(--warm-white); border:1px solid var(--line); overflow:hidden;}
.cap-card-tag{
  display:flex; justify-content:space-between; align-items:center;
  padding:16px 22px; border-bottom:1px solid var(--line);
  font-family:var(--mono); font-size:0.64rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--grey);
}
.cap-card-visual{padding:22px; background:var(--paper);}
.cap-card-body{padding:24px 22px 28px;}
.cap-card-title{font-family:var(--display); font-size:1.2rem; font-weight:480; color:var(--black);}
.cap-card-body p{margin-top:10px; font-size:0.9rem; color:var(--grey); line-height:1.55;}

.stages{display:flex; flex-direction:column;}
.stage-row{
  display:grid; grid-template-columns:120px 1fr 1.3fr; gap:32px;
  padding:36px 0; border-top:1px solid var(--line);
  align-items:start;
}
.stage-row:last-child{border-bottom:1px solid var(--line);}
.stage-num{font-family:var(--mono); font-size:0.8rem; color:var(--bronze); letter-spacing:0.05em;}
.stage-name{font-family:var(--display); font-size:1.5rem; font-weight:480;}
.stage-desc{color:var(--grey); font-size:0.95rem; max-width:46ch;}
@media (max-width:760px){
  .stage-row{grid-template-columns:1fr; gap:10px;}
}

.flow-strip{
  display:flex; align-items:center; flex-wrap:wrap; gap:0;
  font-family:var(--mono); font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase;
}
.flow-strip span.node{color:var(--black); padding:10px 0;}
.flow-strip span.arrow{color:var(--bronze); margin:0 14px;}

.outcomes-list{list-style:none; margin:0; padding:0; display:grid; grid-template-columns:1fr 1fr; gap:0;}
.outcomes-list li{
  padding:18px 0; border-top:1px solid var(--line);
  font-family:var(--body); font-size:1rem; color:var(--charcoal);
  display:flex; align-items:baseline; gap:12px;
}
.outcomes-list li::before{content:'—'; color:var(--bronze);}
@media (max-width:700px){.outcomes-list{grid-template-columns:1fr;}}

.cta-band{
  background:var(--black); color:var(--warm-white);
  padding:clamp(64px,9vw,112px) 0;
  text-align:center;
}
.cta-band .display-2{color:var(--warm-white); max-width:20ch; margin:0 auto;}
.cta-band .lede{color:var(--grey-light); margin:22px auto 0; text-align:center;}
.cta-band .hero-actions{justify-content:center;}

.industry-row{
  display:grid; grid-template-columns:0.9fr 1.4fr; gap:48px;
  padding:52px 0; border-top:1px solid var(--line); align-items:start;
}
.industry-row:last-child{border-bottom:1px solid var(--line);}
.industry-label{font-family:var(--mono); font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--grey);}
@media (max-width:860px){.industry-row{grid-template-columns:1fr; gap:18px;}}

.principles{display:flex; flex-direction:column;}
.principle{
  padding:30px 0; border-top:1px solid var(--line);
  font-family:var(--display); font-size:clamp(1.3rem,2.4vw,1.9rem); font-weight:480; color:var(--black);
  max-width:22ch;
}
.principle:last-child{border-bottom:1px solid var(--line);}

.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:72px;}
@media (max-width:960px){.contact-grid{grid-template-columns:1fr; gap:40px;}}
.field{margin-bottom:26px;}
.field label{
  display:block; font-family:var(--mono); font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--grey); margin-bottom:10px;
}
.field input, .field select, .field textarea{
  width:100%; background:transparent; border:none; border-bottom:1px solid var(--line-strong);
  padding:12px 2px; font-family:var(--body); font-size:1rem; color:var(--charcoal);
  border-radius:0; appearance:none;
}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237C7566' fill='none' stroke-width='1.4'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 4px center; padding-right:20px;}
.field textarea{resize:vertical; min-height:120px; line-height:1.6;}
.field input:focus, .field select:focus, .field textarea:focus{outline:none; border-color:var(--bronze);}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:24px;}
@media (max-width:520px){.field-row{grid-template-columns:1fr;}}
.side-note{
  background:var(--warm-white); border:1px solid var(--line); padding:32px;
}
.side-note h4{font-family:var(--display); font-size:1.15rem; font-weight:480; color:var(--black);}
.side-note p{margin-top:10px; color:var(--grey); font-size:0.92rem;}

.diagram-frame{
  border:1px solid var(--line);
  background:var(--warm-white);
}
.diagram-caption{
  display:flex; justify-content:space-between;
  padding:12px 18px; border-top:1px solid var(--line);
  font-family:var(--mono); font-size:0.62rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--grey);
}

.two-col{display:grid; grid-template-columns:0.85fr 1.15fr; gap:var(--gutter); align-items:start;}
@media (max-width:900px){.two-col{grid-template-columns:1fr;}}
.tag-pill{
  font-family:var(--mono); font-size:0.68rem; letter-spacing:0.08em; text-transform:uppercase;
  border:1px solid var(--line-strong); padding:6px 12px; color:var(--charcoal); display:inline-block;
}
html.js .reveal{opacity:0; transform:translateY(14px); transition:opacity .7s ease, transform .7s ease;}
html.js .reveal.in{opacity:1; transform:translateY(0);}