:root{
  --paper:#EFEFEA;
  --paper-alt:#E6E5DD;
  --ink:#14181B;
  --ink-70:rgba(20,24,27,0.7);
  --ink-45:rgba(20,24,27,0.45);
  --line:rgba(20,24,27,0.12);
  --amber:#D98E3D;
  --teal:#1F6F63;
  --white:#FBFAF7;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,.display{
  font-family:'Instrument Serif',serif;
  font-weight:400;
  letter-spacing:-0.01em;
}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.wrap{max-width:1180px; margin:0 auto; padding:0 32px;}
.mono{font-family:'IBM Plex Mono',monospace;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}
:focus-visible{outline:2px solid var(--amber); outline-offset:3px;}

/* ===== HEADER ===== */
header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(239,239,234,0.88); backdrop-filter:blur(10px);
  border-bottom:1px solid transparent; transition:border-color .3s ease;
}
header.scrolled{border-bottom-color:var(--line);}
nav.wrap{display:flex; align-items:center; justify-content:space-between; padding:20px 32px;}
.logo{font-family:'Instrument Serif',serif; font-size:22px;}
.logo span{color:var(--amber);}
.nav-links{display:flex; align-items:center; gap:34px;}
.nav-links a{font-size:13.5px; font-family:'IBM Plex Mono',monospace; letter-spacing:.01em; color:var(--ink-70); transition:color .2s ease;}
.nav-links a:hover{color:var(--ink);}
.nav-cta{
  background:var(--ink); color:var(--paper) !important; padding:9px 18px; border-radius:2px;
}
.nav-cta:hover{background:#000 !important;}
.nav-toggle{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px;}
.nav-toggle span{width:22px; height:1.5px; background:var(--ink);}
.mobile-menu{display:none; flex-direction:column; padding:0 32px 20px; gap:16px;}
.mobile-menu a{font-family:'IBM Plex Mono',monospace; font-size:14px;}
.mobile-menu.open{display:flex;}
@media (max-width:820px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
}

/* ===== HERO ===== */
.hero{padding:170px 0 90px;}
.hero-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:50px; align-items:center;}
.eyebrow{
  font-family:'IBM Plex Mono',monospace; font-size:12.5px; color:var(--teal);
  letter-spacing:.05em; text-transform:uppercase; margin-bottom:22px;
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{content:""; width:8px; height:8px; border-radius:50%; background:var(--amber);}
.hero h1{font-size:clamp(36px,4.6vw,58px); line-height:1.08; margin-bottom:24px;}
.hero h1 em{font-style:italic; color:var(--teal); font-weight:400;}
.hero-sub{font-size:16.5px; color:var(--ink-70); line-height:1.65; max-width:480px; margin-bottom:34px;}
.hero-actions{display:flex; gap:14px; margin-bottom:30px; flex-wrap:wrap;}
.btn-primary{
  background:var(--ink); color:var(--paper); padding:15px 28px; font-size:13.5px; font-family:'IBM Plex Mono',monospace;
  border-radius:2px; border:none; cursor:pointer; transition:background .25s ease, transform .25s ease; display:inline-block;
}
.btn-primary:hover{background:var(--teal); transform:translateY(-1px);}
.btn-ghost{
  border:1px solid var(--ink); color:var(--ink); padding:14px 26px; font-size:13.5px; font-family:'IBM Plex Mono',monospace; border-radius:2px;
  transition:background .25s ease;
}
.btn-ghost:hover{background:var(--ink); color:var(--paper);}
.btn-block{width:100%; text-align:center;}
.trust-row{
  display:flex; gap:10px; flex-wrap:wrap; font-size:12px; color:var(--ink-45); font-family:'IBM Plex Mono',monospace;
}

.hero-diagram{width:100%; max-width:380px; margin:0 auto;}
.node-box{fill:var(--white); stroke:var(--line); stroke-width:1;}
.node-box-alt{fill:var(--paper-alt);}
.node-line{stroke:var(--line); stroke-width:1;}
.node-label{font-family:'IBM Plex Mono',monospace; font-size:9.5px; fill:var(--ink); text-anchor:middle; letter-spacing:.05em;}
.node-sub{font-family:'IBM Plex Mono',monospace; font-size:8.5px; fill:var(--ink-45); text-anchor:middle;}
.pulse-dot{fill:var(--amber);}
@media (max-width:900px){
  .hero{padding:130px 0 60px;}
  .hero-grid{grid-template-columns:1fr; gap:40px;}
  .hero-diagram{max-width:280px;}
}

/* ===== STRIP ===== */
.strip{padding:26px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.strip-inner{display:flex; align-items:center; gap:28px; flex-wrap:wrap;}
.strip-label{font-family:'IBM Plex Mono',monospace; font-size:11.5px; color:var(--ink-45); text-transform:uppercase; letter-spacing:.06em;}
.tool-marks{display:flex; gap:26px; flex-wrap:wrap;}
.tool-marks span{font-family:'IBM Plex Mono',monospace; font-size:13px; color:var(--ink-70);}

/* ===== SECTIONS ===== */
.section{padding:110px 0;}
.section-alt{background:var(--paper-alt);}
.section-head{margin-bottom:56px; max-width:640px;}
.section-tag{
  font-family:'IBM Plex Mono',monospace; color:var(--teal); font-size:12.5px; letter-spacing:.05em;
  text-transform:uppercase; display:block; margin-bottom:16px;
}
.section-head h2{font-size:clamp(28px,3.4vw,42px); line-height:1.12;}

/* SERVICES */
.services-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line);}
.service-card{background:var(--paper); padding:38px 32px;}
.service-num{font-family:'IBM Plex Mono',monospace; color:var(--amber); font-size:13px; margin-bottom:22px;}
.service-card h3{font-size:23px; margin-bottom:14px;}
.service-card > p{font-size:14.5px; color:var(--ink-70); line-height:1.65; margin-bottom:20px;}
.service-list{list-style:none;}
.service-list li{
  font-family:'IBM Plex Mono',monospace; font-size:12.5px; color:var(--ink-45);
  padding:8px 0; border-top:1px solid var(--line);
}
@media (max-width:820px){ .services-grid{grid-template-columns:1fr;} }

/* WORK */
.work-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line);}
.work-card{background:var(--paper); display:block; transition:transform .25s ease;}
.work-card-static{cursor:default;}
a.work-card:hover{transform:translateY(-3px);}
.work-thumb{aspect-ratio:4/3;}
.work-thumb-a{background:linear-gradient(135deg,#2b3648,#B08D57 70%,#A85C42);}
.work-thumb-b{background:linear-gradient(135deg,#1F6F63,#14181B 70%);}
.work-thumb-c{background:linear-gradient(135deg,#D98E3D,#14181B 75%);}
.work-body{padding:26px 24px 30px;}
.work-tag{font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--teal); text-transform:uppercase; letter-spacing:.05em;}
.work-body h3{font-size:22px; margin:12px 0 10px;}
.work-body p{font-size:13.5px; color:var(--ink-70); line-height:1.6; margin-bottom:16px;}
.work-link{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink);}
.work-note{margin-top:28px; font-size:13px; color:var(--ink-45); font-family:'IBM Plex Mono',monospace;}
@media (max-width:900px){ .work-grid{grid-template-columns:1fr;} }

/* TESTIMONIALS */
.testimonials-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line);}
.testimonial-card{
  background:var(--paper-alt); padding:36px 30px; display:flex; flex-direction:column; gap:18px;
  color:inherit; text-decoration:none; transition:transform .25s ease;
}
.testimonial-card:hover{transform:translateY(-3px);}
.testimonial-quote{font-size:14.5px; color:var(--ink); line-height:1.65; flex-grow:1;}
.testimonial-result{
  font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--teal);
  padding-top:16px; border-top:1px solid var(--line);
}
.testimonial-author{display:flex; flex-direction:column; gap:3px;}
.testimonial-name{font-size:14px; font-weight:600;}
.testimonial-role{font-family:'IBM Plex Mono',monospace; font-size:11.5px; color:var(--ink-45);}
.testimonial-link{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink);}
@media (max-width:900px){ .testimonials-grid{grid-template-columns:1fr;} }

/* CASE STUDY PAGES */
.case-hero{padding:170px 0 50px;}
.case-back{font-family:'IBM Plex Mono',monospace; font-size:12.5px; color:var(--ink-45); display:inline-block; margin-bottom:26px;}
.case-back:hover{color:var(--ink);}
.case-hero h1{font-size:clamp(32px,4.2vw,50px); margin:14px 0 8px;}
.case-sub{font-family:'IBM Plex Mono',monospace; font-size:13.5px; color:var(--teal); margin-bottom:28px;}
.case-disclaimer{
  font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-45);
  background:var(--paper-alt); border:1px solid var(--line); border-radius:2px;
  padding:12px 16px; margin-bottom:32px; display:inline-block;
}
.case-hero-thumb{aspect-ratio:16/5; border-radius:2px;}
.work-thumb-d{background:linear-gradient(135deg,#5C4A72,#D98E3D 70%);}
.work-thumb-e{background:linear-gradient(135deg,#1F6F63,#B08D57 75%);}

.case-body{display:grid; grid-template-columns:1fr 300px; gap:64px; align-items:start;}
.case-main h2{font-size:21px; margin:36px 0 12px;}
.case-main h2:first-child{margin-top:0;}
.case-main p{font-size:15px; color:var(--ink-70); line-height:1.75; margin-bottom:14px;}
.case-main ul{margin:0 0 14px 20px; color:var(--ink-70); font-size:15px; line-height:1.85;}
.case-pullquote{
  border-left:2px solid var(--amber); padding-left:22px; margin:36px 0;
  font-family:'Instrument Serif',serif; font-size:22px; line-height:1.4; font-style:italic;
}
.case-pullquote cite{display:block; font-family:'IBM Plex Mono',monospace; font-style:normal; font-size:12.5px; color:var(--ink-45); margin-top:14px;}

.case-stats{position:sticky; top:110px; display:flex; flex-direction:column; gap:20px; background:var(--paper-alt); padding:26px 22px; border-radius:2px;}
.case-stat{border-top:1px solid var(--line); padding-top:16px;}
.case-stat:first-child{border-top:none; padding-top:0;}
.case-stat-num{display:block; font-family:'Instrument Serif',serif; font-size:27px; color:var(--teal); margin-bottom:4px;}
.case-stat-label{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-45); line-height:1.5;}
.case-stats .btn-primary{margin-top:4px; text-align:center;}
@media (max-width:900px){ .case-body{grid-template-columns:1fr;} .case-stats{position:static;} }

/* PROCESS */
.process-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:36px;}
.process-line{font-family:'IBM Plex Mono',monospace; color:var(--amber); font-size:13px; margin-bottom:18px; padding-bottom:18px; border-bottom:1px solid var(--line);}
.process-step h3{font-size:19px; margin-bottom:10px;}
.process-step p{font-size:13.5px; color:var(--ink-70); line-height:1.6;}
@media (max-width:820px){ .process-grid{grid-template-columns:1fr 1fr; gap:32px;} }
@media (max-width:560px){ .process-grid{grid-template-columns:1fr;} }

/* BOOKING */
.section-book{background:var(--ink); color:var(--paper);}
.book-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:64px;}
.section-book .section-tag{color:var(--amber);}
.section-book h2{color:var(--paper); margin-bottom:20px;}
.book-copy > p{font-size:15px; color:rgba(251,250,247,0.65); line-height:1.7; margin-bottom:34px; max-width:400px;}
.book-contact{display:flex; flex-direction:column; gap:14px;}
.book-contact div{font-size:13.5px; font-family:'IBM Plex Mono',monospace; color:rgba(251,250,247,0.5);}
.book-contact span{display:block; font-size:11px; text-transform:uppercase; letter-spacing:.05em; margin-bottom:4px; color:rgba(251,250,247,0.35);}
.book-contact a{color:var(--paper);}

.book-form{display:flex; flex-direction:column; gap:18px;}
.form-row{display:flex; flex-direction:column; gap:8px;}
.form-row label{font-family:'IBM Plex Mono',monospace; font-size:12px; color:rgba(251,250,247,0.6); text-transform:uppercase; letter-spacing:.04em;}
.form-row input, .form-row select, .form-row textarea{
  background:rgba(251,250,247,0.06); border:1px solid rgba(251,250,247,0.18); color:var(--paper);
  padding:13px 14px; font-family:'Inter',sans-serif; font-size:14.5px; border-radius:2px; resize:vertical;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  outline:none; border-color:var(--amber); background:rgba(251,250,247,0.09);
}
.form-row select{appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23D98E3D'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center;}
.section-book .btn-primary{background:var(--amber); color:var(--ink); margin-top:6px;}
.section-book .btn-primary:hover{background:#c17d30;}
.form-note{font-size:12px; color:rgba(251,250,247,0.4); text-align:center;}
@media (max-width:820px){ .book-grid{grid-template-columns:1fr; gap:40px;} }

/* FOOTER */
footer{background:var(--ink); color:var(--paper); padding:56px 0 26px;}
.footer-grid{display:flex; justify-content:space-between; flex-wrap:wrap; gap:36px; padding-bottom:36px; border-bottom:1px solid rgba(251,250,247,0.12);}
.footer-logo{font-family:'Instrument Serif',serif; font-size:22px;}
.footer-logo span{color:var(--amber);}
.footer-tag{font-size:13px; color:rgba(251,250,247,0.5); margin-top:10px; max-width:220px;}
.footer-links{display:flex; flex-direction:column; gap:10px;}
.footer-links a{font-family:'IBM Plex Mono',monospace; font-size:13px; color:rgba(251,250,247,0.6);}
.footer-links a:hover{color:var(--paper);}
.footer-contact{display:flex; flex-direction:column; gap:10px; font-size:13px; color:rgba(251,250,247,0.6);}
.footer-fine{padding-top:22px; font-size:12px; color:rgba(251,250,247,0.35); font-family:'IBM Plex Mono',monospace;}

@media (max-width:640px){
  .section{padding:70px 0;}
}