/* =========================================================
   Fifth Wave — Design System
   Reconstructed from the Fifth Wave Design System file
   ========================================================= */

:root{
  /* Core palette */
  --cream:#F2EEE5;
  --cream-2:#EDE8DC;
  --ink:#121826;          /* dark navy */
  --ink-2:#1A2233;
  --lime:#CBF24F;
  --lime-deep:#B7E03A;
  --purple:#B79FDE;
  --purple-deep:#7E6AA6;
  --purple-soft:#C9B6E8;
  --white:#FFFFFF;
  --line:rgba(18,24,38,.14);
  --line-soft:rgba(18,24,38,.08);
  --muted:#5A6070;
  --muted-2:#8A8F9C;

  /* Type */
  --font-display:"Instrument Sans","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-body:"Instrument Sans","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --radius:14px;
  --radius-lg:26px;
  --gutter:clamp(20px,4vw,64px);
  --maxw:1440px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--cream);
  color:var(--ink);
  font-size:17px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--lime);color:var(--ink)}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(56px,7vw,120px) 0}
.stack>*+*{margin-top:1rem}

/* ---------- typography ---------- */
.display{
  font-family:var(--font-display);
  font-weight:500;
  letter-spacing:-.03em;
  line-height:.98;
  margin:0;
}
h1.display{font-size:clamp(48px,7.2vw,104px)}
h2.display{font-size:clamp(38px,5.2vw,84px)}
h3.display{font-size:clamp(28px,3.4vw,52px)}
p{margin:0}

.eyebrow,
.sec-index,
.mono{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.sec-head{display:flex;align-items:baseline;gap:20px;flex-wrap:wrap;margin-bottom:clamp(24px,3vw,44px)}
.sec-head .sec-index{color:var(--muted-2)}
.lede{font-size:clamp(17px,1.4vw,20px);color:var(--muted);max-width:52ch;line-height:1.55}
.accent{color:var(--purple-deep)}

/* ---------- buttons / links ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 22px;border-radius:100px;
  font-size:14px;font-weight:500;letter-spacing:.01em;
  border:1px solid transparent;transition:.2s ease;
}
.btn--dark{background:var(--ink);color:var(--cream)}
.btn--dark:hover{background:#000}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover{background:var(--lime-deep)}
.btn--ghost{border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{background:rgba(0,0,0,.04)}
.arrow-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;
  border-bottom:1px solid var(--line);padding-bottom:3px;transition:.2s;
}
.arrow-link:hover{gap:14px;border-color:var(--ink)}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:color-mix(in srgb,var(--cream) 86%, transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;letter-spacing:-.01em}
.brand .mark{width:22px;height:22px;display:grid;place-items:center}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:15px;color:var(--ink);transition:.2s}
.nav a:hover{color:var(--purple-deep)}
.header-cta{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;background:none;border:0;padding:8px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* =========================================================
   HERO
   ========================================================= */
.hero{padding-top:clamp(28px,4vw,56px)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,64px);align-items:start}
.hero .eyebrow{margin-bottom:26px}
.hero h1{font-size:clamp(52px,7.6vw,108px)}
.hero h1 .dot{color:var(--purple)}
.hero-sub{margin-top:28px;font-size:clamp(17px,1.5vw,21px);max-width:46ch;color:var(--ink-2)}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:34px}
.hero .meta-tag{margin-top:40px;color:var(--muted-2)}

/* hero visual */
.hero-visual{
  position:relative;aspect-ratio:1/1;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,#20283B,#121826);
  overflow:hidden;display:flex;align-items:center;justify-content:center;
}
.hero-visual .hv-label{
  position:absolute;top:22px;left:24px;color:rgba(255,255,255,.6);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
}
.hero-card{position:relative;width:62%;aspect-ratio:4/5;border-radius:18px;background:#2A3346;box-shadow:0 30px 60px rgba(0,0,0,.35)}
.hero-card .blk-purple{position:absolute;top:8%;right:10%;width:46%;height:26%;border-radius:12px;background:var(--purple)}
.hero-card .blk-lime{position:absolute;left:10%;bottom:8%;width:62%;height:30%;border-radius:12px;background:var(--lime)}
.hero-card .blk-bar{position:absolute;top:0;left:44%;width:8%;height:100%;background:#3A465C}
.hero-num{
  position:absolute;top:16%;left:24%;font-family:var(--font-display);
  font-size:64px;color:var(--cream);font-weight:500;letter-spacing:-.04em;
}

/* trusted strip */
.trusted{margin-top:clamp(44px,6vw,80px)}
.trusted .eyebrow{margin-bottom:18px}
.logos{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.logos .logo{
  border:1px solid var(--line);border-radius:10px;
  height:60px;display:grid;place-items:center;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--muted);text-transform:uppercase;
}

/* =========================================================
   POINT OF VIEW
   ========================================================= */
.pov{border-top:1px solid var(--line)}
.pov h2{max-width:20ch}
.pov .lede{margin-top:26px;max-width:58ch}
.pov .arrow-link{margin-top:26px}

/* =========================================================
   CAPABILITIES (lime)
   ========================================================= */
.capabilities{background:var(--lime);border-radius:var(--radius-lg);color:var(--ink)}
.capabilities .sec-index{color:rgba(18,24,38,.55)}
.cap-list{margin-top:10px;border-top:1px solid rgba(18,24,38,.2)}
.cap-row{
  display:grid;grid-template-columns:60px 1fr 1.2fr 30px;gap:24px;align-items:center;
  padding:26px 0;border-bottom:1px solid rgba(18,24,38,.2);
  transition:.2s;
}
.cap-row:hover{padding-left:10px;background:rgba(255,255,255,.18)}
.cap-row .num{font-family:var(--font-mono);font-size:13px;color:rgba(18,24,38,.55)}
.cap-row .name{font-family:var(--font-display);font-size:clamp(20px,2vw,28px);font-weight:500;letter-spacing:-.02em}
.cap-row .desc{font-size:15px;color:rgba(18,24,38,.72);max-width:42ch}
.cap-row .go{font-size:20px;justify-self:end;transition:.2s}
.cap-row:hover .go{transform:translateX(4px)}

/* =========================================================
   METHOD
   ========================================================= */
.method .cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:46px}
.method-card{
  border-radius:16px;padding:26px 22px;min-height:220px;
  display:flex;flex-direction:column;justify-content:space-between;
  border:1px solid var(--line);transition:.25s ease;
}
.method-card .num{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;opacity:.6}
.method-card h3{font-family:var(--font-display);font-size:26px;font-weight:500;margin:0 0 10px;letter-spacing:-.02em}
.method-card p{font-size:14px;line-height:1.45;opacity:.8}
.method-card--dark{background:var(--ink);color:var(--cream);border-color:var(--ink)}
.method-card--light{background:var(--white);color:var(--ink)}
.method-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(18,24,38,.12)}

/* =========================================================
   WHY IT WORKS (dark)
   ========================================================= */
.why{background:var(--ink);color:var(--cream);border-radius:var(--radius-lg)}
.why .sec-index{color:rgba(242,238,229,.5)}
.why .lede{color:rgba(242,238,229,.72)}
.why .accent{color:var(--lime)}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px;border-top:1px solid rgba(242,238,229,.16);padding-top:34px}
.metric .val{font-family:var(--font-display);font-size:clamp(40px,5vw,72px);color:var(--lime);font-weight:500;letter-spacing:-.03em;line-height:1}
.metric .lbl{font-size:14px;color:rgba(242,238,229,.68);margin-top:12px;max-width:24ch}
.quote{
  margin-top:48px;padding:34px 38px;border-radius:18px;
  background:var(--purple);color:#241B33;max-width:820px;
}
.quote .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#4A3D63;margin-bottom:18px}
.quote blockquote{margin:0;font-family:var(--font-display);font-size:clamp(22px,2.4vw,34px);line-height:1.2;letter-spacing:-.02em}
.quote .attr{margin-top:20px;font-size:13px;color:#3E3357}
.quote .attr b{display:block;font-weight:600;margin-bottom:4px}

/* =========================================================
   SELECTED WORK
   ========================================================= */
.work .case{
  display:grid;grid-template-columns:1fr .9fr;gap:clamp(24px,4vw,64px);
  margin-top:44px;align-items:start;padding-top:34px;border-top:1px solid var(--line);
}
.work .case-meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.work .case h3{font-size:clamp(26px,2.8vw,40px)}
.work .summary{margin-top:22px;color:var(--muted);max-width:46ch}
.work .focus{margin-top:26px;border-top:1px solid var(--line-soft)}
.work .focus-item{padding:16px 0;border-bottom:1px solid var(--line-soft)}
.work .focus-item .fl{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.work .focus-item .ft{font-size:17px;margin-top:6px}
.work .arrow-link{margin-top:26px}

/* purple data card */
.data-card{
  position:relative;border-radius:20px;background:var(--purple);
  color:#2A2140;padding:26px;aspect-ratio:4/3.4;display:flex;flex-direction:column;justify-content:space-between;
}
.data-card .dc-top{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#4A3D63}
.data-card .dc-inner{
  background:rgba(255,255,255,.55);border-radius:12px;padding:18px 20px;
  display:grid;gap:10px;
}
.data-card .dc-inner .row{display:flex;justify-content:space-between;font-size:13px;color:#3A3050}
.data-card .dc-inner .row span:first-child{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#6A5E86}
.data-card .dc-num{font-family:var(--font-display);font-size:64px;font-weight:500;letter-spacing:-.04em;line-height:1}

/* =========================================================
   IMMERSIVE (dark + phone)
   ========================================================= */
.immersive{background:var(--ink);color:var(--cream);border-radius:var(--radius-lg)}
.immersive-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(24px,4vw,64px);align-items:center}
.immersive .sec-index{color:rgba(242,238,229,.5)}
.immersive h2{font-size:clamp(34px,4.4vw,68px);color:var(--cream)}
.immersive .accent{color:var(--purple-soft)}
.immersive p{color:rgba(242,238,229,.72);margin-top:22px;max-width:40ch}
.phone{
  width:min(320px,80%);aspect-ratio:9/18;border-radius:38px;background:#0B0F18;
  border:6px solid #262E40;margin:0 auto;padding:20px 16px;display:grid;gap:12px;align-content:start;
}
.phone .p-head{height:34px;border-radius:8px;background:#1B2333}
.phone .p-row{height:52px;border-radius:8px;background:#1B2333}
.phone .p-row.lime{background:var(--lime)}
.phone .p-row.purple{background:var(--purple)}

/* =========================================================
   THINKING (insights cards)
   ========================================================= */
.thinking .cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:44px}
.think-card{
  border-radius:16px;padding:28px;min-height:230px;
  display:flex;flex-direction:column;justify-content:space-between;
  border:1px solid var(--line);
}
.think-card .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;opacity:.65}
.think-card h3{font-family:var(--font-display);font-size:clamp(20px,2vw,28px);font-weight:500;letter-spacing:-.02em;line-height:1.1;margin:0}
.think-card--light{background:var(--white)}
.think-card--purple{background:var(--purple);color:#2A2140}
.think-card--lime{background:var(--lime);color:var(--ink)}
.think-card--dark{background:var(--ink);color:var(--cream)}

/* =========================================================
   FAQ
   ========================================================= */
.faq{border-top:1px solid var(--line)}
.faq-list{margin-top:10px}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-family:var(--font-display);font-size:clamp(17px,1.6vw,22px);font-weight:500;letter-spacing:-.01em;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{font-family:var(--font-mono);font-size:20px;transition:.25s;color:var(--muted)}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 0 24px;color:var(--muted);max-width:64ch}

/* =========================================================
   CTA (lime)
   ========================================================= */
.cta{background:var(--lime);border-radius:var(--radius-lg);color:var(--ink)}
.cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:clamp(24px,4vw,64px);align-items:center}
.cta h2{font-size:clamp(40px,5.4vw,88px)}
.cta h2 .accent{color:#5B4B86}
.cta p{margin-top:22px;max-width:42ch;color:rgba(18,24,38,.75)}
.cta .meta{margin-top:34px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:rgba(18,24,38,.6)}
.contact-card{
  background:var(--ink);color:var(--cream);border-radius:18px;padding:clamp(22px,3vw,34px);
}
.contact-card form{display:grid;gap:14px}
.contact-card label{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:rgba(242,238,229,.6);display:block;margin-bottom:6px}
.contact-card input,.contact-card textarea{
  width:100%;background:#1C2436;border:1px solid #2C3548;border-radius:10px;
  color:var(--cream);padding:12px 14px;font-family:inherit;font-size:15px;outline:none;
}
.contact-card input:focus,.contact-card textarea:focus{border-color:var(--lime)}
.contact-card textarea{resize:vertical;min-height:90px}
.contact-card .btn{width:100%;justify-content:center;margin-top:4px}
.form-note{font-size:12px;color:rgba(242,238,229,.5);margin-top:2px}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--ink);color:rgba(242,238,229,.72);padding:clamp(40px,5vw,72px) 0 32px}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:40px;border-bottom:1px solid rgba(242,238,229,.14)}
.site-footer .brand{color:var(--cream)}
.footer-cols{display:flex;gap:clamp(30px,6vw,90px);flex-wrap:wrap}
.footer-col h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(242,238,229,.45);margin:0 0 14px;font-weight:400}
.footer-col a{display:block;font-size:14px;padding:5px 0;color:rgba(242,238,229,.8);transition:.2s}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:24px;font-size:12px;color:rgba(242,238,229,.45);font-family:var(--font-mono);letter-spacing:.06em}

/* =========================================================
   SUB-PAGE HERO
   ========================================================= */
.page-hero{padding:clamp(56px,7vw,110px) 0 clamp(30px,4vw,56px);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(44px,7vw,110px)}
.page-hero .lede{margin-top:26px;font-size:clamp(17px,1.6vw,21px);max-width:56ch}
.breadcrumb{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{max-width:520px}
  .logos{grid-template-columns:repeat(3,1fr)}
  .method .cards{grid-template-columns:repeat(2,1fr)}
  .work .case,.immersive-grid,.cta-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr 1fr}
  .cap-row{grid-template-columns:40px 1fr 30px;gap:14px}
  .cap-row .desc{display:none}
}
@media(max-width:720px){
  body{font-size:16px}
  .nav,.header-cta .btn{display:none}
  .menu-toggle{display:block}
  .nav.open{
    display:flex;position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--cream);border-bottom:1px solid var(--line);padding:12px var(--gutter) 24px;
  }
  .nav.open a{padding:14px 0;width:100%;border-bottom:1px solid var(--line-soft);font-size:17px}
  .logos{grid-template-columns:repeat(2,1fr)}
  .method .cards,.thinking .cards{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .quote{padding:26px 22px}
  .cap-row{grid-template-columns:34px 1fr 26px}
  .footer-top{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important}
}