/* =========================================================
   D-FINITE — responsive website
   ========================================================= */

:root{
  --navy:#0B1D36;
  --navy-glass:rgba(11,29,54,.86);
  --paper:#F5F7F9;
  --white:#FFFFFF;
  --text:#14213A;
  --heading:#0C1F3B;
  --muted:#57687F;
  --line:#DCE3EB;
  --teal:#0F6E78;
  --aqua:#5FC2CB;
  --aqua-hover:#7FD2D9;
  --band-text:#EDF2F8;
  --band-muted:#93A7BF;
  --band-line:rgba(255,255,255,.1);

  --max:1200px;
  --pad:clamp(20px,4vw,40px);
  --header-h:73px;

  --f-sans:"Archivo","Helvetica Neue",Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--f-sans);-webkit-font-smoothing:antialiased}
h1,h2,h3,p,ol{margin:0}
img,svg{display:block;max-width:100%}
a{color:var(--teal);text-decoration:none}
a:hover{color:var(--navy)}
:focus-visible{outline:2px solid var(--aqua);outline-offset:3px}

.page{min-height:100vh;display:flex;flex-direction:column}
.container{max-width:var(--max);margin:0 auto;padding-inline:var(--pad);width:100%}

/* responsive grids (match the design's breakpoints) */
.grid-4,.grid-3{display:grid;grid-template-columns:minmax(0,1fr)}
@media (min-width:540px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:960px){.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (min-width:900px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* ---------- shared type ---------- */
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
h2{font-weight:600;font-size:clamp(34px,5vw,56px);line-height:1.06;letter-spacing:-.03em;color:var(--heading);text-wrap:balance}
.lede{font-size:clamp(17px,1.5vw,19px);line-height:1.6;color:var(--muted);max-width:62ch;text-wrap:pretty}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-size:16px;font-weight:600;padding:15px 26px;border-radius:10px;transition:background-color .2s,border-color .2s}
.btn-primary{background:var(--aqua);color:var(--navy)}
.btn-primary:hover{background:var(--aqua-hover);color:var(--navy)}
.btn-ghost{font-weight:500;border:1px solid rgba(255,255,255,.22);color:var(--band-text)}
.btn-ghost:hover{border-color:var(--aqua);color:var(--band-text)}
.btn-sm{font-size:14px;padding:10px 18px}
.btn-row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:30;
  background:var(--navy-glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--band-line);
}
.header-bar{
  max-width:var(--max);margin:0 auto;padding:14px var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.header-logo{display:flex;flex-shrink:0}
.header-logo img{height:28px;width:auto}
.nav-desktop{display:flex;gap:32px;font-size:14px}
.nav-desktop a{color:var(--band-muted);transition:color .2s}
.nav-desktop a:hover{color:var(--band-text)}

.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);background:transparent;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--band-text);transition:transform .2s}
.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

.nav-mobile{display:flex;flex-direction:column;padding:8px 20px 24px;border-top:1px solid var(--band-line)}
.nav-mobile[hidden]{display:none}
.nav-mobile a{color:var(--band-text);font-size:20px;font-weight:500;padding:14px 0;border-bottom:1px solid var(--band-line)}
.nav-mobile a:nth-last-child(2){border-bottom:0}
.nav-mobile a.btn{margin-top:16px;text-align:center;font-size:16px;font-weight:600;padding:14px 18px;border-bottom:0;color:var(--navy)}

@media (max-width:819px){
  .nav-desktop,.header-cta{display:none}
  .menu-toggle{display:flex}
}
@media (min-width:820px){
  .nav-mobile{display:none!important}
}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--navy);color:var(--band-text);
  margin-top:calc(var(--header-h) * -1);padding-top:var(--header-h);
}
.hero-photo{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:cover;object-position:70% 40%;opacity:1;pointer-events:none}
.hero-shade{position:absolute;inset:0;background:radial-gradient(46% 58% at 50% 50%,rgba(11,29,54,.86) 0%,rgba(11,29,54,.6) 55%,rgba(11,29,54,0) 100%),linear-gradient(180deg,rgba(11,29,54,.5),rgba(11,29,54,0) 22%);pointer-events:none}
.hero-glow{position:absolute;inset:0;background:radial-gradient(60% 50% at 50% 0%,rgba(95,194,203,.16),rgba(95,194,203,0) 70%);pointer-events:none}
.hero-inner{
  position:relative;
  padding-top:clamp(96px,14vw,176px);padding-bottom:clamp(40px,6vw,80px);
  display:flex;flex-direction:column;align-items:center;text-align:center;
}
.pill{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--aqua);padding:7px 14px;border:1px solid rgba(95,194,203,.35);border-radius:999px}
.hero h1{margin-top:28px;font-weight:600;font-size:clamp(40px,7.4vw,84px);line-height:1.02;letter-spacing:-.035em;max-width:16ch;text-wrap:balance;text-shadow:0 2px 24px rgba(11,29,54,.7)}
.hero h1 .hl{color:var(--aqua)}
.hero-lede{margin-top:28px;font-size:clamp(17px,1.6vw,20px);line-height:1.6;color:#B9C8D9;max-width:56ch;text-wrap:pretty;text-shadow:0 2px 24px rgba(11,29,54,.7)}
.hero .btn-row{margin-top:40px}
.hero-spacer{height:clamp(56px,8vw,96px)}

/* ---------- client logo strip ---------- */
.logo-strip{background:var(--white);border-bottom:1px solid var(--line)}
.logo-strip-inner{padding-block:40px;gap:32px 24px;align-items:center;justify-items:center}
.logo-strip img{width:auto;max-width:100%;object-fit:contain;filter:grayscale(1);opacity:.7}

/* ---------- stats ---------- */
.stats{background:var(--white);border-bottom:1px solid var(--line)}
.stats-inner{padding-block:clamp(56px,8vw,96px);gap:40px 32px}
.stat{display:flex;flex-direction:column;gap:14px;padding-top:24px;border-top:2px solid var(--teal)}
.stat b{font-weight:600;font-size:clamp(48px,6vw,72px);line-height:1;letter-spacing:-.04em;color:var(--heading)}
.stat .accent{color:var(--teal)}
.stat .unit{font-size:.4em;letter-spacing:0;margin-left:4px;color:var(--teal)}
.stat > span{font-size:16px;line-height:1.5;color:var(--muted);max-width:28ch}

/* ---------- generic section ---------- */
.section{scroll-margin-top:72px}
.section-center{
  padding-block:clamp(72px,10vw,128px);
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:24px;
}
.section-center h2{max-width:20ch}

/* ---------- expertise cards ---------- */
.cards{margin-top:32px;width:100%;gap:20px;text-align:left}
.card{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:28px 28px 36px;display:flex;flex-direction:column;gap:14px;transition:border-color .2s}
.card:hover{border-color:var(--teal)}
.card-art{margin:-20px -16px 8px;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--navy)}
.card-art svg{width:100%;height:100%}
.card-n{font-family:var(--f-mono);font-size:13px;color:var(--teal)}
.card h3{margin-top:4px;font-weight:600;font-size:22px;letter-spacing:-.015em;color:var(--heading)}
.card p{font-size:16px;line-height:1.6;color:var(--muted)}

/* ---------- approach ---------- */
.approach{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.approach-inner{padding-block:clamp(72px,10vw,128px);display:flex;flex-wrap:wrap;gap:clamp(40px,6vw,96px)}
.approach-intro{flex:1 1 340px;display:flex;flex-direction:column;gap:24px;min-width:0}
.approach-sticky{position:sticky;top:112px;display:flex;flex-direction:column;gap:24px}
.approach .lede{max-width:48ch}
.approach-photo{margin-top:16px;aspect-ratio:4/3;width:100%;max-width:520px;border-radius:20px;overflow:hidden;background:var(--paper)}
.approach-photo img{width:100%;height:100%;object-fit:cover}

.steps{flex:1 1 440px;list-style:none;padding:0;display:flex;flex-direction:column;gap:12px;min-width:0}
.steps li{display:grid;grid-template-columns:48px minmax(0,1fr);gap:20px;padding:28px;border-radius:20px;background:var(--paper);border:1px solid var(--line)}
.step-n{width:40px;height:40px;border-radius:10px;background:var(--navy);color:var(--aqua);font-family:var(--f-mono);font-size:13px;display:flex;align-items:center;justify-content:center}
.steps li > div{display:flex;flex-direction:column;gap:8px}
.steps h3{font-weight:600;font-size:20px;letter-spacing:-.01em;color:var(--heading)}
.steps p{font-size:16px;line-height:1.6;color:var(--muted)}

.principles-wrap{padding-bottom:clamp(72px,10vw,128px)}
.principles{background:var(--navy);border-radius:24px;padding:clamp(28px,4vw,48px);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:32px}
.principles > div{display:flex;flex-direction:column;gap:10px}
.principles strong{font-weight:600;font-size:17px;color:var(--band-text)}
.principles span{font-size:15px;line-height:1.55;color:var(--band-muted)}

/* ---------- clients ---------- */
.clients{margin-top:32px;width:100%;gap:16px}
.client{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:40px 20px 32px;display:flex;flex-direction:column;align-items:center;gap:18px}
.client-logo{height:64px;display:flex;align-items:center}
.client-logo img{width:auto;max-width:100%}
.client span{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.note{font-size:14px;color:var(--muted)}

/* ---------- contact ---------- */
.contact{scroll-margin-top:72px;background:var(--navy)}
.contact-frame{max-width:var(--max);margin:0 auto;position:relative;overflow:hidden}
.contact-glow{position:absolute;inset:0;background:radial-gradient(50% 60% at 50% 100%,rgba(95,194,203,.18),rgba(95,194,203,0) 70%);pointer-events:none}
.contact-inner{position:relative;padding-block:clamp(64px,9vw,112px)}
.contact .eyebrow{color:var(--aqua)}
.contact h2{font-size:clamp(36px,5.6vw,64px);line-height:1.04;letter-spacing:-.035em;color:var(--band-text);max-width:16ch}
.contact .lede{color:var(--band-muted);max-width:56ch}
.contact .btn-row{margin-top:12px}
.contact-grid{
  margin-top:48px;width:100%;max-width:880px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:1px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:16px;overflow:hidden;text-align:left;
}
.contact-grid > div{background:var(--navy);padding:24px;display:flex;flex-direction:column;gap:10px}
.contact-grid h3{font-family:var(--f-mono);font-weight:500;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--band-muted)}
.contact-grid a{color:var(--aqua);font-size:16px}
.contact-grid a:hover{color:var(--band-text)}
.contact-grid address{font-style:normal;font-size:15px;line-height:1.55;color:var(--band-text)}

/* ---------- footer ---------- */
.site-footer{margin-top:auto}
.footer-inner{padding-top:56px;padding-bottom:40px;display:flex;flex-direction:column;gap:40px}
.footer-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px}
.footer-brand{display:flex;flex-direction:column;gap:12px;max-width:360px}
.footer-brand a{display:flex}
.footer-brand img{height:32px;width:auto}
.footer-brand span{font-size:15px;line-height:1.55;color:var(--muted)}
.footer-nav{display:flex;flex-wrap:wrap;gap:12px 28px;font-size:15px}
.footer-nav a{color:var(--text)}
.footer-nav a:hover{color:var(--teal)}
.footer-bottom{padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important}
}