:root{
  --bg:#090d10;
  --bg-alt:#121b24;
  --bg-card:#16212b;
  --bg-card-alt:#0d141b;
  --border:#1e2a34;
  --border-alt:#2c3d48;
  --light:#e5ebf2;
  --paper:#e5ebf2;
  --paper-alt:#f2f6fa;
  --paper-border:#c8d3dd;
  --ink:#090d10;
  --ink-soft:#22303a;
  --accent:#62858f;
  --accent-light:#8aa8b1;
  --accent-dark:#4a6b75;
  --muted:#8aa8b1;
  --muted-light:#c2cfd6;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;font-size:17px;overflow-x:hidden}
body{
  margin:0;
  overflow-x:hidden;
  background:var(--bg);
  color:var(--light);
  font-family:'IBM Plex Sans',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent-light);text-decoration:none}
a:hover{color:var(--light)}
img{max-width:100%;display:block}
ul{list-style:none;margin:0;padding:0}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;
  letter-spacing:.32em;
  color:var(--accent);
}
.eyebrow--dark{color:var(--accent-dark)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:14px 5vw;
  background:rgba(10,14,17,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center}
.brand img{height:46px;width:auto}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:30px;font-size:15.5px;letter-spacing:.02em}
.btn{
  display:inline-block;
  padding:16px 32px;
  border-radius:2px;
  font-weight:600;
  font-size:15.5px;
  letter-spacing:.06em;
  transition:background .15s ease,border-color .15s ease,color .15s ease;
}
.btn-primary{background:var(--accent);color:var(--bg)}
.btn-primary:hover{background:var(--accent-light);color:var(--bg)}
.btn-outline{border:1px solid var(--border-alt);color:var(--light)}
.btn-outline:hover{border-color:var(--accent)}
.btn-ghost{border:1px solid var(--accent);color:var(--light)}
.btn-ghost:hover{background:var(--accent);color:var(--bg)}
.btn-call{
  position:relative;
  overflow:hidden;
  color:var(--bg);
  background:linear-gradient(110deg,var(--accent-dark),var(--accent-light),var(--accent),var(--accent-light),var(--accent-dark));
  background-size:300% 100%;
  animation:call-shimmer 4s linear infinite,call-glow 2s ease-in-out infinite;
}
.btn-call::after{
  content:"";
  position:absolute;
  top:0;left:-60%;
  width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-20deg);
  animation:call-sweep 2.6s ease-in-out infinite;
  pointer-events:none;
}
.btn-call:hover{color:var(--bg);filter:brightness(1.12)}
@keyframes call-shimmer{0%{background-position:0% 50%}100%{background-position:300% 50%}}
@keyframes call-glow{
  0%,100%{box-shadow:0 0 0 0 rgba(138,168,177,.55),0 0 12px rgba(138,168,177,.35)}
  50%{box-shadow:0 0 0 8px rgba(138,168,177,0),0 0 28px rgba(138,168,177,.75)}
}
@keyframes call-sweep{0%{left:-60%}60%,100%{left:130%}}
@media (prefers-reduced-motion:reduce){
  .btn-call,.btn-call::after{animation:none}
  .btn-call{box-shadow:0 0 18px rgba(138,168,177,.6)}
}
.nav .btn{padding:10px 20px;border:1px solid var(--accent);font-weight:500;font-size:15px}
.nav .btn-call{border-color:transparent;font-weight:600}
.nav-whatsapp{display:inline-flex;align-items:center;transition:opacity .15s ease}
.nav-whatsapp:hover{opacity:.8}
.nav-whatsapp img{display:block;height:1.4em;width:auto}

.nav-toggle{
  display:none;
  background:none;border:1px solid var(--border-alt);border-radius:2px;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:'';display:block;width:18px;height:2px;background:var(--light);
  position:relative;transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:120px 5vw 96px;
  /* layered gradient: lighter #202933 top-left, #03080c top-right, darker bottom-right corner */
  background:
    radial-gradient(40% 60% at 100% 100%,rgba(10,13,16,1) 0%,rgba(10,13,16,.6) 45%,rgba(10,13,16,0) 100%),
    radial-gradient(95% 140% at 100% 0%,rgba(3,8,12,1) 0%,rgba(3,8,12,.92) 10%,rgba(3,8,12,.8) 26%,rgba(3,8,12,.6) 47%,rgba(3,8,12,.3) 70%,rgba(3,8,12,0) 90%),
    radial-gradient(75% 110% at 0% 0%,#202933 0%,rgba(32,41,51,.6) 35%,rgba(32,41,51,0) 100%),
    radial-gradient(35% 55% at 50% 100%,rgba(18,25,33,.85) 0%,rgba(18,25,33,0) 100%),
    linear-gradient(180deg,#141b23 0%,#131920 30%,#10161c 50%,#0d1116 70%,#0a0e12 100%);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.hero-inner{position:relative;z-index:1;width:fit-content;max-width:100%;text-align:left}
/* text below the heading wraps to the heading width instead of widening the block */
.hero-inner>.eyebrow,.hero-inner>p{width:0;min-width:100%}
.hero h1{
  margin:26px 0 0;
  font-family:'Archivo',sans-serif;font-weight:600;
  font-size:clamp(46px,7.4vw,92px);
  line-height:1.0;letter-spacing:-.025em;color:var(--light);
  margin-left:-.04em; /* optical alignment: offsets the glyphs' left side bearing */
}
.hero p.lead{margin:30px 0 0;font-size:clamp(19px,1.8vw,24px);line-height:1.5;color:var(--muted-light)}
.hero p.sub{margin:18px 0 0;font-size:17.5px;line-height:1.6;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:nowrap;gap:16px;margin-top:44px;width:0;min-width:100%}
.hero-actions .btn{flex-shrink:0;white-space:nowrap}
.hero-graphic{
  position:absolute;right:-4%;top:-14%;width:min(480px,50%);
  opacity:.8;pointer-events:none;z-index:0;
}
.hero-graphic img{width:100%;height:auto}
@media (max-width:640px){
  .hero-graphic{width:min(150px,34%);top:-2%;right:-6%;opacity:.8}
  .hero-actions{flex-wrap:wrap}
}

/* ---------- About ---------- */
.about{
  position:relative;overflow:hidden;
  display:flex;align-items:center;
  padding:96px 5vw;min-height:clamp(420px,38vw,560px);
  background:var(--paper) url('../img/img8.png') right center/cover no-repeat;
  color:var(--ink);
}
.about-inner{position:relative;z-index:1;width:100%;max-width:540px}
/* on narrower screens the photo slides under the text: fade it out behind the copy */
.about::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none}
.about h2{margin:18px 0 0;font-family:'Archivo',sans-serif;font-weight:600;font-size:clamp(32px,4.4vw,56px);line-height:1.06;letter-spacing:-.022em;white-space:nowrap;margin-left:-.04em;color:#0d1419}
.about-rule{display:block;width:64px;height:1px;margin:26px 0;background:var(--paper-border)}
.about p{margin:0;font-size:18px;line-height:1.65;color:var(--ink-soft);max-width:min(48ch,28vw)}
.about p+p{margin-top:16px}
.about p.about-closing{margin-top:22px;font-weight:600;color:var(--ink)}
.about-tagline{
  position:absolute;right:5vw;bottom:14%;z-index:1;
  display:flex;flex-direction:column;gap:10px;align-items:flex-end;
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.32em;color:var(--accent-dark);
}
@media (max-width:1200px){
  .about::before{background:linear-gradient(90deg,var(--paper) 0%,rgba(229,235,242,.94) 40%,rgba(229,235,242,0) 70%)}
  .about p{max-width:42ch}
}
@media (max-width:720px){
  .about-tagline{display:none}
  .about{background:var(--paper)} /* phones: plain light background, no photo */
  .about::before{display:none}
  .about p{max-width:none}
  .about h2{white-space:normal}
}

/* ---------- Why ---------- */
.why{padding:84px 5vw;background:var(--bg);border-top:1px solid var(--border)}
.why h2{margin:18px 0 0;font-family:'Archivo',sans-serif;font-weight:600;font-size:clamp(32px,4.4vw,56px);line-height:1.06;letter-spacing:-.022em;color:var(--light)}
/* 5 tall cards in one row; below 1200px: 3 on top, the last 2 centred */
.why-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;margin-top:56px}
@media (max-width:1200px){
  .why-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .why-card{grid-column:span 2}
  .why-card:nth-child(4){grid-column:2/span 2}
}
.why-card{
  min-width:0;display:flex;flex-direction:column;gap:4px;
  padding:34px 26px 36px;background:var(--bg-alt);border:1px solid var(--border);border-radius:14px;
  transition:border-color .15s ease,background .15s ease;
}
.why-card:hover{border-color:var(--border-alt);background:#16212b}
.why-icon{
  width:76px;height:76px;flex:none;display:flex;align-items:center;justify-content:center;
  border-radius:14px;overflow:hidden;
}
.why-icon img{width:100%;height:100%;object-fit:cover;display:block}
.why-card h3{margin:0 0 6px;font-family:'Archivo',sans-serif;font-weight:600;font-size:21px;line-height:1.15;color:var(--light);min-height:2.3em;display:flex;align-items:flex-end} /* 2 lines reserved, title sits at the bottom: every description starts at the same height right under its title */
.why-card p{margin:0;font-size:15.5px;line-height:1.5;color:var(--muted)}

/* ---------- Services ---------- */
.services{padding:84px 5vw;background:var(--bg-alt);border-top:1px solid var(--border)}
.section-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:20px}
.services h2{margin:18px 0 0;font-family:'Archivo',sans-serif;font-weight:600;font-size:clamp(32px,4.2vw,54px);letter-spacing:-.02em;color:var(--light)}
.accent-text{color:#62858f}
/* 5 equal cards in one row; below 1200px: 3 on the first row, the last 2 centred */
.services-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:40px;align-items:stretch}
@media (max-width:1200px){
  .services-grid{grid-template-columns:repeat(6,1fr);gap:16px}
  .service-card{grid-column:span 2}
  .service-card:nth-child(4){grid-column:2/span 2}
  .service-photo{aspect-ratio:16/9}
}
.service-card{
  min-width:0;display:flex;flex-direction:column;background:var(--bg-card-alt);
  border:1px solid var(--border);border-radius:8px;overflow:hidden;
  transition:border-color .15s ease;
}
.service-card:hover{border-color:var(--border-alt)}
.service-photo{position:relative;aspect-ratio:4/3;overflow:hidden}
.service-photo img{width:100%;height:100%;object-fit:cover;display:block}
.service-photo-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:28px 18px 12px;
  background:linear-gradient(to top,rgba(6,9,12,.96) 25%,rgba(6,9,12,.55) 70%,transparent 100%);
}
.service-num{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--accent-light);letter-spacing:.3em}
.service-photo-overlay h3{margin:6px 0 0;font-family:'Archivo',sans-serif;font-weight:600;font-size:21px;line-height:1.15;letter-spacing:-.01em;color:var(--light)}
.service-body{padding:14px 18px 20px}
.service-body p{margin:0;font-size:17px;line-height:1.65;color:var(--muted)}

/* ---------- Segments ---------- */
.segments{padding:84px 5vw;background:var(--paper);color:var(--ink);text-align:center}
.segments h2{margin:0 auto;white-space:nowrap;font-family:'Archivo',sans-serif;font-weight:600;font-size:clamp(32px,4.2vw,54px);line-height:1.1;letter-spacing:-.02em}
.segments-text{margin:22px auto 0;max-width:36em;font-size:clamp(18px,1.6vw,22px);line-height:1.5;color:var(--ink-soft)}
.segments-text a{color:var(--ink);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.segments-text a:hover{color:var(--accent-dark)}

/* ---------- Contact ---------- */
.contact{
  position:relative;padding:84px 5vw 72px;
  background:radial-gradient(100% 120% at 14% 0%,#1e2a34 0%,#090d10 58%);
}
.contact-grid{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:52px;align-items:start}
.contact h2{margin:18px 0 40px;font-family:'Archivo',sans-serif;font-weight:600;font-size:clamp(32px,4.6vw,56px);line-height:1.06;letter-spacing:-.022em;color:var(--light)}
.contact-form{display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;font-size:15px;color:var(--muted-light)}
.field>span{line-height:18px}
.field em{font-style:normal;color:var(--accent-light)}
.field small{font-size:13px;color:var(--muted)}
.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:18px}
.field input,.field textarea{
  width:100%;padding:14px 16px;border:1px solid rgba(138,168,177,.45);border-radius:2px;
  background:var(--bg-card-alt);color:var(--light);font:inherit;font-size:16px;
  box-shadow:0 0 0 1px rgba(138,168,177,.18),0 0 18px rgba(138,168,177,.28);
  transition:border-color .15s ease,box-shadow .15s ease;
}
.field textarea{resize:vertical;min-height:120px}
.field input:hover,.field textarea:hover{border-color:rgba(138,168,177,.65);box-shadow:0 0 0 1px rgba(138,168,177,.28),0 0 24px rgba(138,168,177,.4)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent-light);box-shadow:0 0 0 1px rgba(138,168,177,.5),0 0 30px rgba(138,168,177,.55)}
.field.invalid input{border-color:#c46a6a;box-shadow:0 0 0 1px rgba(196,106,106,.3),0 0 20px rgba(196,106,106,.35)}
.field-hint{margin:-8px 0 0;font-size:13.5px;color:var(--muted)}
.field-hint.invalid{color:#e08a8a}
.contact-form .btn{align-self:flex-start;border:0;cursor:pointer;font-family:inherit}
.form-status{margin:0;font-size:15px;color:var(--accent-light);min-height:1.4em}
.contact-cards{display:grid;gap:1px;background:var(--border);border:1px solid var(--border);margin-top:26px} /* label (18px) + gap (8px): top aligns with the first input, not its label */
.contact-card{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;
  padding:18px 22px;background:var(--bg-alt);
}
.contact-card .label{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.24em;color:var(--accent)}
.contact-card a{font-family:'Archivo',sans-serif;font-size:18px;font-weight:500;color:var(--light)}

/* ---------- Footer ---------- */
.site-footer{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:72px;padding:26px 5vw 40px;border-top:1px solid var(--border);
  background:var(--bg);
}
.footer-tag{font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.16em;color:var(--accent-dark)}
.dev-credit p{margin:0}
.dev-credit-title{font-family:'Archivo',sans-serif;font-weight:600;font-size:19px;letter-spacing:-.01em;color:var(--light)}
.dev-credit-title a{margin-left:6px;color:var(--accent-light);text-decoration:none;transition:color .15s ease}
.dev-credit-title a:hover{color:var(--light)}
.arrow-ne{width:.8em;height:.8em;margin-left:2px;vertical-align:-.02em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.dev-credit .dev-credit-text{margin-top:8px;font-size:15px;line-height:1.5;color:var(--muted)}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .segments h2{white-space:normal;text-wrap:balance}
  .nav-toggle{display:flex}
  .nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#0b1014;border-bottom:1px solid var(--border);
    max-height:0;overflow:hidden;transition:max-height .25s ease;
  }
  .nav.open{max-height:480px}
  .nav a{padding:16px 5vw;border-bottom:1px solid var(--border)}
  .nav .btn{margin:14px 5vw;text-align:center}
  .services-grid{grid-template-columns:repeat(4,1fr)}
  .service-card,.service-card:nth-child(4){grid-column:span 2}
  .service-card:last-child{grid-column:2/span 2}
  .why-grid{grid-template-columns:1fr}
  .why-card,.why-card:nth-child(4){grid-column:auto;min-height:0}
  .why-card h3{min-height:0}
}
@media (max-width:720px){
  .why-icon{width:52px;height:52px;border-radius:12px}
  .contact-grid{grid-template-columns:1fr}
  .contact-cards{margin-top:0}
  .services-grid{grid-template-columns:1fr}
  .service-card,.service-card:nth-child(4),.service-card:last-child{grid-column:auto}
}