/* ==========================================================================
   0. RESET
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
img,svg{display:block;max-width:100%;}
button,input,textarea{font:inherit;color:inherit;background:none;border:none;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{cursor:pointer;}

/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */
:root{
  /* colour */
  --navy-950:#060B16;
  --navy-900:#0A1630;
  --navy-800:#0F1E42;
  --navy-700:#16295C;
  --blue-600:#2451F5;
  --blue-500:#3D63F6;
  --blue-400:#7093FF;
  --blue-100:#E8EDFF;
  --ink-900:#0B1220;
  --slate-700:#3C4459;
  --slate-500:#69728A;
  --slate-400:#8991A6;
  --slate-300:#C6CCDA;
  --slate-200:#DEE2EA;
  --slate-100:#EEF1F6;
  --paper:#F6F8FB;
  --white:#FFFFFF;
  --line:rgba(11,18,32,0.09);
  --line-soft:rgba(11,18,32,0.06);
  --line-dark:rgba(255,255,255,0.14);
  --line-dark-soft:rgba(255,255,255,0.08);

  /* type */
  --font-display:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;

  --fs-display:clamp(2.6rem,1.4rem + 4.4vw,4.6rem);
  --fs-h2:clamp(2rem,1.5rem + 1.9vw,2.9rem);
  --fs-h3:clamp(1.15rem,1rem + 0.5vw,1.35rem);
  --fs-lead:clamp(1.05rem,0.95rem + 0.4vw,1.2rem);
  --fs-body:1rem;
  --fs-small:0.9rem;
  --fs-mono:0.78rem;

  /* spacing */
  --space-3xs:0.25rem;
  --space-2xs:0.5rem;
  --space-xs:0.75rem;
  --space-sm:1.25rem;
  --space-md:2rem;
  --space-lg:3rem;
  --space-xl:clamp(4rem,3rem + 4vw,6.5rem);
  --space-2xl:clamp(5.5rem,4rem + 6vw,9rem);

  --container:1260px;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --ease:cubic-bezier(.22,.88,.32,1);
}

/* ==========================================================================
   2. BASE
   ========================================================================== */
body{
  font-family:var(--font-body);
  color:var(--ink-900);
  background:var(--white);
  font-size:var(--fs-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.12;
  letter-spacing:-0.01em;
  color:var(--ink-900);
}
p{color:var(--slate-700);}
.container{
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:clamp(1.25rem,4vw,3rem);
}
section{position:relative;}
::selection{background:var(--blue-600);color:var(--white);}
:focus-visible{outline:2px solid var(--blue-500);outline-offset:3px;border-radius:4px;}

.mono{
  font-family:var(--font-mono);
  font-size:var(--fs-mono);
  letter-spacing:0.14em;
  text-transform:uppercase;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:0.55em;
  font-family:var(--font-mono);
  font-size:var(--fs-mono);
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--blue-600);
  margin-bottom:var(--space-sm);
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;
  background:var(--blue-600);
  border-radius:1px;
  transform:rotate(45deg);
  flex:none;
}
.eyebrow.light{color:var(--blue-400);}

.section-head{
  max-width:640px;
  margin-bottom:var(--space-xl);
}
.section-head h2{font-size:var(--fs-h2);}
.section-head p{font-size:var(--fs-lead);margin-top:var(--space-sm);color:var(--slate-500);}
.section-head.center{margin-inline:auto;text-align:center;}

.pad{padding-block:var(--space-2xl);}
.bg-paper{background:var(--paper);}
.bg-navy{background:var(--navy-900);color:var(--white);}
.bg-navy p{color:var(--slate-300);}
.bg-navy h2,.bg-navy h3{color:var(--white);}

/* buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:0.6em;
  font-family:var(--font-body);
  font-weight:600;
  font-size:0.95rem;
  padding:0.95em 1.7em;
  border-radius:100px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s ease,border-color .3s ease,color .3s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;transition:transform .35s var(--ease);}
.btn-primary{
  background:var(--blue-600);
  color:var(--white);
  box-shadow:0 1px 2px rgba(10,22,60,.08), 0 12px 24px -12px rgba(36,81,245,.55);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 30px -12px rgba(36,81,245,.6);}
.btn-primary:hover svg{transform:translateX(3px);}
.btn-outline{
  background:transparent;
  border:1px solid var(--line);
  color:var(--ink-900);
}
.btn-outline:hover{border-color:var(--ink-900);transform:translateY(-2px);}
.btn-outline.on-dark{border-color:var(--line-dark);color:var(--white);}
.btn-outline.on-dark:hover{border-color:var(--white);}
.btn-ghost{
  background:transparent;
  color:var(--blue-600);
  padding:0.4em 0;
  border-radius:0;
}
.btn-ghost svg{transition:transform .3s var(--ease);}
.btn-ghost:hover svg{transform:translateX(4px);}

/* reveal-on-scroll */
[data-reveal]{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].in-view{opacity:1;transform:translateY(0);}
[data-reveal-delay="1"]{transition-delay:.08s;}
[data-reveal-delay="2"]{transition-delay:.16s;}
[data-reveal-delay="3"]{transition-delay:.24s;}
[data-reveal-delay="4"]{transition-delay:.32s;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  [data-reveal]{opacity:1;transform:none;transition:none;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

/* ==========================================================================
   3. NAVBAR
   ========================================================================== */
.navbar{
  position:fixed;
  top:0;left:0;right:0;
  z-index:200;
  padding-block:1.35rem;
  transition:padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s ease;
  border-bottom:1px solid transparent;
}
.navbar.scrolled{
  padding-block:0.85rem;
  background:rgba(255,255,255,0.78);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px -20px rgba(11,18,32,.25);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
}
.brand{display:flex;align-items:center;gap:0.65rem;}
.brand-mark{
  width:34px;height:34px;
  border-radius:0;
  flex:none;
  object-fit:cover;
  box-shadow:0 1px 2px rgba(6,11,22,.18), 0 0 0 1px rgba(6,11,22,.06);
}
.brand-word{font-family:var(--font-display);font-weight:700;font-size:1.12rem;letter-spacing:-0.01em;line-height:1;}
.brand-word span{font-weight:400;color:var(--slate-500);}

.nav-links{display:flex;align-items:center;gap:2.1rem;}
.nav-links a{
  font-size:0.92rem;
  font-weight:500;
  color:var(--slate-700);
  position:relative;
  padding-block:0.3rem;
  transition:color .25s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:1.5px;
  background:var(--blue-600);
  transition:width .3s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--ink-900);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}

.nav-cta{display:flex;align-items:center;gap:1.4rem;}
.hamburger{
  display:none;
  width:40px;height:40px;
  border-radius:8px;
  border:1px solid var(--line);
  position:relative;
  flex:none;
}
.hamburger span{
  position:absolute;left:11px;right:11px;height:1.4px;background:var(--ink-900);
  transition:transform .3s var(--ease), opacity .3s var(--ease), top .3s var(--ease);
}
.hamburger span:nth-child(1){top:15px;}
.hamburger span:nth-child(2){top:20px;}
.hamburger span:nth-child(3){top:25px;}
.hamburger.open span:nth-child(1){top:20px;transform:rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){top:20px;transform:rotate(-45deg);}

.mobile-panel{
  position:fixed;inset:0;
  background:var(--white);
  z-index:190;
  display:flex;flex-direction:column;
  padding:6.5rem 1.75rem 2.5rem;
  transform:translateY(-100%);
  transition:transform .5s var(--ease);
}
.mobile-panel.open{transform:translateY(0);}
.mobile-panel a{
  display:block;
  font-family:var(--font-display);
  font-size:1.9rem;
  font-weight:600;
  padding-block:0.7rem;
  border-bottom:1px solid var(--line);
}
.mobile-panel .btn{margin-top:2rem;align-self:flex-start;}

/* ==========================================================================
   4. HERO
   ========================================================================== */
.hero{
  padding-top:clamp(8.5rem,7rem + 5vw,11rem);
  padding-bottom:var(--space-2xl);
  position:relative;
  background:
    linear-gradient(180deg, var(--paper) 0%, var(--white) 55%);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 65% 20%, #000 10%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 65% 20%, #000 10%, transparent 75%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr 0.92fr;
  gap:clamp(2rem,4vw,4rem);
  align-items:center;
  position:relative;
  z-index:2;
}
.hero-copy h1{font-size:var(--fs-display);max-width:14ch;}
.hero-copy p.lead{
  font-size:var(--fs-lead);
  color:var(--slate-500);
  max-width:46ch;
  margin-top:var(--space-md);
}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-top:var(--space-lg);}
.hero-foot{
  display:flex;
  align-items:center;
  gap:1.5rem;
  margin-top:var(--space-lg);
  padding-top:var(--space-md);
  border-top:1px solid var(--line);
  max-width:30rem;
}
.hero-foot-item{display:flex;flex-direction:column;gap:0.15rem;}
.hero-foot-item strong{font-family:var(--font-display);font-size:1.15rem;}
.hero-foot-item span{font-size:0.78rem;color:var(--slate-500);}
.hero-foot-div{width:1px;height:30px;background:var(--line);}

/* hero schematic visual */
.hero-visual{position:relative;aspect-ratio:1/1;max-width:560px;justify-self:end;width:100%;}
.hero-visual svg{width:100%;height:100%;overflow:visible;}
.node-dot{fill:var(--white);stroke:var(--blue-600);stroke-width:1.6;}
.node-core{fill:var(--navy-900);}
.node-ring{fill:none;stroke:var(--blue-500);stroke-width:1;opacity:.35;}
.node-line{fill:none;stroke:var(--slate-300);stroke-width:1;}
.node-line-flow{fill:none;stroke:var(--blue-500);stroke-width:1.4;stroke-dasharray:6 10;animation:flow 3.5s linear infinite;}
@keyframes flow{to{stroke-dashoffset:-160;}}
.node-label{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.12em;fill:var(--slate-700);text-transform:uppercase;}
.node-pulse{animation:pulse 3s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:.55;transform:scale(1);}50%{opacity:1;transform:scale(1.12);}}
.bracket{stroke:var(--slate-300);stroke-width:1.2;fill:none;}

.hero-status{
  position:absolute;
  left:-6%;bottom:6%;
  width:198px;
  padding:1rem 1.1rem;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.62);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:0 20px 40px -20px rgba(11,18,32,.25);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.hero-status .row{display:flex;justify-content:space-between;align-items:center;padding-block:0.3rem;font-family:var(--font-mono);font-size:0.68rem;letter-spacing:.06em;color:var(--slate-700);}
.hero-status .row + .row{border-top:1px solid var(--line-soft);}
.hero-status .dot{width:6px;height:6px;border-radius:50%;background:#2FD37B;flex:none;box-shadow:0 0 0 3px rgba(47,211,123,.18);}

/* ==========================================================================
   5. STATS STRIP
   ========================================================================== */
.stats-strip{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding-block:var(--space-lg);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-item{
  padding-inline:var(--space-md);
  text-align:left;
  position:relative;
}
.stat-item + .stat-item{border-left:1px solid var(--line);}
.stat-item .num{
  font-family:var(--font-display);
  font-size:clamp(2.1rem,1.6rem + 1.6vw,2.9rem);
  font-weight:600;
  color:var(--ink-900);
  display:flex;align-items:baseline;gap:0.15rem;
}
.stat-item .num sup{font-size:0.45em;color:var(--blue-600);top:-0.6em;}
.stat-item .label{
  margin-top:0.35rem;
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--slate-500);
}

/* ==========================================================================
   6. SERVICES
   ========================================================================== */
.svc-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.svc-card{
  background:var(--white);
  padding:2.4rem 1.9rem;
  transition:background .35s ease, transform .35s var(--ease);
  position:relative;
}
.svc-card:hover{background:var(--paper);}
.svc-icon-wrap{
  width:46px;height:46px;
  border-radius:10px;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--blue-600);
  margin-bottom:1.4rem;
  transition:border-color .3s ease, transform .3s var(--ease);
}
.svc-card:hover .svc-icon-wrap{border-color:var(--blue-600);transform:translateY(-3px);}
.svc-icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;}
.svc-card h3{font-size:1.05rem;margin-bottom:0.6rem;}
.svc-card p{font-size:0.9rem;color:var(--slate-500);line-height:1.6;}
.svc-index{
  position:absolute;top:1.6rem;right:1.9rem;
  font-family:var(--font-mono);font-size:0.7rem;color:var(--slate-300);
}

/* ==========================================================================
   7. AI SOLUTIONS (dark)
   ========================================================================== */
.ai-section{
  background:radial-gradient(ellipse 90% 70% at 80% 0%, var(--navy-800) 0%, var(--navy-900) 55%, var(--navy-950) 100%);
  color:var(--white);
  overflow:hidden;
  position:relative;
}
.ai-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(2rem,5vw,5rem);
  align-items:center;
}
.ai-section h2{font-size:var(--fs-h2);color:var(--white);max-width:12ch;}
.ai-section > .container > p.lead{color:var(--slate-300);}
.ai-copy p.lead{font-size:var(--fs-lead);color:var(--slate-300);max-width:42ch;margin-top:1rem;}
.ai-list{
  margin-top:var(--space-lg);
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0.4rem 1.5rem;
}
.ai-list li{
  display:flex;
  align-items:baseline;
  gap:0.7rem;
  padding-block:0.65rem;
  border-top:1px solid var(--line-dark-soft);
  font-size:0.92rem;
  color:var(--slate-300);
}
.ai-list li .n{font-family:var(--font-mono);font-size:0.72rem;color:var(--blue-400);}
.ai-visual{position:relative;aspect-ratio:1/0.85;border-radius:var(--radius-lg);border:1px solid var(--line-dark);background:rgba(255,255,255,.02);overflow:hidden;}
.ai-visual canvas{width:100%;height:100%;display:block;}
.ai-visual-tag{
  position:absolute;top:1rem;left:1rem;
  font-family:var(--font-mono);font-size:0.65rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--blue-400);
  display:flex;align-items:center;gap:0.5rem;
}
.ai-visual-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:#2FD37B;box-shadow:0 0 0 3px rgba(47,211,123,.18);}

/* ==========================================================================
   8. PLATFORMS (Web & Mobile)
   ========================================================================== */
.platforms-grid{
  display:grid;
  grid-template-columns:0.95fr 1.05fr;
  gap:clamp(2rem,5vw,4.5rem);
  align-items:center;
}
.platform-tags{display:flex;flex-wrap:wrap;gap:0.6rem;margin-top:var(--space-md);}
.platform-tags span{
  font-family:var(--font-mono);font-size:0.72rem;letter-spacing:.06em;
  padding:0.45rem 0.9rem;border:1px solid var(--line);border-radius:100px;color:var(--slate-700);
}
.platforms-copy p.lead{color:var(--slate-500);font-size:var(--fs-lead);margin-top:1rem;max-width:40ch;}
.platforms-copy ul{margin-top:var(--space-md);display:flex;flex-direction:column;gap:0.85rem;}
.platforms-copy ul li{display:flex;gap:0.75rem;font-size:0.94rem;color:var(--slate-700);}
.platforms-copy ul li svg{flex:none;width:18px;height:18px;stroke:var(--blue-600);fill:none;stroke-width:2;margin-top:0.15rem;}

.device-stage{position:relative;height:clamp(360px,42vw,480px);}
.browser-mock{
  position:absolute;top:0;left:0;width:88%;
  border-radius:12px;overflow:hidden;
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:0 40px 70px -35px rgba(11,18,32,.35);
}
.browser-bar{display:flex;align-items:center;gap:0.5rem;padding:0.7rem 0.9rem;background:var(--slate-100);border-bottom:1px solid var(--line);}
.browser-bar .dot{width:7px;height:7px;border-radius:50%;background:var(--slate-300);}
.browser-url{
  margin-left:0.6rem;font-family:var(--font-mono);font-size:0.66rem;color:var(--slate-500);
  background:var(--white);border:1px solid var(--line);padding:0.25rem 0.7rem;border-radius:100px;flex:1;
}
.browser-body{padding:1.1rem;display:grid;grid-template-columns:0.7fr 2fr;gap:0.8rem;}
.skel-side{display:flex;flex-direction:column;gap:0.5rem;}
.skel-side span{height:9px;border-radius:3px;background:var(--slate-100);}
.skel-side span:nth-child(1){width:70%;}
.skel-main{display:grid;grid-template-columns:1fr 1fr;gap:0.6rem;}
.skel-main .card{height:60px;border-radius:8px;background:var(--paper);border:1px solid var(--line);}
.skel-main .bar{grid-column:1/-1;height:14px;border-radius:4px;background:var(--blue-100);width:60%;}

.phone-mock{
  position:absolute;right:2%;bottom:-4%;
  width:150px;height:300px;
  border-radius:26px;
  background:var(--navy-900);
  padding:9px;
  box-shadow:0 40px 60px -30px rgba(11,18,32,.5);
  transform:rotate(4deg);
}
.phone-screen{
  width:100%;height:100%;
  border-radius:19px;
  background:var(--white);
  overflow:hidden;
  padding:0.9rem 0.7rem;
  display:flex;flex-direction:column;gap:0.5rem;
}
.phone-notch{width:38%;height:5px;background:var(--slate-200);border-radius:100px;margin-inline:auto;margin-bottom:0.4rem;}
.phone-screen .row-card{height:34px;border-radius:8px;background:var(--paper);border:1px solid var(--line);}
.phone-screen .row-line{height:7px;width:70%;border-radius:3px;background:var(--slate-100);}
.phone-screen .accent{height:60px;border-radius:10px;background:linear-gradient(135deg,var(--blue-600),var(--navy-800));margin-top:0.2rem;}

/* ==========================================================================
   9. TECH STACK
   ========================================================================== */
.stack-groups{display:flex;flex-direction:column;gap:1.6rem;}
.stack-row{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:1.5rem;
  padding-block:1.4rem;
  border-top:1px solid var(--line);
  align-items:start;
}
.stack-row:last-child{border-bottom:1px solid var(--line);}
.stack-cat{font-family:var(--font-mono);font-size:0.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate-500);padding-top:0.55rem;}
.stack-chips{display:flex;flex-wrap:wrap;gap:0.6rem;}
.stack-chips span{
  font-size:0.88rem;font-weight:500;
  padding:0.5rem 1rem;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--white);
  transition:border-color .3s ease, transform .3s var(--ease), background .3s ease;
}
.stack-chips span:hover{border-color:var(--blue-600);background:var(--blue-100);transform:translateY(-2px);}

/* ==========================================================================
   10. PORTFOLIO
   ========================================================================== */
.port-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.6rem;
}
.port-card{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  background:var(--white);
  transition:border-color .35s ease, box-shadow .35s ease, transform .35s var(--ease);
}
.port-card:hover{border-color:var(--slate-300);box-shadow:0 30px 50px -30px rgba(11,18,32,.3);transform:translateY(-4px);}
.port-visual{
  position:relative;
  aspect-ratio:16/11;
  display:flex;align-items:flex-end;
  padding:1.1rem;
  overflow:hidden;
  background:var(--navy-900);
}
.port-mark{font-family:var(--font-display);font-weight:700;font-size:2.6rem;color:rgba(255,255,255,.9);letter-spacing:-0.02em;position:relative;z-index:2;}
.port-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, transparent 40%, rgba(6,11,22,.55) 100%);}
.pattern-1{background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px);background-size:16px 16px;background-color:var(--navy-900);}
.pattern-2{background-image:repeating-linear-gradient(45deg, rgba(255,255,255,.08) 0 1px, transparent 1px 14px);background-color:var(--navy-800);}
.pattern-3{background-image:linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px);background-size:22px 22px;background-color:var(--navy-950);}
.pattern-4{background-image:radial-gradient(circle at 30% 30%, rgba(112,147,255,.35), transparent 55%);background-color:var(--navy-900);}
.pattern-5{background-image:repeating-linear-gradient(-45deg, rgba(255,255,255,.07) 0 1px, transparent 1px 12px);background-color:var(--navy-700);}
.pattern-6{background-image:radial-gradient(rgba(255,255,255,.13) 1.4px, transparent 1.4px);background-size:20px 20px;background-color:var(--navy-800);}

.port-body{padding:1.5rem 1.4rem 1.6rem;}
.port-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:0.6rem;}
.port-category{font-family:var(--font-mono);font-size:0.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-600);}
.port-year{font-family:var(--font-mono);font-size:0.68rem;color:var(--slate-500);}
.port-body h3{font-size:1.1rem;margin-bottom:0.5rem;}
.port-body > p{font-size:0.88rem;color:var(--slate-500);margin-bottom:1rem;}
.port-tags{display:flex;flex-wrap:wrap;gap:0.4rem;margin-bottom:1.1rem;}
.port-tags span{font-size:0.72rem;font-family:var(--font-mono);color:var(--slate-500);background:var(--paper);border:1px solid var(--line);padding:0.28rem 0.6rem;border-radius:6px;}
.port-toggle{
  display:flex;align-items:center;gap:0.5rem;
  font-size:0.86rem;font-weight:600;color:var(--ink-900);
  padding-block:0.2rem;
}
.port-toggle svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .35s var(--ease);}
.port-toggle[aria-expanded="true"] svg{transform:rotate(90deg);}
.port-detail{
  max-height:0;overflow:hidden;
  transition:max-height .5s var(--ease), margin-top .5s var(--ease);
}
.port-detail-inner{padding-top:1rem;border-top:1px solid var(--line);margin-top:1rem;display:flex;flex-direction:column;gap:0.6rem;}
.port-detail dt{font-family:var(--font-mono);font-size:0.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-500);}
.port-detail dd{font-size:0.86rem;color:var(--slate-700);margin-top:0.15rem;}

/* ==========================================================================
   11. PROCESS
   ========================================================================== */
.process-track{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  position:relative;
}
.process-track::before{
  content:"";
  position:absolute;top:1.1rem;left:0;right:0;
  height:1px;background:var(--line);
}
.process-step{padding-right:1.5rem;position:relative;}
.process-num{
  font-family:var(--font-mono);font-size:0.85rem;color:var(--blue-600);
  display:flex;align-items:center;gap:0.7rem;margin-bottom:1.4rem;
}
.process-num::after{content:"";flex:none;width:9px;height:9px;border-radius:50%;background:var(--white);border:2px solid var(--blue-600);}
.process-step h3{font-size:1.05rem;margin-bottom:0.5rem;}
.process-step p{font-size:0.87rem;color:var(--slate-500);}

/* ==========================================================================
   12. WHY US
   ========================================================================== */
.why-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  border-top:1px solid var(--line);
}
.why-item{
  padding:1.8rem 1.6rem;
  border-bottom:1px solid var(--line);
  display:flex;gap:1.1rem;
}
.why-item:nth-child(odd){border-right:1px solid var(--line);}
.why-mark{flex:none;width:8px;height:8px;margin-top:0.5rem;background:var(--blue-600);transform:rotate(45deg);}
.why-item h3{font-size:1rem;margin-bottom:0.4rem;}
.why-item p{font-size:0.88rem;color:var(--slate-500);}

/* ==========================================================================
   13. ABOUT
   ========================================================================== */
.about-grid{
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:clamp(2rem,5vw,5rem);
  align-items:center;
}
.about-copy p.lead{font-size:var(--fs-lead);color:var(--slate-700);margin-top:1.1rem;}
.about-stat-card{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:2.4rem;
  background:var(--paper);
  position:relative;
}
.about-quote{font-family:var(--font-display);font-size:clamp(1.2rem,1rem + 1vw,1.55rem);line-height:1.4;color:var(--ink-900);}
.about-quote-foot{margin-top:1.4rem;padding-top:1.2rem;border-top:1px solid var(--line);font-family:var(--font-mono);font-size:0.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--slate-500);}

/* ==========================================================================
   14. CTA
   ========================================================================== */
.cta-section{
  background:radial-gradient(ellipse 80% 100% at 50% 0%, var(--navy-800) 0%, var(--navy-950) 70%);
  color:var(--white);
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line-dark-soft) 1px, transparent 1px),linear-gradient(90deg, var(--line-dark-soft) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 60% 80% at 50% 50%, #000 0%, transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 60% 80% at 50% 50%, #000 0%, transparent 80%);
}
.cta-inner{position:relative;z-index:2;max-width:640px;margin-inline:auto;}
.cta-section h2{color:var(--white);font-size:clamp(2.2rem,1.7rem + 2.3vw,3.4rem);}
.cta-section p{color:var(--slate-300);font-size:var(--fs-lead);margin-top:1.1rem;}
.cta-section .btn{margin-top:2.2rem;}

/* ==========================================================================
   15. CONTACT
   ========================================================================== */
.contact-grid{
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:clamp(2rem,4vw,3.5rem);
  align-items:start;
}
.contact-form{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:clamp(1.6rem,3vw,2.6rem);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;}
.field{margin-bottom:1.2rem;}
.field label{display:block;font-size:0.78rem;font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--slate-500);margin-bottom:0.5rem;}
.field input,.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:0.85rem 1rem;
  font-size:0.95rem;
  background:var(--paper);
  transition:border-color .25s ease, background .25s ease;
}
.field input:focus,.field textarea:focus{border-color:var(--blue-600);background:var(--white);outline:none;}
.field textarea{resize:vertical;min-height:110px;}
.form-note{font-size:0.78rem;color:var(--slate-500);margin-top:0.9rem;}
.form-success{
  display:none;
  align-items:center;gap:0.7rem;
  padding:1rem 1.2rem;border-radius:var(--radius-sm);
  background:var(--blue-100);color:var(--blue-600);font-size:0.9rem;font-weight:500;margin-top:1rem;
}
.form-success.show{display:flex;}
.form-success svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;flex:none;}
.form-error{
  display:none;
  align-items:center;gap:0.7rem;
  padding:1rem 1.2rem;border-radius:var(--radius-sm);
  background:#FDEAEA;color:#C4342F;font-size:0.9rem;font-weight:500;margin-top:1rem;
}
.form-error.show{display:flex;}
.form-error svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;flex:none;}

.contact-info{
  border-radius:var(--radius-lg);
  padding:clamp(1.6rem,3vw,2.4rem);
  background:linear-gradient(160deg, rgba(255,255,255,.7), rgba(246,248,251,.55));
  border:1px solid var(--white);
  box-shadow:0 30px 60px -35px rgba(11,18,32,.22);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.info-block{padding-block:1.1rem;border-top:1px solid var(--line);}
.info-block:first-child{border-top:none;padding-top:0;}
.info-block .k{font-family:var(--font-mono);font-size:0.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-500);margin-bottom:0.4rem;}
.info-block .v{font-size:1rem;font-weight:600;font-family:var(--font-display);}
.info-block .v a{transition:color .25s ease;}
.info-block .v a:hover{color:var(--blue-600);}
.info-social{display:flex;gap:0.7rem;margin-top:1.4rem;}
.info-social a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  transition:border-color .3s ease, background .3s ease, transform .3s var(--ease);
}
.info-social a:hover{border-color:var(--blue-600);background:var(--blue-600);color:var(--white);transform:translateY(-2px);}
.info-social svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;}

/* ==========================================================================
   16. FOOTER
   ========================================================================== */
footer{background:var(--navy-950);color:var(--slate-300);}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:2.5rem;
  padding-block:var(--space-xl);
  border-bottom:1px solid var(--line-dark-soft);
}
.footer-brand p{color:var(--slate-400);font-size:0.9rem;margin-top:1rem;max-width:30ch;}
.footer-brand .brand-word{color:var(--white);}
.footer-brand .brand-mark{box-shadow:0 1px 2px rgba(0,0,0,.35), 0 0 0 1px rgba(255,255,255,.1);}
.footer-col h4{font-family:var(--font-mono);font-size:0.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-400);margin-bottom:1.1rem;font-weight:500;}
.footer-col ul{display:flex;flex-direction:column;gap:0.65rem;}
.footer-col a{font-size:0.9rem;color:var(--slate-300);transition:color .25s ease;}
.footer-col a:hover{color:var(--white);}
.footer-social{display:flex;gap:0.6rem;margin-top:1.3rem;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line-dark);
  display:grid;place-items:center;transition:border-color .3s ease, background .3s ease;
}
.footer-social a:hover{border-color:var(--blue-500);background:var(--blue-600);}
.footer-social svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;
  padding-block:1.5rem;
  font-size:0.82rem;color:var(--slate-400);
}
.footer-bottom-links{display:flex;gap:1.5rem;}
.footer-bottom-links a:hover{color:var(--white);}

/* ==========================================================================
   17. RESPONSIVE
   ========================================================================== */
@media (max-width:1080px){
  .nav-links{display:none;}
  .hamburger{display:block;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{justify-self:center;max-width:420px;margin-top:2rem;}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:1.6rem;}
  .stat-item:nth-child(3){border-left:1px solid var(--line);}
  .stat-item:nth-child(2n+1){border-left:none;}
  .svc-grid{grid-template-columns:repeat(2,1fr);}
  .ai-grid{grid-template-columns:1fr;}
  .ai-list{grid-template-columns:1fr;}
  .platforms-grid{grid-template-columns:1fr;}
  .device-stage{margin-top:1rem;}
  .port-grid{grid-template-columns:repeat(2,1fr);}
  .process-track{grid-template-columns:repeat(3,1fr);gap:2rem 0;}
  .process-track::before{display:none;}
  .about-grid{grid-template-columns:1fr;}
  .about-stat-card{order:-1;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .stack-row{grid-template-columns:1fr;gap:0.7rem;}
  .svc-grid{grid-template-columns:1fr;}
  .port-grid{grid-template-columns:1fr;}
  .process-track{grid-template-columns:1fr 1fr;}
  .why-grid{grid-template-columns:1fr;}
  .why-item:nth-child(odd){border-right:none;}
  .form-row{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .hero-foot{flex-wrap:wrap;}
}
@media (max-width:480px){
  .process-track{grid-template-columns:1fr;}
  .hero-status{position:static;width:100%;margin-top:1.5rem;}
}

/* ==========================================================================
   CASE STUDY DETAIL PAGE
   ========================================================================== */
.section-head h1{font-size:var(--fs-h2);}
.case-tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:1.5rem;}
.case-tags span{font-size:0.78rem;font-family:var(--font-mono);color:var(--slate-700);background:var(--paper);border:1px solid var(--line);padding:0.35rem 0.8rem;border-radius:6px;}
.case-visual{height:280px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-top:2.5rem;}
.case-visual .port-mark{font-family:var(--font-display);font-weight:600;font-size:3.5rem;color:rgba(255,255,255,0.85);}
.case-body-grid{display:grid;grid-template-columns:2fr 1fr;gap:3.5rem;margin-top:3rem;align-items:start;}
.case-block{margin-bottom:2.5rem;}
.case-block h2{font-family:var(--font-display);font-size:var(--fs-h3);font-weight:600;color:var(--ink-900);margin-bottom:0.8rem;}
.case-block p{color:var(--slate-700);line-height:1.7;}
.case-sidebar{position:sticky;top:110px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:1.8rem;}
.case-sidebar h4{font-family:var(--font-mono);font-size:0.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-500);margin-bottom:1rem;}
.case-sidebar dl{display:flex;flex-direction:column;gap:1rem;}
.case-sidebar dt{font-family:var(--font-mono);font-size:0.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-500);}
.case-sidebar dd{font-size:0.92rem;color:var(--ink-900);margin-top:0.2rem;}
.case-stat-callout{background:var(--blue-100);border-radius:12px;padding:1.4rem 1.6rem;margin-top:0.5rem;}
.case-stat-callout p{color:var(--blue-600);font-weight:500;font-size:0.95rem;margin:0;}
.case-more{margin-top:1rem;}
@media (max-width:900px){
  .case-body-grid{grid-template-columns:1fr;}
  .case-sidebar{position:static;}
}

/* ==========================================================================
   WHATSAPP FLOATING BUTTON
   ========================================================================== */
.whatsapp-float{
  position:fixed;
  right:1.5rem;bottom:1.5rem;
  z-index:150;
  width:58px;height:58px;
  background:#25D366;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(37,211,102,0.45),0 2px 6px rgba(11,18,32,0.15);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.whatsapp-float:hover{transform:scale(1.08);box-shadow:0 8px 26px rgba(37,211,102,0.55),0 2px 8px rgba(11,18,32,0.18);}
.whatsapp-float svg{width:30px;height:30px;fill:#ffffff;}
.whatsapp-float .wa-ping{
  position:absolute;inset:0;border-radius:50%;
  background:#25D366;
  animation:wa-pulse 2.4s ease-out infinite;
}
@keyframes wa-pulse{
  0%{opacity:0.55;transform:scale(1);}
  100%{opacity:0;transform:scale(1.7);}
}
@media (prefers-reduced-motion: reduce){
  .whatsapp-float .wa-ping{animation:none;display:none;}
}
@media (max-width:600px){
  .whatsapp-float{right:1.1rem;bottom:1.1rem;width:52px;height:52px;}
  .whatsapp-float svg{width:27px;height:27px;}
}