/* ===========================================================
   M N Muthanna — site stylesheet
   Design system: Kanit + Quattrocento, light theme,
   #00F7FF primary, #FF0087 secondary
   =========================================================== */

:root{
  --bg:#FFFFFF;
  --bg-alt:#F8FAFC;
  --ink:#111827;
  --muted:#6B7280;
  --line:#E5E7EB;
  --cyan:#00F7FF;
  --magenta:#FF0087;
  --grad:linear-gradient(90deg,#00F7FF 0%,#FF0087 100%);

  --wrap:1180px;
  --r-btn:12px;
  --r-card:16px;
  --shadow:0 1px 2px rgba(17,24,39,.04), 0 12px 32px rgba(17,24,39,.06);
  --shadow-lift:0 2px 4px rgba(17,24,39,.05), 0 22px 48px rgba(17,24,39,.10);

  --step:clamp(64px,7vw,112px);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Quattrocento",Georgia,serif;
  font-size:18px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block}

h1,h2,h3,h4,.u-kanit{
  font-family:"Kanit","Segoe UI",sans-serif;
  font-weight:300;
  line-height:1.1;
  letter-spacing:-0.005em;
  margin:0 0 .5em;
  color:var(--ink);
}

h1{font-size:clamp(2.6rem,6.2vw,4.6rem);font-weight:200;letter-spacing:-0.01em}
h2{font-size:clamp(2rem,3.8vw,2.9rem);font-weight:200}
h3{font-size:clamp(1.25rem,2vw,1.5rem);font-weight:300;letter-spacing:0}
h4{font-size:1.05rem;font-weight:500;letter-spacing:0}

p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}

a{color:inherit;text-decoration:none}

::selection{background:var(--magenta);color:#fff}

/* --- layout ------------------------------------------------ */

.wrap{width:min(100% - 44px,var(--wrap));margin-inline:auto}
.wrap--narrow{width:min(100% - 44px,860px);margin-inline:auto}

.section{padding-block:var(--step)}
.section--alt{background:var(--bg-alt)}
.section--tight{padding-block:clamp(44px,5vw,72px)}
.section--flush-top{padding-top:clamp(28px,4vw,48px)}

.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

@media (max-width:900px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:600px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
}

/* --- utility type ------------------------------------------ */

.eyebrow{
  font-family:"Kanit",sans-serif;
  font-weight:500;
  font-size:.75rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 18px;
  display:flex;
  align-items:center;
  gap:12px;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:var(--grad);
  flex:none;
}
.eyebrow--plain::before{display:none}

.lead{font-size:1.16rem;color:var(--muted);max-width:62ch}
.muted{color:var(--muted)}
.section-head{max-width:66ch;margin-bottom:44px}

/* --- signature: the transform pair ------------------------- */
/* Every service on this site turns one thing into another.
   The arrow device carries that idea across the whole site.  */

.tf{
  display:inline-flex;
  align-items:center;
  gap:.55em;
  flex-wrap:wrap;
}
.tf__from{
  font-family:"Quattrocento",serif;
  color:var(--muted);
  font-weight:400;
}
.tf__arrow{
  position:relative;
  display:inline-block;
  width:2.4em;
  height:2px;
  background:var(--grad);
  flex:none;
  border-radius:2px;
}
.tf__arrow::after{
  content:"";
  position:absolute;right:-1px;top:50%;
  width:.42em;height:.42em;
  border-top:2px solid var(--magenta);
  border-right:2px solid var(--magenta);
  transform:translateY(-50%) rotate(45deg);
}
.tf__to{
  font-family:"Kanit",sans-serif;
  font-weight:300;
  color:var(--ink);
}

/* --- buttons ----------------------------------------------- */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-family:"Kanit",sans-serif;
  font-weight:600;
  font-size:.95rem;
  letter-spacing:.01em;
  padding:14px 26px;
  border-radius:var(--r-btn);
  border:2px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn:hover{transform:translateY(-2px)}

.btn--primary{background:var(--cyan);color:var(--ink)}
.btn--primary:hover{background:var(--magenta);color:#fff}

.btn--secondary{background:transparent;border-color:var(--cyan);color:var(--ink)}
.btn--secondary:hover{background:var(--cyan);color:var(--ink)}

.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--magenta);color:var(--magenta)}

.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* inline text link: brand colours fail contrast as body text,
   so the gradient lives in the underline instead */
.tlink{
  font-family:"Kanit",sans-serif;
  font-weight:500;
  font-size:.95rem;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding-bottom:3px;
  background-image:var(--grad);
  background-repeat:no-repeat;
  background-size:100% 2px;
  background-position:0 100%;
  transition:color .18s ease,gap .18s ease;
}
.tlink:hover{color:var(--magenta);gap:12px}

/* --- header ------------------------------------------------ */

.progress{
  position:fixed;inset:0 auto auto 0;
  height:3px;width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:var(--grad);
  z-index:60;
}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:74px;
}

.brand{display:flex;align-items:center;flex:none}
.brand__sig{height:34px;width:auto;display:block}
@media (max-width:480px){.brand__sig{height:28px}}

/* full logo lockup: traced signature, divider, tagline */
.lockup{display:block;max-width:420px}
.lockup__sig{height:70px;width:auto;display:block;margin-bottom:14px}
.lockup__rule{display:flex;align-items:center;gap:8px}
.lockup__rule span{
  flex:1;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(0,247,255,0),var(--cyan));
}
.lockup__rule span:last-child{
  background:linear-gradient(90deg,var(--magenta),rgba(255,0,135,0));
}
.lockup__rule i{
  width:9px;height:9px;border-radius:50%;flex:none;
  background:var(--grad);
}
.lockup__tagline{
  margin:14px 0 0;
  font-family:"Kanit",sans-serif;font-weight:500;
  font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ink);line-height:1.6;
}
.lockup__tagline b{font-weight:500;color:var(--magenta);margin:0 4px}

.nav{display:flex;align-items:center;gap:26px}
.nav__link{
  font-family:"Kanit",sans-serif;
  font-weight:500;
  font-size:.88rem;
  color:var(--muted);
  padding:6px 0;
  position:relative;
  transition:color .18s ease;
}
.nav__link:hover{color:var(--ink)}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;
  height:2px;background:var(--grad);
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .2s ease;
}
.nav__link:hover::after,
.nav__link[aria-current="page"]::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--ink)}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  cursor:pointer;
  padding:0;
  align-items:center;justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--ink);
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

@media (max-width:1080px){
  .nav{
    position:fixed;inset:74px 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;
    border-bottom:1px solid var(--line);
    padding:12px 22px 26px;
    display:none;
    max-height:calc(100dvh - 74px);
    overflow:auto;
  }
  .nav.is-open{display:flex}
  .nav__link{
    font-size:1.05rem;padding:14px 0;
    border-bottom:1px solid var(--line);
  }
  .nav__link::after{display:none}
  .nav .btn{margin-top:18px}
  .nav-toggle{display:inline-flex}
}

/* --- hero -------------------------------------------------- */

.hero{
  padding-block:clamp(72px,10vw,132px) var(--step);
  position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;
  right:-180px;top:-160px;
  width:560px;height:560px;border-radius:50%;
  background:var(--grad);
  opacity:.10;
  filter:blur(20px);
  pointer-events:none;
}
.hero__inner{position:relative;z-index:1;max-width:920px}
.hero__name{margin-bottom:.24em}
.hero__rotator{
  min-height:2.6em;
  font-size:clamp(1.35rem,3vw,2.1rem);
  margin-bottom:26px;
}
.hero__rotator .tf{display:none}
.hero__rotator .tf.is-active{display:inline-flex}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  margin-top:38px;padding-top:24px;
  border-top:1px solid var(--line);
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.82rem;
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted);
}

/* --- cards ------------------------------------------------- */

.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
  transition:box-shadow .22s ease,transform .22s ease;
  display:flex;flex-direction:column;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad);
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .26s ease;
}
.card:hover{box-shadow:var(--shadow-lift);transform:translateY(-3px)}
.card:hover::before{transform:scaleX(1)}
.card__label{
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.7rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--magenta);
  margin-bottom:14px;
}
.card h3{margin-bottom:.45em}
.card p{font-size:.98rem;color:var(--muted)}
.card__foot{margin-top:auto;padding-top:20px}

.tagset{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.72rem;
  letter-spacing:.04em;
  border:1px solid var(--line);border-radius:999px;
  padding:5px 12px;color:var(--muted);
}

/* --- stats ------------------------------------------------- */

.stats{
  display:grid;grid-template-columns:repeat(6,1fr);
  border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;overflow:hidden;
}
.stat{padding:30px 22px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat__num{
  font-family:"Kanit",sans-serif;font-weight:200;
  font-size:clamp(1.9rem,3vw,2.5rem);line-height:1;
  letter-spacing:-.02em;
}
.stat__label{
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.74rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  margin-top:12px;
}
@media (max-width:1000px){
  .stats{grid-template-columns:repeat(3,1fr)}
  .stat:nth-child(3n){border-right:0}
  .stat:nth-child(-n+3){border-bottom:1px solid var(--line)}
}
@media (max-width:560px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .stat:nth-child(3n){border-right:1px solid var(--line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
}

/* --- timeline ---------------------------------------------- */

.timeline{position:relative;padding-left:34px;margin:0}
.timeline::before{
  content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;
  background:var(--grad);opacity:.55;
}
.tl-item{position:relative;padding-bottom:44px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:9px;
  width:12px;height:12px;border-radius:50%;
  background:#fff;border:2px solid var(--magenta);
}
.tl-item__when{
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.76rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  margin-bottom:8px;
}
.tl-item h3{margin-bottom:.3em}
.tl-item__where{
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.92rem;
  color:var(--magenta);margin-bottom:14px;
}
.tl-item ul{margin:14px 0 0;padding-left:20px;color:var(--muted);font-size:.98rem}
.tl-item li{margin-bottom:8px}

/* --- education list ---------------------------------------- */

.edu{list-style:none;margin:0;padding:0}
.edu li{
  border-top:1px solid var(--line);
  padding:24px 0;
  display:grid;grid-template-columns:1fr auto;
  gap:6px 28px;align-items:baseline;
}
.edu li:last-child{border-bottom:1px solid var(--line)}
.edu__deg{
  font-family:"Kanit",sans-serif;font-weight:300;
  font-size:1.2rem;letter-spacing:0;color:var(--ink);
}
.edu__inst{color:var(--muted);font-size:.98rem;grid-column:1;margin:0}
.edu__when{
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.74rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  grid-row:1;grid-column:2;text-align:right;white-space:nowrap;
}
@media (max-width:600px){
  .edu li{grid-template-columns:1fr}
  .edu__when{grid-row:auto;grid-column:1;text-align:left}
}

/* --- filters ----------------------------------------------- */

.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.filter{
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.85rem;
  padding:9px 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  cursor:pointer;transition:all .18s ease;
}
.filter:hover{border-color:var(--magenta);color:var(--ink)}
.filter.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.is-hidden{display:none !important}

/* --- case study block -------------------------------------- */

.case{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;overflow:hidden;box-shadow:var(--shadow);
}
.case__top{padding:30px 30px 6px;border-bottom:1px solid var(--line)}
.case__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.case__cell{padding:26px 30px;border-right:1px solid var(--line)}
.case__cell:last-child{border-right:0;background:var(--bg-alt)}
.case__cell h4{
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.72rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  margin-bottom:12px;
}
.case__cell p{font-size:.96rem}
.case__result{
  font-family:"Kanit",sans-serif;font-weight:300;font-size:1.5rem;
  line-height:1.2;margin-bottom:8px;
}
@media (max-width:900px){
  .case__grid{grid-template-columns:1fr 1fr}
  .case__cell:nth-child(2n){border-right:0}
  .case__cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:600px){
  .case__grid{grid-template-columns:1fr}
  .case__cell{border-right:0;border-bottom:1px solid var(--line)}
  .case__cell:last-child{border-bottom:0}
}

/* --- logo strip -------------------------------------------- */

.logos{
  display:flex;flex-wrap:wrap;gap:14px;
}
.logo-chip{
  flex:1 1 160px;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  min-height:84px;
  display:flex;align-items:center;justify-content:center;
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.85rem;
  color:var(--muted);background:#fff;text-align:center;padding:12px;
}

/* --- quote ------------------------------------------------- */

.quote{
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px;background:#fff;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
}
.quote__mark{
  width:30px;height:3px;background:var(--grad);margin-bottom:20px;border-radius:2px;
}
.quote p{font-size:1.05rem}
.quote__by{
  margin-top:auto;padding-top:22px;
  font-family:"Kanit",sans-serif;font-weight:600;font-size:.92rem;
}
.quote__role{
  font-family:"Kanit",sans-serif;font-weight:400;font-size:.8rem;
  color:var(--muted);letter-spacing:.04em;
}

/* --- CTA band ---------------------------------------------- */

.cta-band{
  border-radius:var(--r-card);
  padding:clamp(38px,5vw,62px);
  background:var(--bg-alt);
  border:1px solid var(--line);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
}
.cta-band h2{max-width:18ch}
.cta-band .lead{max-width:52ch}

/* --- contact ----------------------------------------------- */

.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;gap:40px}}

.field{margin-bottom:20px}
.field label{
  display:block;
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.78rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  margin-bottom:8px;
}
.field input,.field select,.field textarea{
  width:100%;
  font-family:"Quattrocento",serif;font-size:1rem;
  padding:13px 15px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;color:var(--ink);
}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--magenta);
  box-shadow:0 0 0 3px rgba(255,0,135,.12);
}

.direct{list-style:none;margin:0;padding:0}
.direct li{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;justify-content:space-between;gap:20px;align-items:baseline;
}
.direct li:last-child{border-bottom:1px solid var(--line)}
.direct__k{
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.76rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
}
.direct__v{font-family:"Kanit",sans-serif;font-weight:600;font-size:.98rem;text-align:right}

/* --- blog list --------------------------------------------- */

.post{
  border-top:1px solid var(--line);
  padding:30px 0;
  display:grid;grid-template-columns:150px 1fr auto;gap:30px;align-items:baseline;
}
.post:last-child{border-bottom:1px solid var(--line)}
.post__date{
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.76rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
}
.post h3{margin-bottom:.35em}
.post p{font-size:.98rem;color:var(--muted);margin:0}
@media (max-width:760px){
  .post{grid-template-columns:1fr;gap:12px}
}

/* --- footer ------------------------------------------------ */

.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-alt);
  padding-block:60px 34px;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;
  padding-bottom:44px;
}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;gap:34px}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}

.footer-grid h4{
  font-family:"Kanit",sans-serif;font-weight:500;font-size:.74rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  margin-bottom:18px;
}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:11px}
.footer-links a{
  font-family:"Kanit",sans-serif;font-weight:400;font-size:.92rem;color:var(--muted);
  transition:color .18s ease;
}
.footer-links a:hover{color:var(--magenta)}

.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:26px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-family:"Kanit",sans-serif;font-weight:400;font-size:.82rem;color:var(--muted);
}

/* --- motion & focus ---------------------------------------- */

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

:focus-visible{
  outline:3px solid var(--magenta);
  outline-offset:3px;
  border-radius:4px;
}

.skip{
  position:absolute;left:-9999px;top:0;
  background:var(--ink);color:#fff;padding:12px 20px;z-index:100;
  font-family:"Kanit",sans-serif;border-radius:0 0 var(--r-btn) 0;
}
.skip:focus{left:0}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
  .btn:hover,.card:hover{transform:none}
  .hero__rotator .tf{display:inline-flex;margin-right:1.6em}
}