/* Longview Technologies Ltd — landing page
   System: 12-col grid, 8px spacing scale, compact type scale, one easing curve, one 45° angle. */

@font-face{font-family:"Inter";src:url("assets/Inter-Regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("assets/Inter-Medium.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("assets/Inter-SemiBold.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}

:root{
  /* Brand: the only four colours */
  --navy:#102A43;
  --teal:#14B8A6;
  --off-white:#F8FAFC;
  --slate:#64748B;

  /* Tints: transparency of the four colours only */
  --line-light:var(--slate);
  --line-dark:var(--slate);
  --hair-hover:var(--navy);
  --card-fill:transparent;
  --text-1:var(--off-white);
  --text-2:var(--off-white);
}
@supports (color:color-mix(in srgb,red,blue)){
  :root{
    --line-light:color-mix(in srgb,var(--navy) 14%,transparent);
    --hair-hover:color-mix(in srgb,var(--navy) 45%,transparent);
    --card-fill:color-mix(in srgb,var(--navy) 3.5%,transparent);
    --line-dark:color-mix(in srgb,var(--off-white) 16%,transparent);
    --text-1:color-mix(in srgb,var(--off-white) 92%,transparent);
    --text-2:color-mix(in srgb,var(--off-white) 72%,transparent);
  }
}
:root{
  /* Spacing scale (8px base) */
  --s1:4px;--s2:8px;--s3:16px;--s4:24px;--s5:32px;--s6:48px;--s7:72px;--s8:112px;

  /* Type scale */
  --t-micro:11px;
  --t-small:13px;
  --t-body:16px;
  --t-card:clamp(16px,1.35vw,18px);
  --t-display:clamp(30px,3.4vw,46px);

  --ease:cubic-bezier(.2,.7,.2,1);
  --radius:6px;
  --margin:24px;
  --gutter:16px;
  --cut:var(--s4);           /* 45° chamfer size */
}
@media (min-width:768px){:root{--margin:56px;--cut:var(--s5)}}
@media (min-width:1200px){:root{--margin:96px}}

*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:var(--t-body);line-height:1.6;
  color:var(--navy);background:var(--off-white);
  font-feature-settings:"kern","calt";
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{width:min(1200px,100% - 2*var(--margin));margin-inline:auto}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.on-navy{background:var(--navy);color:var(--off-white)}
:focus-visible{outline:2px solid var(--navy);outline-offset:4px;border-radius:2px}
.on-navy :focus-visible,.on-navy:focus-visible{outline-color:var(--teal)}

.skip{position:absolute;left:var(--s3);top:-80px;z-index:20;background:var(--off-white);color:var(--navy);padding:var(--s3) var(--s4);border-radius:var(--radius);font-weight:600;font-size:16px}
.skip:focus{top:var(--s3);outline-color:var(--navy)}

.label{font-size:var(--t-micro);font-weight:600;letter-spacing:.16em;text-transform:uppercase}

/* ---------- Header ---------- */
.site-header{position:absolute;inset:0 0 auto 0;z-index:5;color:var(--off-white)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding-block:var(--s4)}
.logo{display:block;width:clamp(150px,13vw,176px);animation:fade .9s var(--ease) both}
.logo img{width:100%;height:auto}
.hdr-link{font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--text-2);padding:var(--s3) 0;transition:color .2s var(--ease);animation:fade .9s var(--ease) .15s both}
.hdr-link:hover{color:var(--off-white)}

/* ---------- Hero (compact) ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:var(--s8) 0 var(--s7);
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);
}
.hero .wrap{position:relative;z-index:2}
.hero-copy{max-width:600px}
.status{display:inline-flex;align-items:center;gap:var(--s2);color:var(--text-1);margin-bottom:var(--s3);animation:rise .9s var(--ease) .15s both}
.status i{width:7px;height:7px;border-radius:50%;background:var(--teal);flex:none}
h1{font-weight:600;font-size:var(--t-display);line-height:1.08;letter-spacing:-.03em;color:var(--off-white)}
h1 .w{display:inline-block;overflow:hidden;vertical-align:top;padding:.08em 0 .14em;margin:-.08em 0 -.14em}
h1 .w>span{display:inline-block;transform:translateY(110%);animation:rise-up .95s var(--ease) calc(.3s + var(--i) * .08s) forwards}
h1 .dot{color:var(--teal)}
h1 .m{display:none}
@media (max-width:560px){h1 .m{display:inline}}
.hero-text{margin-top:var(--s3);animation:rise .9s var(--ease) .7s both}
.hero-text p{color:var(--text-2);font-size:var(--t-body)}
.cta{display:flex;flex-wrap:wrap;gap:var(--s2);margin-top:var(--s4);animation:rise .9s var(--ease) .9s both}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--s2);min-height:44px;padding:0 var(--s4);border-radius:var(--radius);font-weight:600;font-size:14px;border:1.5px solid transparent;transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease)}
.btn svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:square;transition:transform .25s var(--ease)}
.btn-primary{background:var(--teal);color:var(--navy);border-color:var(--teal)}
.btn-primary:hover{background:var(--off-white);border-color:var(--off-white)}
.btn-primary:hover svg{transform:translate(3px,-3px)}
.btn-secondary{color:var(--off-white);border-color:var(--off-white)}
.btn-secondary:hover{background:var(--off-white);color:var(--navy)}

/* Hero drawing (small, secondary) */
.motif{position:absolute;z-index:1;right:var(--margin);top:50%;width:min(24vw,320px);aspect-ratio:1;transform:translateY(-50%) translate(calc(var(--px,0) * -12px),calc(var(--py,0) * -12px));transition:transform .8s var(--ease);pointer-events:none}
.motif-svg{width:100%;height:100%;overflow:visible}
.motif-svg *{fill:none;stroke:var(--off-white);stroke-width:1.2}
.motif-svg .construct{stroke-opacity:.12;animation:fade 1.6s var(--ease) .6s both}
.motif-svg .construct path{stroke-dasharray:2 7}
.motif-svg .dim{stroke-opacity:.26;animation:fade 1.6s var(--ease) 1.2s both}
.motif-svg .line{stroke-opacity:.5;stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2s var(--ease) var(--d,0s) forwards}
.motif-svg .wedge{fill:var(--teal);fill-opacity:0;stroke:var(--teal);stroke-opacity:0;animation:wedge 1.2s var(--ease) 1.7s forwards}
.motif-svg .node circle{fill:var(--off-white);fill-opacity:.55;stroke:none;animation:fade 1s var(--ease) 1.5s both}

/* ---------- Services (cards) ---------- */
.caps{padding-block:var(--s7) var(--s8)}
.caps-head{display:flex;align-items:center;gap:var(--s3);margin-bottom:var(--s4)}
.caps-head h2{color:var(--slate)}
.caps-head::after{content:"";flex:1;height:1px;background:var(--line-light)}
.cards{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s3)}
.card{
  position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:var(--s6);
  min-height:208px;padding:var(--s4);
  background:var(--card-fill);border:1px solid var(--line-light);border-radius:var(--radius);overflow:hidden;
  transition:transform .4s var(--ease),border-color .4s var(--ease);
}
.card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--teal);transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:var(--hair-hover)}
.card:hover::after{transform:scaleX(1)}
.card-top{display:flex;align-items:flex-start;justify-content:space-between}
.tile{width:48px;height:48px;background:var(--navy);display:grid;place-items:center;clip-path:polygon(12px 0,100% 0,100% 100%,0 100%,0 12px)}
.tile svg{width:24px;height:24px;fill:none;stroke:var(--off-white);stroke-width:1.5;stroke-linecap:square;stroke-linejoin:miter}
.card .n{font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--slate)}
.card h3{font-weight:500;font-size:var(--t-card);line-height:1.3;letter-spacing:-.01em;max-width:16ch}
@media (max-width:1023px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){
  .caps{padding-block:var(--s6) var(--s7)}
  .cards{gap:var(--s2)}
  .card{min-height:168px;padding:var(--s3);gap:var(--s5)}
  .tile{width:40px;height:40px;clip-path:polygon(10px 0,100% 0,100% 100%,0 100%,0 10px)}
  .tile svg{width:20px;height:20px}
  .card h3{font-size:15px}
}

/* ---------- Contact (compact) ---------- */
.contact{
  background:var(--navy);color:var(--off-white);
  clip-path:polygon(var(--cut) 0,100% 0,100% 100%,0 100%,0 var(--cut));
  padding-block:calc(var(--cut) + var(--s3)) var(--s4);
  font-size:var(--t-small);line-height:1.5;
}
.contact h2{font-weight:600;font-size:var(--t-small);letter-spacing:.1em;margin-bottom:var(--s3)}
dl{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--s3) var(--gutter)}
dl>div{grid-column:span 3;display:grid;gap:2px;align-content:start}
dl>div.w6{grid-column:span 6}
dt{font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--text-2)}
dd{color:var(--text-1)}
dd .sep{opacity:.5;margin-inline:var(--s2)}
.ul{position:relative;display:inline-block;padding-block:var(--s1);margin-block:calc(-1 * var(--s1))}
.ul::before,.ul::after{content:"";position:absolute;left:0;right:0;bottom:1px;height:1px;background:currentColor}
.ul::before{opacity:.3}
.ul::after{transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.ul:hover::after,.ul:focus-visible::after{transform:scaleX(1)}
.wa{color:var(--text-2);transition:color .2s var(--ease)}
.wa:hover{color:var(--off-white)}
@media (max-width:899px){
  dl>div{grid-column:span 6}
  dl>div.w6{grid-column:span 12}
}
@media (max-width:480px){dl>div{grid-column:span 12}}

/* ---------- Footer (tiny) ---------- */
.site-footer{background:var(--navy);color:var(--text-2);font-size:var(--t-micro);line-height:1.4}
.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--s1) var(--s4);padding-block:var(--s2) var(--s3);border-top:1px solid var(--line-dark)}
.site-footer .tag{color:var(--off-white);font-weight:500}

/* ---------- Motion ---------- */
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes rise{from{opacity:0;transform:translateY(var(--s3))}to{opacity:1;transform:none}}
@keyframes rise-up{from{transform:translateY(110%)}to{transform:none}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes wedge{to{fill-opacity:.16;stroke-opacity:.7}}

.js [data-reveal]{opacity:0;transform:translateY(var(--s3));transition:opacity .8s var(--ease) calc(var(--i,0) * 90ms),transform .8s var(--ease) calc(var(--i,0) * 90ms),border-color .4s var(--ease)}
.js [data-reveal].in{opacity:1;transform:none}
.js .card[data-reveal].in:hover{transform:translateY(-4px)}

@media (max-width:899px){.motif{width:56vw;right:-14%;top:58%;opacity:.35}}
@media (max-width:560px){.hero{padding-bottom:var(--s6)}.btn{flex:1 1 100%}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  h1 .w>span{transform:none}
  .motif{transform:translateY(-50%)}
  .motif-svg .line{stroke-dashoffset:0}
  .motif-svg .wedge{fill-opacity:.16;stroke-opacity:.7}
  .js [data-reveal]{opacity:1;transform:none}
}