/* ==========================================================================
   Tenlyr — Design System
   Palette derived from brand mark (4 blocks): indigo → violet
   Type: Space Grotesk (display) / Inter (body) / IBM Plex Mono (labels)
   ========================================================================== */

:root{
  /* brand blocks */
  --indigo-900:#211D57;
  --indigo-700:#3B3488;
  --violet-500:#544BB8;
  --violet-300:#8079DE;

  /* neutrals */
  --bg:#FCFBFE;
  --bg-alt:#F3F1FA;
  --panel:#FFFFFF;
  --ink:#100D22;
  --ink-soft:#57536E;
  --ink-faint:#8B87A0;
  --line:#E4E1F0;
  --line-strong:#CFC9E8;

  /* semantics */
  --accent:var(--violet-500);
  --accent-ink:#FFFFFF;

  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;

  --container:1180px;
  --gutter:clamp(20px, 5vw, 64px);

  --ease:cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
button{font-family:inherit;}

.wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ---------- Typography ---------- */
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  font-weight:600;
  letter-spacing:-0.01em;
  margin:0;
  color:var(--ink);
}
h1{font-size:clamp(2.4rem,5.4vw,4.6rem); line-height:1.04; letter-spacing:-0.02em;}
h2{font-size:clamp(1.9rem,3.6vw,3rem); line-height:1.1; letter-spacing:-0.015em;}
h3{font-size:clamp(1.25rem,2vw,1.6rem); line-height:1.25;}
h4{font-size:1.05rem;}

p{margin:0;}
.lede{font-size:clamp(1.05rem,1.6vw,1.25rem); color:var(--ink-soft); max-width:46ch;}

em, i.hl{
  font-style:normal;
  color:var(--violet-500);
  font-family:inherit;
}

.mono{
  font-family:'IBM Plex Mono',monospace;
  font-size:0.78rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:'IBM Plex Mono',monospace;
  font-size:0.76rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-bottom:18px;
}

/* ---------- Block glyph — the brand signature ----------
   A tiny 2x2 grid of unequal blocks, echoing the logo mark.
   Used everywhere a bullet / numeral / icon-slot is needed. */
.blocks{
  --s1:5px; --s2:8px; --s3:9px; --s4:6px;
  display:inline-grid;
  grid-template-columns:var(--s2) var(--s3);
  grid-template-rows:var(--s1) var(--s4);
  gap:2px;
  flex:none;
}
.blocks i{border-radius:2px; display:block;}
.blocks i:nth-child(1){background:var(--indigo-900);}
.blocks i:nth-child(2){background:var(--indigo-700);}
.blocks i:nth-child(3){background:var(--violet-500);}
.blocks i:nth-child(4){background:var(--violet-300);}

.blocks.lg{--s1:10px; --s2:16px; --s3:19px; --s4:12px; gap:4px;}
.blocks.lg i{border-radius:4px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:'Space Grotesk',sans-serif;
  font-weight:600;
  font-size:0.96rem;
  padding:14px 24px;
  border-radius:999px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .35s var(--ease), background .25s, color .25s, border-color .25s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:var(--ink);
  color:#fff;
}
.btn-primary:hover{background:var(--violet-500);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line-strong);
}
.btn-ghost:hover{border-color:var(--ink); background:var(--panel);}
.btn-arrow{transition:transform .3s var(--ease);}
.btn:hover .btn-arrow{transform:translateX(3px);}

.reassure{
  font-family:'IBM Plex Mono',monospace;
  font-size:0.74rem;
  letter-spacing:0.04em;
  color:var(--ink-faint);
  text-transform:uppercase;
}

/* ---------- Nav ---------- */
.nav{
  position:fixed; top:0; left:0; right:0;
  z-index:100;
  background:rgba(252,251,254,0.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s, background .3s, box-shadow .3s;
}
.nav.is-scrolled{border-bottom-color:var(--line); box-shadow:0 8px 24px -20px rgba(16,13,34,0.3);}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{display:flex; align-items:center; gap:12px;}
.brand img{height:26px; width:auto;}
.nav-links{
  display:flex; align-items:center; gap:36px;
  font-family:'Space Grotesk',sans-serif;
  font-weight:500;
  font-size:0.95rem;
}
.nav-links a{
  position:relative; color:var(--ink-soft);
  transition:color .25s;
  padding:4px 0;
}
.nav-links a:hover, .nav-links a.active{color:var(--ink);}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-3px; width:0; height:2px;
  background:var(--violet-500); border-radius:2px;
  transition:width .3s var(--ease);
}
.nav-links a:hover::after, .nav-links a.active::after{width:100%;}
.nav-cta{display:flex; align-items:center; gap:20px;}
.nav-cta .btn{padding:11px 20px; font-size:0.9rem;}

.burger{display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px; cursor:pointer;}
.burger span{width:22px; height:2px; background:var(--ink); border-radius:2px; transition:transform .3s, opacity .3s;}

.mobile-panel{
  position:fixed; inset:76px 0 0 0; z-index:99;
  background:var(--bg);
  transform:translateY(-8px);
  opacity:0; pointer-events:none;
  transition:opacity .3s var(--ease), transform .3s var(--ease);
  padding:32px var(--gutter);
}
.mobile-panel.open{opacity:1; pointer-events:auto; transform:translateY(0);}
.mobile-panel a{
  display:block; font-family:'Space Grotesk',sans-serif; font-size:1.6rem; font-weight:600;
  padding:16px 0; border-bottom:1px solid var(--line); color:var(--ink);
}
.mobile-panel .btn{margin-top:28px; width:100%; justify-content:center;}

@media (max-width:860px){
  .nav-links, .nav-cta .btn-ghost{display:none;}
  .burger{display:flex;}
}

/* ---------- Section rhythm ---------- */
section{position:relative;}
.section{padding:120px 0;}
.section-tight{padding:80px 0;}
@media (max-width:720px){
  .section{padding:80px 0;}
  .section-tight{padding:56px 0;}
}

.section-head{
  display:flex; align-items:flex-end; justify-content:space-between; gap:40px;
  margin-bottom:56px;
}
.section-head h2{max-width:640px;}
.section-head .head-side{max-width:340px; text-align:right;}
@media (max-width:760px){
  .section-head{flex-direction:column; align-items:flex-start;}
  .section-head .head-side{text-align:left;}
}

hr.rule{border:none; border-top:1px solid var(--line); margin:0;}

/* reveal-on-scroll */
.reveal{opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.in{opacity:1; transform:translateY(0);}
.reveal-stagger > *{transition-delay:calc(var(--i,0) * 70ms);}

/* ---------- Hero blocks illustration ---------- */
.hero-rig{
  position:relative;
  width:100%;
  aspect-ratio:1/1;
}
.hero-rig .blk{
  position:absolute;
  border-radius:16px;
  animation:float 8s var(--ease) infinite;
}
@keyframes float{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-10px);}
}

/* ---------- Grid helpers ---------- */
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:28px;}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:28px;}
@media (max-width:900px){
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
}

/* ---------- Cards ---------- */
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:34px;
  transition:transform .4s var(--ease), border-color .3s, box-shadow .4s;
}
.card:hover{transform:translateY(-4px); border-color:var(--line-strong); box-shadow:0 24px 48px -28px rgba(33,29,87,0.28);}
.card h3{margin-bottom:12px;}
.card p{color:var(--ink-soft);}

.card-num{
  display:flex; align-items:center; gap:10px;
  margin-bottom:22px;
}
.card-num .mono{color:var(--violet-500); font-size:0.82rem;}

/* ---------- Logo strip ---------- */
.logo-strip{
  display:flex; align-items:center; gap:56px;
  overflow:hidden;
  padding:8px 0;
}
.logo-track{
  display:flex; align-items:center; gap:56px;
  animation:scroll-left 34s linear infinite;
  flex:none;
}
.logo-track img{
  height:26px; width:auto;
  object-fit:contain;
  filter:grayscale(1) contrast(0.7) brightness(0.5);
  opacity:0.55;
  transition:opacity .3s, filter .3s;
}
.logo-strip:hover .logo-track{animation-play-state:paused;}
.logo-track img:hover{opacity:1; filter:none;}
@keyframes scroll-left{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
@media (prefers-reduced-motion: reduce){
  .logo-track{animation:none;}
}

/* ---------- Tags / stack chips ---------- */
.tags{display:flex; flex-wrap:wrap; gap:8px; list-style:none; margin:0; padding:0;}
.tag{
  font-family:'IBM Plex Mono',monospace;
  font-size:0.72rem;
  letter-spacing:0.03em;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--ink-soft);
}
.reveal.in .tag{animation:tag-in .5s var(--ease) both;}
.reveal.in .tag:nth-child(1){animation-delay:.06s;}
.reveal.in .tag:nth-child(2){animation-delay:.11s;}
.reveal.in .tag:nth-child(3){animation-delay:.16s;}
.reveal.in .tag:nth-child(4){animation-delay:.21s;}
.reveal.in .tag:nth-child(5){animation-delay:.26s;}
.reveal.in .tag:nth-child(6){animation-delay:.31s;}
@keyframes tag-in{from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:translateY(0);}}

/* ---------- Case study ---------- */
.case{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--panel);
}
.case-media{
  position:relative;
  background:var(--indigo-900);
  overflow:hidden;
  min-height:340px;
}
.case-media img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:top;
  transition:transform .6s var(--ease);
}
.case:hover .case-media img{transform:scale(1.035);}
.case-body{padding:44px; display:flex; flex-direction:column; gap:20px;}
.case-kv{display:grid; gap:14px; margin:6px 0;}
.case-kv div{display:grid; grid-template-columns:96px 1fr; gap:14px; font-size:0.94rem;}
.case-kv .k{font-family:'IBM Plex Mono',monospace; font-size:0.72rem; text-transform:uppercase; letter-spacing:0.05em; color:var(--ink-faint); padding-top:3px;}
.case-kv .v{color:var(--ink-soft);}

@media (max-width:860px){
  .case{grid-template-columns:1fr;}
  .case-media{min-height:220px;}
  .case-body{padding:30px;}
}

/* ---------- Footer ---------- */
.footer{
  border-top:1px solid var(--line);
  padding:64px 0 32px;
  margin-top:40px;
}
.footer-top{
  display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap;
  padding-bottom:48px;
}
.footer-brand p{color:var(--ink-soft); max-width:32ch; margin-top:14px;}
.footer-cols{display:flex; gap:64px;}
.footer-col h4{font-family:'IBM Plex Mono',monospace; font-size:0.72rem; text-transform:uppercase; letter-spacing:0.06em; color:var(--ink-faint); font-weight:500; margin-bottom:16px;}
.footer-col a{display:block; color:var(--ink-soft); padding:6px 0; transition:color .2s;}
.footer-col a:hover{color:var(--ink);}
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px;
  padding-top:28px; border-top:1px solid var(--line);
  color:var(--ink-faint); font-size:0.85rem;
  font-family:'IBM Plex Mono',monospace;
}
@media (max-width:700px){
  .footer-cols{gap:36px; flex-wrap:wrap;}
}

/* ---------- Utilities ---------- */
.text-center{text-align:center;}
.mt-8{margin-top:8px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;} .mt-32{margin-top:32px;} .mt-48{margin-top:48px;} .mt-64{margin-top:64px;}
.mb-16{margin-bottom:16px;} .mb-24{margin-bottom:24px;} .mb-32{margin-bottom:32px;}
.flex{display:flex;} .items-center{align-items:center;} .gap-12{gap:12px;} .gap-16{gap:16px;}
.container-narrow{max-width:760px;}

.page-hero{
  padding:calc(76px + 72px) 0 60px;
}
.page-hero .eyebrow{margin-bottom:20px;}
.page-hero h1{max-width:760px;}
.page-hero .lede{margin-top:22px;}

/* ---------- Hero visual (home) — premium architecture diagram ---------- */
.hero-visual{width:100%;}
.hero-visual svg .float-core,
.hero-visual svg .float-a,
.hero-visual svg .float-b,
.hero-visual svg .float-c,
.hero-visual svg .float-d,
.hero-visual svg .float-e{
  animation:float-block 7s var(--ease) infinite;
  transform-box:fill-box;
  transform-origin:center;
}
.hero-visual svg .float-a{animation-delay:.1s;}
.hero-visual svg .float-b{animation-delay:.9s;}
.hero-visual svg .float-c{animation-delay:1.7s;}
.hero-visual svg .float-d{animation-delay:2.4s;}
.hero-visual svg .float-e{animation-delay:3.1s;}
.hero-visual svg .float-core{animation-duration:9s;}
@keyframes float-block{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-9px);}
}

/* slow-rotating orbit rings, opposite directions */
.hero-visual svg .orbit-ring{
  transform-box:view-box;
  transform-origin:300px 300px;
}
.hero-visual svg .orbit-slow{animation:orbit-spin 90s linear infinite;}
.hero-visual svg .orbit-rev{animation:orbit-spin-rev 70s linear infinite;}
@keyframes orbit-spin{ to{transform:rotate(360deg);} }
@keyframes orbit-spin-rev{ to{transform:rotate(-360deg);} }

@media (prefers-reduced-motion: reduce){
  .hero-visual svg .orbit-slow,
  .hero-visual svg .orbit-rev{animation:none;}
}

@media (max-width:900px){
  .hero-visual{max-width:360px; margin:0 auto;}
}

.hero-visual-cap{
  text-align:center;
  color:var(--ink-faint);
  margin-top:4px;
  font-size:0.68rem;
}

/* ---------- Hero proof strip ---------- */
.hero-proof{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-proof-item{
  font-size:0.86rem;
  color:var(--ink-soft);
  white-space:nowrap;
}
.hero-proof-item strong{
  color:var(--ink);
  font-family:'Space Grotesk',sans-serif;
  font-weight:600;
}
@media (max-width:480px){
  .hero-proof{gap:10px 16px;}
}

/* ---------- Process grid (home) ---------- */
.process-step{
  padding:36px 32px;
  border-right:1px solid var(--line);
  background:var(--panel);
  transition:transform .3s var(--ease);
}
.process-step:hover{transform:translateY(-3px);}
@media (max-width:900px){
  .process-grid{grid-template-columns:1fr !important;}
  .process-step{border-right:none !important; border-bottom:1px solid var(--line);}
  .process-step:last-child{border-bottom:none;}
}

/* ---------- Infra panel (home) ---------- */
.infra-panel{
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:var(--radius-lg);
  padding:8px;
}
.infra-features{padding:8px;}
.infra-row{
  display:flex; align-items:center; gap:14px;
  padding:16px 18px;
  font-family:'Space Grotesk',sans-serif;
  font-size:1rem;
  color:#EDEAFB;
  border-bottom:1px solid rgba(255,255,255,0.1);
  transition:background-color .25s;
}
.infra-row:hover{background:rgba(255,255,255,0.05);}
.infra-row:last-child{border-bottom:none;}
.infra-result{
  margin-top:8px;
  padding:24px 26px;
  background:rgba(255,255,255,0.06);
  border-radius:14px;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:64px;
  text-align:left;
}
.cta-band h2{max-width:600px;}
@media (max-width:700px){
  .cta-band{padding:36px 26px;}
}

/* ---------- Service detail block (services page) ---------- */
.service-block{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:48px;
  padding:56px 0;
}
.service-num{
  display:flex; flex-direction:column; gap:20px;
}
.service-num .mono{font-size:1rem; color:var(--ink-faint);}
@media (max-width:760px){
  .service-block{grid-template-columns:1fr; gap:20px;}
  .service-num{flex-direction:row; align-items:center;}
}

/* ---------- Case study — full detail (work page) ---------- */
.mini-shots{display:grid; grid-template-columns:1fr 1fr; gap:24px;}
.mini-shots img{border-radius:var(--radius-md); border:1px solid var(--line); width:100%; height:220px; object-fit:cover; object-position:top;}
@media (max-width:860px){
  .mini-shots{grid-template-columns:1fr;}
}

/* ---------- More-work grid (work page) ---------- */
.more-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.more-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:transform .35s var(--ease), box-shadow .35s;
}
.more-card:hover{transform:translateY(-4px); box-shadow:0 20px 40px -26px rgba(33,29,87,0.25);}
.more-shot{height:170px; overflow:hidden; background:var(--indigo-900);}
.more-shot img{width:100%; height:100%; object-fit:cover; object-position:top; transition:transform .5s var(--ease);}
.more-card:hover .more-shot img{transform:scale(1.05);}
.more-meta{display:flex; align-items:center; gap:14px; padding:18px 20px;}
.more-logo{height:28px; width:28px; object-fit:contain; border-radius:6px; flex:none;}
.more-meta h4{font-size:0.98rem;}
.more-meta p{color:var(--ink-soft); font-size:0.86rem; margin-top:2px;}
@media (max-width:900px){
  .more-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .more-grid{grid-template-columns:1fr;}
}

/* ---------- Origin list (about page) ---------- */
.origin-list{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--panel);
}
.origin-row{
  display:flex; align-items:center; gap:16px;
  padding:22px 28px;
  font-family:'Space Grotesk',sans-serif;
  font-size:1.15rem;
  border-bottom:1px solid var(--line);
  transition:background-color .25s;
}
.origin-row:hover{background:var(--bg-alt);}
.origin-row:last-child{border-bottom:none;}

/* ---------- Contact page ---------- */
.contact-points{display:flex; flex-direction:column; gap:18px;}
.contact-point{
  display:flex; align-items:flex-start; gap:14px;
  color:var(--ink-soft);
  font-size:0.96rem;
}
.contact-point .blocks{margin-top:4px;}

.contact-form{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:40px;
  display:flex; flex-direction:column; gap:22px;
}
.form-row{display:flex; flex-direction:column; gap:8px;}
.form-row label{
  font-family:'IBM Plex Mono',monospace;
  font-size:0.72rem;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--ink-faint);
}
.form-row input, .form-row select, .form-row textarea{
  font-family:'Inter',sans-serif;
  font-size:0.98rem;
  padding:13px 16px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-sm);
  background:var(--bg);
  color:var(--ink);
  outline:none;
  transition:border-color .2s, box-shadow .2s;
  resize:vertical;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  border-color:var(--violet-500);
  box-shadow:0 0 0 3px rgba(84,75,184,0.14);
}
@media (max-width:860px){
  .contact-form{padding:28px;}
}

/* two-column sections collapse on tablet/mobile */
@media (max-width:900px){
  .two-col{grid-template-columns:1fr !important;}
}