/* ===========================================================
   SANDHU WEB STUDIO — design tokens
   Palette: bright ink-on-paper base, violet as brand voice,
   coral + lime as two sparing accent pops.
=========================================================== */
:root{
  --bg:            #FDFCF9;
  --bg-soft:       #F3F1EA;
  --paper:         #FFFFFF;
  --ink:           #14141C;
  --ink-soft:      #5B5A66;
  --line:          #E4E1D6;

  --violet:        #4B3AF0;
  --violet-deep:   #2E20B8;
  --coral:         #FF5A4E;
  --lime:          #D8FF3F;

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

  --wrap: 1200px;
  --radius: 14px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family:inherit; cursor:pointer; }

.wrap{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 32px;
}

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline:3px solid var(--violet);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- eyebrow / mono labels ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--violet-deep);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{
  content:"";
  width:7px; height:7px;
  background:var(--coral);
  border-radius:50%;
  display:inline-block;
}

/* ---------- nav ---------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(253,252,249,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.nav-logo{
  font-family:var(--font-display);
  font-weight:700;
  font-size:19px;
  letter-spacing:-0.01em;
}
.nav-logo span{ color:var(--violet); }
.nav-links{ display:flex; gap:36px; align-items:center; }
.nav-links a{
  font-family:var(--font-mono);
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.04em;
  color:var(--ink-soft);
  position:relative;
  padding-bottom:4px;
}
.nav-links a.active,
.nav-links a:hover{ color:var(--ink); }
.nav-links a.active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-2px;
  height:2px; background:var(--coral);
}
.nav-cta{
  font-family:var(--font-mono);
  font-size:13px;
  text-transform:uppercase;
  background:var(--ink);
  color:var(--paper) !important;
  padding:10px 20px;
  border-radius:100px;
  transition:transform .18s ease, background .18s ease;
}
.nav-cta:hover{ background:var(--violet); transform:translateY(-1px); }
.nav-toggle{ display:none; background:none; border:0; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono);
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.03em;
  padding:15px 26px;
  border-radius:100px;
  border:1.5px solid var(--ink);
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary{
  background:var(--ink); color:var(--paper); border-color:var(--ink);
}
.btn-primary:hover{ background:var(--violet); border-color:var(--violet); transform:translateY(-2px); }
.btn-ghost{ background:transparent; color:var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:var(--paper); transform:translateY(-2px); }
.btn-arrow{ transition:transform .18s ease; }
.btn:hover .btn-arrow{ transform:translateX(3px); }

/* ---------- hero ---------- */
.hero{
  padding:76px 0 40px;
  position:relative;
  overflow:hidden;
}
.hero-shape{
  position:absolute;
  top:-120px; right:-140px;
  width:420px; height:420px;
  background:var(--lime);
  border-radius:44% 56% 60% 40% / 45% 42% 58% 55%;
  z-index:0;
  opacity:0.9;
}
.hero .wrap{ position:relative; z-index:1; }
.hero-head{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(42px,7vw,88px);
  line-height:0.98;
  letter-spacing:-0.02em;
  max-width:920px;
  margin:22px 0 26px;
}
.hero-head .outline{
  -webkit-text-stroke:2px var(--ink);
  color:var(--bg);
}
.hero-head .fill-violet{ color:var(--violet); }
.hero-sub{
  font-size:19px;
  color:var(--ink-soft);
  max-width:520px;
  margin:0 0 36px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

/* ---------- marquee ---------- */
.marquee{
  background:var(--ink);
  color:var(--bg);
  overflow:hidden;
  white-space:nowrap;
  padding:16px 0;
  margin:56px 0 0;
}
.marquee-track{
  display:inline-flex;
  animation:scroll 26s linear infinite;
}
.marquee-track span{
  font-family:var(--font-mono);
  font-size:15px;
  text-transform:uppercase;
  letter-spacing:0.04em;
  padding:0 28px;
  display:inline-flex;
  align-items:center;
  gap:28px;
}
.marquee-track span::after{
  content:"◆"; color:var(--lime); font-size:10px;
}
@keyframes scroll{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

/* ---------- section shell ---------- */
.section{ padding:100px 0; }
.section-soft{ background:var(--bg-soft); }
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  margin-bottom:56px;
  flex-wrap:wrap;
}
.section-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(30px,4vw,46px);
  letter-spacing:-0.01em;
  max-width:640px;
  margin:14px 0 0;
}
.section-desc{
  max-width:340px;
  color:var(--ink-soft);
  font-size:15px;
}

/* ---------- services grid ---------- */
.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.service-card{
  background:var(--paper);
  padding:40px 32px;
  transition:background .2s ease, color .2s ease;
  position:relative;
}
.service-card:hover{ background:var(--ink); color:var(--bg); }
.service-card:hover .service-num{ color:var(--lime); }
.service-card:hover .service-tag{ color:var(--lime); border-color:var(--lime); }
.service-num{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--coral);
  margin-bottom:22px;
  display:block;
}
.service-name{
  font-family:var(--font-display);
  font-weight:700;
  font-size:23px;
  margin:0 0 12px;
}
.service-desc{
  font-size:14.5px;
  opacity:0.85;
  margin:0 0 22px;
}
.service-tags{ display:flex; flex-wrap:wrap; gap:8px; }
.service-tag{
  font-family:var(--font-mono);
  font-size:11px;
  text-transform:uppercase;
  border:1px solid var(--line);
  padding:5px 10px;
  border-radius:100px;
  color:var(--ink-soft);
}

/* ---------- process ---------- */
.process-list{ display:flex; flex-direction:column; }
.process-item{
  display:grid;
  grid-template-columns:80px 1fr 1fr;
  gap:24px;
  align-items:start;
  padding:32px 0;
  border-top:1px solid var(--line);
}
.process-item:last-child{ border-bottom:1px solid var(--line); }
.process-index{
  font-family:var(--font-mono);
  font-size:14px;
  color:var(--coral);
}
.process-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:24px;
}
.process-desc{ color:var(--ink-soft); font-size:15px; max-width:440px; }

/* ---------- work teaser ---------- */
.work-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.work-card{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--paper);
  display:block;
  transition:transform .22s ease, box-shadow .22s ease;
}
.work-card:hover{ transform:translateY(-6px); box-shadow:0 18px 40px rgba(20,20,28,0.1); }
.work-cover{
  height:200px;
  display:flex; align-items:flex-end;
  padding:18px;
  position:relative;
}
.work-cover span.wc-tag{
  font-family:var(--font-mono);
  font-size:11px;
  text-transform:uppercase;
  background:rgba(20,20,28,0.16);
  padding:6px 12px;
  border-radius:100px;
  color:var(--ink);
}
.work-body{ padding:22px; }
.work-name{ font-family:var(--font-display); font-weight:700; font-size:19px; margin:0 0 6px; }
.work-blurb{ font-size:14px; color:var(--ink-soft); margin:0; }

/* cover color variants */
.cv-1{ background:linear-gradient(135deg,var(--violet),#8477FF); }
.cv-2{ background:linear-gradient(135deg,var(--coral),#FF9A6D); }
.cv-3{ background:linear-gradient(135deg,#141420,#3A3950); }
.cv-4{ background:linear-gradient(135deg,var(--lime),#9FE870); }
.cv-5{ background:linear-gradient(135deg,#2E20B8,var(--violet)); }
.cv-6{ background:linear-gradient(135deg,#FF9A6D,var(--coral)); }
.cv-1 .wc-tag, .cv-3 .wc-tag, .cv-5 .wc-tag{ color:#fff; background:rgba(255,255,255,0.18); }

/* ---------- stats ---------- */
.stats-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat{
  padding:36px 24px;
  border-left:1px solid var(--line);
}
.stat:first-child{ border-left:none; }
.stat-num{
  font-family:var(--font-display);
  font-weight:700;
  font-size:44px;
  color:var(--violet);
}
.stat-label{
  font-family:var(--font-mono);
  font-size:12px;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-top:6px;
}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink);
  color:var(--bg);
  border-radius:24px;
  padding:64px 56px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:32px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute; right:-60px; bottom:-60px;
  width:220px; height:220px;
  border-radius:50%;
  background:var(--violet);
  opacity:0.5;
  filter:blur(10px);
}
.cta-band h2{
  font-family:var(--font-display);
  font-size:clamp(28px,3.6vw,42px);
  max-width:520px;
  margin:0;
  position:relative; z-index:1;
}
.cta-band .btn-primary{ background:var(--lime); color:var(--ink); border-color:var(--lime); position:relative; z-index:1; }
.cta-band .btn-primary:hover{ background:var(--coral); border-color:var(--coral); color:#fff; }

/* ---------- footer ---------- */
.footer{ padding:64px 0 32px; }
.footer-top{
  display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap;
  padding-bottom:48px; border-bottom:1px solid var(--line);
}
.footer-logo{ font-family:var(--font-display); font-weight:700; font-size:26px; max-width:320px; }
.footer-logo span{ color:var(--violet); }
.footer-cols{ display:flex; gap:64px; flex-wrap:wrap; }
.footer-col h4{
  font-family:var(--font-mono); font-size:12px; text-transform:uppercase;
  color:var(--ink-soft); margin:0 0 16px;
}
.footer-col a, .footer-col p{
  display:block; font-size:14.5px; margin-bottom:10px; color:var(--ink);
}
.footer-col a:hover{ color:var(--violet); }
.footer-bottom{
  display:flex; justify-content:space-between; padding-top:24px;
  font-family:var(--font-mono); font-size:12px; color:var(--ink-soft);
  flex-wrap:wrap; gap:12px;
}

/* ---------- portfolio page ---------- */
.pf-hero{ padding:64px 0 48px; }
.pf-title{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(38px,6vw,72px); letter-spacing:-0.02em; margin:14px 0 18px;
}
.pf-sub{ max-width:520px; color:var(--ink-soft); font-size:17px; }

.filters{
  display:flex; gap:10px; flex-wrap:wrap;
  margin:40px 0 8px;
}
.filter-btn{
  font-family:var(--font-mono); font-size:13px; text-transform:uppercase;
  padding:10px 18px; border-radius:100px; border:1.5px solid var(--line);
  background:var(--paper); color:var(--ink-soft);
  transition:all .18s ease;
}
.filter-btn:hover{ border-color:var(--ink); color:var(--ink); }
.filter-btn.is-active{
  background:var(--ink); border-color:var(--ink); color:var(--bg);
}

.pf-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
  padding:48px 0 100px;
}
.pf-card{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--paper);
  transition:transform .22s ease, box-shadow .22s ease, opacity .2s ease;
}
.pf-card:hover{ transform:translateY(-6px); box-shadow:0 20px 44px rgba(20,20,28,0.12); }
.pf-card.is-hidden{ display:none; }
.pf-cover{
  height:220px; position:relative;
  display:flex; flex-direction:column; justify-content:space-between;
  padding:20px;
}
.pf-cover-top{ display:flex; justify-content:space-between; align-items:flex-start; }
.pf-year{ font-family:var(--font-mono); font-size:12px; color:rgba(20,20,28,0.55); }
.pf-mark{
  font-family:var(--font-display); font-weight:700; font-size:34px; opacity:0.9;
}
.pf-cat{
  font-family:var(--font-mono); font-size:11px; text-transform:uppercase;
  background:rgba(255,255,255,0.55); padding:6px 12px; border-radius:100px;
  align-self:flex-start;
}
.pf-body{ padding:22px; }
.pf-name{ font-family:var(--font-display); font-weight:700; font-size:20px; margin:0 0 8px; }
.pf-desc{ font-size:14px; color:var(--ink-soft); margin:0 0 16px; }
.pf-stack{ display:flex; flex-wrap:wrap; gap:8px; }
.pf-chip{
  font-family:var(--font-mono); font-size:11px; color:var(--ink-soft);
  border:1px solid var(--line); padding:4px 9px; border-radius:100px;
}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .services-grid{ grid-template-columns:1fr 1fr; }
  .work-grid{ grid-template-columns:1fr 1fr; }
  .pf-grid{ grid-template-columns:1fr 1fr; }
  .stats-strip{ grid-template-columns:1fr 1fr; }
  .stat:nth-child(3){ border-left:none; }
  .process-item{ grid-template-columns:60px 1fr; }
  .process-desc{ grid-column:2; }
}
@media (max-width:720px){
  .nav-links{
    position:absolute; top:76px; left:0; right:0;
    background:var(--paper); border-bottom:1px solid var(--line);
    flex-direction:column; align-items:flex-start; gap:0;
    display:none;
    padding:8px 32px 20px;
  }
  .nav-links.is-open{ display:flex; }
  .nav-links a{ padding:14px 0; width:100%; border-bottom:1px solid var(--line); }
  .nav-toggle{ display:block; }
  .services-grid, .work-grid, .pf-grid{ grid-template-columns:1fr; }
  .stats-strip{ grid-template-columns:1fr 1fr; }
  .cta-band{ padding:44px 28px; flex-direction:column; align-items:flex-start; }
  .section{ padding:64px 0; }
  .footer-top{ flex-direction:column; gap:32px; }
}