/* ============================================
   THE THINK DIGITAL — Design Tokens
   Direction: engineering blueprint meets growth signal.
   ============================================ */

:root{
  --navy:        #0E1F3C;
  --navy-deep:   #081426;
  --navy-soft:   #142A4E;
  --paper:       #F7F5F0;
  --paper-dim:   #EFEBE1;
  --ink:         #12151C;
  --ink-soft:    #4A5266;
  --amber:       #FFB020;
  --amber-dim:   #C98A17;
  --slate:       #2C4770;
  --mist:        #C9D3E0;
  --mist-dim:    #8496B3;
  --line:        rgba(201,211,224,0.16);
  --line-dark:   rgba(18,21,28,0.12);

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

  --container: 1180px;
  --radius: 3px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  margin:0;
  font-weight:600;
  letter-spacing:-0.01em;
}
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

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

/* -------- Focus visibility -------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
}

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

/* ============ Mono label / annotation ============ */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--amber-dim);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:16px; height:1px;
  background:var(--amber-dim);
  display:inline-block;
}
section.on-dark .eyebrow{ color:var(--amber); }
section.on-dark .eyebrow::before{ background:var(--amber); }

/* ============ Blueprint corner marks ============ */
.blueprint{
  position:relative;
}
.blueprint::before,.blueprint::after{
  content:"";
  position:absolute;
  width:14px; height:14px;
  border-color:var(--line-dark);
  border-style:solid;
  border-width:0;
}
section.on-dark .blueprint::before, section.on-dark .blueprint::after{
  border-color:var(--line);
}
.blueprint::before{ top:0; left:0; border-top-width:1px; border-left-width:1px; }
.blueprint::after{ bottom:0; right:0; border-bottom-width:1px; border-right-width:1px; }

/* ============ Header / Nav ============ */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(247,245,240,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-dark);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 32px;
  max-width:var(--container);
  margin:0 auto;
}
.logo{
  font-family:var(--font-display);
  font-weight:700;
  font-size:19px;
  letter-spacing:-0.01em;
  display:flex; align-items:center; gap:10px;
}
.logo .mark{
  width:10px; height:10px;
  background:var(--amber);
  border-radius:1px;
  display:inline-block;
  transform:rotate(45deg);
  flex-shrink:0;
}
.logo .sub{
  font-family:var(--font-mono);
  font-size:10px;
  color:var(--ink-soft);
  letter-spacing:0.08em;
  text-transform:uppercase;
  display:block;
  margin-top:2px;
  font-weight:400;
}
.nav-links{
  display:flex; gap:36px; align-items:center;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:0.03em;
}
.nav-links a{
  position:relative; padding:4px 0;
  color:var(--ink-soft);
  transition:color .18s ease;
}
.nav-links a:hover{ color:var(--ink); }
.nav-links a.active{ color:var(--ink); }
.nav-links a.active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-6px;
  height:2px; background:var(--amber);
}
.nav-cta{
  font-family:var(--font-mono);
  font-size:13px;
  padding:10px 18px;
  background:var(--navy);
  color:var(--paper) !important;
  border-radius:var(--radius);
  letter-spacing:0.03em;
  transition:background .18s ease, transform .18s ease;
}
.nav-cta:hover{ background:var(--slate); transform:translateY(-1px); }

.nav-toggle{
  display:none;
  background:none; border:none;
  width:32px; height:24px;
  position:relative;
}
.nav-toggle span{
  position:absolute; left:0; right:0; height:2px;
  background:var(--ink);
  transition:transform .25s ease, opacity .25s ease;
}
.nav-toggle span:nth-child(1){ top:2px; }
.nav-toggle span:nth-child(2){ top:11px; }
.nav-toggle span:nth-child(3){ top:20px; }
.nav-toggle.open span:nth-child(1){ transform:translateY(9px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-9px) rotate(-45deg); }

@media (max-width: 860px){
  .nav-links{
    position:fixed; top:66px; left:0; right:0;
    background:var(--paper);
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    border-bottom:1px solid var(--line-dark);
    max-height:0; overflow:hidden;
    transition:max-height .3s ease;
  }
  .nav-links.open{ max-height:400px; }
  .nav-links a, .nav-links .nav-cta{ width:100%; padding:16px 32px; }
  .nav-links a.active::after{ display:none; }
  .nav-links a.active{ background:var(--paper-dim); }
  .nav-cta{ text-align:center; margin:8px 32px 16px; width:calc(100% - 64px); }
  .nav-toggle{ display:block; }
}

/* ============ Sections ============ */
section{ padding:96px 0; }
section.on-dark{
  background:var(--navy);
  color:var(--paper);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:56px 56px;
}
section.tight{ padding:64px 0; }
.section-head{
  max-width:640px;
  margin-bottom:56px;
}
.section-head h2{
  font-size:clamp(28px,4vw,40px);
  line-height:1.15;
}
.section-head p{
  margin-top:16px;
  color:var(--ink-soft);
  font-size:17px;
}
section.on-dark .section-head p{ color:var(--mist); }

/* ============ Buttons ============ */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:0.03em;
  padding:14px 24px;
  border-radius:var(--radius);
  border:1px solid transparent;
  transition:transform .18s ease, background .18s ease, border-color .18s ease;
}
.btn-primary{
  background:var(--amber);
  color:var(--navy-deep);
  font-weight:600;
}
.btn-primary:hover{ transform:translateY(-2px); background:#ffc04d; }
.btn-ghost{
  border-color:var(--slate);
  color:var(--paper);
}
.btn-ghost:hover{ border-color:var(--amber); color:var(--amber); }
.btn-ghost.on-light{
  border-color:var(--ink-soft);
  color:var(--ink);
}
.btn-ghost.on-light:hover{ border-color:var(--navy); color:var(--navy); }
.btn-arrow{ transition:transform .18s ease; }
.btn:hover .btn-arrow{ transform:translateX(3px); }

/* ============ Hero ============ */
.hero{
  padding:72px 0 40px;
  position:relative;
  overflow:hidden;
}
.hero .wrap{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:clamp(38px,5.4vw,64px);
  line-height:1.06;
  color:var(--paper);
}
.hero h1 em{
  font-style:normal;
  color:var(--amber);
}
.hero-sub{
  margin-top:22px;
  font-size:18px;
  color:var(--mist);
  max-width:480px;
}
.hero-actions{
  margin-top:36px;
  display:flex; gap:16px; flex-wrap:wrap;
}
.hero-meta{
  margin-top:56px;
  display:flex; gap:36px;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--mist-dim);
  letter-spacing:0.04em;
  flex-wrap:wrap;
}
.hero-meta strong{
  display:block;
  font-family:var(--font-display);
  font-size:22px;
  color:var(--paper);
  font-weight:600;
}
@media (max-width:900px){
  .hero .wrap{ grid-template-columns:1fr; }
}

/* Signal chart signature element */
.signal-wrap{
  border:1px solid var(--line);
  border-radius:4px;
  padding:20px;
  background:rgba(255,255,255,0.02);
}
.signal-label{
  display:flex; justify-content:space-between;
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--mist-dim);
  letter-spacing:0.06em;
  margin-bottom:8px;
}
.signal-path{
  fill:none;
  stroke:var(--amber);
  stroke-width:2.5;
  stroke-linecap:round;
  stroke-linejoin:round;
  stroke-dasharray:900;
  stroke-dashoffset:900;
  animation:draw 2.4s cubic-bezier(.4,.1,.2,1) forwards .3s;
}
.signal-grid line{ stroke:var(--line); stroke-width:1; }
.signal-dot{
  fill:var(--paper);
  opacity:0;
  animation:dotpop .4s ease forwards 2.5s;
}
@keyframes draw{ to{ stroke-dashoffset:0; } }
@keyframes dotpop{ to{ opacity:1; } }

/* ============ Marquee / trust strip ============ */
.trust{
  border-top:1px solid var(--line-dark);
  border-bottom:1px solid var(--line-dark);
  padding:26px 0;
}
.trust .wrap{
  display:flex; align-items:center; gap:40px;
  flex-wrap:wrap;
  justify-content:space-between;
}
.trust-label{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--ink-soft);
  letter-spacing:0.06em;
  white-space:nowrap;
}
.trust-items{
  display:flex; gap:36px; flex-wrap:wrap;
  font-family:var(--font-display);
  font-weight:600;
  font-size:15px;
  color:var(--ink-soft);
  letter-spacing:0.01em;
}

/* ============ Card grids ============ */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line-dark);
  border:1px solid var(--line-dark);
}
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--line-dark);
  border:1px solid var(--line-dark);
}
@media (max-width:860px){
  .grid-3{ grid-template-columns:1fr; }
  .grid-2{ grid-template-columns:1fr; }
}

.card{
  background:var(--paper);
  padding:38px 32px;
  position:relative;
}
section.on-dark .card{ background:var(--navy); }
section.on-dark .grid-3, section.on-dark .grid-2{ background:var(--line); border-color:var(--line); }

.card-num{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--amber-dim);
  letter-spacing:0.08em;
}
section.on-dark .card-num{ color:var(--amber); }
.card h3{
  font-size:20px;
  margin-top:14px;
}
.card p{
  margin-top:12px;
  color:var(--ink-soft);
  font-size:15px;
}
section.on-dark .card p{ color:var(--mist); }
.card-tag{
  margin-top:18px;
  display:inline-block;
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--ink-soft);
  border:1px solid var(--line-dark);
  padding:3px 8px;
  border-radius:2px;
}

/* ============ Process (real sequence -> numbered) ============ */
.process-list{
  display:flex; flex-direction:column;
}
.process-item{
  display:grid;
  grid-template-columns:80px 1fr;
  gap:24px;
  padding:32px 0;
  border-top:1px solid var(--line);
}
.process-item:last-child{ border-bottom:1px solid var(--line); }
.process-num{
  font-family:var(--font-mono);
  font-size:14px;
  color:var(--amber);
  padding-top:4px;
}
.process-body h3{ font-size:22px; color:var(--paper); }
.process-body p{ margin-top:10px; color:var(--mist); max-width:560px; }
.process-tag{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--mist-dim);
  letter-spacing:0.05em;
  margin-top:10px;
  display:block;
}

/* ============ Stats ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.stat{
  background:var(--navy);
  padding:32px 24px;
}
.stat .num{
  font-family:var(--font-display);
  font-size:clamp(30px,4vw,44px);
  color:var(--amber);
  font-weight:700;
}
.stat .label{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--mist);
  margin-top:8px;
  letter-spacing:0.02em;
}
@media (max-width:860px){
  .stats{ grid-template-columns:repeat(2,1fr); }
}

/* ============ Case studies ============ */
.case-card{
  background:var(--paper);
  border:1px solid var(--line-dark);
  padding:0;
  display:flex; flex-direction:column;
  transition:border-color .2s ease;
}
.case-card:hover{ border-color:var(--slate); }
.case-visual{
  aspect-ratio:16/10;
  border-bottom:1px solid var(--line-dark);
  position:relative;
  overflow:hidden;
}
.case-body{ padding:26px; }
.case-tags{
  display:flex; gap:8px; flex-wrap:wrap;
  margin-bottom:14px;
}
.case-tags span{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  color:var(--ink-soft);
  border:1px solid var(--line-dark);
  padding:3px 7px;
  border-radius:2px;
}
.case-body h3{ font-size:20px; }
.case-body p{ color:var(--ink-soft); font-size:14.5px; margin-top:10px; }
.case-metric{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line-dark);
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--amber-dim);
  display:flex; justify-content:space-between;
}

/* ============ CTA band ============ */
.cta-band{
  background:var(--navy-deep);
  color:var(--paper);
  padding:80px 0;
  text-align:center;
}
.cta-band h2{
  font-size:clamp(28px,4.5vw,44px);
  max-width:720px;
  margin:0 auto;
  line-height:1.15;
}
.cta-band p{
  margin-top:16px; color:var(--mist);
}
.cta-band .hero-actions{ justify-content:center; margin-top:32px; }

/* ============ Footer ============ */
footer{
  background:var(--navy-deep);
  color:var(--mist);
  padding:64px 0 28px;
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{ color:var(--paper); }
.footer-brand p{
  margin-top:16px; font-size:14px; color:var(--mist-dim); max-width:280px;
}
.footer-col h4{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--mist-dim);
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  padding:6px 0;
  font-size:14.5px;
  color:var(--mist);
  transition:color .15s ease;
}
.footer-col a:hover{ color:var(--amber); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:24px; border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11.5px;
  color:var(--mist-dim);
  flex-wrap:wrap; gap:12px;
}
@media (max-width:860px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:560px){
  .footer-grid{ grid-template-columns:1fr; }
}

/* ============ Page hero (inner pages) ============ */
.page-hero{
  padding:64px 0 56px;
}
.page-hero h1{
  font-size:clamp(34px,5vw,52px);
  color:var(--paper);
  max-width:760px;
}
.page-hero p{
  margin-top:18px;
  color:var(--mist);
  font-size:17px;
  max-width:560px;
}
.breadcrumb{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--mist-dim);
  margin-bottom:20px;
  letter-spacing:0.04em;
}
.breadcrumb a:hover{ color:var(--amber); }

/* ============ Forms ============ */
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.form-grid .full{ grid-column:1/-1; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.04em;
  text-transform:uppercase;
  color:var(--ink-soft);
}
.field input, .field textarea, .field select{
  font-family:var(--font-body);
  font-size:15px;
  padding:13px 14px;
  border:1px solid var(--line-dark);
  border-radius:var(--radius);
  background:var(--paper);
  color:var(--ink);
  resize:vertical;
}
.field input:focus, .field textarea:focus, .field select:focus{
  border-color:var(--slate);
  outline:2px solid var(--amber);
  outline-offset:1px;
}
.field textarea{ min-height:140px; }
.form-note{
  margin-top:18px;
  font-size:13px;
  color:var(--ink-soft);
}
.form-success{
  display:none;
  margin-top:18px;
  padding:14px 16px;
  background:#EFF7EF;
  border:1px solid #BFE0BF;
  color:#2A5C2A;
  font-size:14px;
  border-radius:var(--radius);
}
.form-success.show{ display:block; }

@media (max-width:700px){
  .form-grid{ grid-template-columns:1fr; }
}

/* ============ Misc page bits ============ */
.two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
@media (max-width:860px){
  .two-col{ grid-template-columns:1fr; }
}
.value-list{ display:flex; flex-direction:column; gap:0; }
.value-item{
  padding:24px 0;
  border-top:1px solid var(--line-dark);
  display:grid;
  grid-template-columns:120px 1fr;
  gap:20px;
}
.value-item:last-child{ border-bottom:1px solid var(--line-dark); }
.value-item h4{ font-size:17px; }
.value-item p{ color:var(--ink-soft); font-size:14.5px; margin-top:8px; }
.value-tag{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--amber-dim);
  letter-spacing:0.06em;
  text-transform:uppercase;
  padding-top:3px;
}

.team-card{
  background:var(--paper);
  padding:28px;
}
.team-avatar{
  width:56px; height:56px;
  border-radius:2px;
  background:var(--navy);
  color:var(--amber);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display);
  font-weight:700;
  font-size:18px;
  margin-bottom:18px;
}
.team-card h3{ font-size:17px; }
.team-role{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--amber-dim);
  margin-top:4px;
  letter-spacing:0.03em;
}
.team-bio{ margin-top:14px; font-size:14px; color:var(--ink-soft); }

.filter-bar{
  display:flex; gap:10px; flex-wrap:wrap;
  margin-bottom:40px;
}
.filter-btn{
  font-family:var(--font-mono);
  font-size:12.5px;
  padding:9px 16px;
  border:1px solid var(--line-dark);
  border-radius:20px;
  color:var(--ink-soft);
  background:transparent;
  transition:all .18s ease;
}
.filter-btn:hover{ border-color:var(--navy); color:var(--navy); }
.filter-btn.active{
  background:var(--navy);
  border-color:var(--navy);
  color:var(--paper);
}

.faq-item{
  border-top:1px solid var(--line-dark);
  padding:24px 0;
}
.faq-item:last-child{ border-bottom:1px solid var(--line-dark); }
.faq-q{
  display:flex; justify-content:space-between; align-items:center;
  cursor:pointer;
  font-family:var(--font-display);
  font-weight:600;
  font-size:16.5px;
  gap:20px;
}
.faq-q .plus{
  font-family:var(--font-mono);
  font-size:18px;
  color:var(--amber-dim);
  flex-shrink:0;
  transition:transform .2s ease;
}
.faq-item.open .plus{ transform:rotate(45deg); }
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  color:var(--ink-soft);
  font-size:14.5px;
}
.faq-item.open .faq-a{ max-height:200px; margin-top:14px; }

.pricing-card{
  background:var(--paper);
  border:1px solid var(--line-dark);
  padding:36px 30px;
  display:flex; flex-direction:column;
}
.pricing-card.featured{
  border-color:var(--amber);
  position:relative;
}
.pricing-tag{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--amber-dim);
  letter-spacing:0.06em;
}
.pricing-name{ font-size:22px; margin-top:10px; }
.pricing-price{
  font-family:var(--font-display);
  font-size:36px;
  font-weight:700;
  margin-top:16px;
}
.pricing-price span{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--ink-soft);
  font-weight:400;
}
.pricing-feats{ margin-top:22px; display:flex; flex-direction:column; gap:12px; flex-grow:1; }
.pricing-feats li{
  font-size:14px; color:var(--ink-soft);
  display:flex; gap:10px; align-items:flex-start;
}
.pricing-feats li::before{
  content:"—";
  color:var(--amber-dim);
  flex-shrink:0;
}
.pricing-card .btn{ margin-top:28px; justify-content:center; width:100%; }

.contact-info-list{ display:flex; flex-direction:column; gap:28px; }
.contact-info-item h4{
  font-family:var(--font-mono);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color:var(--mist-dim);
}
.contact-info-item p, .contact-info-item a{
  margin-top:8px; font-size:16px; color:var(--paper);
}
.map-frame{
  border:1px solid var(--line-dark);
  aspect-ratio:16/9;
  overflow:hidden;
}