:root{
  --bg:#0b0b0d;
  --bg-alt:#111113;
  --surface:#18181b;
  --surface-2:#1f1f23;
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.16);
  --text:#f5f2ec;
  --text-dim:#a9a6a1;
  --text-dimmer:#77746f;
  --accent:#cd6b15;
  --accent-dim:#a3560f;
  --accent-soft:rgba(205,107,21,.13);
  --gold:#e8b04b;
  --radius:18px;
  --container:1200px;
  --ff-display:'Fraunces', serif;
  --ff-body:'Inter', sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--ff-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--ff-body);
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
}
.eyebrow::before{
  content:"";
  width:24px;height:1px;
  background:var(--accent);
  display:inline-block;
}

h1,h2,h3{
  font-family:var(--ff-display);
  font-weight:600;
  line-height:1.1;
  letter-spacing:-.01em;
}

.section-head{
  max-width:760px;
  margin-bottom:56px;
}
.section-head h2{
  font-size:clamp(28px,4vw,44px);
  margin-top:14px;
}
.section-tag{
  color:var(--text-dim);
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.section-head p{
  color:var(--text-dim);
  font-size:15px;
  margin-top:14px;
  max-width:640px;
}

section{
  padding:120px 0;
  position:relative;
}

/* ---------- reveal animation ---------- */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.in{
  opacity:1;
  transform:translateY(0);
}

/* ---------- TOPBAR ---------- */
.topbar{
  position:fixed;
  top:0;left:0;right:0;
  z-index:500;
  padding:22px 0;
  transition:background .35s ease, padding .35s ease, border-color .35s ease;
  border-bottom:1px solid transparent;
}
.topbar.scrolled{
  background:rgba(11,11,13,.86);
  backdrop-filter:blur(14px);
  padding:14px 0;
  border-color:var(--border);
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--ff-display);
  font-size:20px;
  font-weight:700;
  letter-spacing:-.01em;
}
.logo img{
  height:64px;
  width:auto;
  display:block;
}
.nav-links{
  display:flex;
  gap:36px;
  font-size:14px;
  font-weight:500;
  color:var(--text-dim);
}
.nav-links a{transition:color .2s ease;}
.nav-links a:hover{color:var(--text);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  border:1px solid var(--border-strong);
  border-radius:100px;
  font-size:13px;
  font-weight:600;
  transition:border-color .2s ease, background .2s ease;
}
.nav-cta:hover{
  border-color:var(--accent);
  background:var(--accent-soft);
}
@media (max-width:860px){
  .nav-links{display:none;}
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:16px 30px;
  border-radius:100px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn-primary{
  background:var(--accent);
  color:#0b0b0d;
  box-shadow:0 0 0 0 rgba(205,107,21,.4);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 30px -8px rgba(205,107,21,.55);
}
.btn-ghost{
  border:1px solid var(--border-strong);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:var(--accent);
  background:var(--accent-soft);
}

/* ---------- HERO ---------- */
.hero{
  min-height:100vh;
  display:flex;
  align-items:center;
  padding-top:140px;
  padding-bottom:100px;
  position:relative;
  background:
    radial-gradient(circle at 18% 20%, rgba(205,107,21,.14), transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(232,176,75,.10), transparent 40%),
    var(--bg);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 30% 30%, black, transparent 70%);
  pointer-events:none;
}
.hero .container{
  position:relative;
  z-index:2;
  max-width:840px;
}
.hero h3.eyebrow{
  font-size:clamp(18px,2.4vw,28px);
  letter-spacing:.1em;
  margin-bottom:28px;
}
.hero h3.eyebrow::before{
  width:36px;
}
.hero h1{
  font-size:clamp(42px,7.2vw,96px);
  margin-bottom:48px;
}
.hero h1 .accent-word{
  color:var(--accent);
  font-style:italic;
}
.hero .lead{
  font-size:clamp(16px,1.6vw,19px);
  color:var(--text-dim);
  max-width:640px;
  margin-bottom:44px;
}
.hero-stats-strip{
  display:none;
}

/* ---------- PROBLEMS ---------- */
.problems{background:var(--bg-alt);}
.problem-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
}
.problem-card{
  background:var(--bg-alt);
  padding:40px;
  transition:background .3s ease;
}
.problem-card:hover{background:var(--surface);}
.problem-card:nth-child(5){grid-column:1 / -1;}
.problem-num{
  font-family:var(--ff-display);
  font-size:15px;
  font-weight:700;
  color:var(--accent);
  margin-bottom:18px;
}
.problem-card h3{
  font-size:19px;
  font-weight:600;
  margin-bottom:10px;
  letter-spacing:0;
}
.problem-card p{
  color:var(--text-dim);
  font-size:14.5px;
  max-width:440px;
}
@media (max-width:760px){
  .problem-grid{grid-template-columns:1fr;}
  .problem-card:nth-child(5){grid-column:auto;}
}

/* ---------- MODEL (process) ---------- */
.model-list{
  display:flex;
  flex-direction:column;
}
.model-item{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:32px;
  padding:38px 0;
  border-top:1px solid var(--border);
  align-items:start;
}
.model-item:last-child{border-bottom:1px solid var(--border);}
.model-num{
  font-family:var(--ff-display);
  font-size:42px;
  font-weight:600;
  color:var(--text-dimmer);
  transition:color .3s ease;
}
.model-item:hover .model-num{color:var(--accent);}
.model-body h3{
  font-size:21px;
  font-weight:600;
  margin-bottom:10px;
}
.model-body p{
  color:var(--text-dim);
  max-width:640px;
  font-size:15px;
}
@media (max-width:640px){
  .model-item{grid-template-columns:1fr;gap:10px;}
  .model-num{font-size:30px;}
}

/* ---------- EXPERTISE ---------- */
.expertise{background:var(--bg-alt);}
.expertise-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.expertise-item{
  display:flex;
  align-items:center;
  gap:14px;
  padding:24px 22px;
  border:1px solid var(--border);
  border-radius:14px;
  background:var(--surface);
  font-size:14.5px;
  font-weight:500;
  transition:border-color .25s ease, transform .25s ease;
}
.expertise-item:hover{
  border-color:var(--accent);
  transform:translateY(-3px);
}
.expertise-item .dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--accent);
  flex-shrink:0;
}
@media (max-width:900px){.expertise-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.expertise-grid{grid-template-columns:1fr;}}

/* ---------- STATS ---------- */
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
}
.stat-card{
  background:var(--bg);
  padding:44px 28px;
  text-align:center;
}
.stat-num{
  font-family:var(--ff-display);
  font-size:clamp(30px,3.6vw,46px);
  font-weight:700;
  color:var(--accent);
  margin-bottom:8px;
  white-space:nowrap;
}
.stat-label{
  color:var(--text-dim);
  font-size:13.5px;
  font-weight:500;
}
@media (max-width:800px){.stats-grid{grid-template-columns:repeat(2,1fr);}}

/* ---------- CTA FINAL ---------- */
.cta-final{
  background:
    radial-gradient(circle at 80% 20%, rgba(205,107,21,.13), transparent 45%),
    var(--bg-alt);
  text-align:left;
}
.cta-final .section-head{margin-bottom:36px;}
.cta-final .lead{
  color:var(--text-dim);
  max-width:560px;
  font-size:16px;
  margin-bottom:8px;
}

/* ---------- FORM (shared styles, used inline + sidebar) ---------- */
.analysis-form{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.form-field{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.form-field label{
  font-size:12.5px;
  font-weight:600;
  color:var(--text-dim);
  letter-spacing:.02em;
}
.form-field input,
.form-field select{
  background-color:var(--surface-2);
  border:1px solid var(--border);
  border-radius:10px;
  padding:13px 15px;
  color:var(--text);
  font-size:14.5px;
  outline:none;
  transition:border-color .2s ease, background-color .2s ease;
}
.form-field select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a9a6a1' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 15px center;
  background-size:16px;
  padding-right:40px;
}
.form-field select option{
  background:var(--surface-2);
  color:var(--text);
}
.form-field input:focus,
.form-field select:focus{
  border-color:var(--accent);
  background-color:var(--surface);
}
.form-field input::placeholder{color:var(--text-dimmer);}
.form-submit{
  margin-top:8px;
  width:100%;
  justify-content:center;
  padding:16px 24px;
}
.form-note{
  font-size:12px;
  color:var(--text-dimmer);
  margin-top:2px;
}
.form-success{
  display:none;
  align-items:center;
  gap:12px;
  padding:18px;
  border-radius:12px;
  background:rgba(80,200,120,.1);
  border:1px solid rgba(80,200,120,.3);
  font-size:14px;
  color:#8fe0a8;
}
.form-success.show{display:flex;}
.form-error{
  display:none;
  align-items:center;
  gap:12px;
  padding:14px 18px;
  border-radius:12px;
  background:rgba(220,80,80,.1);
  border:1px solid rgba(220,80,80,.3);
  font-size:13px;
  color:#f0a3a3;
  margin-top:8px;
}
.form-error.show{display:flex;}
.analysis-form.submitted .form-field,
.analysis-form.submitted .form-submit,
.analysis-form.submitted .form-note{display:none;}

/* inline (in-page) form card */
.inline-form-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:40px;
  max-width:480px;
}
.inline-form-card h3{
  font-size:22px;
  margin-bottom:22px;
}
.cta-final-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:60px;
  align-items:start;
}
@media (max-width:900px){
  .cta-final-grid{grid-template-columns:1fr;}
}

/* ---------- SIDEBAR PERSISTENT FORM ---------- */
#formTab{
  position:fixed;
  top:50%;
  right:0;
  transform:translateY(-50%);
  z-index:1001;
  background:var(--accent);
  color:#0b0b0d;
  padding:22px 12px;
  border-radius:12px 0 0 12px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  box-shadow:-8px 0 24px -10px rgba(0,0,0,.45);
  transition:transform .35s ease, opacity .35s ease;
}
#formTab.hidden-tab{
  transform:translateY(-50%) translateX(120%);
  opacity:0;
  pointer-events:none;
}
#formTab .tab-text{
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  font-size:13px;
  font-weight:700;
  letter-spacing:.03em;
  white-space:nowrap;
}
#formTab .tab-icon{
  width:16px;height:16px;
  flex-shrink:0;
}
#formTab .tab-logo{
  width:22px;
  height:auto;
  flex-shrink:0;
}

#formPanelOverlay{
  position:fixed;
  inset:0;
  background:rgba(6,6,7,.55);
  backdrop-filter:blur(2px);
  z-index:999;
  opacity:0;
  pointer-events:none;
  transition:opacity .35s ease;
}
#formPanelOverlay.show{
  opacity:1;
  pointer-events:auto;
}

#formPanel{
  position:fixed;
  top:0;
  right:0;
  height:100vh;
  width:420px;
  max-width:92vw;
  background:var(--surface);
  border-left:1px solid var(--border-strong);
  z-index:1000;
  transform:translateX(100%);
  transition:transform .4s cubic-bezier(.19,1,.22,1);
  overflow-y:auto;
  padding:36px 32px 40px;
}
#formPanel.open{transform:translateX(0);}
.panel-close{
  position:absolute;
  top:24px;
  right:24px;
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--border-strong);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:border-color .2s ease, background .2s ease;
}
.panel-close:hover{border-color:var(--accent);background:var(--accent-soft);}
.panel-eyebrow{
  color:var(--accent);
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:14px;
  margin-top:30px;
}
#formPanel h3{
  font-size:24px;
  margin-bottom:14px;
}
#formPanel .panel-desc{
  color:var(--text-dim);
  font-size:14px;
  margin-bottom:26px;
}

@media (max-width:640px){
  #formPanel{width:100%;max-width:100%;}
  #formTab{
    top:auto;
    bottom:20px;
    right:16px;
    transform:none;
    flex-direction:row;
    border-radius:100px;
    padding:14px 20px;
  }
  #formTab.hidden-tab{
    transform:translateY(140%);
  }
  #formTab .tab-text{
    writing-mode:horizontal-tb;
    transform:none;
    font-size:13px;
  }
}

/* ---------- FOOTER ---------- */
footer{
  padding:50px 0;
  border-top:1px solid var(--border);
  background:var(--bg);
}
footer .container{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  justify-content:space-between;
  align-items:center;
}
.footer-brand{
  display:flex;
  align-items:center;
}
.footer-brand img{
  height:76px;
  width:auto;
  display:block;
}
.footer-copy{
  color:var(--text-dimmer);
  font-size:13px;
}

/* ---------- TAG GRID (industries / network categories) ---------- */
.tag-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
}
.tag-item{
  display:flex;
  align-items:center;
  gap:10px;
  padding:16px 18px;
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--surface);
  font-size:14px;
  font-weight:500;
  transition:border-color .25s ease, transform .25s ease;
}
.tag-item:hover{
  border-color:var(--accent);
  transform:translateY(-2px);
}
.tag-item .dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent);
  flex-shrink:0;
}
@media (max-width:900px){.tag-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.tag-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ACCORDION ---------- */
.faq-list{
  display:flex;
  flex-direction:column;
  border-top:1px solid var(--border);
}
.faq-item{
  border-bottom:1px solid var(--border);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:26px 4px;
  cursor:pointer;
  list-style:none;
  font-family:var(--ff-display);
  font-size:19px;
  font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item .faq-icon{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  border:1px solid var(--border-strong);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .3s ease, border-color .2s ease;
}
.faq-item .faq-icon svg{width:14px;height:14px;}
.faq-item[open] .faq-icon{
  transform:rotate(45deg);
  border-color:var(--accent);
}
.faq-item p{
  color:var(--text-dim);
  font-size:15px;
  max-width:720px;
  padding:0 4px 28px;
}