:root{
  /* Brand palette — Intodata Nexus Brand Guidelines v1.0 */
  --nexus-navy:#001e4d;
  --nexus-light:#ebebed;
  --signal-orange:#fe9543;
  --flow-purple:#6370b0;
  --data-green:#a0e06f;

  --canvas-950:#000d1f;
  --surface-900:#001e4d;
  --surface-800:#0b2f63;
  --line-700:#1c477f;

  --text-primary:#ebebed;
  --text-muted:#8fa2c2;

  --state-success:#a0e06f;
  --state-warning:#fe9543;
  --state-error:#ff5d5d;
  --state-info:#6370b0;

  --radius-sm:9px;
  --radius-md:14px;
  --radius-tile:22%;
  --stroke-icon:2px;

  --ease-spring: cubic-bezier(.16,1,.3,1);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:84px; }
body{
  font-family:'Lato','Segoe UI',system-ui,-apple-system,sans-serif;
  font-weight:300;
  color:var(--text-primary);
  background:var(--canvas-950);
  line-height:1.6;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,.font-heading{
  font-family:'Lato','Segoe UI',system-ui,-apple-system,sans-serif;
  font-weight:700;
  line-height:1.15;
  letter-spacing:-0.01em;
  color:#fff;
}

/* ---------- Type scale (Brandguidelines p.2) ---------- */
.nx-display{
  font-weight:900;
  font-size:clamp(2.5rem, 1.6rem + 3.6vw, 4.375rem); /* up to 70px */
  line-height:0.98;
  letter-spacing:0.005em;
  color:#fff;
}
.nx-display-sm{
  font-weight:900;
  font-size:clamp(2.2rem, 1.5rem + 2.8vw, 3.5rem); /* sub-page hero, between H1 and Display */
  line-height:1.04;
  letter-spacing:0.005em;
  color:#fff;
}
.nx-h1{
  font-weight:700;
  font-size:clamp(1.85rem, 1.4rem + 1.8vw, 2.75rem); /* up to 44px */
  line-height:1.12;
  letter-spacing:-0.01em;
  color:#fff;
}
.nx-h2{
  font-weight:700;
  font-size:clamp(1.5rem, 1.25rem + 1vw, 1.75rem); /* up to 28px */
  line-height:1.2;
  letter-spacing:-0.01em;
  color:#fff;
}
.nx-label{
  font-weight:700;
  font-size:0.9rem; /* ~16px context */
  line-height:1.2;
  letter-spacing:0.2em;
  text-transform:uppercase;
}
.nx-caption{
  font-weight:300;
  font-size:0.8rem; /* 12px */
  line-height:1.55;
  color:var(--text-muted);
}
.nx-mono, .mono{
  font-family:'Roboto Mono', ui-monospace, monospace;
  font-weight:400;
  font-size:0.78rem; /* 12.5px */
  line-height:1.85;
}
p{ color:var(--text-muted); }
.text-body-strong{ color:var(--text-primary); }

/* ---------- Backgrounds (Brandguidelines p.1: 4 approved treatments) ---------- */
.bg-canvas{ background:var(--canvas-950); }
.bg-canvas-grid{
  background-color:var(--canvas-950);
  background-image:radial-gradient(circle at 1px 1px, rgba(235,235,237,.08) 1px, transparent 0);
  background-size:28px 28px;
}
.bg-surface-900{ background:var(--surface-900); }
.bg-surface-800{ background:var(--surface-800); }
.bg-light-panel{ background:var(--nexus-light); color:var(--nexus-navy); }
.bg-light-panel p{ color:rgba(0,30,77,.7); }
.bg-light-panel h1,.bg-light-panel h2,.bg-light-panel h3,.bg-light-panel .font-heading{ color:var(--nexus-navy); }

.hero-glow{
  background:
    radial-gradient(900px 560px at 50% -8%, rgba(254,149,67,.16), transparent 60%);
}
.accent-glow-purple{ background:radial-gradient(700px 460px at 85% 15%, rgba(99,112,176,.20), transparent 60%); }
.accent-glow-green{ background:radial-gradient(700px 460px at 15% 85%, rgba(160,224,111,.14), transparent 60%); }

.grain{ position:relative; }
.grain::before{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.5; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
}

/* ---------- Buttons (radius 9, padding 13/26, Massilia/Lato Bold 14) ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  font-family:'Lato',sans-serif; font-weight:700; font-size:14px; line-height:1;
  padding:13px 26px; border-radius:var(--radius-sm);
  transition:transform .3s var(--ease-spring), box-shadow .3s var(--ease-spring), background-color .2s ease, border-color .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--signal-orange); color:var(--nexus-navy);
  box-shadow:0 1px 2px rgba(254,149,67,.2), 0 10px 24px -8px rgba(254,149,67,.45);
}
.btn-primary:hover{ transform:translateY(-2px); background:#ffab66; box-shadow:0 2px 4px rgba(254,149,67,.25), 0 16px 32px -8px rgba(254,149,67,.55); }
.btn-primary:active{ transform:translateY(0); }
.btn-primary:focus-visible{ outline:2px solid var(--signal-orange); outline-offset:2px; }

.btn-secondary{
  background:transparent; color:var(--text-primary); border:1px solid var(--flow-purple);
}
.btn-secondary:hover{ transform:translateY(-2px); background:rgba(99,112,176,.12); }
.btn-secondary:active{ transform:translateY(0); }
.btn-secondary:focus-visible{ outline:2px solid var(--signal-orange); outline-offset:2px; }

.btn-ghost{
  background:rgba(255,255,255,.07); color:var(--text-primary); border:1px solid var(--line-700);
}
.btn-ghost:hover{ transform:translateY(-2px); background:rgba(255,255,255,.11); border-color:rgba(99,112,176,.6); }
.btn-ghost:active{ transform:translateY(0); }
.btn-ghost:focus-visible{ outline:2px solid var(--signal-orange); outline-offset:2px; }

.btn-disabled, .btn[disabled]{ opacity:.4; pointer-events:none; }

/* ---------- Cards / panels (radius 14, border line-700) ---------- */
.card{
  position:relative; background:var(--surface-900); border:1px solid var(--line-700); border-radius:var(--radius-md);
  transition:transform .4s var(--ease-spring), border-color .3s ease, background-color .3s ease;
}
.card::after{
  content:""; position:absolute; inset:0; border-radius:var(--radius-md); opacity:0; pointer-events:none;
  box-shadow:0 2px 4px rgba(0,0,0,.2), 0 24px 48px -12px rgba(0,0,0,.45), 0 0 0 1px rgba(99,112,176,.25);
  transition:opacity .4s var(--ease-spring);
}
.card:hover{ transform:translateY(-4px); border-color:rgba(99,112,176,.5); background:var(--surface-800); }
.card:hover::after{ opacity:1; }

/* Feature chip: pill, 16px icon in flow-purple */
.chip{
  display:inline-flex; align-items:center; gap:.5rem; padding:.5rem .9rem; border-radius:999px;
  background:rgba(99,112,176,.12); border:1px solid rgba(99,112,176,.3); color:var(--text-primary);
  font-size:.8rem; font-weight:700;
}
.chip svg{ color:var(--flow-purple); width:16px; height:16px; flex-shrink:0; }

/* Section label pill w/ dot, used under nav breadcrumbs etc */
.tag-label{
  display:inline-flex; align-items:center; gap:.55rem;
  font-family:'Roboto Mono',monospace; font-weight:500; font-size:.7rem; letter-spacing:.12em;
  padding:.4rem .8rem; border-radius:999px; background:rgba(99,112,176,.14); border:1px solid rgba(99,112,176,.3);
  color:var(--text-muted); text-transform:uppercase;
}
.tag-label .dot{ width:6px; height:6px; border-radius:50%; background:var(--signal-orange); flex-shrink:0; }

.nx-icon path, .nx-icon circle, .nx-icon rect{ stroke-linecap:butt; stroke-linejoin:miter; }

/* ---------- Icon tiles ---------- */
.icon-tile{
  width:52px; height:52px; border-radius:var(--radius-md); display:flex; align-items:center; justify-content:center;
  background:rgba(99,112,176,.14); border:1px solid rgba(99,112,176,.25); color:var(--signal-orange); flex-shrink:0;
}
.icon-tile svg{ width:26px; height:26px; }

/* ---------- Logo (real asset, brand_assets/nexus-lockup-horizontal-navy.svg) ---------- */
/* Navy is the source color for light backgrounds; recolored to Nexus Light here for our dark canvas — a permitted logo color variant, not a redraw. */
.nx-logo-mark{ height:24px; width:auto; display:block; flex-shrink:0; }
.nx-logo-mark path{ fill:var(--nexus-light); }
.nx-logo-mark-sm{ height:19px; width:auto; display:block; flex-shrink:0; }
.nx-logo-mark-sm path{ fill:var(--nexus-light); }

/* ---------- Nav ---------- */
.nav-link{ position:relative; color:var(--text-primary); font-weight:700; font-size:.9rem; opacity:.72; transition:opacity .25s ease; }
.nav-link:hover{ opacity:1; }
.nav-link:focus-visible{ outline:2px solid var(--signal-orange); outline-offset:4px; border-radius:4px; }
.nav-link.active{ opacity:1; color:var(--signal-orange); }

.dropdown{ opacity:0; transform:translateY(8px) scale(.98); pointer-events:none; transition:opacity .25s var(--ease-spring), transform .25s var(--ease-spring); }
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown{ opacity:1; transform:translateY(0) scale(1); pointer-events:auto; }

header#site-header{ background:rgba(0,13,31,.5); backdrop-filter:blur(10px); border-bottom:1px solid rgba(255,255,255,.06); }
header#site-header.scrolled{ background:rgba(0,13,31,.88); box-shadow:0 12px 24px -12px rgba(0,0,0,.4); }

.mobile-menu{ max-height:0; overflow:hidden; transition:max-height .4s var(--ease-spring); }
.mobile-menu.open{ max-height:560px; }

/* ---------- Motion helpers ---------- */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease-spring), transform .7s var(--ease-spring); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

.badge-pulse{ animation:pulseOpacity 2.4s ease-in-out infinite; }
@keyframes pulseOpacity{ 0%,100%{opacity:1;} 50%{opacity:.5;} }

.float-slow{ animation:floatY 7s ease-in-out infinite; }
.float-slow-delay{ animation:floatY 7s ease-in-out infinite; animation-delay:1.4s; }
@keyframes floatY{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-10px);} }

/* ---------- Role stack (scroll-driven stacking cards, Kestra-style) ---------- */
.role-stack{ position:relative; }
.role-stack-item{ margin-bottom:1.25rem; }
.role-card{
  position:relative;
  background:var(--surface-900);
  border:1px solid var(--line-700);
  border-top:3px solid var(--role-color, var(--signal-orange));
  border-radius:var(--radius-md);
  padding:2rem 1.5rem;
}
.role-card-pill{
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.45rem .9rem; border-radius:999px; border:1px solid var(--line-700);
  font-family:'Lato',sans-serif; font-weight:700; font-size:.8rem;
}
@media (min-width:768px){
  .role-stack-item{ position:sticky; top:104px; margin-bottom:0; padding-bottom:2rem; }
  .role-card{ padding:2.5rem; box-shadow:0 24px 60px -30px var(--role-glow, transparent); }
}

/* ---------- Tabs (Solutions role switcher) ---------- */
.tab-btn{
  font-weight:700; font-size:.85rem; color:var(--text-primary); opacity:.55; padding:.8rem 1.2rem; border-radius:999px;
  transition:opacity .25s ease, background-color .25s ease, color .25s ease; white-space:nowrap; border:1px solid transparent;
}
.tab-btn.active{ opacity:1; background:var(--signal-orange); color:var(--nexus-navy); }
.tab-btn:not(.active):hover{ opacity:.85; background:rgba(255,255,255,.06); border-color:var(--line-700); }
.tab-panel{ display:none; }
.tab-panel.active{ display:block; }

/* ---------- Accordion (FAQ) ---------- */
.accordion-item{ border-bottom:1px solid var(--line-700); }
.accordion-trigger{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding:1.4rem 0; text-align:left; font-family:'Lato',sans-serif; font-weight:700; font-size:1rem;
  color:#fff; background:none; border:none; cursor:pointer;
}
.accordion-trigger:focus-visible{ outline:2px solid var(--signal-orange); outline-offset:4px; border-radius:4px; }
.accordion-icon{ transition:transform .35s var(--ease-spring); flex-shrink:0; color:var(--signal-orange); }
.accordion-item.open .accordion-icon{ transform:rotate(45deg); }
.accordion-panel{ max-height:0; overflow:hidden; transition:max-height .4s var(--ease-spring); }
.accordion-item.open .accordion-panel{ max-height:400px; }
.accordion-panel-inner{ padding-bottom:1.4rem; font-size:.92rem; max-width:640px; color:var(--text-muted); }

/* ---------- Forms ---------- */
.form-input{
  width:100%; padding:.85rem 1.1rem; border-radius:var(--radius-sm); border:1px solid var(--line-700);
  font-family:inherit; font-size:.92rem; color:var(--text-primary); background:rgba(255,255,255,.04);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-input::placeholder{ color:var(--text-muted); opacity:.7; }
.form-input:focus{ outline:none; border-color:var(--flow-purple); box-shadow:0 0 0 3px rgba(99,112,176,.2); }
.form-label{ font-weight:700; font-size:.8rem; margin-bottom:.4rem; display:block; color:var(--text-primary); }
.form-section-label{ font-family:'Lato',sans-serif; font-weight:700; font-size:.85rem; color:var(--text-primary); margin-bottom:.75rem; display:block; }
textarea.form-input{ resize:vertical; font-family:inherit; }
.form-checkbox{ display:flex; align-items:flex-start; gap:.65rem; cursor:pointer; font-size:.9rem; color:var(--text-primary); }
.form-checkbox input[type="checkbox"]{ accent-color:var(--signal-orange); width:18px; height:18px; margin-top:.05rem; flex-shrink:0; cursor:pointer; }

/* ---------- Integration chip grid ---------- */
.int-chip{
  display:flex; align-items:center; justify-content:center; height:56px; border-radius:var(--radius-md);
  background:rgba(255,255,255,.05); border:1px solid var(--line-700); color:var(--text-muted);
  transition:transform .35s var(--ease-spring), background-color .25s ease, border-color .25s ease, color .25s ease;
}
.int-chip svg{ width:24px; height:24px; }
.int-chip:hover{ transform:translateY(-4px); background:rgba(99,112,176,.14); border-color:var(--flow-purple); color:var(--text-primary); }

/* ---------- Comparison table ---------- */
.nx-table{ width:100%; border-collapse:collapse; font-size:.85rem; }
.nx-table th{ text-align:left; font-family:'Lato',sans-serif; font-weight:700; font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--text-muted); padding:.9rem 1rem; border-bottom:1px solid var(--line-700); }
.nx-table td{ padding:1rem; border-bottom:1px solid var(--line-700); color:var(--text-primary); vertical-align:top; }
.nx-table tr:last-child td{ border-bottom:none; }

::selection{ background:var(--signal-orange); color:var(--nexus-navy); }

::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-track{ background:var(--canvas-950); }
::-webkit-scrollbar-thumb{ background:var(--line-700); border-radius:6px; }