/* ============================================================
   ORBYT AI SYSTEMS — DESIGN SYSTEM
   Direction: Dark neon brand moments (nav, hero, CTAs, dividers)
   + calm light surfaces for content-heavy pages.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* ---- Brand (from logo sampling) ---- */
  --c-bg-dark: #04060f;
  --c-bg-dark-2: #0a0e1f;
  --c-cyan: #6fe3ff;
  --c-blue: #3b6bff;
  --c-violet: #8a5cf0;
  --c-magenta: #c150d8;

  /* ---- Light content surfaces ---- */
  --c-bg-light: #fbfaf7;
  --c-bg-light-2: #f2efe8;
  --c-bg-light-3: #ffffff;.section-label
  --c-ink: #15191b;
  --c-muted: #5b6168;
  --c-muted-on-dark: #9aa3bd;
  --c-line-light: #e4e0d6;
  --c-line-dark: rgba(255, 255, 255, 0.09);

  /* ---- Gradient shorthand ---- */
  --grad-brand: linear-gradient(90deg, var(--c-blue), var(--c-violet));
  --grad-trace: linear-gradient(90deg, var(--c-cyan), var(--c-violet), var(--c-magenta));
  --grad-text: linear-gradient(100deg, #ffffff 25%, var(--c-cyan) 55%, var(--c-violet) 90%);
  --grad-text-on-light: linear-gradient(100deg, var(--c-blue) 10%, var(--c-violet) 55%, var(--c-magenta) 95%);

  /* ---- Type ---- */
  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* ---- Spacing scale ---- */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* ---- Layout ---- */
  --content-max: 1180px;
  --radius: 10px;
  --radius-sm: 6px;
}

.nav-dropdown{
    position:relative;
}

.dropdown-menu{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    min-width:220px;
    background:#fff;
    box-shadow:0 8px 20px rgba(0,0,0,.15);
    z-index:1000;
}

.nav-dropdown:hover>.dropdown-menu{
    display:block;
}

.dropdown-menu a{
    display:block;
    padding:12px 16px;
    color:#333;
    text-decoration:none;
    white-space:nowrap;
}

.dropdown-menu a:hover{
    background:#f5f5f5;
}

/* IMPORTANT */
.dropdown-submenu{
    position:relative;
}

.dropdown-submenu-content{
    display:none;
    position:absolute;
    top:0;
    left:100%;
    min-width:220px;
    background:#fff;
    box-shadow:0 8px 20px rgba(0,0,0,.15);
    z-index:1001;
}

.dropdown-submenu:hover>.dropdown-submenu-content{
    display:block;
}

.nav-links .dropdown-submenu a:hover, .nav-links .dropdown-submenu  a.active {
    color:#333;
}
@media (max-width:768px){

    .nav-dropdown{
        display:block;
        width:100%;
    }

    .dropdown-menu{
        position:static;
        box-shadow:none;
        opacity:1;
        visibility:visible;
        transform:none;
        display:none;
        padding-left:15px;
    }

    .dropdown-menu.show{
        display:block;
    }
}

/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--c-ink);
  background: var(--c-bg-light);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

:focus-visible {
  outline: 2px solid var(--c-violet);
  outline-offset: 3px;
  border-radius: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============ LAYOUT PRIMITIVES ============ */
.wrap {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
  box-sizing: border-box;
}
@media (max-width: 900px) {
  .wrap { padding-left: var(--space-md); padding-right: var(--space-md); }
}

.dark-zone { background: var(--c-bg-dark); color: #eef1f7; }
.light-zone { background: var(--c-bg-light); color: var(--c-ink); }

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; line-height: 1.12; }
h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin-bottom: var(--space-sm);
  display: block;
}
.light-zone .eyebrow { color: #8a5cf0; }

.section-label {
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8a5cf0;
  margin-bottom: 0.7rem;
  display: block;
}
.dark-zone .section-label { color: var(--c-cyan); }

.body-text { color: var(--c-muted); line-height: 1.7; font-size: 1rem; max-width: 640px; }
.dark-zone .body-text { color: var(--c-muted-on-dark); }
.body-text.lg { font-size: 1.08rem; }

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-on-light {
  background: var(--grad-text-on-light);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============ NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(4, 6, 15, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-line-dark);
}
.nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1.1rem var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: #eef1f7;
  flex-shrink: 1;
  min-width: 0;
  overflow: hidden;
}
.nav-logo-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-cta { flex-shrink: 0; }
.nav-toggle { flex-shrink: 0; }
.nav-logo img { height: 60px; width: auto; border-radius: 4px; }
.nav-links {
  display: flex;
  gap: 1.9rem;
  font-size: 0.86rem;
  color: var(--c-muted-on-dark);
  flex-wrap: wrap;
}
.nav-links a { white-space: nowrap; transition: color 0.15s ease; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-cta {
  background: var(--grad-brand);
  color: #fff;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  white-space: nowrap;
  transition: opacity 0.15s ease;
}
.nav-cta:hover { opacity: 0.88; }

.nav-toggle { display: none; }
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: block;
    background: none;
    color: #eef1f7;
    font-size: 1.4rem;
    padding: 0.2rem 0.4rem;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-bg-dark-2);
    padding: var(--space-md);
    border-bottom: 1px solid var(--c-line-dark);
    gap: 1.2rem;
  }
}

@media (max-width: 560px) {
  .nav-inner { padding: 0.8rem 1rem; gap: 0.5rem; }
  .nav-logo { font-size: 0.62rem; gap: 0.4rem; letter-spacing: 0.02em; }
  .nav-logo img { height: 24px; }
  .nav-cta { padding: 0.5rem 0.7rem; font-size: 0.72rem; }
  .nav-toggle { font-size: 1.2rem; padding: 0.1rem 0.3rem; }
}

.nav-links-contact-mobile { display: none; }
@media (max-width: 480px) {
  .nav-cta { display: none; }
  .nav-links-contact-mobile { display: block; }
}

/* ============ HERO (dark, glow) ============ */
.hero {
  position: relative;
  padding: var(--space-2xl) 0 var(--space-xl);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -240px;
  right: -180px;
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, rgba(111, 227, 255, 0.16), rgba(138, 92, 240, 0.09) 42%, transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -200px;
  left: -160px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(193, 80, 216, 0.10), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 760px; width: 100%; box-sizing: border-box; }
.hero h1 { margin-bottom: var(--space-md); }
.hero .body-text { margin-bottom: var(--space-lg); font-size: 1.12rem; }

.hero-small { padding: var(--space-xl) 0 var(--space-lg); }
.hero-small h1 { font-size: clamp(1.9rem, 3.2vw, 2.6rem); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.btn:hover { opacity: 0.9; }
.btn-primary { background: var(--grad-brand); color: #fff; }
.btn-outline-dark { border: 1px solid var(--c-line-dark); color: #eef1f7; }
.btn-outline-dark:hover { background: rgba(255,255,255,0.04); }
.btn-outline-light { border: 1px solid var(--c-line-light); color: var(--c-ink); }
.btn-outline-light:hover { background: var(--c-bg-light-2); }
.btn-row { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ============ TRACE DIVIDER (signature element) ============ */
.trace-divider {
  height: 3px;
  background: var(--grad-trace);
}
.trace-divider.node {
  position: relative;
}
.trace-node {
  position: absolute;
  top: -4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-bg-light);
  border: 2px solid var(--c-violet);
}

/* ============ SECTIONS ============ */
.section { padding: var(--space-2xl) 0; }
.section.tight { padding: var(--space-xl) 0; }
.section-border-top { border-top: 1px solid var(--c-line-light); }
.dark-zone .section-border-top { border-top: 1px solid var(--c-line-dark); }
.section-head { max-width: 680px; margin-bottom: var(--space-lg); }

/* ============ CARDS ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
  .card-grid, .card-grid.cols-3, .card-grid.cols-2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .card-grid, .card-grid.cols-3, .card-grid.cols-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--c-bg-light-3);
  border: 1px solid var(--c-line-light);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.card:hover { border-color: var(--c-violet); transform: translateY(-2px); }
.card-title { font-weight: 700; font-size: 1rem; margin-bottom: 0.55rem; }
.card-body { font-size: 0.89rem; color: var(--c-muted); line-height: 1.6; }
.card-link {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-violet);
}

.dark-card {
  background: var(--c-bg-dark-2);
  border: 1px solid var(--c-line-dark);
  border-radius: var(--radius);
  padding: 1.6rem;
}
.dark-card .card-title { color: #eef1f7; }
.dark-card .card-body { color: var(--c-muted-on-dark); }

/* ============ MODULES (numbered list, real sequence content) ============ */
.module-list { margin-top: var(--space-md); }
.module-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1.2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--c-line-light);
}
.module-row:first-child { border-top: 1px solid var(--c-line-light); }
.module-num { font-family: var(--font-mono); color: var(--c-violet); font-size: 0.85rem; padding-top: 0.15rem; }
.module-title { font-weight: 700; margin-bottom: 0.4rem; font-size: 1.02rem; }
.module-body { font-size: 0.93rem; color: var(--c-muted); line-height: 1.65; max-width: 640px; }

/* ============ CALLOUT / NOTE ============ */
.callout {
  background: #fff8e6;
  border: 1px solid #f0dba8;
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.3rem;
  font-size: 0.86rem;
  color: #6b5419;
  line-height: 1.55;
  margin-top: var(--space-md);
}

/* ============ TABLE (comparison) ============ */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-md);
  font-size: 0.92rem;
}
.compare-table th, .compare-table td {
  padding: 0.85rem 1.1rem;
  border: 1px solid var(--c-line-light);
  text-align: left;
}
.compare-table th { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--c-muted); background: var(--c-bg-light-2); }
.compare-table td.old { color: var(--c-muted); }
.compare-table td.new { font-weight: 600; }

/* ============ FOOTER ============ */
.footer {
  background: var(--c-bg-dark);
  color: var(--c-muted-on-dark);
  padding: var(--space-xl) 0 var(--space-lg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--c-line-dark);
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-brand { font-family: var(--font-mono); color: #eef1f7; font-size: 0.95rem; margin-bottom: 0.8rem; }
.footer-tagline { font-size: 0.86rem; max-width: 260px; line-height: 1.6; }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: #eef1f7; font-weight: 500; margin-bottom: 0.9rem; }
.footer-col ul li { margin-bottom: 0.6rem; font-size: 0.88rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 0.8rem;
}

/* ============ CTA BANNER ============ */
.cta-banner {
  background: var(--c-bg-dark);
  color: #eef1f7;
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(138, 92, 240, 0.14), transparent 65%);
  pointer-events: none;
}
.cta-banner-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.cta-banner h2 { margin-bottom: 0.9rem; color: #fff; }
.cta-banner .body-text { margin: 0 auto var(--space-lg); color: var(--c-muted-on-dark); }
.cta-banner .btn-row { justify-content: center; }

/* ============ TAG / PILL ============ */
.pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(138, 92, 240, 0.12);
  color: var(--c-violet);
  margin-bottom: 0.8rem;
}

/* ============ SIGNATURE GRAPHIC PANELS (abstract, CSS/SVG based) ============ */
.graphic-panel {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: var(--c-bg-dark-2);
  border: 1px solid var(--c-line-dark);
}
.graphic-panel svg { width: 100%; height: 100%; display: block; }

/* Real product screenshots (dashboard previews) — framed, not cropped */
.graphic-panel.product-shot {
  height: auto;
  padding: 0;
  background: var(--c-bg-dark-2);
  border: 1px solid var(--c-line-dark);
  box-shadow: 0 24px 60px -20px rgba(10, 14, 31, 0.55);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.graphic-panel.product-shot::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, #6fe3ff, #8a5cf0 50%, #c150d8);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.5;
  pointer-events: none;
  z-index: 2;
}
.graphic-panel.product-shot img {
  width: 100%;
  height: auto;
  display: block;
  position: relative;
  z-index: 1;
}
.graphic-panel.product-shot:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 70px -18px rgba(10, 14, 31, 0.65);
}

/* ============ UTILITY ============ */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: 0.8rem; }
.gap-md { gap: 1.5rem; }
.mt-sm { margin-top: 0.8rem; }
.mt-md { margin-top: 1.5rem; }
.mt-lg { margin-top: 2.5rem; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}
@media (max-width: 860px) {
  .two-col-grid { grid-template-columns: 1fr; }
}

/* Content is visible by default (no-JS / JS-error safe).
   JS adds .fade-in-armed on load, which enables the transition;
   IntersectionObserver then toggles .visible for the animated reveal. */
.fade-in { opacity: 1; transform: none; }
.fade-in-armed .fade-in {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-armed .fade-in.visible { opacity: 1; transform: translateY(0); }