/* ====================================================================
   KI ROBOTICS — GLOBAL STYLESHEET
   Shared across all pages | Orange accent on warm paper white
   ==================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@300;400;500;700&family=Inter+Tight:wght@300;400;500;600;700&display=swap');

:root {
  /* Orange accent system */
  --orange: #ea6a1f;
  --orange-bright: #ff8c3d;
  --orange-deep: #b94a0d;
  --orange-glow: rgba(234, 106, 31, 0.32);
  --orange-soft: rgba(234, 106, 31, 0.08);
  /* Paper white base */
  --paper: #fafaf7;
  --paper-2: #f3f2ec;
  --paper-3: #ebeae3;
  --surface: #ffffff;
  --border: #e6e4dc;
  --border-strong: #d2cfc4;
  /* Ink text */
  --ink: #1a1612;
  --ink-2: #3a3530;
  --ink-dim: #6b6358;
  --ink-faint: #9a9388;
  --success: #4a9d4a;
  --danger: #c44545;
  /* Type */
  --display: 'Unbounded', sans-serif;
  --body: 'Inter Tight', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* Paper grain overlay */
body::after {
  content: ''; position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  pointer-events: none; opacity: 0.05; z-index: 1000;
  mix-blend-mode: multiply;
}

/* ====================================================================
   TOP UTILITY BAR
   ==================================================================== */
.util-bar {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 8px 0;
}
.util-bar .util-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 32px;
  display: flex; justify-content: space-between; align-items: center;
}
.util-links { display: flex; gap: 24px; }
.util-links a { opacity: 0.7; transition: opacity 0.2s; }
.util-links a:hover { opacity: 1; color: var(--orange-bright); }
.util-region { display: flex; align-items: center; gap: 8px; opacity: 0.8; }

/* ====================================================================
   MAIN NAVIGATION
   ==================================================================== */
nav.primary {
  position: sticky; top: 0; z-index: 900;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1400px; margin: 0 auto;
  padding: 18px 32px;
  display: flex; align-items: center; gap: 48px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--orange-bright), var(--orange-deep));
  display: grid; place-items: center;
  font-family: var(--display); font-weight: 700; font-size: 20px;
  color: white;
  border-radius: 2px;
  box-shadow: 0 4px 12px rgba(234,106,31,0.25);
}
.logo-text {
  font-family: var(--display); font-weight: 600; font-size: 19px;
  letter-spacing: -0.01em; color: var(--ink);
}
.logo-text .accent { color: var(--orange); }

.nav-links {
  display: flex; gap: 4px; flex: 1;
  list-style: none;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
  display: block;
  padding: 12px 18px;
  font-size: 14px; font-weight: 500;
  color: var(--ink-2);
  transition: color 0.2s;
  letter-spacing: 0.01em;
}
.nav-links > li > a:hover,
.nav-links > li.active > a { color: var(--orange); }
.nav-links > li.has-dropdown > a::after {
  content: '▾'; font-size: 9px; margin-left: 6px; opacity: 0.5;
}

.dropdown {
  position: absolute; top: 100%; left: 0;
  min-width: 280px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 18px 40px rgba(40,35,28,0.10);
  padding: 12px;
  opacity: 0; visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s;
  border-radius: 4px;
}
.nav-links > li.has-dropdown:hover .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown a {
  display: block;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-2);
  border-radius: 2px;
  transition: all 0.15s;
}
.dropdown a:hover {
  background: var(--orange-soft);
  color: var(--orange-deep);
}
.dropdown .dd-label {
  font-size: 14px; font-weight: 600;
}
.dropdown .dd-desc {
  display: block;
  font-size: 11px; color: var(--ink-dim); margin-top: 2px;
  font-family: var(--mono); letter-spacing: 0.04em;
}

.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 2px;
  transition: all 0.25s;
}
.nav-cta:hover {
  background: var(--orange);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(234,106,31,0.35);
}
.nav-cta::after { content: '→'; }

.menu-toggle { display: none; }

@media (max-width: 1100px) {
  .nav-links { display: none; }
  .menu-toggle {
    display: block; width: 32px; height: 32px;
    background: var(--ink); color: var(--paper);
    border-radius: 2px;
    font-size: 20px; line-height: 1;
  }
  .util-bar .util-links { display: none; }
}

/* ====================================================================
   BREADCRUMBS
   ==================================================================== */
.breadcrumbs {
  border-bottom: 1px solid var(--border);
  background: var(--paper-2);
}
.breadcrumbs-inner {
  max-width: 1400px; margin: 0 auto;
  padding: 16px 32px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-dim);
}
.breadcrumbs a { color: var(--ink-dim); transition: color 0.15s; }
.breadcrumbs a:hover { color: var(--orange); }
.breadcrumbs .sep { margin: 0 12px; opacity: 0.4; }
.breadcrumbs .current { color: var(--ink); }

/* ====================================================================
   PAGE HEADER (hero banner for inner pages)
   ==================================================================== */
.page-header {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 80% 30%, rgba(234,106,31,0.14) 0%, transparent 60%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  border-bottom: 1px solid var(--border);
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(234,106,31,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(234,106,31,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}
.page-header-inner {
  max-width: 1400px; margin: 0 auto;
  padding: 0 32px;
  position: relative;
}
.eyebrow {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 20px;
  display: inline-flex; align-items: center; gap: 12px;
}
.eyebrow::before {
  content: ''; width: 24px; height: 1px; background: var(--orange);
}
.page-title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.05; letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 900px;
  margin-bottom: 24px;
}
.page-title .italic { font-style: italic; font-weight: 400; color: var(--orange); }
.page-lead {
  font-size: 19px; line-height: 1.55;
  color: var(--ink-dim);
  max-width: 700px;
}

/* ====================================================================
   CONTAINERS & LAYOUT
   ==================================================================== */
.container {
  max-width: 1400px; margin: 0 auto;
  padding: 0 32px;
}
section.block {
  padding: 100px 0;
  position: relative;
}
section.block.tight { padding: 60px 0; }
section.block.alt { background: var(--paper-2); }
section.block.dark {
  background: var(--ink); color: var(--paper-2);
}
section.block.dark .section-title { color: var(--paper); }
section.block.dark .section-intro { color: rgba(250,250,247,0.7); }

.section-head {
  margin-bottom: 60px;
  max-width: 800px;
}
.section-tag {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 16px;
  display: inline-flex; align-items: center; gap: 12px;
}
.section-tag::before {
  content: ''; width: 32px; height: 1px; background: var(--orange);
}
.section-title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1; letter-spacing: -0.02em;
  color: var(--ink); margin-bottom: 20px;
}
.section-title .italic { font-style: italic; font-weight: 400; color: var(--orange); }
.section-intro {
  font-size: 17px; line-height: 1.6;
  color: var(--ink-dim);
}

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ====================================================================
   BUTTONS
   ==================================================================== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px;
  font-size: 14px; font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 2px;
  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--orange);
  color: white;
  box-shadow: 0 6px 16px rgba(234,106,31,0.25);
}
.btn-primary:hover {
  background: var(--orange-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(234,106,31,0.4);
}
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-secondary:hover {
  background: var(--ink); color: var(--paper);
}
.btn-ghost {
  background: transparent; color: var(--orange);
}
.btn-ghost:hover { gap: 14px; }
.btn::after { content: '→'; transition: transform 0.2s; }
.btn:hover::after { transform: translateX(3px); }

/* ====================================================================
   CARDS — reusable
   ==================================================================== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 32px;
  position: relative;
  transition: all 0.3s;
  border-radius: 2px;
}
.card:hover {
  border-color: var(--orange);
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(40,35,28,0.08);
}
.card-icon {
  width: 48px; height: 48px;
  background: var(--orange-soft);
  color: var(--orange);
  display: grid; place-items: center;
  margin-bottom: 20px;
  border-radius: 2px;
}
.card-title {
  font-family: var(--display); font-weight: 600;
  font-size: 19px;
  margin-bottom: 12px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.card-desc {
  font-size: 14px; line-height: 1.6;
  color: var(--ink-dim);
}
.card-link {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 20px;
  color: var(--orange);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.04em;
}
.card-link::after { content: '→'; transition: transform 0.2s; }
.card:hover .card-link::after { transform: translateX(4px); }

/* Product/category card with image area */
.card-feature {
  display: flex; flex-direction: column;
  padding: 0;
  overflow: hidden;
}
.card-feature-visual {
  height: 220px;
  background: linear-gradient(135deg, var(--paper-2), var(--paper-3));
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--border);
  display: grid; place-items: center;
}
.card-feature-body { padding: 28px 32px 32px; }
.card-feature-meta {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 8px;
}

/* ====================================================================
   STATS STRIP
   ==================================================================== */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-strip .stat {
  padding: 36px 28px;
  border-right: 1px solid var(--border);
  text-align: left;
}
.stats-strip .stat:last-child { border-right: none; }
.stats-strip .stat-value {
  font-family: var(--display); font-weight: 600;
  font-size: 42px;
  color: var(--ink); letter-spacing: -0.02em;
  display: flex; align-items: baseline; gap: 4px;
}
.stats-strip .stat-value .unit {
  font-size: 18px; color: var(--orange); font-weight: 500;
}
.stats-strip .stat-label {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ink-dim); margin-top: 8px;
}
@media (max-width: 800px) {
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .stats-strip .stat:nth-child(2) { border-right: none; }
  .stats-strip .stat:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
}

/* ====================================================================
   FOOTER
   ==================================================================== */
footer {
  background: var(--ink); color: var(--paper-2);
  padding: 80px 0 32px;
  position: relative;
  margin-top: 80px;
}
footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--orange), transparent);
}
.footer-inner {
  max-width: 1400px; margin: 0 auto;
  padding: 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand .logo-text { color: var(--paper); }
.footer-brand-desc {
  font-size: 14px; line-height: 1.6;
  color: rgba(250,250,247,0.55);
  margin-top: 20px; max-width: 320px;
}
.footer-col h4 {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 20px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 13px;
  color: rgba(250,250,247,0.65);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--orange-bright); }
.footer-bottom {
  border-top: 1px solid rgba(250,250,247,0.1);
  padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-bottom-left {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(250,250,247,0.4);
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px;
  border: 1px solid rgba(250,250,247,0.15);
  display: grid; place-items: center;
  color: rgba(250,250,247,0.6);
  border-radius: 2px;
  transition: all 0.2s;
}
.footer-social a:hover {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(234,106,31,0.08);
}
.footer-cert {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.15em;
  color: rgba(250,250,247,0.3);
  text-align: center; margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(250,250,247,0.06);
}
@media (max-width: 1000px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ====================================================================
   CTA STRIP
   ==================================================================== */
.cta-strip {
  background: linear-gradient(135deg, var(--ink) 0%, #2a221c 100%);
  color: var(--paper);
  padding: 80px 32px;
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(234,106,31,0.18) 0%, transparent 60%);
}
.cta-strip-inner {
  max-width: 1400px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  gap: 48px; position: relative;
}
.cta-strip h2 {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(28px, 3.5vw, 44px);
  letter-spacing: -0.01em;
  max-width: 700px;
}
.cta-strip h2 .accent { color: var(--orange-bright); font-style: italic; font-weight: 400; }
.cta-strip-actions { display: flex; gap: 16px; flex-shrink: 0; }
.cta-strip .btn-primary {
  background: var(--orange);
  color: white;
}
.cta-strip .btn-secondary {
  border-color: rgba(250,250,247,0.4);
  color: var(--paper);
}
.cta-strip .btn-secondary:hover {
  background: var(--paper); color: var(--ink); border-color: var(--paper);
}
@media (max-width: 900px) {
  .cta-strip-inner { flex-direction: column; text-align: center; }
}

/* ====================================================================
   FORMS
   ==================================================================== */
.form-grid { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: span 2; }
.form-group label {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ink-dim);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--ink);
  padding: 14px 16px;
  font-family: var(--body); font-size: 14px;
  border-radius: 2px;
  transition: all 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(234,106,31,0.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } .form-group.full { grid-column: span 1; } }

/* ====================================================================
   UTILITIES
   ==================================================================== */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: 32px; }
.mt-4 { margin-top: 32px; }

.tag-pill {
  display: inline-block;
  padding: 5px 12px;
  background: var(--orange-soft);
  color: var(--orange-deep);
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.15em; text-transform: uppercase;
  border-radius: 100px;
}

/* Fade-up animation */
.fade-up { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.16,1,0.3,1); }
.fade-up.visible { opacity: 1; transform: translateY(0); }