/* ============================================================
   NEURALSHEEP LM — DESIGN SYSTEM
   ============================================================ */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --bg:             #F2EBDD;
  --bg-alt:         #E9E0D0;
  --surface:        #FBF7EE;
  --button:         #E6D5B8;
  --button-hover:   #D7C19D;
  --text-primary:   #20231F;
  --text-secondary: #66665E;
  --border:         #D7CEBE;
  --dark:           #18231F;
  --accent:         #607767;

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  14px;

  --shadow-sm:  0 1px 4px rgba(32,35,31,0.06);
  --shadow-md:  0 4px 16px rgba(32,35,31,0.08);

  --transition: 250ms ease;
  --transition-md: 400ms ease;

  --section-gap: 112px;
  --container:   1140px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg);
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* ── Typography ─────────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }
p { color: var(--text-secondary); line-height: 1.75; }
strong { color: var(--text-primary); font-weight: 600; }

.label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ── Layout Helpers ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}
.section { padding-block: var(--section-gap); }
.section-alt { background: var(--bg-alt); }
.section-surface { background: var(--surface); }
.section-dark { background: var(--dark); color: var(--bg); }

.text-center { text-align: center; }
.text-muted { color: var(--text-secondary); }

.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background var(--transition), transform var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--dark);
  color: var(--bg);
}
.btn-primary:hover { background: #2c3b35; transform: translateY(-1px); }
.btn-secondary {
  background: var(--button);
  color: var(--text-primary);
}
.btn-secondary:hover { background: var(--button-hover); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-cream {
  background: var(--bg);
  color: var(--dark);
}
.btn-cream:hover { background: var(--surface); transform: translateY(-1px); }

.btn .arrow { transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(4px); }

/* ── Focus Styles ───────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Navigation ─────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--transition-md), border-color var(--transition-md), box-shadow var(--transition-md);
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(242,235,221,0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  flex-shrink: 0;
}
.nav-logo img { width: 36px; height: 36px; border-radius: var(--radius-sm); }
/* Footer logo: invert the dark-on-white PNG to show correctly on dark background */
.footer-brand .nav-logo img { filter: brightness(0) invert(1); }
.nav-logo .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.nav-logo .logo-name { font-size: 0.95rem; font-weight: 700; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--text-primary); background: var(--bg-alt); }
.nav-cta { flex-shrink: 0; }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: var(--radius-sm);
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

#mobile-menu {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0; bottom: 0;
  background: var(--bg);
  z-index: 99;
  padding: 32px 24px;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}
#mobile-menu.open { display: flex; }
#mobile-menu a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  display: block;
}
#mobile-menu .mobile-cta { margin-top: 24px; }

/* ── Hero ─────────────────────────────────────────────────────── */
#hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  padding-top: 100px;
  padding-bottom: 80px;
}
.hero-content { display: flex; flex-direction: column; gap: 28px; }
.hero-content h1 { letter-spacing: -0.03em; }
.hero-content h1 em { font-style: normal; color: var(--accent); }
.hero-body { font-size: 1.05rem; max-width: 480px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* Hero illustration */
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.workflow-diagram {
  width: 100%;
  max-width: 500px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.workflow-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.workflow-header h4 { font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-secondary); }
.workflow-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
}
.workflow-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }

.workflow-steps { display: flex; flex-direction: column; gap: 12px; }
.wf-step {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.wf-step.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(96,119,103,0.12);
}
.wf-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.wf-icon svg { width: 18px; height: 18px; color: var(--accent); }
.wf-info { flex: 1; min-width: 0; }
.wf-info .wf-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); }
.wf-info .wf-title { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.wf-connector {
  width: 2px; height: 10px;
  background: var(--border);
  margin-left: 31px;
  border-radius: 2px;
}
.wf-status {
  width: 24px; height: 24px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.wf-status.done { background: var(--accent); }
.wf-status.done svg { width: 12px; height: 12px; color: white; }
.wf-status.pending { background: var(--border); }
.wf-status.current { background: transparent; border: 2px solid var(--accent); }

/* ── Section Header ─────────────────────────────────────────── */
.section-header { margin-bottom: 64px; }
.section-header.centered { text-align: center; max-width: 640px; margin-inline: auto; margin-bottom: 64px; }
.section-header .label { margin-bottom: 12px; display: block; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { font-size: 1.05rem; }

/* ── Value Proposition ──────────────────────────────────────── */
.value-intro { max-width: 640px; margin-bottom: 64px; }
.value-intro h2 { margin-bottom: 20px; }
.value-intro p { font-size: 1.05rem; }
.value-blocks { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; margin-top: 64px; }
.value-block {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.value-block:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.value-icon {
  width: 44px; height: 44px;
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.value-icon svg { width: 22px; height: 22px; color: var(--accent); }
.value-block h3 { margin-bottom: 10px; }

/* ── Services ───────────────────────────────────────────────── */
.services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.service-card {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.service-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.service-num {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
}
.service-icon {
  width: 40px; height: 40px;
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}
.service-icon svg { width: 20px; height: 20px; color: var(--text-secondary); }
.service-card h3 { font-size: 1.05rem; }
.service-card p { flex: 1; font-size: 0.9rem; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
  transition: gap var(--transition);
}
.service-link:hover { gap: 10px; }

/* ── Problems / Before–After ─────────────────────────────────── */
.problems-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.problems-list { display: flex; flex-direction: column; gap: 10px; margin: 24px 0; }
.problem-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.problem-item::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
}

.before-after { margin-top: 64px; }
.before-after-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: start; }
.ba-panel {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.ba-panel.before { background: var(--surface); }
.ba-panel.after { background: var(--dark); color: var(--bg); border-color: transparent; }
.ba-panel .ba-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}
.ba-panel.before .ba-label { color: var(--text-secondary); }
.ba-panel.after .ba-label { color: var(--accent); }
.ba-steps { display: flex; flex-direction: column; gap: 8px; }
.ba-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}
.ba-panel.before .ba-step { color: var(--text-secondary); background: var(--bg-alt); }
.ba-panel.after .ba-step { color: rgba(242,235,221,0.85); background: rgba(255,255,255,0.06); }
.ba-panel.after .ba-step.highlight { background: rgba(96,119,103,0.25); color: var(--bg); font-weight: 600; }
.ba-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  font-size: 1.5rem;
  color: var(--accent);
  padding-top: 24px;
}
.ba-disclaimer {
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 20px;
  font-style: italic;
}

/* ── ClientFlow Demo ─────────────────────────────────────────── */
.demo-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.demo-steps-list { display: flex; flex-direction: column; gap: 8px; }
.demo-step-btn {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-align: left;
  width: 100%;
  transition: border-color var(--transition), background var(--transition);
  cursor: pointer;
}
.demo-step-btn:hover { border-color: var(--accent); background: var(--bg); }
.demo-step-btn.active { border-color: var(--accent); background: var(--bg); }
.dsb-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.demo-step-btn.active .dsb-num {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.dsb-text .dsb-title { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.dsb-text .dsb-desc { font-size: 0.8rem; color: var(--text-secondary); margin-top: 2px; }

.demo-panel {
  position: sticky;
  top: 100px;
  background: var(--dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}
.demo-panel-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.demo-panel-topbar .demo-dots { display: flex; gap: 6px; }
.demo-panel-topbar .demo-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}
.demo-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(96,119,103,0.9);
  background: rgba(96,119,103,0.15);
  padding: 3px 10px;
  border-radius: 20px;
}
.demo-panel-body { padding: 24px; }
.demo-client-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
}
.demo-client-card .dcl { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(242,235,221,0.4); margin-bottom: 4px; }
.demo-client-card .dcv { font-size: 0.9rem; font-weight: 600; color: rgba(242,235,221,0.9); }
.demo-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; }
.demo-meta-item { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-sm); padding: 12px; }
.demo-meta-item .dml { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.07em; color: rgba(242,235,221,0.35); margin-bottom: 4px; }
.demo-meta-item .dmv { font-size: 0.85rem; font-weight: 600; color: rgba(242,235,221,0.85); }

.demo-step-explanation {
  background: rgba(96,119,103,0.2);
  border: 1px solid rgba(96,119,103,0.3);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: opacity var(--transition-md);
}
.demo-step-explanation .dse-step { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 6px; font-weight: 700; }
.demo-step-explanation .dse-title { font-size: 0.95rem; font-weight: 700; color: var(--bg); margin-bottom: 8px; }
.demo-step-explanation .dse-body { font-size: 0.85rem; color: rgba(242,235,221,0.7); line-height: 1.6; }

/* ── Process / How We Work ─────────────────────────────────── */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 0;
  position: relative;
  margin-top: 64px;
}
.process-timeline::before {
  content: '';
  position: absolute;
  top: 30px;
  left: calc(12.5%);
  right: calc(12.5%);
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}
.process-num {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 24px;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  position: relative;
}
.process-step.visible .process-num {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--bg);
}
.process-step h3 { margin-bottom: 10px; }
.process-step p { font-size: 0.875rem; }

/* ── Industries ─────────────────────────────────────────────── */
.industry-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.industry-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.industry-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.industry-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 10px;
  margin-bottom: 14px;
}
.industry-card h3 { font-size: 1rem; margin-bottom: 8px; }
.industry-card p { font-size: 0.875rem; }

/* ── Work / Projects ─────────────────────────────────────────── */
.work-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.work-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.work-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.work-visual {
  height: 180px;
  background: var(--bg-alt);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.work-demo-badge {
  position: absolute;
  top: 12px; right: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--dark);
  color: var(--bg);
  padding: 3px 10px;
  border-radius: 20px;
}
.work-flow-mini {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}
.wfm-step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}
.wfm-arrow { font-size: 0.75rem; color: var(--accent); }
.work-body { padding: 24px; }
.work-category {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  display: block;
}
.work-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.work-row { display: flex; flex-direction: column; gap: 6px; margin: 14px 0; }
.work-row-item { font-size: 0.82rem; color: var(--text-secondary); }
.work-row-item strong { color: var(--text-primary); }
.work-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0; }
.work-tag {
  font-size: 0.7rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  color: var(--text-secondary);
}

/* ── Insights ─────────────────────────────────────────────────── */
.insights-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.insight-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.insight-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.insight-meta { display: flex; align-items: center; gap: 10px; }
.insight-cat {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 10px;
}
.insight-time { font-size: 0.78rem; color: var(--text-secondary); }
.insight-card h3 { font-size: 1rem; margin-bottom: 4px; }
.insight-card p { font-size: 0.875rem; flex: 1; }
.insight-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 4px;
  transition: gap var(--transition);
}
.insight-link:hover { gap: 10px; }

/* ── About ────────────────────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-content blockquote {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-secondary);
  border-left: 3px solid var(--accent);
  padding-left: 24px;
  margin: 28px 0;
}
.principles { display: flex; flex-direction: column; gap: 20px; margin-top: 28px; }
.principle {
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent);
}
.principle h4 { margin-bottom: 6px; }
.principle p { font-size: 0.875rem; }
.about-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.about-stat-card {
  background: var(--dark);
  color: var(--bg);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.about-stat-card .asc-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(242,235,221,0.4); }
.about-stat-card .asc-value { font-size: 1.05rem; font-weight: 600; line-height: 1.5; }

/* ── FAQ ──────────────────────────────────────────────────────── */
.faq-list { max-width: 760px; margin-inline: auto; display: flex; flex-direction: column; gap: 2px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}
.faq-item + .faq-item { margin-top: 8px; }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  width: 100%;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: background var(--transition);
}
.faq-question:hover { background: var(--bg-alt); }
.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
}
.faq-icon svg { width: 12px; height: 12px; color: var(--text-secondary); transition: transform var(--transition); }
.faq-item.open .faq-icon { background: var(--dark); border-color: var(--dark); }
.faq-item.open .faq-icon svg { color: var(--bg); transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 350ms ease;
}
.faq-answer-inner {
  padding: 4px 24px 22px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ── Contact ──────────────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; }
.contact-info { display: flex; flex-direction: column; gap: 32px; }
.contact-intro p { font-size: 1.05rem; margin-top: 16px; }
.contact-items { display: flex; flex-direction: column; gap: 14px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.contact-item a { color: var(--text-secondary); transition: color var(--transition); }
.contact-item a:hover { color: var(--text-primary); }
.ci-icon {
  width: 38px; height: 38px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ci-icon svg { width: 18px; height: 18px; color: var(--accent); }
.contact-channels { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }

/* Contact option cards */
.contact-option-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.contact-option-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.coc-icon {
  width: 42px; height: 42px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.coc-icon svg { width: 20px; height: 20px; color: var(--accent); }
.coc-text { flex: 1; }
.coc-title { font-size: 0.875rem; font-weight: 700; color: var(--text-primary); }
.coc-value { font-size: 0.8rem; color: var(--text-secondary); margin-top: 2px; }
.coc-arrow { font-size: 1rem; color: var(--accent); font-weight: 600; transition: transform var(--transition); }
.contact-option-card:hover .coc-arrow { transform: translateX(4px); }

/* Contact right panel */
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.form-group label span { color: var(--accent); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: border-color var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { min-height: 110px; resize: vertical; }
.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2366665E' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
#form-message { margin-top: 14px; font-size: 0.85rem; padding: 12px 16px; border-radius: var(--radius-md); display: none; }
#form-message.info { display: block; background: var(--bg-alt); color: var(--text-secondary); border: 1px solid var(--border); }
#form-message.error { display: block; background: #fff5f5; color: #c0392b; border: 1px solid #f5c6cb; }
.form-note {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 12px;
  line-height: 1.6;
}

/* ── Final CTA ───────────────────────────────────────────────── */
#cta {
  background: var(--dark);
  padding-block: var(--section-gap);
}
.cta-inner { text-align: center; max-width: 600px; margin-inline: auto; }
.cta-inner h2 { color: var(--bg); margin-bottom: 16px; }
.cta-inner p { color: rgba(242,235,221,0.65); font-size: 1.05rem; margin-bottom: 36px; }

/* ── Footer ─────────────────────────────────────────────────── */
#footer {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-block: 64px 40px;
  color: rgba(242,235,221,0.65);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo { color: var(--bg); margin-bottom: 16px; }
.footer-brand p { font-size: 0.875rem; max-width: 280px; color: rgba(242,235,221,0.55); }
.footer-col h5 { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(242,235,221,0.4); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: 0.875rem; color: rgba(242,235,221,0.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--bg); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(242,235,221,0.35); }
.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: rgba(242,235,221,0.45);
  transition: color var(--transition);
}
.footer-social a:hover { color: var(--bg); }
.footer-social svg { width: 16px; height: 16px; }

/* ── Scroll Animations ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --section-gap: 88px; }
  #hero { grid-template-columns: 1fr; min-height: auto; padding-top: 120px; padding-bottom: 64px; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .problems-grid { grid-template-columns: 1fr; gap: 48px; }
  .before-after-grid { grid-template-columns: 1fr; gap: 16px; }
  .ba-arrow { transform: rotate(90deg); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2,1fr); }
  .value-blocks { grid-template-columns: 1fr 1fr; }
  .industry-grid { grid-template-columns: repeat(2,1fr); }
  .work-grid { grid-template-columns: repeat(2,1fr); }
  .insights-grid { grid-template-columns: repeat(2,1fr); }
  .demo-wrapper { grid-template-columns: 1fr; }
  .demo-panel { position: static; }
  .process-timeline { grid-template-columns: 1fr; }
  .process-timeline::before { display: none; }
  .process-step { flex-direction: row; text-align: left; align-items: flex-start; gap: 20px; padding: 0; }
  .process-num { flex-shrink: 0; margin-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --section-gap: 72px; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .value-blocks { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; }
  .insights-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  :root { --section-gap: 60px; }
  .contact-form { padding: 24px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}