/* ============================================================
   HarmoniQ Technologies — Main Stylesheet
   Design language: Palantir-inspired. Flat. Sharp. Typography-led.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@300,400,500,600,700,800,900&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  /* Light palette (default) */
  --bg-primary:    #FFFFFF;
  --bg-secondary:  #F7F7F7;
  --bg-card:       #FFFFFF;
  --accent:        #1A7A44;
  --accent-light:  #00C47A;
  --accent-dim:    rgba(26, 122, 68, 0.07);
  --text-primary:  #0A0B0E;
  --text-secondary:#5C6578;
  --text-muted:    #9CA3AF;
  --border:        #E4E7EC;
  --border-subtle: #ECEEF2;
  --border-strong: #CBD2DC;

  /* Dark palette */
  --dark-bg:       #0A0B0E;
  --dark-bg2:      #0F1117;
  --dark-card:     #15191F;
  --dark-border:   rgba(255,255,255,0.07);
  --dark-text:     #EEF2FF;
  --dark-muted:    #7A8599;

  /* Shape — sharp corners throughout */
  --radius-sm:     2px;
  --radius-md:     3px;
  --radius-lg:     4px;
  --radius-xl:     6px;

  /* Other */
  --nav-height:    68px;
  --max-width:     1200px;
  --transition:    all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Satoshi', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ────────────────────────────────────────────── */
.display-1 { font-family: 'Instrument Sans', 'Satoshi', sans-serif; font-size: clamp(2.75rem, 6vw, 5.25rem); font-weight: 700; line-height: 1.03; letter-spacing: -0.04em; }
.display-2 { font-family: 'Instrument Sans', 'Satoshi', sans-serif; font-size: clamp(2rem, 4vw, 3.5rem);     font-weight: 700; line-height: 1.06; letter-spacing: -0.035em; }
.h1 { font-family: 'Instrument Sans', 'Satoshi', sans-serif; font-size: clamp(1.6rem, 3vw, 2.5rem);  font-weight: 700; line-height: 1.15; letter-spacing: -0.025em; }
.h2 { font-family: 'Instrument Sans', 'Satoshi', sans-serif; font-size: clamp(1.3rem, 2.5vw, 1.875rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
.h3 { font-size: clamp(1.05rem, 1.8vw, 1.3rem); font-weight: 600; line-height: 1.3; }
.body-lg { font-size: 1.125rem; line-height: 1.7; }
.body-md { font-size: 1rem; line-height: 1.65; }
.body-sm { font-size: 0.875rem; line-height: 1.6; }
.label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
.mono { font-family: 'JetBrains Mono', monospace; }
.accent { color: var(--accent); }
.text-muted { color: var(--text-secondary); }

/* ── Layout ────────────────────────────────────────────────── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 40px; }
.section    { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-lg { padding: 120px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.text-center { text-align: center; }

/* ── Eyebrow / Label ───────────────────────────────────────── */
/* Plain uppercase — no decorative lines */
.eyebrow {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

/* ── Section Header ────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .eyebrow { margin-bottom: 16px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { color: var(--text-secondary); max-width: 580px; margin: 0 auto; font-size: 1.1rem; }

/* Split header — left-aligned, description below heading */
.section-header--split {
  text-align: left;
  display: block;
  max-width: 720px;
}
.section-header--split-left .eyebrow { margin-bottom: 14px; }
.section-header--split-left h2 { margin-bottom: 20px; }
.section-header--split-right p { margin: 0; font-size: 1.05rem; line-height: 1.7; color: var(--text-secondary); max-width: 580px; }

/* Get Started — heading left, steps 2x2 right */
.getstarted-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 48px;
}
.getstarted-heading { text-align: left; position: sticky; top: calc(var(--nav-height) + 32px); }
.getstarted-heading .eyebrow { color: var(--accent-light); }
.getstarted-heading h2 { margin-bottom: 16px; color: var(--dark-text); }
.getstarted-heading p { color: var(--dark-muted); font-size: 1.05rem; line-height: 1.7; max-width: 400px; }
.getstarted-layout .steps-flow {
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.getstarted-layout .steps-flow::before { display: none; }
.getstarted-layout .flow-step { text-align: left; padding: 24px; background: var(--dark-card); border: 1px solid var(--dark-border); border-radius: var(--radius-md); }

/* Dark context section headers */
.dark-section .section-header .eyebrow,
.dark-section-alt .section-header .eyebrow { color: var(--accent-light); }
.dark-section .section-header h2,
.dark-section-alt .section-header h2 { color: var(--dark-text); }
.dark-section .section-header p,
.dark-section-alt .section-header p { color: var(--dark-muted); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-size: 0.9rem; font-weight: 600; font-family: inherit;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer; white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn-primary {
  background: var(--accent); color: #FFFFFF;
  border-color: var(--accent);
}
.btn-primary:hover { background: #156637; border-color: #156637; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(26,122,68,0.35); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(26,122,68,0.25); }
.btn-secondary {
  background: transparent; color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--text-primary); color: var(--text-primary); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,0.06); }
.btn-secondary:active { transform: translateY(0); }
.btn-outline {
  background: transparent; color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: white; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(26,122,68,0.30); }
.btn-outline:active { transform: translateY(0); }
.btn-lg { padding: 16px 32px; font-size: 0.9375rem; }
.btn-sm { padding: 9px 18px; font-size: 0.8rem; }

/* Dark context buttons */
.hero-actions .btn-primary { background: var(--accent-light); color: #060A08; border-color: var(--accent-light); }
.hero-actions .btn-primary:hover { background: #00D988; border-color: #00D988; box-shadow: 0 4px 24px rgba(0,196,122,0.40); }
.hero-actions .btn-secondary { color: var(--dark-text); border-color: rgba(255,255,255,0.2); }
.hero-actions .btn-secondary:hover { border-color: rgba(255,255,255,0.5); box-shadow: 0 4px 16px rgba(255,255,255,0.06); }
.nav-actions .btn-secondary { color: var(--dark-text); border-color: var(--dark-border); }
.nav-actions .btn-secondary:hover { border-color: rgba(255,255,255,0.5); color: var(--dark-text); }
.cta-actions .btn-primary { background: var(--accent-light); color: #060A08; border-color: var(--accent-light); }
.cta-actions .btn-primary:hover { background: #00D988; box-shadow: 0 4px 24px rgba(0,196,122,0.40); }
.cta-actions .btn-secondary { color: var(--dark-text); border-color: rgba(255,255,255,0.2); }
.cta-actions .btn-secondary:hover { border-color: rgba(255,255,255,0.5); }

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height); display: flex; align-items: center;
  transition: var(--transition);
  background: transparent;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 11, 14, 0.97);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--dark-border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-logo { display: flex; align-items: center; }
.nav-logo-img {
  height: 32px; width: auto; display: block;
  filter: invert(1) hue-rotate(180deg);
  transition: var(--transition);
}
.nav-logo:hover .nav-logo-img { opacity: 0.75; }
.nav-brand { display: flex; align-items: center; margin-right: 8px; }
.nav-brand-icon {
  height: 34px; width: auto; display: block;
  transition: var(--transition);
}
.nav-brand:hover .nav-brand-icon { opacity: 0.8; transform: scale(1.05); }
.footer-logo-img { height: 36px; width: auto; display: block; filter: invert(1) hue-rotate(180deg); }

.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-link {
  padding: 7px 13px;
  font-size: 0.85rem; font-weight: 500; color: rgba(255,255,255,0.55);
  transition: color 0.25s ease; border-radius: var(--radius-sm);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 13px; right: 13px;
  height: 1.5px;
  background: var(--accent-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-link:hover, .nav-link.active { color: white; }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-phone { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; font-weight: 600; color: var(--dark-text); letter-spacing: 0.02em; text-decoration: none; opacity: 0.75; transition: var(--transition); border-right: 1px solid var(--dark-border); padding-right: 14px; margin-right: 4px; }
.nav-phone:hover { opacity: 1; color: var(--accent-light); }
.nav-phone svg { flex-shrink: 0; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--dark-text); border-radius: 0; transition: var(--transition); }

/* Nav on inner pages (always dark/scrolled) */
nav.scrolled { background: rgba(10, 11, 14, 0.97); }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: var(--nav-height) 0 0;
  background: var(--dark-bg);
  color: var(--dark-text);
}
/* Subtle top accent line */
.hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent-light) 30%, var(--accent-light) 70%, transparent 100%);
  opacity: 0.35;
}
.hero-content { position: relative; z-index: 1; max-width: 860px; }
.hero-label {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.7rem; font-weight: 600; color: var(--accent-light);
  letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 28px;
}
.hero-label::before { content: ''; display: block; width: 32px; height: 1px; background: var(--accent-light); flex-shrink: 0; }
.hero h1 { margin-bottom: 24px; color: var(--dark-text); }
.hero h1 .line-accent { color: var(--accent-light); display: block; }
.hero-sub { color: var(--dark-muted); font-size: 1.15rem; max-width: 560px; margin-bottom: 40px; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 72px; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding-top: 36px;
  border-top: 1px solid var(--dark-border);
}
.hero-stat { padding: 0 24px; }
.hero-stat:first-child { padding-left: 0; }
.hero-stat + .hero-stat { border-left: 1px solid var(--dark-border); }
.hero-stat-value { font-size: 1.75rem; font-weight: 800; color: var(--dark-text); letter-spacing: -0.03em; line-height: 1; margin-bottom: 4px; }
.hero-stat-label { font-size: 0.75rem; color: var(--dark-muted); letter-spacing: 0.03em; }

/* ── Stats Bar ─────────────────────────────────────────────── */
.stats-bar { background: var(--dark-bg2); border-bottom: 1px solid var(--dark-border); padding: 36px 0; }
.stats-bar-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; text-align: center; }
.stat-item { padding: 0 32px; position: relative; }
.stat-item:not(:last-child)::after { content: ''; position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 1px; height: 32px; background: var(--dark-border); }
.stat-number { font-size: 2rem; font-weight: 800; color: var(--dark-text); letter-spacing: -0.03em; line-height: 1; }
.stat-desc { font-size: 0.78rem; color: var(--dark-muted); margin-top: 6px; letter-spacing: 0.02em; }

/* ── Problem Section ───────────────────────────────────────── */
.problem-section { background: var(--bg-primary); }

/* Single-Line Diagram */
.pq-scope {
  background: #080A0F;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 32px;
}
.pq-scope-header {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
}
.pq-scope-header-top {
  flex: 1;
  display: flex;
  justify-content: center;
}
.pq-scope-header .pq-compare {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}
.pq-scope-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
#pqCanvas {
  width: 100%;
  display: block;
}
/* Toggle button */
.pq-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: rgba(0, 168, 128, 0.10);
  border: 1.5px solid rgba(0, 168, 128, 0.45);
  border-radius: 24px;
  color: #00B880;
  font-family: 'Satoshi', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.02em;
  animation: pqPulse 2.2s ease-in-out infinite;
  box-shadow: 0 0 16px rgba(0, 168, 128, 0.15), inset 0 0 8px rgba(0, 168, 128, 0.05);
}
@keyframes pqPulse {
  0%, 100% { box-shadow: 0 0 16px rgba(0, 168, 128, 0.15), inset 0 0 8px rgba(0, 168, 128, 0.05); border-color: rgba(0, 168, 128, 0.45); }
  50% { box-shadow: 0 0 24px rgba(0, 168, 128, 0.30), inset 0 0 10px rgba(0, 168, 128, 0.08); border-color: rgba(0, 168, 128, 0.70); }
}
.pq-toggle:hover {
  background: rgba(0, 168, 128, 0.16);
  border-color: #00A880;
  color: #00D898;
  box-shadow: 0 0 28px rgba(0, 168, 128, 0.30);
  animation: none;
}
.pq-toggle.active {
  background: rgba(0, 168, 128, 0.14);
  border-color: #00A880;
  color: #00D898;
  animation: none;
}
.pq-toggle-icon {
  font-size: 1.05rem;
  line-height: 1;
  font-weight: 800;
}
.pq-compare {
  animation: none;
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.55);
  box-shadow: none;
}
.pq-compare:hover {
  background: rgba(0, 168, 128, 0.10);
  border-color: rgba(0, 168, 128, 0.40);
  color: #00B880;
}
.pq-compare.active {
  background: rgba(0, 168, 128, 0.14);
  border-color: #00A880;
  color: #00D898;
}
/* Caption below scope */
.pq-caption {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 48px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Problem cards */
.problem-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.problem-card {
  padding: 36px 32px;
  border: 1px solid var(--border);
  border-left: 2px solid transparent;
  margin-right: -1px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.problem-card:hover {
  background: var(--bg-secondary);
  border-left-color: #DC2626;
}
.problem-card-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: #DC2626;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 12px;
  font-family: 'JetBrains Mono', monospace;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.problem-card:hover .problem-card-num {
  transform: scale(1.12);
  transform-origin: left center;
}
.problem-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.problem-card p {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Solution Section ──────────────────────────────────────── */
.solution-section { background: var(--bg-secondary); }
.solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.solution-steps { display: flex; flex-direction: column; }
.solution-step { display: flex; gap: 20px; padding: 20px 0; border-top: 1px solid var(--border); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); cursor: default; }
.solution-step:hover { padding-left: 8px; }
.solution-step:last-child { border-bottom: 1px solid var(--border); }
.solution-step:hover .step-icon { background: var(--accent); border-color: var(--accent); }
.solution-step:hover .step-icon svg { color: white; }
.step-num { font-size: 0.65rem; font-weight: 700; color: var(--accent); letter-spacing: 0.1em; font-family: 'JetBrains Mono', monospace; min-width: 26px; padding-top: 5px; }
.step-icon { width: 40px; height: 40px; border-radius: var(--radius-sm); background: var(--accent-dim); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: var(--transition); }
.step-icon svg { width: 18px; height: 18px; color: var(--accent); }
.step-content h4 { font-size: 0.93rem; font-weight: 600; margin-bottom: 3px; color: var(--text-primary); }
.step-content p { font-size: 0.83rem; color: var(--text-secondary); }
.solution-visual { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 32px; }
.waveform-label { display: flex; align-items: center; gap: 8px; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 10px; color: var(--text-secondary); }
.waveform-label .dot-bad { width: 7px; height: 7px; background: #DC2626; border-radius: 50%; }
.waveform-label .dot-good { width: 7px; height: 7px; background: var(--accent); border-radius: 50%; }
.waveform-svg-wrap { background: var(--bg-secondary); border: 1px solid var(--border); padding: 16px; margin-bottom: 16px; height: 84px; display: flex; align-items: center; }
.waveform-arrow { text-align: center; color: var(--text-muted); font-size: 1.2rem; margin: -4px 0; }

/* ── Metrics / Benefits ────────────────────────────────────── */
.benefits-section { background: var(--bg-primary); }
.metrics-list { display: flex; flex-direction: column; }
.metric-row {
  display: grid; grid-template-columns: 180px 1fr; gap: 40px;
  padding: 36px 0; border-top: 1px solid var(--border);
  align-items: start; transition: var(--transition);
}
.metric-row:last-child { border-bottom: 1px solid var(--border); }
.metric-val {
  font-size: 2.75rem; font-weight: 900; color: var(--text-primary);
  letter-spacing: -0.04em; line-height: 1; padding-top: 2px;
}
.metric-content h4 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; color: var(--text-primary); }
.metric-content p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }

/* ── Get Started (dark) ────────────────────────────────────── */
.getstarted-section { background: var(--dark-bg2); color: var(--dark-text); }
.getstarted-section .section-header p { color: var(--dark-muted); }
.getstarted-section .section-header .eyebrow { color: var(--accent-light); }
.steps-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.steps-flow::before { content: ''; position: absolute; top: 28px; left: 12.5%; right: 12.5%; height: 1px; background: var(--dark-border); }
.flow-step { padding: 0 20px; text-align: center; transition: transform 0.3s ease; }
.flow-step:hover { transform: translateY(-3px); }
.flow-step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--dark-card); border: 1px solid var(--dark-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700; color: var(--accent-light);
  letter-spacing: 0.08em; margin: 0 auto 20px; font-family: 'JetBrains Mono', monospace;
  transition: var(--transition); position: relative; z-index: 1;
}
.flow-step:hover .flow-step-num { background: var(--accent-light); color: #0A0B0E; border-color: var(--accent-light); box-shadow: 0 0 20px rgba(0,196,122,0.35); }
.flow-step h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; color: var(--dark-text); }
.flow-step p { font-size: 0.82rem; color: var(--dark-muted); line-height: 1.6; }
.getstarted-cta { text-align: center; margin-top: 56px; }
.getstarted-cta p { color: var(--dark-muted) !important; }

/* ── Industries ────────────────────────────────────────────── */
.industries-section { background: var(--bg-secondary); }
.industries-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.industry-item {
  position: relative;
  height: 160px;
  padding: 0 20px 20px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  background: var(--bg-card);
  transition: background 0.3s ease;
}
/* Background photo layer */
.industry-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
/* Bottom-weighted dark gradient for legibility */
.industry-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.28) 55%, rgba(0,0,0,0.05) 100%);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.industry-item:hover .industry-bg { opacity: 1; transform: scale(1); }
.industry-item:hover .industry-bg::after { opacity: 1; }
/* Text sits above image layers */
.industry-label {
  position: relative; z-index: 1;
  font-size: 0.88rem; font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  transition: color 0.3s;
}
.industry-sub {
  position: relative; z-index: 1;
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-top: 0;
  transition: opacity 0.3s ease, max-height 0.35s ease, margin-top 0.3s ease, color 0.3s;
}
/* Arrow indicator */
.industry-item::after {
  content: '\2192';
  position: absolute;
  top: 14px; right: 16px;
  z-index: 2;
  font-size: 1rem;
  color: var(--text-muted);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease, color 0.25s ease;
}
.industry-item:hover::after {
  opacity: 1;
  transform: translateX(0);
  color: rgba(255,255,255,0.7);
}
.industry-item:hover .industry-label { color: #fff; }
.industry-item:hover .industry-sub   {
  color: rgba(255,255,255,0.78);
  opacity: 1;
  max-height: 56px;
  margin-top: 5px;
}
.industry-item:nth-child(5n) { border-right: none; }
/* Last row = items 11–15 — remove bottom border */
.industry-item:nth-last-child(-n+5) { border-bottom: none; }

/* ── Clients ───────────────────────────────────────────────── */
.clients-section { background: var(--bg-primary); }
.clients-logos { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border: 1px solid var(--border); overflow: hidden; border-radius: var(--radius-md); margin-bottom: 48px; }
.client-logo { padding: 28px 20px; display: flex; align-items: center; justify-content: center; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); transition: all 0.3s ease; }
.client-logo:hover { background: var(--accent-dim); }
.client-logo:nth-child(5n) { border-right: none; }
.client-logo:nth-child(n+6) { border-bottom: none; }
.client-logo:hover { background: var(--bg-secondary); }
.client-logo-text { font-size: 0.95rem; font-weight: 800; color: #C8CDD7; transition: var(--transition); letter-spacing: -0.01em; }
.client-logo:hover .client-logo-text { color: var(--text-secondary); }
.clients-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.client-stat { text-align: center; padding: 28px; border-right: 1px solid var(--border); }
.client-stat:last-child { border-right: none; }
.client-stat-number { font-size: 2.25rem; font-weight: 900; color: var(--text-primary); letter-spacing: -0.04em; }
.client-stat-label { font-size: 0.78rem; color: var(--text-secondary); margin-top: 4px; }

/* ── Team Cards ────────────────────────────────────────────── */
.team-section { background: var(--bg-secondary); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}
.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-bottom: 2px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}
.team-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  transform: translateY(-3px);
  border-bottom-color: var(--accent);
}
.team-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top;
  display: block;
  filter: grayscale(100%) opacity(0.8);
  transition: filter 0.3s;
}
.team-card:hover .team-photo {
  filter: grayscale(0%) opacity(1);
}
.team-info {
  padding: 18px 20px 20px;
  border-top: 1px solid var(--border);
}
.team-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}
.team-role {
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ── About Page Founders ───────────────────────────────────── */
.about-founders {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}
.about-founder-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.about-founder-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top;
  display: block;
  filter: grayscale(100%) opacity(0.8);
  transition: filter 0.3s;
}
.about-founder-card:hover .about-founder-photo {
  filter: grayscale(0%) opacity(1);
}
.about-founder-info {
  padding: 22px 24px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.about-founder-text { flex: 1; min-width: 0; }
.about-founder-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.about-founder-role {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.about-founder-linkedin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(10, 102, 194, 0.2);
  border-radius: var(--radius-sm);
  color: #0A66C2;
  background: var(--bg-card);
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.about-founder-linkedin:hover {
  border-color: #0A66C2;
  background: rgba(10, 102, 194, 0.1);
}
.about-founder-linkedin svg { width: 22px; height: 22px; }
.about-pedigree-wrap {
  border-top: 1px solid var(--border);
  padding-top: 36px;
}
.about-pedigree-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ── Team Pedigree ─────────────────────────────────────────── */
.pedigree-logos { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.pedigree-logo { background: var(--bg-card); border-right: 1px solid var(--border); padding: 24px 20px; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.pedigree-logo:last-child { border-right: none; }
.pedigree-logo:hover { background: var(--bg-secondary); }
.pedigree-logo-text { font-size: 0.82rem; font-weight: 700; color: var(--text-muted); text-align: center; line-height: 1.3; transition: var(--transition); }
.pedigree-logo:hover .pedigree-logo-text { color: var(--text-secondary); }
.pedigree-logo-img {
  max-height: 52px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.7);
  transition: filter 0.25s;
}
.pedigree-logo:hover .pedigree-logo-img {
  filter: grayscale(0%) opacity(1);
}
/* Cambridge logo is taller/denser — give it more room */
.pedigree-logo:nth-child(4) .pedigree-logo-img {
  max-height: 80px;
}

/* ── CTA Section ───────────────────────────────────────────── */
.cta-section { background: var(--dark-bg); color: var(--dark-text); text-align: center; }
.cta-inner { max-width: 600px; margin: 0 auto; }
.cta-inner .display-2 { margin-bottom: 20px; color: var(--dark-text); }
.cta-inner .accent { color: var(--accent-light); }
.cta-inner .eyebrow { color: var(--accent-light); display: inline-block; }
.cta-inner p { color: var(--dark-muted); font-size: 1.05rem; margin-bottom: 36px; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-note { font-size: 0.78rem; color: var(--dark-muted); margin-top: 20px; }

/* ── Footer ────────────────────────────────────────────────── */
.footer { background: var(--dark-bg); border-top: 1px solid var(--dark-border); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { color: var(--dark-muted); font-size: 0.85rem; margin-top: 16px; max-width: 280px; line-height: 1.65; }
.footer-col h5 { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.25); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.85rem; color: var(--dark-muted); transition: var(--transition); }
.footer-col a:hover { color: white; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; border-top: 1px solid var(--dark-border); font-size: 0.78rem; color: rgba(255,255,255,0.2); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: rgba(255,255,255,0.2); transition: var(--transition); }
.footer-bottom-links a:hover { color: rgba(255,255,255,0.45); }

/* ── Page Hero (inner pages — always dark) ─────────────────── */
.page-hero { padding: calc(var(--nav-height) + 64px) 0 64px; background: var(--dark-bg); position: relative; color: var(--dark-text); }
.page-hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(0,200,122,0.3), transparent); }
.page-hero-inner { position: relative; z-index: 1; text-align: center; max-width: 680px; margin: 0 auto; }
.page-hero-inner .eyebrow { color: var(--accent-light); display: inline-block; }
.page-hero-inner h1 { margin-bottom: 18px; color: var(--dark-text); }
.page-hero-inner h1 .accent { color: var(--accent-light); }
.page-hero-inner p { color: var(--dark-muted); font-size: 1.1rem; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 28px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.card:hover { border-color: rgba(26,122,68,0.35); box-shadow: 0 0 0 3px rgba(26,122,68,0.08); }
.card-accent { border-top: 2px solid var(--accent); }

/* ── FAQ ───────────────────────────────────────────────────── */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%; text-align: left; padding: 22px 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.9375rem; font-weight: 600; color: var(--text-primary);
  transition: var(--transition); gap: 16px;
}
.faq-question:hover { color: var(--accent); }
.faq-icon { width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--accent); font-size: 1rem; transition: var(--transition); }
.faq-answer { max-height: 0; overflow: hidden; padding: 0; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.faq-item.open .faq-answer { padding: 0 0 22px; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--accent-dim); }

/* ── Savings Calculator ───────────────────────────────────── */
.roi-calc { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 48px; max-width: 900px; margin: 0 auto; }
.roi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.roi-inputs { display: flex; flex-direction: column; gap: 20px; }
.roi-field label { display: block; font-size: 0.7rem; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 8px; }
.roi-field input, .roi-field select {
  width: 100%; background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 11px 14px;
  color: var(--text-primary); font-family: inherit; font-size: 0.9375rem;
  transition: var(--transition); outline: none;
}
.roi-field input:focus, .roi-field select:focus { border-color: var(--accent); outline: none; }
.roi-results { background: var(--bg-secondary); border-radius: var(--radius-md); padding: 28px; border: 1px solid var(--border); }
.roi-result-title { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 20px; }
.roi-result-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border); }
.roi-result-item:last-child { border-bottom: none; }
.roi-result-label { font-size: 0.85rem; color: var(--text-secondary); }
.roi-result-value { font-size: 1.05rem; font-weight: 700; color: var(--accent); }
.roi-headline { text-align: center; padding: 24px 0; border-top: 2px solid var(--accent); margin-top: 8px; }
.roi-headline-value { font-size: 2.25rem; font-weight: 900; color: var(--accent); }
.roi-headline-label { font-size: 0.82rem; color: var(--text-secondary); margin-top: 4px; }
.roi-pill-toggle { display: flex; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 100px; padding: 4px; margin-bottom: 20px; }
.roi-pill { flex: 1; padding: 8px 4px; font-size: 0.72rem; font-weight: 600; color: var(--text-muted); background: transparent; border: none; border-radius: 100px; cursor: pointer; transition: all 0.2s ease; text-align: center; letter-spacing: 0.02em; line-height: 1.3; font-family: inherit; }
.roi-pill:hover { color: var(--text-primary); }
.roi-pill.active { background: var(--accent); color: #fff; box-shadow: 0 1px 4px rgba(26, 122, 68, 0.3); }
.roi-cross-refs { display: flex; gap: 12px; margin-top: 16px; }
.roi-cross-ref { flex: 1; padding: 14px 10px; background: var(--accent-dim); border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; text-align: center; transition: all 0.2s ease; }
.roi-cross-ref:hover { border-color: var(--accent); background: rgba(26, 122, 68, 0.1); }
.roi-cross-ref-label { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 4px; }
.roi-cross-ref-value { font-size: 1.05rem; font-weight: 800; color: var(--accent); }
.roi-scroll-prompt { display: none; margin-top: 16px; padding: 14px; text-align: center; font-size: 0.82rem; font-weight: 600; color: var(--accent); background: var(--accent-dim); border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; animation: roiBounce 2s ease infinite; }
.roi-scroll-prompt svg { vertical-align: -3px; margin-right: 6px; stroke: var(--accent); }
@keyframes roiBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(4px); } }
@media (max-width: 900px) { .roi-scroll-prompt { display: block; } }

/* ── Waveform Morph Panel ───────────────────────────────────── */
.wf-narrative {
  display: flex; align-items: center;
  justify-content: space-between;
  padding-bottom: 12px; margin-bottom: 4px;
}
.wf-narr-labels { display: flex; align-items: center; gap: 8px; }
.wf-narrative-before, .wf-narrative-after {
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  transition: opacity 0.4s, color 0.4s;
}
.wf-narrative-before { color: #F87171; }
.wf-narrative-after  { color: #60A5FA; opacity: 0.3; }
.wf-narrative-arrow  { font-size: 0.65rem; color: var(--text-muted); opacity: 0.4; }
.wf-morph-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 12px; align-items: start;
  padding: 10px 0;
  border-top: 1px solid var(--border);
}
.wf-row-label {
  font-size: 0.58rem; font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  line-height: 1.55;
  text-transform: uppercase;
  padding-top: 8px;
  padding-left: 9px;
  border-left: 2px solid var(--wf-accent, var(--accent));
}
.wf-morph-cell { display: flex; flex-direction: column; gap: 6px; }
.wf-canvas {
  width: 100%; height: 100px;
  display: block;
  background: #0b0f1e;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
}
.wf-footer {
  display: flex; align-items: center;
  justify-content: space-between;
}
.wf-legend { display: flex; gap: 8px; flex-wrap: wrap; }
.wf-legend span {
  display: flex; align-items: center; gap: 4px;
  font-size: 0.58rem; color: var(--text-muted);
}
.wf-dot {
  display: inline-block;
  width: 14px; height: 2px;
  border-radius: 1px; flex-shrink: 0;
  font-style: normal;
}
.wf-toggle {
  display: flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px;
  gap: 0;
}
.wf-pill {
  font-size: 0.58rem; font-weight: 700;
  letter-spacing: 0.07em; text-transform: uppercase;
  padding: 3px 11px; border-radius: 18px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.25s, background 0.25s, box-shadow 0.25s;
}
.wf-pill:hover { color: var(--text-primary); }

/* Master toggle — slightly larger */
.wf-narrative .wf-pill { padding: 5px 16px; font-size: 0.6rem; }
.wf-pill-active-before {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.wf-pill-active-after {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 5px rgba(26,122,68,0.35);
}

/* Invite pulse — fires 3× on the After button until it's been clicked */
@keyframes wf-invite {
  0%   { box-shadow: 0 0 0 0   rgba(26,122,68,0.55); }
  70%  { box-shadow: 0 0 0 6px rgba(26,122,68,0);    }
  100% { box-shadow: 0 0 0 0   rgba(26,122,68,0);    }
}
.wf-pill-invite { animation: wf-invite 1.6s ease-out 1.2s 3; }

/* ── Animations ────────────────────────────────────────────── */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.animate-up { animation: fadeUp 0.5s ease forwards; }

/* ── Hero entrance choreography ──────────────────────────── */
.hero-content.hero-staged > * {
  opacity: 0;
  transform: translateY(18px);
  animation: heroIn 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}
@keyframes heroIn {
  to { opacity: 1; transform: translateY(0); }
}
.hero-staged .hero-label     { animation-delay: 0.1s; animation-duration: 0.3s; }
.hero-staged h1              { animation-delay: 0.3s; }
.hero-staged .hero-sub       { animation-delay: 0.55s; }
.hero-staged .hero-actions   { animation-delay: 0.75s; }
.hero-staged .hero-stats     { animation-delay: 0.95s; opacity: 0; transform: translateY(0); animation-name: heroFade; animation-duration: 0.8s; }
.hero-staged .hero-stats + p { animation-delay: 1.15s; opacity: 0; transform: translateY(0); animation-name: heroFade; animation-duration: 0.6s; }
@keyframes heroFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Typing cursor on hero label */
.hero-label .typing-cursor {
  display: inline-block;
  width: 1.5px;
  height: 1em;
  background: var(--accent-light);
  margin-left: 2px;
  animation: blink 0.6s step-end infinite;
  vertical-align: text-bottom;
}
@keyframes blink { 50% { opacity: 0; } }

/* Accent line draw-in */
.hero-staged h1 .line-accent {
  background: linear-gradient(90deg, var(--accent-light) 50%, transparent 50%);
  background-size: 200% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
  background-clip: text;
  animation: heroIn 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards, textReveal 0.8s ease 0.6s forwards;
}
@keyframes textReveal {
  from { background-position: 100% 0; }
  to   { background-position: 0% 0; }
}
/* Base reveal — fade up */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Reveal variants */
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.92); transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* Staggered children — parent gets .reveal-stagger, each child auto-delays */
.reveal-stagger > * {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-stagger.visible > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.0s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.10s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.20s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.30s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.40s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.50s; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 0.60s; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 0.70s; }
.reveal-stagger.visible > *:nth-child(9) { transition-delay: 0.80s; }
.reveal-stagger.visible > *:nth-child(10) { transition-delay: 0.90s; }
.reveal-stagger.visible > *:nth-child(n+11) { transition-delay: 1.0s; }

/* ── Standards Reference Links ────────────────────────────── */
.std-ref {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed var(--accent);
  transition: color 0.3s, text-shadow 0.3s, border-color 0.3s;
  cursor: pointer;
}
.std-ref:hover {
  color: var(--accent);
  border-bottom-color: transparent;
  text-shadow: 0 0 8px rgba(0,185,128,0.5), 0 0 20px rgba(0,185,128,0.25);
}

/* ── Page Transitions ──────────────────────────────────────── */
.page-transition {
  position: fixed; inset: 0; z-index: 100000;
  pointer-events: none;
  display: flex;
}
.page-transition-col {
  flex: 1; height: 100%;
  background: var(--dark-bg);
  transform: scaleY(0);
  transform-origin: top;
  margin: 0 -0.5px;
  position: relative;
  z-index: 1;
}
/* Exit: columns grow down covering the page */
.page-transition.exit .page-transition-col {
  animation: colCover 0.35s cubic-bezier(0.7, 0, 0.3, 1) forwards;
}
@keyframes colCover {
  from { transform: scaleY(0); transform-origin: top; }
  to   { transform: scaleY(1); transform-origin: top; }
}
/* Enter: columns shrink up revealing the page */
.page-transition.enter .page-transition-col {
  transform: scaleY(1);
  animation: colReveal 0.35s cubic-bezier(0.7, 0, 0.3, 1) forwards;
}
@keyframes colReveal {
  from { transform: scaleY(1); transform-origin: bottom; }
  to   { transform: scaleY(0); transform-origin: bottom; }
}
/* Q logo LED in page transition */
.page-transition-logo {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  opacity: 0;
  pointer-events: none;
}
.page-transition-logo img,
.page-transition-logo svg {
  height: 35vh;
  width: auto;
  display: block;
  object-fit: contain;
}
.page-transition.exit .page-transition-logo {
  animation: qLogoIn 0.35s 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.page-transition.exit .page-transition-logo img,
.page-transition.exit .page-transition-logo svg {
  animation: qGlow 1.8s 0.5s ease-in-out infinite;
}
.page-transition.enter .page-transition-logo {
  opacity: 1;
  animation: qLogoOut 0.30s 0.05s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
@keyframes qLogoIn {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.85); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
@keyframes qLogoOut {
  from { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  to   { opacity: 0; transform: translate(-50%, -50%) scale(1.1); }
}
@keyframes qGlow {
  0%, 100% { filter: drop-shadow(0 0 30px rgba(14,122,70,0.4)) drop-shadow(0 0 80px rgba(14,122,70,0.2)); }
  50%      { filter: drop-shadow(0 0 60px rgba(0,210,140,0.7)) drop-shadow(0 0 140px rgba(0,210,140,0.35)) drop-shadow(0 0 240px rgba(14,122,70,0.15)); }
}


/* ── Mobile content reorder ───────────────────────────────── */
@media (max-width: 768px) {
  main#main {
    display: flex;
    flex-direction: column;
  }
  /* Hero → Problem → Bill → Solution → Certs → Trust → Protocol → CTA */
  .hero                   { order: 1; }
  #certs-strip            { order: 5; }
  .problem-section        { order: 2; }
  .solution-section       { order: 3; }
  .bill-section           { order: 4; }
  #trust-bar              { order: 6; }
  .getstarted-section     { order: 7; }
  .cta-section            { order: 8; }
  .scroll-cue             { order: 9; }
}



/* ── Product page mobile fixes ────────────────────────────── */
@media (max-width: 768px) {
  /* HarmoniQ Difference comparison: stack vertically */
  .grid-2[style*="gap: 72px"] {
    gap: 32px !important;
  }
}
@media (max-width: 640px) {
  /* Force the Without/With comparison to stack */
  div[style*="grid-template-columns: 1fr 1fr"][style*="gap: 16px"] {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
}

/* ── Mobile polish ────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Hero: tighter spacing, full-width buttons, better stats */
  .hero-actions {
    flex-direction: column;
    margin-bottom: 40px;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .hero-sub {
    font-size: 0.95rem;
  }
  .hero-stats {
    padding: 28px 20px !important;
    gap: 0 !important;
  }
  .hero-stat {
    padding: 16px 12px !important;
  }
  .hero-stat-value {
    font-size: 1.6rem !important;
    white-space: nowrap;
  }

  /* Solution: tighter gap */
  .solution-grid {
    gap: 24px !important;
  }
  .solution-step {
    padding: 14px 0;
    gap: 14px;
  }

  /* Water analogy: less top margin */
  .water-analogy {
    margin-top: 24px !important;
  }

  /* Waveform panels: ensure readable */
  .wf-morph-row {
    grid-template-columns: 60px 1fr;
    gap: 8px;
  }
  .wf-row-label {
    font-size: 0.52rem;
    padding-left: 6px;
  }
  .wf-canvas {
    height: 80px;
  }

  /* Bill section: ensure header is readable */
  .ibill-toggle {
    flex-direction: row;
    gap: 0;
  }

  /* Section spacing: tighter on mobile */
  .section-header {
    margin-bottom: 36px !important;
  }

  /* Pilot protocol: stack properly */
  .getstarted-layout {
    gap: 24px !important;
  }
  .flow-step {
    padding: 18px !important;
  }
  .flow-step h4 {
    font-size: 0.95rem;
  }
  .flow-step p {
    font-size: 0.85rem;
  }

  /* Footer: tighter */
  .footer {
    padding: 40px 0 24px;
  }
}

/* ── Mobile Nav ────────────────────────────────────────────── */
.mobile-nav {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(10,11,14,0.99); backdrop-filter: blur(16px);
  flex-direction: column; align-items: center; justify-content: flex-start;
  gap: 4px; padding-top: calc(var(--nav-height) + 16px); padding-bottom: 32px;
  display: flex;
  overflow-y: auto; -webkit-overflow-scrolling: touch;
  opacity: 0; visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.35s;
}
.mobile-nav.open { opacity: 1; visibility: visible; }
.mobile-nav a {
  font-size: 1.4rem; font-weight: 700; color: var(--dark-muted); padding: 12px;
  transition: color 0.2s, opacity 0.4s ease, transform 0.4s ease;
  opacity: 0; transform: translateY(16px);
}
.mobile-nav.open a { opacity: 1; transform: translateY(0); }
.mobile-nav.open a:nth-child(1) { transition-delay: 0.05s; }
.mobile-nav.open a:nth-child(2) { transition-delay: 0.10s; }
.mobile-nav.open a:nth-child(3) { transition-delay: 0.15s; }
.mobile-nav.open a:nth-child(4) { transition-delay: 0.20s; }
.mobile-nav.open a:nth-child(5) { transition-delay: 0.25s; }
.mobile-nav.open a:nth-child(6) { transition-delay: 0.30s; }
.mobile-nav.open a:nth-child(7) { transition-delay: 0.35s; }
.mobile-nav a:hover { color: white; }

/* ── Responsive inline grid helpers ───────────────────────── */
/* For inline-styled grids that need breakpoints */
.resp-4col { display: grid; grid-template-columns: repeat(4, 1fr); }
.resp-2col { display: grid; grid-template-columns: 1fr 1fr; }

/* ── Responsive ────────────────────────────────────────────── */
/* ── Sticky CTA ─────────────────────────────────────────────── */
.sticky-cta {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(26,122,68,0.4);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.35s, transform 0.35s, background 0.2s, box-shadow 0.2s;
  pointer-events: none;
}
.sticky-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  animation: ctaPulse 3s ease-in-out 2s infinite;
}
.sticky-cta:hover {
  background: var(--accent-light);
  box-shadow: 0 6px 28px rgba(0,196,122,0.45);
  animation: none;
}
@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(26,122,68,0.4); }
  50% { box-shadow: 0 4px 28px rgba(0,196,122,0.6); }
}

/* ── Why Now ───────────────────────────────────────────────── */
.why-now-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-now-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
}
.why-now-num {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.why-now-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.35;
}
.why-now-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ── Financial Impact Callout ──────────────────────────────── */
.financial-callout {
  margin-top: 64px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.financial-callout-header {
  padding: 36px 40px 28px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.financial-callout-header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 6px 0 10px;
  line-height: 1.3;
}
.financial-callout-header p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
}
.financial-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  border-bottom: 1px solid var(--border);
  gap: 20px;
  background: var(--bg-card);
}
.financial-row:last-child { border-bottom: none; }
.financial-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.financial-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}
.financial-row-total {
  background: var(--bg-secondary);
}
.financial-row-total .financial-label {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}
.financial-row-total .financial-value {
  color: var(--accent);
  font-size: 1.1rem;
}
.financial-footnote {
  padding: 14px 40px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Pilot Guarantee ───────────────────────────────────────── */
.pilot-guarantee {
  margin-top: 40px;
  padding: 28px 36px;
  border-left: 3px solid var(--accent);
  background: var(--bg-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.pilot-guarantee p {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.65;
  margin: 0;
}
.pilot-guarantee strong {
  color: var(--accent);
}

/* ── Water Purification Analogy ────────────────────────────── */
.water-analogy {
  margin: 36px auto 0;
  padding: 28px 32px;
  border-left: 3px solid var(--accent);
  background: var(--bg-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  max-width: 580px;
  text-align: left;
}
.water-analogy p {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.65;
  margin: 0;
  font-style: italic;
}

/* ── Electricity Bill Animation ────────────────────────────── */
/* ── Interactive Bill ──────────────────────────────────────── */
.ibill-wrapper {
  max-width: 680px;
  margin: 0 auto;
}

/* Toggle bar */
.ibill-toggle {
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 3px;
  border: 1px solid var(--border);
}
.ibill-toggle-btn {
  flex: 1;
  padding: 10px 20px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.ibill-toggle-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.ibill-toggle-after.active {
  background: var(--accent);
  color: #fff;
}
.ibill-toggle-after.active svg { stroke: #fff; }

/* Bill card */
.ibill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.3s;
}
.ibill-card.ibill-optimised {
  border-color: var(--accent);
}

/* Header */
.ibill-header {
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ibill-provider {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.ibill-period {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Savings badge */
.ibill-savings-badge {
  text-align: right;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.ibill-card.ibill-optimised .ibill-savings-badge {
  opacity: 1;
  transform: scale(1);
}
.ibill-savings-label {
  display: block;
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.ibill-savings-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
}

/* Line items */
.ibill-line {
  border-bottom: 1px solid var(--border);
  transition: background 0.25s ease;
}
.ibill-line:last-child { border-bottom: none; }
.ibill-line-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 24px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  gap: 16px;
}
.ibill-line-name { flex: 1; }
.ibill-line-val {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  transition: color 0.4s ease;
  min-width: 80px;
  text-align: right;
}

/* Click indicator */
.ibill-line-indicator {
  display: block;
  font-size: 0.65rem;
  color: var(--accent);
  font-weight: 600;
  margin-top: 2px;
  transition: color 0.2s;
}

/* Actionable lines */
.ibill-actionable {
  cursor: pointer;
  position: relative;
}
.ibill-actionable:hover {
  background: rgba(26, 122, 68, 0.04);
}
.ibill-actionable:hover .ibill-line-indicator {
  color: var(--accent);
}
.ibill-actionable.ibill-line-active {
  background: rgba(26, 122, 68, 0.06);
}
.ibill-actionable.ibill-line-active .ibill-line-indicator {
  color: var(--accent);
}

/* Line in "after" state */
.ibill-line.ibill-line-changed .ibill-line-val {
  color: var(--accent);
}
.ibill-line.ibill-line-zero .ibill-line-val {
  visibility: hidden;
}
.ibill-line.ibill-line-zero::after {
  content: 'Eliminated';
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding: 2px 8px;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
}

/* Total row */
.ibill-total {
  background: var(--bg-secondary);
}
.ibill-total .ibill-line-main {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.88rem;
}
.ibill-total .ibill-line-val {
  font-size: 1rem;
  font-weight: 800;
  transition: color 0.4s ease;
}
.ibill-card.ibill-optimised .ibill-total .ibill-line-val {
  color: var(--accent);
}

/* Explain panel */
.ibill-explain {
  margin-top: 16px;
  padding: 24px 28px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  position: relative;
  display: none;
}
.ibill-explain.open {
  display: block;
  animation: ibillFadeIn 0.25s ease;
}
@keyframes ibillFadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.ibill-explain-close {
  position: absolute;
  top: 12px; right: 16px;
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}
.ibill-explain-close:hover { color: var(--text-primary); }
.ibill-explain-name {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 10px;
}
.ibill-explain-text {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
  max-width: 580px;
}
.ibill-explain-tag {
  display: none;
  margin-top: 12px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
}
.ibill-card.ibill-optimised ~ .ibill-explain .ibill-explain-tag {
  display: block;
}

/* ── Motor Lifespan Timeline ───────────────────────────────── */
.motor-timeline {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}
.motor-timeline-header { margin-bottom: 32px; }
.motor-row {
  display: flex;
  align-items: stretch;
  gap: 20px;
  margin-bottom: 8px;
}
.motor-row-label {
  width: 90px;
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.4;
  display: flex;
  align-items: center;
}
.motor-track {
  flex: 1;
  display: flex;
  gap: 4px;
}
.motor-seg {
  flex: 1;
  min-height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10px 14px;
  transition: transform 0.2s;
}
.motor-seg-bad {
  background: rgba(220,38,38,0.07);
  border: 1px solid rgba(220,38,38,0.2);
}
.motor-seg-good {
  background: rgba(0,168,128,0.07);
  border: 1px solid rgba(0,168,128,0.25);
}
.motor-seg-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
}
.motor-seg-life {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 3px;
  display: block;
}
.motor-seg-bad .motor-seg-title { color: #DC2626; }
.motor-seg-good .motor-seg-title { color: var(--accent); }
.motor-axis {
  display: flex;
  justify-content: space-between;
  margin-left: 110px;
  font-size: 0.68rem;
  color: var(--text-muted);
  padding-top: 8px;
  border-top: 1px solid var(--border);
  margin-top: 6px;
}
.motor-note {
  margin-left: 110px;
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

@media (max-width: 1100px) {
  .about-founders { grid-template-columns: repeat(3, 1fr); }
  .pedigree-logos { grid-template-columns: repeat(3, 1fr); }
  .pedigree-logo:nth-child(3) { border-right: none; }
  .industries-grid { grid-template-columns: repeat(4, 1fr); }
  /* Reset 5-col border rules, apply 4-col */
  .industry-item:nth-child(5n) { border-right: 1px solid var(--border); }
  .industry-item:nth-child(4n) { border-right: none; }
  .industry-item:nth-last-child(-n+5):nth-child(5n+1),
  .industry-item:nth-last-child(-n+5):nth-child(5n+2),
  .industry-item:nth-last-child(-n+5):nth-child(5n+3),
  .industry-item:nth-last-child(-n+5):nth-child(5n+4),
  .industry-item:nth-last-child(-n+5):nth-child(5n+5) { border-bottom: 1px solid var(--border); }
  .industry-item:nth-last-child(-n+4) { border-bottom: none; }
}
@media (max-width: 900px) {
  .why-now-grid { grid-template-columns: 1fr; }
  .financial-row { padding: 14px 24px; }
  .financial-callout-header { padding: 28px 24px 22px; }
  .financial-footnote { padding: 12px 24px; }
  .resp-4col { grid-template-columns: repeat(2, 1fr) !important; }
  .resp-4col > *:nth-child(2n) { border-right: none; }
  .resp-4col > *:nth-child(1),
  .resp-4col > *:nth-child(2) { border-bottom: 1px solid var(--border); }
  .grid-2, .solution-grid, .roi-grid { grid-template-columns: 1fr; gap: 40px; }
  .section-header--split { grid-template-columns: 1fr; gap: 16px; }
  .getstarted-layout { grid-template-columns: 1fr; gap: 32px; }
  .getstarted-heading { position: static; }
  .problem-cards { grid-template-columns: 1fr 1fr 1fr; }
  .pq-scope-header { flex-direction: column; gap: 8px; align-items: flex-start; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .stats-bar-inner { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-item::after { display: none; }
  .steps-flow { grid-template-columns: 1fr 1fr; }
  .steps-flow::before { display: none; }
  .clients-logos { grid-template-columns: repeat(3, 1fr); }
  .clients-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  /* Reset 4-col border rules, apply 3-col */
  .industry-item:nth-child(4n) { border-right: 1px solid var(--border); }
  .industry-item:nth-last-child(-n+4) { border-bottom: 1px solid var(--border); }
  .industry-item:nth-child(3n) { border-right: none; }
  .industry-item:nth-last-child(-n+3) { border-bottom: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .hero-stat:nth-child(odd) { border-left: none; }
  .hero-stat:nth-child(1), .hero-stat:nth-child(2) { border-bottom: 1px solid var(--dark-border); padding-bottom: 20px; margin-bottom: 20px; }
  .metric-row { grid-template-columns: 140px 1fr; gap: 24px; }
}
/* SLD: desktop diagram vs mobile summary swap */
@media (max-width: 768px) {
  .pq-desktop-only { display: none !important; }
  .pq-mobile-summary { display: block; }
}

@media (max-width: 640px) {
  .resp-4col { grid-template-columns: 1fr !important; }
  .resp-4col > * { border-right: none !important; border-bottom: 1px solid var(--border); }
  .resp-4col > *:last-child { border-bottom: none; }
  .resp-2col { grid-template-columns: 1fr !important; }
  .resp-2col > * { border-right: none !important; border-bottom: 1px solid var(--border); }
  .resp-2col > *:last-child { border-bottom: none; }
  .section { padding: 64px 0; }
  .section-lg { padding: 80px 0; }
  .container { padding: 0 20px; }
  .nav-links, .nav-actions .btn, .nav-phone { display: none; }
  .nav-toggle { display: flex; }
  .hero { min-height: 100svh; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stat:nth-child(1), .hero-stat:nth-child(2) { border-bottom: 1px solid var(--dark-border); padding-bottom: 20px; margin-bottom: 20px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .problem-cards { grid-template-columns: 1fr; }
  .problem-card { margin-right: 0; margin-bottom: -1px; }
  .steps-flow { grid-template-columns: 1fr; }
  .getstarted-layout .steps-flow { grid-template-columns: 1fr; }
  .clients-logos { grid-template-columns: repeat(2, 1fr); }
  .about-founders { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }
  .pedigree-logos { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  /* Reset 3-col border rules, apply 2-col */
  .industry-item:nth-child(3n) { border-right: 1px solid var(--border); }
  .industry-item:nth-last-child(-n+3) { border-bottom: 1px solid var(--border); }
  .industry-item:nth-child(2n) { border-right: none; }
  .industry-item:nth-last-child(-n+2) { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .roi-calc { padding: 24px; }
  .cta-actions { flex-direction: column; }
  .metric-row { grid-template-columns: 1fr; gap: 10px; }
  .clients-stats { grid-template-columns: repeat(2, 1fr); }
  .ibill-line-main { padding: 12px 18px; font-size: 0.78rem; }
  .ibill-header { padding: 14px 18px; flex-direction: column; gap: 8px; align-items: flex-start; }
  .ibill-line.ibill-line-zero::after { right: 18px; }
  .ibill-explain { padding: 20px 22px; }
  .motor-axis, .motor-note { margin-left: 0; }
  .motor-row-label { width: 60px; font-size: 0.65rem; }
}

/* ── Site Search (CMD+K Modal) ─────────────────────────────── */
.nav-search-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.45);
  font-size: 0.8rem; font-weight: 500; font-family: inherit;
  cursor: pointer; transition: var(--transition);
  margin-right: 10px;
}
.nav-search-btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.7);
}
.nav-search-btn svg { opacity: 0.6; flex-shrink: 0; }
.nav-search-label { white-space: nowrap; }

.mobile-search-link {
  display: flex; align-items: center; gap: 8px;
  font-weight: 600;
  color: var(--accent-light) !important;
  padding-bottom: 12px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--dark-border);
}

/* ── Search Overlay ────────────────────────────────────────── */
.search-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: min(18vh, 140px);
  opacity: 0; visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.search-overlay.open {
  opacity: 1; visibility: visible;
}

/* ── Search Modal ──────────────────────────────────────────── */
.search-modal {
  width: 92%; max-width: 640px;
  background: #15181F;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  box-shadow: 0 32px 100px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.03);
  overflow: hidden;
  transform: scale(0.97) translateY(-6px);
  transition: transform 0.2s ease;
  display: flex; flex-direction: column;
  max-height: min(70vh, 560px);
}
.search-overlay.open .search-modal {
  transform: scale(1) translateY(0);
}

/* ── Search Input ──────────────────────────────────────────── */
.search-input-wrap {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: border-color 0.2s ease;
}
.search-input-wrap:focus-within {
  border-bottom-color: rgba(0, 196, 122, 0.35);
}
.search-input-icon { color: rgba(255,255,255,0.4); flex-shrink: 0; transition: color 0.2s ease; }
.search-input-wrap:focus-within .search-input-icon { color: var(--accent-light); }
.search-input {
  flex: 1;
  background: transparent !important;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  color: #EEF2FF;
  font-size: 1.0625rem; font-weight: 400; font-family: 'Satoshi', sans-serif;
  caret-color: var(--accent-light);
  padding: 0;
  margin: 0;
}
.search-input:focus,
.search-input:focus-visible,
.search-input:active {
  outline: none !important;
  border: none !important;
  box-shadow: none !important;
}
.search-input::placeholder { color: rgba(255,255,255,0.3); font-weight: 400; }
.search-close-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  padding: 0; margin: 0;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
  color: rgba(255,255,255,0.45);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
  font-family: inherit;
}
.search-close-btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.16);
  color: rgba(255,255,255,0.85);
}
.search-close-btn:active {
  transform: scale(0.95);
}

/* ── Search Results ────────────────────────────────────────── */
.search-results {
  flex: 1; overflow-y: auto;
  padding: 8px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.08) transparent;
}
.search-results::-webkit-scrollbar { width: 6px; }
.search-results::-webkit-scrollbar-track { background: transparent; }
.search-results::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }

/* Empty & no results states */
.search-empty-state {
  text-align: center; padding: 52px 24px 44px;
  color: rgba(255,255,255,0.5);
}
.search-empty-icon { margin-bottom: 16px; opacity: 0.28; color: rgba(255,255,255,0.6); }
.search-empty-state p { font-size: 0.95rem; margin-bottom: 22px; color: rgba(255,255,255,0.45); }
.search-hints {
  display: flex; flex-wrap: wrap; gap: 8px;
  justify-content: center; align-items: center;
}
.search-hints span { font-size: 0.8rem; color: rgba(255,255,255,0.3); }
.search-hints > span:first-child { margin-right: 2px; }
.search-hint-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.8rem; font-weight: 500; font-family: inherit;
  color: rgba(255,255,255,0.65);
  cursor: pointer; transition: all 0.15s ease;
}
.search-hint-btn:hover {
  background: rgba(0, 196, 122, 0.1);
  border-color: rgba(0, 196, 122, 0.3);
  color: var(--accent-light);
}

.search-no-results {
  text-align: center; padding: 32px 20px;
  color: rgba(255,255,255,0.35);
}
.search-no-results p { font-size: 0.9rem; margin-bottom: 6px; }
.search-no-results-hint { font-size: 0.78rem; color: rgba(255,255,255,0.2); }

/* ── Result Groups ─────────────────────────────────────────── */
.search-group { margin-bottom: 4px; }
.search-group-label {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px 6px;
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}
.search-group-label svg { opacity: 0.5; }

/* ── Result Items ──────────────────────────────────────────── */
.search-result-item {
  display: block;
  padding: 10px 14px;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.1s ease;
}
.search-result-item:hover,
.search-result-item.active {
  background: rgba(255,255,255,0.06);
}
.search-result-title {
  font-size: 0.88rem; font-weight: 600;
  color: #EEF2FF;
  margin-bottom: 2px;
  line-height: 1.4;
}
.search-result-desc {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.search-result-item.active .search-result-title { color: #fff; }
.search-result-item.active .search-result-desc { color: rgba(255,255,255,0.55); }

/* Highlight matches */
.search-result-item mark {
  background: rgba(0, 196, 122, 0.2);
  color: var(--accent-light);
  padding: 0 1px;
  border-radius: 2px;
}

/* ── Search Footer ─────────────────────────────────────────── */
.search-footer {
  padding: 11px 20px;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(0,0,0,0.2);
}
.search-footer-keys {
  display: flex; gap: 18px;
  font-size: 0.72rem; color: rgba(255,255,255,0.4);
}
.search-footer-keys > span {
  display: inline-flex; align-items: center;
}
.search-footer-keys kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 20px;
  padding: 0 6px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  font-size: 0.66rem; font-weight: 600; font-family: inherit;
  color: rgba(255,255,255,0.55);
  margin-right: 5px;
  background: rgba(255,255,255,0.03);
}

/* ── Reading Progress Bar ─────────────────────────────────── */
.reading-progress {
  position: fixed; top: 0; left: 0; width: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  z-index: 10000; transition: none; pointer-events: none;
}

/* ── Back to Top ──────────────────────────────────────────── */
.back-to-top {
  position: fixed; bottom: 84px; right: 32px;
  width: 40px; height: 40px;
  background: var(--accent);
  color: #fff;
  border: none; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0; transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease;
  pointer-events: none;
  z-index: 999;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--accent-light); }
.back-to-top svg { width: 18px; height: 18px; }

/* ── Skip to Content ──────────────────────────────────────── */
.skip-link {
  position: absolute; top: -100%; left: 16px;
  background: var(--accent); color: #fff;
  padding: 8px 16px; border-radius: var(--radius-md);
  font-size: 0.85rem; font-weight: 600;
  z-index: 100000; transition: top 0.2s;
}
.skip-link:focus { top: 8px; }

/* ── Focus Visible ────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button:focus:not(:focus-visible), a:focus:not(:focus-visible) { outline: none; }

/* ── 404 Page ─────────────────────────────────────────────── */
.error-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 40px;
}
.error-content { max-width: 520px; }
.error-code {
  font-family: 'Instrument Sans', 'Satoshi', sans-serif;
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 700; line-height: 1;
  letter-spacing: -0.04em;
  color: var(--border);
  margin-bottom: 16px;
}
.error-content h1 { margin-bottom: 12px; }
.error-content p { color: var(--text-secondary); margin-bottom: 32px; }
.error-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── Search Responsive ─────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-search-label { display: none; }
  .nav-search-btn { padding: 6px 8px; margin-right: 6px; }
}
@media (max-width: 640px) {
  .nav-search-btn { display: flex; }
  .nav-actions .nav-search-btn { display: flex; }
  .search-modal { width: 95%; max-height: 80vh; }
  .search-overlay { padding-top: 60px; }
  .search-footer-keys { display: none; }
}

/* ── Mobile Nav ───────────────────────────────────────────── */
.nav-brand-full { display: none; }
.nav-mobile-call { display: none; }

.mobile-nav-search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  margin: 0 24px 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.5);
  font-size: 0.88rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  width: calc(100% - 48px);
}
.mobile-nav-search:hover {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
}
.mobile-nav-footer {
  margin-top: 24px;
  padding: 20px 24px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}
.mobile-nav-phone {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255,255,255,0.55) !important;
  letter-spacing: 0.02em;
  transform: none !important;
  opacity: 1 !important;
  padding: 4px !important;
}

@media (max-width: 640px) {
  /* Swap Q icon for full white logo */
  .nav-brand-icon { display: none; }
  .nav-brand-full { display: block; height: 26px; width: auto; }

  /* Hide nav search button — search is in hamburger menu */
  .nav-search-btn { display: none !important; }

  /* Show call button next to hamburger */
  .nav-mobile-call {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--accent-light);
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
  }

  /* Nav spacing: align with page content padding */
  .nav .container { padding: 0 20px; width: 100%; }
  .nav-inner { gap: 0; }
  .nav-brand { flex: 1; }
  .nav-toggle { padding: 8px; }
  .nav-actions { display: none; }

  /* Certifications: 3-top + 2-bottom layout */
  .cert-strip-items {
    display: grid !important;
    grid-template-columns: repeat(6, 1fr) !important;
    gap: 16px !important;
    justify-items: center;
    max-width: 320px;
    margin: 0 auto;
  }
  /* Top row: 3 items each spanning 2 columns */
  .cert-strip-item:nth-child(1) { grid-column: 1 / 3; }
  .cert-strip-item:nth-child(2) { grid-column: 3 / 5; }
  .cert-strip-item:nth-child(3) { grid-column: 5 / 7; }
  /* Bottom row: 2 items evenly distributed */
  .cert-strip-item:nth-child(4) { grid-column: 1 / 4; }
  .cert-strip-item:nth-child(5) { grid-column: 4 / 7; }
  .cert-strip-item {
    width: auto !important;
  }
  .cert-strip-item img {
    height: 34px !important;
  }
  .cert-strip-badge {
    width: 42px !important;
    height: 42px !important;
  }
  .cert-strip-badge div:first-child {
    font-size: 0.75rem !important;
  }
  .cert-strip-label {
    font-size: 0.52rem !important;
  }
}