/* ==========================================================================
   HERTZO INTELLIGENCE — DESIGN SYSTEM & STYLESHEET
   Enterprise Education ERP & Operating System Marketing Website
   Premium Architectural Control Center & Minimalist SaaS Aesthetics
   ========================================================================== */

/* --- Custom Properties / Design Tokens --- */
:root {
  /* Official Brand Colors */
  --color-brand-navy: #002D72;
  --color-brand-blue: #0054E5;
  --color-brand-cyan: #1ECADB;
  --color-brand-sky: #20A3CE;
  
  --color-navy: #0F172A;
  --color-navy-dark: #070D1B;
  --color-navy-light: #1E293B;
  --color-slate-dark: #334155;
  --color-slate: #475569;
  --color-slate-muted: #64748B;
  --color-slate-light: #94A3B8;
  
  --color-bg-white: #FFFFFF;
  --color-bg-subtle: #F8FAFC;
  --color-bg-subtle-2: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-hover: #CBD5E1;
  --color-border-subtle: #F1F5F9;

  --color-primary: #0054E5;
  --color-primary-hover: #0043B8;
  --color-primary-dark: #002D72;
  --color-primary-light: #EFF6FF;
  --color-primary-subtle: #DBEAFE;
  
  --color-accent-cyan: #1ECADB;
  --color-accent-sky: #20A3CE;
  --color-accent-emerald: #10B981;
  --color-accent-emerald-light: #ECFDF5;
  --color-accent-amber: #F59E0B;
  --color-accent-rose: #F43F5E;
  --color-accent-rose-light: #FFF1F2;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #0054E5 0%, #0088F5 50%, #1ECADB 100%);
  --grad-primary-hover: linear-gradient(135deg, #0043B8 0%, #0074D9 50%, #17B4C4 100%);
  --grad-logo-h: linear-gradient(90deg, #0054E5 0%, #0088F5 55%, #1ECADB 100%);
  --grad-dark: linear-gradient(180deg, #070D1B 0%, #0F172A 100%);
  --grad-subtle: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  --grad-glow: radial-gradient(circle at 50% 0%, rgba(0, 84, 229, 0.08) 0%, rgba(30, 202, 219, 0.03) 45%, transparent 70%);

  --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 4px -1px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 6px 18px -3px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 14px 32px -4px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 24px 48px -10px rgba(15, 23, 42, 0.12), 0 8px 20px -4px rgba(15, 23, 42, 0.04);

  --container-max: 1200px;
  --container-pad: clamp(1rem, 4vw, 2rem);
  --nav-height: 72px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Reset & Global Baseline --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-slate-dark);
  background-color: var(--color-bg-white);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 1.5rem);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* --- Layout Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section {
  padding-top: clamp(3.5rem, 6vw, 5.5rem);
  padding-bottom: clamp(3.5rem, 6vw, 5.5rem);
  position: relative;
}

.section--subtle {
  background-color: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section--white {
  background-color: var(--color-bg-white);
}

.section-header {
  max-width: 800px;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}

.section-header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* --- Typography System --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  display: inline-block;
  position: relative;
  flex-shrink: 0;
}

.badge-dot--pulse::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  opacity: 0.4;
  animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.7); opacity: 0; }
}

.section-title {
  font-size: clamp(1.85rem, 3.4vw, 2.6rem);
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 0.875rem;
  line-height: 1.18;
}

.section-lead {
  font-size: clamp(1rem, 1.25vw, 1.125rem);
  color: var(--color-slate);
  line-height: 1.6;
  font-weight: 400;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.375rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  max-width: 18px;
  max-height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover svg.arrow-right {
  transform: translateX(3px);
}

.btn--primary {
  background: var(--grad-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 84, 229, 0.28);
}

.btn--primary:hover {
  background: var(--grad-primary-hover);
  box-shadow: 0 6px 20px rgba(0, 84, 229, 0.38);
  transform: translateY(-1px);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--secondary {
  background-color: var(--color-bg-white);
  color: var(--color-navy);
  border-color: var(--color-border);
  box-shadow: var(--shadow-xs);
}

.btn--secondary:hover {
  border-color: var(--color-border-hover);
  background-color: var(--color-bg-subtle);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.btn--full {
  width: 100%;
}

.btn--large {
  padding: 0.875rem 1.625rem;
  font-size: 1rem;
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.brand-logo-mark {
  height: 34px;
  width: auto;
  max-width: 44px;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--color-brand-navy);
  letter-spacing: 0.04em;
}

.brand-sub {
  font-family: var(--font-heading);
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent-sky);
  letter-spacing: 0.18em;
  margin-top: 2px;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-slate);
  position: relative;
  padding: 0.375rem 0;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-brand-blue);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-logo-h);
  transition: width var(--transition-normal);
  border-radius: 1px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: none;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 900px) {
  .nav-desktop,
  .nav-actions {
    display: flex;
  }
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-navy);
  transition: background-color var(--transition-fast);
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

.hamburger-line + .hamburger-line {
  margin-top: 5px;
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(7, 13, 27, 0.5);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-nav-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-drawer {
  position: fixed;
  top: var(--nav-height);
  right: 0;
  bottom: 0;
  width: min(85vw, 340px);
  background-color: var(--color-bg-white);
  border-left: 1px solid var(--color-border);
  z-index: 999;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.mobile-nav-drawer.is-open {
  transform: translateX(0);
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-navy);
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-nav-footer {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

/* --- Hero Section --- */
.hero-section {
  padding-top: clamp(2rem, 4.5vw, 4rem);
  padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
  background: var(--grad-glow);
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-primary-subtle);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.9375rem;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-xs);
}

.hero-title {
  font-size: clamp(2.15rem, 4.8vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--color-navy);
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.125rem;
}

.hero-title .highlight {
  background: var(--grad-logo-h);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.hero-subhead {
  font-size: clamp(1rem, 1.3vw, 1.1875rem);
  color: var(--color-slate);
  max-width: 740px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}

/* ==========================================================================
   PREMIUM ARCHITECTURAL CONTROL CENTER (Hero Interactive Visual)
   ========================================================================== */
.hero-visual-wrapper {
  max-width: 1080px;
  margin: 0 auto clamp(2rem, 4vw, 3.5rem);
}

.platform-deck {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
  text-align: left;
}

.platform-deck::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-logo-h);
}

/* Deck Header & Interactive Navigation Tabs */
.deck-header {
  background: #F8FAFC;
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.875rem;
}

.deck-meta {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.deck-pulse {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent-emerald);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
}

.deck-meta-title {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: -0.01em;
}

/* Interactive Tabs */
.deck-tabs {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  background: #FFFFFF;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.deck-tab-btn {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-slate);
  background: transparent;
  border: none;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.deck-tab-btn:hover {
  color: var(--color-primary);
}

.deck-tab-btn.is-active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  box-shadow: var(--shadow-xs);
}

/* Deck Dynamic View Containers */
.deck-viewport {
  padding: clamp(1.25rem, 3vw, 2rem);
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  min-height: 290px;
}

.deck-view-pane {
  display: none;
  animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.deck-view-pane.is-active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tab 1: Architecture Ecosystem Flow */
.ecosystem-flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 860px) {
  .ecosystem-flow-grid {
    grid-template-columns: 1fr auto 1.15fr auto 1.25fr;
    align-items: center;
  }
}

.flow-node-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
}

.flow-node-card--highlight {
  border-color: var(--color-primary-subtle);
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-primary-light) 100%);
  box-shadow: 0 4px 16px rgba(0, 84, 229, 0.08);
}

.flow-node-badge {
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.flow-node-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.25;
}

.flow-node-desc {
  font-size: 0.8125rem;
  color: var(--color-slate);
  line-height: 1.5;
}

.flow-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.flow-pill {
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-xs);
  color: var(--color-slate-dark);
}

.flow-connector {
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--color-brand-cyan);
}

@media (min-width: 860px) {
  .flow-connector {
    display: flex;
  }
}

.flow-connector svg {
  width: 24px;
  height: 24px;
}

/* Tab 2: Telemetry Console */
.telemetry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .telemetry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.metric-gauge-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.gauge-val {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-brand-navy);
  margin-bottom: 0.25rem;
}

.gauge-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.25rem;
}

.gauge-sub {
  font-size: 0.75rem;
  color: var(--color-slate-muted);
}

/* Deck Footer Trust Ribbon */
.deck-footer-ribbon {
  border-top: 1px solid var(--color-border);
  background: #FAFCFF;
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--color-slate);
}

.deck-status-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 600;
}

/* Trust Bar */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem clamp(1.5rem, 3vw, 2.75rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-slate-dark);
}

.trust-item svg {
  width: 18px;
  height: 18px;
  max-width: 18px;
  max-height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* --- Vision Contrast Panels --- */
.vision-contrast-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 2rem;
}

@media (min-width: 960px) {
  .vision-contrast-container {
    grid-template-columns: 1fr 1fr;
    gap: 2.25rem;
  }
}

.contrast-panel {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.25rem, 2.5vw, 1.875rem);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contrast-panel--bad {
  border-top: 4px solid var(--color-accent-rose);
  background: #FFFDFD;
}

.contrast-panel--good {
  border-top: 4px solid var(--color-primary);
  background: linear-gradient(180deg, #FFFFFF 0%, #F6FAFF 100%);
}

.contrast-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  width: fit-content;
}

.contrast-badge svg {
  width: 12px;
  height: 12px;
  max-width: 12px;
  max-height: 12px;
}

.contrast-badge--bad {
  background-color: #FFE4E6;
  color: #BE123C;
}

.contrast-badge--good {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
}

.contrast-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.45rem;
  color: var(--color-navy);
}

.contrast-desc {
  font-size: 0.8125rem;
  color: var(--color-slate);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.system-visual-box {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.875rem;
  margin-bottom: 1rem;
}

.silo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.silo-item {
  background: #FFFFFF;
  border: 1px dashed #FDA4AF;
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  color: #9F1239;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.silo-item svg {
  width: 14px;
  height: 14px;
  max-width: 14px;
  max-height: 14px;
  color: #F43F5E;
}

.unified-flow-box {
  background: #FFFFFF;
  border: 1px solid var(--color-primary-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.unified-flow-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-brand-navy);
}

.unified-flow-bar {
  height: 5px;
  background: var(--grad-logo-h);
  border-radius: 3px;
  width: 100%;
}

.contrast-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.contrast-bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-slate-dark);
  line-height: 1.45;
}

.contrast-bullet svg {
  width: 16px;
  height: 16px;
  max-width: 16px;
  max-height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- Approach Roadmap --- */
.roadmap-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

@media (min-width: 900px) {
  .roadmap-flow {
    grid-template-columns: repeat(3, 1fr);
  }
}

.roadmap-step-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.125rem, 2vw, 1.5rem);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.roadmap-step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.roadmap-step-card--highlight {
  background: linear-gradient(180deg, #FFFFFF 0%, #F5F9FF 100%);
  border-color: var(--color-primary-subtle);
}

.step-card-top {
  margin-bottom: 0.875rem;
}

.step-number-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.625rem;
}

.step-number-tag svg {
  width: 14px;
  height: 14px;
  max-width: 14px;
  max-height: 14px;
}

.step-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.1875rem 0.5rem;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 0.625rem;
}

.step-badge--active {
  background-color: #E0F7FA;
  color: #007A8D;
  border: 1px solid #B2EBF2;
}

.step-badge--deploy {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary-subtle);
}

.step-badge--northstar {
  background: var(--grad-logo-h);
  color: #FFFFFF;
}

.step-title {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.step-desc {
  font-size: 0.8125rem;
  color: var(--color-slate);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.step-micro-ui {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.micro-chip {
  font-size: 0.6875rem;
  font-weight: 600;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--color-slate-dark);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.micro-chip svg {
  width: 14px;
  height: 14px;
  max-width: 14px;
  max-height: 14px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.approach-note-box {
  margin-top: 1.75rem;
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-primary-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.approach-note-icon {
  width: 20px;
  height: 20px;
  max-width: 20px;
  max-height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.approach-note-text {
  font-size: 0.8125rem;
  color: var(--color-navy);
  font-weight: 500;
}

/* --- Why Hertzo: Capability Cards --- */
.capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.capability-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.capability-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.capability-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.capability-icon-box {
  width: 42px;
  height: 42px;
  max-width: 42px;
  max-height: 42px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.capability-icon-box svg {
  width: 20px;
  height: 20px;
  max-width: 20px;
  max-height: 20px;
  flex-shrink: 0;
}

.capability-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
}

.capability-title {
  font-size: 1.0625rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--color-navy);
}

.capability-body {
  font-size: 0.8125rem;
  color: var(--color-slate);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.capability-metric-bar {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-navy);
}

.capability-metric-value {
  color: var(--color-primary);
  font-weight: 700;
}

/* Quote Banner */
.quote-banner {
  margin-top: clamp(2rem, 4vw, 3rem);
  background: var(--grad-dark);
  border-radius: var(--radius-2xl);
  padding: clamp(1.75rem, 4vw, 3rem) clamp(1.25rem, 3.5vw, 2.5rem);
  text-align: center;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.quote-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(circle at 50% 30%, rgba(0, 84, 229, 0.32) 0%, rgba(30, 202, 219, 0.18) 30%, transparent 65%);
  pointer-events: none;
}

.quote-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.quote-mark {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  line-height: 1;
  color: var(--color-accent-cyan);
  margin-bottom: 0.35rem;
}

.quote-text {
  font-family: var(--font-heading);
  font-size: clamp(1.1875rem, 2vw, 1.75rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 0.875rem;
}

.quote-author {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-sky);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --- Comparison Matrix --- */
.comparison-wrapper {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th,
.comparison-table td {
  padding: clamp(0.75rem, 1.5vw, 1.125rem) clamp(0.875rem, 2vw, 1.375rem);
  vertical-align: middle;
}

.comparison-table th {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-navy);
}

.comparison-table th.col-hertzo {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-bottom: 2px solid var(--color-primary);
}

.comparison-table tr {
  border-bottom: 1px solid var(--color-border-subtle);
  transition: background-color var(--transition-fast);
}

.comparison-table tr:last-child {
  border-bottom: none;
}

.comparison-table tr:hover {
  background-color: #F8FAFC;
}

.comparison-table td.col-area {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--color-navy);
  width: 22%;
  min-width: 120px;
}

.comparison-table td.col-traditional {
  font-size: 0.75rem;
  color: var(--color-slate);
  width: 39%;
  line-height: 1.45;
}

.comparison-table td.col-hertzo {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-navy);
  width: 39%;
  background-color: rgba(239, 246, 255, 0.45);
  line-height: 1.45;
}

.cell-flex {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.cell-icon {
  width: 16px;
  height: 16px;
  max-width: 16px;
  max-height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.cell-icon--cross { color: #94A3B8; }
.cell-icon--check { color: var(--color-primary); }

.comparison-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* --- Credibility Strip --- */
.credibility-section {
  padding: 2rem 0;
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
}

.credibility-badges-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.875rem clamp(1rem, 2.5vw, 2.25rem);
}

.credibility-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-navy);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.credibility-pill:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
}

.credibility-pill svg {
  width: 16px;
  height: 16px;
  max-width: 16px;
  max-height: 16px;
  color: var(--color-primary);
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 960px) {
  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 3rem;
  }
}

.contact-info-col {
  display: flex;
  flex-direction: column;
}

.contact-details-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-top: 1.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.contact-detail-icon {
  width: 38px;
  height: 38px;
  max-width: 38px;
  max-height: 38px;
  border-radius: var(--radius-md);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
}

.contact-detail-icon svg {
  width: 18px;
  height: 18px;
  max-width: 18px;
  max-height: 18px;
}

.contact-detail-content {
  display: flex;
  flex-direction: column;
}

.contact-detail-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-slate-muted);
}

.contact-detail-val {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-navy);
  transition: color var(--transition-fast);
}

.contact-detail-val:hover {
  color: var(--color-primary);
}

.contact-form-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.25rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-lg);
}

.form-title {
  font-size: 1.1875rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
  color: var(--color-navy);
}

.form-subhead {
  font-size: 0.75rem;
  color: var(--color-slate);
  margin-bottom: 1.25rem;
}

.form-group {
  margin-bottom: 0.875rem;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.3rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.8125rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-white);
  color: var(--color-navy);
  font-size: 0.8125rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-slate-light);
}

.form-textarea {
  resize: vertical;
  min-height: 90px;
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.125rem;
}

.form-status {
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  display: none;
}

.form-status.is-success {
  display: block;
  background-color: #E0F7FA;
  border: 1px solid #B2EBF2;
  color: #006064;
}

.form-status.is-error {
  display: block;
  background-color: #FFF1F2;
  border: 1px solid #FECDD3;
  color: #9F1239;
}

.direct-email-fallback {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-slate-muted);
}

.direct-email-fallback a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-navy-dark);
  color: #94A3B8;
  padding-top: clamp(2.5rem, 4.5vw, 4rem);
  padding-bottom: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .footer-top-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.footer-logo-mark {
  height: 32px;
  width: auto;
  max-width: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 1.1875rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 0.04em;
}

.footer-brand-sub {
  font-family: var(--font-heading);
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent-cyan);
  letter-spacing: 0.18em;
}

.footer-company-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: #E2E8F0;
}

.footer-bio {
  font-size: 0.75rem;
  color: #94A3B8;
  line-height: 1.55;
  max-width: 320px;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: rgba(0, 84, 229, 0.15);
  border: 1px solid rgba(30, 202, 219, 0.3);
  color: var(--color-accent-cyan);
  padding: 0.2rem 0.5625rem;
  border-radius: var(--radius-full);
  width: fit-content;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #FFFFFF;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link {
  font-size: 0.75rem;
  color: #94A3B8;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  font-size: 0.75rem;
  color: #64748B;
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.06s; }
.reveal-delay-2 { transition-delay: 0.12s; }
.reveal-delay-3 { transition-delay: 0.18s; }
.reveal-delay-4 { transition-delay: 0.24s; }

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