/* ============================================================
   ARGUS BUSINESS INTELLIGENCE – Main Stylesheet
   Architecture: Variables → Reset → Base → Layout → Components
                 → Sections → Utilities → Responsive
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS / CSS VARIABLES
   ============================================================ */
:root {
  /* Color palette */
  --color-dark:        #0D1B2A;
  --color-dark-mid:    #162033;
  --color-navy:        #1E3A5F;
  --color-navy-light:  #2A4A72;
  --color-accent:      #0EA5E9;
  --color-accent-bright: #38BDF8;
  --color-accent-dark: #0369A1;

  --color-surface:     #F8FAFC;
  --color-surface-alt: #F1F5F9;
  --color-border:      #E2E8F0;
  --color-border-dark: #1E3A5F;

  --color-text:        #0F172A;
  --color-text-muted:  #475569;
  --color-text-light:  #F1F5F9;
  --color-text-dim:    #94A3B8;

  --color-success:     #22C55E;
  --color-danger:      #EF4444;
  --color-warning:     #F59E0B;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue',
               Arial, 'Liberation Sans', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semi:   600;
  --weight-bold:   700;
  --weight-black:  800;

  --leading-tight:  1.2;
  --leading-snug:   1.35;
  --leading-normal: 1.6;
  --leading-loose:  1.75;

  --tracking-tight:  -0.02em;
  --tracking-normal:  0;
  --tracking-wide:    0.04em;
  --tracking-widest:  0.12em;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border radius */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg:   0 10px 30px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl:   0 20px 50px rgba(0,0,0,0.14), 0 8px 20px rgba(0,0,0,0.08);
  --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.18);

  /* Layout */
  --container-max: 1200px;
  --container-pad: var(--space-6);
  --header-h: 72px;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;
  --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden; /* prevent horizontal scroll from decorative elements */
}

/* Long words and phrases wrap instead of overflowing */
h1, h2, h3, h4, p, li, span, a {
  overflow-wrap: break-word;
  word-break: break-word;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

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

/* ============================================================
   3. SKIP LINK
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  border-radius: var(--radius-md);
  transition: top var(--transition-fast);
}
.skip-link:focus { top: var(--space-4); }

/* ============================================================
   4. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--space-24) 0;
}

.section--dark {
  background: var(--color-dark);
  color: var(--color-text-light);
}

.section--accent {
  background: linear-gradient(135deg, var(--color-dark) 0%, #0F2440 60%, #0D2035 100%);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}

.section--light-alt {
  background: var(--color-surface-alt);
}

/* ============================================================
   5. TYPOGRAPHY
   ============================================================ */
.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.eyebrow--light {
  color: var(--color-accent-bright);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.section-title--light {
  color: var(--color-text-light);
}

.section-title em {
  color: var(--color-accent);
  font-style: normal;
}

.section-lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-loose);
}

.section-lead--light {
  color: var(--color-text-dim);
}

.text-accent { color: var(--color-accent); }

/* ============================================================
   6. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.625rem 1.375rem;
  min-height: 44px; /* iOS touch target minimum */
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  line-height: 1;
  border-radius: var(--radius-lg);
  transition: background var(--transition-base), color var(--transition-base),
              box-shadow var(--transition-base), transform var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 4px 18px rgba(14, 165, 233, 0.30);
}

.btn--primary:hover {
  background: var(--color-accent-bright);
  border-color: var(--color-accent-bright);
  box-shadow: 0 6px 24px rgba(14, 165, 233, 0.40);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-navy);
}

.btn--ghost-light {
  background: transparent;
  color: var(--color-text-light);
  border-color: rgba(255,255,255,0.25);
}

.btn--ghost-light:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.45);
}

.btn--lg {
  padding: 0.875rem 1.875rem;
  font-size: var(--text-base);
}

.btn--full { width: 100%; justify-content: center; }

/* ============================================================
   7. HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background var(--transition-slow), box-shadow var(--transition-slow),
              backdrop-filter var(--transition-slow);
}

.site-header.is-transparent {
  background: transparent;
}

.site-header.is-solid {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06), var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo visibility depending on header state */
.logo { transition: opacity var(--transition-base); height: auto; }
.logo--dark { opacity: 1; }
.logo--light { opacity: 0; position: absolute; pointer-events: none; }

.site-header.is-transparent .logo--dark { opacity: 0; pointer-events: none; }
.site-header.is-transparent .logo--light { opacity: 1; position: relative; pointer-events: auto; }

.logo-link {
  position: relative;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* Nav */
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.site-header.is-transparent .nav-link {
  color: rgba(255,255,255,0.85);
}

.nav-link:hover { color: var(--color-accent); }
.site-header.is-transparent .nav-link:hover { color: #fff; }

.nav-link--cta {
  background: var(--color-accent);
  color: #fff !important;
  font-weight: var(--weight-semi);
  box-shadow: 0 2px 10px rgba(14,165,233,0.30);
}

.nav-link--cta:hover {
  background: var(--color-accent-bright);
  box-shadow: 0 4px 14px rgba(14,165,233,0.40);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  min-width: 44px; /* iOS touch target minimum */
  min-height: 44px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.nav-toggle:hover { background: var(--color-surface-alt); }

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header.is-transparent .nav-toggle__bar { background: #fff; }

.nav-toggle.is-open .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.is-open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   8. HERO SECTION
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, var(--color-dark) 0%, #0F2440 55%, #0D1B2A 100%);
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
}

.hero__bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(14,165,233,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(56,189,248,0.06) 0%, transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(14,165,233,0.05) 0%, transparent 40%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-top: var(--space-16);
  padding-bottom: var(--space-24);
}

.hero__content { max-width: 560px; }

.hero__title {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: #fff;
  margin-bottom: var(--space-6);
}

.hero__lead {
  font-size: var(--text-lg);
  line-height: var(--leading-loose);
  color: rgba(255,255,255,0.72);
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.65);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-full);
}

/* Dashboard visual */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.dashboard-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(14,165,233,0.15),
    var(--shadow-xl),
    var(--shadow-glow);
}

.dashboard-img {
  width: 100%;
  max-width: 560px;
  height: auto;
  display: block;
}

.dashboard-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,165,233,0.06), transparent 60%);
  pointer-events: none;
}

/* ============================================================
   9. STATS BAND
   ============================================================ */
.stats-band {
  background: var(--color-dark-mid);
  padding: var(--space-16) 0;
  border-top: 1px solid var(--color-border-dark);
  border-bottom: 1px solid var(--color-border-dark);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  border-right: 1px solid rgba(255,255,255,0.06);
}

.stat-card:last-child { border-right: none; }

.stat-card__number {
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  line-height: 1;
  color: #fff;
  letter-spacing: var(--tracking-tight);
}

.stat-unit {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
}

.stat-card__label {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  line-height: var(--leading-snug);
}

/* ============================================================
   10. VALUE / CARDS
   ============================================================ */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.value-card {
  padding: var(--space-8);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base),
              border-color var(--transition-base);
}

.value-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: rgba(14,165,233,0.25);
}

.value-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14,165,233,0.08);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
}

.value-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.value-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

/* ============================================================
   11. SOLUTIONS SECTION
   ============================================================ */
.solutions-section {
  position: relative;
}

.section-bg-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 70% 30%, rgba(14,165,233,0.07) 0%, transparent 50%),
                    radial-gradient(circle at 20% 70%, rgba(56,189,248,0.05) 0%, transparent 40%);
  pointer-events: none;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.solution-card {
  padding: var(--space-8);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  transition: background var(--transition-base), border-color var(--transition-base),
              transform var(--transition-base);
}

.solution-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(14,165,233,0.30);
  transform: translateY(-2px);
}

.solution-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.solution-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14,165,233,0.12);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.solution-card__domain {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
}

.solution-card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: #fff;
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
}

.solution-card__text {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.60);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-5);
}

.kpi-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.kpi-list li {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.70);
  padding-left: var(--space-5);
  position: relative;
}

.kpi-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.7;
}

.solution-card__value {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  color: var(--color-accent-bright);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.07);
}

/* ============================================================
   12. SERVICES GRID
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.service-card {
  padding: var(--space-7);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base),
              border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-bright));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(14,165,233,0.20);
}

.service-card:hover::before { opacity: 1; }

.service-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14,165,233,0.08);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
}

.service-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.service-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-5);
}

.service-card__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(14,165,233,0.08);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* ============================================================
   13. BI VALUE SECTION
   ============================================================ */
.bi-value-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='2' cy='2' r='1.5' fill='%230EA5E9' opacity='0.08'/%3E%3Ccircle cx='32' cy='2' r='1.5' fill='%230EA5E9' opacity='0.08'/%3E%3Ccircle cx='2' cy='32' r='1.5' fill='%230EA5E9' opacity='0.08'/%3E%3Ccircle cx='32' cy='32' r='1.5' fill='%230EA5E9' opacity='0.08'/%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.bi-value-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
  position: relative;
}

.bi-value-list {
  margin: var(--space-8) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.bi-value-list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.bi-value-list strong {
  font-size: var(--text-base);
  font-weight: var(--weight-semi);
  color: var(--color-text-light);
}

.bi-value-list span {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  line-height: var(--leading-normal);
}

/* Metric stack visual */
.metric-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 320px;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  transition: background var(--transition-base);
}

.metric-item:hover { background: rgba(255,255,255,0.07); }

.metric-label {
  flex: 1;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
}

.metric-value {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
}

.metric-value--green { color: var(--color-success); }
.metric-value--red   { color: var(--color-danger); }

/* ============================================================
   14. PROCESS / WERKWIJZE
   ============================================================ */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent) 0%, rgba(14,165,233,0.15) 100%);
}

.process-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-8);
  padding: var(--space-8) 0;
  position: relative;
}

.process-step + .process-step {
  border-top: 1px solid var(--color-border);
}

.process-step__number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  font-size: var(--text-sm);
  font-weight: var(--weight-black);
  color: var(--color-accent);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: background var(--transition-base), color var(--transition-base);
}

.process-step:hover .process-step__number {
  background: var(--color-accent);
  color: #fff;
}

.process-step__content {
  padding-top: var(--space-3);
}

.process-step__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.process-step__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

.process-cta {
  text-align: center;
  margin-top: var(--space-12);
}

/* ============================================================
   15. ABOUT SECTION
   ============================================================ */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
}

.about-lead {
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  line-height: var(--leading-snug);
  margin: var(--space-6) 0;
}

.about-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-5);
}

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.pillar {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: var(--space-4);
  align-items: baseline;
}

.pillar strong {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-text);
}

.pillar span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* About card stack visual */
.about-card-stack {
  position: relative;
  padding: var(--space-6);
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-card {
  border-radius: var(--radius-xl);
  position: absolute;
}

.about-card--back {
  width: 280px;
  height: 200px;
  background: linear-gradient(135deg, var(--color-navy), var(--color-dark));
  transform: rotate(-4deg) translateY(10px);
  border: 1px solid rgba(14,165,233,0.15);
}

.about-card--front {
  width: 290px;
  height: 210px;
  background: #fff;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.about-card__line {
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  width: 100%;
}

.about-card__line--short { width: 60%; }

.about-card__chart { margin: var(--space-2) 0; }

.about-card__kpi {
  margin-top: auto;
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.kpi-big {
  font-size: var(--text-3xl);
  font-weight: var(--weight-black);
  color: var(--color-accent);
  line-height: 1;
}

.kpi-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: var(--leading-snug);
}

/* ============================================================
   16. CTA BAND
   ============================================================ */
.cta-band {
  padding: var(--space-20) 0;
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(14,165,233,0.10) 0%, transparent 60%);
  pointer-events: none;
}

.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
  position: relative;
}

.cta-band__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-black);
  color: #fff;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-tight);
}

.cta-band__text {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.55);
  max-width: 500px;
  line-height: var(--leading-normal);
}

.cta-band__actions {
  display: flex;
  gap: var(--space-4);
  flex-shrink: 0;
}

/* ============================================================
   17. CONTACT SECTION
   ============================================================ */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-20);
  align-items: start;
}

.contact-lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  margin: var(--space-5) 0 var(--space-8);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-item__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14,165,233,0.08);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.contact-item__value {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.contact-item__value:hover { color: var(--color-accent); }

/* Contact Form */
.contact-form-wrap {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
}

.form-label span { color: var(--color-accent); }

.form-input {
  padding: 0.75rem 1rem;
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.12);
}

.form-input::placeholder { color: var(--color-text-dim); }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394A3B8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-input--error {
  border-color: var(--color-danger) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12) !important;
}

.form-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  line-height: var(--leading-normal);
  text-align: center;
}

/* ============================================================
   18. FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-dark);
  color: var(--color-text-dim);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-16);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  margin-bottom: var(--space-8);
}

.footer-logo { margin-bottom: var(--space-5); }

.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.40);
  line-height: var(--leading-normal);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.footer-nav-title {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-4);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.40);
  transition: color var(--transition-fast);
}

.footer-nav a:hover { color: rgba(255,255,255,0.80); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.30);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal-link {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  transition: color var(--transition-fast);
}

.footer-legal-link:hover { color: rgba(255,255,255,0.65); }

/* ============================================================
   19. REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

.reveal--delay-1 { transition-delay: 0.10s; }
.reveal--delay-2 { transition-delay: 0.20s; }
.reveal--delay-3 { transition-delay: 0.30s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================================
   19a. QUOTE / TESTIMONIAL CARDS (shared — used in main & EO page)
   ============================================================ */
.quotes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.quote-card {
  background: var(--color-dark-mid);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.quote-card:hover {
  border-color: rgba(14, 165, 233, 0.25);
  box-shadow: 0 4px 24px rgba(14, 165, 233, 0.08);
}

.quote-card__stars {
  display: flex;
  gap: 3px;
}

.quote-card__text {
  font-size: var(--text-base);
  line-height: var(--leading-loose);
  color: rgba(255,255,255,0.80);
  flex: 1;
  font-style: italic;
}

.quote-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.07);
}

.quote-card__avatar {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-navy), var(--color-accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: #fff;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.quote-card__name {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  color: var(--color-text-light);
}

.quote-card__role {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  margin-top: 2px;
}

/* Light-background variant (used on the EO page) */
.quote-card--light {
  background: #fff;
  border-color: var(--color-border);
}
.quote-card--light .quote-card__text { color: var(--color-text-muted); }
.quote-card--light .quote-card__author { border-top-color: var(--color-border); }
.quote-card--light .quote-card__name { color: var(--color-text); }
.quote-card--light:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.quotes-placeholder-note {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-warning);
  text-align: center;
}

/* ============================================================
   19b. INTEGRATIONS SECTION
   ============================================================ */
.integrations-section { background: var(--color-surface); }

.integrations-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-12);
}

.integration-card {
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  text-decoration: none;
  color: inherit;
}

.integration-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.10);
  transform: translateY(-2px);
}

.integration-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(14, 165, 233, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.integration-card__name {
  font-weight: var(--weight-semi);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: var(--leading-tight);
}

.integration-card__cat {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
}

.integration-card--featured {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.04) 0%, #fff 100%);
}

.integration-card--featured .integration-card__icon {
  background: rgba(14, 165, 233, 0.14);
}

.integration-card--other {
  border-style: dashed;
  background: transparent;
}

.integration-card--other .integration-card__icon {
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
}

.integration-card--other .integration-card__name,
.integration-card--other .integration-card__cat {
  color: var(--color-text-muted);
}

.integration-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  margin-top: auto;
  width: fit-content;
}

.integration-badge--partner {
  background: rgba(14, 165, 233, 0.10);
  color: var(--color-accent-dark);
}

.integration-badge--conditional {
  background: rgba(245, 158, 11, 0.10);
  color: var(--color-warning);
}

.integrations-note {
  margin-top: var(--space-10);
  padding: var(--space-5) var(--space-6);
  background: var(--color-dark);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-accent);
}

.integrations-note p {
  color: var(--color-text-dim);
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  margin: 0;
}

.integrations-note strong {
  color: var(--color-text-light);
}

/* ============================================================
   20. RESPONSIVE — TABLET (≤1024px)
   ============================================================ */
@media (max-width: 1024px) {
  :root { --container-pad: var(--space-5); }

  .hero__inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero__content { max-width: 100%; }
  .hero__visual { order: -1; }
  .dashboard-img { max-width: 100%; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
  .stat-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .stat-card:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.06); }
  .stat-card:last-child, .stat-card:nth-last-child(2) { border-bottom: none; }

  .value-grid { grid-template-columns: repeat(2, 1fr); }

  .solutions-grid { grid-template-columns: 1fr; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }

  .integrations-grid { grid-template-columns: repeat(3, 1fr); }

  .bi-value-inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .metric-stack { max-width: 100%; }

  .about-inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .about-card-stack { height: 280px; }
  .about-card--back { width: 240px; height: 170px; }
  .about-card--front { width: 250px; height: 180px; }

  .cta-band__inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-8);
  }
  .cta-band__text { max-width: 100%; }

  .contact-inner { grid-template-columns: 1fr; gap: var(--space-12); }

  .footer-top { grid-template-columns: 1fr; gap: var(--space-10); }
  .footer-nav { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
   21. RESPONSIVE — MOBILE (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .section { padding: var(--space-16) 0; }

  /* Mobile nav */
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: var(--space-6);
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    gap: var(--space-2);
    align-items: stretch;
  }

  .nav-link {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    color: var(--color-text) !important;
  }

  .nav-link--cta {
    text-align: center;
    margin-top: var(--space-2);
  }

  /* Hero inner padding: reduce on mobile to prevent excessive height */
  .hero { min-height: 0; padding-bottom: var(--space-16); }
  .hero__inner {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }
  /* Hide decorative dashboard image on mobile — saves space, keeps focus on copy */
  .hero__visual { display: none; }

  /* Typography scale down */
  .section-title { font-size: var(--text-3xl); }
  .section-lead { font-size: var(--text-base); }
  .hero__title { font-size: var(--text-4xl); }
  .hero__lead { font-size: var(--text-base); }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
  .stat-card { padding: var(--space-4); }
  .stat-card__number { font-size: var(--text-3xl); }

  .value-grid { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .integrations-grid { grid-template-columns: repeat(2, 1fr); }
  .quotes-grid { grid-template-columns: 1fr; }

  .hero__actions { flex-direction: column; gap: var(--space-3); }
  .hero__actions .btn { width: 100%; justify-content: center; }

  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: var(--space-6); }

  .footer-nav { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: var(--space-4); }

  .cta-band__actions { flex-direction: column; width: 100%; }
  .cta-band__actions .btn { width: 100%; justify-content: center; }

  .process-steps::before { left: 20px; }
  .process-step { grid-template-columns: 40px 1fr; gap: var(--space-5); }
  .process-step__number { width: 40px; height: 40px; font-size: var(--text-xs); }

  .pillar { grid-template-columns: 1fr; gap: var(--space-1); }
  .bi-value-list li { flex-direction: column; }

  .cta-band__title { font-size: var(--text-2xl); }
}

/* ============================================================
   21b. FAQ
   ============================================================ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}

.faq-question {
  list-style: none;
  padding: var(--space-5) var(--space-6);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  transition: background var(--transition-base);
  user-select: none;
}

.faq-question::-webkit-details-marker { display: none; }

.faq-question::after {
  content: '+';
  font-size: 1.375rem;
  font-weight: 300;
  color: var(--color-accent);
  flex-shrink: 0;
  line-height: 1;
}

details[open] > .faq-question::after { content: '\2212'; }

.faq-question:hover { background: rgba(14,165,233,0.04); }

.faq-answer {
  padding: 0 var(--space-6) var(--space-5);
  border-top: 1px solid var(--color-border);
}

.faq-answer p {
  color: var(--color-text-muted);
  line-height: var(--leading-loose);
  margin-top: var(--space-4);
}

/* ============================================================
   22. RESPONSIVE — SMALL MOBILE (≤480px)
   ============================================================ */
@media (max-width: 480px) {
  :root { --container-pad: var(--space-4); }

  .stats-grid { grid-template-columns: 1fr; }
  .stat-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); }

  .footer-nav { grid-template-columns: 1fr; }

  .integrations-grid { grid-template-columns: 1fr; }

  .hero__trust { flex-direction: column; }

  /* Hide decorative about card stack — not useful on tiny screens */
  .about-visual { display: none; }
}

/* ============================================================
   22b. FAQ RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 768px) {
  .faq-question { padding: var(--space-4) var(--space-4); }
  .faq-answer   { padding: 0 var(--space-4) var(--space-4); }
}