/* ============================================================
   HEXADIO DIGITAL — CORE STYLES
   Premium Corporate Consulting Website
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ============================================================
   CSS VARIABLES — DESIGN SYSTEM
   ============================================================ */
:root {
  /* Colors */
  --color-bg:           #FAF9F6;
  --color-white:        #FFFFFF;
  --color-border:       #ECECEC;
  --color-text:         #1B1B1B;
  --color-text-secondary: #666666;
  --color-accent:       #2E4F6D;
  --color-accent-hover: #355D82;
  --color-success:      #1D7A46;
  --color-card:         #FFFFFF;

  /* Subtle gradient */
  --gradient-hero:      linear-gradient(135deg, #FAF9F6 0%, #F0EDE6 100%);
  --gradient-accent:    linear-gradient(135deg, #2E4F6D 0%, #355D82 100%);

  /* Typography */
  --font-heading:       'Manrope', sans-serif;
  --font-body:          'Inter', sans-serif;

  /* Spacing */
  --space-xs:    0.5rem;
  --space-sm:    1rem;
  --space-md:    1.5rem;
  --space-lg:    2rem;
  --space-xl:    3rem;
  --space-2xl:   4rem;
  --space-3xl:   6rem;
  --space-4xl:   8rem;

  /* Border radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.07);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.09);
  --shadow-hover: 0 12px 40px rgba(46,79,109,0.12);

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-med:  0.28s ease;
  --transition-slow: 0.4s ease;

  /* Max widths */
  --max-width:      1200px;
  --max-width-text: 720px;

  /* Nav height */
  --nav-height: 72px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.625rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.75;
  max-width: 65ch;
}

strong { font-weight: 600; color: var(--color-text); }
em { font-style: italic; }

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

.section {
  padding: var(--space-3xl) 0;
}

.section-sm {
  padding: var(--space-2xl) 0;
}

.section-lg {
  padding: var(--space-4xl) 0;
}

.section-header {
  margin-bottom: var(--space-2xl);
}

.section-header.centered {
  text-align: center;
}

.section-header.centered p {
  margin: 0 auto;
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  margin-bottom: var(--space-sm);
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 60ch;
}

.section-description.wide {
  max-width: 75ch;
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }

/* Flex */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(250,249,246,0.97);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color var(--transition-med), box-shadow var(--transition-med);
}

.site-nav.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

/* Logo */
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-decoration: none;
}

.nav-logo-primary {
  font-family: var(--font-heading);
  font-size: 1.1875rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.nav-logo-secondary {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

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

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: 0.25rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
  transform-origin: left;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* Nav CTA */
.nav-cta {
  margin-left: var(--space-sm);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.375rem;
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-height);
  background: var(--color-bg);
  padding: var(--space-xl) var(--space-lg);
  flex-direction: column;
  gap: var(--space-sm);
  z-index: 999;
  overflow-y: auto;
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile .nav-link {
  font-size: 1.25rem;
  padding: var(--space-xs) 0;
}

.nav-mobile .nav-link::after {
  display: none;
}

.nav-mobile .btn {
  margin-top: var(--space-md);
  align-self: flex-start;
}

/* Page offset */
.page-content {
  padding-top: var(--nav-height);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--gradient-hero);
  padding: var(--space-4xl) 0 var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at top right, rgba(46,79,109,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.hero-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-accent);
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  letter-spacing: -0.03em;
}

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

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero-compact {
  padding: var(--space-3xl) 0;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.hero-highlight {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(46,79,109,0.06);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 600;
}

.hero-scroll {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: var(--space-3xl);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.hero-scroll-line {
  width: 40px;
  height: 1px;
  background: var(--color-border);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  padding: 0.8125rem 1.75rem;
  transition: all var(--transition-fast);
  border: 1.5px solid transparent;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  line-height: 1;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
}

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

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.5625rem 1.25rem;
  font-size: 0.875rem;
}

.btn-full { width: 100%; }

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.btn-icon svg {
  transition: transform var(--transition-fast);
}

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

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-med), transform var(--transition-med);
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.card-sm {
  padding: var(--space-lg);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(46,79,109,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
  flex-shrink: 0;
}

.card-icon svg {
  width: 20px;
  height: 20px;
}

.card-title {
  font-size: 1.1875rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.card-text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: var(--space-md);
  transition: gap var(--transition-fast);
}

.card-link:hover {
  gap: 0.625rem;
}

/* ============================================================
   STATISTICS / METRICS
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.stat-item {
  background: var(--color-white);
  padding: var(--space-xl);
  text-align: center;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: var(--gradient-accent);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-section p {
  color: rgba(255,255,255,0.8);
  margin: 0 auto var(--space-xl);
  font-size: 1.125rem;
}

.cta-section .btn-primary {
  background: var(--color-white);
  color: var(--color-accent);
  border-color: var(--color-white);
}

.cta-section .btn-primary:hover {
  background: var(--color-bg);
  border-color: var(--color-bg);
}

.cta-section .btn-secondary {
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}

.cta-section .btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}

.cta-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-actions-3 .btn {
  min-width: 160px;
}

.quick-cta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
  width: 100%;
  max-width: 760px;
}

.card-link-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: auto;
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 700;
}

.mini-list {
  margin: var(--space-sm) 0 0;
  padding-left: 1rem;
  color: var(--color-text-secondary);
}

.mini-list li {
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
}

.detail-grid-compact {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.detail-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

.detail-card h2 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.detail-card p {
  max-width: none;
}

.detail-card-span {
  grid-column: 1 / -1;
}

.mobile-cta-bar {
  display: none;
}

.mobile-cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  border-right: 1px solid rgba(46,79,109,0.08);
}

.mobile-cta-link:last-child {
  border-right: none;
}

.mobile-cta-link-primary {
  color: var(--color-white);
  background: var(--color-accent);
}

/* ============================================================
   DIVIDERS
   ============================================================ */
.divider {
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin: var(--space-sm) 0 var(--space-md);
  border-radius: 1px;
}

.divider-center {
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   BADGE
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid;
}

.badge-accent {
  background: rgba(46,79,109,0.06);
  border-color: rgba(46,79,109,0.15);
  color: var(--color-accent);
}

.badge-success {
  background: rgba(29,122,70,0.07);
  border-color: rgba(29,122,70,0.2);
  color: var(--color-success);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #1a1a1a;
  color: rgba(255,255,255,0.75);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand .nav-logo-primary {
  color: var(--color-white);
}

.footer-brand .nav-logo-secondary {
  color: rgba(255,255,255,0.45);
}

.footer-tagline {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.55);
  margin-top: var(--space-md);
  max-width: 28ch;
  line-height: 1.65;
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
  color: rgba(255,255,255,0.7);
}

.footer-social a:hover {
  background: rgba(255,255,255,0.16);
  color: var(--color-white);
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-links a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-bottom-text {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-md);
}

.footer-bottom-links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-white);
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(46,79,109,0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #aaa;
}

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

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-top: 0.375rem;
}

.form-success {
  display: none;
  padding: var(--space-md);
  background: rgba(29,122,70,0.07);
  border: 1px solid rgba(29,122,70,0.2);
  border-radius: var(--radius-md);
  color: var(--color-success);
  font-size: 0.9375rem;
  font-weight: 500;
  margin-top: var(--space-md);
}

.form-success.visible {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
}

/* Stagger delays */
.delay-1 { transition-delay: 0.05s; }
.delay-2 { transition-delay: 0.1s; }
.delay-3 { transition-delay: 0.15s; }
.delay-4 { transition-delay: 0.2s; }
.delay-5 { transition-delay: 0.25s; }
.delay-6 { transition-delay: 0.3s; }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.breadcrumb a {
  color: var(--color-accent);
  font-weight: 500;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: var(--gradient-hero);
  padding: var(--space-3xl) 0 var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.page-hero .section-label {
  margin-bottom: var(--space-xs);
}

.page-hero h1 {
  margin-bottom: var(--space-sm);
}

.page-hero p {
  font-size: 1.125rem;
  max-width: 56ch;
}

.page-hero-compact {
  padding: var(--space-2xl) 0;
}

.page-hero-compact p {
  font-size: 1rem;
  max-width: 48ch;
}

/* ============================================================
   CHECKLIST
   ============================================================ */
.checklist {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.checklist-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(29,122,70,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-success);
}

/* ============================================================
   TESTIMONIALS / QUOTES
   ============================================================ */
.quote-block {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
}

.quote-text {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-xs);
}

.quote-attribution {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ============================================================
   TAGS
   ============================================================ */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--space-sm) 0;
}

.tag {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(46,79,109,0.06);
  color: var(--color-accent);
  border: 1px solid rgba(46,79,109,0.12);
}

/* ============================================================
   ACCORDION
   ============================================================ */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: rgba(46,79,109,0.03);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  color: var(--color-accent);
}

.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
}

.accordion-body {
  display: none;
  padding: 0 var(--space-lg) var(--space-md);
  background: var(--color-white);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.accordion-item.open .accordion-body {
  display: block;
}

/* ============================================================
   INSIGHT / BLOG CARD
   ============================================================ */
.insight-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-med), transform var(--transition-med);
}

.insight-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.insight-card-image {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, rgba(46,79,109,0.08), rgba(46,79,109,0.14));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  overflow: hidden;
}

.insight-card-body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.insight-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.insight-meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-text-secondary);
}

.insight-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.insight-card-excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  flex: 1;
}

.insight-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

/* ============================================================
   FEATURED ARTICLE
   ============================================================ */
.featured-article {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-2xl);
}

.featured-article-image {
  background: linear-gradient(135deg, rgba(46,79,109,0.1), rgba(46,79,109,0.2));
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.featured-article-body {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.featured-article-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-bottom: var(--space-sm);
}

/* ============================================================
   CASE STUDY CARD
   ============================================================ */
.case-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-med), transform var(--transition-med);
}

.case-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.case-card-header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  background: rgba(46,79,109,0.025);
}

.case-card-industry {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.375rem;
}

.case-card-title {
  font-size: 1.1875rem;
  font-weight: 700;
}

.case-card-body {
  padding: var(--space-xl);
}

.case-metric {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
}

.case-metric-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.case-metric-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  margin-top: 0.25rem;
}

.case-metrics {
  display: flex;
  gap: var(--space-lg);
  margin: var(--space-md) 0;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* ============================================================
   SERVICE DETAIL
   ============================================================ */
.service-section {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.service-section:last-child {
  border-bottom: none;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2xl);
  align-items: start;
}

.service-sticky {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-lg));
}

/* ============================================================
   INDUSTRY CARD
   ============================================================ */
.industry-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-med), transform var(--transition-med), border-color var(--transition-med);
}

.industry-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: rgba(46,79,109,0.25);
}

/* ============================================================
   STEP / PROCESS
   ============================================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  position: relative;
}

.process-step {
  text-align: center;
  padding: var(--space-lg);
}

.process-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(46,79,109,0.08);
  border: 1.5px solid rgba(46,79,109,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* ============================================================
   SKIP LINK (ACCESSIBILITY)
   ============================================================ */
.skip-link {
  position: fixed;
  top: -100px;
  left: var(--space-lg);
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-med), transform var(--transition-fast);
  box-shadow: var(--shadow-md);
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* ============================================================
   SEARCH
   ============================================================ */
.search-bar {
  position: relative;
  max-width: 480px;
}

.search-bar input {
  padding-left: 2.75rem;
}

.search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  pointer-events: none;
}

/* ============================================================
   UTILITY
   ============================================================ */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-accent { color: var(--color-accent); }
.text-muted  { color: var(--color-text-secondary); }
.text-white  { color: var(--color-white); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   ARTICLE BODY — Long-form article content
   ============================================================ */
.article-body {
  max-width: var(--max-width-text);
}
.article-body p {
  margin-bottom: var(--space-md);
  line-height: 1.8;
}
.article-body h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-sm);
}
.article-body h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xs);
}
.article-body ul,
.article-body ol {
  margin-bottom: var(--space-md);
  padding-left: 1.5em;
  line-height: 1.8;
}
.article-body li {
  margin-bottom: var(--space-xs);
}

/* ============================================================
   RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-detail-grid { grid-template-columns: 1fr; }
  .service-sticky { position: static; }
  .featured-article { grid-template-columns: 1fr; }
  .featured-article-image { min-height: 220px; }
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --space-3xl: 4rem;
    --space-4xl: 5rem;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

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

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

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .quick-cta-grid,
  .detail-grid-compact {
    grid-template-columns: 1fr;
  }

  .hero-highlights {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links, .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .quick-cta-grid .btn,
  .cta-actions .btn {
    width: 100%;
  }

  .mobile-cta-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1002;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: rgba(255,255,255,0.98);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -6px 18px rgba(0,0,0,0.08);
  }

  .container {
    padding: 0 var(--space-md);
  }

  .page-content {
    padding-bottom: 4.5rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .case-metrics {
    flex-direction: column;
    gap: var(--space-sm);
  }
}