/* ==========================================================================
   OVYDATA - Premium B2B Website Styles
   Redesigned for editorial feel, better hierarchy, and premium aesthetics
   ========================================================================== */

:root {
  /* Brand Colors */
  --color-ink: #102a43;
  --color-ink-strong: #0a1f33;
  --color-ink-soft: #4a6076;
  --color-ink-muted: #6b8299;
  --color-accent: #0b6e8a;
  --color-accent-dark: #085566;
  --color-accent-soft: #d9f2f7;
  --color-accent-subtle: #e8f7fa;
  
  /* Surfaces */
  --color-surface: #ffffff;
  --color-surface-muted: #f5f9fb;
  --color-surface-strong: #0f2233;
  --color-surface-elevated: rgba(255, 255, 255, 0.96);
  
  /* Borders */
  --color-border: rgba(16, 42, 67, 0.1);
  --color-border-strong: rgba(16, 42, 67, 0.18);
  --color-border-accent: rgba(11, 110, 138, 0.2);
  
  /* Feedback */
  --color-success: #0f766e;
  --color-error: #b42318;
  
  /* Shadows - more refined */
  --shadow-xs: 0 1px 2px rgba(16, 42, 67, 0.04);
  --shadow-sm: 0 4px 12px rgba(16, 42, 67, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 42, 67, 0.08);
  --shadow-lg: 0 16px 48px rgba(16, 42, 67, 0.1);
  --shadow-xl: 0 24px 64px rgba(16, 42, 67, 0.12);
  --shadow-card: 0 1px 3px rgba(16, 42, 67, 0.04), 0 12px 32px rgba(16, 42, 67, 0.08);
  --shadow-card-hover: 0 1px 3px rgba(16, 42, 67, 0.04), 0 20px 48px rgba(16, 42, 67, 0.12);
  
  /* Radius - slightly smaller for premium feel */
  --radius-xs: 0.5rem;
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.5rem;
  --radius-pill: 999px;
  
  /* Layout */
  --container-width: 72rem;
  --container-narrow: 56rem;
  --header-height: 4.5rem;
  
  /* Spacing - refined rhythm */
  --section-space: clamp(5rem, 10vw, 8rem);
  --section-space-tight: clamp(3.5rem, 7vw, 5.5rem);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 200ms ease;
  --transition-slow: 350ms ease;
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 20rem;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 1rem;
  font-feature-settings: "cv11", "salt", "ss01", "ss03";
  color: var(--color-ink);
  background: linear-gradient(180deg, #fcfeff 0%, #f8fbfc 100%);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-locked {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

textarea {
  resize: vertical;
}

::selection {
  color: #ffffff;
  background: var(--color-accent);
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: #ffffff;
  font-weight: 600;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 1rem;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: min(var(--container-width), calc(100% - 2rem));
  margin-inline: auto;
}

.container-narrow {
  width: min(var(--container-narrow), calc(100% - 2rem));
  margin-inline: auto;
}

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

.section-tight {
  padding-block: var(--section-space-tight);
}

/* Premium glassmorphism shell */
.section-shell {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
}

/* ==========================================================================
   Typography - Editorial Premium Feel
   ========================================================================== */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
  color: var(--color-accent);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 2rem;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

/* Titles - more dramatic sizing and tracking */
.section-title,
.page-title,
.hero-title {
  margin: 0;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--color-ink-strong);
  text-wrap: balance;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw + 1rem, 4.5rem);
  max-width: 14ch;
  line-height: 1.05;
}

.page-title {
  font-size: clamp(2.25rem, 5vw + 0.5rem, 3.75rem);
  max-width: 16ch;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw + 0.5rem, 2.75rem);
  max-width: 20ch;
}

/* Lead text - refined */
.lead,
.section-intro,
.page-lead {
  font-size: clamp(1.0625rem, 1.5vw + 0.25rem, 1.25rem);
  line-height: 1.65;
  color: var(--color-ink-soft);
}

.section-intro {
  max-width: 42rem;
}

.lead {
  max-width: 38rem;
}

/* ==========================================================================
   Layout Utilities
   ========================================================================== */

.stack {
  display: grid;
  gap: 1.25rem;
}

.stack-tight {
  display: grid;
  gap: 0.875rem;
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ==========================================================================
   Buttons - Refined Premium Style
   ========================================================================== */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  white-space: nowrap;
  transition: 
    transform var(--transition-fast),
    box-shadow var(--transition),
    border-color var(--transition),
    background-color var(--transition),
    color var(--transition);
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.button-primary {
  background: var(--color-ink);
  color: #ffffff;
  box-shadow: 0 1px 2px rgba(16, 42, 67, 0.1), 0 4px 12px rgba(16, 42, 67, 0.15);
}

.button-primary:hover {
  background: var(--color-ink-strong);
  box-shadow: 0 1px 2px rgba(16, 42, 67, 0.1), 0 8px 20px rgba(16, 42, 67, 0.2);
}

.button-secondary {
  border-color: var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-ink);
}

.button-secondary:hover {
  border-color: var(--color-border-accent);
  background: var(--color-surface-muted);
  color: var(--color-accent);
}

/* Text Links */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9375rem;
}

.text-link::after {
  content: "";
  width: 1rem;
  height: 1rem;
  background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M17 8l4 4m0 0l-4 4m4-4H3'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform var(--transition);
}

.text-link:hover::after {
  transform: translateX(3px);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 1.25rem;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9375rem;
}

.card-link::after {
  content: "";
  width: 1rem;
  height: 1rem;
  background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M17 8l4 4m0 0l-4 4m4-4H3'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform var(--transition);
}

.card-link:hover::after {
  transform: translateX(3px);
}

/* ==========================================================================
   Header - Refined Premium Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-top: 1rem;
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: var(--header-height);
  padding: 0.625rem 0.75rem 0.625rem 1.25rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(16px);
  transition: 
    background-color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.site-header.scrolled .header-shell {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  flex-shrink: 0;
}

.brand img {
  width: auto;
  height: 1.625rem;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 600;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  color: var(--color-ink-soft);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: 
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-current {
  color: var(--color-ink);
  background: rgba(16, 42, 67, 0.05);
}

.nav-cta {
  margin-left: 0.5rem;
}

.nav-scrim {
  display: none;
}

/* ==========================================================================
   Main Content
   ========================================================================== */

.main-content {
  overflow: clip;
}

/* ==========================================================================
   Hero - Premium Editorial Style
   ========================================================================== */

.hero {
  padding-top: clamp(3.5rem, 8vw, 6rem);
  padding-bottom: var(--section-space);
}

.hero-grid {
  display: grid;
  gap: 3rem;
}

.hero-copy {
  display: grid;
  gap: 1.5rem;
}

.hero-copy .lead {
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* Trust list - refined bullet points */
.trust-list {
  display: grid;
  gap: 0.75rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.trust-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
  line-height: 1.5;
}

.trust-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Hero Visual - Premium Panel */
.hero-visual {
  position: relative;
  display: grid;
  gap: 1rem;
}

.hero-panel {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-card);
}

.hero-panel-dark {
  background: linear-gradient(135deg, var(--color-surface-strong) 0%, #1a3a52 100%);
  border-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  box-shadow: var(--shadow-xl);
}

.hero-panel-dark .panel-kicker {
  color: var(--color-accent-soft);
}

.hero-panel-dark .hero-visual-copy {
  color: rgba(255, 255, 255, 0.7);
}

.panel-kicker {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.panel-title {
  margin: 0;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.hero-visual-copy {
  margin: 1rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-ink-soft);
}

/* Metric Grid */
.metric-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.metric-card {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
}

.metric-label {
  display: block;
  margin-bottom: 0.375rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-value {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
}

/* Flow Panel */
.hero-flow {
  padding: 1.5rem;
}

.flow-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.flow-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 500;
}

.flow-arrow {
  color: var(--color-accent);
  font-size: 1.25rem;
  font-weight: 500;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */

.section-header {
  display: grid;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.section-header.compact {
  margin-bottom: 1.75rem;
}

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

.section-header.centered .section-title {
  max-width: 24ch;
}

.section-header.centered .section-intro {
  max-width: 38rem;
}

/* ==========================================================================
   Cards - Premium Refined Design
   ========================================================================== */

.surface-card,
.service-card,
.industry-card,
.principle-card,
.contact-card,
.info-card,
.stat-card {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-sm);
  transition: 
    box-shadow var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.surface-card:hover,
.service-card:hover,
.industry-card:hover,
.principle-card:hover {
  border-color: var(--color-border-accent);
  box-shadow: var(--shadow-card);
}

.service-card h3,
.industry-card h3,
.principle-card h3,
.contact-card h3,
.surface-card h3,
.info-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-ink-strong);
}

.service-card p,
.industry-card p,
.principle-card p,
.contact-card p,
.surface-card p,
.info-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-ink-soft);
}

/* Problem Cards - Subtle accent */
.problem-card {
  position: relative;
  overflow: hidden;
}

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

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

/* Audience Cards */
.audience-card {
  background: linear-gradient(180deg, var(--color-accent-subtle) 0%, var(--color-surface-elevated) 100%);
}

/* ==========================================================================
   Grids - Editorial Layouts
   ========================================================================== */

.two-column-grid,
.three-column-grid,
.four-column-grid,
.services-grid,
.industry-grid,
.process-grid,
.principles-grid,
.card-grid,
.metric-grid,
.detail-columns,
.contact-grid {
  display: grid;
  gap: 1.25rem;
}

/* ==========================================================================
   Solution Section - Premium Split Layout
   ========================================================================== */

.solution-layout {
  display: grid;
  gap: 2rem;
  padding: clamp(1.75rem, 4vw, 2.5rem);
}

.check-list {
  display: grid;
  gap: 0.625rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.625rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.375rem;
  width: 1rem;
  height: 1rem;
  background: var(--color-accent);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2.5' d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/contain no-repeat;
}

.inline-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.inline-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
}

.inline-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.625rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

.service-points {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-points li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
}

.service-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.625rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Stat Band */
.stat-band {
  display: grid;
  gap: 1rem;
}

.stat-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
}

.stat-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.stat-value {
  display: block;
  margin-bottom: 0.625rem;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-ink-strong);
}

.stat-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-ink-muted);
}

/* ==========================================================================
   Process Section - Numbered Steps
   ========================================================================== */

.process-grid {
  counter-reset: process;
}

.process-card {
  position: relative;
  padding: 1.75rem 1.5rem 1.5rem 1.5rem;
}

.process-card::before {
  counter-increment: process;
  content: counter(process, decimal-leading-zero);
  display: block;
  margin-bottom: 1rem;
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.process-card h3 {
  margin: 0 0 0.625rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-ink-strong);
}

.process-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
}

/* ==========================================================================
   Page Hero - Subpages
   ========================================================================== */

.page-hero {
  padding-top: clamp(3rem, 7vw, 5rem);
  padding-bottom: var(--section-space-tight);
}

.page-hero-grid {
  display: grid;
  gap: 2rem;
}

.page-hero-copy {
  display: grid;
  gap: 1.25rem;
}

.page-lead {
  margin: 0;
}

.page-hero-panel {
  padding: clamp(1.5rem, 3.5vw, 2rem);
  background: linear-gradient(180deg, var(--color-accent-subtle) 0%, var(--color-surface-elevated) 100%);
}

/* Anchor Navigation */
.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 0.5rem;
}

.anchor-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 500;
  transition: 
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.anchor-nav a:hover {
  border-color: var(--color-border-accent);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

/* ==========================================================================
   Service/Industry Layouts
   ========================================================================== */

.service-layout,
.industry-layout,
.about-layout {
  display: grid;
  gap: 2rem;
  padding: clamp(1.75rem, 4vw, 2.5rem);
}

.service-meta,
.industry-meta {
  display: grid;
  gap: 1.25rem;
}

.service-number,
.industry-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 700;
}

.detail-columns {
  gap: 1rem;
}

.detail-box {
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.detail-box h3 {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-ink-strong);
}

.detail-box p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-ink-soft);
}

.detail-box .check-list {
  gap: 0.5rem;
}

.detail-box .check-list li {
  font-size: 0.875rem;
}

/* ==========================================================================
   Principles & About
   ========================================================================== */

.principles-grid {
  gap: 1rem;
}

.principle-card {
  padding: 1.75rem;
}

.quote-card {
  padding: clamp(1.75rem, 4vw, 2.25rem);
  border-left: 3px solid var(--color-accent);
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-accent-subtle) 100%);
}

.quote-card blockquote {
  margin: 0;
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-ink-strong);
}

.quote-card p {
  margin: 1.25rem 0 0;
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
}

/* ==========================================================================
   CTA Band - Premium Style
   ========================================================================== */

.cta-band {
  padding: clamp(2rem, 5vw, 3rem);
  background: linear-gradient(135deg, var(--color-accent-subtle) 0%, rgba(255, 255, 255, 0.9) 100%);
  border: 1px solid var(--color-border-accent);
}

.cta-band h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-ink-strong);
  max-width: 28ch;
}

.cta-band p {
  margin: 0;
  font-size: 1rem;
  color: var(--color-ink-soft);
  max-width: 42rem;
}

.cta-band .cluster {
  margin-top: 1.5rem;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-grid {
  gap: 1.5rem;
}

.contact-panel {
  display: grid;
  gap: 1rem;
}

.contact-card {
  padding: 1.5rem;
}

.contact-card h2 {
  margin: 0 0 0.875rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-ink-strong);
}

.contact-list {
  display: grid;
  gap: 0.625rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9375rem;
}

.contact-list a {
  color: var(--color-accent);
  font-weight: 600;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 500;
  transition: 
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.social-link:hover {
  border-color: var(--color-border-accent);
  color: var(--color-accent);
}

/* Contact Form */
.contact-form {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.5rem, 4vw, 2rem);
}

.form-row {
  display: grid;
  gap: 1.25rem;
}

.field {
  display: grid;
  gap: 0.375rem;
}

.field-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
}

.input-field {
  width: 100%;
  min-height: 2.875rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 0.9375rem;
  transition: 
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.input-field::placeholder {
  color: var(--color-ink-muted);
}

.input-field:hover {
  border-color: var(--color-border-accent);
}

.input-field:focus-visible {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(11, 110, 138, 0.1);
  outline: none;
}

.input-field[aria-invalid="true"] {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.08);
}

.field textarea.input-field {
  min-height: 8rem;
  resize: vertical;
}

.field-note {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
}

.form-error {
  min-height: 1rem;
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-error);
}

.checkbox-field {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
}

.checkbox-input {
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.125rem;
  accent-color: var(--color-accent);
}

.checkbox-field span {
  font-size: 0.875rem;
  color: var(--color-ink-soft);
}

.checkbox-field a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(11, 110, 138, 0.3);
  text-underline-offset: 2px;
}

.form-status {
  min-height: 1.25rem;
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
}

.form-status.is-success {
  color: var(--color-success);
}

.privacy-note {
  padding: 1.25rem;
  border: 1px dashed var(--color-border-accent);
  border-radius: var(--radius-sm);
  background: var(--color-accent-subtle);
  font-size: 0.875rem;
  color: var(--color-ink);
}

.privacy-note strong {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

/* ==========================================================================
   Footer - Premium Dark Style
   ========================================================================== */

.site-footer {
  padding-block: 1.5rem 2rem;
}

.footer-card {
  padding: clamp(1.75rem, 4vw, 2.5rem);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-surface-strong) 0%, #1a3a52 100%);
  color: #ffffff;
  box-shadow: var(--shadow-xl);
}

.footer-top {
  display: grid;
  gap: 2rem;
}

.footer-brand {
  display: grid;
  gap: 1rem;
}

.footer-brand img {
  height: 1.625rem;
  width: auto;
}

.footer-copy {
  margin: 0;
  max-width: 24rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links,
.footer-socials {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-link,
.footer-social {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-link:hover,
.footer-link:focus-visible,
.footer-social:hover,
.footer-social:focus-visible {
  color: #ffffff;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   Reveal Animations
   ========================================================================== */

.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: 
    opacity 500ms ease,
    transform 500ms ease;
}

.has-js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive - Tablet
   ========================================================================== */

@media (min-width: 40rem) {
  .container {
    width: min(var(--container-width), calc(100% - 3rem));
  }

  .metric-grid,
  .three-column-grid,
  .process-grid,
  .services-grid,
  .industry-grid,
  .principles-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .two-column-grid,
  .solution-layout,
  .page-hero-grid,
  .contact-grid,
  .form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .four-column-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stat-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .flow-row {
    justify-content: center;
  }
}

/* ==========================================================================
   Responsive - Desktop
   ========================================================================== */

@media (min-width: 56rem) {
  .hero-grid,
  .page-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
    align-items: center;
    gap: 3rem;
  }

  .solution-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 2.5rem;
  }

  .detail-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .four-column-grid,
  .services-grid,
  .industry-grid,
  .process-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .three-column-grid,
  .principles-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .service-layout,
  .industry-layout,
  .about-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .footer-top {
    grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 0.6fr));
    gap: 2.5rem;
  }
}

/* ==========================================================================
   Mobile Navigation
   ========================================================================== */

@media (max-width: 55.99rem) {
  .has-js .menu-toggle {
    display: inline-flex;
  }

  .has-js .site-nav {
    position: fixed;
    left: 1rem;
    right: 1rem;
    top: calc(var(--header-height) + 1.25rem);
    z-index: 60;
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface-elevated);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: 
      opacity var(--transition),
      visibility var(--transition),
      transform var(--transition);
  }

  .has-js.nav-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .has-js .nav-list {
    display: grid;
    gap: 0.25rem;
  }

  .has-js .nav-link,
  .has-js .nav-cta {
    width: 100%;
    justify-content: center;
  }

  .has-js .nav-scrim {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: block;
    background: rgba(16, 42, 67, 0.25);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: 
      opacity var(--transition),
      visibility var(--transition);
  }

  .has-js.nav-open .nav-scrim {
    opacity: 1;
    visibility: visible;
  }

  .site-header {
    padding-top: 0.75rem;
  }
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */

@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;
    scroll-behavior: auto !important;
  }

  .has-js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   Split Card Utility
   ========================================================================== */

.split-card {
  display: grid;
  gap: 1.75rem;
  padding: clamp(1.75rem, 4vw, 2.5rem);
}

@media (min-width: 56rem) {
  .split-card {
    gap: 2.5rem;
  }
}