/* ============================================
   NORTHLANE MEDIA - Design System & Styles
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Colors - Neutral palette with subtle blue accent */
  --color-primary: #1a1a1a;
  --color-secondary: #4a4a4a;
  --color-muted: #6b6b6b;
  --color-light: #9a9a9a;
  --color-border: #e0e0e0;
  --color-background: #ffffff;
  --color-background-alt: #f8f8f8;
  --color-background-dark: #1a1a1a;
  --color-accent: #2c5282;
  --color-accent-light: #3d6aa8;
  --color-accent-subtle: #ebf2fa;
  --color-success: #2d7a4f;
  --color-error: #c53030;
  
  /* Gradient colors */
  --gradient-warm: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
  --gradient-cool: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
  --gradient-accent: linear-gradient(135deg, #ebf2fa 0%, #f5f7fa 100%);
  --gradient-hero: linear-gradient(180deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
  --gradient-mesh: radial-gradient(at 40% 20%, rgba(44, 82, 130, 0.03) 0px, transparent 50%),
                   radial-gradient(at 80% 0%, rgba(44, 82, 130, 0.05) 0px, transparent 50%),
                   radial-gradient(at 0% 50%, rgba(44, 82, 130, 0.03) 0px, transparent 50%),
                   radial-gradient(at 80% 50%, rgba(226, 232, 240, 0.8) 0px, transparent 50%),
                   radial-gradient(at 0% 100%, rgba(44, 82, 130, 0.05) 0px, transparent 50%);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  
  /* Font Sizes */
  --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;
  
  /* 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;
  
  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --nav-height: 72px;
  
  /* Effects */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: 0.2s ease;
  --transition-slow: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-primary);
  background: var(--gradient-hero);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* Subtle noise texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  z-index: -1;
}

/* Decorative gradient mesh background */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-mesh);
  pointer-events: none;
  z-index: -2;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 {
  font-size: var(--text-5xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-4xl);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

p {
  color: var(--color-secondary);
}

.lead {
  font-size: var(--text-xl);
  line-height: 1.7;
  color: var(--color-muted);
}

.small {
  font-size: var(--text-sm);
}

.muted {
  color: var(--color-muted);
}

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

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-20) 0;
  position: relative;
}

.section--alt {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  position: relative;
}

/* Decorative corner accents for alt sections */
.section--alt::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle at top right, rgba(44, 82, 130, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.section--alt::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle at bottom left, rgba(44, 82, 130, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.section--dark {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
  color: var(--color-background);
  position: relative;
  overflow: hidden;
}

/* Subtle grid pattern for dark sections */
.section--dark::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-background);
}

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

.grid {
  display: grid;
  gap: var(--space-8);
}

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

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

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex {
  display: flex;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

.flex--between {
  align-items: center;
  justify-content: space-between;
}

.text-center {
  text-align: center;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.95) 100%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(44, 82, 130, 0.08);
  z-index: 1000;
  transition: all var(--transition);
}

.nav--scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border-bottom-color: transparent;
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
}

.nav__logo img {
  height: 36px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-secondary);
  position: relative;
  padding: var(--space-2) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
}

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

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }
  
  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    background-color: var(--color-background);
    padding: var(--space-8);
    gap: var(--space-6);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
  }
  
  .nav__links--open {
    transform: translateX(0);
  }
  
  .nav__link {
    font-size: var(--text-lg);
  }
}

/* Hero */
.hero {
  padding-top: calc(var(--nav-height) + var(--space-20));
  padding-bottom: var(--space-20);
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Decorative floating shapes */
.hero::before {
  content: '';
  position: absolute;
  top: 15%;
  right: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(44, 82, 130, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(44, 82, 130, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 25s ease-in-out infinite reverse;
  pointer-events: none;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(20px, -30px) scale(1.05); }
  50% { transform: translate(-10px, 20px) scale(0.95); }
  75% { transform: translate(30px, 10px) scale(1.02); }
}

.hero__content {
  max-width: 720px;
}

.hero__badge {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  background-color: var(--color-accent-subtle);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-6);
}

.hero__title {
  font-size: var(--text-6xl);
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 600px;
}

.hero__ctas {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d2d 100%);
  color: var(--color-background);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-primary);
}

.btn--accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  color: var(--color-background);
  box-shadow: 0 2px 8px rgba(44, 82, 130, 0.3);
}

.btn--accent:hover {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(44, 82, 130, 0.4);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-secondary);
  padding: var(--space-2) 0;
}

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

.btn--lg {
  font-size: var(--text-base);
  padding: var(--space-5) var(--space-8);
}

/* Cards */
.card {
  background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(44, 82, 130, 0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

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

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

.card--dark {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border: none;
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-5);
  font-size: var(--text-xl);
}

.card__title {
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.card__text {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.7;
}

/* Badge */
.badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
}

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

/* Section Headers */
.section-header {
  max-width: 600px;
  margin-bottom: var(--space-12);
}

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

.section-header__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-header__title {
  margin-bottom: var(--space-4);
}

.section-header__text {
  font-size: var(--text-lg);
  color: var(--color-muted);
}

/* Process Section */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
  position: relative;
}

/* Connecting line between steps */
.process-grid::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-border), var(--color-accent), var(--color-border), transparent);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step__number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  color: var(--color-background);
  font-size: var(--text-lg);
  font-weight: 600;
  border-radius: 50%;
  margin: 0 auto var(--space-5);
  box-shadow: 0 4px 15px rgba(44, 82, 130, 0.3);
  position: relative;
}

.process-step__number::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(44, 82, 130, 0.2);
}

.process-step__title {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.process-step__text {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* Case Study Card */
.case-card {
  display: block;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--color-border);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.case-card__image {
  height: 200px;
  background: 
    linear-gradient(135deg, rgba(44, 82, 130, 0.1) 0%, rgba(44, 82, 130, 0.05) 100%),
    linear-gradient(45deg, #ebf2fa 25%, transparent 25%),
    linear-gradient(-45deg, #ebf2fa 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e2e8f0 75%),
    linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
  background-size: 100% 100%, 30px 30px, 30px 30px, 30px 30px, 30px 30px;
  background-position: 0 0, 0 0, 15px 0, 15px -15px, 0 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.case-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(44, 82, 130, 0.15) 0%, transparent 50%);
}

.case-card__image-placeholder {
  width: 64px;
  height: 64px;
  background-color: var(--color-accent);
  opacity: 0.3;
  border-radius: var(--radius-sm);
}

.case-card__content {
  padding: var(--space-6);
}

.case-card__category {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.case-card__title {
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.case-card__text {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}

.case-card__result {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-success);
}

/* Testimonial */
.testimonial {
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-family: var(--font-display);
  font-size: 120px;
  color: rgba(44, 82, 130, 0.06);
  line-height: 1;
  pointer-events: none;
}

.testimonial__quote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-primary);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial__avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-accent-subtle) 0%, var(--color-border) 100%);
  border-radius: 50%;
}

.testimonial__name {
  font-weight: 600;
  font-size: var(--text-sm);
}

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

/* Industries */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
}

.industry-item {
  text-align: center;
  padding: var(--space-6);
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.industry-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(44, 82, 130, 0.05) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
}

.industry-item:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(44, 82, 130, 0.1);
}

.industry-item:hover::before {
  opacity: 1;
}

.industry-item__icon {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
  opacity: 0.7;
}

.industry-item__name {
  font-size: var(--text-sm);
  font-weight: 500;
}

/* Footer */
.footer {
  background: linear-gradient(180deg, #1a1a1a 0%, #0f0f0f 100%);
  color: var(--color-background);
  padding: var(--space-16) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(ellipse at 20% 0%, rgba(44, 82, 130, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(44, 82, 130, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.footer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(44, 82, 130, 0.3), transparent);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.footer__logo img {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer__text {
  font-size: var(--text-sm);
  color: var(--color-light);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.footer__heading {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-background);
  margin-bottom: var(--space-4);
}

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

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-light);
  transition: color var(--transition);
}

.footer__link:hover {
  color: var(--color-background);
}

.footer__contact-item {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-light);
  margin-bottom: var(--space-3);
}

.footer__contact-item a:hover {
  color: var(--color-background);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-light);
}

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

.footer__legal a {
  font-size: var(--text-sm);
  color: var(--color-light);
}

.footer__legal a:hover {
  color: var(--color-background);
}

/* Page Header */
.page-header {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-16);
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(44, 82, 130, 0.08) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(44, 82, 130, 0.05) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.page-header__content {
  max-width: 720px;
}

.page-header__title {
  margin-bottom: var(--space-4);
}

.page-header__text {
  font-size: var(--text-xl);
  color: var(--color-muted);
}

/* Service Card */
.service-card {
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  opacity: 0.7;
}

.service-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.service-card__description {
  color: var(--color-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.service-card__list {
  margin-bottom: var(--space-6);
}

.service-card__list li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-secondary);
}

.service-card__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.service-card__deliverables {
  background-color: var(--color-background-alt);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
}

.service-card__deliverables-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}

.service-card__deliverables ul li {
  font-size: var(--text-sm);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

/* Case Study Detail */
.case-study {
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-8);
  transition: all var(--transition);
}

.case-study:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.case-study__header {
  background: 
    linear-gradient(135deg, rgba(44, 82, 130, 0.08) 0%, rgba(44, 82, 130, 0.02) 100%),
    linear-gradient(45deg, #ebf2fa 25%, transparent 25%),
    linear-gradient(-45deg, #ebf2fa 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e2e8f0 75%),
    linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
  background-size: 100% 100%, 20px 20px, 20px 20px, 20px 20px, 20px 20px;
  background-position: 0 0, 0 0, 10px 0, 10px -10px, 0 10px;
  padding: var(--space-8);
  position: relative;
}

.case-study__header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(44, 82, 130, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.case-study__category {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.case-study__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
}

.case-study__content {
  padding: var(--space-8);
}

.case-study__section {
  margin-bottom: var(--space-6);
}

.case-study__section:last-child {
  margin-bottom: 0;
}

.case-study__section-title {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.case-study__section-text {
  font-size: var(--text-base);
  color: var(--color-secondary);
  line-height: 1.7;
}

.case-study__deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.case-study__outcome {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background-color: var(--color-accent-subtle);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
}

.case-study__outcome-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-accent);
}

.case-study__outcome-label {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

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

.team-member {
  text-align: center;
}

.team-member__photo {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--color-accent-subtle) 0%, var(--color-border) 100%);
  border-radius: 50%;
  margin: 0 auto var(--space-4);
}

.team-member__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.team-member__role {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
}

.value-item {
  text-align: center;
  padding: var(--space-6);
}

.value-item__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.value-item__text {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* Contact Form */
.contact-form {
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light), var(--color-accent));
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.form-label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-background);
  transition: border-color var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-input--error,
.form-textarea--error {
  border-color: var(--color-error);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-2);
}

.form-success {
  background-color: rgba(45, 122, 79, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  text-align: center;
}

/* Contact Info Card */
.contact-info-card {
  background: linear-gradient(145deg, #f8fafc 0%, #e2e8f0 100%);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  height: 100%;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(44, 82, 130, 0.1);
}

.contact-info-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(44, 82, 130, 0.08) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.contact-info-item {
  margin-bottom: var(--space-6);
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-info-item__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: var(--space-2);
}

.contact-info-item__value {
  font-size: var(--text-base);
  color: var(--color-primary);
}

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

.contact-info-item__value a:hover {
  text-decoration: underline;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 0 var(--space-4);
}

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

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) 0;
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  font-weight: 500;
  text-align: left;
  color: var(--color-primary);
  cursor: pointer;
  transition: color var(--transition);
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__icon {
  font-size: var(--text-xl);
  transition: transform var(--transition);
}

.faq-item--open .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item--open .faq-item__answer {
  max-height: 500px;
}

.faq-item__answer-inner {
  padding-bottom: var(--space-6);
  color: var(--color-muted);
  line-height: 1.8;
}

/* Legal Pages */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: var(--text-2xl);
  margin: var(--space-10) 0 var(--space-4);
}

.legal-content h3 {
  font-size: var(--text-xl);
  margin: var(--space-8) 0 var(--space-3);
}

.legal-content p {
  margin-bottom: var(--space-4);
  line-height: 1.8;
}

.legal-content ul {
  margin: var(--space-4) 0;
  padding-left: var(--space-6);
}

.legal-content ul li {
  position: relative;
  margin-bottom: var(--space-2);
  color: var(--color-secondary);
}

.legal-content ul li::before {
  content: '•';
  position: absolute;
  left: calc(var(--space-6) * -1);
  color: var(--color-accent);
}

/* Metrics Section */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.metric-item {
  text-align: center;
  padding: var(--space-6);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.metric-item__title {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.metric-item__text {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* Disclaimer */
.disclaimer {
  background-color: var(--color-background-alt);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-5);
  margin: var(--space-8) 0;
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: var(--space-16);
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #ebf2fa 100%);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(44, 82, 130, 0.1);
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(44, 82, 130, 0.06) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -50%;
  right: -10%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(44, 82, 130, 0.08) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section__title {
  margin-bottom: var(--space-4);
}

.cta-section__text {
  font-size: var(--text-lg);
  color: var(--color-muted);
  margin-bottom: var(--space-8);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* Responsive */
@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .industries-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --text-5xl: 2.5rem;
    --text-6xl: 3rem;
  }
  
  .section {
    padding: var(--space-12) 0;
  }
  
  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }
  
  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-12));
    padding-bottom: var(--space-12);
  }
  
  .hero__ctas {
    flex-direction: column;
  }
  
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
  
  .industries-grid {
    grid-template-columns: 1fr;
  }
  
  .values-grid {
    grid-template-columns: 1fr;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background-color: var(--color-primary);
  color: var(--color-background);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .nav,
  .footer,
  .btn {
    display: none;
  }
  
  body {
    font-size: 12pt;
  }
  
  .section {
    padding: 1rem 0;
  }
}