/* Anna Barto Portfolio - Custom Styles */

/* ========================================
   CSS Custom Properties
   ======================================== */
:root {
  /* Colors */
  --warm-beige: #F6F1E7;
  --light-beige: #FAF6F0;
  --soft-terracotta: #C9866A;
  --deep-espresso: #3B2F2F;
  --olive-grey: #8A8F7A;
  --white: #ffffff;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 5rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;

  /* Layout */
  --max-width: 80rem;
  --content-width: 65rem;
  --narrow-width: 48rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--warm-beige);
  color: var(--deep-espresso);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

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

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

.section-header {
  display: inline-block;
  background: rgba(201, 134, 106, 0.1);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.section-title {
  font-size: 1.875rem;
  color: var(--deep-espresso);
}

.section-subtitle {
  font-size: 1.125rem;
  color: rgba(59, 47, 47, 0.7);
  max-width: 42rem;
  margin: 0 auto;
}

.text-muted { color: rgba(59, 47, 47, 0.7); }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.italic { font-style: italic; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

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

.container-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.section-alt {
  background: var(--light-beige);
  margin: 0 calc(-1 * var(--space-md));
  padding: var(--space-3xl) var(--space-md);
}

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

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

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

/* Spacing */
.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); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }

.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); }

/* ========================================
   Navigation
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--warm-beige);
  border-bottom: 1px solid rgba(138, 143, 122, 0.1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--deep-espresso);
  transition: color var(--transition-normal);
  position: relative;
}

.nav-logo::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%) scale(1);
  width: 5px;
  height: 5px;
  background: var(--soft-terracotta);
  border-radius: 50%;
  transition: transform var(--transition-normal);
}

.nav-logo.inactive::after {
  transform: translateX(-50%) scale(0);
}

.nav-logo:hover {
  color: var(--soft-terracotta);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  position: relative;
  color: var(--deep-espresso);
  font-weight: 500;
  transition: color var(--transition-normal);
}

.nav-link:hover {
  color: var(--olive-grey);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%) scale(0);
  width: 5px;
  height: 5px;
  background: var(--soft-terracotta);
  border-radius: 50%;
  transition: transform var(--transition-normal);
}

.nav-link.active {
  color: var(--soft-terracotta);
}

.nav-link.active::after {
  transform: translateX(-50%) scale(1);
}

.nav-cta {
  padding: var(--space-sm) var(--space-lg);
  background: var(--soft-terracotta);
  color: var(--white);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: background var(--transition-normal);
}

.nav-cta:hover {
  background: rgba(201, 134, 106, 0.9);
}

.nav-spacer {
  height: 4rem;
}

/* Mobile Navigation */
.nav-mobile-btn {
  display: none;
  padding: var(--space-sm);
  color: var(--deep-espresso);
}

.nav-mobile-btn svg {
  width: 1.5rem;
  height: 1.5rem;
}

.nav-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(59, 47, 47, 0.5);
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.nav-mobile-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 16rem;
  background: var(--warm-beige);
  z-index: 50;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.nav-mobile-menu.active {
  transform: translateX(0);
}

.nav-mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  border-bottom: 1px solid rgba(138, 143, 122, 0.1);
}

.nav-mobile-header span {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
}

.nav-mobile-body {
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.nav-mobile-link {
  display: block;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--deep-espresso);
  transition: background var(--transition-normal);
}

.nav-mobile-link:hover {
  background: rgba(138, 143, 122, 0.05);
}

.nav-mobile-footer {
  padding: var(--space-md);
  border-top: 1px solid rgba(138, 143, 122, 0.1);
  margin-top: auto;
}

@media (max-width: 768px) {
  .nav-links, .nav-cta-wrapper { display: none; }
  .nav-mobile-btn { display: block; }
  .nav-mobile-overlay, .nav-mobile-menu { display: block; }
}

/* Back Link (Case Study Pages) */
.nav-back {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--deep-espresso);
  font-weight: 500;
  transition: color var(--transition-normal);
}

.nav-back:hover {
  color: var(--soft-terracotta);
}

.nav-back svg {
  width: 1rem;
  height: 1rem;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  min-height: calc(100vh - 4rem);
  display: flex;
  width: 100vw;
  margin-left: calc(50% - 50vw);
}

.hero-image-wrapper {
  width: 40%;
  background: rgba(201, 134, 106, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0 100%);
}

.hero-avatar {
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
}

.hero-content {
  width: 60%;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) var(--space-2xl) var(--space-2xl) 4rem;
}

.hero-inner {
  max-width: 42rem;
}

.hero-title {
  font-size: 3.75rem;
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

.hero-description {
  font-size: 1.125rem;
  color: rgba(59, 47, 47, 0.9);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.hero-about-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--soft-terracotta);
  text-decoration: underline;
  text-decoration-color: var(--soft-terracotta);
  text-underline-offset: 2px;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-xl);
  transition: all var(--transition-normal);
}

.hero-about-link:hover {
  color: rgba(201, 134, 106, 0.8);
  text-decoration-color: rgba(201, 134, 106, 0.8);
}

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

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    min-height: auto;
  }

  .hero-image-wrapper {
    width: 100%;
    height: 40vh;
    clip-path: none;
  }

  .hero-avatar {
    width: 16rem;
    height: 16rem;
  }

  .hero-content {
    width: 100%;
    padding: var(--space-2xl) var(--space-lg);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.btn-primary {
  background: var(--soft-terracotta);
  color: var(--white);
}

.btn-primary:hover {
  background: rgba(201, 134, 106, 0.9);
}

.btn-lg {
  padding: var(--space-md) var(--space-lg);
}

.btn svg, .btn-icon {
  width: 1rem;
  height: 1rem;
}

/* ========================================
   Logo Strip
   ======================================== */
.logo-strip {
  padding: var(--space-2xl) 0;
  border-top: 1px solid rgba(138, 143, 122, 0.1);
}

.logo-strip-title {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(138, 143, 122, 0.7);
  text-align: center;
  margin-bottom: var(--space-xl);
}

.logo-strip-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl) var(--space-2xl);
}

.logo-strip-logo {
  height: 2.5rem;
  opacity: 0.5;
  filter: grayscale(100%);
}

.logo-strip-logo-sm {
  height: 1.75rem;
}

/* ========================================
   Cards
   ======================================== */
.card {
  background: var(--light-beige);
  border: 1px solid rgba(138, 143, 122, 0.2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
}

.card-image {
  height: 12rem;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.card-text {
  color: rgba(59, 47, 47, 0.8);
  margin-bottom: var(--space-md);
}

.card-link {
  display: inline-block;
  color: var(--soft-terracotta);
  border-bottom: 1px solid var(--soft-terracotta);
  transition: color var(--transition-normal);
}

.card-link:hover {
  color: rgba(201, 134, 106, 0.8);
}

/* Hero Card (Case Study) */
.card-hero {
  background: var(--light-beige);
  border: 1px solid rgba(138, 143, 122, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.card-hero:hover {
  transform: none;
}

.card-hero-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  .card-hero {
    padding: var(--space-2xl) var(--space-2xl);
  }

  .card-hero-title {
    font-size: 3rem;
  }
}

/* Info Card */
.card-info {
  background: var(--light-beige);
  border: 1px solid rgba(138, 143, 122, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.card-info:hover {
  transform: none;
  border-color: rgba(201, 134, 106, 0.3);
}

.card-info-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  transition: color var(--transition-normal);
}

.card-info:hover .card-info-title {
  color: var(--soft-terracotta);
}

.card-info-text {
  font-size: 0.875rem;
  color: rgba(59, 47, 47, 0.7);
}

/* ========================================
   Tags
   ======================================== */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}

.tag-terracotta {
  background: rgba(201, 134, 106, 0.1);
  color: var(--soft-terracotta);
}

.tag-emerald {
  background: #d1fae5;
  color: #065f46;
}

.tag-blue {
  background: #dbeafe;
  color: #1e40af;
}

.tag-purple {
  background: #f3e8ff;
  color: #6b21a8;
}

.tag-amber {
  background: #fef3c7;
  color: #92400e;
}

.tag-slate {
  background: #f1f5f9;
  color: #334155;
}

/* ========================================
   Stats Grid
   ======================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.stat-card {
  background: rgba(201, 134, 106, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 9rem;
}

.stat-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 4.5rem;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(201, 134, 106, 0.3);
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 500;
  color: var(--soft-terracotta);
  line-height: 1.2;
}

.stat-label-secondary {
  font-size: 1rem;
  font-weight: 500;
  color: var(--deep-espresso);
  margin-top: var(--space-xs);
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(59, 47, 47, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-md);
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-value {
    font-size: 2.5rem;
  }

  .stat-card {
    min-height: 8rem;
  }
}

/* ========================================
   Role Box
   ======================================== */
.role-box {
  background: rgba(201, 134, 106, 0.1);
  border-left: 4px solid var(--soft-terracotta);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-md);
  margin-bottom: var(--space-xl);
}

.role-box p {
  margin-bottom: var(--space-sm);
}

.role-box p:last-child {
  margin-bottom: 0;
}

.role-label {
  font-weight: 600;
  color: var(--deep-espresso);
}

/* ========================================
   Callout Boxes
   ======================================== */
.callout {
  border-left: 4px solid;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.callout-muted {
  background: rgba(138, 143, 122, 0.05);
  border-color: rgba(138, 143, 122, 0.3);
}

.callout-accent {
  background: rgba(201, 134, 106, 0.05);
  border-color: var(--soft-terracotta);
}

.callout-title {
  font-weight: 600;
  margin-bottom: var(--space-md);
}

/* ========================================
   Bullet Lists
   ======================================== */
.bullet-list {
  list-style: none;
}

.bullet-list li {
  display: block;
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-md);
  color: rgba(59, 47, 47, 0.9);
}

.bullet-list li::before {
  content: '•';
  color: var(--soft-terracotta);
  font-weight: bold;
  position: absolute;
  left: 0;
  top: 0;
}

/* ========================================
   Articles Carousel
   ======================================== */
.articles-scroll {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  padding: 0 var(--space-md);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.articles-scroll::-webkit-scrollbar {
  display: none;
}

.article-card {
  flex-shrink: 0;
  width: 85vw;
  max-width: 24rem;
  background: var(--white);
  border: 1px solid rgba(138, 143, 122, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
}

.article-category {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(201, 134, 106, 0.1);
  color: var(--soft-terracotta);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
}

.featured-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--soft-terracotta);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
}

.article-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.article-excerpt {
  color: rgba(59, 47, 47, 0.8);
  margin-bottom: var(--space-md);
}

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

.article-date {
  font-size: 0.875rem;
  color: var(--olive-grey);
}

.article-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--soft-terracotta);
  text-decoration: underline;
  text-decoration-color: var(--soft-terracotta);
  text-underline-offset: 2px;
  transition: all var(--transition-normal);
}

.article-link:hover {
  color: rgba(201, 134, 106, 0.8);
  text-decoration-color: rgba(201, 134, 106, 0.8);
}

/* ========================================
   Tabs
   ======================================== */
.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.tab-btn {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-weight: 500;
  text-transform: capitalize;
  background: rgba(138, 143, 122, 0.2);
  color: var(--olive-grey);
  transition: all var(--transition-normal);
}

.tab-btn:hover {
  background: rgba(138, 143, 122, 0.3);
}

.tab-btn.active {
  background: var(--soft-terracotta);
  color: var(--white);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tabs-container {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-soft);
}

@media (max-width: 768px) {
  .tab-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .tab-btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.85rem;
  }

  .tabs {
    gap: var(--space-xs);
  }

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

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.skill-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  background: linear-gradient(135deg, rgba(246, 241, 231, 0.6) 0%, rgba(255, 250, 240, 0.4) 100%);
  border: 1px solid rgba(138, 143, 122, 0.1);
  border-radius: var(--radius-md);
}

.skill-icon {
  margin-left: 0.25rem;
}

.skill-name {
  font-weight: 600;
  font-size: 0.875rem;
  text-align: center;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

@media (max-width: 1280px) {
  .skills-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .skills-grid { grid-template-columns: 1fr; }
}

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.tool-card {
  padding: var(--space-md);
  background: rgba(246, 241, 231, 0.5);
  border: 1px solid rgba(138, 143, 122, 0.1);
  border-radius: var(--radius-md);
}

.tool-category {
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: var(--space-sm);
  color: var(--deep-espresso);
  letter-spacing: -0.01em;
}

.tool-list {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--olive-grey);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .tools-grid { grid-template-columns: 1fr; }
}

/* Languages Grid */
.languages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.language-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  background: rgba(246, 241, 231, 0.5);
  border: 1px solid rgba(138, 143, 122, 0.1);
  border-radius: var(--radius-md);
}

.language-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.language-flag {
  font-size: 1.5rem;
}

.language-name {
  font-weight: 600;
}

@media (max-width: 768px) {
  .languages-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .languages-grid {
    gap: var(--space-sm);
  }

  .language-card {
    padding: var(--space-md);
  }

  .language-header {
    gap: var(--space-sm);
  }
}

/* Data Table */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 var(--space-sm);
}

.data-table th,
.data-table td {
  padding: var(--space-md);
  text-align: left;
}

.data-table thead {
  background: transparent;
}

.data-table th {
  font-weight: 600;
  color: var(--olive-grey);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: var(--space-sm);
  border-bottom: none;
}

.data-table tbody tr {
  background: linear-gradient(135deg, rgba(246, 241, 231, 0.6) 0%, rgba(255, 250, 240, 0.4) 100%);
  border: 1px solid rgba(138, 143, 122, 0.1);
}

.data-table tbody tr td:first-child {
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
}

.data-table tbody tr td:last-child {
  border-top-right-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

.data-table td {
  border-bottom: none;
}

.data-table .year {
  color: var(--olive-grey);
  font-weight: 600;
  min-width: 100px;
}

@media (max-width: 640px) {
  .data-table thead {
    display: none;
  }

  .data-table,
  .data-table tbody,
  .data-table tr,
  .data-table td {
    display: block;
    width: 100%;
  }

  .data-table tbody tr {
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
  }

  .data-table tbody tr td {
    padding: var(--space-xs) 0;
    border-radius: 0 !important;
  }

  .data-table tbody tr td:first-child {
    font-size: 0.85rem;
    margin-bottom: var(--space-xs);
  }

  .data-table tbody tr td:nth-child(2) {
    font-weight: 600;
    font-size: 1rem;
  }

  .data-table tbody tr td:last-child {
    color: var(--olive-grey);
    font-size: 0.9rem;
  }

  .data-table .year {
    min-width: unset;
  }
}

/* Certification Category Headers */
.cert-category-header td {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--deep-espresso);
  background-color: rgba(186, 138, 111, 0.08);
  padding: var(--space-sm) var(--space-md) !important;
  border-top: 2px solid var(--soft-terracotta) !important;
  border-bottom: 1px solid rgba(138, 143, 122, 0.2) !important;
}

.cert-category-header:first-of-type td {
  border-top: none !important;
}

/* ========================================
   Testimonials
   ======================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.testimonial {
  background: var(--light-beige);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
}

.testimonial-icon {
  color: var(--soft-terracotta);
  opacity: 0.3;
  margin-bottom: var(--space-md);
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-style: italic;
  color: rgba(59, 47, 47, 0.9);
  margin-bottom: var(--space-lg);
}

.testimonial-author {
  font-weight: 500;
}

.testimonial-title {
  font-size: 0.875rem;
  color: var(--olive-grey);
}

@media (max-width: 768px) {
  .testimonials-grid { grid-template-columns: 1fr; }
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

.contact-title {
  font-size: 2.25rem;
  margin-bottom: var(--space-lg);
}

.contact-text {
  color: rgba(59, 47, 47, 0.8);
  margin-bottom: var(--space-xl);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(138, 143, 122, 0.1);
  text-align: center;
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--olive-grey);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.footer-link {
  font-size: 0.875rem;
  color: var(--olive-grey);
  transition: color var(--transition-normal);
}

.footer-link:hover {
  color: var(--soft-terracotta);
}

/* ========================================
   Table of Contents (Case Studies)
   ======================================== */
.toc {
  position: fixed;
  left: var(--space-xl);
  top: 8rem;
  width: 14rem;
  z-index: 40;
}

.toc-inner {
  background: var(--light-beige);
  border: 1px solid rgba(138, 143, 122, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-soft);
}

.toc-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.toc-list {
  list-style: none;
  position: relative;
}

.toc-list::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(138, 143, 122, 0.2);
}

.toc-list::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 0%;
  background: var(--soft-terracotta);
  transition: height 0.2s ease-out;
  z-index: 1;
}

.toc-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  color: rgba(59, 47, 47, 0.7);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toc-link:hover {
  color: var(--deep-espresso);
}

.toc-link.active {
  color: var(--soft-terracotta);
  font-weight: 500;
}

/* Case Study Content */
.case-study-content {
  max-width: 65rem;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-md);
}

@media (min-width: 1280px) {
  .case-study-content {
    padding-left: 18rem;
  }
}

@media (max-width: 1280px) {
  .toc { display: none; }
}

/* ========================================
   Utilities
   ======================================== */
.hidden { display: none; }

.link-accent {
  color: var(--soft-terracotta);
  text-decoration: underline;
  text-decoration-color: var(--soft-terracotta);
  text-underline-offset: 2px;
  transition: all var(--transition-normal);
}

.link-accent:hover {
  color: rgba(201, 134, 106, 0.8);
  text-decoration-color: rgba(201, 134, 106, 0.8);
}

.link-underline {
  text-decoration: underline;
}

.blockquote {
  font-size: 1.125rem;
  font-weight: 500;
  font-style: italic;
  padding-left: var(--space-lg);
  border-left: 4px solid var(--soft-terracotta);
  margin: var(--space-lg) 0;
}

/* Medium link */
.medium-note {
  text-align: center;
  margin-top: var(--space-xl);
  font-size: 0.875rem;
  color: rgba(59, 47, 47, 0.7);
}

/* ========================================
   Work Samples
   ======================================== */
.work-samples-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.work-sample-card {
  position: relative;
  aspect-ratio: 3 / 2;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.work-sample-overlay {
  position: absolute;
  inset: 0;
  background: rgba(246, 241, 231, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.work-sample-card:hover .work-sample-overlay {
  opacity: 1;
}

.work-sample-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--deep-espresso);
  margin-bottom: var(--space-sm);
}

.work-sample-subtitle {
  font-size: 0.875rem;
  color: rgba(59, 47, 47, 0.7);
}

@media (max-width: 768px) {
  .work-samples-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .work-samples-grid {
    grid-template-columns: 1fr;
  }
}

/* Video Samples (category pages) */
.video-samples {
  max-width: 70rem;
  margin: 0 auto;
}

.video-sample {
  display: flex;
  gap: var(--space-xl);
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid rgba(138, 143, 122, 0.1);
}

.video-sample:first-child {
  padding-top: 0;
}

.video-sample:last-child {
  border-bottom: none;
}

.video-sample-embed {
  flex-shrink: 0;
}

.video-sample-embed iframe {
  max-width: 100%;
  border-radius: var(--radius-md);
}

.video-sample-info {
  flex: 1;
  min-width: 0;
}

.video-sample-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--deep-espresso);
}

.video-sample-meta {
  font-size: 0.9375rem;
  color: rgba(59, 47, 47, 0.8);
  margin-bottom: var(--space-sm);
}

.video-sample-meta strong {
  color: var(--deep-espresso);
}

.video-sample-description {
  margin-top: var(--space-lg);
  color: rgba(59, 47, 47, 0.9);
  line-height: 1.7;
}

.video-sample-description p {
  margin-bottom: var(--space-md);
}

.video-sample-description p:last-child {
  margin-bottom: 0;
}

@media (max-width: 1024px) {
  .video-sample {
    flex-direction: column;
  }

  .video-sample-embed {
    width: 100%;
  }

  .video-sample-embed iframe {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }
}

/* ========================================
   About Page
   ======================================== */
.about-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) 0;
}

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

.about-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--deep-espresso);
  margin-bottom: var(--space-md);
}

.about-divider {
  width: 5rem;
  height: 0.25rem;
  background: var(--soft-terracotta);
  border-radius: 2rem;
  margin-bottom: var(--space-lg);
}

.about-content p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  color: var(--deep-espresso);
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--deep-espresso);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.about-content > p:first-of-type {
  font-size: 1.25rem;
  font-weight: 500;
}

.about-content .inline-link {
  color: var(--soft-terracotta);
  text-decoration: underline;
  text-decoration-color: var(--soft-terracotta);
  text-underline-offset: 2px;
  transition: all var(--transition-normal);
}

.about-content .inline-link:hover {
  color: rgba(201, 134, 106, 0.8);
  text-decoration-color: rgba(201, 134, 106, 0.8);
}

.work-statements {
  margin: var(--space-xl) 0;
}

.work-statements .statement {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--deep-espresso);
  margin-bottom: var(--space-lg);
}

.work-statements .statement:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .about-content p {
    font-size: 1rem;
  }

  .about-content p:first-of-type {
    font-size: 1.125rem;
  }

  .about-content h2 {
    font-size: 1.25rem;
  }

  .work-statements .statement {
    font-size: 1.125rem;
  }
}