/* VARIABLES - BASE (Shared) */
:root {
  --bg-primary: #F8F6F0;
  --bg-secondary: #F0EDE3;
  --bg-elevated: #FFFFFF;
  --bg-tinted: #EBE7DB;
  --text-primary: #2B2621;
  --text-secondary: #5C5550;
  --text-tertiary: #8C8580;
  --text-inverse: #F8F6F0;
  --pillar-human-primary: #D4998D;
  --pillar-human-light: #E8C7BD;
  --pillar-learning-primary: #9B9B6B;
  --pillar-learning-light: #C5C5A5;
  --pillar-ai-primary: #D4B974;
  --pillar-ai-light: #E8D9AD;
  --accent-primary: #8B6F47;
  --accent-primary-hover: #6B5437;
  --shadow-sm: 0 1px 2px rgba(43, 38, 33, 0.06);
  --shadow-md: 0 4px 8px rgba(43, 38, 33, 0.08);
  --shadow-lg: 0 8px 16px rgba(43, 38, 33, 0.10);
  --shadow-xl: 0 12px 24px rgba(43, 38, 33, 0.12);
  --font-serif: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: 'Inter', Arial, sans-serif;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-full: 9999px;
  --transition-base: 250ms ease-in-out;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  transition: background-color 0.4s ease;
}
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
}
a { color: var(--accent-primary); text-decoration: none; transition: color var(--transition-base); }
a:hover { text-decoration: underline; }
button { cursor: pointer; background: none; border: none; font: inherit; }

/* CONTAINER */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}
@media (min-width: 768px) { .container { padding: 0 2rem; } }

/* SECTION */
.section {
  padding: 4rem 0;
  transition: background-color 0.4s ease;
}
@media (min-width: 768px) { .section { padding: 5rem 0; } }

.section--hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: radial-gradient(ellipse at top, #F3DCD5, #F8F6F0);
  transition: background 0.2s ease;
}

.section--tinted {
  background-color: var(--bg-tinted);
}

/* HERO */
.hero {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.hero__title {
  font-size: 2.25rem;
  margin-bottom: var(--space-4);
}
@media (min-width: 768px) { .hero__title { font-size: 3rem; } }
@media (min-width: 1024px) { .hero__title { font-size: 3.75rem; } }
.hero__subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 400;
  margin-bottom: var(--space-3);
}
.hero__tagline {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.75;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
}
@media (min-width: 640px) {
  .hero__cta {
    flex-direction: row;
    justify-content: center;
  }
}

/* BUTTON */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  min-height: 44px;
}
.btn--primary {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border: 2px solid var(--accent-primary);
}
.btn--primary:hover {
  background-color: var(--accent-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.btn--secondary {
  background-color: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
}
.btn--secondary:hover {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  text-decoration: none;
}

/* SECTION HEADER */
.section__header {
  margin-bottom: 3rem;
  text-align: center;
}
.section__title {
  font-size: 1.875rem;
  margin-bottom: var(--space-4);
  position: relative;
  display: inline-block;
}
@media (min-width: 768px) { .section__title { font-size: 2.25rem; } }
@media (min-width: 1024px) { .section__title { font-size: 3rem; } }

/* Pillar Gradient Underline */
.section__title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--pillar-human-primary) 0%, var(--pillar-learning-primary) 50%, var(--pillar-ai-primary) 100%);
  border-radius: 2px;
  opacity: 0.4;
}

/* ABOUT SECTION */
.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-6);
  font-size: 1.0625rem;
}

.about-content p:last-child {
  margin-bottom: 0;
}

/* COMPETENCY GRID */
.competency-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

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

.competency-pillar {
  background: var(--bg-elevated);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.competency-pillar:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.competency-pillar h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
  color: var(--accent-primary);
}

.competency-pillar ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin: 0;
}

.competency-pillar li {
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  line-height: 1.6;
}

.competency-pillar li:last-child {
  margin-bottom: 0;
}

/* FEATURED PROJECTS */
.featured-project {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-12);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.featured-project:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.featured-project:last-child {
  margin-bottom: 0;
}

/* Featured Project Content Layout */
.featured-project__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .featured-project__content {
    grid-template-columns: 2fr 1fr;
    gap: var(--space-8);
  }
}

.featured-project__text {
  /* Text column on the left */
}

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

.featured-thumbnail {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 80px;
}

/* Featured Project Title */
.featured-project__title {
  font-size: 1.75rem;
  margin-bottom: var(--space-2);
  color: var(--accent-primary);
  font-weight: 700;
}

@media (min-width: 768px) {
  .featured-project__title {
    font-size: 2rem;
  }
}

.featured-project__subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: var(--space-6);
}

.featured-project__description {
  margin-bottom: var(--space-8);
  line-height: 1.75;
}

/* Gallery Title */
.gallery-title {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
  font-weight: 600;
  font-family: var(--font-sans);
  text-transform: none;
}

@media (min-width: 768px) {
  .gallery-title {
    font-size: 1.75rem;
  }
}

/* Project Gallery Section */
.project-gallery {
  margin-top: var(--space-8);
}

/* Gallery collapsible (mobile only) */
.project-gallery.collapsible .toggle-icon {
  display: inline;
}

.project-gallery.collapsible .gallery-title {
  cursor: pointer;
  user-select: none;
}

@media (max-width: 767px) {
  .project-gallery.collapsible .collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
  }

  .project-gallery.collapsible.active .collapsible-content {
    max-height: 3000px;
  }
}

@media (min-width: 768px) {
  .project-gallery.collapsible .toggle-icon {
    display: none;
  }

  .project-gallery.collapsible .gallery-title {
    cursor: default;
  }

  .project-gallery.collapsible .collapsible-content {
    max-height: none !important;
    overflow: visible !important;
  }
}

.project-cta-group {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0.85;
}

.project-cta-group .btn {
  font-size: 0.9375rem;
  padding: var(--space-3) var(--space-6);
}

.project-cta-group .btn--secondary:hover {
  opacity: 1;
}

.project-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--bg-secondary);
}

.project-header-simple {
  margin-bottom: var(--space-6);
}

.project-header-simple h3 {
  font-size: 1.75rem;
  color: var(--accent-primary);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .project-header-simple h3 {
    font-size: 2rem;
  }
}

.project-header-simple p {
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 1.0625rem;
}

.project-title {
  font-size: 2rem;
  margin-bottom: var(--space-2);
  color: var(--accent-primary);
}

@media (min-width: 768px) {
  .project-title {
    font-size: 2.5rem;
  }
}

.project-meta {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  font-style: italic;
}

.project-conclusion {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 2px solid var(--bg-secondary);
}

.project-conclusion h4 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  font-weight: 600;
}

.project-conclusion p {
  color: var(--text-secondary);
  line-height: 1.75;
}

.project-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.project-intro {
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 1.0625rem;
  margin-bottom: var(--space-4);
}

.project-section {
  margin-bottom: var(--space-6);
}

.project-section:last-child {
  margin-bottom: 0;
}

.project-section h4 {
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
  font-size: 1.125rem;
}

.project-section p {
  color: var(--text-secondary);
  line-height: 1.75;
}

.testimonial-placeholder {
  margin-top: var(--space-8);
  padding: var(--space-6) 0;
  border-left: 3px solid var(--accent-primary);
  padding-left: var(--space-6);
  font-style: italic;
}

.testimonial-placeholder p {
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.testimonial-placeholder cite {
  display: block;
  font-style: normal;
  color: var(--text-tertiary);
  font-size: 0.9375rem;
  margin-top: var(--space-3);
}

/* Collapsible Sections */
.collapsible {
  border-bottom: 1px solid var(--bg-secondary);
}

.collapsible-header {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  transition: color var(--transition-base);
  user-select: none;
}

.collapsible-header:hover {
  color: var(--accent-primary);
}

.toggle-icon {
  transition: transform var(--transition-base);
  font-size: 0.75rem;
  margin-left: var(--space-2);
  opacity: 0.6;
  font-weight: 300;
}

.collapsible-header:hover .toggle-icon {
  opacity: 0.9;
}

.collapsible.active .toggle-icon {
  transform: rotate(180deg);
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.collapsible.active .collapsible-content {
  max-height: 500px;
  padding-bottom: var(--space-4);
}

/* PROJECT MINI CARDS */
.project-mini {
  margin-bottom: var(--space-8);
  padding-left: var(--space-4);
  border-left: 3px solid var(--pillar-human-primary);
  background: var(--bg-primary);
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

.project-mini:last-of-type {
  margin-bottom: var(--space-6);
}

.project-mini__title {
  font-size: 1.75rem;
  margin-bottom: var(--space-3);
  color: var(--accent-primary);
  font-weight: 700;
  font-family: var(--font-serif);
}

@media (min-width: 768px) {
  .project-mini__title {
    font-size: 2rem;
  }
}

.project-mini h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-3);
  color: var(--accent-primary);
  font-weight: 600;
}

.project-mini p {
  color: var(--text-secondary);
  line-height: 1.75;
}

/* Mini Gallery Title */
.mini-gallery-title {
  font-size: 1.125rem;
  color: var(--text-primary);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  font-weight: 600;
  clear: both;
}

/* BACKGROUND SECTION */
.background-content {
  max-width: 800px;
  margin: 0 auto;
}

.background-content p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-6);
  font-size: 1.0625rem;
}

.background-content p:last-child {
  margin-bottom: 0;
}

/* CONTACT SECTION */
.contact-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.internship-info h3,
.contact-details h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
  color: var(--accent-primary);
}

.internship-info p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}

.internship-info p:last-child {
  margin-bottom: 0;
}

.contact-details ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
}

.contact-details li {
  margin-bottom: var(--space-3);
  color: var(--text-secondary);
}

.contact-details li:last-child {
  margin-bottom: 0;
}

.contact-details a {
  color: var(--accent-primary);
  font-weight: 500;
}

.contact-details a:hover {
  color: var(--accent-primary-hover);
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 1024px) {
  .competency-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero__cta {
    flex-direction: column;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3rem 0;
  }

  .featured-project {
    padding: var(--space-6);
  }
}

@media (max-width: 480px) {
  .project-section h4 {
    font-size: 1rem;
  }

  .project-title {
    font-size: 1.5rem;
  }

  .hero__title {
    font-size: 2rem;
  }

  .section__title {
    font-size: 1.75rem;
  }
}

/* SMOOTH SCROLL */
html {
  scroll-behavior: smooth;
}

/* HEADER NAVIGATION */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.nav__brand a {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-decoration: none;
}

.nav__brand a:hover {
  color: var(--accent-primary-hover);
}

.nav__menu {
  display: none;
  list-style: none;
  align-items: center;
  gap: var(--space-6);
  margin: 0;
  padding: 0;
}

@media (min-width: 768px) {
  .nav__menu {
    display: flex;
  }
}

.nav__menu li a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-base);
  padding: var(--space-2) 0;
}

.nav__menu li a:hover {
  color: var(--accent-primary);
  text-decoration: none;
}

.nav__lang {
  margin-left: var(--space-4);
}

.lang-toggle {
  padding: var(--space-2) var(--space-4);
  background: var(--bg-secondary);
  border: 2px solid var(--bg-secondary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition-base);
  cursor: pointer;
}

.lang-toggle:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--text-inverse);
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

@media (min-width: 768px) {
  .nav__toggle {
    display: none;
  }
}

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

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(8px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-8px);
}

/* Mobile menu */
@media (max-width: 767px) {
  .nav__menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    box-shadow: var(--shadow-md);
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .nav__menu.active li {
    width: 100%;
    text-align: center;
  }
}

/* Adjust hero section for fixed header */
.section--hero {
  margin-top: 60px;
}

/* PROJECT THUMBNAIL */
.project-thumbnail {
  width: 100%;
  max-width: 300px;
  float: right;
  margin: 0 0 var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .project-thumbnail {
    float: none;
    max-width: 100%;
    margin: 0 0 var(--space-6) 0;
  }
}

.project-thumb-img {
  width: 100%;
  height: auto;
  display: block;
}

/* PROJECT MINI THUMBNAIL */
.project-mini-thumb {
  width: 100%;
  max-width: 200px;
  float: left;
  margin: 0 var(--space-4) var(--space-3) 0;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .project-mini-thumb {
    float: none;
    max-width: 100%;
    margin: 0 0 var(--space-4) 0;
  }
}

/* GALLERY GRID */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
  clear: both;
}

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

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

.gallery-item {
  background: #000;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 16 / 9;
  position: relative;
}

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

.gallery-item img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

.gallery-item video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

.gallery-item.video-item {
  grid-column: span 2;
}

@media (max-width: 480px) {
  .gallery-item.video-item {
    grid-column: span 1;
  }
}

.gallery-caption {
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  font-size: 0.75rem;
  line-height: 1.4;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
}

/* MINI GALLERY */
.mini-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
  clear: both;
}

@media (min-width: 640px) {
  .mini-gallery {
    grid-template-columns: repeat(4, 1fr);
  }
}

.gallery-item-mini {
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
  background: #000;
  aspect-ratio: 16 / 9;
}

.gallery-item-mini:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.gallery-item-mini img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

.gallery-item-mini video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

.gallery-item-mini.video-item {
  cursor: default;
}

.gallery-item-mini.video-item:hover {
  transform: none;
}

/* Clearfix for floated elements */
.project-section::after,
.project-mini::after {
  content: "";
  display: table;
  clear: both;
}

/* LIGHTBOX */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  cursor: zoom-out;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-content img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 3rem;
  color: white;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 10001;
  transition: opacity var(--transition-base);
  min-width: 44px;
  min-height: 44px;
}

.lightbox-close:hover {
  opacity: 0.7;
}

.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.5rem;
  color: white;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  z-index: 10001;
  padding: 0.75rem 1rem;
  opacity: 0.8;
  transition: opacity var(--transition-base), background var(--transition-base);
  min-width: 44px;
  min-height: 44px;
}

.lightbox-arrow:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-arrow--left {
  left: 10px;
}

.lightbox-arrow--right {
  right: 10px;
}

@media (min-width: 768px) {
  .lightbox-arrow {
    font-size: 4rem;
    padding: 1rem 1.5rem;
  }

  .lightbox-arrow--left {
    left: 20px;
  }

  .lightbox-arrow--right {
    right: 20px;
  }

  .lightbox-close {
    font-size: 3.5rem;
  }
}

/* CONTACT SECTION (New Layout) */
.contact-wrapper {
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info {
  margin-bottom: var(--space-8);
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
  color: var(--accent-primary);
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 1.0625rem;
}

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

@media (min-width: 768px) {
  .contact-grid-new {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
}

.contact-details-left,
.contact-details-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-details-left p,
.contact-details-right p {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent-primary);
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.contact-details-left p:nth-child(1) {
  border-left-color: var(--pillar-human-primary);
}

.contact-details-left p:nth-child(2) {
  border-left-color: var(--pillar-learning-primary);
}

.contact-details-right p:nth-child(1) {
  border-left-color: var(--pillar-ai-primary);
}

.contact-details-right p:nth-child(2) {
  border-left-color: var(--pillar-human-primary);
}

.contact-details-left strong,
.contact-details-right strong {
  display: block;
  color: var(--text-primary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  margin-bottom: 0.25rem;
}

.contact-cta {
  display: flex;
  flex-direction: row;
  gap: var(--space-3);
  grid-column: 1 / -1;
  width: 100%;
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .contact-cta {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

.contact-cta .btn {
  flex: 1;
  min-width: 180px;
  justify-content: center;
}