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

:root {
  --color-primary: #2d3748; /* Deep Blue/Gray */
  --color-secondary: #718096; /* Muted Gray */
  --color-accent: #a0aec0; /* Light Gray/Sepia */
  --color-background: #f7fafc; /* Off-White */
  --color-surface: #ffffff;
  --color-text: #2d3748;
  --color-text-light: #f7fafc;
  --color-border: #e2e8f0;

  --font-serif: 'Georgia', 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 80px;
  --spacing-xxxl: 120px;

  --header-height: 80px;
  --border-radius: 8px;
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  --transition-speed: 300ms;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  font-size: 16px;
}

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

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw + 1rem, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw + 1rem, 2rem); }
p { margin-bottom: var(--spacing-md); }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-speed) ease; }
a:hover { color: var(--color-secondary); }

/* --- LAYOUT & CONTAINERS --- */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section {
  padding: var(--spacing-xxl) 0;
}

@media (min-width: 1024px) {
  .section {
    padding: var(--spacing-xxxl) 0;
  }
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}
.section-title h2 {
  margin-bottom: var(--spacing-sm);
}
.section-title p {
  color: var(--color-secondary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- HEADER & NAVIGATION --- */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}
.logo:hover {
  color: var(--color-primary);
}

.nav-links {
  display: none;
  list-style: none;
}

.nav-links.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-md) 0;
}

.nav-links li {
  text-align: center;
  margin: var(--spacing-sm) 0;
}

.nav-links a {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-speed) ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
  .nav-links {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
  }
  .nav-links.active { /* Reset mobile styles */
    display: flex;
    flex-direction: row;
    position: static;
    box-shadow: none;
    background: transparent;
    padding: 0;
  }
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(45, 55, 72, 0.7); /* color-primary with opacity */
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 var(--spacing-md);
}

.hero h1 {
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero p {
  font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 700;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  transition: all var(--transition-speed) ease;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border-color: var(--color-primary);
}

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

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

.btn-secondary:hover {
  background-color: var(--color-text-light);
  color: var(--color-primary);
}

/* --- FEATURES SECTION --- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

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

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

.feature-card {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-card .icon {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  font-size: 3rem;
}

.feature-card h3 {
  font-size: 1.25rem;
}

/* --- ABOUT/STORY SECTION --- */
.text-image-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .text-image-split {
    grid-template-columns: 1fr 1fr;
  }
  .text-image-split.reverse {
    grid-template-columns: 1fr 1fr;
  }
  .text-image-split.reverse .image-wrapper {
    grid-column: 1;
    grid-row: 1;
  }
}

.text-image-split .image-wrapper {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.text-image-split .image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.text-image-split .content h2 {
  margin-top: 0;
}

/* --- SERVICES/PRODUCTS CARDS --- */
.service-card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}
.service-card-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.service-card-content h3 {
  font-size: 1.25rem;
}
.service-card-content .btn {
  margin-top: auto;
  align-self: flex-start;
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}
.service-card-content .btn:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}


/* --- TESTIMONIALS SECTION --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

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

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

.testimonial-card {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.testimonial-card .quote {
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-secondary);
  flex-grow: 1;
  position: relative;
  padding-left: var(--spacing-lg);
}

.testimonial-card .quote::before {
  content: '“';
  position: absolute;
  left: -5px;
  top: -10px;
  font-size: 3rem;
  color: var(--color-accent);
  opacity: 0.5;
  font-family: var(--font-serif);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info .name {
  font-weight: 700;
}

.author-info .title {
  color: var(--color-secondary);
  font-size: 0.9rem;
}

/* --- STATS SECTION --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}
@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.stat-item {
  text-align: center;
  background: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}
.stat-number {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}
.stat-label {
  color: var(--color-secondary);
}

/* --- FAQ SECTION --- */
.faq-accordion details {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}
.faq-accordion summary {
  padding: var(--spacing-md);
  font-weight: 700;
  cursor: pointer;
  list-style: none; /* Remove default marker */
  position: relative;
}
.faq-accordion summary::-webkit-details-marker {
  display: none;
}
.faq-accordion summary::after {
  content: '+';
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  transition: transform var(--transition-speed) ease;
}
.faq-accordion details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}
.faq-accordion details[open] summary {
  border-bottom: 1px solid var(--color-border);
}
.faq-accordion details > div {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

/* --- CTA SECTION --- */
.cta-section {
  background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
  color: var(--color-text-light);
  text-align: center;
}
.cta-section h2 {
    color: var(--color-text-light);
}

/* --- CLIENTS/PARTNERS SECTION --- */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  align-items: center;
}
@media (min-width: 768px) {
  .clients-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
@media (min-width: 1024px) {
  .clients-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}
.client-logo {
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all var(--transition-speed) ease;
}
.client-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* --- FOOTER --- */
.footer {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  padding: var(--spacing-xxl) 0;
}
.footer a {
  color: var(--color-accent);
}
.footer a:hover {
  color: var(--color-text-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}
.footer-col h4 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  font-family: var(--font-sans);
  font-weight: 700;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-secondary);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-accent);
}

/* --- CONTACT FORM --- */
.contact-form {
  display: grid;
  gap: var(--spacing-md);
}
.form-group {
  display: flex;
  flex-direction: column;
}
.form-group label {
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}
.form-group input,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
}
.form-group textarea {
  min-height: 150px;
  resize: vertical;
}
.contact-form .btn {
  justify-self: start;
}

.contact-info-block {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.map-placeholder {
    aspect-ratio: 16/9;
    background: var(--color-border) url('https://source.unsplash.com/random/800x450/?map') center center/cover;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-weight: bold;
}


/* --- COOKIE BANNER --- */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  color: var(--color-text);
  padding: var(--spacing-md);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}
#cookie-banner p {
  margin-bottom: 0;
  flex-grow: 1;
}
.cookie-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-shrink: 0;
}
.cookie-buttons .btn {
  padding: var(--spacing-xs) var(--spacing-md);
}
.btn-decline {
    background-color: var(--color-surface);
    color: var(--color-secondary);
    border-color: var(--color-border);
}
.btn-decline:hover {
    background-color: var(--color-background);
    color: var(--color-primary);
}

/* --- ARTICLE PAGE STYLES --- */
.article-listing-grid, .interview-listing-grid, .topic-listing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .article-listing-grid, .interview-listing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
   .topic-listing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .article-listing-grid, .interview-listing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .topic-listing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.topic-card {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    text-align: center;
}
.topic-card h3 {
    font-size: 1.2rem;
}

/* --- Long form text styles for privacy, terms, editorial --- */
.prose {
    max-width: 800px;
    margin: 0 auto;
}
.prose h2 {
    margin-top: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
}
.prose ul, .prose ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}