/* ============================================================
   George Popescu Projects — styles.css
   ============================================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  color: #222222;
  background-color: #f7f7f5;
}

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

a {
  color: #c8973a;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --- Container -------------------------------------------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography ------------------------------------------- */
h1 {
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.2;
}

h2 {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.3;
}

h3 {
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.4;
}

h4 {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
}

p {
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

li {
  margin-bottom: 0.4rem;
}

blockquote {
  border-left: 4px solid #c8973a;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: #faf8f4;
  border-radius: 0 4px 4px 0;
  font-style: italic;
  color: #444;
}

blockquote p {
  margin: 0;
}

/* --- Header & Navigation ---------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #0d1b2a;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.site-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
  letter-spacing: 0.01em;
  flex-shrink: 0;
}

.site-logo:hover {
  color: #c8973a;
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav li {
  margin: 0;
}

.site-nav a {
  color: #d4d8dd;
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a.active {
  color: #c8973a;
  text-decoration: none;
}

/* --- Hero Section ----------------------------------------- */
.hero {
  background-color: #0d1b2a;
  color: #ffffff;
  padding: 80px 0;
}

.hero h1 {
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.hero p {
  font-size: 1.15rem;
  color: #b0b8c1;
  max-width: 720px;
  margin-bottom: 2rem;
}

.hero .cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-block;
  background-color: #c8973a;
  color: #ffffff;
  border-radius: 4px;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid #c8973a;
  transition: background-color 0.2s ease, color 0.2s ease;
  cursor: pointer;
}

.btn:hover {
  background-color: #b5832e;
  border-color: #b5832e;
  color: #ffffff;
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  color: #c8973a;
  border: 2px solid #c8973a;
}

.btn-outline:hover {
  background-color: #c8973a;
  color: #ffffff;
}

/* --- Sections --------------------------------------------- */
.section {
  padding: 64px 0;
}

.section-white {
  background-color: #ffffff;
}

.section-gray {
  background-color: #f7f7f5;
}

.section-dark {
  background-color: #0d1b2a;
  color: #ffffff;
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #ffffff;
}

.section-dark p {
  color: #b0b8c1;
}

.section-title {
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: #666666;
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  max-width: 680px;
}

/* --- Cards ------------------------------------------------ */
.card {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  padding: 32px;
}

.card h3 {
  margin-bottom: 0.75rem;
  color: #0d1b2a;
}

.card p {
  color: #555555;
  margin-bottom: 0;
}

/* --- Grid Layouts ----------------------------------------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* --- Category Cards (Home page) --------------------------- */
.category-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 2rem;
}

.category-card {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  padding: 32px;
}

.category-card h3 {
  color: #0d1b2a;
  margin-bottom: 0.75rem;
  font-size: 1.15rem;
}

.category-card p {
  color: #555555;
  font-size: 0.95rem;
  margin: 0;
}

/* --- Highlight / Checklist items -------------------------- */
.checklist {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}

.checklist li {
  padding-left: 0;
  margin-bottom: 0.5rem;
  color: #333;
}

.checklist li::before {
  content: "✓ ";
  color: #c8973a;
  font-weight: 700;
}

/* --- Quote Cards (Career Highlights) ---------------------- */
.quote-card {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  padding: 32px;
  border-top: 4px solid #c8973a;
}

.quote-card blockquote {
  background: transparent;
  border: none;
  padding: 0;
  margin: 0 0 1rem 0;
  font-size: 1rem;
  color: #333;
}

.quote-card .quote-source {
  font-size: 0.85rem;
  font-weight: 600;
  color: #c8973a;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

/* --- Article / Insight Cards ------------------------------ */
.article-card {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  padding: 32px;
  transition: box-shadow 0.2s ease;
}

.article-card:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.13);
}

.article-card .article-meta {
  font-size: 0.85rem;
  color: #666666;
  margin-bottom: 0.75rem;
}

.article-card .article-meta span {
  margin-right: 16px;
}

.article-card h3 {
  margin-bottom: 0.75rem;
  color: #0d1b2a;
}

.article-card h3 a {
  color: #0d1b2a;
  text-decoration: none;
}

.article-card h3 a:hover {
  color: #c8973a;
  text-decoration: none;
}

.article-card p {
  color: #555555;
  margin-bottom: 1.25rem;
}

.article-card .read-more {
  font-weight: 600;
  color: #c8973a;
  font-size: 0.9rem;
}

.article-card .read-more:hover {
  text-decoration: underline;
}

/* --- Article Page ----------------------------------------- */
.article-header {
  background-color: #0d1b2a;
  color: #ffffff;
  padding: 64px 0 48px;
}

.article-header h1 {
  color: #ffffff;
  margin-bottom: 1rem;
}

.article-meta-bar {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: #8a9bae;
  margin-top: 1rem;
}

.article-meta-bar span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.article-category-badge {
  display: inline-block;
  background-color: #c8973a;
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-body {
  background-color: #ffffff;
  padding: 64px 0;
}

.article-content {
  max-width: 760px;
}

.article-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: #0d1b2a;
}

.article-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: #0d1b2a;
}

.article-content h4 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: #0d1b2a;
}

.article-content ol,
.article-content ul {
  margin-bottom: 1.25rem;
  color: #333;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-tags {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e8e8e4;
}

.article-tags h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #666;
  margin-bottom: 0.75rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.tag-list li {
  margin: 0;
}

.tag-list a,
.tag-item {
  display: inline-block;
  background-color: #f0ede6;
  color: #555;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 20px;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.tag-list a:hover,
.tag-item:hover {
  background-color: #c8973a;
  color: #ffffff;
  text-decoration: none;
}

/* --- About Page ------------------------------------------- */
.about-section {
  padding: 64px 0;
}

.about-content h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: #0d1b2a;
}

.about-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: #0d1b2a;
}

.about-content h4 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: #0d1b2a;
}

.credentials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 1.5rem;
}

.credential-card {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  padding: 28px 32px;
  border-left: 4px solid #c8973a;
}

.credential-card h4 {
  color: #0d1b2a;
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.credential-card p,
.credential-card ul {
  color: #555;
  font-size: 0.95rem;
  margin: 0;
}

.credential-card ul {
  padding-left: 1.2rem;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 1.5rem;
}

.philosophy-card {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  padding: 28px 32px;
}

.philosophy-card h4 {
  color: #c8973a;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.philosophy-card p {
  color: #555;
  margin: 0;
  font-size: 0.95rem;
}

/* --- Contact Page ----------------------------------------- */
.contact-intro {
  max-width: 680px;
}

.contact-form-wrapper {
  max-width: 680px;
  margin-top: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  color: #333;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid #d0d0cc;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  color: #222;
  background-color: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #c8973a;
  box-shadow: 0 0 0 3px rgba(200, 151, 58, 0.15);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-required {
  color: #c8973a;
}

/* --- Footer ----------------------------------------------- */
.site-footer {
  background-color: #0d1b2a;
  padding: 40px 0;
  text-align: center;
}

.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.footer-nav li {
  margin: 0;
}

.footer-nav a {
  color: #8a9bae;
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: #c8973a;
  text-decoration: none;
}

.footer-branding {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.footer-copy {
  font-size: 0.82rem;
  color: #5a6a78;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

/* --- Divider ---------------------------------------------- */
.divider {
  border: none;
  border-top: 1px solid #e8e8e4;
  margin: 2rem 0;
}

.section-dark .divider {
  border-top-color: rgba(255, 255, 255, 0.1);
}

/* --- Highlights strip ------------------------------------- */
.highlight-strip {
  background-color: #0d1b2a;
  color: #ffffff;
  padding: 64px 0;
}

.highlight-strip h2 {
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.highlight-strip .section-subtitle {
  color: #8a9bae;
}

/* --- Accent label ----------------------------------------- */
.label-accent {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #c8973a;
  margin-bottom: 0.75rem;
}

/* --- Insights Page: featured article ---------------------- */
.featured-article {
  background-color: #0d1b2a;
  color: #ffffff;
  border-radius: 8px;
  padding: 40px;
  margin-bottom: 2rem;
}

.featured-article .label-accent {
  color: #c8973a;
}

.featured-article h2 {
  color: #ffffff;
  margin-bottom: 1rem;
}

.featured-article h2 a {
  color: #ffffff;
  text-decoration: none;
}

.featured-article h2 a:hover {
  color: #c8973a;
  text-decoration: none;
}

.featured-article p {
  color: #b0b8c1;
  margin-bottom: 1.5rem;
}

.featured-article .article-meta {
  color: #8a9bae;
  font-size: 0.88rem;
  margin-bottom: 1rem;
}

.featured-article .article-meta span {
  margin-right: 16px;
}

/* --- Responsive ------------------------------------------- */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.6rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .site-nav {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .hero {
    padding: 56px 0;
  }

  .section {
    padding: 48px 0;
  }

  .category-cards,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .credentials-grid,
  .philosophy-grid {
    grid-template-columns: 1fr;
  }

  .hero .cta-group {
    flex-direction: column;
  }

  .article-meta-bar {
    flex-direction: column;
    gap: 8px;
  }

  .footer-nav {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }

  .featured-article {
    padding: 28px 24px;
  }
}