/* ============================================
   Talking Moderate — Main Stylesheet
   Colors: Blue #3A9ED8, Red #D43A3A, Purple #7B3FA0
   ============================================ */

:root {
  --blue: #3A9ED8;
  --red: #D43A3A;
  --purple: #7B3FA0;
  --dark: #1a1a2e;
  --gray-dark: #2d2d2d;
  --gray: #555;
  --gray-light: #888;
  --bg-light: #f8f9fa;
  --bg-section: #f2f4f7;
  --white: #ffffff;
  --border: #e0e4ea;
  --font-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Georgia', 'Times New Roman', serif;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 24px rgba(0,0,0,0.14);
  --radius: 8px;
  --max-width: 1140px;
  --article-width: 720px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--gray-dark);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--purple); }

/* ---- Typography ---- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-sans);
  line-height: 1.25;
  font-weight: 700;
  color: var(--dark);
}
h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.5rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1.25rem; color: var(--gray); }
strong { color: var(--gray-dark); font-weight: 600; }

/* ---- Layout ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 72px 0; }
.section--alt { background: var(--bg-section); }

/* ---- Utility ---- */
.text-center { text-align: center; }
.text-blue { color: var(--blue); }
.text-red { color: var(--red); }
.text-purple { color: var(--purple); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover {
  background: #2e86c1;
  border-color: #2e86c1;
  color: var(--white);
}
.btn-secondary {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn-secondary:hover {
  background: var(--blue);
  color: var(--white);
}
.btn-red {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn-red:hover {
  background: #b83232;
  border-color: #b83232;
  color: var(--white);
}

/* ---- Tags ---- */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tag--blue { background: rgba(58,158,216,0.12); color: var(--blue); }
.tag--red { background: rgba(212,58,58,0.12); color: var(--red); }
.tag--purple { background: rgba(123,63,160,0.12); color: var(--purple); }

/* ============================================
   HEADER & NAV
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 2px solid var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-logo img {
  height: 44px;
  width: auto;
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.nav-logo-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.01em;
}
.nav-logo-sub {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--gray-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray);
  border-radius: 6px;
  transition: all 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
  background: rgba(58,158,216,0.08);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-cta .btn { padding: 8px 18px; font-size: 0.85rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--gray-dark);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ---- Color accent bar ---- */
.accent-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--purple) 50%, var(--red) 100%);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, #16213e 60%, #0f3460 100%);
  color: var(--white);
  padding: 80px 0 72px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(58,158,216,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(212,58,58,0.1) 0%, transparent 50%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}
.hero-eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--blue);
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 span { color: var(--blue); }
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.hero-stat {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  backdrop-filter: blur(4px);
}
.hero-stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 6px;
}
.hero-stat-num.red { color: #ff6b6b; }
.hero-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.3;
}

/* ============================================
   THESIS BANNER
   ============================================ */
.thesis-banner {
  background: var(--dark);
  padding: 32px 0;
  text-align: center;
}
.thesis-banner blockquote {
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  font-weight: 700;
  color: var(--white);
  font-style: italic;
  max-width: 860px;
  margin: 0 auto;
  line-height: 1.4;
}
.thesis-banner blockquote span { color: var(--blue); }

/* ============================================
   FEATURED ARTICLES
   ============================================ */
.section-header {
  margin-bottom: 40px;
}
.section-header .eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 8px;
}
.section-header h2 { margin-bottom: 8px; }
.section-header p { color: var(--gray-light); max-width: 540px; }

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.article-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.article-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.article-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.article-card-date {
  font-size: 0.75rem;
  color: var(--gray-light);
}
.article-card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  line-height: 1.35;
}
.article-card h3 a { color: var(--dark); }
.article-card h3 a:hover { color: var(--blue); }
.article-card p {
  font-size: 0.9rem;
  color: var(--gray);
  flex: 1;
  margin-bottom: 16px;
}
.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.read-time {
  font-size: 0.75rem;
  color: var(--gray-light);
}
.read-more {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.read-more::after { content: '→'; }
.read-more:hover { color: var(--purple); }

/* ============================================
   ABOUT STRIP
   ============================================ */
.about-strip {
  background: linear-gradient(135deg, var(--blue) 0%, var(--purple) 100%);
  color: var(--white);
  padding: 64px 0;
}
.about-strip-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: center;
}
.about-strip-img {
  width: 100%;
  max-width: 240px;
  height: 240px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255,255,255,0.3);
  margin: 0 auto;
}
.about-strip h2 { color: var(--white); margin-bottom: 12px; }
.about-strip p { color: rgba(255,255,255,0.88); font-size: 1.05rem; }
.about-strip .btn-secondary {
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
  margin-top: 8px;
}
.about-strip .btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

/* ============================================
   PLATFORM PREVIEW
   ============================================ */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.platform-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, border-color 0.2s;
}
.platform-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-hover);
}
.platform-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}
.platform-card h3 { font-size: 1rem; margin-bottom: 8px; }
.platform-card p { font-size: 0.85rem; margin-bottom: 0; color: var(--gray); }

/* ============================================
   STATS SECTION
   ============================================ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item {}
.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-number.red { color: var(--red); }
.stat-number.purple { color: var(--purple); }
.stat-label {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.4;
}

/* ============================================
   NEWSLETTER CTA
   ============================================ */
.newsletter {
  background: var(--dark);
  padding: 72px 0;
  text-align: center;
}
.newsletter h2 { color: var(--white); margin-bottom: 12px; }
.newsletter p { color: rgba(255,255,255,0.75); max-width: 520px; margin: 0 auto 28px; }
.newsletter-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 480px;
  margin: 0 auto;
}
.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 220px;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: none;
  font-size: 0.95rem;
  outline: none;
}
.newsletter-note {
  margin-top: 12px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
}
.newsletter-note a { color: rgba(255,255,255,0.6); }

/* ============================================
   SOCIAL LINKS
   ============================================ */
.social-links {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
  transition: background 0.2s;
}
.social-link:hover {
  background: rgba(255,255,255,0.2);
  color: var(--white);
}
.social-link svg { width: 16px; height: 16px; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: #111;
  color: rgba(255,255,255,0.6);
  padding: 48px 0 28px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand {}
.footer-brand img { height: 40px; margin-bottom: 12px; filter: brightness(10); }
.footer-brand p { font-size: 0.85rem; line-height: 1.6; margin-bottom: 16px; }
.footer-col h4 {
  color: var(--white);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--blue); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--blue); }

/* ============================================
   ARTICLE PAGE
   ============================================ */
.article-hero {
  background: var(--bg-section);
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--border);
}
.article-hero-inner { max-width: var(--article-width); margin: 0 auto; }
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--gray-light);
  margin-bottom: 20px;
}
.article-breadcrumb a { color: var(--gray-light); }
.article-breadcrumb a:hover { color: var(--blue); }
.article-breadcrumb span { color: var(--border); }
.article-hero h1 { margin-bottom: 12px; }
.article-subtitle {
  font-size: 1.15rem;
  color: var(--gray);
  margin-bottom: 24px;
  font-style: italic;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.article-author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-author-name { font-weight: 600; font-size: 0.9rem; color: var(--dark); }
.article-date { font-size: 0.82rem; color: var(--gray-light); }
.article-divider { color: var(--border); }

.article-img-hero {
  width: 100%;
  max-width: var(--article-width);
  margin: 0 auto;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-top: 32px;
}

.article-body {
  max-width: var(--article-width);
  margin: 0 auto;
  padding: 48px 24px 72px;
}
.article-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--gray-dark);
  margin-bottom: 1.5rem;
}
.article-body h2 {
  font-size: 1.6rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--dark);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}
.article-body h3 {
  font-size: 1.2rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--dark);
}
.article-body a { color: var(--blue); font-weight: 500; }
.article-body a:hover { color: var(--purple); text-decoration: underline; }
.article-body blockquote {
  border-left: 4px solid var(--blue);
  padding: 16px 24px;
  margin: 2rem 0;
  background: var(--bg-section);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--gray-dark);
}
.article-body .stat-callout {
  background: var(--dark);
  color: var(--white);
  padding: 24px 28px;
  border-radius: var(--radius);
  margin: 2rem 0;
  text-align: center;
}
.article-body .stat-callout .num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  display: block;
}
.article-body .stat-callout p {
  color: rgba(255,255,255,0.8);
  margin: 8px 0 0;
  font-size: 0.95rem;
}
.article-body ul, .article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
}
.article-body li {
  margin-bottom: 0.5rem;
  color: var(--gray-dark);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Article share */
.article-share {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  margin: 2rem 0;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.article-share-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Author bio box */
.author-bio {
  background: var(--bg-section);
  border-radius: 12px;
  padding: 28px;
  margin-top: 3rem;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.author-bio h4 { font-size: 1rem; margin-bottom: 6px; }
.author-bio p { font-size: 0.9rem; margin-bottom: 0; }

/* ============================================
   ABOUT PAGE
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, #16213e 100%);
  padding: 72px 0;
  color: var(--white);
}
.page-hero h1 { color: var(--white); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 600px; }

.about-content {
  max-width: var(--article-width);
  margin: 0 auto;
  padding: 56px 24px;
}
.about-content p { font-size: 1.05rem; line-height: 1.8; }
.about-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}

/* ============================================
   PLATFORM PAGE
   ============================================ */
.platform-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 56px 24px;
}
.platform-issue {
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
.platform-issue:last-child { border-bottom: none; }
.platform-issue h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.platform-issue-icon { font-size: 1.5rem; }
.platform-principle {
  background: var(--bg-section);
  border-left: 4px solid var(--blue);
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--gray-dark);
  margin-bottom: 16px;
}
.platform-points { list-style: none; margin: 0; }
.platform-points li {
  padding: 8px 0 8px 20px;
  position: relative;
  color: var(--gray);
  font-size: 0.97rem;
  line-height: 1.6;
  border-bottom: 1px solid var(--bg-section);
}
.platform-points li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

/* ============================================
   PAGE: ARTICLES INDEX
   ============================================ */
.articles-list { display: grid; gap: 28px; }
.article-list-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s;
}
.article-list-item:hover { box-shadow: var(--shadow-hover); }
.article-list-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 160px;
}
.article-list-body {
  padding: 24px 24px 24px 0;
  display: flex;
  flex-direction: column;
}
.article-list-body h2 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.article-list-body h2 a { color: var(--dark); }
.article-list-body h2 a:hover { color: var(--blue); }
.article-list-body p {
  flex: 1;
  font-size: 0.92rem;
  color: var(--gray);
  margin-bottom: 12px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-stat-grid { grid-template-columns: repeat(4, 1fr); }
  .about-strip-inner { grid-template-columns: 1fr; text-align: center; }
  .about-strip-img { margin: 0 auto 24px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .article-list-item { grid-template-columns: 1fr; }
  .article-list-item img { min-height: 200px; }
  .article-list-body { padding: 20px; }
}

@media (max-width: 680px) {
  .section { padding: 48px 0; }
  .nav-links, .nav-cta { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    gap: 4px;
    box-shadow: var(--shadow-hover);
  }
  .nav-links.open + .nav-cta { display: flex; padding: 12px 24px 16px; }
  .nav-toggle { display: flex; }
  .hero-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .articles-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: 1fr; }
}

/* ============================================
   PRINT
   ============================================ */
@media print {
  .site-header, .site-footer, .newsletter, .article-share { display: none; }
  .article-body { padding: 0; }
  body { font-size: 12pt; }
}