/* ============================================================
   Gray Man Comms — Brand Stylesheet
   Dark, desaturated, olive/charcoal palette
   ============================================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&family=Oswald:wght@400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Backgrounds */
  --bg-matte-black: #101214;
  --bg-charcoal: #1B1E22;
  --bg-graphite: #2C3035;

  /* Primary Accents */
  --accent-olive: #70734A;
  --accent-sage: #8B8E63;
  --accent-khaki: #C8C3AF;

  /* Secondary Accent (sparingly) */
  --accent-signal: #C96A2B;

  /* Text */
  --text-primary: #E7E5DF;
  --text-secondary: #C8C3AF;
  --text-muted: #8B8E63;

  /* Verdict colors */
  --verdict-green: #22c55e;
  --verdict-red: #ef4444;
  --verdict-yellow: #eab308;

  /* Typography */
  --font-display: 'Bebas Neue', 'Oswald', sans-serif;
  --font-display-alt: 'Oswald', sans-serif;
  --font-body: 'Inter', 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.6);
  --shadow-inset: inset 0 1px 0 rgba(200,195,175,0.08);

  /* Transitions */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 600ms;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-matte-black);
  min-height: 100vh;
}

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

a {
  color: var(--accent-olive);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

a:hover {
  color: var(--accent-sage);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.1;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

.text-mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--accent-sage);
}

.text-khaki {
  color: var(--text-secondary);
}

.text-olive {
  color: var(--accent-olive);
}

.text-signal {
  color: var(--accent-signal);
}

.section-label {
  font-family: var(--font-display-alt);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-sage);
  margin-bottom: var(--space-sm);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* --- Header / Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(16, 18, 20, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(112, 115, 74, 0.2);
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.logo-text .olive {
  color: var(--accent-olive);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-display-alt);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-standard);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-olive);
  transition: width var(--duration-normal) var(--ease-standard);
}

.nav-links a:hover {
  color: var(--text-primary);
}

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

.nav-links a.active {
  color: var(--text-primary);
}

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

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4) saturate(0.6);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(16, 18, 20, 0.85) 0%,
    rgba(16, 18, 20, 0.4) 50%,
    rgba(16, 18, 20, 0.85) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 var(--space-lg);
}

.hero-tagline {
  font-family: var(--font-display-alt);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-sage);
  margin-bottom: var(--space-lg);
}

.hero h1 {
  margin-bottom: var(--space-lg);
  line-height: 1.05;
}

.hero h1 .highlight {
  color: var(--accent-olive);
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display-alt);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--accent-olive);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-olive);
  color: var(--bg-matte-black);
  font-weight: 600;
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent-olive);
  border-color: var(--accent-olive);
}

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

.btn-secondary:hover {
  background: var(--accent-olive);
  color: var(--bg-matte-black);
  border-color: var(--accent-olive);
}

.btn-signal {
  background: var(--accent-signal);
  color: var(--bg-matte-black);
  border-color: var(--accent-signal);
  font-weight: 600;
}

.btn-signal:hover {
  background: transparent;
  color: var(--accent-signal);
  border-color: var(--accent-signal);
}

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

/* --- Section Base --- */
.section {
  padding: var(--space-4xl) 0;
}

.section-dark {
  background: var(--bg-matte-black);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(112, 115, 74, 0.2);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  filter: brightness(0.7) saturate(0.7);
}

.about-content h2 {
  margin-bottom: var(--space-lg);
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent-olive);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-family: var(--font-display-alt);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* --- Topics Grid --- */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.topic-card {
  background: var(--bg-charcoal);
  border: 1px solid rgba(112, 115, 74, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--duration-normal) var(--ease-standard);
  box-shadow: var(--shadow-sm), var(--shadow-inset);
}

.topic-card:hover {
  border-color: rgba(112, 115, 74, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-inset);
}

.topic-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(112, 115, 74, 0.1);
  border: 1px solid rgba(112, 115, 74, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.3rem;
}

.topic-card h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.topic-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* --- Blog Preview Section --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.blog-card {
  background: var(--bg-charcoal);
  border: 1px solid rgba(112, 115, 74, 0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-standard);
  box-shadow: var(--shadow-sm), var(--shadow-inset);
}

.blog-card:hover {
  border-color: rgba(112, 115, 74, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-inset);
}

.blog-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  filter: brightness(0.7) saturate(0.7);
}

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

.blog-card-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.blog-card h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.blog-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

.blog-card .read-more {
  font-family: var(--font-display-alt);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-olive);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.blog-card .read-more:hover {
  color: var(--accent-signal);
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  background: var(--bg-charcoal);
  border-top: 1px solid rgba(112, 115, 74, 0.1);
  border-bottom: 1px solid rgba(112, 115, 74, 0.1);
}

.cta-section h2 {
  margin-bottom: var(--space-md);
}

.cta-section p {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto var(--space-xl);
}

/* --- Footer --- */
.site-footer {
  background: var(--bg-matte-black);
  border-top: 1px solid rgba(112, 115, 74, 0.1);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: var(--space-md);
  max-width: 300px;
}

.footer-brand .logo img {
  height: 36px;
}

.footer-col h4 {
  font-family: var(--font-display-alt);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--space-sm);
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--accent-sage);
}

.footer-bottom {
  border-top: 1px solid rgba(112, 115, 74, 0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 0;
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: color var(--duration-fast) var(--ease-standard);
}

.footer-social a:hover {
  color: var(--accent-olive);
}

/* --- Page Header (inner pages) --- */
.page-header {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-2xl);
  text-align: center;
  background: var(--bg-charcoal);
  border-bottom: 1px solid rgba(112, 115, 74, 0.1);
}

.page-header h1 {
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Blog Post Page --- */
.blog-post {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}

.blog-post-header {
  margin-bottom: var(--space-2xl);
}

.blog-post-header .blog-card-meta {
  margin-bottom: var(--space-md);
}

.blog-post-header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
}

.blog-post-header .post-excerpt {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
}

.blog-post-featured-image {
  width: 100%;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2xl);
  border: 1px solid rgba(112, 115, 74, 0.15);
}

.blog-post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.blog-post-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  font-size: 1.6rem;
}

.blog-post-content h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  font-size: 1.3rem;
}

.blog-post-content p {
  margin-bottom: 1.2rem;
  color: var(--text-secondary);
}

.blog-post-content ul, .blog-post-content ol {
  margin-bottom: 1.2rem;
  padding-left: var(--space-xl);
  color: var(--text-secondary);
}

.blog-post-content li {
  margin-bottom: var(--space-sm);
}

.blog-post-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(112, 115, 74, 0.1);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--accent-sage);
}

.blog-post-content pre {
  background: var(--bg-charcoal);
  border: 1px solid rgba(112, 115, 74, 0.15);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  margin-bottom: 1.2rem;
}

.blog-post-content pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.6;
}

.blog-post-content blockquote {
  border-left: 3px solid var(--accent-olive);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
  color: var(--text-secondary);
  font-style: italic;
}

.blog-post-content strong {
  color: var(--text-primary);
}

.blog-post-content a {
  color: var(--accent-olive);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-post-content a:hover {
  color: var(--accent-signal);
}

/* --- Blog Index --- */
.blog-index {
  padding: var(--space-3xl) 0;
}

.blog-index .blog-grid {
  margin-top: var(--space-2xl);
}

/* --- About Page --- */
.about-page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}

.about-page-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.about-page-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.about-page-content .about-featured-image {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
  border: 1px solid rgba(112, 115, 74, 0.15);
}

/* --- Topographic Texture Overlay --- */
.texture-overlay {
  position: relative;
}

.texture-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-radial-gradient(
    circle at 30% 20%,
    transparent 0,
    transparent 26px,
    rgba(139, 142, 99, 0.04) 27px
  ),
  repeating-radial-gradient(
    circle at 80% 80%,
    transparent 0,
    transparent 34px,
    rgba(139, 142, 99, 0.03) 35px
  );
  pointer-events: none;
  z-index: 1;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about-image img {
    height: 300px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(16, 18, 20, 0.98);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-lg);
    border-bottom: 1px solid rgba(112, 115, 74, 0.2);
  }

  .nav-links.open {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .topics-grid {
    grid-template-columns: 1fr;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .btn-group {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .logo-text {
    font-size: 1.1rem;
  }
}