/* ============================================
   LATTREX INC. — Site Stylesheet
   Theme: Black, white, monospace. Sharp. Technical.
   ============================================ */

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

:root {
  --bg: #0a0a0a;
  --bg-card: #111111;
  --bg-hover: #1a1a1a;
  --fg: #e0e0e0;
  --fg-dim: #b0b0b0;
  --fg-bright: #ffffff;
  --accent: #cccccc;
  --border: #333333;
  --border-bright: #555555;
  --font-mono: 'DejaVu Sans Mono', 'Fira Code', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
  --max-width: 960px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--fg-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: border-color 0.2s;
}

a:hover {
  border-bottom-color: var(--fg-bright);
}

h1, h2, h3 {
  color: var(--fg-bright);
  font-weight: 400;
}

h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 3rem;
  color: var(--fg-dim);
}

h3 {
  font-size: 14px;
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: 1rem;
}

em {
  font-style: italic;
  color: var(--fg-bright);
}

/* --- Navigation --- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: none;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--fg-bright);
}

.nav-logo img {
  display: block;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 12px;
  color: var(--fg-dim);
  border-bottom: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--fg-bright);
}

/* --- Hero --- */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.hero-inner {
  max-width: 600px;
}

.hero-logo {
  width: 120px;
  height: 120px;
  margin-bottom: 2rem;
}

h1 {
  font-size: 32px;
  letter-spacing: 0.4em;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.tagline {
  font-size: 14px;
  color: var(--fg);
  margin-bottom: 0.25rem;
}

.tagline-sub {
  font-size: 13px;
  color: var(--fg-dim);
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--fg-bright);
  color: var(--bg);
  background: var(--fg-bright);
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 1px solid var(--fg-bright);
}

.btn:hover {
  background: transparent;
  color: var(--fg-bright);
}

.btn-outline {
  background: transparent;
  color: var(--fg-bright);
}

.btn-outline:hover {
  background: var(--fg-bright);
  color: var(--bg);
}

/* --- Sections --- */
section {
  padding: 6rem 2rem;
  border-top: 1px solid var(--border);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* --- Technology --- */
.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  margin-bottom: 4rem;
}

.tech-card {
  background: var(--bg);
  padding: 2rem;
}

.tech-icon {
  font-size: 24px;
  margin-bottom: 1rem;
  color: var(--fg-dim);
}

.tech-card h3 {
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.tech-card p {
  color: var(--fg-dim);
  font-size: 13px;
}

/* --- Comparison Table --- */
.comparison {
  margin-top: 2rem;
}

.comparison h3 {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  color: var(--fg-dim);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-bright);
  color: var(--fg-dim);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 11px;
}

tbody td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--fg-dim);
}

tbody tr:hover {
  background: var(--bg-card);
}

th.highlight,
td.highlight {
  color: var(--fg-bright);
}

/* --- Symbol --- */
.symbol-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 4rem;
  align-items: start;
}

.symbol-logo {
  position: sticky;
  top: 6rem;
}

.symbol-svg {
  width: 160px;
  height: 160px;
  display: block;
}

.symbol-text p {
  color: var(--fg-dim);
  font-size: 13px;
}

.symbol-text em {
  color: var(--fg);
}

.mono {
  color: var(--fg-bright);
  font-weight: bold;
}

.symbol-divider {
  width: 40px;
  height: 1px;
  background: var(--border-bright);
  margin: 2rem 0;
}

.symbol-closing {
  color: var(--fg);
  font-style: italic;
}

/* --- Applications --- */
.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.app-item {
  background: var(--bg);
  padding: 2rem;
}

.app-item h3 {
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.app-item p {
  color: var(--fg-dim);
  font-size: 13px;
}

/* --- About --- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.about-text p {
  color: var(--fg-dim);
  font-size: 13px;
}

.about-team h3 {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  margin-bottom: 1.5rem;
}

.team-member {
  border-left: 1px solid var(--border-bright);
  padding-left: 1.5rem;
}

.member-name {
  color: var(--fg-bright);
  font-size: 14px;
  margin-bottom: 0.25rem;
}

.member-title {
  color: var(--fg-dim);
  font-size: 12px;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.team-member p {
  color: var(--fg-dim);
  font-size: 13px;
}

.social-link {
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.social-link:hover {
  color: var(--fg-bright);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
}

.contact-item {
  background: var(--bg);
  padding: 2rem;
}

.contact-item h3 {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  color: var(--fg-dim);
}

.contact-item a {
  color: var(--fg-bright);
  font-size: 13px;
}

.contact-item p {
  color: var(--fg-dim);
  font-size: 13px;
}

.contact-item .btn {
  margin-top: 0.5rem;
  color: var(--bg);
}

.contact-item .btn:hover {
  color: var(--fg-bright);
}

/* --- Footer --- */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--fg-dim);
}

.footer-logo img {
  display: block;
  opacity: 0.5;
}

.footer-copy {
  font-size: 11px;
  color: var(--fg-dim);
}

/* --- Blog Index --- */
#blog-index {
  padding-top: 8rem;
}

.blog-subtitle {
  color: var(--fg-dim);
  font-size: 13px;
  margin-top: -2rem;
  margin-bottom: 3rem;
}

.blog-list {
  display: flex;
  flex-direction: column;
}

a.blog-entry {
  display: flex;
  align-items: baseline;
  gap: 2rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  border-top: none;
  border-left: none;
  border-right: none;
  transition: background 0.15s;
  margin: 0 -1rem;
  padding-left: 1rem;
  padding-right: 1rem;
}

a.blog-entry:first-child {
  border-top: 1px solid var(--border);
}

a.blog-entry:hover {
  background: var(--bg-card);
}

.blog-date {
  font-size: 12px;
  color: var(--fg-dim);
  white-space: nowrap;
  min-width: 90px;
}

.blog-entry-content {
  flex: 1;
}

.blog-entry-content h3 {
  font-size: 14px;
  margin-bottom: 0.25rem;
  letter-spacing: 0.02em;
}

.blog-entry-content p {
  color: var(--fg-dim);
  font-size: 12px;
  margin-bottom: 0;
}

.blog-arrow {
  color: var(--fg-dim);
  font-size: 14px;
}

.blog-empty {
  padding: 3rem 0;
  color: var(--fg-dim);
  font-size: 13px;
}

.blog-empty a {
  color: var(--fg-bright);
}

.nav-active {
  color: var(--fg-bright) !important;
}

/* --- Blog Post --- */
#post {
  padding-top: 8rem;
  padding-bottom: 4rem;
}

.post-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 2rem;
}

.post-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

.post-back {
  font-size: 12px;
  color: var(--fg-dim);
  border-bottom: none;
  letter-spacing: 0.05em;
}

.post-back:hover {
  color: var(--fg-bright);
}

.post-meta time {
  font-size: 12px;
  color: var(--fg-dim);
}

.post-title {
  font-size: 24px;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.post-subtitle {
  font-size: 13px;
  color: var(--fg-dim);
  margin-bottom: 3rem;
}

.post-body {
  margin-bottom: 3rem;
}

.post-body p {
  color: var(--fg-dim);
  font-size: 13px;
  margin-bottom: 1.5rem;
}

.post-body h2 {
  font-size: 14px;
  color: var(--fg-bright);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 3rem;
  margin-bottom: 1.5rem;
}

.post-body img {
  max-width: 100%;
  display: block;
  margin: 2rem 0;
  border: 1px solid var(--border);
}

.post-body code {
  background: var(--bg-card);
  padding: 0.15rem 0.4rem;
  font-size: 12px;
  border: 1px solid var(--border);
}

.post-body pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.25rem;
  overflow-x: auto;
  margin: 2rem 0;
}

.post-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 12px;
  line-height: 1.6;
}

.post-body blockquote {
  border-left: 2px solid var(--border-bright);
  padding-left: 1.5rem;
  margin: 2rem 0;
  color: var(--fg-dim);
  font-style: italic;
}

.post-body ul, .post-body ol {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
  color: var(--fg-dim);
  font-size: 13px;
}

.post-body li {
  margin-bottom: 0.5rem;
}

.post-footer {
  color: var(--fg-dim);
  font-size: 12px;
}

.post-footer p {
  margin-bottom: 0.5rem;
}

.post-divider {
  width: 40px;
  height: 1px;
  background: var(--border-bright);
  margin-bottom: 2rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-inner {
    padding: 0.5rem 1rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .nav-links a {
    font-size: 11px;
  }

  h1 {
    font-size: 24px;
    letter-spacing: 0.3em;
  }

  .hero-logo {
    width: 80px;
    height: 80px;
  }

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

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

  .symbol-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .symbol-logo {
    position: static;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  section {
    padding: 4rem 1.5rem;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 13px;
  }

  h1 {
    font-size: 20px;
  }

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

  .nav-logo span {
    display: none;
  }

  .nav-links {
    gap: 0.75rem;
  }

  .nav-links a {
    font-size: 10px;
    letter-spacing: 0.05em;
  }
}