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

:root {
  --bg: #0b0c10;
  --bg-elevated: #101317;
  --bg-card: #14181e;
  --text: #eef1f5;
  --text-dim: #a6b0be;
  --text-muted: #6d7684;
  --accent: #6ef3b2;
  --accent-ember: #ffb454;
  --accent-sky: #7aa7ff;
  --border: rgba(255, 255, 255, 0.08);
  --glow: rgba(110, 243, 178, 0.16);
  --font-sans: 'Sora', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(1200px 600px at 15% -10%, rgba(110, 243, 178, 0.16), transparent 60%),
    radial-gradient(900px 500px at 85% 0%, rgba(255, 180, 84, 0.14), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 17px;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  position: relative;
  isolation: isolate;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.2;
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

* {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--text);
}

/* Cursor glow */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.3s;
}

@media (max-width: 768px) {
  .cursor-glow { display: none; }
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: all 0.3s;
}

.nav-scrolled {
  background: rgba(11, 12, 16, 0.92);
  backdrop-filter: blur(20px);
  padding: 12px 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

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

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 32px 80px;
  text-align: center;
  background: radial-gradient(ellipse at center top, rgba(110, 243, 178, 0.08) 0%, transparent 60%);
}

.hero-inner {
  max-width: 800px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(40px, 8vw, 72px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.hero-sub {
  font-size: 20px;
  color: var(--text-dim);
  margin-bottom: 40px;
}

.btn-primary {
  display: inline-block;
  padding: 16px 32px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  font-size: 14px;
  border-radius: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  color: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(110, 243, 178, 0.3);
}

/* Section headers */
.section-header {
  margin-bottom: 48px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(32px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-sub {
  font-size: 18px;
  color: var(--text-dim);
  margin-top: 12px;
}

/* Apps Section */
.section-apps {
  padding: 120px 32px;
  background: var(--bg-elevated);
}

.apps-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.app-section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  margin-top: 48px;
}

.app-section-title:first-of-type {
  margin-top: 0;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s, transform 0.6s, border-color 0.3s;
}

.app-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.app-card:hover {
  border-color: rgba(110, 243, 178, 0.6);
}

.app-featured {
  grid-column: span 1;
  background: linear-gradient(135deg, rgba(110, 243, 178, 0.08) 0%, var(--bg-card) 100%);
  border-color: rgba(110, 243, 178, 0.25);
}

@media (min-width: 900px) {
  .app-featured {
    grid-column: span 2;
  }
  
  .app-featured .app-desc {
    max-width: 80%;
  }
}

.app-category {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-sky);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.app-card h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}

.app-desc {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: 20px;
}

.app-tech {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.app-tech li {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

.app-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  align-self: flex-start;
}

.app-link-soon {
  color: var(--text-muted);
}

/* Constellation */
.section-constellation {
  padding: 120px 32px;
}

.constellation-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.constellation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.constellation-card {
  position: relative;
  padding: 28px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(20, 24, 30, 0.9) 0%, rgba(14, 17, 22, 0.9) 100%);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.constellation-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(110, 243, 178, 0.15), transparent 55%),
    radial-gradient(circle at bottom left, rgba(255, 180, 84, 0.12), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.constellation-card:hover {
  transform: translateY(-6px);
  border-color: rgba(110, 243, 178, 0.6);
  box-shadow: 0 20px 60px rgba(8, 10, 14, 0.5);
}

.constellation-card:hover::before {
  opacity: 1;
}

.constellation-card > * {
  position: relative;
  z-index: 1;
}

.constellation-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-ember);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}

.constellation-card h3 {
  font-size: 22px;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.constellation-card p {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 18px;
}

.constellation-link {
  font-weight: 600;
  font-size: 13px;
  color: var(--accent);
}

/* EPP Section */
.section-epp {
  padding: 120px 32px;
  background: linear-gradient(135deg, #0e1116 0%, var(--bg) 100%);
  border-top: 1px solid rgba(110, 243, 178, 0.18);
  border-bottom: 1px solid rgba(110, 243, 178, 0.18);
}

.epp-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.epp-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-ember);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 6px 12px;
  background: rgba(255, 180, 84, 0.12);
  border: 1px solid rgba(255, 180, 84, 0.4);
  border-radius: 4px;
  margin-bottom: 24px;
}

.section-epp h2 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, var(--accent-sky) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.epp-tagline {
  font-family: var(--font-sans);
  font-size: clamp(18px, 3vw, 24px);
  font-style: italic;
  color: var(--text-dim);
  margin-bottom: 48px;
}

.epp-problem {
  margin-bottom: 48px;
}

.epp-diagram {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.diagram-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.diagram-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.diagram-flow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 6px;
}

.diagram-old {
  background: rgba(239, 68, 68, 0.1);
  color: var(--text-dim);
}

.diagram-new {
  background: rgba(110, 243, 178, 0.12);
}

.flow-arrow {
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.flow-highlight {
  color: var(--accent);
  font-weight: 600;
}

.diagram-verdict {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  font-style: italic;
}

.diagram-verdict-good {
  color: var(--accent);
}

.epp-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.epp-feature {
  text-align: center;
  padding: 24px;
}

.epp-feature-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.epp-feature h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.epp-feature p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
}

.epp-code {
  background: rgba(12, 15, 19, 0.85);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 32px;
  overflow-x: auto;
  max-width: 100%;
}

.epp-code pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
}

.epp-code code {
  color: var(--text-dim);
}

.code-comment {
  color: #6b7280;
}

.code-string {
  color: #a5d6ff;
}

.epp-cta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.epp-button {
  display: inline-block;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--accent-sky) 0%, var(--accent) 100%);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  border-radius: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.epp-button:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(122, 167, 255, 0.35);
}

.epp-status {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* Lab Section */
.section-lab {
  padding: 120px 32px;
  background: var(--bg);
}

.lab-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.lab-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.3s, transform 0.3s;
  opacity: 0;
  transform: translateY(20px);
}

.lab-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.lab-item:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.lab-title {
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
}

.lab-desc {
  font-size: 13px;
  color: var(--text-muted);
}

/* About Section */
.section-about {
  padding: 120px 32px;
  background: var(--bg-elevated);
}

.about-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 64px;
  align-items: start;
}

.about-content h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.about-lead {
  font-size: 18px;
  color: var(--text-dim);
  margin-bottom: 32px;
  line-height: 1.7;
}

.about-facts {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.fact-value {
  font-size: 16px;
  color: var(--text);
}

.about-connect {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.about-connect a {
  font-size: 14px;
}

/* Consulting card */
.consulting-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.consulting-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.consulting-card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 16px;
}

.consulting-link {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* Footer */
.footer {
  padding: 32px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer p {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .about-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .app-featured {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 16px;
  }
  
  .nav-inner {
    padding: 0 20px;
  }
  
  .nav-links {
    gap: 20px;
  }
  
  .nav-links a {
    font-size: 12px;
    letter-spacing: 0.05em;
  }
  
  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }
  
  .hero h1 {
    font-size: 36px;
  }
  
  .hero-sub {
    font-size: 16px;
  }
  
  .hero-eyebrow {
    font-size: 10px;
  }
  
  .section-apps,
  .section-epp,
  .section-lab,
  .section-about {
    padding: 60px 20px;
  }
  
  .section-header h2 {
    font-size: 28px;
  }
  
  .section-epp h2 {
    font-size: 28px;
  }
  
  .app-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .app-card {
    padding: 24px;
  }
  
  .app-card h3 {
    font-size: 20px;
  }
  
  .app-desc {
    font-size: 14px;
  }
  
  .epp-diagram {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 20px;
  }
  
  .diagram-flow {
    font-size: 13px;
    padding: 6px 10px;
  }
  
  .epp-features {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .epp-feature {
    text-align: left;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 12px 0;
  }
  
  .epp-feature-icon {
    font-size: 24px;
    margin-bottom: 0;
    flex-shrink: 0;
  }
  
  .epp-feature h4 {
    font-size: 15px;
  }
  
  .epp-feature p {
    font-size: 13px;
  }
  
  .epp-code {
    padding: 16px;
  }
  
  .epp-code pre {
    font-size: 11px;
  }
  
  .epp-cta {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .epp-tagline {
    font-size: 18px;
  }
  
  .lab-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .lab-item {
    padding: 20px;
  }
  
  .lab-title {
    font-size: 15px;
  }
  
  .lab-desc {
    font-size: 12px;
  }
  
  .about-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .about-content h2 {
    font-size: 28px;
  }
  
  .about-lead {
    font-size: 16px;
  }
  
  .about-connect {
    gap: 16px;
  }
  
  .consulting-card {
    padding: 20px;
  }
  
  .consulting-card h4 {
    font-size: 16px;
  }
  
  .btn-primary {
    padding: 14px 24px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .nav-links {
    gap: 12px;
  }
  
  .nav-links a {
    font-size: 11px;
  }
  
  .hero {
    padding: 90px 16px 50px;
  }
  
  .hero h1 {
    font-size: 28px;
  }
  
  .hero h1 br {
    display: none;
  }
  
  .section-apps,
  .section-epp,
  .section-lab,
  .section-about {
    padding: 50px 16px;
  }
  
  .section-header h2,
  .section-epp h2,
  .about-content h2 {
    font-size: 24px;
  }
  
  .app-tech {
    gap: 6px;
  }
  
  .app-tech li {
    font-size: 10px;
    padding: 3px 8px;
  }
}