/* ==========================================================================
   Design Tokens & Variables
   ========================================================================== */
:root {
  --bg-primary: #06070a;
  --bg-secondary: #0c0e14;
  --bg-card: rgba(16, 20, 31, 0.7);
  --bg-card-hover: rgba(22, 28, 44, 0.85);
  
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-highlight: rgba(0, 245, 212, 0.3);
  
  --text-primary: #f0f3f8;
  --text-secondary: #94a1b2;
  --text-muted: #5e697a;

  /* Signature Initial Accents (J-T-B-C) */
  --accent-j: #00f5d4; /* Electric Cyan */
  --accent-t: #00bbf9; /* Ice Cerulean */
  --accent-b: #b5179e; /* Neon Magenta */
  --accent-c: #7209b7; /* Cyber Violet */

  --accent-cyan: #00f5d4;
  --accent-blue: #00bbf9;
  --accent-purple: #7209b7;
  
  --gradient-jtbc: linear-gradient(135deg, var(--accent-j) 0%, var(--accent-t) 33%, var(--accent-b) 66%, var(--accent-c) 100%);
  --glow-cyan: 0 0 30px rgba(0, 245, 212, 0.35);
  --glow-purple: 0 0 30px rgba(114, 9, 183, 0.35);

  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Mono', monospace;

  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #101424 0%, #06070a 60%);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: none;
  background: none;
  font-family: inherit;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   Atmospheric Backgrounds
   ========================================================================== */
.cursor-spotlight {
  position: fixed;
  top: 0;
  left: 0;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(0, 245, 212, 0.08) 0%, rgba(114, 9, 183, 0.04) 40%, transparent 70%);
  transform: translate(-50%, -50%);
  z-index: 1;
  transition: opacity 0.3s ease;
  will-change: transform;
}

.bg-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.bg-grid-lines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-size: 60px 60px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  mask-image: radial-gradient(circle at 50% 30%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, black 20%, transparent 80%);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  z-index: 10;
  padding: 7rem 0 6rem;
  text-align: center;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.32rem 1.1rem 0.32rem 0.35rem;
  background: rgba(12, 16, 26, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  margin-bottom: 2.2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: var(--transition-smooth);
}

.hero-pill:hover {
  border-color: rgba(0, 245, 212, 0.3);
  box-shadow: 0 6px 24px rgba(0, 245, 212, 0.12);
  transform: translateY(-1px);
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.75rem;
  background: rgba(0, 245, 212, 0.1);
  border: 1px solid rgba(0, 245, 212, 0.28);
  border-radius: 9999px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #ffffff;
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-j);
  box-shadow: 0 0 8px var(--accent-j);
  animation: pulse-dot 1.8s infinite;
}

.pill-text {
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

/* Big Title & J-T-B-C Signature Highlight */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 6.8rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
  color: var(--text-primary);
  text-transform: none;
  user-select: none;
}

.title-line {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(0.8rem, 2.5vw, 1.8rem);
}

.word {
  position: relative;
  display: inline-block;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.word:hover {
  transform: translateY(-4px);
}

/* The 4 Signature Characters (J, T, B, C) */
.highlight-char {
  position: relative;
  display: inline-block;
  font-weight: 900;
  font-style: italic;
  padding: 0 0.05em;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: filter 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.highlight-char::after {
  content: attr(data-char);
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: blur(14px);
  opacity: 0.8;
}

.char-j {
  background-image: linear-gradient(135deg, #00f5d4, #00bbf9);
}
.char-j::after {
  background-image: linear-gradient(135deg, #00f5d4, #00bbf9);
}

.char-t {
  background-image: linear-gradient(135deg, #00bbf9, #48cae4);
}
.char-t::after {
  background-image: linear-gradient(135deg, #00bbf9, #48cae4);
}

.char-b {
  background-image: linear-gradient(135deg, #f72585, #b5179e);
}
.char-b::after {
  background-image: linear-gradient(135deg, #f72585, #b5179e);
}

.char-c {
  background-image: linear-gradient(135deg, #7209b7, #3a0ca3);
}
.char-c::after {
  background-image: linear-gradient(135deg, #7209b7, #3a0ca3);
}

.highlight-char:hover {
  filter: brightness(1.3) drop-shadow(0 0 16px rgba(0, 245, 212, 0.6));
  transform: scale(1.08) rotate(-3deg);
}

/* Hero Description */
.hero-description {
  max-width: 640px;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.8rem;
}

.hero-description strong {
  color: var(--text-primary);
  font-weight: 600;
}

.br-desktop {
  display: block;
}

/* Hero Action Bar */
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 2.2rem;
  border-radius: 9999px;
  background: #ffffff;
  color: #06070a;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15);
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 245, 212, 0.35);
  background: #00f5d4;
  color: #06070a;
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-icon {
  font-size: 1.1rem;
  transition: transform 0.2s ease;
}

.btn-primary:hover .btn-icon {
  transform: rotate(15deg) scale(1.2);
}

/* Monogram Cipher Widget (J / T / B / C Signature) */
.monogram-cipher {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.2rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.cipher-item {
  color: var(--text-muted);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.cipher-item:hover,
.cipher-item.active {
  color: var(--accent-j);
  text-shadow: 0 0 12px var(--accent-j);
}

.cipher-divider {
  color: rgba(255, 255, 255, 0.15);
  font-size: 0.75rem;
}

/* Interactive Toast Message */
.interactive-toast {
  margin-top: 1.8rem;
  min-height: 36px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-j);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.interactive-toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Manifesto Section
   ========================================================================== */
.manifesto-section {
  position: relative;
  z-index: 10;
  padding: 6rem 0;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.section-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  color: var(--accent-t);
  margin-bottom: 0.8rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.manifesto-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 3rem 2.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
  overflow: hidden;
}

.manifesto-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-glow-bg {
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.card-try:hover .card-glow-bg {
  opacity: 0.12;
  background: radial-gradient(circle, var(--accent-j) 0%, transparent 70%);
}

.card-cool:hover .card-glow-bg {
  opacity: 0.12;
  background: radial-gradient(circle, var(--accent-b) 0%, transparent 70%);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.card-number {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.15);
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

.card-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.initial-accent {
  display: inline-block;
  color: var(--accent-j);
  font-style: italic;
  font-weight: 900;
  text-shadow: 0 0 16px rgba(0, 245, 212, 0.4);
}

.card-cool .initial-accent {
  color: #f72585;
  text-shadow: 0 0 16px rgba(247, 37, 133, 0.4);
}

.card-body {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.card-footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.card-footer-tags span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Lab Teaser Section (Coming Soon)
   ========================================================================== */
.lab-section {
  position: relative;
  z-index: 10;
  padding: 4rem 0 7rem;
}

.lab-box {
  position: relative;
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  background: rgba(12, 14, 20, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: clamp(2rem, 5vw, 4rem);
  overflow: hidden;
}

.lab-box-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0, 187, 249, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.lab-inner {
  display: flex;
  align-items: center;
  gap: 3.5rem;
}

.lab-radar {
  position: relative;
  width: 140px;
  height: 140px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid rgba(0, 245, 212, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(0, 245, 212, 0.04) 0%, transparent 70%);
}

.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(0, 245, 212, 0.35) 0deg, transparent 90deg, transparent 360deg);
  animation: radar-spin 3.5s linear infinite;
}

.radar-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-j);
  box-shadow: 0 0 10px var(--accent-j);
  animation: pulse-dot 1.5s infinite;
}

.lab-status-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-j);
  margin-bottom: 0.8rem;
}

.lab-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.lab-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 680px;
}

.lab-specs {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.spec-val {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0;
  background: rgba(6, 7, 10, 0.95);
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-slogan {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.slogan-accent {
  color: var(--accent-j);
  font-style: italic;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.footer-link {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.footer-link:hover {
  color: var(--accent-j);
}

/* ==========================================================================
   Animations & Keyframes
   ========================================================================== */
@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.4);
    opacity: 0.6;
  }
}

@keyframes radar-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-fade-in {
  animation: fadeIn 0.8s ease-out both;
}

.animate-fade-up {
  animation: fadeUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.animate-fade-up-delay {
  animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 840px) {
  .hero-section {
    padding: 5rem 0 4rem;
  }
  
  .lab-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }

  .lab-radar {
    margin: 0 auto;
  }

  .br-desktop {
    display: none;
  }
}

@media (max-width: 540px) {
  .hero-pill {
    flex-direction: column;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    border-radius: 16px;
  }

  .pill-badge {
    padding: 0.2rem 0.6rem;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .title-line {
    gap: 0.6rem;
  }

  .manifesto-card {
    padding: 2rem 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary {
    width: 100%;
    justify-content: center;
  }

  .footer-container {
    flex-direction: column;
    align-items: flex-start;
  }
}