/* ============================
   AGENT LAB - STYLE.CSS
   Build. Experiment. Automate.
============================= */

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

:root {
  --green:       #00ff88;
  --green-dim:   #00cc6a;
  --green-glow:  rgba(0, 255, 136, 0.15);
  --blue:        #00aaff;
  --bg:          #050a0e;
  --bg-card:     #0a1520;
  --bg-glass:    rgba(10, 21, 32, 0.7);
  --border:      rgba(0, 255, 136, 0.12);
  --border-hover:rgba(0, 255, 136, 0.4);
  --text:        #e0f0f8;
  --text-dim:    #6a8a9a;
  --text-muted:  #3a5060;
  --font-mono:   'JetBrains Mono', 'Courier New', monospace;
  --font-sans:   'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius:      12px;
  --radius-sm:   8px;
  --transition:  0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 30px rgba(0, 255, 136, 0.1), 0 0 60px rgba(0, 255, 136, 0.05);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* --- Utils --- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.glow-text {
  text-shadow: 0 0 20px rgba(0, 255, 136, 0.5), 0 0 40px rgba(0, 255, 136, 0.2);
}

/* ============================
   HEADER
============================= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition), backdrop-filter var(--transition);
}

.header.scrolled {
  background: rgba(5, 10, 14, 0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color var(--transition);
}

.nav-link:hover { color: var(--green); }

.nav-link--x {
  color: var(--text);
  background: rgba(255,255,255,0.08);
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.1);
  font-weight: 600;
}

.nav-link--x:hover {
  background: var(--green);
  color: var(--bg);
  border-color: var(--green);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================
   HERO
============================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

/* グリッド背景 */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 136, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

/* グロー */
.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0, 255, 136, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

/* ターミナルバッジ */
.terminal-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--green);
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 16px;
  margin-bottom: 32px;
  letter-spacing: 0.05em;
}

.terminal-prompt {
  color: var(--green-dim);
}

.terminal-cursor {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  letter-spacing: 0.02em;
}

.btn--primary {
  background: var(--green);
  color: var(--bg);
}

.btn--primary:hover {
  background: #fff;
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.4);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}

.btn--outline:hover {
  background: rgba(0, 255, 136, 0.08);
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-1px);
}

.btn--large {
  padding: 16px 40px;
  font-size: 1.05rem;
}

.btn-icon {
  font-size: 1em;
}

/* スタッツ */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* スクロールヒント */
.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollDown 1.6s ease-in-out infinite;
}

@keyframes scrollDown {
  0%   { opacity: 1; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ============================
   SECTION COMMON
============================= */
section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 56px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--green);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-dim);
  margin-top: 12px;
}

/* ============================
   PILLARS
============================= */
.pillars {
  background: linear-gradient(180deg, var(--bg) 0%, rgba(0, 255, 136, 0.02) 50%, var(--bg) 100%);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.pillar-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

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

.pillar-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.pillar-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 12px;
}

.pillar-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 20px;
  line-height: 1.6;
}

.pillar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pillar-list li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.pillar-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 0.75rem;
}

/* ============================
   EXPERIMENTS
============================= */
.experiments {
  background: var(--bg);
}

.experiments-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  margin-bottom: 48px;
}

/* Featured card: takes 2 columns */
.exp-card--featured {
  grid-column: span 2;
}

.exp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.exp-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,255,136,0.03) 0%, transparent 60%);
  pointer-events: none;
}

.exp-card--featured {
  border-color: rgba(0, 255, 136, 0.25);
  box-shadow: 0 0 40px rgba(0, 255, 136, 0.06);
}

.exp-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.exp-card--coming { opacity: 0.7; }
.exp-card--coming:hover { opacity: 1; }

.exp-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.exp-number {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.05em;
}

.exp-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.exp-badge--live {
  background: rgba(0, 255, 136, 0.1);
  color: var(--green);
  border: 1px solid rgba(0, 255, 136, 0.3);
  animation: pulse-badge 2s ease-in-out infinite;
}

.exp-badge--soon {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0px rgba(0, 255, 136, 0.3); }
  50%       { box-shadow: 0 0 10px rgba(0, 255, 136, 0.5); }
}

.exp-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.exp-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* パイプライン表示 */
.exp-pipeline {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 16px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0,255,136,0.08);
}

.pipeline-step {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
  background: rgba(0,255,136,0.08);
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
}

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

.exp-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.exp-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.exp-link {
  font-size: 0.85rem;
  color: var(--green);
  text-decoration: none;
  font-weight: 500;
  transition: letter-spacing var(--transition);
}

.exp-link:hover { letter-spacing: 0.05em; }

/* 目標カード */
.goal-section {
  margin-top: 48px;
}

.goal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 40px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px 40px;
}

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

.goal-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.goal-title {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--green);
}

.goal-progress-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}

.goal-progress-bar {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}

.goal-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green-dim), var(--green));
  border-radius: 3px;
  box-shadow: 0 0 8px rgba(0,255,136,0.4);
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.goal-percent {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.goal-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  grid-column: 1 / -1;
  padding-top: 0;
  margin-top: -8px;
}

/* ============================
   AGENTS
============================= */
.agents {
  background: linear-gradient(180deg, var(--bg) 0%, rgba(0, 170, 255, 0.02) 50%, var(--bg) 100%);
}

.agents-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.agent-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  transition: all var(--transition);
}

.agent-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.agent-card.active {
  border-color: rgba(0, 255, 136, 0.3);
}

.agent-status {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.agent-card.active .agent-status {
  color: var(--green);
}

.agent-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.agent-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.agent-role {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ============================
   CTA
============================= */
.cta {
  padding: 120px 0;
  background: var(--bg);
  text-align: center;
}

.cta-inner {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0, 255, 136, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 16px;
}

.cta-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 40px;
}

/* ============================
   FOOTER
============================= */
.footer {
  background: rgba(0,0,0,0.4);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo-img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.footer-logo-text {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.footer-copy--small {
  font-size: 0.75rem;
  opacity: 0.6;
}

/* ============================
   RESPONSIVE
============================= */
@media (max-width: 960px) {
  .pillars-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .exp-card--featured {
    grid-column: span 1;
  }

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

  .goal-card {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px;
  }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg);
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 99;
  }
  .nav.open .nav-link { font-size: 1.4rem; }
  .hamburger { display: flex; z-index: 100; }
  .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .hero-title { font-size: 2.6rem; }
  .hero-cta { flex-direction: column; }
  .btn { justify-content: center; }
  .hero-stats { gap: 16px; }

  .agents-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  section { padding: 72px 0; }
}

/* ============================
   SCROLL ANIMATIONS
============================= */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.pixel-logo {
  margin: 0 auto 1.5rem;
  max-width: 400px;
}