/* ═══════════════════════════════════════════
   messaging.sh
   Editorial serif, minimal
   ═══════════════════════════════════════════ */

:root {
  --bg: #fafaf8;
  --bg-card: #ffffff;
  --bg-terminal: #151520;
  --text: #1a1a2e;
  --text-dim: #7a7a96;
  --accent: #ff2d55;
  --teal: #00c896;
  --teal-soft: rgba(0, 200, 150, 0.08);
  --border: rgba(0, 0, 0, 0.06);
  --shadow: 0 2px 20px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.06);
  --radius: 24px;
  --radius-sm: 14px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Instrument Serif', Georgia, serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Agent Banner ── */
.agent-banner {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  padding-top: 16px;
}

.agent-banner-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: var(--bg-card);
  transition: all 0.2s;
}

.agent-banner-link:hover {
  color: var(--text);
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow: var(--shadow);
}

.agent-banner-link svg {
  opacity: 0.5;
}

/* ── Hero ── */
.hero {
  position: relative;
  z-index: 1;
  padding: 100px 0 80px;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  background: var(--bg-card);
  margin-bottom: 36px;
  box-shadow: var(--shadow);
}

.sally {
  color: #ec4899;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s;
}

.sally:hover {
  opacity: 0.7;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text);
}

.hero h1 em {
  font-style: italic;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 440px;
  margin: 0 auto 44px;
  line-height: 1.75;
}

.hero-install {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 14px 20px 14px 28px;
  box-shadow: var(--shadow);
}

.hero-install code {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

/* ── Showcase: Code + Animation side by side ── */
.showcase {
  position: relative;
  z-index: 1;
  padding: 20px 0 100px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}

/* Terminal */
.terminal {
  background: var(--bg-terminal);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-dots {
  display: flex;
  gap: 7px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-title {
  font-family: var(--mono);
  font-size: 12px;
  color: #555;
}

.terminal-body {
  padding: 24px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  overflow-x: auto;
  color: #e8e8f0;
  flex: 1;
}

.terminal-body .kw { color: #c792ea; }
.terminal-body .fn { color: #82aaff; }
.terminal-body .str { color: #c3e88d; }
.terminal-body .var { color: #f0f0f0; }
.terminal-body .cmt { color: #546e7a; }

/* Animation panel */
.msg-animation {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 24px;
}

.anim-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.agent {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
}

.agent-avatar {
  width: 64px;
  height: 64px;
  object-fit: contain;
  image-rendering: pixelated;
  border-radius: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 8px;
}

.agent-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

/* Chat bubbles */
.chat-bubble {
  position: absolute;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: var(--shadow);
  opacity: 0;
}

.bubble-a {
  left: calc(100% + 14px);
  top: 8px;
  animation: bubbleA 6s ease-in-out infinite;
}

.bubble-b {
  right: calc(100% + 14px);
  top: 8px;
  animation: bubbleB 6s ease-in-out infinite;
}

@keyframes bubbleA {
  0%, 5% { opacity: 0; transform: translateX(-6px); }
  8%, 18% { opacity: 1; transform: translateX(0); }
  22%, 100% { opacity: 0; transform: translateX(4px); }
}

@keyframes bubbleB {
  0%, 72% { opacity: 0; transform: translateX(6px); }
  78%, 90% { opacity: 1; transform: translateX(0); }
  95%, 100% { opacity: 0; transform: translateX(-4px); }
}

/* Vertical path */
.msg-path {
  position: relative;
  width: 120px;
  height: 140px;
}

.path-svg {
  width: 100%;
  height: 100%;
}

.path-line {
  stroke: rgba(0, 0, 0, 0.08);
  stroke-dasharray: 6 4;
}

/* Packets — vertical */
.packet {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
}

.packet-encrypt {
  top: 8%;
  color: var(--accent);
  animation: encryptAnim 6s ease-in-out infinite;
}

.packet-decrypt {
  top: 92%;
  color: var(--teal);
  animation: decryptAnim 6s ease-in-out infinite;
}

/* Travel dot is now SVG-native <animateMotion> — no CSS offset-path needed */

@keyframes encryptAnim {
  0%, 15% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
  20%, 28% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  33% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
  34%, 100% { opacity: 0; }
}

/* travelAnim removed — using SVG <animateMotion> instead */

@keyframes decryptAnim {
  0%, 62% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
  66%, 74% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  80% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
  81%, 100% { opacity: 0; }
}

/* ── Features — editorial ── */
.features {
  position: relative;
  z-index: 1;
  padding: 0 0 80px;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.feature-text {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 40px;
  transition: all 0.25s ease;
  box-shadow: var(--shadow);
}

.feature-text:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.feature-cat {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin-bottom: 16px;
  image-rendering: pixelated;
  border-radius: 14px;
}

.feature-text h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 14px;
  color: var(--text);
}

.feature-text h2 em {
  font-style: italic;
}

.feature-text p {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ── Program ID ── */
.divider-section {
  position: relative;
  z-index: 1;
  padding: 0 0 80px;
}

.program-id {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.program-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.program-id code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  background: var(--bg-card);
  padding: 10px 24px;
  border-radius: 100px;
  border: 1px solid var(--border);
}

/* ── Install ── */
.install {
  position: relative;
  z-index: 1;
  padding: 0 0 120px;
}

.install-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 16px 32px;
  max-width: 480px;
  margin: 0 auto;
  box-shadow: var(--shadow);
}

.install-box code {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

.copy-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-family: var(--font);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.copy-btn:hover {
  background: var(--text);
  color: #fff;
}

/* ── Footer ── */
footer {
  position: relative;
  z-index: 1;
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text);
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero {
    padding: 100px 0 60px;
  }

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

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

  .feature-row {
    grid-template-columns: 1fr;
  }

  .feature-text {
    padding: 32px 28px;
  }

  .install-box {
    flex-direction: column;
    border-radius: var(--radius);
    gap: 12px;
    padding: 20px;
  }

  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .terminal-body {
    font-size: 11px;
    padding: 16px;
    word-break: break-word;
    overflow-wrap: break-word;
    white-space: pre-wrap;
  }
}